Search Results — 2000 specimen records retrieved (1362 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC30656  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou Marble Mtn. Wilderness area, E side of English Lake 1784 Comment
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  UCSC001102  Abies magnifica var. shastensis Peter Kamb 1946-8-11 381 Siskiyou Horse camp - S.W. slope of Mt. Shasta 2499 Comment
  CAS-BOT-BC330622  Acer circinatum Volney Rattan 1879-6-1 sn. Siskiyou Unspecified Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC330990  Acer glabrum var. glabrum Elmer I. Applegate 1923-9-7 3969 Siskiyou Siskiyou Mountains, Klamath River Watershed. Comment
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  RSA790238  Acer glabrum var. torreyi Rebecca Wenk 2005-7-15 238 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  HSC27951  Acer macrophyllum Carl W. Mize 1972-9-23 114 Siskiyou 0.5 mi. from end of Steinacher Creek Rd. 884 Comment
  HSC22299  Achillea millefolium J. O. Sawyer 1969-7-23 1170 Siskiyou Near Horse Range Creek. 1341 Comment
  UC1190232  Achillea millefolium Ira L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCSB6310  Achillea millefolium Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lowers slopes of Mt. Shasta 1097 Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  CAS-BOT-BC210720  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. North Hungry Cr. 1310 Comment
  UC167216  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  JEPS84005  Achnatherum nelsonii subsp. dorei L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6359 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass; e slopes of Red Butte); Red Butte 1900 Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  JEPS72939  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-28 20054 a Siskiyou McCLoud 975 Comment
  UC618872  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA238984  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC36807  Achyrachaena mollis J. P. Smith 1974-5-27 7630 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCD33540  Acmispon nevadensis var. nevadensis Beecher Crampton 1969-6-19 8475 Siskiyou Siskiyou County, 2 miles south of Weed, Interstate Highway 5. 1310 Comment
  CAS-BOT-BC167238  Aconitum columbianum R. C. Wenk 2008-7-25 944 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callahan Rd. 1798 Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  HSC96416  Aconitum columbianum subsp. columbianum Gordon Leppig, J. Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  SBBG1696  Aconogonon davisiae H. and M. Dearing 1939-7-1 3776 Siskiyou Salmon-Etna divide Salmon Mtn 1828 Comment
  SBBG21829  Aconogonon davisiae D. Myrick 1964-7-25 953 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  HSC26111  Actaea rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5678 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC618887  Actaea rubra W. Bridge Cooke 1938-8-19 11530 Siskiyou Big Bear Springs meadow and Sisson Southern Trail Spring (6500 ft) Mt. Shasta Comment
  CAS-BOT-BC391708  Actaea rubra L. E. Smith 1914-9-1 757 Siskiyou Castle Lake Comment
  HSC147  Adenocaulon bicolor William J. Ferlatte 1966-8-3 264 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC77785  Adenocaulon bicolor L. P. Janeway 1983-9-11 677 Siskiyou Poker Flat 1524 Comment
  POM56894  Adenocaulon bicolor E. B. Copeland 1903-9-5 3925 Siskiyou Foot of Mt. Eddy 1189 Comment
  RSA239284  Adiantum aleuticum Frederick W. Oettinger 1966-6-23 28 Siskiyou Cecil Creek about 100 yards from where it crosses Black Gulch Road, Salmon River District, Klamath National Forest, Cecilville Comment
  UCD51462  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd., 1 mile east of Montague. Comment
  CDA37711  Aegilops cylindrica R. Breckenridge/K. Filippini 2007-6-13 s.n. Siskiyou Montague. 0 Comment
  HSC58926  Agastache urticifolia Marvin Butler 1971-8-19 200 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS74477  Agastache urticifolia W. J. Ferlatte 1966-8-3 258 Siskiyou Mountain Meadow Ranch; Trinity Alps 1524 Comment
  UC1408770  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou margins of Bear Meadow between English Peak and Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  HSC76710  Agastache urticifolia K. T. Stillman 1976-7-14 229 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC29455  Ageratina occidentalis Elmer I. Applegate 1935-8-4 10029 Siskiyou Lava Beds National Monument, near northwest entrance Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  HSC77090  Ageratina occidentalis K. T. Stillman 1976-8-7 362 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  RSA45346  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1220 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  JEPS24031  Agoseris aurantiaca var. aurantiaca Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6895 Siskiyou Poker Flat Siskiyou Mountains. 1536 Comment
  JEPS36275  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 1908-8-4 300 Siskiyou head of Shackelford Creek 1676 Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  UC163883  Agoseris grandiflora var. grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Yreka Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  CAS-BOT-BC22776  Agoseris heterophylla George Dexter Butler 1910-5-23 1402 Siskiyou Near Yreka Comment
  HSC67989  Agoseris heterophylla J. P. Smith 1974-5-25 7374 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  UC203919  Agrostis alba Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  UCD52132  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA239062  Agrostis pallens Frederick W. Oettinger 1968-9-3 681 Siskiyou West of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC1265310  Agrostis pallens F. W. Oettinger 1969-9-2 1587 Siskiyou near Tom Taylor Cabin; Salmon Mountains, Bear Meadow 2164 Comment
  HSC271  Agrostis variabilis William J. Ferlatte 1967-8-20 1074 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA384933  Agrostis variabilis M. B. Dunkle 9317 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  HSC45484  Allium bolanderi var. bolanderi Maralyn O'Meara 1974-5-25 431 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UCR40078  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC469235  Allium falcifolium A. A. Heller 1916-7-22 12491 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC469243  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC22206  Allium parvum J. O. Sawyer 1969-6-13 1101 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  HSC24703  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC540  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 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
  HSC45190  Allotropa virgata J. O. Sawyer, E. Cope 1977-6-18 2928 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC171393  Alnus incana subsp. tenuifolia Alice Eastwood 1921-7-25 10823 Siskiyou Bigelows, on the Mc. Cloud R. Comment
  CAS-BOT-BC171400  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-8-18 6493 Siskiyou head of N Fork of Salmon River at Finley's Upper Camp Comment
  HSC4965  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 305 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC169642  Alnus rhombifolia Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  UC164073  Alnus rhombifolia Geo. D. Butler 1909-3-26 563 Siskiyou mining dump near Oro Fino Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  CHSC91341  Alyssum alyssoides Lowell Ahart; John Dittes 2005-6-9 12017 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS125961  Alyssum alyssoides D. W. Taylor 1997-6-11 16044 Siskiyou Headwaters of Moffett Creek, Scott river drainage, at head of Sissel Gulch Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  HSC65274  Amelanchier alnifolia Rich White 1978-7-20 260 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CAS-BOT-BC136715  Amelanchier alnifolia var. pumila Gilbert J. Muth 1969-8-10 1342 Siskiyou Ridge west of Boulder Peak Comment
  HSC4961  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer 1968-9-13 707 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC4963  Amelanchier pallida J. O. Sawyer 1968-6-18 178 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA237651  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  RSA237665  Amelanchier pallida Frederick W. Oettinger 1969-8-13 1358 A Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136891  Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou On the hills just east of Yreka Comment
  CAS-BOT-BC136905  Amelanchier utahensis Alice Eastwood 1912-7-15 1081 Siskiyou McCloud Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  CAS-BOT-BC45214  Anaphalis margaritacea L. E. Smith 1914-7-6 753 Siskiyou Cantara Comment
  RSA696900  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 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
  CAS-BOT-BC391761  Anemone W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC391801  Anemone deltoidea Doris K. Kildale 1928-7-2 5393 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC391794  Anemone deltoidea Wayne Roderick 1967-7-23 s.n. Siskiyou Ca. 15 miles from Happe [Happy] Camp on O'Brien-Happy Camp road 1219 Comment
  RSA211129  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  UCD95474  Anemone drummondii var. drummondii Robert E. Preston 2001-8-26 1766 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1975 Comment
  HSC22418  Anemone lyallii J. O. Sawyer 1969-7-3 1047 Siskiyou Near Lipstick Lake 1951 Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  POM258360  Anemone multifida C. L. Hitchcock, J. S. Martin 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  HSC34320  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou W of Cliff Lake 1982 Comment
  HSC724  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  JEPS107478  Anemopsis californica Lowell Ahart, John Dittes 2005-6-9 12024 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
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC42905  Anisocarpus madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC59162  Antennaria dimorpha Dorothy Parker 1951-5-1 503 Siskiyou Mt. Boliver 1371 Comment
  RSA47802  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC58714  Antennaria geyeri Ralph K. Gierisch 1968-8-6 3364 Siskiyou Shasta-Trinity National Forest 1310 Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  UC917304  Antennaria media R. Tofsrud and J. M. Tucker 1948-8-2 1770 Siskiyou s slope of Mt. Shasta; , Panther Meadows 2407 Comment
  HSC61190  Antennaria racemosa Al Hobart Siskiyou El Capitan 1524 Comment
  HSC45048  Antennaria rosea subsp. rosea J. O. Sawyer 1978-6-19 3256 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  POM43118  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  JEPS83880  Apocynum androsaemifolium Wayne Roderick 1976-7-1 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass) 1706 Comment
  UC164099  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou dry land near Yreka Comment
  UC164094  Apocynum cannabinum Geo. D. Butler 1908-8-1 76 Siskiyou on Forest House rd. Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC394979  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC397943  Aquilegia formosa Alice Eastwood 1923-5-27 11959 Siskiyou Shasta Springs Comment
  UC166050  Aquilegia formosa Geo. D. Butler 1908-8-9 352 Siskiyou s Marble Valley (hillside) 1828 Comment
  UC635102  Aquilegia formosa Dorothy Tebbe 1929-6-25 24 Siskiyou Mount Eddy Comment
  RSA0125746  Arabis breweri Geo. D. Butler 1910-3-6 1118 Siskiyou Shasta River Comment
  HSC69740  Arabis breweri var. breweri Maralyn A. Renner 1980-6-26 1277 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC29187  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: W side of Horse Range 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
  HSC22438  Arabis holboellii var. pinetorum J. O. Sawyer 1969-6-13 951 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC25413  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5693 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC44752  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-19 3247 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC42158  Arabis holboellii var. retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  HSC40067  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC62262  Arabis platysperma Al Hobart Siskiyou Youngs Valley Comment
  POM95492  Arabis sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  SEINET2140110  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte). 1530 Comment
  CAS-BOT-BC39976  Arctostaphylos nevadensis Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC39980  Arctostaphylos nevadensis Elmer I. Applegate 1895-5-29 306 Siskiyou West base of Mt. Shasta near Sisson 1828 Comment
  CAS-BOT-BC39992  Arctostaphylos nevadensis Alice Eastwood 1921-7-29 10987 Siskiyou Pumice Mt. Comment
  CAS-BOT-BC45443  Arctostaphylos nevadensis Roger Raiche; Kurt Zadnik 1982-10-12 20785 Siskiyou Eleven miles west-northwest of Yreka at Deadwood Lookout. 1706 Comment
  HSC76972  Arctostaphylos nevadensis K. T. Stillman 1976-6-25 46 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  POM77966  Arctostaphylos nevadensis Geo D. Butler 1908-8-4 101 Siskiyou Head of Shackleford Creek. 1829 Comment
  RSA14981  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City. 2134 Comment
  UC61678  Arctostaphylos nevadensis Geo. B. Grant Sept 1902 5128 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC876445  Arctostaphylos nevadensis Geo. L. Fisher 1920-6-28 60 Siskiyou Mt. Shasta Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46471  Arctostaphylos patula Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  HSC33989  Arctostaphylos patula J. P. Smith 1974-5-25 7481 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  HSC91294  Arctostaphylos patula Jennifer Whipple 1976-7-1 1223 Siskiyou Wagon Creek drainage on E face of Mount Eddy 2226 Comment
  UC1409416  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou n end Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC47015  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-4-27 7482 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  UC892107  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  UC34177  Arnica cordifolia Harley P. Chandler 1901-6-1 1615 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  CAS-BOT-BC82404  Arnica discoidea Alice Eastwood 1923-5-18 11848 Siskiyou Shasta Springs Comment
  JEPS35856  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou 4 mi ne of Sawyers Bar; Russian Creek 1219 Comment
  RSA240077  Arnica discoidea Frederick W. Oettinger 1969-8-9 1323 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  RSA718800  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. 1561 Comment
  HSC22156  Arnica latifolia J. O. Sawyer 1969-7-2 1035 Siskiyou Near summit above Lipstick Lake 2226 Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC722579  Arnica latifolia C. L. Hitchcock and J. S. Martin 1939-7-7 5233 Siskiyou on rd to Bolan Lake ((5 mi from cut-off at juction with Takilma-Happy Camp rd)) 1767 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC85025  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  HSC76860  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  JEPS94078  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1998-9-8 9602 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  UCD129319  Artemisia douglasiana Collector Unknown Date Unknown s.n. Siskiyou Exact location unknown. Comment
  HSC2416  Artemisia norvegica subsp. saxatilis William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn. 2470 Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  HSC85901  Aruncus dioicus var. acuminatus Barry Silver 1986-5-26 658 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, base of bridge 7-1949 Comment
  RSA237599  Aruncus sylvester Frederick W. Oettinger 1969-9-4 1670 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  CAS-BOT-BC400587  Asarum caudatum Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC400598  Asarum caudatum Wm. Bridge Cooke 1942-6-7 16008 Siskiyou Along Wagon Creek, near Mt. Shasta City Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  SEINET10580360  Asclepias cordifolia Edward L. Greene 1876-6-19 Greene 862 Siskiyou Near Yreka Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  HSC93541  Asclepias speciosa G. Fred Hrusa 1997-9-18 14109 Siskiyou Shasta Valley, 1 mi. S of Gazelle on Old Hwy. 99 800 Comment
  UC1409503  Asclepias speciosa F. W. Oettinger 1969-8-12 1331 Siskiyou 1 mi from Etna Summit (on road toward Etna); Salmon Mountains Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  HSC48322  Aspidotis densa J. P. Smith, Steve Selva 1970-6-15 3951 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM145516  Aspidotis densa J. B. Feudge 1927-7-22 1614 Siskiyou Trail to Mountain Eddy. 1067 Comment
  UCSB51228  Aspidotis densa Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake meadow, Trinity Mountains 1706 Comment
  RSA238790  Aster alpigenus Frederick W. Oettinger 1969-8-4 1180 Siskiyou In wet, boggy meadow N of Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS54577  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Mountain Comment
  UCD104695  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA60233  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jacks Stronghold. Lava Beds National Monument. 1585 Comment
  JEPS107669  Astragalus gambelianus Lowell Ahart, John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC76981  Astragalus purshii var. lectulus K. T. Stillman 1976-6-25 61 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  CAS-BOT-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  RSA597968  Athyrium americanum L. C. Wheeler 1963-8-31 8318 Siskiyou Siskiyou Mountains, Devils Punch Bowl. 1433 Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  HSC22116  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC364  Athyrium distentifolium var. americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek 2134 Comment
  HSC35798  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-7-2 356 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC811441  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake; Marble Mts Comment
  CAS-BOT-BC17614  Athysanus pusillus L. E. Smith 1913-5-28 311 Siskiyou Yreka. Comment
  RSA210848  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39039 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CHSC71278  Balsamorhiza deltoidea Vernon H. Oswald; Lowell Ahart 1998-6-11 9174 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
  HSC2265  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Near Yreka Comment
  HSC61822  Barbarea orthoceras Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA237267  Barbarea orthoceras Frederick W. Oettinger 1969-8-22 1498 Siskiyou North side of Horse s Hole, near Horse Range Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  LA204057  Berberis aquifolium var. aquifolium Carl B. Wolf; 1934-7-5 5974 Siskiyou Siskiyou Mountains, 4.7 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout 1219 Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  CAS-BOT-BC75932  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC76000  Berberis pumila T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1524 Comment
  CAS-BOT-BC169478  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove grows in a swamp near the Mount Shasta High School, Mount Shasta 1097 Comment
