Search Results — 2000 specimen records retrieved (1396 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  HSC69281  Abies concolor Maralyn A. Renner 1980-7-24 1967 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC336751  Abies concolor unknown 1891-11-12 Siskiyou Sissons Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 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
  HSC5001  Abies lasiocarpa J. O. Sawyer 1969-8-2 1696 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC68328  Abies magnifica Maralyn A. Renner 1980-6-26 1243 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  UC454748  Acer glabrum var. glabrum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 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
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  HSC22298  Achillea millefolium J. O. Sawyer 1969-6-11 823 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  SEINET7593425 Image available Achnatherum occidentale A. S. Hitchcock 1934-1 12390 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC210874  Achnatherum occidentale subsp. californicum R. E. Frenkel 1965-6-14 954 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta 1399 Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UC454474  Aconitum columbianum Ira J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake Comment
  HSC82224  Aconitum columbianum subsp. columbianum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4517 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC96416  Aconitum columbianum subsp. columbianum Gordon Leppig, J. Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  CAS-BOT-BC391541  Aconitum columbianum subsp. columbianum C. G. Pringle 1881-8-15 s.n. Siskiyou Castle Lake 1828 Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC412909  Aconogonon davisiae A. A. Heller 1920-7-9 13429 Siskiyou Long bare easterly slope of Mt. Eddy 2438 Comment
  CAS-BOT-BC413841  Aconogonon davisiae R. E. Frenkel 1964-10-2 888 Siskiyou East of Everitt Memorial Highway near Mount Shasta 2304 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC68883  Adiantum aleuticum Maralyn A. Renner 1980-6-23 980 Siskiyou W Fork Seiad Creek 878 Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  RSA239284  Adiantum aleuticum Frederick W. Oettinger 1966-6-23 28 Siskiyou Cecil Creek about 100 yards from where it crosses Black Gulch Road, Salmon River District, Klamath National Forest, Cecilville Comment
  UC1026513  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along rd. just e. Montague Comment
  CAS-BOT-BC123  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  UC164008  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  UCLA72413  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  UC61070  Ageratina occidentalis W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou 18th crossing Sisson; Mount Shasta Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  HSC92333  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1555 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  CAS-BOT-BC21369  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Common around Marble Valley Comment
  JEPS36216  Agoseris grandiflora Geo. D. Butler 1909-6-4 761 Siskiyou near Yreka Comment
  UC163883  Agoseris grandiflora var. grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Yreka Comment
  UC163890  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-6-4 761 Siskiyou Yreka Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  CHSC33063  Agoseris heterophylla James P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass road. Comment
  UC618704  Agoseris monticola W. B. Cooke 1938-9-8 8200 Siskiyou near, in lava fields South Gare Springs; Mt. Shasta 2499 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  HSC2195  Agrostis exarata L. C. Wheeler 1934-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt. 1280 Comment
  HSC26916  Agrostis exarata J. P. Smith, J. O. Sawyer 1971-9-17 4779 Siskiyou Little Duck Lake Comment
  HSC76679  Agrostis exarata K. T. Stillman 1976-7-30 329 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC53498  Agrostis exarata W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD35431  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52402  Agrostis exarata E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD53188  Agrostis pallens A. H. Murphy 1955-7-28 55 I Siskiyou Hancock Lake, Marble Mountains, Klamath National Forest. 1889 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  CAS-BOT-BC138482  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  UCD53690  Agrostis variabilis A. H. Murphy 1953-7-29 KNF 14 Siskiyou Steavale Canyon, Kalmath National Forest. 1524 Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  UC357193  Allium bolanderi var. bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou near Oro Fino Comment
  HSC68554  Allium campanulatum Maralyn A. Renner 1980-6-8 797 Siskiyou Slopes E of Hwy. 3 1341 Comment
  RSA120497  Allium campanulatum S. S. Tillett 1956-7-11 698 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC1045265  Allium campanulatum W. Bridge Cooke 1940-7-5 15245 Siskiyou along the road below Wagon Camp; Mount Shasta Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  UC593521  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  UC1299636  Allium siskiyouense Freed W. Hoffman 1950-7-13 3239 Siskiyou higher peak of Baldy Mountain Baldy Mountain 1737 Comment
  UC1299750  Allium siskiyouense Freed W. Hoffman 1948-7-8 2589 Siskiyou 7.5 mi n West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road 1402 Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  POM170268  Allium validum Geo D. Butler 1910-6-19 1577 Siskiyou Goosenest Foothills. 1524 Comment
  RSA237880  Allium validum Frederick W. Oettinger 1968-8-1 343 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC453447  Allotropa virgata Wm. Bridge Cooke 1939-7-21 13737 Siskiyou Mount Shasta: Along the Wagon Camp-Horse Camp Trail 2133 Comment
  HSC29266  Alnus incana subsp. tenuifolia Frederick W. Oettinger 692 Siskiyou Marble Mtn. Wilderness Area, outlet of Abbotts Lake 1723 Comment
  LA204101  Alnus incana subsp. tenuifolia C. B. Wolf; 1930-10-22 1752 Siskiyou 1 mi. W of Mt. Shasta City 1066 Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  RSA183479  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  UC375244  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou Shasta River Comment
  CHSC33176  Alyssum alyssoides R. E. Preston 1981-5-2 63 Siskiyou In field, ca. 150 m s of Irongate Reservoir a Camp Creek Recreation Area; ca. 32 km ne of Yreka. 700 Comment
  UC1258474  Alyssum alyssoides Maralyn A. Renner 1980-6-22 928 Siskiyou 1 mi n of Little Shasta River (Klamath National Forest); Klamath National Forest 1402 Comment
  CDA3620  Alyssum alyssoides G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2647 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  RSA477429  Alyssum alyssoides Edwin Kline 1920-6-24 14849 Siskiyou Siskiyou Mts. Comment
  HSC65316  Amaranthus powellii J. P. Smith, Steve Selva 1970-8-9 4584 Siskiyou In potato fields W of Macdoel. Comment
  HSC86363  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4232 Siskiyou Top of Medicine Mtn. 2085 Comment
  HSC41465  Amelanchier pallida J. P. Smith, Steve Selva 1970-6-16 4065 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC4960  Amelanchier pallida J. O. Sawyer 1968-7-9 423 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC136895  Amelanchier utahensis D. E. Breedlove 1962-6-11 3363 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  JEPS45125  Amelanchier utahensis W. L. Jepson Jul 1894 59 a Siskiyou Sisson 792 Comment
  POM369883  Amsinckia intermedia Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  RSA0089707  Amsinckia intermedia Dorothy Parker 1946-6-6 4 Siskiyou Plowman s Valley. 1159 Comment
  HSC3533  Amsinckia tessellata var. tessellata D. M. Thomson 1965-7-17 149 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  CHSC63492  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1994-8-1 6416 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  UC1409447  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1775 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC1190150  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou trail to Caribou Lake (summit of ridge above Thompson Creek) 1999 Comment
  HSC22418  Anemone lyallii J. O. Sawyer 1969-7-3 1047 Siskiyou Near Lipstick Lake 1951 Comment
  CAS-BOT-BC391931  Anemone lyallii W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, Mt Shasta region Comment
  HSC55712  Anemone occidentalis G. L. Clifton, Griswold 1979-7-26 10123 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS52320  Anemone oregana Wayne Roderick 1963-6-12 Siskiyou e Cook and Green Pass (n of Seiad Valley); Siskiyou Mtns 1524 Comment
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC67032  Anisocarpus madioides J. P. Smith, Steve Selva 1970-6-14 3881 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  HSC103575  Antennaria argentea Thomas W. Nelson, Jane Nelson 1985-6-19 7820 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  UC454329  Antennaria argentea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  JEPS13376  Antennaria dimorpha George D. Butler 1909-4-4 573 Siskiyou near, (at Butcher Hill) Yreka; Butcher Hill Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  CAS-BOT-BC58719  Antennaria geyeri Alice Eastwood 1921-7-25 10814 Siskiyou Bigelows, McCloud River Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC58720  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou Near McCloud Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC77301  Antennaria media G. J. Muth 1969-8-8 1298 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  HSC45205  Antennaria racemosa J. O. Sawyer, E. Cope 1977-6-20 2973 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  RSA211485  Antennaria rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  HSC45048  Antennaria rosea subsp. rosea J. O. Sawyer 1978-6-19 3256 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CDA24198  Aquilegia formosa Don Shaw 1979-7-5 Siskiyou Greenhorn Creek area, near Yreka. 0 Comment
