Search Results — 2000 specimen records retrieved (1342 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  HSC29673  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Marble Mtn. Wilderness Area, NE of English Lake outlet 1921 Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  UCD134135  Abies concolor Jack Major; M. Fleschner, R. Pemble 1966-9-6 s.n. Siskiyou Marble Mountains; beside trail from Lovers Camp to Marble Valley Guard Station. 1371 Comment
  HSC96424  Abies lasiocarpa var. lasiocarpa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 489 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  HSC29634  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Marble Mtn. Wilderness Area, N of peak near English Lake. Bulk Collection #51 2104 Comment
  UCD77263  Acer glabrum var. glabrum Robert E. Preston 2001-6-23 1613 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  SEINET12765809  Acer glabrum var. torreyi J. P. Smith 1970-6-16 4064 Siskiyou 8 miles west of Etna on road to Sawyers Bar.; 0 1372 Comment
  RSA240066  Acer macrophyllum Frederick W. Oettinger 1969-8-25 1553 Siskiyou Little North Fork stream crossing along new trail that goes from the end of the logging road to the Devils Canyon Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  CAS-BOT-BC30429  Achillea millefolium John Thomas Howell 1939-8-6 15093 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC27653  Achillea millefolium Carl W. Mize 1972-6-8 10 Siskiyou Along main trail 335 Comment
  UC1483522  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC18874  Achillea millefolium Elmer I. Applegate 1935-6-6 9353 Siskiyou Near and south of Indian Well, Lava Beds National Monument Comment
  HSC61187  Achillea millefolium Al Hobart Siskiyou El Capitan Comment
  UCSB22168  Achlys triphylla Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UC167216  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  RSA603013  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-6-9 3559 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  CAS-BOT-BC216928  Achnatherum occidentale Doris K. Kildale 1928-7-4 5512 Siskiyou Summit of divide between Saywers Bar and Etna Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  RSA211328  Achnatherum occidentale subsp. occidentale William J. Ferlatte 1966-6-23 136 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  UCD103815  Acmispon americanus var. americanus A. A. Heller 1919-6-25 13288 Siskiyou Compton's prairie, north base of Mt. Eddy. 1158 Comment
  CHSC91343  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-9 12014 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
  SD73170  Aconitum columbianum Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC391516  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 2089 Siskiyou Mount Eddy Comment
  HSC22297  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-5 1734 Siskiyou W of Little Duck Lake 2073 Comment
  HSC37  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin 1677 Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  HSC98376  Aconogonon davisiae J. O. Sawyer 1968-7-9 404 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC68959  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS107660  Aegilops cylindrica Lowell Ahart, John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  RSA50159  Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp, road from Etna to Sawyer's Bar. 817 Comment
  RSA238743  Agoseris aurantiaca Frederick W. Oettinger 1968-8-5 724 Siskiyou SE side of Hancock L. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  POM33131  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CDA3361  Agrostemma githago William J. Ferlatte 1978-6-25 1909 Siskiyou Big Springs Area. 1/4 mile north of Road A12, 1 mile east of Four Corners. 0 Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  CAS-BOT-BC139573  Agrostis gigantea Wm. Bridge Cooke 1938-7-29 11409 Siskiyou Mount Shasta. Above Bear Springs. 1645 Comment
  RSA238995  Agrostis humilis Frederick W. Oettinger 1968-9-7 757 Siskiyou West shore of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  RSA239063  Agrostis pallens Frederick W. Oettinger 1969-9-1 1578 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC91585  Agrostis variabilis Jennifer Whipple 1978-10-6 2427 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  HSC103012  Ailanthus altissima J. P. Smith 2014-6-6 13869 Siskiyou Along river access road just west of State Route 96. Naturalized trees 216 Comment
  CHSC106315  Alisma triviale Lowell Ahart; John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET4899472  Allium amplectens J. Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Along Klamath River. 366 Comment
  CAS-BOT-BC469242  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  SEINET3884476  Allium falcifolium D. W. McNeal 1977-6-7 2051 Siskiyou On the hillside above Hwy. #3 and along the rd. side ditch, 5.5 mi. n. of Scott Summit.; 0 Comment
  UC3083  Allium falcifolium C. B. Bradley 1897-1 Siskiyou Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  UC618662  Allium obtusum W. Bridge Cooke 1938-7-1 11163 Siskiyou 1 mi below main meadow; Mount Shasta, Panther Creek Sand Flats Comment
  RSA60650  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman s Valley. 1189 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC516177  Allium siskiyouense Dana York 2011-8-13 3068 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  POM109968  Allium siskiyouense Geo D. Butler 1910-4-10 1167 Siskiyou Yreka Comment
  HSC63275  Allotropa virgata M. A. Baker 1979-7-11 1026 Siskiyou Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 Comment
  HSC26930  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1971-9-18 4834 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  HSC65130  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-15 4348 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  SACT002779  Alnus rubra Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Cave National Monument Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  UC1333317  Alnus viridis subsp. sinuata Dorothy Parker 1949-5-26 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC18596  Alyssum alyssoides Philip Alexander Munz 1949-5-18 13307 Siskiyou 14 miles southwest of Gazelle on Callahan road. 1463 Comment
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) Comment
  CHSC63593  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1994-8-10 6448 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  CAS-BOT-BC142870  Amelanchier alnifolia var. semiintegrifolia Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow - Marble Mts. 1792 Comment
  HSC31799  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake Comment
  HSC99677  Amelanchier pallida G. L. Clifton, Terry Griswold 1979-6-28 6109 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC1540021  Amelanchier utahensis M. Mitchell 1936-5-14 18 Siskiyou Captain Jack's Stronghold 1249 Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west 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
  RSA465170  Anagallis arvensis Edwin Kline 1920-6-24 14839 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC391933  Anemone lyallii Harley P. Chandler 1901-6-1 1551 Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  POM100582  Anemone multifida Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mtn. 1677 Comment
  CAS-BOT-BC391972  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  UC906643  Angelica tomentosa Joseph P. Tracy 1949-9-16 18567 Siskiyou from Callahan to Trinity Center (Scott Mountain); Scott Mountain 1615 Comment
  HSC42905  Anisocarpus madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  JEPS33953  Antennaria argentea George D. Butler 1908-6-29 334 Siskiyou Oro Fino Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 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
  CAS-BOT-BC58719  Antennaria geyeri Alice Eastwood 1921-7-25 10814 Siskiyou Bigelows, McCloud River Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCD129024  Antennaria racemosa Dean William Taylor 1972-7-3 s.n. Siskiyou at Cook and Green Pass. Comment
  SEINET6755311 Image available Antennaria racemosa G. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  RSA123632  Antennaria rosea G. D. Barbe 1955-8-1 327 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UCR37827  Antennaria rosea K. T. Stillman 1976-8-7 213 Siskiyou Marble Mountain Wilderness Area [Elk Valley head], Scott Bar 15' Q. 1951 Comment
  HSC29213  Antennaria rosea subsp. rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  UC1034585  Anthemis cotula Douglas Barbe 1955-7-1 84 Siskiyou 6 mi s Etna; Scott Valley 883 Comment
  UCD129068  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 Comment
  UC163714  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain 1066 Comment
  SEINET516159 Image available Apera interrupta Vernon H. Oswald 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  RSA403114  Apocynum androsaemifolium subsp. pumilum M. B. Dunkle 1944-6-25 9029 Siskiyou Siskiyou Natl. Forest Comment
  CAS-BOT-BC395153  Aquilegia formosa Wm. Bridge Cooke 1938-7-29 11424 Siskiyou Wagon Camp, Mount Shasta Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  UC922384  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1949-7-20 5820 Siskiyou above Paradise Lake; Marble Mtns 1920 Comment
  CAS-BOT-BC394988  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  POM99544  Aquilegia formosa var. truncata Geo. D. Butler 1910-6-17 1576 Siskiyou Hundrey Mtn. 1220 Comment
  HSC103547  Arabis breweri Thomas W. Nelson 2005-5-23 9317 Siskiyou Shoeinhorse Mountain, along Forest Service Road 11, at Deer Creek. 948 Comment
  UC1408892  Arabis glabra F. W. Oettinger and R. F. Thorne 1969-8-5 1309 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  HSC77493  Arabis holboellii var. retrofracta L. P. Janeway 1983-7-4 384 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  RSA237238  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou SW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1980203  Arabis oregana Curtis R. Bjork 2000-5-21 5334 Siskiyou Siskyou Co.: Klamath / Siskyou Bioregion. Klamath National Forest. Shortly upslope from Walker Road. 15 miles NWN of Yreka on slopes above the south bank of the Klamath River. Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  POM266032  Arabis subpinnatifida Lincoln Constance, Reed C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  CDA38201  Aralia californica D. H. Shaw & D. Osterhandt 1978-7-25 s.n. Siskiyou McNeal Creek, near Fork of Salmon. 0 Comment
  SEINET2471228  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -30 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain 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
  UC164233  Arceuthobium campylopodum Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek Comment
  UC163739  Arceuthobium campylopodum Geo. D. Butler 1908-8-5 272 Siskiyou West Fork of Moorly Creek Comment
  UC618826  Arceuthobium cyanocarpum W. B. C. 1938-8-23 11576 Siskiyou n slope of Shastina, upper end of the Shastina lava park Mount Shasta 2438 Comment
  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  SEINET2116925  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-12 2004 -32 Siskiyou Eaton Lake. Russian Wilderness Area 2000 Comment
  CDA6780  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  HSC4921  Arctostaphylos nevadensis J. O. Sawyer 1968-9-9 660 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC742  Arctostaphylos nevadensis William J. Ferlatte 1967-7-8 669 Siskiyou Near Le Roy Mine 2073 Comment
  JEPS49538  Arctostaphylos nevadensis W. L. Jepson 1940-6-27 20040 Siskiyou e slope Mt. Shasta 1828 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  RSA105355  Arctostaphylos patula G. D. Barbe 1955-7-6 137 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC47098  Arctostaphylos viscida subsp. viscida John Thomas Howell 1980-4-29 53419 Siskiyou Near Cheeseville, Scott Valley. 853 Comment
  UC82981  Arctostaphylos viscida subsp. viscida Dr. E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon Comment
  UC454232  Arenaria congesta var. suffrutescens I. J. Condit 1909-8-2 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  HSC60848  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. Bell Echo Meadow. 1524 Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  HSC46308  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1192153  Arnica chamissonis Herbert L. Mason 1948-7-18 13608 Siskiyou Grass Lake Comment
  UC585145  Arnica cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1998 Siskiyou ca 1.5 mi w, (e and ne slope of spur of Rainbow Ridge above Sulloway Creek) Mt. Shasta City; Sulloway Creek, Rainbow Ridge 1180 Comment
  UC1540129  Arnica dealbata Dean W. Taylor 1987-6-26 9071 Siskiyou 2 mi w Medicine Lake (on the sw side of Little Mount Hoffman near summit); Little Mount Hoffman 2209 Comment
  UC581752  Arnica discoidea Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2455 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  CAS-BOT-BC82658  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout trail, Marble Mts. 1828 Comment
  HSC610  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou NW side of Caribou Mtn.; near Browns Meadow 1829 Comment
  RSA261524  Arnica latifolia J. M. Tucker, L. K. Mann 1963-7-5 3701 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  UC1096783  Arnica longifolia H. K. Wagnon 1957-8-11 1713 Siskiyou ca 1 mi n, (along Ash Cr.) Military Pass Rd.; Mt. Shasta, Ash Creek Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  RSA238810  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Below Tom's Lower Pond . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC166158  Arnica spathulata Geo. D. Butler 1909-5-31 985 Siskiyou Humbug Mountain Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  HSC63613  Arnica viscosa Richard Spjut, Emelia Russell 1979-8-28 5510 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  JEPS80597  Arrhenatherum elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountain Wilderness Area, Marble Valley Horse Pasture Marble Valley Horse Pasture Marble Valley Horse Pasture; Marble Mountain Wilderness Area, Marble Valley Horse Pasture 1792 Comment
  HSC5031  Artemisia douglasiana Geo. D. Butler 1908-8-14 311 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  UC727045  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalfs Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  POM301723  Asclepias cordifolia Marion Ownbey, D. H. Brown 2423 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  SEINET10580339  Asclepias cordifolia H. E. Brown 1897-6-11 Brown 371 Siskiyou Mt. Shasta, N side 1524 Comment
  POM301689  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of Meadow along Ditch Creek, near Hornbrook. Comment
  SD104893  Asclepias speciosa Darley Howe 1979-6-26 5112 Siskiyou 1/4 mile south of Ca. Highway 3 on Little Shasta Road, Yreka. Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  HSC36875  Aspidotis densa J. P. Smith 1974-5-25 7518 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC46337  Aspidotis densa J. P. Smith 1973-5-5 6429 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS94712  Aspidotis densa Vernon H. Oswald and Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08) (4.9 mi se of Gazelle-Callahan Road); Rock Fence Lake Road (USFS 41N18) 1767 Comment
  SEINET10568096  Aspidotis densa David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  RSA671867  Aster F. R. Schallert 1953-8-10 16999 Siskiyou near Mt. Shasta Comment
  SEINET11852800  Aster alpigenus var. andersonii C. T. Pringle 1882-1 s.n. Siskiyou Mts. about headwaters of Sacramento River Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  HSC46226  Astragalus californicus Jennifer Whipple 1978-6-5 2337 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  HSC39771  Astragalus purshii J. O. Sawyer 1970-4-4 2080 Siskiyou Along Sugar Creek 823 Comment
  RSA48586  Astragalus purshii var. lectulus P. A. Munz 1949-5-18 13310 Siskiyou 2 miles southwest of Gazelle. Comment
  SEINET3127347  Astragalus purshii var. tinctus G. C. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 Comment
  JEPS84260  Astragalus whitneyi var. siskiyouensis L. R. Heckard with J. Hickman et al. 1986-7-17 6456 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); e of Kangaroo Peak, s of Lily Pad Lake, n of Seiad Vally 1900 Comment
  RSA415402  Astragalus whitneyi var. siskiyouensis M. B. Dunkle 1944-7-18 9127 Siskiyou Siskiyou National Forest. 1890 Comment
  UC1299231  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1948-7-7 2413 Siskiyou Scott Mountain Road summit to Callaghan (Callahan?) (North Coast Ranges); , Scott Mountain Road, summit to Callaghan 1249 Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  RSA183740  Athyrium filix-femina subsp. cyclosorum Gilbert Muth 1965-8-3 150 Siskiyou Marble Mountains, creek at Marble Valley Comment
  RSA210852  Atriplex subspicata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39031 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  POM312479  Atriplex truncata Verne Grant, Irving Schneider 1947-8-26 8301 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  JEPS125861  Balsamorhiza lanata Dean W. Taylor 1996-6-27 15747 Siskiyou Scott Valley; hill slopes on south base of Hartstrand Gulch about 2 miles east of canyon mouth. About 5 air miles E of Etna Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  RSA603839  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview, Scott Valley 884 Comment
  CAS-BOT-BC400050  Berberis C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  JEPS82697  Berberis aquifolium var. aquifolium Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow); South China Mt 2286 Comment
  HSC65305  Berberis aquifolium var. repens J. P. Smith 1976-5-21 8772 Siskiyou F.S. Rd. 40N08, 10.8 mi. from its junction with S.R. 3. 1280 Comment
  HSC73274  Berberis aquifolium var. repens M. A. Baker 1980-6-20 2185 Siskiyou Near Bald Mtn. 1036 Comment
  HSC3350  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldredge's Corral, Russian Creek Comment
  HSC5003  Berberis nervosa J. O. Sawyer 1968-6-25 333 Siskiyou 1646 Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  HSC100791  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the W edge of the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  CAS-BOT-BC169482  Betula occidentalis L. E. Smith 1913-3-28 617 Siskiyou Weed Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 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
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  RSA608433  Bidens cernua L. C. Wheeler 1935-7-3 3648 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS40348  Blepharipappus scaber W. L. Jepson 1907-7-1 Siskiyou w Siskiyou Co. Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  UC398755  Boechera platysperma Wm. M. Canby 1897-9-7 16 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC14668  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sissons, road to Mount Shasta. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC25614  Boechera retrofracta John Thomas Howell 1939-8-3 14952 Siskiyou Marble Mountains. Spriit Lake. 1828 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  UC673133  Boechera subpinnatifida Lincoln Constance and Reed C. Rollins 1942-5-14 2923 Siskiyou 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  UC673135  Boechera subpinnatifida Lincoln Constance and Reed C. Rollins 1942-5-14 2931 Siskiyou 6 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  JEPS109872  Botrychium simplex var. simplex Dean W. Taylor 2005-7-13 19398 Siskiyou Deter Spring, at northern base Buck Mountain (ca 11 air miles N of Bartle on Highway 89) 1554 Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA84355  Boykinia major F. W. Peirson 1926-7-11 7022 Siskiyou About half way up grade W of Etna or Etna Mills. 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