  JEPS87871  Betula occidentalis Vernon H. Oswald and Lowell Ahart 1994-8-1 6443 Siskiyou junction of Forest Road 17 3.3 mi sw junction with Stewart Springs Rd (w of Weed) 1706 Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC92953  Bistorta bistortoides Jennifer Whipple 1976-7-1 1242 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127930  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  JEPS11909  Blepharipappus scaber Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4793 Siskiyou 5 mi w of junction with U.S. Highway 99 (on grade over mountains on road from Yreka to Fort Jones); Yreka, Fort Jones 1158 Comment
  POM351059  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  POM351060  Blepharipappus scaber Robert Gustafson 1985-10-19 3308 Siskiyou Stewart Mineral Springs resort. 1220 Comment
  UC198721  Boechera Annie M. Alexander and L. Kellogg 1911-6-17 152 Siskiyou Jackson Lake 1798 Comment
  UCD15033  Boechera John M. Tucker 1963-7-7 3723 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle; 1981 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  UCD114147  Boechera Dean William Taylor 1972-7-4 1578 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  UC673144  Boechera breweri subsp. shastaensis Lincoln Constance and Reed C. Rollins 1942-5-14 2930 Siskiyou 6 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  SEINET3166090  Boechera retrofracta P. J. Alexander 2008-7-23 867 -A Siskiyou Boulder Creek Trail, +-1.9 miles N of Boulder Peak, +-6 miles ENE of Black Marble Mountain, +-15 miles NW of Etna, Salmon Mountains, Klamath National Forest. 1798 Comment
  UC1096782  Boechera retrofracta Barbe 1957-7-13 386 Siskiyou rd leading s from Big Flat Camp to Salmon-Trinity Alps Wilderness Area; Klamath National Forest Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  SEINET10500399  Boschniakia strobilacea Mary Susan Taylor 1980-6-23 Taylor 2944 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  UC42357  Botrychium multifidum Marshall A. Howe 1894-7-30 Siskiyou Sisson Comment
  HSC62621  Botrychium multifidum Ruby Van Deventer 1957-8-4 Siskiyou Youngs Valley 1768 Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  HSC42934  Brickellia californica Ken Stillman 1976-8-24 434 Siskiyou Along Klamath River at Williams Point. 366 Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  CAS-BOT-BC484383  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou Mountain View Ranch 960 Comment
  UC1037163  Bromus carinatus var. carinatus Leo Whitney 1935-7-15 3474 Siskiyou 2 mi se of Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  CAS-BOT-BC155982  Bromus diandrus R. E. Frenkel 1963-7-15 240 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River Railroad crossing near Mount Shasta. 1290 Comment
  HSC36799  Bromus hordeaceus J. P. Smith 1974-5-27 7626 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC162472  Bromus laevipes L. R. Short 1933-5-31 79 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  UCD59243  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou Prospect Hill, 3 miles (airline distance) NW from mouth of Salmon River. 1097 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC185590  Bromus tectorum Geo. D. Butler 1909-8-16 860 Siskiyou Along creek near Yreka. Comment
  HSC69271  Bromus vulgaris Maralyn A. Renner 1980-7-24 1996 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UCD60244  Bromus vulgaris A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3448 Siskiyou 11 miles north of Happy Camp. Banks of Indian Creek. Comment
  SEINET7379693 Image available Cacaliopsis nardosmia G. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountains Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS109776  Calamagrostis breweri D. W. Taylor 2002-7-29 18287 Siskiyou South China Mountain; cirque as E base of summit ridge Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS24784  Calocedrus decurrens Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-1 6792 Siskiyou below and sw Mt. Shasta town (Sisson) (along South Fork of Sacramento River, between debouchements of Wagon and Scott Camp Creeks); Sacramento River 944 Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  LA6441  Calocedrus decurrens Wm. Bridge Cooke; 1939-7-28 13786 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  POM301752  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  RSA17447  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sissons. Comment
  CAS-BOT-BC488618  Calochortus elegans var. nanus Doris K. Kildale 1928-7-2 5348 Siskiyou Salmon Summit, near Horn Creek Trail 1981 Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  UC705734  Calochortus macrocarpus Marion Ownbey, Fred G. Meyer 1940-7-5 2177 Siskiyou n slope Table Rock; Little Shasta River Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  HSC69701  Calochortus tolmiei Maralyn A. Renner 1980-6-26 1265 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC181508  Caltha leptosepala A. A. Heller 1915-7-15 12086 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  CAS-BOT-BC273389  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC1971713  Calycadenia fremontii 1978-8-17 2131 Siskiyou 2.5 mi E of Callahan on the Gazelle-Callahan Road (near GDC 780), no plants at 2.0 mi E of Callahan 1022 Comment
  HSC2263  Calycadenia truncata Geo. D. Butler 1910-7-30 1801 Siskiyou near Yreka Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  CDA23945  Calyptridium umbellatum T. C. Fuller 1962-6-13 8980 Siskiyou Big Sand Flat, road to Medicine Lake, 7 miles north of Bartle. 0 Comment
  UC456006  Calystegia malacophylla subsp. malacophylla I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat; Mt. Bradley near Shasta Retreat 1524 Comment
  UC879420  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, near Wagon Creek Falls 1524 Comment
  UC1181813  Camissonia contorta Dorothy Parker 1950-4-26 406 Siskiyou Scott Valley Siskiyou Mountains 883 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
  JEPS11740  Campanula prenanthoides W. L. Jepson 1914-8-14 6172 Siskiyou Dunsmuir 670 Comment
  SEINET10463155  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou Ridge west of China Creek, south side of South Fork of Salmon river 960 Comment
  UC29013  Campanula prenanthoides J. Burtt Davy 1899-6-27 5889 Siskiyou Weitchpek North Coast Ranges, Klamath River (on banks of river) Comment
  HSC76899  Campanula rotundifolia K. T. Stillman 1976-8-7 385 Siskiyou Marble Mountain Wilderness Area Comment
  RSA456190  Campanula scouleri L. C. Wheeler 1934-6-7 2648 Siskiyou Hungry Creek Lookout. 1502 Comment
  UC248605  Campanula scouleri Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2469 Siskiyou Mt. Shasta and vicinity Comment
  UC890603  Campanula scouleri A. A. Heller 1915-7-18 12106 Siskiyou Metcalf's Ranch Mt. Eddy (ne slope of mountain) 1188 Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  CDA3672  Capsella bursa-pastoris G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2580 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  CAS-BOT-BC37313  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  UC618906  Cardamine breweri Reed Rollins 1938-7-15 11203 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  HSC68405  Cardamine californica Maralyn A. Renner 1980-6-26 1134 Siskiyou Flint Valley. 1390 Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  CAS-BOT-BC17859  Carex amplifolia H. A. Thomas; J. H. Thomas 1954-7-21 4418 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC17960  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the bog formed by the lower Wagon Camp Springs. 1737 Comment
  CHSC55553  Carex aquatilis var. dives L. P. Janeway 1983-8-16 560 Siskiyou At Poker Flat. 1524 Comment
  SEINET7484272 Image available Carex atherodes Peter F. Zika 2009-1 24601 Siskiyou on north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  CAS-BOT-BC18130  Carex athrostachya Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  UC642557  Carex brainerdii J. W. Stacey 1939-8-10 13819 Siskiyou in the bed of Mud Creek Canyon Mud Creek Canyon Comment
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Mar 22 2008
  CAS-BOT-BC19651  Carex brainerdii William Bridge Cooke 1939-8-10 13819 Siskiyou Mount Shasta. In the bed of Mud Creek Canyon. 1828 Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CHSC102554  Carex breweri L. P. Janeway 2009-8-4 9900 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  CAS-BOT-BC19871  Carex echinata subsp. echinata J. W. Stacey 1939-7-21 13724 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  JEPS84060  Carex gigas L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6377 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  CAS-BOT-BC20466  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou In the meadow at Medicine Lake. 2133 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  CAS-BOT-BC28086  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, 1508 Comment
  UC837247  Carex inops subsp. inops L. E. Smith 1913-4-29 149 Siskiyou McCloud Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  JEPS100907  Carex jonesii Dean W. Taylor 1987-6-7 9025 Siskiyou Paynes Springs 2011 Comment
  CAS-BOT-BC7578  Carex laeviculmis Doris K. Kildale 1928-8-19 6521 Siskiyou English Lake, head of north Fork of Salmon River Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  CHSC40171  Carex luzulina Lawrence Janeway 1982-7-2 34 Siskiyou At Poker Flat, at end of rd 18N33. Upper part of meadow. 1524 Comment
  HSC100116  Carex luzulina Maralyn A. Renner 1980-7-24 2068 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  CAS-BOT-BC31687  Carex mariposana Louis C. Wheeler 1934-8-2 3014 Siskiyou Jaynes Canyon 2042 Comment
  HSC76312  Carex mertensii L. P. Janeway 1982-8-15 145 Siskiyou Below Echo Lake 1646 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  SEINET8275892  Carex multicaulis Elmer I. Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley, Siskiyou County, California Comment
  CAS-BOT-BC23419  Carex multicostata John Thomas Howell 1937-7-26 13557 Siskiyou Caribou Gulch Comment
  HSC76948  Carex multicostata K. T. Stillman 1976-7-14 231 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET7568516 Image available Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2164 Comment
  RSA233692  Carex nigricans Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC195508  Carex nudata Geo. D. Butler 1910-5-21 1377 Siskiyou Klamath River Comment
  UC1586947  Carex pellita Juha Pykala and D. H. Norris 1987-7-7 2350 Siskiyou w Weed (Stewart Springs road, near old Highway 99) 930 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  SEINET4290612 Image available Carex phaeocephala Unknown 2009-1 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. Mt. Shasta 7.5' quad. Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  HSC67755  Carex rossii J. O. Sawyer, J. Cole 1980-7-19 3686 Siskiyou Near FS Rd. 45N05 2018 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC91195  Carex scabriuscula Jennifer Whipple 1977-7-20 1997 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC30526  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC96569  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 368 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  CHSC44945  Carex serratodens L. P. Janeway 1983-5-29 317 Siskiyou Drainage ditch on N side of Scott River Rd, on N side of Scott River; opposite Indian Scotty USFS campground. 762 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  UC1265388  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou near Tom Taylor Cabin (in Bear Meadow); Salmon Mountains, Marble Mountain Wilderness 2164 Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS109254  Carex stipata var. stipata D. W. Taylor 2003-8-12 18670 b Siskiyou Weed, growing along Boise Creek near the Hwy 97 bridge. Comment
  CHSC110081  Carex straminiformis Robert F. Thorne; Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; moist ground of streamlet originating as overflow from large water tank above ski lodge. 2316 Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  SEINET7577150 Image available Carex subfusca Ray Tallent 1987-8-13 912 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UC1265470  Carex vesicaria var. vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain wilderness area, north shoreline of Horse Range Lake; Fir Forest 1821 Comment
  SEINET515839  Carex whitneyi Vernon Oswald 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS23769  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6826 Siskiyou just n and below Scott Mountain road summit; Scott Mountain 1615 Comment
  JEPS83995  Castilleja applegatei subsp. pinetorum L. R. Heckard 1986-7-16 6406 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon); Hell's Canyon 1750 Comment
  JEPS84199  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  UC454838  Castilleja applegatei subsp. pinetorum I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC241148  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1940-6-2 4381 Siskiyou W. of Indian Wells Ranger St. on rd. to Tenet Comment
  CAS-BOT-BC243757  Castilleja applegatei var. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  CHSC66544  Castilleja arachnoidea Vernon H. Oswald 1996-7-12 8004 Siskiyou Sand Flat on Mt. Shasta 1.5 mi N of Everitt Memorial Hwy. (A10). 2164 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  JEPS76187  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7635 Siskiyou 0.75 mi from Deadfall Meadow to Deadfall Lake; Mt. Eddy 2042 Comment
  SEINET13737231  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  SEINET13737243  Castilleja arachnoidea G. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  UC1483513  Castilleja arachnoidea John Palmer 1980-7-24 667 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
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May 25 2011
  RSA429371  Castilleja arachnoidea M. B. Dunkle 1945-08 9291 Siskiyou Klamath Nat'l Forest. Marble Mtns. 2439 Comment
  UCD122129  Castilleja arachnoidea A. H. Murphy 1958-8-6 58 -F Siskiyou Big Meadows, Marble Mts. 2346 Comment
  SEINET3159134  Castilleja arachnoidea subsp. schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek 1676 Comment
  JEPS4342  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1034024  Castilleja lacera Francis W. Pennell 1940-7-20 26199 Siskiyou w of Bartle (Route 89) 1158 Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  HSC20548  Castilleja linariifolia D. M. Thomson 1965-8-7 172 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  HSC22089  Castilleja miniata J. O. Sawyer 1969-8-4 1869 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  UC922473  Castilleja miniata Annie M. Alexander and Louise Kellogg 1949-7-20 5811 Siskiyou slope above Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  LA86534  Castilleja miniata J. M. Tucker; 1963-8-17 1963 Siskiyou Marble Mountain Wilderness Area, Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Area 1493 Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS8023  Castilleja pruinosa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-16 3470 Siskiyou 2 mi w Lake Bolan (ridge, on upper watershed of Indian Creek, immed s of Oregon-Calif boundary); Siskiyou Mountains, Indian Creek 1584 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  UC163702  Castilleja pruinosa Geo. D. Butler 1910-6-5 1516 Siskiyou Log Lake; Shackleford Creek Comment
  UC705754  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge; Marble Mountain Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  UC164363  Castilleja tenuis Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley Comment
  CAS-BOT-BC48651  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 mi. no. of Dunsmuir 609 Comment
  JEPS42357  Ceanothus cordulatus W. L. Jepson Aug. 1894 14011 Siskiyou Sisson Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  RSA256607  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  CHSC8580  Ceanothus integerrimus var. californicus G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles N.E. of Callahan. 822 Comment
  CAS-BOT-BC52121  Ceanothus prostratus L. E. Smith 1913-4-10 67 Siskiyou Weed Comment
  JEPS42157  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Shackleford Creek 853 Comment
  UC1071276  Ceanothus prostratus R. D. Roseberry 1936-5-11 16 Siskiyou e side Heppo Butte; Modoc Lava Beds National Monument, Dorris Quad. Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  POM85996  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Hundrey Mtn. 1220 Comment
  CAS-BOT-BC63160  Ceanothus velutinus L. E. Smith 1913-7-1 s.n. Siskiyou Mt. Shasta. Comment
  RSA3390  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 miles W of summit of grade on road from Mt Shasta City to Mccloud. 1220 Comment
  RSA398976  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City. Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CDA35603  Ceanothus velutinus T. C. Fuller 1962-6-13 8992 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  HSC37528  Centaurea cyanus J. P. Smith 1974-5-26 7529 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CDA34726  Centaurea solstitialis L. Ahart, John Dittes 2010-7-3 16947 Siskiyou On high ground in a meadow area west of the Shasta River, about 200 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  SEINET10741267 Image available Centaurium trichanthum Edward L. Greene 1876-8-5 Greene 964 Siskiyou Collected near Yreka. Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  CAS-BOT-BC384966  Cerastium arvense Alice Eastwood 1912-8-30 1974 Siskiyou Mount Eddy Comment
  HSC26147  Cerastium beeringianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5688 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD97997  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC504  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-27 529 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  UC165261  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  RSA60635  Cercocarpus ledifolius I. L. Wiggins 1950-5-28 12377 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  LA47784  Cercocarpus ledifolius W. B. C.; 1940-6-4 15011 Siskiyou Mount Shasta, Shasta Valley near Bolam Comment
  JEPS94397  Chaenactis douglasii var. douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8769 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC276774  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  CAS-BOT-BC106037  Chaenactis suffrutescens Brandegee s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  UC1034641  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou 4 mi s of Gazelle (Hwy 99) 914 Comment
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  POM274980  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  CHSC62521  Chamaecyparis lawsoniana L. P. Janeway 1993-8-31 4572 Siskiyou At outlet of Lower Cliff Lake; headwaters of South Fork Sacramento River. 1746 Comment
  CDA35239  Chamaesyce glyptosperma D. H. Shaw Jul 1977 Siskiyou Near Dorris. 0 Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  UC637121  Chamaesyce serpyllifolia Edward Lee 1934-8-12 1048 Siskiyou 1/4 mi w mouth of Walker Creek (a tributary of the Klamath River (e side of Seiad Valley)) 426 Comment
  HSC187  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Big Flat, near public campground 1524 Comment
  HSC69128  Cheilanthes gracillima Maralyn A. Renner 1980-8-7 2380 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UCR101226  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  HSC92437  Chenopodium atrovirens Jennifer Whipple 1976-7-9 1384 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  RSA0072902  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39033 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  SJSU15098  Chenopodium rubrum C. W. Sharsmith 1992-9-17 9245 Siskiyou 1225 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  CAS-BOT-BC452261  Chimaphila umbellata Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Regreat Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  UCSB23743  Chimaphila umbellata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  SEINET6976053  Chimaphila umbellata subsp. occidentalis Unknown 1986-9-13 2156 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction; near Marble Mountain Wilderness. Comment