  UC1299659  Arabis Freed W. Hoffman 1951-7-15 4056 Siskiyou on w side Kelsey Creek (w Siskiyou County); Marble Mountains, Hammond Camp 1524 Comment
  HSC46810  Arabis breweri var. breweri William J. Ferlatte 1974-7-15 1544 Siskiyou Grouse Ridge along Trinity Co. line, 100 yds. N of Dorleska Summit 2134 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  HSC27307  Arabis platysperma J. P. Smith, J. O. Sawyer 1971-9-16 4770 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS53187  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn Mountain Comment
  UC1076033  Arabis subpinnatifida Herbert L. Mason 1947-5-17 14796 Siskiyou above Scott Mountain Pass (Siskiyou-Trinity counties) Comment
  UCD128227  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou 1 miles east of Steinacher Creek Road on road to Forks of Salmon. Comment
  SEINET2471286  Arceuthobium abietinum R. L. Mathiasen 2007-9-15 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park 1340 Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  UC375254  Arceuthobium campylopodum Geo. D. Butler 1908-8-4 270 Siskiyou Shackleford Creek Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  SEINET2116924  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-11 2004 -31 Siskiyou Snowslide Lake. Trinity Alps Wilderness Area 1975 Comment
  CAS-BOT-BC102217  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Dutch Creek off Klamath River, Siskiyou Mts. 701 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  CAS-BOT-BC39987  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy. above Dobkins Lake. 2133 Comment
  SEINET11989082  Arctostaphylos nevadensis subsp. knightii R. Raiche, Zadnik, K. 1982-1 20558 Siskiyou Deadwood Lookout near Yreka 1676 Comment
  CAS-BOT-BC46492  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta. Comment
  CAS-BOT-BC46498  Arctostaphylos patula Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta. Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  POM101419  Arenaria congesta Geo. D. Butler 1910-6-5 1514 Siskiyou Shackleford Creek near Log Lake Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  SD88372  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  JEPS125847  Arnica dealbata Dean W. Taylor 1996-7-7 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC4913  Arnica discoidea J. O. Sawyer 1968-7-23 616 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC585251  Arnica discoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1997 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  CAS-BOT-BC82547  Arnica discoidea Alice Eastwood 1912-8-30 2046 Siskiyou Mount Eddy Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  CAS-BOT-BC82660  Arnica latifolia H. A. Thomas; J. H. Thomas 1954-7-24 4490 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC713  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Carabou Basin 2287 Comment
  RSA237422  Arnica latifolia Frederick W. Oettinger 1967-7-30 220 Siskiyou Near the campsite at the N end of Abbotts lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC384653  Arnica ovata Andrew Townesmith; Karen M. Meyer 2007-7-30 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  RSA238807  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1859 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  SFV8414  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  CAS-BOT-BC90477  Artemisia douglasiana Nora Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  UC705671  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou Cayenne Ridge Marble Mountain Comment
  POM301723  Asclepias cordifolia Marion Ownbey, D. H. Brown 2423 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  SEINET10890225  Asclepias fascicularis H. E. Brown 1897-8-1 Brown 596 Siskiyou Mt. Shasta, S side Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  POM129817  Asclepias speciosa Geo. D. Butler 1910-6-8 s.n. Siskiyou Dry land near Yreka Comment
  HSC23619  Aspidotis densa J. O. Sawyer 1969-7-24 1512 Siskiyou SE facing slope W of Sugar Lake 1905 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
  SBBG17697  Aspidotis densa M. A. Piehl 1956-8-14 Siskiyou N of Happy Camp Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  CAS-BOT-BC69600  Aspidotis densa Doris K. Kildale 1929-8-24 9034 Siskiyou Rattlesnake Meadow on trail to Preston Peak. 1676 Comment
  RSA760930  Aspidotis densa R. F. Thorne, Frederick W. Oettinger 1969-8-4 63380 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  RSA184625  Aster intermedius Clare B. Hardham 1965-08 13003 Siskiyou Near Cudahy Lakes, Marble Mountains. Paso Robles. Comment
  CAS-BOT-BC310334  Asteraceae R. C. Wenk 2005-7-15 236 B Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  POM24210  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Creek Comment
  UC1128798  Astragalus curvicarpus var. curvicarpus M. H. Mitchell 1936-5-14 Siskiyou Hospital Rock Dorris Quad., Modoc Lava Beds Natl Monument, Hospital Rock 1249 Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC182965  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA275306  Astragalus purshii var. tinctus Jennifer Whipple 1976-5-2 915 Siskiyou Scott Valley near Weston Gulch. Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) 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
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  UC922424  Athyrium distentifolium var. americanum Annie M. Alexander and Louise Kellogg 1949-7-22 5834 Siskiyou trail to King's Castle Paradise Lake; Marble Mts 1981 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  CAS-BOT-BC66196  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-1 1685 Siskiyou Shackleford Creek 1219 Comment
  SEINET516139  Atriplex rosea Vernon H. Oswald 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1244 Comment
  RSA210844  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39036 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  CHSC106105  Azolla microphylla Lowell Ahart; John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  CAS-BOT-BC106501  Balsamorhiza deltoidea Alice Eastwood 1923-5-23 11927 Siskiyou Cantara Comment
  JEPS95668  Balsamorhiza lanata Vernon H. Oswald and L. Ahart 1999-7-5 9811 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5000 ft, yellow pine forest, serpentine substrate 1524 Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  CHSC477  Barbarea orthoceras M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1037383  Beckmannia syzigachne Douglas Barbe 1955-7-5 107 Siskiyou Greenview Klamath Mountains (e limit, on road to Fort Jones) 883 Comment
  CDA11583  Berberis aquifolium var. aquifolium G. F. Hrusa 1995-7-1 12429 Siskiyou Siskiyou Mountains; Along Indian Creek, approx. 10 miles N of Happy Camp. Comment
  JEPS82697  Berberis aquifolium var. aquifolium Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow); South China Mt 2286 Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  HSC96825  Berberis nervosa S. Lyon 2006-7-16 9 Siskiyou E of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC75932  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC75938  Berberis piperiana W. R. Dudley 1901-8-26 s.n. Siskiyou Trail above Callahans. Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  CAS-BOT-BC169484  Betula occidentalis Dorothy Parker 1947-4-27 177 -A Siskiyou East Fork of Scott River Plowman's Valley 1158 Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC68981  Bistorta bistortoides Maralyn A. Renner 1980-7-24 2060 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC413070  Bistorta bistortoides L. S. Smith 1913-6-1 333 Siskiyou Sisson Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  CAS-BOT-BC127941  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  LA204396  Boechera howellii Wm. Bridge Cooke; 1939-7-26 13773 Siskiyou Mount Shasta, along the Summit Trail below Lake Helen 2895 Comment
  CAS-BOT-BC13809  Boechera howellii William Bridge Cooke 1941-8-14 16177 Siskiyou Mount Shasta. Above Horse Camp. 2743 Comment
  CAS-BOT-BC25420  Boechera retrofracta Doris K. Kildale 1929-4-27 7855 Siskiyou Upper South Fork of Salmon River. Cecilville. Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  JEPS53075  Boechera retrofracta W. L. Jepson 1907-7-5 2834 Siskiyou Marble Mt. 1828 Comment
  SEINET3132274  Boechera retrofracta G. D. Butler 1163 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  SEINET3166094  Boechera rollei P. J. Alexander 2008-7-24 871 -A, B Siskiyou Below the Pacific Crest Trail on the W side of Lilypad Lake, +-0.55 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1768 Comment
  SEINET10627096 Image available Boechera rollei W. E. Rolle 1983-8-4 Rolle 831 Siskiyou Open places on sparsely forested slopes, peridotite rocks and soil derived and Klamath rivres, Red Butte-Kangaroo Mt.-Lilypad Lake- Towhead Lake region, T47N R12W, Sec. 13. 1646 Comment
  CAS-BOT-BC410948  Boechera sparsiflora L. E. Smith 1913-5-28 309 Siskiyou Yreka Comment
  CAS-BOT-BC25689  Boechera sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Modoc Lave Beds. Captain Jack's Stronghold. Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  JEPS74438  Boykinia major W. J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  RSA84355  Boykinia major F. W. Peirson 1926-7-11 7022 Siskiyou About half way up grade W of Etna or Etna Mills. Comment
  UC718020  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 7/10 mi below mouth of Dillon Creek; Siskiyou Mountains, Klamath River, Dillon Creek 243 Comment