  HSC77495  Boykinia occidentalis L. P. Janeway 1983-6-25 338 Siskiyou Bluff above Klamath River, E side, near Independence Creek Bridge 274 Comment
  UCD102610  Boykinia occidentalis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Siskiyou Forks of Salmon-Somes Bar. Klamath National Forest. Salmon River Road near Butter Creek. 265 Comment
  CAS-BOT-BC36691  Brassica rapa Alice Eastwood 1912-7-16 1127 Siskiyou McCloud. Comment
  SEINET10533786  Brodiaea crocea F. Marion Ownbey 1941-6-22 Ownbey 2419 Siskiyou Gravelly soil in open pine forest, just south of Craggy Mounatin, Northwest of Yreka. Comment
  SEINET10965891  Brodiaea ida-maia David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20651 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  HSC30546  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Inlet to Dry Lake, Salmon Mtns. 2027 Comment
  UCD59216  Bromus carinatus var. marginatus R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  POM112544  Bromus hordeaceus Geo D. Butler 1910-5-4 1276 Siskiyou Dry hill, Yreka. Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  CAS-BOT-BC162129  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  CAS-BOT-BC185593  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS107670  Bromus tectorum Lowell Ahart, John Dittes 2005-6-9 12010 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
  UC1131290  Bromus tectorum H. A. Jensen 1933-7-29 335 Siskiyou near Metcalf 883 Comment
  CAS-BOT-BC185383  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  CAS-BOT-BC273225  Cacaliopsis nardosmia Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Along ridge road to Deadwood Lookout, mountains west of Yreka Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC30590  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-8-16 1404 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow, English Lake Meadow 1677 Comment
  CAS-BOT-BC185264  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  HSC27138  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
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  HSC91978  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1727 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD57318  Calamagrostis koelerioides A. H. Murphy 1956-8-16 56 U Siskiyou Klamath Natioal Forest, east end Big Marshy Meadow. 1828 Comment
  UCD57331  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  JEPS39851  Calocedrus decurrens W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  JEPS80595  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow Marble Mt. Wilderness, Marble Valley Meadow 1792 Comment
  UC1076355  Calocedrus decurrens D. Tebbe 1930-3-28 60 Siskiyou near Weed Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  HSC86380  Calochortus coeruleus J. O. Sawyer 1983-7-7 4230 Siskiyou Top of Medicine Mtn. 2085 Comment
  CAS-BOT-BC488615  Calochortus elegans var. nanus A. A. Heller 1906-6-15 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC488617  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sisson Comment
  CAS-BOT-BC26265  Calochortus elegans var. oreophilus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  SEINET8214322  Calochortus longebarbatus Unknown 1989-9-3 587 Siskiyou Tom Young Flat; ca. 2 mi. nw of Pondosa. 1292 Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 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
  UC1618317  Calochortus nudus Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9367 Siskiyou ca 1 mi e Toad Lake (at head of Middle Fork Sacramento River, ca 8 air mi w of Mt Shasta City); Middle Fork Sacramento River 1981 Comment
  UC843681  Calochortus nudus Alice Eastwood 1912-7-15 1109 Siskiyou McCloud Comment
  CAS-BOT-BC94452  Calochortus nudus R. C. Wenk 2005-7-18 304 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, along Highway 3, Scott Mountain Campground 1650 Comment
  RSA249716  Calochortus nudus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  HSC22852  Caltha leptosepala J. O. Sawyer 1969-6-13 943 Siskiyou W of Little Duck Lake 2043 Comment
  CDA10559  Calycadenia ciliosa D. L. Janssen, F. D. Horn 1982-9-2 Siskiyou Callahan-Gazelle Road. 0 Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  UC1971695  Calycadenia truncata 1974-9-12 2160 Siskiyou 0.4 mi E of Somesbar on Salmon River Road 195 Comment
  CDA23947  Calyptridium umbellatum T. C. Fuller 1962-6-11 8950 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  SBBG30589  Calyptridium umbellatum D. Myrick 1968-6-27 2043 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  UC796486  Calyptridium umbellatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11761 Siskiyou French Creek Logging Road w of Callahan 1066 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  JEPS53273  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou about 2 mi e of Montague 822 Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  CAS-BOT-BC37004  Camelina microcarpa R. E. Frenkel 1963-7-15 259 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RailRoad crossing near Mount Shasta. 1290 Comment
  SEINET11262424  Campanula prenanthoides Alv Dan Youngberg 1964-7-19 49 Siskiyou West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  SEINET10463153  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 miles up Forest Service road 12N13 West of Bald Butte. T12N R6E Sec. 11 610 Comment
  SEINET10463337  Campanula prenanthoides Alice Eastwood 1912-8-30 Eastwood s.n. Siskiyou Mount Eddy Comment
  RSA22585  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  RSA456191  Campanula scouleri M. B. Dunkle 1944-7-15 9102 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  UC1258470  Campanula scouleri John Palmer 1980-8-12 751 Siskiyou road from Beaver Creek Road to Bearground Spring; Condry Mtn. Quad. 1341 Comment
  LA204513  Campanula wilkinsiana Wm. Bridge Cooke; 1938-8-8 11665 Siskiyou Mount Shasta, along the streams in Squaw Valley Creek meadows 2438 Comment
  CAS-BOT-BC266463  Campanula wilkinsiana W. B. C. 1938-9-8 11665 Siskiyou Mount Shasta. Squaw Creek Meadows, near the upper end of the meadow Comment
  SEINET10463883  Campanula wilkinsiana Bohmannson BOHMANNSON s.n. Siskiyou MT. SHASTA Comment
  RSA237227  Cardamine californica var. integrifolia Frederick W. Oettinger 1969-7-10 963 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CAS-BOT-BC37795  Cardamine nuttallii George Dexter Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  UC607  Carex amplifolia Ezra Brainerd 1897-8-1 Siskiyou Sisson Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  JEPS63748  Carex bolanderi B. C. Goldsmith 1916-7-23 8 Siskiyou 6 mi from McCloud; McCloud River Comment
  HSC76803  Carex bolanderi L. P. Janeway 1982-8-15 148 Siskiyou Below Echo Lake 1646 Comment
  LA17375  Carex breweri Wm. Bridge Cooke; 1939-7-26 13757 Siskiyou Mount Shasta, below Lake Helen on the Summit Trail 2895 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET10650516  Carex feta George D. Butler Butler 1785 Siskiyou Oro Fino, in damp meadow. Comment
  HSC76387  Carex hassei L. P. Janeway 1982-7-2 32 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  LA17569  Carex inops J. W. Stacey; 1940-7-12 15344 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  UCD77475  Carex jonesii Robert E. Preston 2001-7-21 1726 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  RSA724914  Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC81977  Carex lenticularis var. impressa Thomas W. Nelson, Jane Nelson 1979-6-16 4862 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7566385 Image available Carex luzulina L. P. Janeway 2003-8-9 7956 Siskiyou Kangaroo Mtn 7.5' quad. Klamath Ranges, Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. 1665 Comment
  CHSC84711  Carex luzulina var. ablata L. P. Janeway 2003-8-9 7956 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. 1664 Comment
  RSA237258  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1291 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA237363  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC96143  Carex mertensii L. P. Janeway 2006-7-1 8718 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC76794  Carex microptera L. P. Janeway 1982-8-15 147 Siskiyou Below Echo Lake 1646 Comment
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  RSA739623  Carex multicostata L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges, Siskiyou Mtns, 3.2 air km SW of cook and Green Pass, 0.4km SE of Red Butte 1737 Comment
  HSC76849  Carex multicostata L. P. Janeway 1982-8-13 124 Siskiyou Along the Kelsey Trail 1738 Comment
  RSA237226  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS119369  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle. Comment
  UC196159  Carex nebrascensis Geo. D. Butler 1909-6-13 858 Siskiyou Oro Fino Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  CAS-BOT-BC119643  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Springs, Mt. Shasta. 2499 Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  SEINET8351534  Carex nudata Barbara Wilson 1994-5-27 6919 Siskiyou Rogue River National Forest; near parking areas of the New London Trailhead, between Road 1050 (Elliot Creek Road) and the creek. Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1026418  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou swamp 2 mi w Montague Comment
  UC195522  Carex praegracilis Geo. D. Butler 1910-4-19 1202 Siskiyou near Yreka Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC118784  Carex preslii William J. Ferlatte 1968-8-23 1094 Siskiyou Head of Kedd Creek. 2133 Comment
  CAS-BOT-BC118606  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Scott Mar Quad, Marble Mountain Wilderness Area. 1828 Comment
  CHSC99696  Carex rossii L. P. Janeway 2008-7-24 9471 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  SEINET7574453 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8789 Siskiyou Scott Mountain 7.5' quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creek let complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CDA33145  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2769 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  CAS-BOT-BC117244  Carex spectabilis W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow-Craggy Peak. Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  HSC7173  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mtns. 1829 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  CAS-BOT-BC114823  Carex whitneyi J. W. Stacey 1938-7-1 11161 Siskiyou Wagon Camp. 1737 Comment
  HSC91306  Cassiope mertensiana Jennifer Whipple 1976-7-1 1221 Siskiyou Wagon Creek drainage near Wagon Creek 2317 Comment
  RSA0002588  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy. 2591 Comment
  HSC673  Castilleja applegatei William J. Ferlatte 1967-7-26 746 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243751  Castilleja applegatei var. pinetorum Doris K. Kildale 1928-7-2 5394 Siskiyou Salmon Summit via Horn Creek Trail 1981 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
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  POM42530  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CAS-BOT-BC254102  Castilleja miniata L. E. Detling 1950-6-9 6603 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  HSC61815  Castilleja miniata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  CAS-BOT-BC254022  Castilleja miniata Ella Dales Cantelow 1940-6-1 4382 Siskiyou N. W. of Tennant [Tenet]. Butte Creek Meadow Comment
  JEPS3176  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Cherry Creek Comment
  JEPS46016  Castilleja pruinosa L. R. Heckard 1956-8-7 828 Siskiyou 10.5 mi ne Weed (along Highway 97, n of Mt. Shasta) Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  RSA428399  Castilleja pruinosa M. B. Dunkle 1944-7-18 9132 Siskiyou Siskiyou National Forest. Comment
  RSA428401  Castilleja schizotricha M. B. Dunkle 1945-1 9297 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  UC1025089  Castilleja tenuis Leo Whitney 1934-6-29 1732 Siskiyou near Antelope Creek (near Tennant) 1463 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  RSA1354  Ceanothus cuneatus B. D. Stark 1929-7-25 594 Siskiyou 2 miles S of Yreka. 793 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
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  UC455340  Ceanothus integerrimus I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake) Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC99933  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13352 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA184762  Ceanothus velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mtns. 1793 Comment
  RSA381134  Ceanothus velutinus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  SEINET204767  Ceanothus velutinus J. M. Tucker, LK Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar ca. 4.7 road miles SW of Etna Comment
  OBI53784  Centaurea cyanus David J. Keil 1992-7-20 23474 Siskiyou W side of Scott Valley, 3.8 mi S of Fort Jones along Calif rte 3 875 Comment
  SEINET8582822  Centaurium exaltatum L. C. Wheeler 1935-7-3 3646 Siskiyou Shasta River, 2 miles NW of Montague. 762 Comment
  HSC2328  Centromadia pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  UCD138896  Cephalanthera austiniae John M. Tucker; D. V. Hemphill 1974-7-28 4333 Siskiyou 1.25 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC384966  Cerastium arvense Alice Eastwood 1912-8-30 1974 Siskiyou Mount Eddy Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC388166  Cerastium fontanum Alice Eastwood 1921-7-24 10783 Siskiyou Castle Lake Comment
  CAS-BOT-BC135449  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-14 209 Siskiyou Yreka Comment
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  HSC100  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. 1982 Comment
  CHSC110958  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2007-7-28 1665 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  SBBG27254  Cercocarpus ledifolius var. intermontanus L. C. Wheeler 1934-9-5 3246 Siskiyou summit of Sterling Mtn 2127 Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  HSC81987  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4870 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  UC1170098  Chaenactis douglasii var. douglasii unknown 1956-7-16 30293 Siskiyou above Hotlum Station (along old loggin road; n side of Mount Shasta); Mount Shasta 1524 Comment
  JEPS8879  Chaenactis suffrutescens W. L. Jepson 1907-7-4 2809 Siskiyou Scott Valley Comment
  UC195206  Chaenactis suffrutescens Annie M. Alexander and Louise Kellogg 1911-8-12 308 Siskiyou near Toad Lake 2072 Comment
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  CAS-BOT-BC141578  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near south shore of Tule Lake Comment
  HSC18589  Chamaebatiaria millefolium R. C. Wunner 1965-7-9 355 Siskiyou California Lava Beds National Monument; 60 yds. from Black Crater Trail jct. on trail to Hardin Butte Trail 1341 Comment
  UC1127954  Chamaebatiaria millefolium M. H. Mitchell 1936-5-21 24 Siskiyou Modoc Lava Beds National Monument, Frozen River Cave Frozen River Cave; Modoc Lava Beds National Monument, Frozen River Cave 1348 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  CAS-BOT-BC166096  Chamerion angustifolium subsp. circumvagum H. A. Thomas; J. H. Thomas 1954-7-23 4464 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecileville. Vicinity of Blind Horse Creek 1036 Comment
  HSC22480  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-8 1064 Siskiyou WNW facing slope above Little Duck Lake 2073 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC68236  Cheilanthes gracillima W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  CAS-BOT-BC68212  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain Comment
  RSA331961  Cheilanthes gracillima W. Wisura, Dave Kelly 1985-7-30 4075 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC375328  Chenopodium berlandieri Geo. D. Butler 1908-7-4 1065 Siskiyou Yreka Comment
  UC1540165  Chenopodium rubrum Dean W. Taylor 1987-8-9 9293 Siskiyou along Hwy 161 (OR border) 8.3 mi w Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  CAS-BOT-BC452270  Chimaphila umbellata Alice Eastwood 1912-7-23 1352 Siskiyou Cantara Comment
  HSC65504  Chimaphila umbellata R. White 1977-7-21 120 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  SDSU9887  Chimaphila umbellata D. F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., Siskiyou Co. 1524 Comment
  UC1733973  Chimaphila umbellata Kay H. Beach and F. Gould 1940-5-15 Siskiyou Meadows and Goosenest Mountain 1828 Comment
  UC456181  Chimaphila umbellata I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake 1524 Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  RSA238333  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 1968-8-7 440 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 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
  JEPS107654  Chorispora tenella Lowell Ahart, John Dittes 2005-6-10 12120 Siskiyou East side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CAS-BOT-BC36390  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC8065  Chrysolepis sempervirens Richard Spjut 1968-10-5 168 Siskiyou Along the trail to Sugar Creek Lake in the Salmon Mtns. 1524 Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  RSA68860  Chrysolepis sempervirens A. E. Culbertson 1943-7-2 96 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600' eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  UC5452  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  UC567205  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  HSC64524  Circaea alpina subsp. pacifica J. P. Smith, Steve Selva 1970-6-15 3900 Siskiyou 10 mi. NW of Forks of Salmon Comment
  POM46094  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek. Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  OBI55400  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  OBI54130  Cirsium cymosum var. cymosum David J. Keil, Kathleen Keil 1992-7-21 23515 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  UC196188  Cirsium cymosum var. cymosum A. A. Heller 1905-6-22 Siskiyou between Igerna and Weed Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  RSA0070694  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka. Comment
  OBI54113  Cirsium remotifolium var. odontolepis David J. Keil, Kathleen Keil and Mary Faustini 1990-7-28 s.n. Siskiyou Klamath NF. Marble Mtn Wilderness. Rye Crk trl Comment
  OBI55422  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA1580  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228954  Cistanthe umbellata L. R. Short 1933-8-6 23 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  CAS-BOT-BC164743  Clarkia rhomboidea Wm. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC164967  Clarkia rhomboidea Alice Eastwood 1912-7-15 1149 Siskiyou McCloud Comment
  JEPS43670  Clarkia rhomboidea W. L. Jepson July, 1894 14420 Siskiyou Sisson Comment
  RSA789824  Clarkia rhomboidea Rebecca Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  SEINET10689277  Clarkia rhomboidea Edward L. Greene 1876-6-20 Greene 874 Siskiyou Collected near Yreka, California. Comment