  CAS-BOT-BC30101  Chrysolepis L. B. Kildale 1930-6-1 9823 Siskiyou Etna Mills Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  UC705920  Chrysolepis chrysophylla var. chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou 11 mi above Happy Camp (hillside along Indian Creek); Indian Creek Comment
  CAS-BOT-BC36201  Chrysolepis sempervirens Alice Eastwood 1921-7-28 10892 Siskiyou Little Mt. Hoffman Comment
  CHSC617  Chrysolepis sempervirens V. Holt 1939-7-1 Siskiyou Mt. Shasta City. 1097 Comment
  HSC8067  Chrysolepis sempervirens Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  UC199532  Chrysolepis sempervirens Annie M. Alexander and L. Kellogg 1911-6-16 149 Siskiyou Jackson Lake Comment
  SEINET8734907 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-1 41427 Siskiyou Dorris 1307 Comment
  SD61049  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1964-8-5 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  UC60954  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  RSA211353  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  CAS-BOT-BC285349  Cirsium andersonii L. S. Smith 1913-8-30 536 Siskiyou Mount Eddy Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  CAS-BOT-BC278050  Cirsium cymosum A. A. Heller 1905-6-22 s.n. Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC278036  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  HSC70600  Cirsium douglasii var. breweri J. O. Sawyer, R. J. Cole 1981-7-2 4152 Siskiyou Near Scott Mtn. Campground 1585 Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS81662  Cirsium occidentale var. venustum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2316 Siskiyou Northern side of McCloud arms of Shasta Lake (15 mi from hwy 99 along Gilman Road) 487 Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC172568  Clarkia purpurea subsp. purpurea L. E. Smith 1913-6-20 384 Siskiyou Weed Comment
  POM215736  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC68566  Clarkia rhomboidea Maralyn A. Renner 1980-6-7 779 Siskiyou N of Greenhorn Rd. 1098 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS82478  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Mt. Wilderness Area; Marble Valley 1792 Comment
  CHSC1364  Claytonia lanceolata V. Holt 1936-5-24 Siskiyou Mt. Shasta. Comment
  UC1299368  Claytonia lanceolata Freed W. Hoffman 1950-7-14 3629 Siskiyou Baldy Mt.; w Siskiyou County Comment
  RSA0080498  Claytonia lanceolata P. A. Munz 1952-7-2 17908 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
Read comments
Sep 27 2006
  POM228993  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 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
  SEINET5336423  Claytonia rubra subsp. rubra G. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  UC452678  Claytonia sibirica Dr. E. B. Copeland 1903-8-13 3891 Siskiyou Sisson 1066 Comment
  HSC19261  Clintonia uniflora J. O. Sawyer 1968-7-9 444 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC580  Clintonia uniflora William J. Ferlatte 1967-7-9 702 Siskiyou Kidd Creek Trail 1677 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  CAS-BOT-BC500972  Clintonia uniflora L. R. Short 1933-8-7 20 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  CDA7435  Cnicus benedictus C. S. Giebner 1965-9-2 Siskiyou Carl Black property, Scott Valley. 0 Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  UC138811  Collinsia linearis A. A. Heller 1905-6-1 7946 Siskiyou Shasta Retreat Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  HSC29393  Collinsia linearis Brad Klipfel 1969-7-11 978 Siskiyou Due W of NW end of Hancock Lake 1951 Comment
  HSC20614  Collinsia parviflora R. C. Wunner 1965-6-6 81 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  JEPS69759  Collinsia torreyi var. latifolia W. B. & V. G. Cooke 1972-7-6 45456 Siskiyou along Mud Creek Dam Rd Mt. Shasta 1371 Comment
  CHSC71490  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-7-21 9317 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
  HSC220  Collomia grandiflora William J. Ferlatte 1966-8-3 287 Siskiyou Josephine Lake basin. 1677 Comment
  HSC73273  Collomia heterophylla M. A. Baker 1980-6-20 2184 Siskiyou Near Bald Mtn. 1036 Comment
  POM75189  Collomia heterophylla Geo D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek. Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  HSC19052  Collomia tinctoria J. O. Sawyer 1969-7-16 1134 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC44944  Collomia tinctoria J. O. Sawyer 1978-6-18 3238 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  RSA237990  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SBBG25943  Convolvulus arvensis D. Myrick 1966-8-9 1540 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC133724  Corallorhiza A. M. Vollmer; L. Beane 1951-6-2 59 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC495  Corallorhiza maculata William J. Ferlatte 1966-6-22 83 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  UC618678  Corallorhiza maculata W. Bridge Cooke 1938-8-5 11461 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA758224  Corallorhiza maculata Robert F. Thorne 1969-8-2 63322 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  CDA36727  Cordylanthus tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity National Forest, along road 40N43 west of Lake Siskiyou; at first creek crossing west of junction with road 26. Comment
  HSC101188  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-9 16282 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow, on the mountain. 1345 Comment
  POM211267  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 Comment
  HSC72276  Cordylanthus tenuis subsp. viscidus J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8966 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  JEPS70112  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1972-8-4 3149 Siskiyou southern edge Dunsmuir (near first Dunsmuir freeway exit) 822 Comment
  HSC43056  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-24 447 Siskiyou E and N slopes of Williams Point 366 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  UC61181  Cornus nuttallii W. A. Setchell, C. C. Dobie 1902-6-18 Siskiyou Mt. Shasta, Sisson Comment
  SEINET12136386  Cornus nuttallii M. Ownbey, Brown, D. H. 1941-1 2426 Siskiyou on road between Craggy Mountain & Deadwook Lookout, NW of Yreka Comment
  CAS-BOT-BC210425  Cornus sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou Trail at crossing of China Creek 1301 Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  CDA25819  Crataegus douglasii var. suksdorfii F. D. Horn 1976-5-21 Siskiyou Lighthill Grade Road near Fort Jones. 0 Comment
  CAS-BOT-BC290475  Crepis acuminata E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1879 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  POM33154  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  CHSC86668  Crepis monticola Jenny Marr 1993-7-1 51 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  HSC46192  Crepis occidentalis subsp. occidentalis Jennifer Whipple 1977-4-30 1877 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC2264  Crepis pleurocarpa Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  HSC92417  Crepis pleurocarpa Jennifer Whipple 1976-7-24 1553 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  UCR51766  Crocidium multicaule L. C. Wheeler 1935-5-5 03463 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  CDA4483  Crocidium multicaule G. Deal 1965-4-2 Siskiyou Butte Valley; Highway 97 south of Dorris. 0 Comment
  CDA4485  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9197 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  JEPS105334  Cryptantha ambigua Dean W. Taylor 1995-6-4 14964 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  UC650667  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1432 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
Read comments
Oct 12 2011
  POM72146  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug Road. Comment
  HSC19012  Cystopteris fragilis J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  JEPS82418  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mt. Wilderness Area Marble Valley; , Marble Valley horse pasture 1792 Comment
  HSC62459  Danthonia californica Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  CAS-BOT-BC192355  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mountain South of Calahan [Callahan] Comment
  CAS-BOT-BC76236  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mount Eddy. 1828 Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC142509  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mt. Eddy 1219 Comment
  UC1483489  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1066 Comment
  CAS-BOT-BC9573  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  RSA60841  Delphinium decorum subsp. tracyi Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC68541  Delphinium depauperatum Maralyn A. Renner 1980-6-24 1063 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CHSC57500  Delphinium nudicaule Lyna Black 1990-4-11 1 Siskiyou Approx. 1/2 mi ne of Yreka. 838 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC61773  Delphinium nuttallianum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  HSC78190  Delphinium nuttallianum L. P. Janeway 1983-7-10 405 Siskiyou Poker Flat 1524 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  HSC36879  Delphinium nuttallianum J. P. Smith 1974-5-26 7545 Siskiyou Along FS Rd. 47N03 1524 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 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
  CAS-BOT-BC201638  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 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
  HSC34144  Deschampsia elongata J. O. Sawyer 1969-7-10 1438 Siskiyou Rocky ridge S of Jackson Lake. 1951 Comment
  JEPS80519  Descurainia incana Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountain Wilderness Area; meadow above horse pasture 1804 Comment
  SEINET7073596  Descurainia incisa A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  SEINET5343300  Descurainia incisa subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along rd. from Schonchin Butte to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1463 Comment
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  CAS-BOT-BC388466  Dianthus deltoides Duncan Dunning 1921-7-16 s.n. Siskiyou Toad Lake, southeast of Toad Mountain, northwest of Hambone, southeastern Siskiyou County Comment
  HSC24688  Dicentra formosa J. O. Sawyer 1969-7-18 1361 Siskiyou E of Waterdog Lake 2012 Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CAS-BOT-BC402548  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12380 Siskiyou Ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  HSC36822  Dichelostemma multiflorum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC43036  Dichelostemma multiflorum J. O. Sawyer, Ken Stillman 1976-7-2 2809 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC500996  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  SD112556  Dieteria canescens var. shastensis Darley F. Howe 1969-8-30 4671 Siskiyou 1.3 miles south of Weed on [interstate] 5 1130 Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  CAS-BOT-BC290996  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC291014  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2074 Siskiyou Horse Camp, Mount Shasta Comment
  HSC76730  Dieteria canescens var. shastensis K. T. Stillman 1976-8-8 392 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  CAS-BOT-BC153452  Diplacus layneae John Thomas Howell 1934-7-4 12398 Siskiyou unspecified Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 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
  HSC9646  Distichlis spicata R. C. Wunner 1965-7-4 339 Siskiyou Lava Beds National Monument: E side of Petroglyphs, near old shoreline of Tule Lake. 1220 Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA760544  Dodecatheon alpinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63368 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC37534  Dodecatheon conjugens J. P. Smith 1974-5-26 7572 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA78680  Dodecatheon hendersonii P. A. Munz 1952-7-2 17873 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC19085  Dodecatheon jeffreyi J. O. Sawyer 1969-7-3 1039 Siskiyou Near Lipstick Lake 1951 Comment
  HSC44970  Dodecatheon jeffreyi J. O. Sawyer 1978-6-20 3269 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET11973424  Dodecatheon jeffreyi H. P. Chandler 1901-1 1573 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC26728  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. 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
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  UCD113085  Drymocallis glandulosa Lynette Renouf 1992-5-31 24 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along the south fork of the Sacramento River. Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CAS-BOT-BC159286  Drymocallis lactea var. lactea David Keck 1938-6-24 11070 Siskiyou MacBridge Springs - Mount Shasta 1524 Comment
  CAS-BOT-BC159293  Drymocallis lactea var. lactea John Thomas Howell 1939-8-2 14940 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC132  Drymocallis lactea var. lactea William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin 1982 Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SBBG88090  Drymocallis lactea var. lactea S. Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt Shasta 1767 Comment
  CAS-BOT-BC536727  Drymocallis pseudorupestris Wm. Bridge Cooke 1938-8-23 11570 Siskiyou North Slope of Shastina. Hudsonian. Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CHSC62597  Dulichium arundinaceum L. P. Janeway 1993-8-30 4569 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  SD76149  Dysphania botrys Helen V. Witham 1969-10-7 573 Siskiyou Scott River Valley 10 miles west of Ft. Jones 700 Comment
  CAS-BOT-BC197244  Echinochloa muricata Dorothy Parker 1948-8-24 87 Siskiyou Plowman's Valley, East Fork of Scott River 1066 Comment
  CHSC107139  Eleocharis decumbens R. E. Brainerd 2009-7-21 1536 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88377  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  SEINET10558303  Elymus condensatus A. Arthur Heller 1905-6-19 Heller 8069 Siskiyou Grenada Station. Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  RSA238986  Elymus elymoides Frederick W. Oettinger 1968-8-8 456 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA239037  Elymus elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  POM112865  Elymus elymoides subsp. hordeoides Geo D. Butler 1910-5-4 1278 Siskiyou Dry hill, Yreka. Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC26989  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1971-9-16 4768 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC30695  Elymus elymoides var. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou The High Lake Basins, at junction of trials to English Peak and Uncle's Lake, Marble Mtn. wilderness area. 2165 Comment
  HSC45893  Elymus glaucus Laura Witherspoon 1978-8-10 74 Siskiyou Klamath National Forest. In cut block on Ball Mtn. Comment
  CAS-BOT-BC206601  Elymus glaucus subsp. glaucus David D. Keck 1949-7-19 6355 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, near head of Yreka Creek at firest spring Serpentine outcropping here. 1127 Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. Comment
  CAS-BOT-BC213812  Elymus repens Dorothy Parker 1945-9-9 121 Siskiyou Fields on Parker Ranch, Plowman's Valley 1097 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC42919  Epilobium brachycarpum Ken Stillman 1976-8-31 458 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  HSC29172  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1791 Comment
  HSC30616  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along trail between Yellow Dog Creek and Abbott's Lower Cabin, Salmon Mtns. Comment
  CHSC86653  Epilobium ciliatum Jenny Marr 1993-7-1 36 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC49651  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-8-7 4543 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  HSC42954  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer, Ken Stillman 1976-7-1 2781 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM258627  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15231 Siskiyou Mt. Shasta: in the meadow at Bear Springs. 1524 Comment
  UC922287  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1949-7-24 5868 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  UC642588  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-8-24 13902 Siskiyou along w branch of Squaw Valley Creek Mount Shasta Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  HSC29148  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  SBBG25890  Epilobium minutum D. Myrick 1966-8-9 1506 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC59013  Epilobium oregonense Marvin Butler 1971-7-29 242 Siskiyou Near Cyclone Gap, close to Cave Junction 1524 Comment
  HSC62031  Epilobium siskiyouense Al Hobart 4 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC58022  Equisetum Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1005 Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CDA42478  Equisetum laevigatum L. Ahart, John Dittes 2006-6-1 12107 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC204510  Eragrostis cilianensis Dorothy Parker 1948-8-24 86 Siskiyou Along the road in Plowman's Valley 1188 Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  HSC81555  Eremogone congesta Thomas W. Nelson, Jane P. Nelson 1980-7-20 6166 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  CHSC99721  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-24 9469 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. 1975 Comment
  JEPS116879  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC286714  Ericameria bloomeri Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta Comment
  LA203672  Ericameria bloomeri Wm. Bridge Cooke; 1939-8-8 13842 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  POM57939  Ericameria bloomeri E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1159 Comment
  RSA211196  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG7920  Ericameria bloomeri H. and M. Dearing 1948-9-12 6733 Siskiyou Mt Shasta 2316 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
  CHSC8609  Ericameria nauseosa G. Smalley 1967-6-20 Siskiyou Collected 7 miles e of Callahan. 1066 Comment
  HSC104144  Ericameria nauseosa var. speciosa Dana York 2011-9-8 3084 Siskiyou Klamath National Forest, Marble Mountain Wilderness, along summit of Marble Mountain, ~2.1 km N of Black Marble Mountain 2120 Comment
  LA203186  Ericameria nauseosa var. speciosa Wm. Bridge Cooke; 1939-8-4 13802 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC111299  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 Siskiyou n end of Shasta Valley (Ager) Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
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Jul 18 2018
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  UC127574  Erigeron aliceae Harley P. Chandler 1901-6-1 1628 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  UC223692  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Creek 1676 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  HSC61801  Erigeron aliceae Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  RSA201803  Erigeron aliceae J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC294502  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