  CDA24166  Brasenia schreberi P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  CAS-BOT-BC30274  Brassica nigra R. E. Frenkel 1964-7-13 676 Siskiyou On graded right of way to west of Everitt Memorial Highway. 1283 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UCR19259  Brickellia greenei John C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka Comment
  CAS-BOT-BC144101  Bromus W. R. Dudley 1901-8-23 s.n. Siskiyou East Slope of Foxtail Ridge. Comment
  CAS-BOT-BC149495  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Shasta Valley. Gazelle. Comment
  UCD58313  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3388 Siskiyou At Weed. Comment
  UCD59121  Bromus carinatus var. marginatus Beecher Crampton 1956-8-21 3816 Siskiyou Ca. 15-16 miles southwest of Mt. Shasta City. Above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD59199  Bromus carinatus var. marginatus Geo. D. Butler 1908-7-3 486 Siskiyou Near Yreka. Comment
  HSC2194  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Siskiyou Mts., Klamath River at Ash Creek. 610 Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD59486  Bromus diandrus P. B. Kennedy 1923-7-29 s.n. Siskiyou By Camp Sisson. Comment
  CAS-BOT-BC155217  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  HSC103041  Bromus hordeaceus J. P. Smith 2014-6-7 13899 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  CDA15578  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Gravelly, +- compacted pullout along side rd. Dense colony, not seen elsewhere in local area. Annual. Comment
  CHSC88408  Bromus japonicus Jenny Marr 1993-7-1 167 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA211238  Bromus marginatus William J. Ferlatte 1966-6-23 138 Siskiyou along the Yellow Rose Mine Trail. 1677 Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  CAS-BOT-BC185597  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou Callahan. Banks of east fork of Scott River, at Callahan Ranger Station. 975 Comment
  CAS-BOT-BC185598  Bromus tectorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53428 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan. 853 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC36429  Bromus tectorum J. O. Sawyer 1969-7-9 1216 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC204737  Bromus tectorum Geo. D. Butler 1908-6-25 475 Siskiyou near Yreka Comment
  RSA30370  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC91979  Calamagrostis breweri Jennifer Whipple 1977-8-5 2183 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA239015  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1634 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1265382  Calamagrostis canadensis F. W. Oettinger 1969-9-4 1634 Siskiyou Hancock Lake, E side Salmon Mountains 1935 Comment
  HSC23100  Calamagrostis canadensis var. langsdorffii J. O. Sawyer 1969-8-1 1605 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC67716  Calamagrostis canadensis var. langsdorffii John S. Palmer 1980-7-24 616 Siskiyou Elk Hole 1503 Comment
  RSA758079  Calamagrostis koelerioides Barbara Ertter 1990-7-14 9305 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  HSC68462  Calamagrostis nutkaensis Maralyn A. Renner 1980-7-4 1459 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC28745  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-9-4 1624 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  HSC65506  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS80595  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow Marble Mt. Wilderness, Marble Valley Meadow 1792 Comment
  POM21798  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1067 Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC81989  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1979-6-16 4867 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC618675  Calochortus nudus var. shastensis unknown 1938-7-15 11219 Siskiyou lower Wagon Camp; Mount Shasta 1706 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 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
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  UCD129885  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  POM52739  Calycadenia truncata subsp. scabrella Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  HSC45198  Calypso bulbosa J. O. Sawyer, E. Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  RSA381905  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass road. Comment
  SBBG15882  Calyptridium monospermum D. Myrick 1961-6-21 309 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  SBBG30590  Calyptridium monospermum D. Myrick 1968-6-24 2004 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  JEPS31612  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou near Yreka; near Yreka Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  UC375293  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou Fields near Yreka Comment
  CDA3579  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  RSA186581  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10462839  Campanula prenanthoides Barbe 1955-7-28 BARBE 317 Siskiyou .25 MI SW OF BIG CARMEN LAKE ON N SLOPE SCOTT MTN 5700', YELLOW PINE FOREST Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  HSC44652  Campanula rotundifolia J. P. Smith, Steve Selva 1970-7-18 4494 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA697273  Campanula rotundifolia D. W. Taylor 1996-7-11 15780 Siskiyou Klamath Mountains. Scott Mountians; West Fork Parts Creek (about 15 air miles west of Weed and 1 air miles West of Stewart Springs) Shasta- Trinity National Forest; 1329 Comment
  HSC77923  Campanula rotundifolia Wayne Rolle Aug 1983 Siskiyou 2012 Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  SEINET10905936  Campanula scabrella England 1987-7-16 ENGLAND s.n. Siskiyou Mt. Eddy Timberline. Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10463608  Campanula scouleri Smith 1913-7-12 Smith 480 Siskiyou MT. EDDY Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  SEINET10972096  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou NR. SISSON Comment
  UC890602  Campanula wilkinsiana Alice Eastwood 1912-9-1 2063 Siskiyou Mount Shasta Comment
  SEINET10463874  Campanula wilkinsiana Groves 1944-8-28 GROVES s.n. Siskiyou Panther Meadows, Mt. Shasta. Comment
  UC855731  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  JEPS80501  Carex Gilbert Muth 1966-7-8 357 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  POM80145  Carex E. B. Copeland 1903-8-14 5038 Siskiyou Sisson. Comment
  CHSC40136  Carex abrupta L. P. Janeway 1982-8-15 140 Siskiyou On steep ne-facing slope above Echo Lake. 1798 Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA757863  Carex atherodes P. F. Zika 2009-8-16 24601 Siskiyou Forest Servic eRoad 46N04, about 1 air mile south of Juanita Lake. 1540 Comment
  CHSC88397  Carex athrostachya Jenny Marr 1993-7-1 156 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC82356  Carex athrostachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4521 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET13329598  Carex aurea D. W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog along unnamed creek between Grouse Creek and Little Carmen Creek along Forest Road 40N08 1189 Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19560  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Comment
  HSC43381  Carex bolanderi Marylyn O'Meara 1974-5-25 383 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  RSA237231  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1217 Siskiyou Near Crapo Peak at Crapo View Gap. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1738896  Carex deweyana subsp. leptopoda Dean W. Taylor 1993-7-30 13985 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS121615  Carex echinata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat fen, over gabbro. China Mountain quadrangle. CLB_C Comment
  SEINET10921600  Carex epapillosa A. Arthur Heller 1922-7-15 Heller 13709 Siskiyou Plentiful in moist meadow at Medicine Lake. 2134 Comment
  UC1265343  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou sw Wiregrass Meadows (below English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC33307  Carex fracta William J. Ferlatte 1974-7-15 1535 Siskiyou Yellow Rose Mine Trail 1555 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  JEPS128455  Carex geyeri Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -056 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UCR52389  Carex gigas L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  CAS-BOT-BC28082  Carex hoodii John Thomas Howell 1937-7-25 13484 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC29640  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, near Upper English Lake 1677 Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  HSC29636  Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  HSC76813  Carex laeviculmis L. P. Janeway 1982-6-25 23 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  JEPS84072  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS121601  Carex luzulina Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  RSA237379  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Trail from base camp to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  HSC39081  Carex mendocinensis D. H. Norris 1970-5-23 12235 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 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