  CAS-BOT-BC439106  Claytonia cordifolia D. M. Traugh 1933-8-7 3 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  SFV1158  Claytonia exigua subsp. exigua J. R. Swanson 1961-3-27 670 Siskiyou 1 mile south of Fort Jones, west side of Scott Valley. Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CHSC88107  Claytonia rubra subsp. depressa Jenny Marr 1993-7-1 117 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  CAS-BOT-BC443822  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  CAS-BOT-BC451757  Claytonia serpenticola W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, by Mt. Shasta Comment
  HSC18075  Clematis ligusticifolia Jerry Parker 1968-10-6 127 Siskiyou Along E Fork Scott River Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  UC164235  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CDA7435  Cnicus benedictus C. S. Giebner 1965-9-2 Siskiyou Carl Black property, Scott Valley. 0 Comment
  POM43382  Collinsia grandiflora Geo. D. Butler 1226 Siskiyou Quartz Valley. Comment
  HSC86558  Collinsia linearis D. K. Imper 1987-6-5 Siskiyou 8 mi. E of Somes Bar 1220 Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  RSA165528  Collinsia rattanii Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains: White Mt. Comment
  UC1177936  Collinsia rattanii Francia Chisaki, Gene B. Newcomb 1958-6-22 1156 Siskiyou Duzel Rock between Fort Jones and Gazelle (9.6 mi on road from Fort Jones to the turn-off to Duzel Roack and 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  SEINET13773600  Collomia grandiflora G. D. Butler 1910-5-19 1366 Siskiyou Yreka Comment
  HSC45798  Collomia heterophylla J. P. Smith 1976-5-4 8657 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  HSC44944  Collomia tinctoria J. O. Sawyer 1978-6-18 3238 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  CAS-BOT-BC230679  Collomia tracyi Clarence R. Quick 1958-6-17 58 -28 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  CAS-BOT-BC180414  Comandra umbellata subsp. californica Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC180423  Comandra umbellata subsp. californica Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CDA32137  Convolvulus arvensis M. Beyers, G. F. Hrusa 2010-8-18 693 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  CHSC2331  Corallorhiza maculata V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  RSA758225  Corallorhiza mertensiana Robert F. Thorne 1969-8-2 63321 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  UC196060  Cordylanthus tenuis A. A. Heller 1914-8-26 11723 Siskiyou Weed 975 Comment
  UCSB61656  Cordylanthus tenuis Bacigalupi, Rimo 1954-8-13 Siskiyou Lower part of grade over Scott Mountain, on road from Callahan to Carrville, 1.2 mi. above (& So. of) junction with Gazell road 1097 Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  JEPS86236  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1979-8-16 5157 Siskiyou n Mt. Shasta City (just sw of Black Butte, corner of old Hwy 99 and Pony Tail Dr.) 914 Comment
  HSC74909  Cordylanthus tenuis subsp. viscidus J. P. Smith 1978-7-1 9957 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  RSA0084761  Cordylanthus tenuis subsp. viscidus Rebecca Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  SBBG100088  Cordylanthus tenuis subsp. viscidus G. T. Robbins, C. L. Custer 1954-8-13 4795 Siskiyou lower part of grade over Scott Mtn, on rd from Callahan to Carrville, 1.2 mi above (and S of) jct with Gazelle Rd 1097 Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  CAS-BOT-BC210413  Cornus sericea John Thomas Howell 1937-7-22 13289 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  JEPS80510  Cornus sericea subsp. sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA481444  Corylus cornuta var. californica E. E. Stanford 1930-6-15 1584 Siskiyou 1 mile north of Dunsmuir. Comment
  HSC5441  Crepis acuminata R. C. Wunner 1965-6-10 146 Siskiyou California Lava Beds N. M. below Caldwell minor; E slope of Caldwell 1402 Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC376521  Crepis bakeri subsp. cusickii L. E. Smith 1914-5-14 699 Siskiyou Yreka Comment
  HSC2329  Crepis intermedia Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC290738  Crepis occidentalis subsp. conjuncta Harley P. Chandler 1901-6-1 1644 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC29230  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-13 1031 Siskiyou Salmon Mtns.; between English Peak and 'Bear Meadow Comment
  CAS-BOT-BC290843  Crepis occidentalis subsp. pumila A. M. Vollmer; L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  HSC43863  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC581192  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1896 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  JEPS24803  Crypsis schoenoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou about 3 mi nw Weed (head of Valley); Shasta Valley 975 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  POM72947  Cryptantha clevelandii var. dissita Geo. D. Butler 1910-5-27 1416 Siskiyou Dry hill near Yreka. Comment
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  JEPS95669  Cryptantha torreyana Vernon H. Oswald and L. Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest. In disturbed gravelly soil. 914 Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  POM63493  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  HSC19422  Cryptogramma acrostichoides J. O. Sawyer 1968-9-9 666 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC80545  Cupressus bakeri Oliver V. Matthews 1939-7-19 39 Siskiyou North-easterly Grove, [Goose Nest] Goosenest Region 1828 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  RSA50556  Cupressus bakeri C. B. Wolf 1944-8-29 11478 Siskiyou NW side Goose Nest mtn, about 1 mi due S of old Smith sawmillon montague to Mt. Hebron Rd. 1677 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
  UC650674  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  UC13703  Cupressus lawsoniana W. C. Blasdale 1894-8-3 Siskiyou Shasta Springs Comment
  JEPS80596  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  POM210879  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head East Fork Horse Creek. Siskiyou Mountains. 1982 Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  HSC28081  Cymopterus terebinthinus var. californicus J. D. Ackerman, A. Montalvo 1973-7-27 109 Siskiyou Along Sacramento River near Mt. Shasta City Comment
  UC1950079  Cymopterus terebinthinus var. californicus Barbara Ertter with Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 97 NE of Weed Comment
  UC164134  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  POM63495  Cynoglossum occidentale Geo. D. Butler 1910-6-4 1497 Siskiyou Shackleford Creek Comment
  RSA190704  Cynoglossum occidentale T. C. Fuller 1967-6-27 16034 Siskiyou Siskiyou County, W side of road to McCloud Reservoir, 0.3 mile S of McCloud Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC114151  Cyperus squarrosus Carl B. Wolf 1927-8-26 993 Siskiyou On the Klamath River, 5 mi below Hornbrook. Comment
  HSC7266  Cyperus squarrosus C. B. Wolf 1927-8-26 993 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS104992  Cyperus squarrosus Dean W. Taylor 1996-7-27 15866 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  JEPS128836  Cypripedium californicum Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -053 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  NY621823  Cypripedium californicum A. A. Heller 1919-6-29 13282 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
  RSA382010  Cypripedium montanum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  HSC30644  Danthonia californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1153 Siskiyou Marble Mtn. Wilderness Area, English Peak, English Lake Basin, Sundew Bog. 1829 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  UCD61032  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET4566572  Danthonia californica var. americana G. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  JEPS83990  Danthonia unispicata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6391 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA120926  Danthonia unispicata Milo S. Baker, G. D. Barbe, H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mountains Comment
  UC1037462  Darlingtonia californica Douglas Barbe 1955-7-9 160 Siskiyou soggy meadow 1/4 mi n Kangaroo Lake; Scott Mtns., Rail Creek 1828 Comment
  UC54472  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson; Sacramento River, 18th Crossing 1036 Comment
  UCD168826  Darlingtonia californica Barry Rice 2015-9-6 BR 150903 Siskiyou East of Caldwell Fen. 2025 Comment
  CAS-BOT-BC420664  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  SEINET10904063  Darmera peltata Mary Merello 1993-6-25 Merello 721 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  RSA714940  Delphinium depauperatum M. E. Fishbein, Lane Greer 2006-8-3 5883 Siskiyou Paynes Creek, at road crossing below Paynes Springs, 2 miles SE of Medicine Lake. 1975 Comment
  CAS-BOT-BC8751  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC39219  Delphinium nuttallianum J. O. Sawyer 1969-7-2 1016 Siskiyou Near summit above Lipstick Lake 2226 Comment
  RSA238282  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD77598  Delphinium nuttallianum Robert E. Preston 2001-6-23 1615 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  HSC92285  Deschampsia cespitosa Jennifer Whipple 1976-7-24 1534 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC201635  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  CAS-BOT-BC201637  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  JEPS80518  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail along first bluff Marble Mt. Wilderness Area; , Marble Gap Trail 1828 Comment
  UCD62397  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3434 Siskiyou 4 miles W of Hamburg. Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC24704  Dicentra formosa J. O. Sawyer 1969-7-24 1493 Siskiyou SW of Sugar Lake 1890 Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  CAS-BOT-BC500906  Dichelostemma capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley 1066 Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC500998  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  POM109924  Dichelostemma multiflorum Geo D. Butler 1909-5-15 789 Siskiyou Shasta River hills. Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 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
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CDA6688  Dipsacus fullonum T. C. Fuller 1959-7-9 2911 Siskiyou West of Highway 99, north limits Mt. Shasta City. 0 Comment
  UCD137488  Dipsacus fullonum P. B. Schultz 1967-7-12 86 Siskiyou in town of Mt. Shasta across street from hospital. 1097 Comment
  HSC32012  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-2 349 Siskiyou Near Morgan Meadows on E slope of Mt. Eddy, W of Mt. Shasta City Comment
  UC585128  Dodecatheon hendersonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2001 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, w of Mt. Shasta City 1188 Comment
  HSC67572  Dodecatheon jeffreyi J. P. Smith, Steve Selva 1970-7-17 4467 Siskiyou Below Kangaroo Lake. 1890 Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  CAS-BOT-BC41765  Draba howellii M. B. Dunkle 1945-7-8 9206 Siskiyou Klamath Forest. Marble Mountains. Black Marble Mountain. 2133 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  CAS-BOT-BC159680  Drymocallis glandulosa Gilbert Muth 1966-7-17 405 Siskiyou Trail to Lookout, Marble Mts. 1828 Comment
  UC519045  Drymocallis lactea var. austiniae Elmer I. Applegate 1923-8-20 3910 Siskiyou w end of Medicine Lake Comment
  RSA693553  Dryopteris arguta M. B. Dunkle 1944-7-7 9079 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC113720  Eleocharis acicularis Alice Eastwood 1921-7-29 10946 a Siskiyou Medicine Lake. Comment
  CHSC111065  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16886 Siskiyou Toad Lake 2117 Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  CAS-BOT-BC227924  Elymus elymoides Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta. Above Bear Springs Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  HSC22446  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-18 1434 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  HSC36419  Elymus glaucus J. O. Sawyer 1968-7-10 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC48278  Elymus glaucus Ken Stillman, J. O. Sawyer 1978-7-6 1035 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. 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
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  RSA603760  Elymus lanceolatus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  HSC32484  Elymus spicatus J. P. Smith, Steve Selva 1970-7-28 4530 Siskiyou South Fork of Sacramento River 1128 Comment
  CAS-BOT-BC204304  Elymus trachycaulus subsp. trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou Near Yreka Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  CHSC26175  Epilobium brachycarpum J. P. Kroessig 1977-8-5 50 Siskiyou McBride Spring Campground ca. 4.5 km n of Mt. Shasta City, at base of Mt. Shasta. 1460 Comment
  UC1483446  Epilobium brachycarpum J. Sawyer and J. Cole 1980-7-22 3964 Siskiyou nw slopes of Cedar Mt. Klamath National Forest, Bray Quad. 1524 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC642587  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou meadow at Bear Springs Mount Shasta Comment
  HSC61177  Epilobium glaberrimum Al Hobart 1967-7-19 Siskiyou El Capitan Comment
  HSC19501  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-1 1665 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCD77629  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2002-7-11 1896 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Trout Creek Meadow 1505 Comment
  POM258978  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-8 15417 Siskiyou Mt. Shasta: along Squaw Valley Creek below McCloud water supply intake 1372 Comment
  JEPS75884  Epilobium hallianum W. J. Ferlatte 1966-6-22 95 Siskiyou between campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  POM230571  Epilobium hallianum J. T. Howell 1937-7-26 13527 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1713137  Epilobium hallianum Harley P. Chandler June 1901 1702 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  POM171592  Epilobium hallianum Doris K. Kildale 1929-7-20 8701 Siskiyou Trail between Elk Lick and Raspberry Lake 1677 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  HSC49657  Epilobium minutum J. P. Smith 1973-5-5 6494 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC29167  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Marble Mtn. Wilderness Area, Little Medicine Mtn., N of Hancock Lake 2043 Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  CAS-BOT-BC204511  Eragrostis cilianensis Dorothy Parker 1949-7-24 85 Siskiyou Garden, McConahue Gulch, Scott Valley 914 Comment
  CAS-BOT-BC204622  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou Near Yreka Comment
  UCD21461  Eremogone congesta Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1200 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 trail to Gray Rock Lake. 1819 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  HSC69204  Eremogone congesta var. congesta Maralyn A. Renner 1980-9-1 2684 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC168327  Eremogone congesta var. congesta Doris K. Kildale 1928-7-4 5483 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  CAS-BOT-BC174231  Eremogone congesta var. congesta M. B. Dunkle 1945-7-22 7238 Siskiyou Klamath National Forest. Big Elk Lake basin, Wooley Pocket 2072 Comment
  HSC29469  Eremogone congesta var. congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo ridge by trail crossing 2134 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS117569  Ericameria nauseosa var. oreophila 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  SBBG126110  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 mi (air) NW of Big Springs Lake, 3.9 mi (air) SE of Grenada, 6.3 mi (air) NW of Dwinnel Dam 778 Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  SEINET5708362 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7695 Siskiyou Scott Mts., collected along road 17, 8.8 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  UC1303140  Ericameria parryi var. latior A. A. Heller 1927-8-1 14438 Siskiyou near the town Mt. Shasta (along the base of Spring Hill, on the headwater of the Scramento River); Sacramento River, Spring Hill Comment
  HSC69094  Erigeron aliceae Maralyn A. Renner 1980-8-4 2223 Siskiyou Flint Valley 1390 Comment
  SEINET10813459  Erigeron aliceae Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 884 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
  UC165281  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou near head of Molly Creek Comment
  CAS-BOT-BC293494  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  POM357569  Erigeron aliceae M. B. Dunkle 1944-7-18 9138 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  HSC46719  Erigeron compositus William J. Ferlatte 1974-7-15 1547 Siskiyou Dorleska summit, Grouse Ridge 200yd N of summit 2134 Comment
  CAS-BOT-BC297188  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  CAS-BOT-BC300477  Erigeron filifolius H. M. Hall; E. B. Babcock 1903-6-1 4098 Siskiyou Sierra Nevada Mountains. Mount Shasta, Little Shasta Valley 853 Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC296123  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts. summit of pass on road from Etna to Sawyer's Bar 1478 Comment
  RSA238781  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-16 534 Siskiyou Slope of 'Little Medicine Mountain,' N of Hancock Lake; near summit. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2104 Comment
  CAS-BOT-BC295399  Erigeron inornatus John Thomas Howell 1934-7-4 12401 Siskiyou Se. corner of Siskiyou Co. Comment
  JEPS41431  Erigeron inornatus var. inornatus W. L. Jepson 1940-6-30 20067 Siskiyou Fowler's Camp, 6 mi e McCloud; McCloud River,Forest Service Campground 944 Comment
  JEPS94098  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1998-9-8 9609 Siskiyou ca. 2 air mi. n.w. Indian Spring Mt. (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 6 air mi. w. of Mosquito Lake & Whitehorse Flat Reservoir) 1127 Comment
  SEINET11859479  Erigeron inornatus var. inornatus Unknown 1953-1 123 Siskiyou Blue Point, Scott Mountain Public Campground, Klamath National Forest, Scott Mountains 1631 Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  SDSU3932  Erigeron lassenianus var. deficiens D. F. Howe 1965-8-8 4122 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  RSA211209  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1967-8-20 1046 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  HSC34354  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 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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  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC300097  Erigeron philadelphicus L. E. Smith 1913-5-27 294 Siskiyou Weed Comment
  JEPS41375  Erigeron philadelphicus var. philadelphicus Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento, Sisson Comment
  HSC96824  Eriodictyon californicum S. Lyon, J. McIntire 2006-6-25 27 Siskiyou 1 mi. W of Blackbear Summit at jct. of USFS Rd. 39N28 and 39N41 1341 Comment