  HSC19552  Erigeron cervinus J. O. Sawyer 1969-7-10 807 Siskiyou Midslope South face near Sugar Lake 1829 Comment
  RSA126295  Erigeron cervinus I. L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  JEPS94250  Erigeron chrysopsidis var. austiniae Vernon H. Oswald and Lowell Ahart 1998-6-11 9214 Siskiyou 1.5 mi s of the Rail Road crossing s of Mount Hebron (Klamath National Forest boundary on Old State Highway); Klamath National Forest boundary on Old State Highway 1295 Comment
  CAS-BOT-BC297188  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  UC1540159 Image available Erigeron inornatus var. calidipetris Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; (a small vernal depression in an indurate lava flow), margin of pond 1304 Comment
  UC179496  Erigeron inornatus var. inornatus A. A. Heller 1914-8-25 11717 Siskiyou along the railroad embankment near Deetz station (opposite Black Butte) 1158 Comment
  UC618632  Erigeron nivalis W. Bridge Cooke 1938-7-28 11361 Siskiyou Mount Shasta, n ridges, Hudsonian Mount Shasta (near timberline) 2895 Comment
  RSA211209  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1967-8-20 1046 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  HSC26151  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS57159  Erigeron petrophilus var. viscidulus L. R. Heckard 1967-8-12 1662 Siskiyou ridge about 2 air miles nw Mt. Eddy summit 2255 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
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Nov 28 2018
  CHSC71471  Erigeron pumilus var. intermedius Vernon H. Oswald; Lowell Ahart 1998-7-21 9331 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. West edge of pit. 1402 Comment
  CAS-BOT-BC300312  Erigeron tener Alice Eastwood 1912-8-30 2011 Siskiyou Mount Eddy Comment
  UC24052  Eriodictyon californicum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD119304  Eriodictyon lobbii Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta. 1996 Comment
  CAS-BOT-BC248781  Eriogonum baileyi var. baileyi Wm. Bridge Cooke 1949-8-26 25650 Siskiyou Above Bolam Station, Mount Shasta Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC909323  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou near Chinquapin (Scott Mountain); Scott Mountain 1524 Comment
  RSA279588  Eriogonum diclinum James L. Reveal 1975-8-15 3956 Siskiyou Sisikiyou Mountains; Klamathe Nat'l Forest; along the Dry Lake Lookout Road ( FSR 40S01) 0.5 mile west of Dry Lake Lookout near the Buckhorn Trail. 2043 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
  RSA393293  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC66242  Eriogonum hirtellum Maralyn A. Renner 1980-8-7 2415 Siskiyou Ridge S of Preston Peak 1951 Comment
  CAS-BOT-BC261213  Eriogonum hirtellum Rimo Bacigalupi; L. Constance; L. R. Heckard 1960-7-20 7458 Siskiyou Between Indian Creek drainage, N. Fk. Twin Valley Creek and Illinois Riv. drainage (Dunn Creek), boundary line - Del Norte and Siskiyou Counties 1615 Comment
  CAS-BOT-BC261229  Eriogonum hirtiflorum W. B. Cooke; V. G. Cooke 1966-7-16 37214 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  HSC30293  Eriogonum lobbii J. O. Sawyer 1970-8-5 2356 Siskiyou Near Caribou Lake 2073 Comment
  RSA393650  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  SD23787  Eriogonum marifolium Wm. Bridge Cooke 1938-9-8 11614 Siskiyou Mt. Shasts, glacial meadow 2438 Comment
  SEINET10970703  Eriogonum marifolium Mary Susan Taylor 1980-8-18 Taylor 3260 Siskiyou T43N R2E ne sec 14, Medicine Lake quad. Shasta-Trinity Natl Forest, Pumice Stone Well, in pumice, ca. 0.5 mi N of Pumice Stone Mountain. With J. Prouty & E. Heinz. 1951 Comment
  CAS-BOT-BC263182  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake 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
  JEPS85495  Eriogonum nudum var. pubiflorum L. R. Heckard and T. I. Chuang 1968-7-2 1969 Siskiyou 6 mi n along US Highway 97 Weed 1219 Comment
  CAS-BOT-BC272490  Eriogonum nudum var. pubiflorum Doris K. Kildale 1928-7-25 5874 Siskiyou Klamath River, between Brown's Resort & Gottville 579 Comment
  HSC17326  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 130 Siskiyou Lava Beds N.M., 0.5 mi. S of Cauldwell Butte along main rd. Comment
  UCD100722  Eriogonum nudum var. pubiflorum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud. Comment
  JEPS114194  Eriogonum ovalifolium var. purpureum L. P. Janeway, B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. Comment
  UC618620  Eriogonum pyrolifolium W. Bridge Cooke 1938-8-18 11495 Siskiyou Horse Camp Slopes Mount Shasta, Horse Camp Slopes Comment
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  CAS-BOT-BC252960  Eriogonum pyrolifolium var. pyrolifolium Susan Stokes 1938-8-18 11495 Siskiyou Horse Camp Slopes, Mount Shasta 2514 Comment
  CAS-BOT-BC268581  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4803 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  CHSC71311  Eriogonum sphaerocephalum var. halimioides Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9242 Siskiyou Big Tableland at the southwest edge of the lower Klamath National Wildlife Refuge. Comment
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  CAS-BOT-BC262753  Eriogonum strictum var. anserinum Elmer I. Applegate 1932-6-8 9441 Siskiyou Bear-paw [Bearpaw] Cave, Lava Beds National Monument Comment
  JEPS57225  Eriogonum strictum var. greenei L. R. Heckard 1967-8-13 1713 Siskiyou near summit; Mt. Eddy 2712 Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC263391  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 2 Siskiyou Between Etna Mills and Fort Jones Comment
  HSC61799  Eriogonum ternatum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC267941  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Cr. 914 Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  SEINET9292778  Eriogonum umbellatum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  JEPS56187  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  HSC39066  Eriogonum umbellatum var. dumosum A. M. Montalvo, J. D. Ackerman 1975-7-18 584 Siskiyou S Fork Sacramento River, W of Box Canyon Reservoir on USFS Rd. 40N30 Comment
  CAS-BOT-BC268154  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10418 Siskiyou On the summit of Mt. Eddy 2758 Comment
  HSC43433  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-9 1400 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2226 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  UC1980602 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.6 air miles north of Etna. Comment
  SEINET10919210 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 Reveal 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 miles west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna, on gravelly soil in open grasslands. T.43N, R9W, sec. 30 NE1/4 of the NE1/4. 869 Comment
  JEPS84206  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6496 Siskiyou ca 14.5 mi Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.; near Dry Lake); Oak Knoll Ranger Station road 2000 Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  UCD77655  Eriogonum umbellatum var. modocense Robert E. Preston 2005-7-1 2359 Siskiyou 3.3 mi E of Granada, along County Rd A12 787 Comment
  CAS-BOT-BC265197  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  JEPS56212  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring; Marble Mt. region, Wooly Creek Comment
  UC1312940  Eriogonum umbellatum var. nevadense J. M. Tucker and L. K. Mann 1963-8-18 3761 Siskiyou top of saddle between Marble and sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  POM165270  Eriogonum umbellatum var. polyanthum W. A. Setchell, C. Dobie 1902-07 4113 Siskiyou Session Mt. Shasta. Comment
  SEINET3836800 Image available Eriogonum umbellatum var. stellatum G. D. Butler 1908-8-9 214 Siskiyou Summit-above Marble Valley Comment
  UC1980594 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  POM105146  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Summer Fallow Fish near Yreka Comment
  POM267114B  Eriogonum vimineum L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  CAS-BOT-BC94804  Eriophyllum lanatum R. C. Wenk 2006-7-24 532 Siskiyou Scott Mtns., border between Trinity and Siskiyou Cos., along Pacific Crest Trail, 0.5 km E of Hwy. 3 1700 Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  UC896368  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou slope e side Mt. Eddy Comment
  CAS-BOT-BC301112  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  UC1190273  Eriophyllum lanatum var. integrifolium Ira L. Wiggins 1955-7-29 13585 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  RSA240058  Erodium cicutarium Frederick W. Oettinger 1969-8-10 1329 Siskiyou Fort Jones. Comment
  CAS-BOT-BC54577  Erysimum capitatum Doris K. Kildale 1928-7-2 5392 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  RSA238400  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Near Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC54699  Erysimum capitatum var. purshii Elmer I. Applegate 1935-6-6 9360 Siskiyou North base of Caldwell Butte, Lava Beds National Monument. 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
  CHSC1792  Erythranthe primuloides N. Jaekal 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  CAS-BOT-BC505227  Erythronium grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mt. northwest of Happy Camp 1524 Comment
  CAS-BOT-BC505229  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC505230  Erythronium grandiflorum Lillian Mott 1976-7-4 29 LM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  CHSC2269  Erythronium purpurascens M. Yoder 1941-6-28 Siskiyou Castle Lake. 1950 Comment
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Oct 3 2011
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC403686  Eschscholzia californica W. B. Cooke; V. G. Cooke 1963-7-9 34217 Siskiyou Along Memorial Highway at side of road, Mt. Shasta Comment
  JEPS74517  Eucephalus glabratus W. J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake Basin , Trinity Alps 1920 Comment
  JEPS109885  Eucephalus tomentellus Dean W. Taylor 2005-8-18 19474 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  CAS-BOT-BC202763  Euonymus occidentalis Doris K. Kildale 1928-7-3 5456 Siskiyou 8 miles east of Forks of Salmon on road to Little North Fork Salmon River Comment
  UC635626  Euonymus occidentalis var. occidentalis Dorothy Tebbe 1929-7-14 35 Siskiyou Salmon Mts. Comment
  UC1971261  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou KLAMATH RIVER: Walker (near Oak Knoll). Comment
  CDA34223  Euphorbia oblongata Jodi Aceves 2010-8-3 PDR# 1414045 Siskiyou At Klamath River, upstream from Somesbar. 0 Comment
  UC166579  Eurybia radulina Geo. D. Butler 1908-8-10 994 Siskiyou Shackelford Creek Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC25453  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5650 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC278882  Festuca occidentalis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC43046  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2760 Siskiyou Along Specimen Creek. 915 Comment
  HSC99293  Festuca occidentalis Gail Newton 1980-6-20 487 Siskiyou Near Bald Mtn. 1097 Comment
  HSC75129  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-16 10148 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  UC1265441  Festuca rubra F. W. Oettinger 1969-9-2 1585 Siskiyou near Tom TayloR Cabin (w Siskiyou County); Salmon Mountains, Bear Meadow 2026 Comment
  UCD66368  Festuca rubra Geo. D. Butler 1909-6-13 829 Siskiyou Moffitt Creek. Comment
  UC166620  Fragaria vesca Geo. D. Butler 1908-6-27 496 Siskiyou Forest House Mountain Comment
  UCD113261  Fragaria virginiana Wm. E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. Comment
  UC375379  Fragaria virginiana subsp. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek Log Lake Meadows (edge of Log Lake Meadows) Comment
  HSC26240  Frangula californica J. P. Smith, J. O. Sawyer 1972-9-13 5791 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC100316  Frangula californica subsp. californica J. P. Smith, J. O. Sawyer 2011-7-21 13027 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC53413  Frangula californica subsp. occidentalis W. R. Dudley 1892-6-23 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  HSC99921  Frangula purshiana subsp. purshiana J. O. Sawyer, & R. J. Cole 2010-6-26 4608 Siskiyou Along Beaver Creek Road, Klamath National Forest. 1011 Comment
  CAS-BOT-BC55722  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 mi. No. of Mt. Shasta City on the Pacific Highway 1219 Comment
  HSC46049  Fritillaria recurva Maralyn O'Meara 1974-5-25 428 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  JEPS61952  Fritillaria recurva L. S. Smith 1917-5-10 Siskiyou near Sisson (Shasta National Forest); Shasta National Forest Comment
  CDA39329  Fritillaria recurva G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2599 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  UC888785  Galium bolanderi A. A. Heller 1915-8-26 12249 Siskiyou foot of mt. Mt. Eddy, Wagon Creek 1127 Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  POM78084  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain 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
  CHSC26180  Gayophytum heterozygum J. P. Kroessig 1977-8-5 51 Siskiyou At McBride Springs Campground, ca 4.5 km n of Mt Shasta City, at base of Mt Shasta. 1460 Comment
  HSC16395  Gayophytum humile R. C. Wunner 1965-6-7 113 Siskiyou Lava Beds N.M., 0.5 mi. from Indian Well Campground on road to Dragon Head Cave Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS47042  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou McCloud River Comment
  SEINET10741189  Gentiana calycosa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 878 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
  POM130546  Gentiana calycosa E. B. Copeland 1903-9-7 3879 Siskiyou Mt. Eddy. Comment
  HSC34271  Gentiana plurisetosa J. P. Smith, J. O. Sawyer 1973-8-14 7320 Siskiyou W of Cliff Lake 1982 Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC618838  Geum macrophyllum W. Bridge Cooke 1938-7-1 11119 Siskiyou Mount Shasta, Bear Springs Bear Springs; Mount Shasta, Bear Springs 1524 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  NY214735  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CHSC29309  Gnaphalium palustre J. D. Prouty; A. W. Ratcliff 1979-8-2 79 .93 Siskiyou Vernal pool, roadside, Hwy. 49, ca. 20 mi ne of jct. with Hwy. 89. 1645 Comment
  HSC97385  Goodyera oblongifolia A. Montalvo, J. D. Ackerman 1974-8-16 418 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  RSA150572  Goodyera oblongifolia Lee W. Lenz 1961-6-22 24362 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  UC1585405  Goodyera oblongifolia R. Raiche, K. Zadnik and H. Forbes 1989-3-10 Siskiyou at Cook and Green Pass, Siead Valley Road, [UCBG 55] Green Pass; Siead Valley Road, Cook Pass, Green Pass 1425 Comment
  HSC24600  Grayia spinosa R. C. Wunner 1965-6-13 158 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague 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
  SEINET3890709  Habenaria dilatata var. leucostachys W. J. Ferlatte 1966-1 Siskiyou Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  HSC82261  Hackelia californica Thomas W. Nelson, Jane P. Nelson 1980-7-5 5978 Siskiyou Fowler's Campground 1006 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  SJSU11499  Hackelia californica M. D. Fleschner 1965-7-13 Siskiyou W of Deadhorse Summit of State Rte 89 c. 6 mi SW of Bartle Comment
  RSA12592  Hackelia californica C. B. Wolf 1934-7-6 5994 Siskiyou 4 miles from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  HSC22136  Hackelia micrantha J. O. Sawyer 1969-7-24 1199 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  UC1186469  Hackelia micrantha John H. Weiler, A. P. Nelson 1960-6-26 60223 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC19532  Hastingsia alba J. O. Sawyer 1969-7-18 1366 Siskiyou E of Waterdog Lake 2012 Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC504614  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  POM148055  Hastingsia alba J. B. Feudge 1927-7-22 1630 Siskiyou Ney Spring, Mt. Shasta City Comment
  RSA299411  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson. 1098 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  HSC103903  Hazardia whitneyi var. discoidea Dana York, Richard Helliwell 2010-9-11 3010 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC306354  Helenium L. E. Smith 1914-7-6 752 Siskiyou Cantara Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306750  Helenium bigelovii David D. Keck 1938-8-8 4867 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC306736  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  RSA654056  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou Slopes of Gumboot Lake, headwater of the S fork of Sacramento River 1921 Comment
  HSC82585  Helianthella californica Thomas W. Nelson, Jane P. Nelson 1979-5-26 4710 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  HSC26927  Helianthus bolanderi J. P. Smith, J. O. Sawyer 1971-9-18 4837 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  JEPS81656  Hemizonella minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2296 Siskiyou on US 97 0.8 mi s Bray Junction; Murphy Wells 1493 Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  OBI75226  Hemizonella minima David J. Keil, with Kathleen Keil and Sue Walker 2011-7-15 31058 Siskiyou Cascade Range. Near foot of Mount Shasta in Weed. 1146 Comment
  SFV4041  Hemizonella minima J. M. Tucker 1963-7-4 3695 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  JEPS101011  Hesperolinon micranthum Dean W. Taylor 1987-6-24 9051 Siskiyou Tom Young Flat 1280 Comment
  UCD77767  Hesperolinon micranthum Robert E. Preston 2002-6-22 1884 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  SEINET3166685  Heterotheca oregona var. rudis Unknown 1986-8-16 8481 Siskiyou Forest Hwy 93, 19.6 km E of Salmon Forks, W of Sawyer's Bar, by Forest Service Rd. 40N42 Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  CAS-BOT-BC420702  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  JEPS15404  Heuchera merriamii Douglas Barbe 1955-7-9 159 Siskiyou s shore of Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  JEPS36677  Hieracium albiflorum Geo. D. Butler 1908-7-20 330 Siskiyou w side Humbug Mountain Comment
  RSA237426  Hieracium greenei Frederick W. Oettinger 1969-8-18 1437 Siskiyou Horse Range Lake Basin to English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CHSC360  Hieracium scouleri V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC44720  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC152384  Holodiscus discolor var. discolor John Thomas Howell 1939-8-6 15106 Siskiyou Elk Mt., Marble Mts. Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  CHSC86644  Hordeum brachyantherum subsp. brachyantherum Jenny Marr 1993-7-1 27 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA216102  Hordeum depressum Javier Penalosa 1967-3-26 2992 Siskiyou Vernal Pools Natural Area in Valley Grassland 4.5 miles ENE of Pixley 84 Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143944  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle 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
  RSA120910  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA32904  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  SEINET7042830  Horkelia daucifolia 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