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  CAS-BOT-BC23418  Carex multicostata Alice Eastwood 1921-7-28 10942 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  HSC9  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1677 Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  HSC29635  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  CHSC40159  Carex nudata L. P. Janeway 1983-7-2 355 Siskiyou Along northwest shore of Klamath River ca 1 mile west of Seiad Creek. 411 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  CAS-BOT-BC118577  Carex praegracilis Louis C. Wheeler 1935-6-30 3632 Siskiyou 3 mi S Grenada, Shasta Valley 792 Comment
  RSA768927  Carex praegracilis L. Ahart, John Dittes 2010-7-30 16953 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC118778  Carex preslii John Thomas Howell 1939-8-7 15116 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC118607  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou In the meadow at Medicine Lake 2133 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
Read comments Jan 18 2008
  UCD77470  Carex raynoldsii Robert E. Preston 2002-6-21 1868 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1659 Comment
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UC1255  Carex scopulorum var. bracteosa W. H. Brewer Sep 1862 1458 Siskiyou near Shasta City; Mt. Bally Comment
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  HSC39290  Carex spectabilis J. O. Sawyer 1969-8-4 1802 Siskiyou Above Sugar Lake 2134 Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  SEINET7575726 Image available Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, north of Tom's Lake. 2012 Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC1265478  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou trail se Tom's Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  JEPS63652  Carex stipata var. stipata W. L. Jepson July 1894 56 a Siskiyou Sisson Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  HSC776  Carex subfusca William J. Ferlatte 1967-8-17 951 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC115842  Carex subfusca W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1265466  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou between King David Peak and Abbott's Basin; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC114823  Carex whitneyi J. W. Stacey 1938-7-1 11161 Siskiyou Wagon Camp. 1737 Comment
  HSC30461  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, inlet stream to Little Hancock Lake 2043 Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  HSC737  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin 1982 Comment
  UC722137  Castilleja C. L. Hitchcock and J. S. Martin 1939-7-6 5229 Siskiyou on Takilma to Happy Camp road (peak above and n of Divide of Siskiyou Mountains); Siskiyou Mountains 1828 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  HSC77054  Castilleja arachnoidea K. T. Stillman 1976-7-7 166 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS23287  Castilleja arachnoidea Rimo Bacigalupi 1959-7-1 7204 Siskiyou just w Panther Meadow (sw slopes of Mt. Shasta); Mt. Shasta 2286 Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  UC1713293  Castilleja arachnoidea Annie M. Alexander and L. Kellogg 1911-8-14 Siskiyou Mt. Eddy Comment
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  JEPS4512  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  UC1094394  Castilleja lacera Rimo C. Bacigalupi with Galen Smith 1957-6-26 5939 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  CAS-BOT-BC253619  Castilleja miniata Doris K. Kildale 1928-8-18 6480 Siskiyou head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS84014  Castilleja miniata L. R. Heckard with J. Hickman et al. 1986-7-17 6509 Siskiyou n slope Condrey Mt. 1960 Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UCD122990  Castilleja miniata J. M. Tucker; D. V. Hemphill 1974-7-27 4304 Siskiyou Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  CHSC71328  Castilleja pilosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9206 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CHSC1725  Castilleja pruinosa M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  RSA428399  Castilleja pruinosa M. B. Dunkle 1944-7-18 9132 Siskiyou Siskiyou National Forest. Comment
  JEPS79524  Castilleja tenuis L. R. Heckard 1980-7-12 5407 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, n of state highway maintenance station); Grass Lake Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC126854  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53421 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC36693  Ceanothus cuneatus Brent Whitely 1975-6-21 18 Siskiyou 223 Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments Feb 26 2013
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM85998  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley. Comment
  UCD13257  Ceanothus prostratus K. F. Mawdsley 1996-7-9 11 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  CAS-BOT-BC53028  Ceanothus sanguineus Mrs. E. C. Sutliffe 1927-6-1 s.n. Siskiyou Pacific Highway near Oregon boudary Comment
  CAS-BOT-BC63152  Ceanothus velutinus Alice Eastwood 1921-7-31 11020 Siskiyou Shasta Springs. Comment
  RSA3390  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 miles W of summit of grade on road from Mt Shasta City to Mccloud. 1220 Comment
  UC1034042  Ceanothus velutinus W. Bridge Cooke 1941-8-21 16214 Siskiyou n side Diller Canyon (Mt. Shasta, w side of Shastina); Mt. Shasta, w side of Shastina Comment
  UC61661  Ceanothus velutinus Geo. B. Grant September 1902 5178 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC52840  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson, along the Mt. Shasta trail at perhaps 5000 feet 1524 Comment
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC144556  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8051 Siskiyou near Sisson; near Sisson Comment
  HSC26900  Centaurea cyanus J. P. Smith, J. O. Sawyer 1971-9-18 4797 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UCSC000741  Centaurea cyanus T. H. Gilbert June-July 1899 s.n. Siskiyou Scott River Valley Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CDA7265  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CDA18843  Centaurea maculosa R. Breckenridge 1999-6-3 PDR 909442 Siskiyou Along I-5 near Simms Road underpass in the vicinity of Dunsmuir. 0 Comment
  RSA190715  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou Roadside, N side of Hwy 97 (Weed to Macdoel), W of R.R. spur at Grass Lake Comment
  CAS-BOT-BC288799  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka Comment
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  UC164420  Cephalanthera austiniae Geo. D. Butler 1909-7-15 882 Siskiyou Highland Mine Comment
  RSA181620  Cephalanthera austiniae Dorothy Parker 1950-7-9 476 Siskiyou Salmon Mountain 915 Comment
  CDA3356  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  RSA240103  Cerastium fontanum subsp. vulgare Frederick W. Oettinger 1969-8-9 1321 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  RSA12610  Cercocarpus betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 miles from Oak Knoll RS on road to Dry Lake Lookout. 1067 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
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  HSC82203  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5968 Siskiyou Fowler's Campground 1006 Comment
  JEPS34205  Chaenactis douglasii var. douglasii W. L. Jepson 1940-6-23 20005 Siskiyou n of Mt. Shasta (Andesite sta.) 975 Comment
  UC618707  Chaenactis douglasii var. douglasii unknown 1938-8-12 11462 Siskiyou just below Horse Camp (along Wagon Camp-Horse Camp Trail); Mount Shasta 2438 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC276783  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-10 9468 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  RSA782330  Chaenactis suffrutescens R. W. Spjut, Paul Burchstead 2008-6-12 16339 Siskiyou Klamath Region. Scott Valley, South Kidder Creek west of Greenview on north side of Hwy. 3, between Fort Jones and Etna 860 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
Read comments Feb 10 2013
  RSA78943  Chamaebatiaria millefolium E. K. Balls, Percy C. Everett 1952-10-12 18170 Siskiyou Modoc Lava Beds Monument, road from Indian Well to Tule Lake, 0.5 miles from Indian Well Ranger Station. 1433 Comment
  HSC68455  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1440 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  SEINET3863160 Image available Chamaecyparis lawsoniana Dan Youngberg 1964-7-19 76 Siskiyou Growing along West Branch of Indian Creek. S23, R6E, T18N, Humbolt Meridian.; 0 671 Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  JEPS24627  Chamaesaracha nana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6780 Siskiyou near beginning road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt Shasta); Mt. Shasta 1737 Comment
  JEPS47361  Chamaesaracha nana L. R. Heckard 1966-6-20 1530 Siskiyou about 1 mi ne of town of Mount Shasta (on old McCloud Road); old McCloud Road 1127 Comment
  HSC68061  Chamaesyce serpyllifolia J. P. Smith, Steve Selva 1970-7-17 4420 Siskiyou Along Klamath River. Comment
  UC207731  Chamaesyce serpyllifolia A. A. Heller 1914-8-26 11721 Siskiyou Weed 1066 Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  HSC34468  Cheilanthes gracillima J. D. Ackerman, A. M. Montalvo 1974-8-18 432 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  POM210924B  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 miles northeast Gazelle 869 Comment