  SEINET5328996  Eriogonum compositum G. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC637153  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou summit of road from Happy Camp to Waldo (Oregon); Klamath National Forest, Indian Creek watershed 1615 Comment
  UC634601  Eriogonum compositum var. compositum Mable Ruttle 1927-6-5 Siskiyou s slopes of Siskiyou Mts. Siskiyou Mts. Comment
  UC1282033  Eriogonum congdonii Louise Kellogg Aug 8 1953-Aug 9 1953 124 Siskiyou Blue Point, a serpentine outcrop near Scott Mountain Public Campground; Klamath National Forest 1630 Comment
  CAS-BOT-BC246488  Eriogonum diclinum H. A. Thomas; J. H. Thomas 1954-7-24 4508 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  JEPS25874  Eriogonum hirtellum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7458 Siskiyou ridge-top between Indian Creek drainage (N. Fk. Twin Valley Creek) and Illinois River drainage (Dunn Creek) (boundary line of Del Norte and Siskiyou Counties); Preston Pk. quadr. 15 1956; between Indian Creek drainage & Illinois River drainage, boundary line of Del Norte & Siskiyou Cos. 1615 Comment
  UC77583  Eriogonum hirtiflorum T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  HSC43463  Eriogonum marifolium Jennifer Whipple 1976-6-25 1582 Siskiyou N slopes of Mt. Eddy 2561 Comment
  HSC43465  Eriogonum marifolium Jennifer Whipple 1977-7-20 1980 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  HSC86628  Eriogonum marifolium D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1829 Comment
  JEPS56734  Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta; e slope 1828 Comment
  RSA0049749  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21300 Siskiyou Elk Flat, easterly flanks of Mt. Shasta, Shasta-Trinity National Forest 1241 Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  CAS-BOT-BC267386  Eriogonum marifolium var. marifolium Geo. B. Grant 1902-9-7 s.n. Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  UCR12004  Eriogonum nudum var. pubiflorum William B. Cooke 1941-9-5 16270 Siskiyou Mt. Shasta, MacBride Springs Comment
  CAS-BOT-BC272462  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1923-9-6 3943 Siskiyou Klamath River, about 20 miles below mouth of Shasta River 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
  CHSC1329  Eriogonum pyrolifolium var. pyrolifolium K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  JEPS96721  Eriogonum siskiyouense Dean W. Taylor 1997-6-12 16055 Siskiyou mouth of Willow Creek (ca. 4 miles west of Gazelle); Scott Mountains; hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  RSA123700  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1955-7-16 174 Siskiyou In dry, Powdery Shale-like rock on the east ridge leading to the summit of South Yolla Bally ( Mt. Linn) 2287 Comment
  RSA126712  Eriogonum sphaerocephalum Peter H. Raven 1956-9-4 10403 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC263444  Eriogonum ternatum Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring Wooly Creek Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET11935780  Eriogonum umbellatum Unknown 1986-1 60335 Siskiyou Goosenest Mt., open areas in red fir forest 2249 Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267977  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  SEINET3025891 Image available Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-8-15 3955 Siskiyou Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail. 2040 Comment
  UC637042  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou summit of Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  CAS-BOT-BC268151  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 182 Siskiyou Near summit of Salmon Mountain 1813 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
  JEPS104885  Eriogonum umbellatum var. modocense Dean W. Taylor 1993-7-30 13994 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  SEINET245423 Image available Eriogonum ursinum James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains; Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  HSC96544  Eriophorum crinigerum Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CDA33200  Eriophorum crinigerum Gordon Leppig 1998-7-1 908 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  CAS-BOT-BC301139  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 miles s. of Bray Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  HSC22490  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-9 1106 Siskiyou Between Horse Range and Little Duck Lake 2354 Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  POM358043  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-19 9218 Siskiyou Klamath National Forest; Marble Mts. Comment
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  CAS-BOT-BC124135  Eriophyllum rixfordii G. P. Rixford s.n. Siskiyou South side of Shaft Rock Mt., near Hilt Comment
  NY168706  Eriophyllum rixfordii S. P. Rixford 1913-1 s.n. Siskiyou South side of Shaft Rock Mountain, near Hilt Comment
  HSC21486  Eryngium articulatum C. B. Wolf 1927-8-27 1144 Siskiyou Klamath River at mouth of Dillon Creek Comment
  CAS-BOT-BC54576  Erysimum capitatum L. E. Smith 1914-5-21 701 Siskiyou Yreka. Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  CDA3712  Erysimum repandum F. D. Horn 1980-4-3 Siskiyou Dennis Lane west of railroad tracks, Klamath River Estates, Hornbrook. 0 Comment
  SD128722  Erythranthe moschata Darley F. Howe 1980-7-6 Siskiyou 1.3 mile south of Oregon state line on road to Happy Camp 1645 Comment
  CHSC71505  Erythranthe pulsiferae Vernon H. Oswald; Lowell Ahart 1998-7-21 9361 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  RSA28196  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  UC1034586  Eschscholzia californica Milo S. Baker and Douglas Barbe 1955-7-1 82 Siskiyou 4.0 mi n Callahan (on Eastside Rd. to Etna); Klamath Mountains 899 Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  CAS-BOT-BC310454  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6502 Siskiyou English Lake, head of north fork of Salmon River Comment
  RSA417681  Eucephalus ledophyllus var. covillei M. B. Dunkle 1945-1 9311 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC473  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine 1982 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA120927  Euphorbia crenulata Milo S. Baker, Douglas Barbe, H. K. Wagnon 1957-6-15 13104 Siskiyou Just south of Weed. Comment
  OBI4695  Euphorbia esula T. C. Fuller 1969-7-1 18619 Siskiyou SE of Flying K Ranch, Quartz Valley, S of Mugginsville Comment
  CAS-BOT-BC310629  Eurybia radulina L. E. Smith 1913-7-24 486 Siskiyou McCloud Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  CAS-BOT-BC413902  Fallopia convolvulus R. E. Frenkel 1963-7-13 249 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  UC682121  Festuca californica G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3266 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 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
  RSA414219  Festuca idahoensis M. B. Dunkle 1945-7-22 s.n. Siskiyou Marble Mts., Klamath National Forest. Comment
  CAS-BOT-BC278881  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  HSC26623  Festuca occidentalis J. P. Smith, Steve Selva 1970-6-16 3990 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC73061  Festuca occidentalis Gail Newton 1980-6-20 444 Siskiyou Near Bald Mtn. 1097 Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. Comment
  HSC82221  Festuca pratensis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4541 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD66266  Festuca roemeri A. H. Murphy 1959-7-22 59 I Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC54341  Fragaria virginiana subsp. platypetala H. M. Hall and E. B. Babcock 1903-6-18 4135 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  HSC19400  Frangula californica J. O. Sawyer 1968-9-10 674 Siskiyou 1524 Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  HSC36608  Frangula purshiana Brent Whiteley 1975-6-24 50 Siskiyou 235 Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. 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
  CAS-BOT-BC223585  Fraxinus latifolia Doris K. Kildale 1929-7-20 8648 Siskiyou Trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  RSA166000  Fraxinus latifolia M. A. Piehl 1956-8-14 s.n. Siskiyou Along Indian Creek near old jade mine, vicinity of Happy Camp Comment
  RSA24286  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3.5 miles below mouth of Shasta River 610 Comment
  RSA17445  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Klamath River, between Hamburg and Seiad Valley Comment
  SBBG994  Fritillaria atropurpurea H. and M. Dearing 1939-6-28 2185 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  LA97840  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou Paradise Lake, Marble Mountain Wilderness Area, ca. 0.25 mi. down the trail (N of) from the lake at the base of Kings Castle on the E side 1981 Comment
  RSA289931  Fritillaria atropurpurea Geo D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  UC166189  Fritillaria recurva Geo. D. Butler 1910-4-17 1191 Siskiyou near Yreka Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  HSC76632  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC67749  Galium bolanderi John Palmer 1980-8-15 1005 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  JEPS26968  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7462 Siskiyou above and due e Twin Valley (about 12 air mi ne of Happy Camp); Siskiyou Mts. 1584 Comment
  JEPS6705  Galium bolanderi Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upton Upper Sacramento Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  JEPS33853  Galium grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  HSC49954  Galium serpenticum subsp. scotticum G. L. Clifton, Ground 1978-6-30 1661 Siskiyou Near Forest House, close to the town of Yreka 1098 Comment
  JEPS101441  Galium serpenticum subsp. scotticum Dean W. Taylor 1997-6-12 16068 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  HSC60825  Galium triflorum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  HSC100301  Garrya elliptica J. P. Smith, & J. O. Sawyer 2011-6-25 13265 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  POM78080  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. Comment
  RSA758227  Garrya fremontii Robert F. Thorne 1969-8-2 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC165291  Garrya fremontii Geo. D. Butler 1908-8-5 40 Siskiyou below Cold Spring (on West Fork of Wooley Creek); West Fork of Wooley Creek Comment
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Nov 25 2011
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA238353  Gaultheria ovatifolia Frederick W. Oettinger 1967-7-30 226 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC334242  Gaultheria ovatifolia unknown 1879-1 Siskiyou near Shasta Comment
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  UC1112874  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou e slope of mt. ca 1 mi w Military Pass Rd. (along Rd. to Brewer's Cr.); Mt. Shasta Comment
  RSA34385  Gayophytum heterozygum W. Bridge Cooke 1947-7-18 17682 Siskiyou In the dryer sandy meadows at Wagon Camp, Mount Shasta 1738 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
  UC1409240  Gayophytum humile Frederick W. Oettinger and R. F. Thorne 1969-8-5 1189 Siskiyou trail <from> English Lake to Abbots (w Siskiyou Co. high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  JEPS97185  Gentiana calycosa Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95058 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  NY297626  Gentiana copelandii A. Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  SEINET8586823  Gentianella amarella W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  UC1024068  Gentianopsis simplex Dorothy Parker 1953-9-18 609 Siskiyou meadow above Cabin Meadow Creek near Cory Peak; Siskiyou Mts. 1920 Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  CAS-BOT-BC459620  Geum macrophyllum Wm. Bridge Cooke 1939-7-7 13592 Siskiyou Frequent in the meadow at Bear Springs. Comment
  HSC75190  Geum triflorum K. T. Stillman 1976-6-26 111 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC68523  Gilia capitata Maralyn A. Renner 1980-6-23 988 Siskiyou W Fork Seiad Creek 878 Comment
  HSC44647  Githopsis specularioides J. P. Smith, Steve Selva 1970-6-16 4019 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC819300  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1158 Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA238997  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA5883  Gnaphalium canescens subsp. thermale E. Hale 1983-9-6 Siskiyou 6104 Pinebrook Lane, Yreka. 0 Comment
  CAS-BOT-BC302682  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  UC1409287  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, Dry Lake 2026 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  JEPS77492  Gratiola ebracteata Susan Horner 1978-6-30 401 Siskiyou road between 40N05 and Sand Flat Well about 4 mi sse Hambone Comment
  RSA675587  Grindelia camporum F. R. Schallert 1953-8-10 3131 Siskiyou Below Mt. Shasta. Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  CAS-BOT-BC388473  Gypsophila paniculata L. E. Smith 1912-7-1 s.n. Siskiyou Yreka Comment
  HSC82261  Hackelia californica Thomas W. Nelson, Jane P. Nelson 1980-7-5 5978 Siskiyou Fowler's Campground 1006 Comment
  CHSC96089  Hackelia micrantha L. P. Janeway 2006-7-3 8773 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC61915  Hackelia micrantha Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  UC722640  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-9 5338 Siskiyou 2 mi s of Black Mountain (near King's Castle) 1828 Comment
  CHSC4164  Hastingsia alba R. Carter 1966-5-15 408 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. 1310 Comment
  JEPS62098  Hastingsia alba W. L. Jepson July 1894 Siskiyou Sisson Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC506195  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit at Trinity County line 1633 Comment
  POM181941  Hastingsia alba J. G. Lemmon 1889-6-28 s.n. Siskiyou Near Edgwood [Edgewood] Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC302452  Hazardia whitneyi var. discoidea Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad lake, headwaters of Middle Fork of upper Sacramento River 2103 Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  HSC69358  Helenium bigelovii Maralyn A. Renner 1980-8-21 2581 Siskiyou Kidd Creek 2043 Comment
  UCR37839  Helenium bigelovii L. P. Janeway 1983-7-31 479 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC584277  Helenium bigelovii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2470 Siskiyou w side of river near Trumble Ranch (along road from Callahan to Carrville); Trinity River 1050 Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  UC585080  Helianthella californica subsp. shastensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1996 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur ofRainbow Bridge above Sulloway Creek) 1180 Comment
  RSA105494  Helianthella californica var. nevadensis G. D. Barbe 1955-7-26 267 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  HSC44962  Hemizonella minima J. O. Sawyer 1978-6-16 3225 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA608378  Heterotheca oregona L. C. Wheeler 1934-9-15 3265 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC312300  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS54950  Heuchera merriamii Wayne Roderick and Dorothy Parker 1966-7-26 Siskiyou at edge of Kangaroo Lake (n side of Scott Mts); Scott Mountains, Kangaroo Lake 1844 Comment
  UC1736422  Heuchera merriamii Dean W. Taylor 1999-8-12 17316 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  HSC44501  Heuchera micrantha K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  HSC39754  Hieracium bolanderi J. O. Sawyer 1969-8-1 1625 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC165421  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  HSC36473  Hieracium scouleri J. O. Sawyer 1969-7-25 1525 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  UC897858  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mts, Marble Mts Comment
  CAS-BOT-BC320101  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC90218  Hieracium triste Michael P. Murray 1991-7-20 1 Siskiyou Marble Mountain Wilderness Area; On ridge between Kings Castle and Jumpoff 2088 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  HSC29376  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou SE side of Hancock Lake 1936 Comment
  HSC65497  Holodiscus discolor Rich White 1977-7-21 118 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  CAS-BOT-BC152374  Holodiscus discolor var. discolor Milo S. Baker 1923-8-14 256 -b Siskiyou Camp 6, Smith River Division, Siskiyou National Forest Comment
  SD76173  Holodiscus discolor var. glabrescens Helen V. Witham 1969-10-6 547 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  UCR137195  Holodiscus microphyllus M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mtns., Klamath National Forest: King's Castle 2256 Comment
  UCD98180  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  RSA602817  Hordeum brachyantherum L. C. Wheeler 1934-6-26 2794 Siskiyou Cottonwoods Creek; Border of sunny creek; Siskiyou Mts., Mt. Diablo Mer. 838 Comment
  CAS-BOT-BC289276  Hordeum brachyantherum subsp. brachyantherum L. N. Lorenzen No date on label. 32 Siskiyou Medicine Lake, Shasta forest 2072 Comment
  UC1024787  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-6-29 2235 Siskiyou near Tennant (Antelope); Antelope Creek 1463 Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC10229  Hordeum vulgare R. C. Wunner 1965-8-14 423 Siskiyou Lava Beds N. M. Hovey Point. Comment
  CAS-BOT-BC143943  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  SBBG2948  Horkelia daucifolia H. and M. Dearing 1939-6-3 2531 Siskiyou near Scotts Bar Comment
  UC1034639  Horkelia daucifolia Milo S. Baker 1955-6-25 13068 Siskiyou 2 mi s Hazelle (on Hwy 99, near type locality) 914 Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  CAS-BOT-BC143950  Horkelia daucifolia A. A. Heller 1922-6-22 13668 Siskiyou About 5 miles south of Yreka Comment
  POM88250  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley Divide Comment
  RSA14934  Horkelia daucifolia J. T. Howell 1934-4-20 1752 Siskiyou Near Yreka on Fort Jones Road Comment
  UC221642  Horkelia fusca H. E. Brown 1897-7-31 530 Siskiyou S side of Mt. Shasta, Siskiyou Co. Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  CAS-BOT-BC144006  Horkelia hendersonii Roger Raiche 1986-7-19 60435 Siskiyou Road to Alex Hole (Condrey Mt.), Dry Lake 2057 Comment
  SBBG15756  Horkelia tridentata D. Myrick 1961-6-22 315 Siskiyou Hwy 89 near McCloud Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  UC1076054  Horkelia tridentata subsp. flavescens Herbert L. Mason 1947-5-17 14763 Siskiyou on Scott Mountain raod five mi s Callahan; Scott Mountain Road Comment
  CAS-BOT-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CAS-BOT-BC539440  Horkelia tridentata var. tridentata R. E. Frenkel 1964-7-14 687 Siskiyou At Howard near Mount Shasta 1219 Comment
  CAS-BOT-BC201129  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC73233  Hosackia crassifolia Gail Newton 1980-6-20 507 Siskiyou Near Bald Mtn. 1097 Comment