  HSC60168  Horkelia daucifolia var. daucifolia J. P. Smith 1976-5-21 8766 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS47181  Horkelia fusca subsp. parviflora W. L. Jepson 1940-6-28 20053 Siskiyou McCloud 990 Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 Comment
  UC1584622  Horkelia fusca subsp. parviflora Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9859 Siskiyou Hambone Hambone SW 15' quad 1341 Comment
  UC574869  Horkelia fusca subsp. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC860237  Horkelia tridentata subsp. tridentata A. A. Heller 1916-8-24 12565 Siskiyou near Sisson 1077 Comment
  UC705694  Hulsea nana Marion Ownbey and Fred G. Meyer 1940-7-4 2192 Siskiyou on ridge above the head of Brewer Creek; Mt. Shasta Comment
  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UCSB24801  Hydrophyllum tenuipes Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake; 1.0 mile southeast of Castle Lake; 10 miles south of the city of Mt. Shasta 1828 Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  HSC93047  Hypericum anagalloides Jennifer Whipple 1976-7-23 1526 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  CAS-BOT-BC400985  Hypericum anagalloides Doris K. Kildale 1928-7-4 5526 Siskiyou 1 1/2 miles east of Summit between Sawyers Bar & Etna Mills Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UCSB10258  Hypericum perforatum Myrick, Donald 1964-7-25 Siskiyou near Shasta Royal Inn; Dunsmuir 762 Comment
  HSC225  Ipomopsis aggregata William J. Ferlatte 1966-6-22 86 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SD46432  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  UC52432  Ipomopsis aggregata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  HSC42959  Iris tenuissima J. O. Sawyer, K. T. Stillman 1976-5-30 2756 Siskiyou Along Specimen Creek. 915 Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  CDA3771  Isatis tinctoria T. C. Fuller 1958-6-18 1792 Siskiyou Highway 96 above Klamath River, 6 miles west of Seiad Valley. 0 Comment
  JEPS95828  Isatis tinctoria Vernon H. Oswald and L. Ahart 1999-7-5 9804 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn.: T42N R6W Sect. 34, 3900 ft, mixed oak-conifer woodland 1188 Comment
  UC705864  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou sw of Yreka (Soap Ridge Road); Soap Ridge Road Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  JEPS13904  Isatis tinctoria unknown 1912-1 Siskiyou Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  RSA211494  Isoetes howellii William J. Ferlatte 1966-8-3 281 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  UC1094398  Isoetes howellii R. C. Bacigalupi with S. Galen Smith 1957-6-27 5971 Siskiyou 2 mi. s. Weed (along Hwy. 99) 1036 Comment
  SD249070  Isoetes occidentalis Daniel Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  UCR266170  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail, Paradise Lake 1865 Comment
  CAS-BOT-BC109978  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  HSC61923  Juncus acuminatus Ruby Van Deventer 1959-1-9 Siskiyou Poker Flat 1585 Comment
  RSA577914  Juncus balticus subsp. ater L. C. Wheeler 1935-6-23 3593 Siskiyou Shasta River, 2 miles NW Montague. 884 Comment
  JEPS96984  Juncus confusus Dean W. Taylor 1999-8-12 17312 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC637095  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 457 Comment
  HSC74840  Juncus effusus subsp. pacificus J. P. Smith, J. O. Sawyer 1978-7-3 10009 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS66976  Juncus ensifolius Geo. D. Butler 1908-8-28 80 Siskiyou Oro Fino Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC62454  Juncus ensifolius Ruby Van Deventer 1959-7-10 Siskiyou Twin Valley 1524 Comment
  JEPS102935  Juncus howellii L. P. Janeway 2002-7-12 7630 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
  UC618818  Juncus nevadensis F. J. Hermann 1938-7-1 11162 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  JEPS121619  Juncus nevadensis var. nevadensis Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  POM111047  Juncus nevadensis var. nevadensis Geo D. Butler 1910-6-20 1594 Siskiyou Yreka. Comment
  CHSC105449  Juncus occidentalis Peter F. Zika 2008-7-21 23927 Siskiyou Klamath Range. E side of I-5, near Exit 732, Dunsmuir. 770 Comment
  UC167844  Juncus orthophyllus C. B. Bradley 1879-1 Siskiyou Comment
  JEPS84175  Juncus tenuis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Greene Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC80910  Juniperus W. B. C. 1940-6-4 15007 Siskiyou near the Bolam Road 1219 Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  HSC59712  Juniperus communis var. jackii Clark L. Miller 1978-10-21 78 Siskiyou French Camp Rd. off Hwy. 199 E of Hwy. 101 549 Comment
  RSA129450  Juniperus communis var. montana H. A. Jensen 1933-10-5 360 Siskiyou Slope of Shastina; Shasta National Forest 2591 Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA105315  Juniperus occidentalis var. occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou Highway 99, 2 miles south of Gazelle 915 Comment
  SEINET11056608  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2340 Siskiyou Scott Mountains, Willow Creek, on road to Callahan 5 road miles SW of Gazelle. 933 Comment
  SEINET11056610  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2341 Siskiyou Scott Mountains, head of Willow Creek, at pass and junction with FR 41N03. 1512 Comment
  SDSU2874  Kalmia polifolia Harvey 1939-7-28 2499 Siskiyou Mt. Shasta. Comment
  UC1409438  Kalmia polifolia subsp. microphylla Frederick W. Oettinger 1968-8-1 348 Siskiyou along inlet to Little Hancock Lake (in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  RSA537375  Keckiella corymbosa Walter Wisura, J. Romero 1991-10-18 4598 Siskiyou Salmon River, 3.4 mi E of Sommes Bar, on exposed rock face. Comment
  CAS-BOT-BC246175  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  RSA238771  Keckiella lemmonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1211 Siskiyou Hot area on English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  SEINET12628769  Kelloggia galioides G. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC340363  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Klamath National Forest. Dead Cow Creek 1828 Comment
  CAS-BOT-BC340419  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC341694  Lagophylla ramosissima Doris K. Kildale 1928-7-25 5866 Siskiyou Klamath River between Gottville & Brown's Resort Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC398681  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou near w base Mount Shasta (about the base of Black Butte); , Black Butte Comment
  HSC103308  Lathyrus jepsonii subsp. californicus Thomas W. Nelson, Jane Nelson 1983-7-29 7505 Siskiyou Along Forest Service Rd. 41N14, 1.7 mi. N of junction with Callahan-Cecilville County Rd. 1463 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SBBG3356  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2194 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  RSA184761  Lathyrus nevadensis subsp. lanceolatus Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture, Marble Mountains. Comment
  JEPS25650  Lathyrus nevadensis var. nevadensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7292 Siskiyou Poker Flat 1536 Comment
  UC1258450  Lathyrus nevadensis var. nevadensis Maralyn A. Renner 1980-6-26 1177 Siskiyou n edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad. 1389 Comment
  JEPS45873  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mountains, Klamath River, Walker Klamath River; Siskiyou Mountains, , Walker 518 Comment
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC88928  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  POM41722  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Oro Fino Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  SBBG25822  Leucothoe davisiae D. Myrick 1966-8-10 1519 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC76924  Lewisia cotyledon K. T. Stillman 1976-6-26 138 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC444039  Lewisia cotyledon var. cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High basin Comment
  CHSC1369  Lewisia leeana M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  RSA238300  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou On NW of Lower English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC29446  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  JEPS43207  Lewisia triphylla W. L. Jepson 1907-7-6 2853 a Siskiyou ridge above Cudahay Valley; Marble Mt. Reg. Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC817464  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker Siskiyou Mts., Klamath River 518 Comment
  CDA32479  Leymus triticoides John Nehay, DVM 1961-8-28 Siskiyou Edgewood. 0 Comment
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  JEPS83836  Ligusticum grayi Wayne Roderick July 1976 Siskiyou vicinity Cook & Green Pass (near Horse Tail Falls); Siskiyou Mts. 1463 Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  HSC91458  Lilium kelleyanum Jennifer Whipple 1976-7-24 1570 Siskiyou Dobkins Lake 2073 Comment
  CAS-BOT-BC509360  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  CAS-BOT-BC130815  Lilium pardalinum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  HSC77934  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1501 Siskiyou Near Flint Valley 1402 Comment
  UC3744  Lilium rubescens State Survey 1800-1 1435 Siskiyou Strawberry Valley; Mount Shasta 1219 Comment
  CAS-BOT-BC133018  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1929-7-20 8615 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC133021  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-2 5367 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  UC454445  Lilium washingtonianum subsp. washingtonianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  UC30145  Linanthus filipes W. H. Brewer 1862-9-9 1364 Siskiyou Upper Sacramento, between Camp 97 and 98 Upper Sacramento Comment
  CAS-BOT-BC240390  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-8-8 15421 Siskiyou Moutn Shasta. Along Squaw Valley Creek below the McCloud intake Comment
  RSA0081335  Linnaea borealis subsp. longiflora I. L. Wiggins 1955-7-23 13467 Siskiyou W of China Creek, S side of S fork of Salmon River. 1098 Comment
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA789789  Linum lewisii var. lewisii Rebecca Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose and Dorleska mines. 2134 Comment
  RSA758589  Listera convallarioides Robert F. Thorne 1969-8-2 63395 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  UC585059  Lithophragma campanulatum E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1990 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); above Sulloway Creek 1188 Comment
  HSC77043  Lithophragma glabrum K. T. Stillman 1976-6-25 26 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC435633  Lithophragma heterophyllum Jeanne McFarland; Kathie Meyer; Anne Mullenniex 1995-4-9 51 Siskiyou Off Hwy 96 at Somes Bar, 4 miles north, up Salmon River Hwy at the entrance to Wooley Crk. Trail head 289 Comment
  CAS-BOT-BC317334  Lithospermum californicum L. E. Smith 1913-6-12 362 Siskiyou Sissons Comment
  CAS-BOT-BC325939  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CDA40610  Lithospermum ruderale T. C. Fuller 1977-6-14 20215 Siskiyou West side of Highway 97, 3 km south of Deer Mountain Lodge. 0 Comment
  UC640624  Lomatium engelmannii John Thomas Howell 1937-7-29 13656 Siskiyou between Trinity & Siskiyou co.'s Scott Mt. Comment
  HSC18971  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-6-28 6148 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 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
  UC165425  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou hills near Yreka Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
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Jun 26 2012
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1037477  Lomatium nudicaule Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n Etna (on the middle valley road, Klamath Mountains); Klamath Mountains 883 Comment
  UC165962  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  CDA38336  Lomatium nudicaule G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2786 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  SEINET8756631  Lomatium nudicaule D. Butler 1910-5-18 1359 Siskiyou Near Yreka Comment
  UC1228815  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou roadside flat 5.2 mi. s. Yreka 792 Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  SEINET3154550  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug mountain 1219 Comment
  HSC4902  Lonicera conjugialis J. O. Sawyer 1968-7-22 527 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CDA27194  Lotus crassifolius T. C. Fuller 1967-6-29 16039 Siskiyou South side of Deetz Road, 1 mile west of IS-5 at Black Butte. 0 Comment
  JEPS65135  Lotus crassifolius var. crassifolius W. L. Jepson 1940-7-1 20080 Siskiyou McCloud 975 Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  RSA406231  Lotus oblongifolius var. nevadensis Bonnie C. Templeton 1957-6-21 7749 Siskiyou Near the summit of Mt. Scott. Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC862228  Lotus purshianus var. purshianus A. A. Heller 1916-6-23 12430 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  UC454612  Lotus stipularis I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  POM27064  Lotus unifoliolatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  HSC69245  Luetkea pectinata Maralyn A. Renner 1980-9-1 2710 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UCD113636  Luetkea pectinata Alfred H. Murphy 1960-8-10 60 G Siskiyou Klamath National Forest, below Black Mtn. 2072 Comment
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Apr 3 2015
  SEINET11912604  Luetkea pectinata Unknown 1986-1 60359 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt. above Hello Cyn 1798 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  RSA119492  Lupinus C. P. Smith 1947-5-13 47276 Siskiyou 6.3 miles east of Weed. Highway 97. Comment
  HSC71449  Lupinus adsurgens J. P. Smith, Steve Selva 1970-8-8 4565 Siskiyou Comment
  RSA166287  Lupinus adsurgens var. adsurgens Donald Myrick 1961-6-21 303 -A Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99. 1372 Comment
  JEPS94882  Lupinus albicaulis var. shastensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9184 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  CDA16170  Lupinus albifrons G. F. Hrusa, T. D. Wilfred 1999-5-31 15069 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  CAS-BOT-BC195964  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1934-4-20 1777 Siskiyou Near Yreka Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  CAS-BOT-BC196326  Lupinus albifrons var. flumineus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River near mouth of Scott River Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  HSC77064  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  UC1409231  Lupinus breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou rocky ridge e English Peak Lookout (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2209 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  RSA256013  Lupinus breweri var. breweri Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC215199  Lupinus croceus F. J. Kirby 1958-7-1 1195 Siskiyou At summit, 10 miles S of Callahan 1524 Comment
  SEINET10838173  Lupinus croceus Herbert L. Mason 1947-5-17 Mason 14759 Siskiyou In woods along scott mt. Rd., 5 Mi. S of callahan. 1463 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  UC2062868  Lupinus klamathensis M. L. Conrad, Dunn, and Morris 1973-6-1 6964 Siskiyou Road cut, 0.1 mile north of Hornbrook. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  RSA237940  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, near Tobacco lake. 1890 Comment
  RSA261441  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  UC796665  Lupinus lepidus var. sellulus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11759 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  UCSB16736  Lupinus leucophyllus 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  JEPS83252  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  CAS-BOT-BC7542  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  UC642537  Lupinus polyphyllus var. burkei W. Bridge Cooke 1939-6-23 13514 Siskiyou upper end Bear Springs Meadows (Mount Shasta); Mount Shasta Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  NY16055  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
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Jan 23 2011
  CAS-BOT-BC344008  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath National Forest. Klamath River 548 Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  POM362231  Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1860 Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  RSA264977  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mountain, near Seiad Valley 1756 Comment
  HSC18915  Maianthemum stellatum J. O. Sawyer 1968-6-18 239 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC514183  Maianthemum stellatum Ira L. Wiggins 1955-7-23 13478 Siskiyou Banks of China Creek 1097 Comment
  SEINET7073521  Malacothrix floccifera A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  SEINET11601609 Image available Malacothrix floccifera L. Constance 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  HSC31095  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou Marble Mtn. Wilderness Area, N side of Tom Lake Basin. 1951 Comment
  CAS-BOT-BC271105  Melica bulbosa L. R. Short 1933-6-6 75326 Siskiyou Lime Gulch 1219 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  JEPS25669  Melica geyeri Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou 4 air mi nne Preston Peak (Twin Valley, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  CAS-BOT-BC264196  Melica subulata John Thomas Howell 1939-8-3 14953 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  UCD88595  Melica subulata Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat. 1536 Comment
  HSC15008  Melilotus albus D. M. Thomson 1965-7-1 121 Siskiyou Lava Beds National Monument, Cave Loop Dr., near hdq. parking lot Comment
  HSC71444  Melilotus albus J. P. Smith, Steve Selva 1970-8-9 4577 Siskiyou In potato fields W of Macdoel. Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  RSA239286  Mentzelia laevicaulis Frederick W. Oettinger 1966-7-20 33 Siskiyou Between Cecilville General Store and post office, along Cecilville to Callahan road. Comment
  UCSB25034  Mertensia oblongifolia Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  CAS-BOT-BC428555  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. divide above Granite Creek. Comment
  CAS-BOT-BC322667  Microseris laciniata K. L. Chambers 1998-6-16 6132 Siskiyou Copco Road west of Iron Gate Reservoir 1.2 miles north of Klamath River bridge at Iron Gate Dam Comment
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  RSA237549  Mimulus alsinoides Frederick W. Oettinger 1969-7-10 959 Siskiyou Cliff above southwest end of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  UC164370  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek Comment
  POM43513  Mimulus guttatus Geo. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  RSA126053  Mimulus guttatus I. L. Wiggins 1955-7-22 13444 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC34312  Mimulus lewisii J. P. Smith, J. O. Sawyer 1973-8-15 7325 Siskiyou N of Angel Lake 2012 Comment