  RSA238385  Chenopodium Frederick W. Oettinger 1969-8-14 1370 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  HSC43148  Chenopodium album Ken Stillman 1976-8-24 424 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CDA3019  Chenopodium chenopodioides R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  RSA0072902  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39033 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  SEINET4175054  Chenopodium vulvaria J. Alex 2004-8-24 1885 Siskiyou Yreka, Wendy Ave., 0.1 miles south of Lawrence Lane 950 Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  CAS-BOT-BC452286  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4389 C Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  UCD110116  Chrysolepis chrysophylla R. Tofsrud; J. M. Tucker 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC68299  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1971-9-16 4765 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  CAS-BOT-BC100855  Chrysothamnus viscidiflorus subsp. viscidiflorus S. F. Blake 1941-8-22 16205 Siskiyou in the Lava Park above Hotlum Station, north side of Mt. Shasta 1676 Comment
  CAS-BOT-BC100856  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenet foothills 1524 Comment
  HSC5345  Chrysothamnus viscidiflorus subsp. viscidiflorus R. C. Wunner 1965-9-9 515 Siskiyou California Lava Beds National Monument; Indian Well area near N prefab 1433 Comment
  LA28602  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose; 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  POM603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS15736  Cicuta douglasii Willis L. Jepson July, 1894 14230 Siskiyou Mount Shasta, Sisson, Camp 1 Sisson; Mount Shasta, , Camp 1 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  UC643320  Cicuta maculata var. angustifolia W. Bridge Cooke 1940-7-12 15314 Siskiyou near Mount Shasta City (in the Box Canyon of the Sacramento River); Sacramento River, Box Canyon 914 Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  SBBG25817  Circaea alpina D. Myrick 1966-8-10 1524 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC42957  Circaea alpina subsp. pacifica J. O. Sawyer, Ken Stillman 1976-7-1 2783 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA105485  Circaea alpina subsp. pacifica Douglas Barbe 1955-6-30 61 Siskiyou 1.0 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  RSA0070601  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1136  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -A Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CDA20747  Cirsium cymosum M. Wetherwax 2002-5-25 s.n. Siskiyou Near Gazelle, northwest of Weed. Comment
  CAS-BOT-BC285551  Cirsium occidentale var. candidissimum Alice Eastwood 1917-9-2 6668 Siskiyou Shasta Springs Comment
  UC1211911  Cirsium occidentale var. candidissimum Roy L. Taylor 1960-6-12 4443 Siskiyou n of Yreka (1 mi w of jtn. of Hwy. 96 and Hwy 99, above Kalmath River); Klamath River Comment
  RSA0070872  Cirsium remotifolium David J. Keil, Kathleen Keil, Mary Faustini 1990-7-28 s.n. Siskiyou Klamath National Forest. Marble Mountain Wilderness, Rye Creek Trail. Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  CDA1588  Cirsium scariosum var. robustum Bill Huse 1954-7-22 s.n. Siskiyou 0 Comment
  CAS-BOT-BC285894  Cirsium vulgare Doris K. Kildale 1928-7-1 5321 Siskiyou Forks of Salmon, Salmon River Comment
  UCR93350  Clarkia Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  JEPS69756  Clarkia purpurea subsp. quadrivulnera W. B. and V. G. Cooke 1972-6-30 45411 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta Comment
  RSA60534  Clarkia rhomboidea John H. Thomas 1949-6-16 948 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC909475  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/2 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  UCSB385  Clarkia rhomboidea Myrick, Donald 1961-6-20 Siskiyou near Mt.Shasta City 1066 Comment
  CHSC1374  Claytonia cordifolia V. Holt 1943-8-8 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 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
  SEINET3159193  Clematis ligusticifolia G. D. Butler 1910-8-3 sn Siskiyou Yreka creek Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  HSC61809  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Poker Flat 1585 Comment
  RSA377071  Clintonia uniflora M. B. Dunkle 1944-7-3 9065 Siskiyou Siskiyou National Forest. Comment
  HSC41087  Collinsia parviflora J. O. Sawyer 1970-3-4 2073 Siskiyou N of Idlewild Campground. 762 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
  UC618897  Collinsia parviflora W. Bridge Cooke 1938-7-1 11129 Siskiyou below Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  SEINET7096760  Collinsia torreyi A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC29391  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou Marble Mtn. Wilderness Area, W of NW end of Hancock Lake 1951 Comment
  HSC91254  Collinsia torreyi var. wrightii Jennifer Whipple 1976-6-16 1012 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  HSC219  Collomia grandiflora William J. Ferlatte 1966-8-3 254 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  UCD118152  Collomia grandiflora Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Canyon Creek, NE of Marble Mountain, Marble Mountains. 1676 Comment
  UC1409300  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou along trail from English Lake to Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC164128  Collomia tinctoria Geo. D. Butler 1910-5-30 1429 Siskiyou Humbug Creek Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  UC971918  Collomia tinctoria Herbert L. Mason 1950-7-16 14054 Siskiyou road from Happy Camp CA to Waldo Oregon Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  CAS-BOT-BC230678  Collomia tracyi Mrs. Dorothy Parker 1961-6-4 882 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  HSC30432  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Marble Mtn. Wilderness Area, ridge of Little Medicine Mtn. N of Hancock Lake 2043 Comment
  HSC44488  Collomia tracyi K. Irwin 1977-5-22 385 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC6123  Comandra umbellata subsp. californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upper Sacramento Region, Shasta Region Upper Sacramento Region; , Shasta Region Comment
  UC1190177  Corallorhiza maculata Ira L. Wiggins 1955-7-24 13491 Siskiyou ridge betw. upper reaches of China Creek and upper reaches of Blind Horse Creek 1508 Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain 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
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  SEINET13682408  Cordylanthus tenuis subsp. tenuis B. L. Wilson, R. E> Brainerd 2010-8-4 16205 Siskiyou FR 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road. 1280 Comment
  HSC69458  Cordylanthus tenuis subsp. viscidus Maralyn A. Renner 1980-8-4 2234 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  JEPS66516  Cordylanthus tenuis subsp. viscidus L. R. Heckard and T. I. Chuang 1971-8-15 2773 Siskiyou 1 mi s of downtown Dunsmuir (below freeway) 822 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  HSC103859  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Shauna Hee 2006-8-4 9463 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  CAS-BOT-BC212060  Cornus nuttallii Alice Eastwood 1912-7-24 1385 Siskiyou Castella Comment
  LA40488  Cornus nuttallii Wm. Bridge Cooke; 1939-8-4 13804 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC637143  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou e. end Seiad Valley (Walker Creek); e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 609 Comment
  CAS-BOT-BC210413  Cornus sericea John Thomas Howell 1937-7-22 13289 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  CHSC40092  Cornus sericea subsp. sericea A. A. Heller 1920-6-20 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CHSC99702  Cornus sericea subsp. sericea L. P. Janeway 2008-7-23 8463 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; along small tributary from the west of Parks Creek; above Road 17 8.0 road km south of Stewart Springs Road. Along small creeklet flowing down a east-northeast facing slope, 1747 Comment
  SEINET10453317  Cornus sericea subsp. sericea Mary Merello 1993-6-22 Merello 691 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC180198  Corylus cornuta subsp. californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  HSC58868  Crepis intermedia Marvin Butler 1971-8-1 251 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CDA4442  Crepis occidentalis subsp. costata Unknown Jul 1951 s.n. Siskiyou Yreka. 0 Comment
  HSC76939  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UC195184  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1911-8-12 310 Siskiyou near Toad L. Comment
  UCD130980  Crepis pleurocarpa J. M. Tucker; L. K. Mann 1963-8-18 3762 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC290872  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  SEINET7073599  Crocidium multicaule A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  HSC44642  Crypsis schoenoides K. T. Stillman 1976-8-24 431 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UC618853  Cryptantha affinis unknown 1938-7-15 11187 Siskiyou Bear Springs meadow Mount Shasta, Bear Springs 1524 Comment
  HSC19015  Cryptantha affinis J. O. Sawyer 1969-7-1 956 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  JEPS67621  Cryptantha intermedia Geo. D. Butler 1909-5-2 733 Siskiyou Huzby Hill Comment
  CHSC57422  Cryptantha milobakeri L. P. Janeway 1984-6-22 873 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  RSA17700  Cryptantha sobolifera Elmer I. Applegate 1935-6-10 9486 Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  SEINET12564977  Cryptantha torreyana G. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  UC1170105  Cryptantha torreyana unknown 1956-7-16 30297 Siskiyou above Hotlum Station (n side of Mount Shasta); Mount Shasta 1524 Comment