  UCD77834  Hosackia crassifolia Robert E. Preston 2001-6-23 1623 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  CAS-BOT-BC201136  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15090 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  HSC30481  Hosackia pinnata Frederick W. Oettinger 1969-8-12 1342 Siskiyou Abbott's lower Cabin 1189 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 Comment
  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS80499  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  RSA211320  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  RSA78829  Hydrophyllum occidentale P. A. Munz 1952-7-2 17907 Siskiyou Exposed stony ridge west of Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mountains. 1784 Comment
  RSA114967  Hymenoxys lemmonii E. K. Balls, Lenz 1956-6-18 21723 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
  CDA8006  Hymenoxys lemmonii D. Jenott 1972-6-22 Siskiyou Parks Creek, Edgewood. 0 Comment
  HSC96309  Hypericum anagalloides Gordon Leppig 1998-8-14 1023 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA15599  Hypericum perforatum C. B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp. Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  UCD118220  Ipomopsis aggregata Jack Major 1961-7-14 638 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  POM259367  Ipomopsis congesta J. T. Howell 1939-8-4 15047 Siskiyou Marble Rim, Marble Mts Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  HSC99833  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-6-15 557 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  NY411178  Isatis tinctoria K. Morris 1973-6-2 367 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  HSC26229  Isatis tinctoria J. P. Smith, J. O. Sawyer 1972-5-28 5364 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  RSA597971  Isoetes L. C. Wheeler 1963-8-31 8315 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  HSC26913  Isoetes bolanderi J. P. Smith, J. O. Sawyer 1971-9-17 4775 Siskiyou Shallow water at edge of Little Duck Lake Comment
  HSC30622  Isoetes bolanderi Frederick W. Oettinger 1969-8-21 1474 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  JEPS20537  Isoetes howellii Rimo Bacigalupi with S. Galen Smith and George Bacigalupi Jr. 1957-6-27 5971 Siskiyou 2 1/2 mi. n.w. Weed (s. tip of Shasta Valley, near headwaters of Shasta River); Shasta Valley 1005 Comment
  HSC101884  Isoetes occidentalis Dana York 2011-9-9 3096 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UCR222503  Juncus R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  JEPS107945  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2005-6-9 12055 Siskiyou Meadow area along a small drainage, 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
  RSA238918  Juncus covillei Frederick W. Oettinger 1969-8-14 1369 Siskiyou English Lake main campsite. Sandy lake shore on W side of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  UC1265307  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Tom's Upper Pond, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2019 Comment
  JEPS66976  Juncus ensifolius Geo. D. Butler 1908-8-28 80 Siskiyou Oro Fino Comment
  JEPS66977  Juncus ensifolius Geo. D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek 1219 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  CHSC40148  Juncus hesperius L. P. Janeway 1983-6-25 328 Siskiyou Seep area along edge of dirt road ca 350 m n of West Branch Guard Sta. 670 Comment
  CHSC70199  Juncus mertensianus Jennifer Whipple 1976-7-2 1247 Siskiyou Mount Eddy, Klamath Mountains. Near Durney Lake. Along stream draining Durney Lake. 2133 Comment
  HSC96557  Juncus mertensianus Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 484 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1265306  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou Hemlock Forest, n side of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  RSA238910  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  HSC100785  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou Medicine Lake Highlands; Pumice Stone Mountain, near top of NW shoulder. 626 Comment
  RSA240065  Juncus xiphioides Frederick W. Oettinger 1969-8-12 1335 Siskiyou Near The Cedars on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  CAS-BOT-BC419727  Juniperus communis Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -078 Siskiyou Lower Parks Creek Lake margin, east side. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  UC1408804 Image available Juniperus communis Robert F. Thorne and Fred Oettinger 1969-8-10 39011 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry rocky volcanic ridges) 2438 Comment
  RSA13850  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  CDA707  Juniperus communis var. saxatilis J. Grisham 1960-10-27 Siskiyou Mt. Eddy, ca. 6 mi. W of Mt. Shasta City. Comment
  SFV5165  Juniperus grandis B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  HSC79095  Juniperus occidentalis Paul Wilson 1984-8-30 362 Siskiyou Juanita Lake Reservoir 1555 Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  POM252951  Juniperus occidentalis var. occidentalis A. A. Heller 1938-7-12 15262 Siskiyou 2 miles north of Bray Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  RSA82883  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Beside Hwy 89. 7.5 miles E of McCloud. Comment
  UC102432  Kelloggia galioides Brandegee Jul 1887 Siskiyou Sisson Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  CDA43045  Kochia scoparia Michael Pitcairn 2014-9-11 s.n. Siskiyou Butte Valley; Dorris. Comment
  JEPS94262  Koeleria macrantha Vernon H. Oswald and Lowell Ahart 1998-6-11 9194 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road, ne of Weed, Shasta National Forest plantation on w side of Highway 97 Weed; Shasta National Forest, Highway 97 1066 Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  UC618854  Kopsiopsis strobilacea W. Bridge Cooke 1938-6-24 11096 Siskiyou Mount Shasta, near MacBride Springs. Comment
  CAS-BOT-BC499661  Kopsiopsis strobilacea Marion Ownbey; Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  OBI55444  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. 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
  SEINET3145112  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  HSC36669  Lathyrus polyphyllus Brent Whitely 1975-7-1 121 Siskiyou 671 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  CHSC91249  Lepidium perfoliatum Lowell Ahart; John Dittes 2005-6-9 11998 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
  CHSC114921  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. Comment
  CAS-BOT-BC60148  Lepidium virginicum var. menziesii Doris K. Kildale 1928-7-1 5325 Siskiyou Forks of Salmon. Salmon River. 365 Comment
  HSC78250  Leptosiphon harknessii L. P. Janeway 1983-7-31 475 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC30426  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CAS-BOT-BC341893  Lessingia nemaclada Ira L. Wiggins 1955-7-23 13461 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
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Sep 15 2015
  RSA68902  Leucophysalis nana A. E. Culbertson 1943-7-24 55 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  UC1409437  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou at n end of Little Hancock Lake, in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Little Ha 2042 Comment
  RSA756941  Lewisia cotyledon R. F. Thorne 1969-8-2 63342 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  CAS-BOT-BC444041  Lewisia cotyledon var. cotyledon Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  UC1299367  Lewisia cotyledon var. cotyledon Freed W. Hoffman 1950-7-13 4011 Siskiyou Baldy Mt. Comment
  UC1483549  Lewisia cotyledon var. cotyledon John Palmer 1980-7-24 643 Siskiyou Dillon Divide Klamath Mational Forest, Dillon Mtn. Quad. 1706 Comment
  CAS-BOT-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  CHSC1369  Lewisia leeana M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69552  Lewisia leeana Maralyn A. Renner 1980-6-26 1294 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  RSA78837  Lewisia leeana P. A. Munz 1952-7-2 17915 Siskiyou Ridge on road to Baldy Mt, 6 miles W air of Happy Camp. 1433 Comment
  HSC4448  Lewisia nevadensis William J. Ferlatte 1967-6-30 584 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA120738  Lewisia nevadensis S. S. Tillett 1956-7-9 637 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  RSA120758  Lewisia triphylla S. S. Tillett 1956-7-9 661 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  JEPS73739  Leymus cinereus George D. Butler 1908-6-25 483 Siskiyou Butler's Ranch near Yreka Comment
  CAS-BOT-BC283731  Leymus condensatus Louis C. Wheeler 1934-9-22 3292 Siskiyou Klamath National Forest 518 Comment
  SEINET10531236  Libocedrus decurrens Edward L. Greene 1876-9-6 Greene 1040 Siskiyou collected near Yreka Comment
  HSC22241  Ligusticum californicum J. O. Sawyer 1969-8-4 1818 Siskiyou Above Sugar Lake 2134 Comment
  HSC67705  Ligusticum californicum John S. Palmer 1980-7-24 605 Siskiyou Elk Hole 1503 Comment
  HSC29139  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  HSC34458  Lilium kelleyanum A. M. Montalvo, J. D. Ackerman 1974-7-2 350 Siskiyou Near Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta 1829 Comment
  HSC44365  Lilium kelleyanum Maralyn O'Meara 1973-6-25 237 Siskiyou Music Creek 1463 Comment
  CAS-BOT-BC509358  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  CAS-BOT-BC509362  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  SEINET10469573  Lilium kelleyanum Mary Susan Taylor 1980-7-8 Taylor 3099 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  CAS-BOT-BC130811  Lilium pardalinum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house 1341 Comment
  SEINET10813742 Image available Lilium pardalinum Lawrence Beane, Vollmer, Albert Michael 1954-7-16 Beane 1266 Siskiyou Siskiyou Mountains near Oregon border west of U.S. Highway 99 Comment
  SEINET8480709  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  UC54711  Lilium pardalinum Harley P. Chandler Jun 1901 1717 Siskiyou Shackleford Canyon; North Coast Ranges 1828 Comment
  HSC61120  Lilium parvum Al Hobart 1965-8-14 Siskiyou USFS Rd. 17N04, Doe Flat 1067 Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  CHSC191  Linnaea borealis var. longiflora V. Holt 1932-6-29 Siskiyou Castle Lake Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  HSC586  Linum lewisii William J. Ferlatte 1967-7-8 668 Siskiyou Near Le Roy Mine 2104 Comment
  UC70413  Lithocarpus densiflorus Milo S. Baker Jul 1899 Siskiyou Shasta Springs Comment
  HSC64132  Lithophragma affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA468256  Lithophragma brevilobum Christopher Davidson 1975-6-5 2698 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  POM92055  Lithophragma parviflorum Geo. D. Butler 1910-5-8 1307 Siskiyou Near Yreka. Comment
  UC643294  Lithospermum ruderale W. Bridge Cooke 1940-6-4 15004 Siskiyou <along logging road leading up from Bolam Station> Bolam Station; Mount Shasta 1371 Comment
  UC196916  Lolium multiflorum Geo. D. Butler 1909-6-7 827 Siskiyou along creek near Yreka Comment
  HSC76706  Lomatium macrocarpum K. T. Stillman 1976-7-14 225 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 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
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  RSA237411  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 986 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1228815  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou roadside flat 5.2 mi. s. Yreka 792 Comment
  UC673275  Lomatium peckianum Lincoln Constance and Reed C. Rollins 1942-5-14 2918 Siskiyou 1 mi. e. Yreka; Klamath-Siskiyou Region 762 Comment
  JEPS17002  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou Yreka Comment
  RSA452597  Lomatium triternatum L. C. Wheeler 1935-6-9 3555 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  UC52219  Lonicera tatarica W. T. Mooney 1828-5-21 Siskiyou Yreka Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  JEPS87894  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou ca 0.5 mi ne Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Rd (to Mt. Shasta)); Gumboot Creek 1783 Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA406294  Lotus unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  POM27595  Lotus wrangelianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  CAS-BOT-BC140250  Luetkea pectinata Maxine Wilkes 1940-8-1 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  POM88097  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou Marker Mtn. 2134 Comment
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Nov 25 2011
  HSC89805  Lupinus albicaulis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  CAS-BOT-BC195958  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-22 45173 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC195962  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-18 45074 Siskiyou Horse Creek & Klamath River 502 Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  CAS-BOT-BC196326  Lupinus albifrons var. flumineus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River near mouth of Scott River Comment
  HSC27655  Lupinus andersonii Carl W. Mize 1972-6-8 8 Siskiyou 351 Comment
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  CAS-BOT-BC196376  Lupinus argenteus var. heteranthus Elmer I. Applegate 1923-9-17 3830 Siskiyou South end of Lower Klamath Lake Comment
  JEPS91388  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-6 9012 Siskiyou Egg Lake; Upper Modoc Plateau 1298 Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  RSA12624  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC215193  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  RSA414461  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  SD125492  Lupinus croceus var. pilosellus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 A Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  SEINET7040263 Image available Lupinus densiflorus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  UC146920  Lupinus klamathensis Harley P. Chandler June, 1901 1720 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC609357  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 893 Siskiyou e slope Lower Wright Lake; e slope of Lower Wright Lake 2103 Comment
  UC338124  Lupinus lepidus var. confertus J. G. Lemmon Siskiyou near Edgwood; near Edgwood Comment
  UC904787  Lupinus lepidus var. lobbii W. Bridge Cooke 1949-8-26 25691 Siskiyou opposite Coquette Falls (e bank of Bolam Creek Canyon); Mount Shasta, Bolam Creek 2590 Comment
  JEPS44094  Lupinus lepidus var. sellulus W. B. and V. G. Cooke 1965-7-12 35189 Siskiyou Bolam Road Mt. Shasta; , Bolam Road Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  SBBG3659  Lupinus leucophyllus H. and M. Dearing 1939-6-3 3539 Siskiyou near Scott Bar Comment
  UC1928018  Lupinus leucophyllus Rhonda Riggins 1993-6-17 1687 Siskiyou along CA 263, ca. 1 mi N of junction with CA 96, 0.5 mi S of jct. I5 Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  JEPS75359  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  POM10707  Lupinus sellulus subsp. sellulus E. B. Copeland 1903-9-5 3861 Siskiyou Igerna Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  JEPS30463  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (in Flint Valley); Flint Valley 1432 Comment
  HSC46056  Luzula comosa Maralyn O'Meara 1974-5-25 419 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA238895  Luzula divaricata Frederick W. Oettinger, J. Morrison 1967-8-17 275 Siskiyou On NW-facing slope of Crapo Peak ridge along trail from English Peak to Hancock Lake where trail crosses saddle in ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  JEPS40872  Luzula parviflora Paul C. Hutchison 1962-8-2 932 Siskiyou between Panther Meadow and top ski lift; Mount Shasta, bet Panther Meadow and top ski lift 2743 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  RSA238896  Luzula parviflora Frederick W. Oettinger 1968-9-7 752 Siskiyou Along inlet brook to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA238897  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS74561  Luzula piperi W. J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mountain Trinity Alps, Caribou Mtn 2468 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 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
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  HSC27767  Madia elegans J. P. Smith, J. O. Sawyer 1972-9-14 5795 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS40340  Madia elegans Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones; Moffett Creek Comment
  RSA123557  Madia elegans subsp. elegans G. D. Barbe 1955-7-7 141 Siskiyou East side of Forest Camp. Etna. 884 Comment
  RSA240067  Madia elegans subsp. elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones [east-northeast of the Marble Mountains Wilderness Area] Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  UC61073  Madia exigua W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC334666  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  RSA96733  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20284 Siskiyou Seiad Creek, 6 mi. n.e. from Hwy 96 at Seiad Valley. 640 Comment
  RSA237462  Mahonia nervosa Frederick W. Oettinger 1969-8-25 1551 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
  HSC58936  Maianthemum racemosum subsp. amplexicaule Marvin Butler 1971-7-5 15 Siskiyou Near El Capitan Lake 1738 Comment
  CAS-BOT-BC512758  Maianthemum racemosum subsp. amplexicaule H. E. Brown 1897-7-1 447 Siskiyou North side of Mount Shasta 2743 Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  HSC18918  Maianthemum stellatum J. O. Sawyer 1968-6-25 324 Siskiyou Along Horse Range Creek 1829 Comment
  HSC96417  Maianthemum stellatum Gordon Leppig, J. Kalt 1996-7-9 374 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC514190  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  CHSC88106  Matricaria discoidea Jenny Marr 1993-7-1 116 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC618763  Medicago lupulina W. B. Cooke 1938-7-15 11185 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC31097  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou Salmon Mtns., N side of Tom Lake Basin. Comment
  CAS-BOT-BC269234  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou At the State Teachers College near Mt. Shasta Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  UCD86367  Melica bulbosa AHM 1955-7-27 55 G Siskiyou Klamath National Forest. Marble Mountains.Pierce's Draw Meadow. 1676 Comment
  UCD86380  Melica bulbosa L. Whitney 1935-7-15 3477 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  SBBG115938  Mentzelia laevicaulis F. G. Parson 1946-7-26 Siskiyou Scott Mtn Comment
  RSA733949  Mentzelia multiflora J. Russell Bruff 1928-7-9 s.n. Siskiyou Summit of Jerome Mt. Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC22287  Microseris nutans J. O. Sawyer 1969-8-4 1811 Siskiyou Above Sugar Lake 2134 Comment
  RSA17746  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
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Dec 17 2015
  SEINET3145680  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  HSC39747  Microsteris gracilis J. O. Sawyer 1970-4-4 2088 Siskiyou Along Sugar Creek 823 Comment
  POM208258  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 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
  RSA529977  Mimulus bicolor D. W. Taylor, R. E. Palmer 1988-6-23 9864 Siskiyou Ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Adobe Flat. 1098 Comment