  RSA237575  Mimulus lewisii Frederick W. Oettinger 1969-8-21 1477 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  JEPS86952  Mimulus nanus var. nanus David M. Thompson 1988-6-5 934 Siskiyou near Old Station (around entrance to Subway Cave, just n of juct of Hwy 44 and Hwy 89) 1280 Comment
  UC1177937  Mimulus nanus var. nanus Francia Chisaki, Gene B. Newcomb 1958-6-22 1159 Siskiyou 9.6 mi from Ft. Jones (between Ft. Jones and Gazelle, on road 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  POM61804  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  UC1023727  Mimulus primuloides Francis W. Pennell 1940-7-20 26202 Siskiyou w Bartle (Route 89) 1158 Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  CDA41829  Mimulus primuloides var. linearifolius T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  UC27095  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC174738  Minuartia nuttallii Alice Eastwood 1923-5-23 11923 Siskiyou Cantara, S.P.R.R. Comment
  HSC2380  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit 2134 Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  HSC99989  Minuartia stolonifera Thomas W. Nelson, & Sydney Carothers 2005-7-17 9382 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  CAS-BOT-BC433018  Mitella diversifolia Antone Q. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC433021  Mitella diversifolia Alice Eastwood 1923-5-18 11833 Siskiyou Shasta Springs Comment
  HSC23548  Mitella diversifolia J. O. Sawyer 1970-7-3 2317 Siskiyou 1402 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  UC637056  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp-Waldo (Oregon) Road Klamath Nat. For., West Branch of Indian Creek watershed 1463 Comment
  RSA183701  Mitella trifida Gilbert Muth 1965-8-18 236 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  SJSU2558  Moehringia macrophylla H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & its W branch, Siskiyou Mts 1143 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  RSA233677  Monardella odoratissima Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38994 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UC25494  Monardella odoratissima subsp. glauca J. W. Morse Jul 1886 Siskiyou Shasta Comment
  CAS-BOT-BC220367  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-1 796 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  HSC69378  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-19 3683 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  JEPS63423  Monardella odoratissima subsp. pallida W. L. Jepson 1937-7-30 18538 Siskiyou Summit Siskiyou Mts., near Poker Flat. 1554 Comment
  UC1483504  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-21 3836 Siskiyou North of FS Road 44N01 near intersection with road to Lava Camp; Klamath National Forest, Medicine Make Quad. 1676 Comment
  RSA238539  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1967-8-20 293 Siskiyou along the wet meadow & alder thicket of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC445211  Montia parvifolia Doris K. Kildale 1928-7-3 5420 Siskiyou Forks of Salmon, Salmon River Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  RSA654054  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  UC1059006  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou banks of mt. stream on lower slopes White Ridge; Canyon of the South Fork of the Sacramento River 1371 Comment
  RSA273301  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou West of Macdoel. Comment
  CAS-BOT-BC267045  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  HSC22448  Muhlenbergia filiformis J. O. Sawyer 1969-8-18 1978 Siskiyou S Sugar Lake Creek 1829 Comment
  POM206718  Muhlenbergia filiformis Copeland 1903-9-5 3800 Siskiyou Igerma, N. Cal Comment
  UCD86588  Muhlenbergia filiformis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  HSC100793  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou N side of water ditch, ~30 yd. S of the Shasta River, ~80 yd. W of the pipe across the river, ~200 yd. E of East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  SBBG60476  Myosotis laxa L. Ahart with J. Dittes 2010-7-30 16944 Siskiyou N side of a water ditch, at the edge of the dry upland, ca. 30 yards S of the Shasta River, ca. 80 yards W of the pipe across the Shasta River, ca. 200 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 m Comment
  JEPS105222  Myosurus minimus subsp. major Dean W. Taylor 1995-6-4 14963 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  POM215850  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  JEPS25579  Nama lobbii Rimo Bacigalupi 1959-7-1 7206 Siskiyou western slopes broadening base Mt. Shasta 1706 Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  HSC30636  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  JEPS101668  Navarretia intertexta subsp. propinqua Dean W. Taylor 1999-6-9 17245 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS81654  Navarretia leucocephala subsp. leucocephala L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  CHSC88098  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 108 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  CAS-BOT-BC60576  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 1266 Siskiyou North slope Scott Mountain. 1524 Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. 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
  HSC27252  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-7 5284 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  UCD110192  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. 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
  UCD127737  Oenanthe P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  CHSC4525  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 57 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  RSA530118  Orcuttia tenuis D. W. Taylor 1988-6-23 9861 Siskiyou 5 miles north of Timbered Crater, 1 mile SE of Adobe Flat. 1098 Comment
  HSC96301  Oreostemma alpigenum Gordon Leppig 1998-8-14 1013 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  UC455562  Orobanche fasciculata I. J. Condit 1911-7-27 Siskiyou Castle Lake. Comment
  HSC37539  Orogenia fusiformis J. P. Smith 1974-5-26 7584 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC458087  Orthilia secunda Doris K. Kildale 1928-8-18 6450 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  CAS-BOT-BC458098  Orthilia secunda H. A. Thomas; J. H. Thomas 1954-7-21 4421 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  RSA0083194  Orthilia secunda E. K. Balls 1949-7-10 13962 Siskiyou 8.6 miles from Sawyers Bar on way to Cecilville. 762 Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  UCR9021  Orthocarpus copelandii Donald Myrick 1966-8-8 1481 Siskiyou Trinity Alps, Dry flat at Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC266619  Orthocarpus cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou Shovel Creek, near Beswick 1011 Comment
  UCR244767  Orthocarpus cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 mi. on Forest Service Rd. 70, off US Hwy 97 toward Oregon 1956 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  RSA123541  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1955-7-26 291 Siskiyou Northwest shoulder of Scott Mtn. 2012 Comment
  SEINET13756769  Orthocarpus cuspidatus subsp. cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  SBBG25956  Osmorhiza berteroi D. Myrick 1966-8-10 1530 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC412592  Osmorhiza berteroi Milo S. Baker 1898-8-1 505 Siskiyou on bluff sw Medicine Lake Comment
  UC61183  Osmorhiza berteroi W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  HSC22167  Osmorhiza berteroi J. O. Sawyer 1969-7-1 965 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  CAS-BOT-BC413218  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-28 5888 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC413221  Oxyria digyna John Thomas Howell 1939-8-10 15253 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  CDA3569  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  UCD96008  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle. Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  UCR70823  Parnassia palustris var. californica L. C. Wheeler 1934-8-14 3127 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CHSC106095  Pastinaca sativa Lowell Ahart; John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southwest of Grenada. 716 Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  SBBG4074  Paxistima myrsinites H. and M. Dearing 1939-7-1 3774 Siskiyou W of Etna on Etna Crk 1219 Comment
  UC169888  Paxistima myrsinites Harley P. Chandler June, 1901 1632 Siskiyou ridges & meadows near Marble Mt. (Klamath River to Marble Mt.); North Coast Ranges 2133 Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UC1409425  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou High Lake Basins in vicinity of English Peak (in base camp meadow); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS74420  Pedicularis contorta W. J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  JEPS23802  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UC195478  Pedicularis racemosa A. A. Heller 1914-8-28 11726 Siskiyou e side Mount Eddy 1524 Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  SEINET8671726 Image available Pellaea brachyptera William Bridge Cooke 1937-1 9110 Siskiyou Mount Shasta 1524 Comment
  UC922337  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1949-7-28 5873 Siskiyou Sky High Valley Marble Mountains, Sky High Valley 1767 Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  UC1238934  Penstemon cinereus Freed W. Hoffman 1948-7-13 2651 Siskiyou 8.4 mi n of Tennant (on Butte Creek road); North Coast Ranges, n of Tennant 1295 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  RSA309614  Penstemon davidsonii Walter Wisura 1983-9-16 3937 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  CAS-BOT-BC265384  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain 2164 Comment
  CHSC102575  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-3 9887 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2680 Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  SBBG30644  Penstemon deustus D. Myrick 1968-6-27 2037 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  SBBG7140  Penstemon deustus H. and M. Dearing 1939-6-3 3534 Siskiyou near Weed Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  NY591791  Penstemon deustus var. pedicellatus A. A. Heller 1905-6-16 8049 Siskiyou Near Sisson Comment
  SDSU10944  Penstemon gracilentus D. F. Howe 1962-8-9 3412 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC887038  Penstemon gracilentus Alice Eastwood 1912-7-19 1229 Siskiyou Mount Shasta Comment
  SEINET5328440 Image available Penstemon gracilentus K. Vincent, C. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn., on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  UC1187075  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5176 Siskiyou 9 mi s MacDoel (on U.S. 97 between Dorris and Weed); s of MacDoel 1463 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  NY604552  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4439 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 4.4 miles north-northeast of jct. I-5 Business Loop in Weed. 1127.8 Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  RSA300514  Penstemon laetus var. sagittatus John Dourley, Walter Wisura 1982-10-17 3881 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  HSC614  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin 1982 Comment
  UC1190115  Penstemon newberryi var. berryi Ira L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC130622  Penstemon newberryi var. berryi H. M. Hall Jul 1909 8671 Siskiyou head of Salmon River 1645 Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  UC138851  Penstemon newberryi var. newberryi Dr. E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828 Comment
  CHSC1881  Penstemon parvulus E. G. Copeland 1939-7-17 Siskiyou Mt. Eddy. 2133 Comment
  HSC60466  Penstemon parvulus Carl Wishner 1978-7-19 550 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  UC690225  Penstemon parvulus Isabelle C. Kimber 1934-6-9 31 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UC164349  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou Old mining dump near Oro Fino; Old mining dump near Oro Fino Comment
  UC1542736  Penstemon roezlii Barbara Ertter with Thomas J. Delendick 1987-5-17 6974 Siskiyou 1.7 mi n S Fk Scott River bridge (w side Rt 3 n of Callahan); n of S Fk Scott River bridge 914 Comment
  NY650761  Penstemon rupicola C. L. Hitchcock 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mountains, California on Takilma-Happy Camp road. 1828.8 Comment
  CAS-BOT-BC6686  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  RSA12669  Penstemon speciosus Carl B. Wolf 1934-7-6 6025 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC1238957  Penstemon speciosus Freed W. Hoffman 1948-7-12 2615 Siskiyou 1.5 mi w junction of Little Shasta road with Mt. Hebron road; North Coast Ranges Comment
  SEINET13095372  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou West-facing slopes above Trinity River 5 miles north-west of Cecilville. 762 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  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
  HSC401  Perideridia parishii subsp. latifolia William J. Ferlatte 1967-8-17 946 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC418939  Persicaria lapathifolia Carl B. Wolf 1927-8-26 990 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC419259  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Klamath National Forest. Lumgrey Creek 670 Comment
  JEPS75572  Phacelia cookei W. B. and V. G. Cooke 1968-7-1 39233 Siskiyou Andesite Road near junction with U.S. Highway 97 (n base of mt.); Mt. Shasta 1524 Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  UC1229834  Phacelia corymbosa Lauramay T. Dempster and Clare Hardham 1961-7-1 1820 Siskiyou just s Oregon border (e slope, just below peak); White Mountain Comment
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC6867  Phacelia dasyphylla James Downer Culbertson 1904-8-15 s.n. (= no. 4355 of C.F. Baker's distribution) Siskiyou Mt. Whitney 3962 Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  SEINET12280193  Phacelia heterophylla H. P. Chandler 1901-1 1655 Siskiyou Marble Mountain 2438 Comment
  JEPS107411  Phacelia heterophylla subsp. virgata Lowell Ahart, John Dittes 2005-6-9 12026 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC60951  Phacelia heterophylla subsp. virgata Geo. B. Grant September 1902 5174 Siskiyou Sisson Mt. Shasta 914 Comment
  UC718170  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UC726922  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UCSC003070  Phacelia magellanica f. jepsonii Peter Kamb 1948-6-26 1135 Siskiyou Southwest slope of Mt. Shasta above Horse Camp above Horse Camp - Mt. Shasta 671 Comment
  JEPS25595  Phacelia mutabilis Rimo Bacigalupi 1959-7-2 7227 Siskiyou near north base of Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC1483413  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1842 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  HSC75118  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-16 10127 Siskiyou Klamath National Forest, Rd. to Carmen Lake, .2 mi. from its jct. with Hwy. 3 Comment
  UC1586855  Phacelia procera Juha Pykala and D. H. Norris 1987-6-26 2085 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Comment
  UC923132  Phacelia procera Freed W. Hoffman 1950-7-13 3338 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  HSC79335  Philadelphus californicus D. H. Norris 1970-5-23 12239 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA0058053  Philadelphus lewisii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1200 Siskiyou Above Willow Spring, on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC34296  Phleum pratense J. P. Smith, J. O. Sawyer 1973-8-14 7290 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC1736666  Phlox adsurgens Dean W. Taylor 1972-7-3 1590 Siskiyou Cook and Green Pass 1371 Comment
  UCR90864  Phlox adsurgens Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  UCSB14858  Phlox adsurgens Breedlove, Dennis 1961-7-2 Siskiyou 14.0 miles southeast of O'brien on road to Happy Camp; Siskiyou Mountains 1463 Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC23915  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou Marble Mountain North Coast Ranges 2133 Comment
  JEPS69941  Phlox diffusa W. L. Jepson 1940-6-27 20042 Siskiyou e slope Mt. Shasta 1828 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  RSA68854  Phlox diffusa subsp. diffusa A. E. Culbertson 1943-6-26 102 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC164142  Phlox douglasii subsp. rigida Geo. D. Butler 1910-3-13 1127 Siskiyou Klamath Hills Comment
  JEPS25628  Phlox gracilis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7265 Siskiyou Poker Flat 1536 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
  UC1186128  Phlox speciosa subsp. occidentalis Herbert L. Mason 1929-5-18 5331 Siskiyou s of Yreka Comment
  JEPS107652  Phoradendron densum Lowell Ahart, John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 yards northwest 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
  JEPS84213  Phyllodoce empetriformis L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6418 Siskiyou 5 mi n of the town of Seiad Valley (e slope of Kangaroo Mountain, at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC917232  Phyllodoce empetriformis R. Tofsrud and J. M. Tucker 1948-8-2 1767 Siskiyou s slope of Mount Shasta, Panther Meadows Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  UCD117724  Phyllodoce empetriformis R. Tofsrud; J. M. Tucker 1948-8-2 1767 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC56488  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  RSA183728  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Near summit of Marble Rim. 1982 Comment
  UCSB13155  Physocarpus capitatus Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC78175  Picea breweriana John Thomas Howell; Gordon H. True 1972-6-8 48853 Siskiyou south summit on road from Takilma to Happy Camp Comment
  JEPS46725  Picea breweriana W. L. Jepson 1907-7-6 Siskiyou 2 mi w Marble Mt. (at head of stream flowing into Klamath) Comment
  RSA237213  Picea breweriana Frederick W. Oettinger 1967-8-26 334 Siskiyou NE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UC665706  Picea breweriana L. E. Berriman January, 1941 Siskiyou w Callahan (n slopes of peak); North Coast Ranges, Russian Peak 1828 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  UC338690  Pinus balfouriana unknown 1878-7-12 Siskiyou 20 mi w Mt. Shasta (s side of Mt. Eddy); Mt. Eddy Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  HSC36706  Pinus lambertiana Brent Whitely 1975-6-28 103 Siskiyou 915 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-BC78964  Pinus monticola Doris K. Kildale 1928-7-4 5480 Siskiyou summit of Divide between Salmon River + Scott Valley Comment
  HSC69170  Pinus monticola Maralyn A. Renner 1980-8-6 2328 Siskiyou Cracker Meadow 1555 Comment
  HSC69710  Pinus monticola Maralyn A. Renner 1980-7-15 1774 Siskiyou English Lake inlet 1780 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
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  RSA46761  Plagiobothrys bracteatus L. S. Rose 1945-6-18 45101 Siskiyou Horse Creek and Klamath River. 503 Comment
  UCD77290  Plagiobothrys hispidulus Robert E. Preston 2002-6-20 1847 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  SBBG28858  Plagiobothrys hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Crk, Sterling Mtn, Siskiyou Mtns 1676 Comment