  UCD78206  Cryptantha torreyana R. E. Preston 2006-7-3 2360 a Siskiyou Ca. 3.8 mi ESE of Hornbrook, in field along Ager Rd, 1.6 mi SE of its jct with Hornbrook-Copco Rd. 704 Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC80563  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80565  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  CAS-BOT-BC85605  Cupressus bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Crater, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley, 1219 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
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  UC650676  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove , North-westerly Grove (Goose Nest Region) 1524 Comment
Read comments Oct 13 2013
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  RSA184718  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  HSC28731  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou Marble Mtn. Wilderness Area, SE of Tom Taylor Cabin 2027 Comment
  RSA602930  Cuscuta occidentalis L. C. Wheeler 1958-8-21 7417 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC22935  Cycladenia humilis var. humilis Milo S. Baker 1893-8-5 Siskiyou Medicine Lake 1828 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
Read comments Oct 12 2011
  UC164134  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  UC618695  Cynoglossum occidentale Ivan Johnston 1938-6-17 11023 Siskiyou s.w. side of Mt. Shasta Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  UC637093  Cyperus bipartitus Edward Lee 1934-8-12 1049 Siskiyou 1/4 mi. w. of mouth of Walker Creek; e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 426 Comment
  CAS-BOT-BC114694  Cyperus bipartitus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  JEPS64062  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  HSC61200  Cystopteris fragilis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  JEPS25668  Danthonia californica Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., watershed of Indian Creek, Twin Valley 1493 Comment
  JEPS72971  Danthonia californica W. L. Jepson 1940-7-3 20121 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  CAS-BOT-BC192355  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mountain South of Calahan [Callahan] Comment
  CAS-BOT-BC192356  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mt. South of Calahan [Callahan] Comment
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC420660  Darmera peltata Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  JEPS43421  Delphinium andersonii Geo. D. Butler 1909-4-14 642 Siskiyou near Yreka Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  HSC41688  Delphinium nuttallianum J. P. Smith 1976-5-5 8704 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  UC166147  Delphinium nuttallianum Geo. D. Butler 1901-6-22 901 Siskiyou Goosenest foothills Comment
  UC54272  Delphinium nuttallianum H. M. Hall and E. B. Babcock June 1903 4124 Siskiyou near head of McCloud River (se Siskiyou Co.); Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC44503  Delphinium nuttallianum K. Irwin 1977-5-21 373 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  RSA400117  Delphinium nuttallianum Christopher Davidson 1975-6-5 2692 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  HSC26549  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA86765  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  HSC76699  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 217 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  UCD95524  Dicentra formosa Ricky D. Pearce 1978-5-7 22 Siskiyou 3.4 miles W of the end of Coffee Creek Road. 1524 Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET8476746  Dichelostemma multiflorum G. D. Butler 1910-5-18 1361 Siskiyou Yreka. Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  HSC72375  Dieteria canescens var. shastensis J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8973 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  CAS-BOT-BC153725  Diplacus nanus Rodney Gregg 1948-8-4 s.n. Siskiyou On Gazelle Mountain 1310 Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  UCD137482  Dipsacus M. V. Maxwell 1958-9-1 s.n. Siskiyou Fort Jones. Comment
  HSC45210  Dodecatheon jeffreyi J. O. Sawyer, E. Cope 1977-6-20 2965 Siskiyou Behind Devil's Punchbowl 1829 Comment
  POM259603  Dodecatheon jeffreyi J. T. Howell 1939-8-3 14950 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC77080  Dodecatheon jeffreyi K. T. Stillman 1976-6-16 5 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 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
  JEPS94786  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9333 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); s side of Tennant Road 1402 Comment
  JEPS108465  Downingia pulcherrima Lisa Schultheis 1995-6-28 236 -95 Siskiyou Outside of Weed. Trailer Lane, just W of ramp to I-5 S. Comment
  JEPS125853  Downingia yina Dean W. Taylor 1996-6-24 15739 Siskiyou Klamath River canyon near Oregon State line Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  RSA66145  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1006 Comment
  HSC61835  Drymocallis glandulosa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC61836  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC77057  Drymocallis glandulosa K. T. Stillman 1976-8-7 189 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC165264  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Creek Comment
  HSC18924  Drymocallis hansenii J. O. Sawyer 1969-8-3 1779 Siskiyou Near Little Duck Lake 2073 Comment
  JEPS96932  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  SEINET6691603  Drymocallis lactea var. austiniae G. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC159289  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area Comment
  HSC29474  Drymocallis lactea var. lactea Frederick W. Oettinger 1969-7-13 1002 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC76911  Drymocallis lactea var. lactea K. T. Stillman 1976-6-26 123 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC574875  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC158428  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi. S. of Macdoel, on U.S. 97 between Dorris and Weed 1465 Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  UC184357  Eleocharis bella Geo. D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek 1219 Comment
  CHSC110084  Eleocharis rostellata R. E. Brainerd; B. L. Wilson 2010-8-10 1738 Siskiyou Forest Service Road 41N03; 1.5 air miles east-southeast of junction with Gazelle-Callahan Road; ca. 12 air miles west-southwest of Weed. 1591 Comment
  RSA184708  Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou Meadow on Black Mountain Trail, Marble Mountains 1799 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC227919  Elymus elymoides Elmer I. Applegate 1923-8-18 3862 Siskiyou Top of Redshale Mountain, Medicine Lake region 2438 Comment
  UCR142980  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  SEINET10929845  Elymus elymoides George D. Butler 1910-5-4 Butler 1278 Siskiyou Dry hill near Yreka. Comment
  SEINET9359604  Elymus elymoides Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UCD62292  Elymus glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3430 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  CAS-BOT-BC206592  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 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
  HSC101485  Elymus glaucus subsp. glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13041 Siskiyou Near Dillon Camp 1358 Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  HSC103029  Elymus hispidus J. P. Smith 2014-6-7 13887 Siskiyou Yreka 844 Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  JEPS70717  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  UCD62473  Elymus multisetus Louis C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles E Grenada. 868 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC1037121  Elymus trachycaulus Leo Whitney 1934-6-29 2227 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  HSC215  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  SDSU8792  Epilobium brachycarpum D. F. Howe 1969-8-31 4674 Siskiyou 7 miles north of Weed on road to Yreka. 1006 Comment
  POM258622  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15341 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1524 Comment
  RSA15582  Epilobium brachycarpum Carl B. Wolf 1928-8-27 1146 Siskiyou Klamath River, 10 miles above the Salmon River Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM32376  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA8244  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-9-6 s.n. Siskiyou Doggett Creek, Klamath River Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  UC1409431  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1201 Siskiyou on English Lake trail to Abbots Salmon Mountains, Marble Mountain Wilderness Area, Willow Sp (w Siskiyou Co.) 1676 Comment
  RSA215612  Epilobium clavatum Gilbert Muth 1969-8-6 1229 Siskiyou East side of Boulder Peak Ridge 2470 Comment
  HSC96323  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 474 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM171593  Epilobium hallianum Doris K. Kildale 1929-7-20 8609 Siskiyou Southeast slope of Preston Peak 1951 Comment
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  HSC69083  Epilobium oreganum Maralyn A. Renner 1980-8-4 2218 Siskiyou Flint Valley 1390 Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM46473  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek. 1677 Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS68261  Equisetum laevigatum L. R. Heckard 1972-5-31 2934 Siskiyou se Montague (along road at Shasta River R.R. Bridge) 822 Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  SEINET10831618  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 Pollard s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  CAS-BOT-BC481932  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UCD98105  Eremogone congesta var. suffrutescens G. L. Clifton 1975-7-28 5322 Siskiyou near Cook and Green Pass. Near Seiad Valley. 1645 Comment