  UC144522  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  UCR72553  Mimulus layneae D. M. Thompson 1992-6-29 1023 Siskiyou Near Black Butte, midway between Mt. Shasta city and Weed. 1.2 mi north of I-5 interchange (Summit Drive / Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). At summit of hill overlooking railway junction at end of pavement 1200 Comment
  HSC34312  Mimulus lewisii J. P. Smith, J. O. Sawyer 1973-8-15 7325 Siskiyou N of Angel Lake 2012 Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 Comment
  RSA68877  Mimulus moschatus var. moniliformis A. E. Culbertson 1943-7-1 79 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
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  HSC74928  Mimulus nanus var. nanus J. P. Smith, Jennifer Whipple 1978-7-2 9977 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS4007  Mimulus nanus var. nanus W. L. Jepson 1907-7-6 2846 Siskiyou Marble Mt. Comment
  HSC34141  Mimulus nanus var. nanus J. O. Sawyer 1969-7-18 1436 Siskiyou S of Jackson Lake 1951 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
  JEPS3161  Mimulus primuloides subsp. primuloides George D. Butler 1908-8-3 52 Siskiyou near Log Lake 1371 Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  CAS-BOT-BC174736  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  HSC91384  Minuartia nuttallii subsp. gregaria Jennifer Whipple 1976-7-7 1320 Siskiyou Mount Eddy. 2530 Comment
  POM208272  Minuartia nuttallii subsp. gregaria L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  UC101219  Mirabilis greenei Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
  UC1045284  Mirabilis greenei W. Bridge Cooke 1940-6-20 15155 Siskiyou Klamath River Gorge along Pacific Hwy Klamath River Gorge Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  JEPS49684  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC61889  Mitella pentandra Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  UC30027  Mitella pentandra Harley P. Chandler June, 1901 1555 b Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA238321  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Midway between Diamon Lake and Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2012 Comment
  CAS-BOT-BC94963  Mitella trifida R. C. Wenk 2005-7-15 231 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1828 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
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  RSA50198  Monardella odoratissima subsp. glauca E. K. Balls 1949-7-8 13906 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  RSA401674A  Monardella odoratissima subsp. pallida A. C. Life 1923-08 14593 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC220225  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath National Forest. Klamath R. near Dutch Cr. 670 Comment
  CAS-BOT-BC220227  Monardella sheltonii Annetta Carter 1934-8-12 695 Siskiyou North side of Klamath River near mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  RSA0022797  Monardella villosa Albert M. Vollmer, L. Beane 1951-6-2 43 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  RSA0034441  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA760929  Montia dichotoma R. F. Thorne, Frederick W. Oettinger 1969-8-4 63381 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  NY342246  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  SEINET10960335  Muhlenbergia asperifolia A. Arthur Heller 1918-7-25 Heller 13082 Siskiyou Shasta Valley between Gazelle and Edgwood on the border of a meadow in alkaline soil. Comment
  CAS-BOT-BC267051  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains: at Poker Flat, in upper portion of meadow 1524 Comment
  POM206717  Muhlenbergia filiformis Copeland 1903-9-6 3788 Siskiyou Mt. Eddy Comment
  RSA239103  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Sandy margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1266286  Muhlenbergia jonesii John R. Reeder and Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 mi sse Bartle 1219 Comment
  HSC30600  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Marble Mtn. Wilderness Area, SW of Wire Grass Meadow, near Upper English Lake. 1677 Comment
  CAS-BOT-BC275170  Muhlenbergia richardsonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10497 Siskiyou Grass Lake Station, on US Highway 97 1554 Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  JEPS1364  Nama lobbii W. L. Jepson 1894-8-4 21002 Siskiyou half-way up Mt. Shasta from Sisson to Horse Camp; half-way up Mt. Shasta fr Sisson to Horse Camp 1828 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  JEPS70280  Navarretia divaricata W. L. Jepson 1940-7-3 20096 Siskiyou Bartle, e part of Siskiyou County Bartle 1188 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  UC879890  Navarretia linearifolia subsp. linearifolia A. A. Heller 1915-7-18 12119 Siskiyou Metcalf's RAnch ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  SEINET4174316  Nitrophila occidentalis G. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  HSC272  Nothochelone nemorosa William J. Ferlatte 1967-8-21 1076 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC59594  Oemleria cerasiformis J. P. Smith, Steve Selva 1970-6-14 3870 Siskiyou Comment
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  RSA15589  Oenothera villosa subsp. strigosa Carl B. Wolf 1927-8-27 1132 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  JEPS121625  Oreostemma alpigenum var. andersonii 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
  CAS-BOT-BC500328  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1969-8-11 1364 Siskiyou Ridge S of Boulder Peak 2316 Comment
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  HSC78323  Orogenia fusiformis L. P. Janeway 1983-7-17 419 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC19207  Orthilia secunda J. O. Sawyer 1968-7-9 443 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC19211  Orthilia secunda J. O. Sawyer 1968-9-9 670 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC458080  Orthilia secunda W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC458094  Orthilia secunda Lester Rowntree 1937-7-8 s.n. Siskiyou Happy Camp Rd. Comment
  HSC354  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine 1982 Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  UCSB17684  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-1 Siskiyou Siskiyou Mtns. Comment
  SEINET10702281  Orthocarpus cuspidatus subsp. cuspidatus Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  POM43117  Orthocarpus lacerus Geo. D. Butler 1910-5-26 1407 Siskiyou Yreka. Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  POM82904  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  JEPS26959  Packera cana W. L. Jepson 1940-6-23 20007 Siskiyou n of Mt. Shasta (near Andesite station) 975 Comment
  UC1299443  Packera cana Freed W. Hoffman 1950-7-11 3562 Siskiyou Cedar Camp Road 19.5 mi n Klamath River Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  SBBG25904  Parnassia californica D. Myrick 1966-8-8 1492 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1524 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
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  CAS-BOT-BC202847  Paxistima myrsinites Alice Eastwood 1917-9-2 6681 Siskiyou Shasta Springs Comment
  HSC29127  Paxistima myrsinites Frederick W. Oettinger, R. F. Thorne 1969-8-7 1281 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, E side of English Lake Outlet 1768 Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon 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
  UC1334019  Pedicularis bracteosa var. flavida Dorothy Parker 1949-7-10 335 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountain 1981 Comment
  RSA211121  Pedicularis contorta William J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  UC195210  Penstemon Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  SDSU10914  Penstemon anguineus D. F. Howe 1965-8-8 4125 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 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
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  HSC20982  Penstemon deustus D. M. Thomson 1965-6-19 91 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC1483445  Penstemon deustus J. Sawyer and J. Cole 1980-7-22 3951 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  HSC60463  Penstemon deustus Carl Wishner 1978-7-19 547 Siskiyou Sandy Ridge trail 11W21 above Meteor Lake, Marble Mtn. Wilderness 1829 Comment
  POM194938  Penstemon deustus subsp. deustus D. D. Keck 1927-8-16 990 Siskiyou 4 miles east of Mt Shasta City on west flank of Mt Shasta. 1616 Comment
  RSA12566  Penstemon deustus subsp. deustus Carl B. Wolf 1934-7-6 6020 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  UC1280833  Penstemon deustus var. pedicellatus H. E. McMinn 1931-6-27 2522 Siskiyou Mt. Shasta City Comment
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  SEINET12271087  Penstemon gracilentus M. Ownbey, Meyer, F. G. 1940-1 2195 Siskiyou near timber line on E side of Mt. Shasta Comment
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  CDA41883  Penstemon humilis subsp. humilis Vernon H. Oswald & Lowell Ahart 1998-6-11 9190 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  NY604478  Penstemon laetus var. laetus D. Parker 1954-6-5 619 Siskiyou Hartstrand Gulch, just east of Scott Valley. 855.9 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  NY604573  Penstemon laetus var. sagittatus W. B. Cooke 1972-6-30 45409 Siskiyou Andesite - Military Pass Road, Mount Shasta. Along dirt road just beyond berm. 5000 Comment
  POM257846  Penstemon laetus var. sagittatus C. Leo Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  HSC55718  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10150 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA21194  Penstemon newberryi subsp. newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou Sw side of Mt Shasta, 0.5 mi S of trail to Horse Camp. 1524 Comment
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  UC705571  Penstemon newberryi var. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou Cayenne Ridge, W side at summit Marble Mountain Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  JEPS81884  Penstemon newberryi var. newberryi Roger Raiche 1982-7-16 20616 Siskiyou on road to Mt. Eddy from Stewarts Springs; on road to Mt. Eddy from Stewarts Springs 1981 Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  UC313697  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (on W flank of Mount Shasta); Mount Shasta 1609 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  HSC19132  Penstemon parvulus J. O. Sawyer 1969-8-1 1684 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS11202  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  CHSC114659  Penstemon parvulus J. Kierstead 1990-7-18 90 -108 Siskiyou Shasta-Trinity National Forests. Forest Service Rd. 40N26 at Gumboot/Mumbo Basin pass. 1950 Comment
  POM257847  Penstemon parvulus C. Leo Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  HSC63133  Penstemon procerus var. brachyanthus M. A. Baker 1979-7-30 1073 Siskiyou E facing rock slope. 2200 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA29715  Penstemon roezlii Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  CHSC1886  Penstemon rupicola V. Holt 1932-7-5 Siskiyou Castle Lake. 1981 Comment
  HSC69240  Penstemon rupicola Maralyn A. Renner 1980-9-1 2703 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  HSC43848  Penstemon speciosus Maralyn O'Meara 1974-5-27 482 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  JEPS12330  Perideridia howellii W. L. Jepson 1914-8-13 6157 Siskiyou Sisson 1097 Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  CDA38507  Perideridia oregana D. H. Shaw 1982-7-16 s.n. Siskiyou Butte Valley near Dorris. 0 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  HSC43049  Persicaria lapathifolia K. T. Stillman 1976-8-24 440 Siskiyou Along the Klamath River at Williams Point 366 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  POM40311  Petasites palmatus Geo D. Butler 1909-4-11 627 Siskiyou Shasta Springs. Comment
  UC1191937  Petroselinum crispum Verne Grant and Irving Schneider 1947-8-25 8279 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  HSC13648  Phacelia bicolor R. C. Wunner 1965-8-27 489 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  RSA145151  Phacelia dalesiana Dorothy Parker 1958-6-9 s.n. Siskiyou Summit of Scott Mountain. 1631 Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  UC1483480  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  JEPS81027  Phacelia heterophylla subsp. virgata James Payne Smith Jr. 1976-5-5 8699 Siskiyou road between Forks of Salmon and Somes Bar 365 Comment
  UC164119  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  HSC42397  Phacelia heterophylla subsp. virgata Rich White 1977-5-21 72 Siskiyou Junction of Miners Creek Rd. and Rd. 8 , 5.5 mi. W of Callahan. Comment
  UC1181205  Phacelia leonis Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-10 7296 Siskiyou just e Del Norte County line (about 4 mi nne of Preston); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  HSC43865  Phacelia mutabilis Maralyn O'Meara 1974-5-25 374 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 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
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  HSC69570  Phacelia procera Maralyn A. Renner 1980-8-6 2267 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC78325  Phacelia procera L. P. Janeway 1983-7-24 447 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  JEPS101029  Phacelia thermalis Dean Wm. Taylor with Glenn Clifton 1990-6-11 10871 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  HSC20262  Philadelphus californicus C. B. Wolf 1927-8-27 1127 Siskiyou On Klamath River, 6 mi. below Happy Camp Comment
  CAS-BOT-BC77424  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  CHSC32702  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou 1 mile east of Steinacher Creek road on road to Forks of Salmon. Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  RSA0057587  Philadelphus lewisii G. D. Barbe 1955-8-4 358 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  CAS-BOT-BC250789  Phleum alpinum Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  HSC77101  Phleum alpinum K. T. Stillman 1976-7-30 339 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC70731  Phleum pratense Ruby Van Deventer 1955-8-5 Siskiyou Forest Service Rd. 17N04 Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  UC1736666  Phlox adsurgens Dean W. Taylor 1972-7-3 1590 Siskiyou Cook and Green Pass 1371 Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  RSA78675  Phlox adsurgens P. A. Munz 1952-7-1 17869 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mountains 1067 Comment
  UC609316  Phlox diffusa Eleanor Burks Hart 1938-8-19 901 Siskiyou Upper Wright Lake 2194 Comment
  JEPS124891 Image available Phlox diffusa Michael D. Fleschner 1965-7-13 1965 -137 Siskiyou Above Mt. Shasta Ski Board. Comment
  POM258057  Phlox diffusa subsp. diffusa C. L. Hitchcock, J. S. Martin 1939-7-7 5274 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  POM301670  Phlox diffusa subsp. diffusa Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  UC932085  Phlox douglasii subsp. rigida Verne Grant and Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  CAS-BOT-BC250993  Phragmites australis Louis C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley 4 miles E Grenada 868 Comment
  LA11637  Phragmites australis Louis C. Wheeler; 1934-10-21 3335 Siskiyou Shasta Valley 4 mi E Grenada 868 Comment
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Feb 17 2015
  HSC30570  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou Marble Mountain Wilderness, Little Hancock Lake inlet 2043 Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  UC1409436  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou inlet to Little Hancock Lake (in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2042 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
  CAS-BOT-BC540711  Physocarpus capitatus Dana York 2012-7-22 3146 Siskiyou Siskiyou Mountains: Klamath National Forest, along the jeep road heading to Lily Pad Lack ca. 600 m SW ofCook & Green Pass 1740 Comment
  SEINET10666399  Picea breweriana Peter W. Fritsch, James R. Shevock 2012-6-20 Fritsch 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14. 1755 Comment
  UC665707  Picea breweriana L. E. Berriman 1940-9-17 Siskiyou nw Callahan; Sugar Creek (Scott River tributary) 1432 Comment
  UCD133125  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  UCD134305  Picea breweriana G. L. Stebbins 1963-7-5 s.n. Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC103158  Pinus albicaulis Michael Kauffmann 2013-8-9 22 Siskiyou West Haight Mountain 2541 Comment
  RSA40896  Pinus attenuata C. B. Wolf 1944-10-30 11480 Siskiyou One mile NE of Timbered Butte, Modoc Lava Fields, on old stage road from Dane to Little Hot Springs Valley. 1220 Comment
  CAS-BOT-BC73312  Pinus balfouriana John Thomas Howell 1939-8-8 15166 Siskiyou Marble Mts., Black Mt. Comment
  UC401404  Pinus contorta subsp. murrayana Geo. D. Butler 1910-5-10 1333 Siskiyou Goosenest Mountain Goosenest Mountain (swampy woods) 1676 Comment
  HSC36761  Pinus jeffreyi J. P. Smith 1974-5-25 7397 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC78774  Pinus lambertiana Doris K. Kildale 1929-5-26 9187 Siskiyou Hawkins Bar on Salmon River 609 Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  CHSC2355  Piperia unalascensis V. Holt 1932-7-23 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  RSA120507  Piperia unalascensis S. S. Tillett 1956-7-9 629 Siskiyou Northwest facing slope of Scott Mountain. Trinity-Siskiyou Cos line, ca. 8 miles southeast of Callahan 1829 Comment
  JEPS61008  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou Block 5 Yreka Comment
  JEPS107650  Plantago eriopoda Lowell Ahart, John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  RSA120506  Platanthera leucostachys S. S. Tillett 1956-7-6 657 Siskiyou Masterson Meadows, E side of Scott Mtn, Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1890 Comment
  UC144294  Platanthera leucostachys A. A. Heller 1905-6-5 7979 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC164417  Platanthera leucostachys Geo. D. Butler 1908-8-4 3 Siskiyou Cold Spring , Cold Spring (Wooley Creek) Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA183692  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Mountains, Marble Valley Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC68356  Plectritis macrocera J. P. Smith 1973-5-5 6502 Siskiyou Along Cook and Green Pass Rd. Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  CAS-BOT-BC254998  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou Schumacher's (Geo Gray's) Ranch Comment
  CAS-BOT-BC255001  Poa bulbosa L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  UC450464  Poa bulbosa Morris Halperin 1931-5-17 301 Siskiyou near Yreka Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CDA2367  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2581 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  CHSC89335  Poa pratensis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges. Beaver pond, 0.25 miles northeast of Oro Fino. 883 Comment