  RSA715660  Plantago lanceolata L. Ahart, John Dittes 2005-6-10 12118 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  SBBG25937  Platanthera dilatata var. leucostachys D. Myrick 1966-8-8 1491 Siskiyou rd to Carter Ranch Mtn Meadow Ranch, Big Flat 1584 Comment
  HSC27780  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-21 106 Siskiyou Paines Springs, 2.8 mi. SE of Medicine Lake Comment
  JEPS74458  Platanthera leucostachys W. J. Ferlatte 1966-6-23 141 Siskiyou between campground and S. Fork of the Salmon R. (Trinity Alps, Big Flat); Trinity Alps, Big Flat 1524 Comment
  UC429327  Platanthera leucostachys Milo S. Baker Aug 1897 136 Siskiyou Payne's Springs Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  HSC68463  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1458 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA237639  Platanthera stricta Frederick W. Oettinger 1967-7-26 205 Siskiyou Along trail down to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC890145  Plectritis brachystemon W. Bridge Cooke 1941-6-7 16001 Siskiyou eastern base of Mount Eddy Mount Eddy 1066 Comment
  HSC21687  Plectritis macrocera R. C. Wunner 1965-6-6 57 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  RSA576933  Plectritis samolifolia Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  CAS-BOT-BC261045  Poa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UCD90381  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River. 304 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30667  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou Marble Mtn. Wilderness Area, between Lily Pond and Tobacco Lake. 1921 Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UCD90660  Poa bulbosa John R. Elliott 1958-5-8 s.n. Siskiyou 1 mile northwest of Mt. Shasta (city?). Comment
  UCD90673  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Eureka. Schumacher's Ranch (Geo. Gray). Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  UC1265391  Poa cusickii subsp. purpurascens Frederick W. Oettinger 1969-9-2 1605 Siskiyou above meadow n. side of English Peak; Salmon Mts., High Lake Basins, English Peak vic., Marble Mt. 2164 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  RSA715659  Poa pratensis L. Ahart 2005-6-10 12125 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CHSC91252  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast 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
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  UC618612  Poa pringlei W. Bridge Cooke 1938-9-8 11640 Siskiyou near South Gate Springs; Mt Shasta Comment
  RSA602815  Poa secunda L. C. Wheeler 1935-6-9 3561 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  JEPS117863  Poa secunda subsp. secunda J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -19 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  UC166477  Poa wheeleri Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1676 Comment
  CHSC96026  Polemonium californicum L. P. Janeway 2006-7-3 8754 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  SEINET13762989  Polemonium californicum G. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 Comment
  POM75067  Polemonium carneum Geo D. Butler 1910-5-15 1344 Siskiyou McAdam Creek. Comment
  UC602586  Polemonium pulcherrimum W. Bridge Cooke 1938-9-8 11646 Siskiyou Mt. Shasta 2468 Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  CAS-BOT-BC413949  Polygonum aviculare subsp. aviculare Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow Comment
  CAS-BOT-BC414592  Polygonum douglasii Alice Eastwood 1921-7-28 10877 Siskiyou Medicine Lake Comment
  JEPS83570  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  UC1191239  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-18 13622 Siskiyou Grass Lake Comment
  UC375148  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek Comment
  RSA237761  Polygonum kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Along trail just NW of falls, Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  UC164403  Polygonum persicaria Geo. D. Butler 1908-7-8 194 Siskiyou along creek near Yreka Comment
  CDA17138  Polygonum phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC1408817  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1216 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (base camp, w Siskiyou Co.) 1828 Comment
  RSA0005206  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1967-8-13 260 Siskiyou Near meadow SE of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area, Comment
  CAS-BOT-BC421062  Polygonum spergulariiforme L. E. Smith 1912-8-1 s.n. Siskiyou Yreka Comment
  POM103320  Polygonum spergulariiforme Geo. D. Butler 1908-8-27 189 Siskiyou Humbay Creek Comment
  POM265991  Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC237391  Polypogon monspeliensis L. E. Smith 1914-8-1 s.n. Siskiyou Yreka Comment
  HSC27335  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5709 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC76735  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-6-1 9780 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  UC1495276  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-26 4961 Siskiyou Mud Creek, e side of canyon Mt. Shasta; So. Cascade Mts., Sacramento River Basin 1706 Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  CAS-BOT-BC72394  Polystichum lemmonii Geo. D. Butler 1910-7-1 1756 Siskiyou Shackleford Creek 1371 Comment
  HSC79127  Polystichum lemmonii C. J. Thomas 1983-10-1 75 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72407  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  UC1877814  Polystichum lonchitis J. C. Game with Jeff Greenhouse, Jim Shevock 2004-7-9 5074 Siskiyou on the side of Gray Rock Lake, above the lake, about five miles NW of Castle Crags 1844 Comment
  SEINET10929408  Polystichum munitum Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7017 Siskiyou Matthew's Creek Campground on S fork of Salmon River. 549 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC102765  Populus tremuloides Doris K. Kildale 1928-7-4 5545 Siskiyou 1 1/2 miles east of summit of divide between Salmon River & Scott Valley Comment
  UC1134798  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring; Shasta National Forest, Dunsmuir Quad., Widow Spring Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC445249  Portulaca oleracea Doris K. Kildale 1928-7-25 5884 Siskiyou Klamath River at Mack's Creek near Humbug. Comment
  CAS-BOT-BC267227  Potamogeton robbinsii John Thomas Howell 1939-8-9 15196 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC141858  Potentilla anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Saline Flats, Butte Valley 1280 Comment
  SEINET3156887  Potentilla blasckeana G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  HSC68470  Potentilla breweri Maralyn A. Renner 1980-6-26 1140 Siskiyou Flint Valley. 1390 Comment
  CAS-BOT-BC141967  Potentilla bruceae Gilbert J. Muth 1969-8-8 1275 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC34154  Potentilla flabellifolia J. O. Sawyer 1969-7-18 1391 Siskiyou Head of S Russian Creek 1829 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  CHSC88117  Potentilla glandulosa Jenny Marr 1993-7-1 127 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA237862  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-22 598 Siskiyou Ridge between Diamond Lake and English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS121622  Potentilla gracilis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  JEPS96961  Potentilla gracilis var. elmeri Dean W. Taylor 1997-6-12 16059 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC420577  Potentilla gracilis var. fastigiata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC540574  Potentilla gracilis var. fastigiata Alice Eastwood; John Thomas Howell 1936-6-13 2754 Siskiyou 6 miles north of Weed Comment
  JEPS107392  Potentilla millefolia Lowell Ahart, John Dittes 2005-6-10 12095 Siskiyou Steep springy slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  HSC32245  Primula suffrutescens J. O. Sawyer 1970-8-5 2357 Siskiyou Sawtooth Ridge S of Caribou Lake 2195 Comment
  HSC68391  Prosartes hookeri Maralyn A. Renner 1980-6-26 1249 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69092  Prunella vulgaris Maralyn A. Renner 1980-8-4 2225 Siskiyou Flint Valley 1390 Comment
  HSC67709  Prunella vulgaris subsp. lanceolata John Palmer 1980-7-24 609 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC158221  Prunus emarginata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC158226  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou On the banks of the Sacramento opposite Upper Soda Spring; Between Dunsmuir and Upper Soda Spring 731 Comment
  CAS-BOT-BC158243  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  HSC27464  Prunus emarginata J. P. Smith, J. O. Sawyer 1972-5-28 5377 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC67782  Prunus emarginata J. O. Sawyer, J. Cole 1980-7-21 3849 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 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
  JEPS44971  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug Comment
  POM88103  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC151230  Prunus virginiana var. demissa L. E. Smith 1913-8-12 520 Siskiyou McCloud Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  UC527336  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou near Fish Hatchery at Mount Shasta City (Sisson) Fish Hatchery; Mount Shasta City (Sisson) 1066 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
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UC399468  Pteridium aquilinum var. pubescens Geo. D. Butler 1910-6-6 1462 Siskiyou Quartz Valley Quartz Valley Comment
  HSC27947  Pteridium aquilinum var. pubescens Carl W. Mize 1972-9-24 123 Siskiyou Old rd. past U-turn 816 Comment
  UCD91868  Puccinellia lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3591 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CAS-BOT-BC147903  Purshia tridentata var. tridentata Alice Eastwood 1921-7-25 10804 Siskiyou Bigelows, [Mc Cloud] McCloud R. Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC460857  Pyrola aphylla David D. Keck 1938-8-6 4805 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC465508  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson 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
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC61840  Pyrola dentata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC462797  Pyrola dentata L. E. Smith 1913-6-29 438 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  CAS-BOT-BC462802  Pyrola dentata Marion Ownbey; Fred G. Meyer 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles N of Happy Camp Comment
  UC166593  Pyrola picta Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  UC32712  Pyrola picta Milo S. Baker 1893-1 Siskiyou McCloud River near Bartles; McCloud River Comment
  UC479140  Pyrola picta Marcus E. Jones 1931-7-17 29062 Siskiyou Shasta City Comment
  UC933401  Pyrola picta Annie M. Alexander and Louise Kellogg 1948-9-8 5605 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  UCSB60633  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  POM106330  Quercus garryana var. garryana Geo. D. Butler 1908-8-16 233 Siskiyou Yreka Hills. Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCD47258  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  HSC534  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Yellow Rose Mine 1982 Comment
  HSC69277  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2678 Siskiyou Bear Mtn. 1936 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA237786  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1409374  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou along the trail from English to Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC328128  Raillardella pringlei W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mount Eddy Comment
  POM269587  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 s.n. Siskiyou Bull Meadows 11 miles W of Hwy 97 on road to Montague 1677 Comment
  JEPS60727  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Camp 1524 Comment
  JEPS55078  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  UC454030  Ranunculus occidentalis I. J. Condit 1911-7-7 Siskiyou Dunsmuir; old logging road 914 Comment
  POM100037  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou Scott River. Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA136573  Rhamnus californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
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Jan 24 2013
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  UCD117874  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar Salmon Mountains. 1615 Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 Comment
  UC141199  Rhododendron occidentale A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  CAS-BOT-BC199741  Rhododendron occidentale var. paludosum Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC200397  Rhododendron occidentale var. paludosum Isabelle C. Kimber 1934-6-9 29 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC200399  Rhododendron occidentale var. paludosum Elmer I. Applegate 1895-5-29 299 Siskiyou Sacramento River below Sisson Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  RSA138230  Rhus trilobata var. quinata P. C. Everett, E. K. Balls 1959-10-24 23945 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  CAS-BOT-BC438010  Ribes W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Springs - Sisson Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  JEPS84059  Ribes binominatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6419 Siskiyou ca. 5 mi n Seaid Valley (town) (cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  UC1167541  Ribes binominatum C. R. Quick 1936-8-18 Siskiyou near Oregon State Line (margins of Poker Flat, near summit of Siskiyou Mountains); Klamath National Forest Comment
  CAS-BOT-BC108772  Ribes cereum Alice Eastwood 1921-7-28 10896 Siskiyou Little Mount Hoffman. Comment
  JEPS95064  Ribes cereum var. cereum Vernon Oswald and Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat (3.9 mi s of Medicine Lake Road); Forest Route 15 1700 Comment
  JEPS24023  Ribes lacustre Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6885 Siskiyou 2 1/2 mi ne Poker Flat; Siskiyou Mountains 1463 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  UC144316  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  UC60939  Ribes nevadense Geo. B. Grant September, 1902 5227 Siskiyou Shasta Springs Mount Shasta 609 Comment
  HSC68575  Ribes roezlii Maralyn A. Renner 1980-6-23 978 Siskiyou W Fork Seiad Creek 878 Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  CAS-BOT-BC199984  Ribes roezlii var. cruentum Alice Eastwood; John Thomas Howell 1937-6-26 5046 Siskiyou Salmon Mts. near Taylor Creek Comment
  UC166612  Ribes roezlii var. cruentum Geo. D. Butler 1909-5-31 780 Siskiyou Humbug Creek Comment
  RSA0024596  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC90031  Ribes velutinum Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 35 Siskiyou W side of Hwy. 3, 0.6 mi. N of its intersection with Cecilville Rd. 1024 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA0020884  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges along Klamath River. Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET13942855 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16047 Siskiyou along the Sisson Southern Trail in creeks and fir woods, Mt. Shasta elev 5500 Comment
  CAS-BOT-BC362935  Rigiopappus leptocladus Alice Eastwood 1912-7-20 1261 Siskiyou Hornbrook Comment
  CHSC734  Romanzoffia sitchensis M. Yoder 1941-7-11 Siskiyou Castle Lake. 1981 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7665341  Rosa californica G. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  CAS-BOT-BC147054  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147075  Rosa pisocarpa A. A. Heller 1920-8-11 13507 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC90551  Rosa pisocarpa Jennifer Whipple 1977-8-6 2203 Siskiyou W side of Dobkins Lake 2073 Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  UC1409338  Rosa pisocarpa subsp. ahartii Frederick W. Oettinger 1969-8-16 1408 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC147138  Rubus glaucifolius Geo. D. Butler 1908-7-14 1042 Siskiyou Humbug Mountain Comment
  UC375393  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug Mountain Comment
  HSC29374  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; NW of Little English Lake 1890 Comment
  SEINET7706892  Rubus parviflorus G. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  HSC73299  Rubus ursinus M. A. Baker 1980-6-20 2214 Siskiyou Near Bald Mtn. 1036 Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  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
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  HSC33984  Rumex acetosella J. P. Smith 1974-5-25 7473 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA237971  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 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
  HSC31036  Rumex crispus Frederick W. Oettinger 1969-8-13 1362 Siskiyou Marble Mtn. Wilderness Area, English Lake 1753 Comment
  CAS-BOT-BC433694  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  RSA126337  Sagina decumbens subsp. occidentalis I. L. Wiggins 1955-7-22 13445 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA237784  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-4-19 1467 Siskiyou Near Abbots. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  UC935739  Sagittaria cuneata Calvin McMillan and Malcolm A. Nobs 1949-6-17 799 Siskiyou Grass Lake; Highway 97 Comment
  CAS-BOT-BC103368  Salix bonplandiana Gordon H. True 1968-8-6 4579 Siskiyou just N of Yreka on Yreka-Ashland Highway 807 Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  JEPS84289  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  POM107070  Salix exigua Geo. D. Butler 1909-9-20 1082 Siskiyou Yreka Creek. 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
  UC1045276  Salix exigua var. hindsiana W. Bridge Cooke 1940-6-20 15156 Siskiyou along Pacific Hwy. in Klamath River gorge Klamath R. gorge 609 Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  HSC75712  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  LA208808  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 411 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  UC163727  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125448  Salix lasiandra var. lasiandra Alice Eastwood 1921-7-25 10828 Siskiyou [Bigelows] Bigelow, McCloud River 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-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107071  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1500 Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  POM219895  Salix lasiolepis H. P. Bracelin 1931-6-19 422 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1500 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  RSA238010  Salix lucida subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou W of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  SBBG29032  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  SBBG57839  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  CAS-BOT-BC126153  Salix scouleriana L. E. Smith 1913-4-2 620 Siskiyou Sisson Comment
  CAS-BOT-BC129046  Salix scouleriana W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak, near spring Comment
  HSC68376  Salix scouleriana Maralyn A. Renner 1980-6-26 1212 Siskiyou N edge of Flint Valley 1390 Comment