  UCD77353  Eremogone kingii var. glabrescens Robert E. Preston 2001-6-23 1596 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2042 Comment
  CDA4624  Ericameria bloomeri Eldon Paddock, A. Gilbert 1979-8-28 Siskiyou Snowmans Summit, Highway 89 south of Mount Shasta, Siskiyou County. Comment
  CHSC30403  Ericameria bloomeri A. W. Ratcliff 1979-8-2 Siskiyou Shasta-Trinity National Forest. Bear Springs. 1536 Comment
  HSC12540  Ericameria bloomeri George B. Grant Sep 1902 178 Siskiyou Mt. Shasta Comment
  RSA14485  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake lookout station, Doggett Ridge, Siskiyou Mts. 1829 Comment
  RSA14486  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake 1982 Comment
  UC134300  Ericameria bloomeri unknown Siskiyou near timberline Sisson Comment
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  UCD131319  Ericameria bloomeri Joseph M. DiTomaso 1976-9-7 686 Siskiyou Big Flat. Trinity Alps. 1524 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
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  UC415690  Ericameria parryi var. latior Wm. M. Canby, III 1897-9-7 Siskiyou Mt. Shasta Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  POM35931  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka. Comment
  CHSC62178  Erigeron cervinus Wayne Rolle 1991-8-1 485 Siskiyou Siskiyou Mountains. On east side of Pyramid Peak. Between small lake and the small pond above it. 1615 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  UC1190272  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297108  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  UC682094  Erigeron compositus G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3254 Siskiyou 6 mi w Gazelle 1005 Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  HSC2229  Erigeron filifolius J. W. Thompson 1936-7-8 13157 Siskiyou Lava Beds National Monument, lava slopes Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  CAS-BOT-BC296127  Erigeron foliosus var. confinis Doris K. Kildale 1929-7-20 8688 Siskiyou Raspberry Lake upper South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC296128  Erigeron foliosus var. confinis Doris K. Kildale 1929-8-24 9029 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC300857  Erigeron glacialis var. glacialis H. A. Thomas; J. H. Thomas 1954-7-24 4502 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC300858  Erigeron glacialis var. glacialis Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS84322  Erigeron glacialis var. glacialis L. R. Heckard with J. Hickman et al. 1986-7-17 6475 Siskiyou trail up Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley, in a n-facing cirque) 1800 Comment
  CHSC71857  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-9-8 9609 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  JEPS105172  Erigeron inornatus var. inornatus Dean W. Taylor 1993-7-30 14020 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 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
  UC583153  Erigeron inornatus var. inornatus Lewis S. Rose 1936-7-29 36705 Siskiyou Shasta Springs 762 Comment
  UC895897  Erigeron inornatus var. inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  JEPS24008  Erigeron inornatus var. inornatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6869 Siskiyou on road to Callahan,about 3 mi below (n of) Scott Mt. road summit 1219 Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  HSC74916  Erigeron klamathensis J. P. Smith, Jennifer Whipple 1978-7-2 9969 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  SDSU3932  Erigeron lassenianus var. deficiens D. F. Howe 1965-8-8 4122 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  HSC41051  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  HSC65019  Erigeron petrophilus var. viscidulus D. L. Goforth 1979-7-19 260 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  CDA4938  Erigeron philadelphicus T. C. Fuller 1958-6-19 1887 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC300089  Erigeron philadelphicus David D. Keck 1938-8-7 4849 Siskiyou 1 mi. N. of Schmitt Mill, road betw. Gazelle and Callahan. Scott Mts. 1465 Comment
  RSA50220  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on road to Sawyer's Bar 915 Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC635010  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  RSA60782  Eriogonum congdonii Dorothy Parker 1948-8-19 s.n. Siskiyou Near Chinquapin, on Scott Mountain 1524 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
  SEINET7040086  Eriogonum congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CHSC1318  Eriogonum douglasii var. meridionale V. Holt 1943-8-7 Siskiyou Marble Mountains. 2164 Comment
  UCR37557  Eriogonum elatum L. P. Janeway 1983-9-22 688 Siskiyou Ridge NW of Poker Flat (the Siskiyou creast) 1585 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  UC1072718  Eriogonum elatum var. villosum Douglas Barbe 1955-7-4 87 Siskiyou 1.3 mi s on the Westside Road to Callahan Etna (near the gate, meadow on s side of road) 853 Comment
  HSC77153  Eriogonum hirtellum L. P. Janeway 1983-8-7 522 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  JEPS94393  Eriogonum marifolium Vernon Oswald and Lowell Ahart 1997-7-28 8782 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  UC725787  Eriogonum marifolium A. A. Heller 1939-7-31 15429 Siskiyou junction of the Horse Camp and Panther Meadow roads Mt. Shasta Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC263188  Eriogonum marifolium var. cupulatum Elmer I. Applegate 1923-8-20 3902 Siskiyou Medicine Lake, west side 1981 Comment
  CHSC110786  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest. 1210 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  CAS-BOT-BC257776  Eriogonum marifolium var. marifolium R. C. Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) Comment
  CAS-BOT-BC261624  Eriogonum nudum var. nudum John Thomas Howell 1939-8-2 14889 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19485  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-2 1030 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  HSC24702  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC42993  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-15 4365 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UC54705  Eriogonum nudum var. nudum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC19486  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-24 1502 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  HSC78317  Eriogonum nudum var. nudum L. P. Janeway 1983-8-28 643 Siskiyou Poker Flat, dry NE edge of lower portion of meadow 1524 Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  UC164231  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills 1219 Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  CAS-BOT-BC272485  Eriogonum nudum var. pubiflorum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  RSA245303  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou Callahan Comment
  SDSU6799  Eriogonum nudum var. pubiflorum D. F. Howe 1969-8-31 4673 Siskiyou 4.2 miles south of Yreka, on #5. 823 Comment
  CAS-BOT-BC267705  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River, east end of Seiad Valley Comment
  CAS-BOT-BC267706  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  JEPS57226  Eriogonum strictum var. greenei L. R. Heckard 1967-8-13 1714 Siskiyou near summit; Mt. Eddy 2712 Comment
  CAS-BOT-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC263390  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43450  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1718 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  CAS-BOT-BC263447  Eriogonum ternatum James L. Reveal; Darin S. Reveal 1978-8-9 4812 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS # 17N11), 0.6 mile south of the junction of 17N23, on a ridge dividing Doolittle Creek and Little South Fork, about 3.5 miles north-northeast of the lookout 1341 Comment
  HSC61799  Eriogonum ternatum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC267930  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC62448  Eriogonum umbellatum Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  HSC69141  Eriogonum umbellatum Maralyn A. Renner 1980-8-8 2476 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UCD101338  Eriogonum umbellatum Beecher Crampton 1956-8-21 3841 Siskiyou above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  HSC98382  Eriogonum umbellatum var. argus J. O. Sawyer 1968-7-23 582 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC609330  Eriogonum umbellatum var. argus Eleanor Burks Hart 1938-8-15 925 Siskiyou Upper Wright Lake 2225 Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  UC2028223  Eriogonum umbellatum var. goodmanii Barbara Ertter 1990-7-14 9312 Siskiyou E side Mt Eddy ca. 4 air miles due W of Mt. Shasta City, at streamlet near end of FR 41 N53 ca 1 mile N of Morgan Meadows Comment
  RSA183674  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 199 Siskiyou Along upper ridges, Marble Valley Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS82245  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  UC1949261  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-16 9385 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  HSC43409  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-7-15 267 Siskiyou Marble Mountain Wilderness Area, ridge above Elk Valley W side 1951 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