  SEINET10717135  Poa pratensis Paul M. Peterson 2006-8-9 Peterson 19764 Siskiyou E. Side of Taylor Lake, Russian Wilderness. Edge of woods, with Veratrum viride, Pteridium aquilinum, Alnus, Abies, Aconitum columbianum, Rumex acetosells, Solidago, Phleum alpinum, Danthonia, Deschampsia and Juncus. 1979 Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 Siskiyou Rocky hill, north of the rock fence, about 200 yards east 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
  SEINET10659282  Poa pringlei William B. Cooke 1941-9-10 Cooke 16293 Siskiyou Occasional among boulders on ridges above Horse Camp, Mt. Shasta. Comment
  UCD83705  Poa rhizomata Jesse Miller 2009-6-16 s. n. Siskiyou near Gottville. Vegetation plot for Susan Harrison project. Plot # KLGV-N. 810 Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  CAS-BOT-BC243229  Poa secunda subsp. secunda L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC243236  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UC196957  Poa secunda subsp. secunda Geo. D. Butler 1910-4-16 1187 Siskiyou Klamath hills Comment
  CAS-BOT-BC263241  Polemonium carneum R. Stubbs 2010-6-25 011 Siskiyou Private property. 5 miles west of Yreka Comment
  CHSC1308  Polemonium carneum V. Holt 1941-6-1 Siskiyou Siskiyou mountains. Comment
  POM75059  Polemonium carneum Geo D. Butler 1909-4-28 737 Siskiyou McAdams Creek. Comment
  RSA365430A  Polemonium carneum M. B. Dunkle 1944-1 9048 Siskiyou Siskiyou National Forest Comment
  UC56864  Polemonium micranthum F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  SEINET13759088  Polemonium micranthum G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  CAS-BOT-BC231348  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  CAS-BOT-BC170335  Polygala cornuta var. cornuta Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  CAS-BOT-BC95028  Polygonum davisiae R. C. Wenk 2005-7-19 325 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC414588  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  HSC19292  Polygonum douglasii J. O. Sawyer 1969-7-24 1495 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  RSA105356  Polygonum douglasii G. D. Barbe 1955-7-17 214 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  CHSC71313  Polygonum douglasii subsp. majus Vernon H. Oswald; Lowell Ahart 1998-6-11 9187 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
  UC164464  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-11-15 1103 Siskiyou dry hill near Yreka Comment
  RSA65945  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1934-9-26 11429 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  HSC23696  Polygonum minimum J. O. Sawyer 1969-8-4 1877 Siskiyou S of S Sugar Lake 2104 Comment
  RSA12617  Polygonum newberryi Carl B. Wolf 1934-7-5 5968 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1112263  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw Weed (pool close to US Hwy 99) 1005 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SBBG21888  Polygonum shastense D. Myrick 1964-7-25 968 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC725786  Polygonum shastense A. A. Heller 1939-7-31 15433 Siskiyou Panther Meadow Mt. Shasta (border) Comment
  UC673174  Polypodium glycyrrhiza Lincoln Constance and Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region 457 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  HSC30491  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1969-8-25 1554 Siskiyou Salmon Mtns., Little N Fork stream crossing along trail from end of the logging rd. to the Devil's Canyon trail 1220 Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  CAS-BOT-BC94466  Polystichum lemmonii R. C. Wenk 2005-7-19 327 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC72393  Polystichum lemmonii Clare B. Hardham 1961-7-1 7991 Siskiyou White Mountain, Siskiyou Mountains Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 Comment
  POM210880  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  CAS-BOT-BC72518  Polystichum scopulinum Louis C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek 1981 Comment
  HSC79140  Polystichum scopulinum C. J. Thomas 1983-10-1 94 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  RSA105419  Potamogeton foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 miles southeast of Etna on the Eastside Road. 915 Comment
  CAS-BOT-BC267227  Potamogeton robbinsii John Thomas Howell 1939-8-9 15196 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  SEINET3156887  Potentilla blasckeana G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61830  Potentilla breweri Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  JEPS57173 Image available Potentilla cristae L. R. Heckard 1967-8-13 1702 Siskiyou Summit Region of Mount Eddy 2743 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  HSC128  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-18 423 Siskiyou Willow Creek Trail. 1707 Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC540548  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Along a creek near the Castle Lake Road 1524 Comment
  CAS-BOT-BC540553  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC540572  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-24 10778 Siskiyou Castle Lake Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CHSC118638  Potentilla millefolia Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Motagne 2016-6-9 2016 -008 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles nothwest of Stewart Springs UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  SEINET516294  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the S side of Tennant Rd., ca 9 air mi E of Grass Lake, ca. 22 air mi NE of Wee. 1402 Comment
  CHSC118455  Potentilla recta Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -027 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  RSA120730  Prunella vulgaris subsp. lanceolata S. S. Tillett 1956-7-9 678 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  HSC31800  Prunus emarginata Steve Selva, Roger Jensen 1974-8-16 6 Siskiyou S facing slopes above Sugar Lake Comment
  UC1540007  Prunus emarginata M. Mitchell 1936-6-8 6 Siskiyou Lava Beds National Monument, Irish Bridge Irish Bridge; Lava Beds National Monument, Irish Bridge 1417 Comment
  RSA96065  Prunus emarginata Percy C. Everett 1954-10-10 20259 Siskiyou 6.8 miles E of McCloud on road to Mt. Shasta (the town). Hwy 89. 1174 Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CAS-BOT-BC151245  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  RSA184747  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble S of camp. Marble Mtns. 1793 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
  UCD33539  Prunus virginiana var. demissa Beecher Crampton 1969-6-19 8473 Siskiyou Siskiyou County, 1 mile north of Edgewood, along the Shasta River. Comment
  CAS-BOT-BC357408  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station near/opposite Black Butte 1158 Comment
  UC1409286  Pseudognaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou ne side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC179499  Pseudognaphalium thermale A. A. Heller 1914-8-25 11702 Siskiyou opposite Black Butte (along the railroad embankment near Deetz station) 1158 Comment
  UC1409285  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou ridge from Arrow Peak to King David Peak (English Lake Basin, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1935 Comment
  UC204773  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  UC593544  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1944 Siskiyou about 8 mi s of Yreka 822 Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  CHSC71869  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UC166596  Pterospora andromedea Geo. D. Butler 1910-8-7 1817 Siskiyou Humbug Mountain 1219 Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA715803  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  HSC59604  Purshia tridentata var. tridentata J. P. Smith, Steve Selva 1970-8-8 4568 Siskiyou Lava Beds National Monument Comment
  SBBG27229  Purshia tridentata var. tridentata L. C. Wheeler 1935-6-13 3571 Siskiyou Mill Crk, Quartz Valley 944 Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  UC21721  Pyrola asarifolia Miss M. A. Huntley 1896-6-28 Siskiyou Sisson's Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  JEPS58826  Pyrola picta Willis L. Jepson Jul 1894 14663 Siskiyou Muir's Peak (=Black Butte, near Sisson Comment
  CAS-BOT-BC466135  Pyrola picta Doris K. Kildale 1928-8-20 6601 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC362269  Pyrrocoma carthamoides var. cusickii Louis C. Wheeler No date on label 2830 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. Comment
  JEPS81784  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC68645  Quercus chrysolepis John Thomas Howell 1937-7-26 13543 Siskiyou Caribou Gulch Comment
  JEPS46645  Quercus chrysolepis Mrs. Jared Stirring 1897-5 Siskiyou Etna Mills Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC1409457  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1252 Siskiyou lower Toms Lake Basin, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA476804  Quercus garryana var. garryana E. E. Stanford 1930-6-16 1603 Siskiyou Near Hornbrook. Comment
  RSA96710  Quercus garryana var. garryana Percy C. Everett, E. K. Balls 1954-10-13 20294 Siskiyou Indian Creek road to Obrien, just below summit, 21 m. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  CAS-BOT-BC105468  Quercus kelloggii Lewis S. Rose 1945-6-22 45176 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  JEPS8479  Quercus sadleriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi se and below saddle at summit of Takilma-Happy Camp road Comment
  UCD83687  Quercus sadleriana J. M. Tucker 1963-8-20 3788 Siskiyou Marble Mountain Wilderness Area, trail from Marble Valley Guard Station to Lover's Camp, along Canyon Creek, ca. 2 mi up the canyon from Lover's Camp. 1432 Comment
  HSC68342  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1426 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  UC375251  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  UCD77973  Raillardella argentea Robert E. Preston 2001-7-21 1714 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  UC1733714  Ranunculus Frank Gould, Kay H. Beach 1940-5-15 1226 Siskiyou Bull Meadows Comment
  SBBG2234  Ranunculus alismifolius H. and M. Dearing 1939-6-5 3554 Siskiyou E of McCloud 1066 Comment
  HSC43362  Ranunculus alismifolius var. alismellus N. G. Sugihara 1977-5-28 64 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  RSA399378  Ranunculus aquatilis var. capillaceus M. B. Dunkle 1929-8-26 2337 Siskiyou Golden Trout Creek. 2744 Comment
  HSC77031  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-17 11 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  CDA24326  Ranunculus glaberrimus Don Shaw 1977-4-2 Siskiyou Sam s Neck, near Dorris. 0 Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  UC9495  Ranunculus gormanii Harley P. Chandler June, 1901 1552 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  UC165940  Ranunculus occidentalis Geo. D. Butler 1909-4-17 647 Siskiyou near Yreka Comment
  UC454029  Ranunculus occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; creek bed Comment
  HSC39295  Ranunculus occidentalis var. occidentalis J. O. Sawyer 1970-4-4 2083 Siskiyou Along Sugar Creek 823 Comment
  POM269697  Ranunculus orthorhynchus Frank W. Gould 1940-5-14 1226 Siskiyou Bull Meadows 11 miles W of Hwy 97 on road to Montague 1677 Comment
  POM99442  Ranunculus orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  HSC26700  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1969-6-25 1181 Siskiyou Big Flat 1524 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  RSA269271  Ranunculus testiculatus T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, S of jct of Annie and State Street, Yreka Comment
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Mar 20 2011
  CAS-BOT-BC56112  Rhamnus ilicifolia Dorothy Parker 1950-6-5 450 Siskiyou in McConnahue Gulch, Scott Valley 883 Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  UC80228  Rhamnus rubra Dr. E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  UC80229  Rhamnus rubra Dr. E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  HSC26915  Rhodiola integrifolia subsp. integrifolia J. P. Smith, J. O. Sawyer 1971-9-17 4772 Siskiyou Slopes above Big Duck Lake Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  CAS-BOT-BC92406  Ribes aureum var. aureum Elmer I. Applegate 1904-5-15 3081 Siskiyou Laird, Klamath River. Comment
  JEPS49277  Ribes aureum var. aureum Geo. D. Butler 1908-6-28 266 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC64666  Ribes binominatum J. O. Sawyer 1977-7-6 3032 Siskiyou S of Little Duck Lake 2134 Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC108778  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  SBBG28485  Ribes cereum A. A. Heller 1938-7-12 Siskiyou US Hwy 97, 8 mi N of Weed Comment
  CAS-BOT-BC168866  Ribes inerme var. klamathense L. B. Kildale 1930-5-31 9819 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 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
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  CAS-BOT-BC217878  Ribes nevadense Elmer I. Applegate 1895-5-29 s.n. Siskiyou Mount Shasta 1828 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  JEPS49284  Ribes nevadense Willis L. Jepson 1894-8-4 13520 Siskiyou half-way up from Cedar Spring to Horse-Camp; Mt. Shasta Comment
  JEPS82696  Ribes nevadense Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow) 1912 Comment
  UC195251  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 164 Siskiyou Jackson Lake 1798 Comment
  UC60939  Ribes nevadense Geo. B. Grant September, 1902 5227 Siskiyou Shasta Springs Mount Shasta 609 Comment
  SEINET5339750  Ribes nevadense G. Butler 1910-7-12 1759 Siskiyou Dry ridge Shackleford Creek 1372 Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS82695  Ribes roezlii Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km sw Mt. Shasta city; Castle Lake 1828 Comment
  SFV1618  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  CAS-BOT-BC200013  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-4 5521 Siskiyou Summit of divide between Salmon River and Scott Valley on road to Etna Comment
  CDA25573  Ribes roezlii var. cruentum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2610 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  CDA25583  Ribes sanguineum var. sanguineum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA0019710  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka. Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  HSC23472  Ribes viscosissimum J. O. Sawyer 1968-6-25 293 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC1182087  Ribes viscosissimum C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (Poker Flat) Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  RSA237225  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou West side of Horse Lake Range. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  CHSC105278  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS107294  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2005-6-10 12079 Siskiyou On the north side of the Shasta River, about 60 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
  UC1871387  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  CHSC9503  Rosa bridgesii J. F. Goodwin 1971-7-3 140 Siskiyou North side of road on hillside, 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC164424  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1219 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  HSC29361  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC147320  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC69286  Rubus parviflorus Maralyn A. Renner 1980-7-24 1951 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC157163  Rubus ursinus Alice Eastwood 1917-9-2 6688 Siskiyou Shasta Springs Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  UCSB16644  Rubus ursinus Breedlove, Dennis 1962-6-11 Siskiyou About 20 miles west of Fort Jones; Marble Mountains 914 Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC422221  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 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
  RSA237871  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-18 1428 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CAS-BOT-BC103546  Salix commutata Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  POM362936  Salix eastwoodiae L. R. Short 1933-8-6 116 Siskiyou Bear Lake. Marble Mtns. 2073 Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  RSA0034683  Salix lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  UC163727  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek Comment
  UC375235  Salix lasiandra subsp. lasiandra Geo. D. Butler 1908-7-9 523 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC125463  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125478  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 652 Siskiyou Sisson Comment
  CAS-BOT-BC107074  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  POM362720  Salix lasiolepis H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  CAS-BOT-BC124901  Salix lemmonii W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC482243  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 421 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, edge of stream above Metcalf ranch house); Mt. Eddy 1425 Comment
  CAS-BOT-BC126126  Salix scouleriana L. S. Smith 1931-6-7 18 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC129047  Salix scouleriana W. R. Dudley 1907-8-18 s.n. Siskiyou Shore of Jackson's Lake Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481726  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  JEPS38528  Salix sitchensis Geo. D. Butler 1908-8-6 149 Siskiyou Independence Creek Whiskey Camp 1676 Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  JEPS106456  Sambucus mexicana J. K. Nelson 2004-8-29 2004 -94 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  UC584355  Sanguisorba annua G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2431 Siskiyou along Sulloway Creek (near Mt. Shasta); , along Sulloway Creek 1158 Comment
  UC1037445  Sanguisorba minor subsp. muricata Douglas Barbe 1955-7-5 97 Siskiyou on French Creek 11 mi s Etna; Klamath Mountains, s of Etna on French Creek 1066 Comment
  RSA42328  Sanicula graveolens Lincoln Constance, R. Shan 1946-5-31 3059 Siskiyou East bank of Sacramento river at Dunsmuir 701 Comment
  CHSC95104  Sanicula tuberosa L. P. Janeway 2006-7-2 8737 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Edge of large moist meadow. 1585 Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  JEPS84268  Saxifraga aprica L. R. Heckard with J. Hickman et al. 1986-7-17 6465 Siskiyou 5 mi n of the town of Seiad Valley (Trail up Kangaroo Peak, s of Lily Pad Lake); Kangaroo Peak 2011 Comment
  UC1190119  Saxifraga bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  POM92223  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta, Rim Hills. Comment
  HSC60781  Saxifraga howellii V. Stansell 1968-7-8 Siskiyou Bell Echo (Bell Echo Camp) in Youngs Valley. Comment
  UC609344  Saxifraga odontoloma Eleanor Burks Hart 1938-8-20 900 Siskiyou Upper Wright Lake 2225 Comment
  RSA261464  Saxifraga oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  UC166561  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou Highland Mine Comment
  RSA13911  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1934-9-16 3271 Siskiyou Walker, Klamath River 518 Comment