  LA208916  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City; at bridge, about 1.3 km E of Burney Mill 1110.0 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  UC482262  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  UC576386  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 862 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at first bridge, n. base Mt. Eddy); n. base Mt. Eddy Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  HSC28675  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  UC1252124  Salvia dorrii var. dorrii Garrett Smathers 1964-7-16 Siskiyou Black Crater Trail; Lava Beds National Monument Comment
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Nov 22 2007
  POM210953  Sambucus microbotrys L. C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  HSC58855  Sambucus nigra subsp. caerulea Marvin Butler 1971-1 241 Siskiyou Near Copper Mtn., close to the town of Cave Junction. 1464 Comment
  UC1733770  Sanicula Kay H. Beach 1940-5-15 631 Siskiyou Bull Meadows Comment
  CAS-BOT-BC223228  Sanicula bipinnatifida H. A. Thomas; J. H. Thomas 1954-7-21 4403 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  HSC76633  Sanicula graveolens K. T. Stillman 1976-6-25 30 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  UCD118035  Sarcodes sanguinea D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness Area. 1554 Comment
  RSA445294  Satureja douglasii M. B. Dunkle 1944-7-15 9103 Siskiyou Siskiyou National Forest. Comment
  CHSC114398  Saussurea americana D. H. Shaw; T. C. Fuller 1974-9-24 20045 Siskiyou S.W. slope of White Mtn., Siskiyou Mts. Comment
  CAS-BOT-BC436883  Saxifraga bronchialis subsp. austromontana Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  JEPS43051  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Camp at Marble Mountain Valley 1676 Comment
  UCD102947  Saxifraga fragarioides Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Near top of Marble Mountain, Marble Mountains. 2225 Comment
  JEPS43065  Saxifraga marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou near Upper Cottei [i.e., Cuddihy] Valley; Marble Mountains, North Coast Ranges Comment
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Jun 23 2010
  RSA261470  Saxifraga nidifica var. claytoniifolia J. M. Tucker 1963-7-7 3727 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC445873  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Canyon; Klamath Forest 1889 Comment
  CAS-BOT-BC445882  Saxifragopsis fragarioides C. G. Pringle 1883-9-1 s.n. Siskiyou Unspecified. Comment
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC243490  Sclerochloa dura C. S. Giebner 1963-5-6 s.n. Siskiyou Sedge Nelson prop., opposite Game Refuge, Big Springs, Shasta Valley Comment
  HSC44712  Scutellaria antirrhinoides J. O. Sawyer, E. Cope 1977-6-18 2918 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC164006  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  HSC63624  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-6-14 3867 Siskiyou Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  UC1713597  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  CAS-BOT-BC240100  Secale cereale W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34330 Siskiyou Along highway, Memorial Highway, Mt. Shasta Comment
  HSC61169  Sedum divergens Al Hobart 17 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC64653  Sedum kiersteadiae A. A. Heller 1920-6-29 13401 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 2194 Comment
  HSC23663  Sedum lanceolatum J. O. Sawyer 1969-7-2 1003 Siskiyou E of Twin Lakes 2195 Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  CHSC64431  Sedum oregonense J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5676 Siskiyou Kangaroo Mtn. Above Toehead Lake. 1889 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  UCR246359  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25643 Siskiyou Klamath Range (KR), above Forest Service Road 1055, 0.4 road miles above and S of junction with FS Road 1050; 2 air miles WSW of Stein Butte, Siskiyou Mountains 680 Comment
  SEINET8552455  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  HSC36874  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC91206  Senecio fremontii Jennifer Whipple 1976-7-24 1560 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  CAS-BOT-BC341178  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest foothills Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CHSC88780  Senecio integerrimus var. exaltatus Jenny Marr 1993-7-1 195 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  SD52959  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U. S. Highway 97, 12.3 miles south of Macdoel. Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC67865  Senecio integerrimus var. major J. P. Smith 1976-5-5 8676 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC195243  Senecio integerrimus var. major Annie M. Alexander and Louise Kellogg 1911-6-24 182 Siskiyou Jackson Lake 1798 Comment
  HSC23649  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 934 Siskiyou Along Duck Lake Creek trail 1905 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  OBI55440  Senecio sylvaticus David J. Keil 1992-7-20 23499 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest rd 46N64, 6.5 mi W of Scott river Rd, 1 mi S of turnoff to Lover's camp Comment
  HSC76653  Senecio triangularis K. T. Stillman 1976-7-23 298 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC108920  Sidalcea malviflora subsp. asprella Mrs. K. Brandegee Jul 1889 Siskiyou Sisson's Comment
  CAS-BOT-BC205784  Sidalcea oregana Donald Myrick 1961-6-20 293 Siskiyou On Old McCloud Road to Bear Springs just east of Mt. Shasta City Comment
  JEPS75882  Sidalcea oregana subsp. spicata W. J. Ferlatte 1966-8-2 227 Siskiyou S Fork Salmon R , S Fork Salmon R (Trinity Alps) 1524 Comment
  RSA68870  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-1 86 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
  SEINET9004861  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-17 1728 Siskiyou Oro Frisco. Comment
  HSC4177  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Comment
  HSC52161  Silene campanulata subsp. glandulosa Marvin Butler 1971-7-12 105 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1464 Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 Comment
  HSC68017  Silene campanulata subsp. greenei J. P. Smith, Steve Selva 1970-6-14 3866 Siskiyou Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388951  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  CAS-BOT-BC388956  Silene grayi John Thomas Howell 1937-7-26 13535 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC68047  Silene grayi J. P. Smith, Steve Selva 1970-7-17 4462 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1188082  Silene grayi Philip A. Munz 1960-8-22 24188 Siskiyou Panther Meadows , Panther Meadows (Mt. Shasta) 2529 Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  UC375340  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  UC856991  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton 1097 Comment
  POM213958  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mt Shasta. 1220 Comment
  HSC69086  Sisyrinchium bellum Maralyn A. Renner 1980-8-4 2212 Siskiyou Flint Valley 1390 Comment
  UC429239  Smilacina racemosa Annie M. Alexander and L. Kellogg 1911-6-21 167 Siskiyou Jackson L. 2194 Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  JEPS24786  Smilax californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6794 Siskiyou along river below and sw Mt. Shasta town (Sisson) (between debouchements of Wagon and Scott Camp Creeks); South Fork of Sacramento River 944 Comment
  SEINET8488560 Image available Smilax californica A. A. Heller 1905-6-5 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  UCSB25036  Smilax californica Keefe, Joseph 1967-7-11 Siskiyou Elk Creek Road, 6 miles south of Happy Camp 426 Comment
  JEPS117251  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC365555  Solidago elongata L. E. Smith 1913-8-12 518 Siskiyou McCloud Comment
  CAS-BOT-BC365574  Solidago elongata Geo. D. Butler 1910-8-27 1858 Siskiyou Oro Fino Comment
  HSC29090  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  SEINET5709930  Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7698 Siskiyou Scott Mts. Collected along Road 17, 8.8 miles SW from the intersection of I-5 and Stewart Springs Road.; Scott Mountains 1586 Comment
  POM88253  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou Salmon Mountain. 1677 Comment
  CAS-BOT-BC158894  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  UC454960  Spiraea densiflora I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC1736474  Spiraea densiflora subsp. densiflora Dean W. Taylor 1972-7-3 1600 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC149685  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Shackleford Creek 1219 Comment
  HSC18955  Spiraea douglasii J. O. Sawyer 1969-8-4 1917 Siskiyou South Sugar Creek 2043 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  UC484057  Spiraea douglasii Carl B. Wolf 1930-10-22 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  UCD21462  Spiraea douglasii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1202 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
  RSA0056277  Spiraea douglasii Geo. E. Julian 1962-7-20 s.n. Siskiyou Near trailer park in town of Mt. Shasta. Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  UC618685  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11394 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC884350  Stachys ajugoides var. rigida A. A. Heller 1915-8-26 12236 Siskiyou Mt. Eddy 1828 Comment
  HSC34128  Stachys rigida J. O. Sawyer 1969-7-23 1181 Siskiyou Along Horse Range Creek 1555 Comment
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  JEPS87638  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  UC584352  Stephanomeria paniculata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2444 Siskiyou about 1 mi n Scott River (at Wicks Ranch, 2 mi below Quartz Valley) 914 Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  SEINET10968201  Stipa californica Mary Susan Taylor 1980-8-18 Taylor 3257 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  HSC13339  Stipa comata D. M. Thomson 1965-6-26 107 Siskiyou Lava Beds N.M., Main Rd., 1/4 mi. S of Devils Homestead Overlook Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 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
  UC726781  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  SFV1525  Streptanthus tortuosus J. Major 1961-7-14 636 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  UC455749  Streptanthus tortuosus I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  SBBG30518  Streptanthus tortuosus var. pallidus D. Myrick 1968-6-27 2044 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  HSC29181  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  UCSB24734  Streptopus amplexifolius Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC29456  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1921 Comment
  HSC61794  Swertia albicaulis var. nitida Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS12878  Symphoricarpos albus var. laevigatus Geo. D. Butler 1908-7-3 92 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC234788  Symphoricarpos mollis Alice Eastwood 1912-7-15 1068 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC234799  Symphoricarpos mollis Alice Eastwood 1921-7-26 10870 Siskiyou Soda Creek Comment
  SEINET8061691  Symphoricarpos mollis G. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain. 1219 Comment
  UC585186  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1956 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  CAS-BOT-BC97580  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  UC1192077  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-25 8281 Siskiyou west side of Tule Lake Comment
  CAS-BOT-BC98444  Symphyotrichum spathulatum Alice Eastwood 1921-7-28 10912 Siskiyou Medicine Lake Comment
  HSC92798  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1977-8-4 2162 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2195 Comment
  CAS-BOT-BC99366  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou north of Salmon-Scott divide, Salmon Mts. Comment
  CDA17129  Taeniatherum caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC376854  Taraxacum Wm. Bridge Cooke 1939-6-23 13532 Siskiyou Mount Shasta. At Wagon Camp Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC1446411  Tauschia howellii Marla Shapiro 1979-8-21 446 Siskiyou Marble Mountain Wilderness, Sawyers Bar Quad, where the English Peak-Diamond Lake trail crosses the saddle on Crapo Ridge Klamath National Forest 2194 Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC496182  Taxus brevifolia Elmer I. Applegate 1930-8-9 6599 Siskiyou top of high divide s Cameron Meadow (headwaters of Applegate River); Siskiyou Mountains, Applegate River Comment
  RSA52435  Taxus brevifolia Dorothy Parker 1945-4-30 s.n. Siskiyou Kidder Creek, Scott Valley. 854 Comment
  CAS-BOT-BC447418  Tellima grandiflora D. E. Breedlove 1962-6-11 3349 Siskiyou Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC29461  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1860 Comment
  JEPS80483  Tetradymia canescens W. B. and V. G. Cooke 1967-8-9 38668 Siskiyou turnout above Whitney Creek (along U.S. Hwy 97, n side of Mt. Shasta); Mt. Shasta 1237 Comment
  CAS-BOT-BC88065  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  JEPS104955  Thelypodium laciniatum Dean W. Taylor 1996-7-10 15770 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  SEINET12156919  Thermopsis macrophylla J. P. Tracy 1950-1 19213 Siskiyou 5 mi SE of Flint Valley along the road to Prospect Hill Comment
  UC857508  Thlaspi montanum var. montanum A. A. Heller 1915-7-15 12083 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  UC642566  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1939-7-7 13611 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC922499  Tofieldia occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5894 Siskiyou edge of Hidden Lake, above Sky High Lake Marble Mountains, Sky High Valley 1859 Comment
  SD88344  Tolmiea menziesii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line, on road to Happy Camp 1646 Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  RSA427249B  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  CHSC2326  Toxicoscordion venenosum var. venenosum 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  CDA7719  Tragopogon dubius T. C. Fuller 1959-10-14 3127 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  HSC42898  Tragopogon porrifolius Ken Stillman 1976-8-15 409 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  JEPS63105  Trichostema lanceolatum Geo. D. Butler 1908-8-2 511 Siskiyou Greenview Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  RSA460864  Trientalis latifolia M. B. Dunkle 1944-6-25 90001 Siskiyou Siskiyou National Forest. 1677 Comment
  UC1409223  Trifolium cyathiferum Frederick W. Oettinger 1969-8-1 1127 Siskiyou vicinity English Peak; Salmon Mtns, Marble Mtn Wilderness area 1706 Comment
  JEPS2899 Image available Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-8-3 384 Siskiyou Log Lake Shacklesford Creek 1524 Comment
  RSA237885  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake. the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1707 Comment
  HSC67704  Trifolium longipes John Palmer 1980-7-24 604 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UCD111289  Trifolium longipes subsp. oreganum Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, near summit of road between Happy Camp and O'Brien, Oregon. Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC726465  Trifolium wormskioldii A. A. Heller 1919-6-30 13285 Siskiyou near Durny's Mill Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  HSC27975  Trillium ovatum Carl W. Mize 1972-9-23 128 Siskiyou Along Gates Creek 762 Comment
  HSC18996  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-8-4 1914 Siskiyou Above S Sugar Lake 2043 Comment
  HSC36427  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-6-12 937 Siskiyou Along Duck Lake Creek 1921 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD78065  Trillium ovatum var. oettingeri Robert E. Preston 2001-6-30 1670 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1767 Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  UC165733  Triteleia hyacinthina Geo. D. Butler 1910-5-27 1415 Siskiyou wet meadow Shasta Valley Comment
  UC3271  Triteleia hyacinthina C. B. Bradley 1879-1 Siskiyou Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  UC843609  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou ne base Mt. Eddy (Metcalf's Ranch); ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC44785  Triteleia ixioides subsp. scabra S. Horner 1978-7-5 416 Siskiyou Intersection of Sand Flat Well Rd. with 40N05 1280 Comment
  SBBG25348  Tsuga mertensiana J. M. Tucker 1963-7-5 3708 Siskiyou lower Blake's Fk of S Russian Crk (tributary of Salmon River) ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  CAS-BOT-BC74094  Turritis glabra Alice Eastwood; John Thomas Howell 1937-6-26 5067 Siskiyou Near Forks of Salmon. Comment
  UC5982 Image available Urtica dioica subsp. holosericea Edward L. Greene 1870-8-25 1028 Siskiyou near Etna Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  UCD122054  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070702 Siskiyou in Lower Cliff Lake. 1747 Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CAS-BOT-BC391313  Vaccaria hispanica L. E. Smith 1914-6-24 723 Siskiyou Sisson Comment
  CAS-BOT-BC199196  Vaccinium cespitosum A. A. Heller 1922-7-3 13672 Siskiyou Along Wagon Creek on Mt. Eddy 2225 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  CAS-BOT-BC199232  Vaccinium membranaceum Doris K. Kildale 1928-8-19 6548 Siskiyou 1/4 mile south of Hancock Lake, on trail to Marble Mt Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  HSC19246  Vaccinium scoparium J. O. Sawyer 1969-8-1 1655 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC29340  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou Marble Mountain Wilderness, mid-trail between Diamond and Hancock Lake 2012 Comment
  UC412730  Vaccinium scoparium Annie M. Alexander and L. Kellogg 1911-6-24 185 Siskiyou Jackson Lake Comment
  HSC30274  Vahlodea atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou Caribou Basin, lower slope of Sawtooth Ridge. 2195 Comment
  UC169080  Valeriana sitchensis subsp. sitchensis Harley P. Chandler 1901-6-22 1583 Siskiyou Haypress Meadow Marble Mountain (ridges and meadows near); North Coast Ranges, Marble Mountain 1828 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  CAS-BOT-BC527989  Veratrum Doris K. Kildale 1928-8-19 6501 a Siskiyou English Lake, head of north fork of Salmon River Comment
  SD125883  Veratrum californicum Steve Morgan 1987-7-28 Siskiyou McGinnis Springs 5 miles northwest of McCloud, Shasta-Trinity National Forest, south of Mount Shasta. Meadow surrounded by pine planting and Red Fir forest. (IPB 4/08) 1773 Comment
  HSC81625  Veratrum californicum var. californicum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6201 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  UC61184  Veratrum californicum var. californicum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  HSC21168  Verbascum thapsus D. M. Thomson 1965-8-14 188 Siskiyou Lava Beds National Monument, near Mammoth Crater Comment
  RSA479496  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2783 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 Comment
  CHSC93533  Veronica catenata Lowell Ahart; John Dittes 2005-6-10 12098 Siskiyou Along the Shasta River, about 30 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