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC89803  Scirpus congdonii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  POM116868  Scirpus congdonii Geo D. Butler 1910-7-9 1696 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC110863  Scirpus lineatus Louis C. Wheeler 1934-7-17 2914 Siskiyou Sunny wet meadow, Cottonwood Creek, Siskiyou Mts. 883 Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  CHSC62563  Scutellaria antirrhinoides L. P. Janeway 1993-8-30 4571 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  SBBG25863  Scutellaria antirrhinoides D. Myrick 1966-8-9 1507 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC214254  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Near Igerna Comment
  RSA82350  Scutellaria nana F. W. Peirson 1923-7-19 3826 Siskiyou 20 miles north of Bray. Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  HSC104260  Sedum kiersteadiae P. F. Zika 2013-6-28 26289 Siskiyou Klamath Range; Route 26; 0.6 air km WNW of Gumboot Lake 1960 Comment
  UCR278356  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Klamath Range, Route 26, 0.6 air km west-northwest of Gumboot Lake 1960 Comment
  HSC59373  Sedum lanceolatum Thomas W. Nelson, J. P. Smith 1979-6-15 4808 Siskiyou Above road to Carmen Lake, 0.6 mi. from junction with State Rte. 3 1738 Comment
  JEPS40927  Sedum obtusatum subsp. boreale E. K. Balls and P. C. Everett 915 Siskiyou Indian Creek Road to O'Brien (Oregon) 20 mi nw of Route 96 at Happy Camp; nw of Route 96 at Happy Camp Comment
  UC198706  Sedum oregonense Annie Alexander and Louise Kellogg Siskiyou Wildcat Pk 2496 Comment
  POM229949  Sedum oregonense L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1220 Comment
  RSA0083647  Sedum oregonense Frederick W. Oettinger 1968-9-7 770 Siskiyou NW-facing slope of Golden Peak, due SE of Tobacco Lake and at approx. mid slope. 2012 Comment
  RSA0074741  Sedum spathulifolium L. C. Wheeler 1934-6-4 2637 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mts. 701 Comment
  JEPS79405  Selaginella wallacei Edward Lee 1934-8-12 1044 Siskiyou between Hamburg and Seiad Valley (n side Klamath River near mouth of Walker Creek) 426 Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  UCD135520  Senecio aronicoides Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  JEPS93892  Senecio hydrophilus Vernon H. Oswald and Lowell Ahart 1998-7-21 9348 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CDA8623  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  CAS-BOT-BC363934  Senecio integerrimus var. exaltatus Wm. Bridge Cooke 1938-9-8 11675 Siskiyou Mount Shasta. East fork of Panther Creek Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69084  Senecio triangularis Maralyn A. Renner 1980-8-4 2217 Siskiyou Flint Valley 1390 Comment
  HSC78188  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  OBI55462  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23542 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  POM255759  Senecio triangularis Marion Ownbey, Ruth Ownbey 1938-7-20 1759 Siskiyou 1 mile NW of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  RSA237446  Senecio triangularis Frederick W. Oettinger 1967-8-20 291 Siskiyou Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Stream bank below stream, Tom Taylor Cabin. 2049 Comment
  JEPS95250  Shepherdia canadensis Janet and Steve Edwards 1995-7-30 Siskiyou Parks Creek Road (USFS Road 17; Stewart Springs Road of some maps) 1731 Comment
  UC1034574  Sidalcea asprella subsp. nana Douglas Barbe 1955-7-26 271 Siskiyou nw Scott Mtn; Klamath Mountains, nw slope Scott Mtn 1828 Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  HSC177  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-2 227 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  HSC76678  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-23 300 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS84224  Silene bernardina L. R. Heckard with J. Hickman et al. 1986-7-17 6499 Siskiyou ca 14.5 mi from Hwy 96 Walker (near Dry Lake, Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC19238  Silene douglasii J. O. Sawyer 1969-8-2 1710 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CAS-BOT-BC388958  Silene grayi John Thomas Howell 1939-8-8 15168 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  POM151379  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  UC60937  Silene grayi Geo. B. Grant September 1902 5094 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  CAS-BOT-BC181255  Silene hookeri subsp. hookeri Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  HSC67687  Sisyrinchium bellum John S. Palmer 1980-7-24 636 Siskiyou Elk Hole 1503 Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 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
  UC429235  Sisyrinchium bellum unknown April 1903 Siskiyou Yreka; Mount Mooney Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 Comment
  NY820314  Solanum triflorum L. C. Wheeler 1935-7-13 3655 Siskiyou Ager 792 Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  RSA428812  Solanum villosum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  RSA473675  Solidago canadensis subsp. elongata L. S. Rose 1937-7-26 37604 Siskiyou McCloud 1006 Comment
  UC36249  Solidago elongata Edward L. Greene 1876-8-8 971 Siskiyou near Yreka Comment
  UC133241  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  CAS-BOT-BC374523  Sonchus asper W. B. Cooke; V. G. Cooke 1963-7-12 34329 Siskiyou Memorial Highway, Mt. Shasta Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  CAS-BOT-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61979  Sorbus californica Al Hobart 1961-7-16 Siskiyou Preston Peak 1982 Comment
  JEPS95134  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  RSA211471  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin. 1677 Comment
  RSA0097342  Spergularia rubra Frederick W. Oettinger 1968-8-23 621 Siskiyou Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Upper English Lake. 1768 Comment
  UCR95629  Spiraea densiflora L. C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  HSC18955  Spiraea douglasii J. O. Sawyer 1969-8-4 1917 Siskiyou South Sugar Creek 2043 Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  LA208261  Spiraea douglasii Louis C. Wheeler; 1934-8-16 3176 Siskiyou Siskiyou Mountains, 2.0 mi. SE White Mt 1737 Comment
  RSA300520  Spiraea douglasii John Dourley, Walter Wisura 1982-10-16 3875 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  RSA304937  Spiraea douglasii James R. Shevock 1972-7-26 2226 -A Siskiyou Along the Klamath River. 518 Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  SBBG126114  Stachys pilosa L. Ahart, J. Dittes 2010-7-30 16948 Siskiyou S edge of Shasta River, ca. 80 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  HSC19087  Stellaria crispa J. O. Sawyer 1969-8-5 1766 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  CAS-BOT-BC391222  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  HSC58  Stellaria longipes subsp. longipes William J. Ferlatte 1966-6-23 140 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC1299354  Stenanthium occidentale Freed W. Hoffman 1951-7-15 4043 Siskiyou w side Kelsey Creek (Hammond Camp); Marble Mountains 1524 Comment
  CAS-BOT-BC375099  Stephanomeria Alice Eastwood 1912-7-20 1255 Siskiyou Hornbrook Comment
  UC618866  Stephanomeria lactucina unknown 1938-7-29 11389 Siskiyou Howard Mount Shasta 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
  UC1540142  Stephanomeria tenuifolia Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9256 Siskiyou Caldwell Butte Lava Beds National Monument 1499 Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC45902  Stipa occidentalis var. occidentalis Laura Witherspoon 1978-8-18 102 Siskiyou Klamath National Forest, road to Ball Mtn. Lookout 2134 Comment
  JEPS19691  Streptanthus barbatus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5966 Siskiyou at river's source in the region just s Mount Eddy (along very poor mt road to Gumboot Lake); Canyon of the South Fork of the Sacramento River 1371 Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC87870  Streptanthus tortuosus Robert F. Thorne; Fred Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  CAS-BOT-BC87873  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Peak. 1645 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  LA51459  Streptanthus tortuosus Reed C. Rollins; 1938-8-21 11555 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC1492822  Streptanthus tortuosus Freed W. Hoffman 1950-7-13 3383 Siskiyou on road to Indian Creek 0.4 mi from Baldy Lookout (w Siskiyou Co.) Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  UC166199  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackleford Creek Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  JEPS12887  Symphoricarpos mollis W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  HSC4014  Symphoricarpos rotundifolius var. rotundifolius R. C. Wunner 1965-8-21 468 Siskiyou California Lava Beds National Monument, 1/4 mile from Cinder Pit on Caldwell Butte. 1402 Comment
  CAS-BOT-BC300523  Symphyotrichum foliaceum var. parryi R. C. Wenk 2008-7-24 929 Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1889 Comment
  CAS-BOT-BC376854  Taraxacum Wm. Bridge Cooke 1939-6-23 13532 Siskiyou Mount Shasta. At Wagon Camp Comment
  CDA7683  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2640 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  RSA184711  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC81350  Taxus brevifolia W. F. Barbat 1922-5-29 s.n. Siskiyou Hamburg Comment
  UC719802  Taxus brevifolia R. McVaugh 1941-8-4 6233 Siskiyou n of Shasta Retreat (rocky banks of the Sacramento River); Sacramento River Comment
  RSA789618  Taxus brevifolia var. reptaneta Richard W. Spjut 2010-7-4 16717 Siskiyou 19 road miles south of the Forks-of-the-Salmon, tributaries to the West Fork of Knownothing Creek, topotype. 1067 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UC858887  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake; Marble Mts. 1828 Comment
  HSC29429  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's lake 1860 Comment
  JEPS117554  Tetradymia canescens Lowell Ahart, John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  RSA94943  Tetradymia canescens F. W. Peirson 1923-7-19 3928 Siskiyou Whitney Creek, Mt. Shasta. Comment
  UC1282005  Thelypodium brachycarpum Louise Kellogg Aug 5 1953-Aug 7 1953 99 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  UC1094392  Thlaspi montanum var. montanum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5951 Siskiyou above s end Gumboot Lake (ca 6 mi due s Mt. Eddy, head of South Fork Sacramento River, Gumboot Lake); head of South Fork Sacramento River, Gumboot Lake 1859 Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  CAS-BOT-BC66797  Thysanocarpus curvipes Alice Eastwood; John Thomas Howell 1936-6-13 2761 Siskiyou Junction of Klamath and Shasta rivers. Comment
  UC165986  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou near Yreka; near Yreka Comment
  POM354792  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  CAS-BOT-BC169255  Toxicodendron diversilobum Alice Eastwood 1922-10-18 11529 Siskiyou Shasta Sprnigs Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  CHSC88105  Tragopogon dubius Jenny Marr 1993-7-1 115 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  NY444545  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Comment
  HSC61458  Trichostema oblongum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UCD78041  Trichostema simulatum Robert E. Preston 2002-6-22 1886 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89 958 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  UC166586  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  SEINET8565491  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain. 1219 Comment
  JEPS75368  Trifolium cyathiferum Geo. D. Butler 1909-6-20 919 Siskiyou near Yreka (McNutty's field) Comment
  RSA322035  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-4 12901 Siskiyou 8.1 miles west of Gazelle. Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  HSC61930  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC922394  Trifolium howellii Annie M. Alexander and Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley Marble Mtns 1767 Comment
  HSC78211  Trifolium longipes L. P. Janeway 1983-7-10 400 Siskiyou Poker Flat 1524 Comment
  HSC81684  Trifolium longipes Thomas W. Nelson, Jane P. Nelson 1980-7-20 6167 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC82379  Trifolium longipes Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4532 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA184745  Trifolium longipes var. shastense Gilbert Muth 1966-8-3 s.n. Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  JEPS65972  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  JEPS66038  Trifolium pratense W. L. Jepson 1914-8-14 6167 Siskiyou Dunsmuir 670 Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  HSC36434  Trifolium productum J. O. Sawyer 1969-7-24 1478 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC230884  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mt. 1676 Comment
  UCD78178  Trifolium retusum Robert E. Preston 2008-5-13 2630 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River 229 Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  SBBG1079  Trillium ovatum D. Myrick 1961-6-21 304 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  RSA211419  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  RSA234818  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou Off Music Creek logging road, Statue Creek spur along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC200089  Trisetum canescens Doris K. Kildale 1928-8-18 6482 Siskiyou Near head of north fork of Salmon River near Finley's Upper Camp Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  UCD93302  Trisetum canescens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3437 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  JEPS40858  Trisetum spicatum Paul C. Hutchison 1962-8-2 937 Siskiyou between meadow and top of ski lift Panther Meadow; Mt. Shasta 2621 Comment
  JEPS84004  Trisetum spicatum L. R. Heckard with J. Hickman et al. 1986-7-17 6473 Siskiyou ca 5 mi n town of Seiad Valley (trail up Kangaroo Peak, s of Lily Lake Pad); Kangaroo Peak 1800 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC133488  Triteleia crocea L. E. Smith 1914-5-21 702 Siskiyou Yreka Comment
  CAS-BOT-BC133494  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 914 Comment
  HSC44922  Triteleia crocea J. P. Smith 1974-5-25 7377 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA60793  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 915 Comment
  UC635729  Triteleia crocea D. Tebbe 1929-6-7 144 Siskiyou open rocky hillside Mt. Eddy Comment
  SD76190  Tsuga mertensiana Helen V. Witham 1969-10-6 556 Siskiyou west face, granite cliffs above Kangaroo Lake 2100 Comment
  CAS-BOT-BC80251  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-7-7 s.n. Siskiyou On Big M trail Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  JEPS43439  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka (Butler Creek); Butler Creek Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 Comment
  SEINET7040104  Vaccaria hispanica A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  HSC22452  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1595 Siskiyou Above Horseshoe Lake 1921 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  HSC91333  Vaccinium cespitosum Jennifer Whipple 1976-6-12 973 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  LA44627  Vaccinium cespitosum H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  LA44628  Vaccinium cespitosum Wm. Bridge Cooke; 1939-8-24 13896 Siskiyou Mt. Shasta, Panther Meadow, Heather meadows, lower portions Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  CHSC88612  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  HSC60771  Vaccinium membranaceum Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69426  Vaccinium parvifolium Edward Palmer 1980-7-23 563 Siskiyou Past Elbow Springs at end of F.S. road 15N19 1220 Comment
  HSC19097  Vaccinium scoparium J. O. Sawyer 1969-8-1 1620 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  HSC19416  Vaccinium scoparium J. O. Sawyer 1968-7-22 547 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS58725  Vaccinium uliginosum subsp. occidentale Willis L. Jepson 1894-1 14689 Siskiyou Sisson Upper Sacramento Region Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  JEPS101147  Valerianella locusta Dean W. Taylor 1996-6-20 15716 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS107659  Valerianella locusta Lowell Ahart, John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UCSB63787  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou collected 0.40 mi SE, along the S-side of Tenant Road to Bray Old State Highway - Tenant Road, Old State Highway and Bray 1523 Comment
  UC1187638  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan road 13 mi e Cecilville; Salmon Mountains; Sheet 2 1371 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  SEINET9225188  Verbena lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka. Comment
  UC1045318  Verbena lasiostachys var. lasiostachys W. Bridge Cooke 1940-6-20 15149 Siskiyou along the Pacific Hwy in the Klamath River Gorge Comment
  RSA0084072  Veronica alpina var. alterniflora William J. Ferlatte 1966-6-23 133 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  RSA426465  Veronica americana Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  RSA426466  Veronica americana M. B. Dunkle 1944-6-25 9007 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC91122  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-8-6 2231 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA120938  Veronica serpyllifolia var. humifusa H. K. Wagnon 1957-8-11 1708 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  RSA238796  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD124785  Veronica triphyllos Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 914 Comment
  HSC18953  Vicia americana var. americana J. O. Sawyer 1968-7-10 517 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC23594  Vicia americana var. americana J. O. Sawyer 1971-7-9 2421 Siskiyou 1402 Comment
  RSA78673  Vicia americana var. americana Philip A. Munz 1952-7-1 17866 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC270227  Viola adunca L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  HSC4488  Viola adunca William J. Ferlatte 1966-6-22 98 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA256606  Viola adunca J. P. Smith 1974-5-25 7464 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  UC1282006  Viola adunca Louise Kellogg Aug 5 1953-Aug 7 1953 101 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest 1844 Comment
  UC1584295  Viola adunca J. Kierstead 1990-5-12 90 -77 Siskiyou 1.5 mi n of South Fork Sacramento River (Mount Shasta R. D.); Fawn Creek Meadow 1828 Comment
  UC19270  Viola adunca Harley P. Chandler June, 1901 1585 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC726394  Viola adunca A. A. Heller 1919-6-27 13273 Siskiyou Metcalfs Comment
  CAS-BOT-BC264075  Viola adunca Ella Dales Cantelow 1936-5-20 1447 Siskiyou N slope of Scott Mountain Comment
  RSA45342  Viola adunca Dorothy Parker 1945-6-18 94 Siskiyou Along Bear Creek. 1829 Comment
  UC903494  Viola arvensis Dorothy Parker 1948-6-3 Siskiyou along Scott River (near Fay Lane Bridge); , Scott Valley Comment
  UC1483462  Viola glabella Maralyn A. Renner 1980-7-14 1726 Siskiyou headwaters of Etna Creek (near