  UC722839  Eriogonum umbellatum var. modocense C. L. Hitchcock, J. S. Martin 1939-7-9 5312 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  CHSC88553  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1700 Comment
Read comments Sep 19 2011
  RSA423135  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  RSA622148  Eriogonum vimineum James L. Reveal, Coroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC301129  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-18 45123 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC301141  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  JEPS69766  Eriophyllum lanatum var. achilleoides W. B. and V. G. Cooke 1972-6-30 45420 Siskiyou Military Pass Road Mt. Shasta 1524 Comment
  UC195247  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-6 115 Siskiyou Gazelle Comment
  UC195257  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-4 111 Siskiyou Mayten Comment
  UC643286  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-4 15027 Siskiyou between US97 and Bolam Station (along an old logging road on the n side of the mountain); Mount Shasta 1219 Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  RSA237296  Eriophyllum lanatum var. achilleoides Frederick W. Oettinger 1967-6-28 139 Siskiyou On Salmon River, sand bar due west of mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  UC1034579  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-7-26 264 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
  UC563835  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou s cinder slope of Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC301718  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-8-18 3859 Siskiyou Redshale Mountain, east of Medicine Lake Comment
  RSA264987  Eriophyllum lanatum var. lanceolatum G. L. Clifton 1975-7-28 5756 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  HSC67973  Erodium cicutarium J. P. Smith, Steve Selva 1970-6-15 3897 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  SJSU2552  Erysimum capitatum H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  SEINET8264805  Erythranthe nasuta L. E. Detling 1948-5-20 6200 Siskiyou Klamath River near Rocky Bar Forest Camp. 457 Comment
  CAS-BOT-BC133272  Erythronium citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  UC164327  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  CAS-BOT-BC403680  Eschscholzia californica Alice Eastwood 1923-5-29 11986 Siskiyou Cantara Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  CAS-BOT-BC403671  Eschscholzia californica M. K. Curran 1887-7-1 s.n. Siskiyou Ager. Above Yreka towards Klamath Comment
  SDSU829  Eschscholzia californica D. F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp, #96, Klamouth Valley. 457 Comment
  HSC78314  Eucephalus glabratus L. P. Janeway 1983-8-28 634 Siskiyou Poker Flat, S edge of meadow 1529 Comment
  CAS-BOT-BC310460  Eucephalus ledophyllus var. ledophyllus J. P. Smith; J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1981 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  UC375458  Euphorbia crenulata Geo. D. Butler 1908-7-4 67 Siskiyou near mouth of Shasta River Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  UC29852  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
Read comments Nov 16 2006
  JEPS24018  Euthamia occidentalis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6879 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  HSC42973  Festuca californica J. O. Sawyer, K. T. Stillman 1976-5-29 2742 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC283179  Festuca californica subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC278735  Festuca idahoensis Elmer I. Applegate 1935-6-10 9463 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  UC1483422  Festuca idahoensis John Palmer 1980-8-15 1023 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1463 Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  UCD65971  Festuca idahoensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3383 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC278875  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  CAS-BOT-BC278876  Festuca occidentalis Alice Eastwood 1923-5-27 11951 Siskiyou Shasta Springs, on road to McCloud Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  UC1265439  Festuca pratensis F. W. Oettinger 1969-8-16 1402 Siskiyou near, w Siskiyou County English Lake; Salmon Mountains, Wiregrass Meadow 1676 Comment
  UC618987  Festuca pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  HSC30582  Festuca viridula Frederick W. Oettinger, R. F. Thorne 1969-8-6 1222 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  SEINET10690240  Frangula californica subsp. occidentalis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC59990  Frangula purshiana Edward Lee 1934-8-15 1124 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest. 1615 Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  POM76612  Frasera albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou Near Yreka Comment
  RSA183727  Frasera speciosa Gilbert Muth 1965-8-6 176 Siskiyou Backside of Black Mountain, Marble Mountains. Comment
  SEINET10847556  Fraxinus dipetala Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC130175  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  RSA17445  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Klamath River, between Hamburg and Seiad Valley Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  POM367630  Galium M. B. Dunkle 1945-7-22 9243 Siskiyou Marble Mtns. Klamath National Forest. 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
  JEPS6705  Galium bolanderi Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upton Upper Sacramento Comment
  JEPS6706  Galium bolanderi W. L. Jepson July 1894 Siskiyou near Sisson; Muir Peak (= Black Butte) Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  RSA202647  Galium glabrescens F. Ehrendorfer, G. Ledyard Stebbins, Dempster 1959-9-26 5963 Siskiyou 1/2 mile SSE of Castle Lake. SW of Mt Shasta village. 1829 Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  HSC61215  Galium oreganum Al Hobart Siskiyou El Capitan Comment
  JEPS100202  Galium serpenticum subsp. scotticum Dean W. Taylor 2002-6-10 18122 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  HSC19067  Galium triflorum J. O. Sawyer 1969-8-4 1891 Siskiyou Above S Sugar Lake 2043 Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC67608  Galium triflorum J. P. Smith, Steve Selva 1970-7-16 4397 Siskiyou Blue Mtn. Comment
  JEPS6534  Galium triflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou woods near Sisson; Region of the Upper Sacramento Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  RSA597572  Garrya flavescens Louis C. Wheeler 1963-9-3 8346 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC182151  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon near Klamath Hot Spgs. Comment
  CAS-BOT-BC192148  Garrya fremontii L. E. Smith 1913-4-2 s.n. Siskiyou near Castle Crags Station Comment
  HSC63076  Garrya fremontii David Wheeler 1979-4-7 24 Siskiyou Comment
  POM78079  Garrya fremontii Geo. D. Butler 1909-3-21 562 Siskiyou Oro Fino Comment
  HSC68456  Gaultheria ovatifolia Maralyn A. Renner 1980-7-4 1441 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC183  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-2 237 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 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
  UCR52565  Gayophytum heterozygum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA237805  Gayophytum humile Frederick W. Oettinger 1969-8-5 1189 Siskiyou Trail from English Lake to Abbott s. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  HSC91281  Gentiana calycosa Jennifer Whipple 1976-9-3 1777 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  RSA625174  Gentiana calycosa Louis C. Wheeler 1963-8-25 8270 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  UC1584287  Gentianella amarella subsp. acuta J. Kierstead, R. Bittman, and M. Myers 1989-8-11 89 -69 Siskiyou Gumboot Creek crossing Shasta-Trinity National Forest, Mt. Shasta Ranger District (s side of FS Rd 26) 1767 Comment
  CAS-BOT-BC94968  Gentianopsis simplex R. C. Wenk 2008-8-31 990 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow 1981 Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  JEPS83894  Gilia capitata subsp. capitata Wayne Roderick July 1976 Siskiyou s side of Cook and Green Pass , s side Cook and Green Pass (Siskiyou Mountains) Comment
  JEPS93898  Glyceria borealis Vernon H. Oswald and Lowell Ahart 1998-7-21 9352 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on w side of Bray); Bray, Old State Highway 1417 Comment
  HSC67700  Glyceria elata Maralyn A. Renner 1980-8-20 2536 Siskiyou S Fork Salmon River at Big Flat 1524 Comment
  CAS-BOT-BC302670  Gnaphalium palustre Doris K. Kildale 1928-7-25 5896 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  CDA6018  Gnaphalium palustre T. R. Haig, F. D. Horn 1979-9-19 Siskiyou Sharp Mountain Reservoir southeast of Mount Hebron. 0 Comment
  SEINET6336347  Habenaria leucostachys W. B. C. 1937-1 Siskiyou Comment
  UC726512  Hackelia californica A. A. Heller 1916-6-22 12426 Siskiyou near Sisson 1074 Comment
  HSC62458  Hackelia micrantha Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  POM72143  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou Taylor Creek. 2134 Comment
  SEINET12281175  Hackelia setosa J. P. Tracy 1951-1 19470 Siskiyou Near Oregon-California state line, on the Takilma-Happy Camp Road Comment
  JEPS30000  Hastingsia alba Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7986 Siskiyou n end town Mt. Shasta (Sisson) Comment
  UC3685  Hastingsia alba Brewer Sept. 1862 1421 Siskiyou Mount Shasta 2438 Comment
  UC54916  Hastingsia alba T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET8480293  Hastingsia alba W. Roderick 1967-7-27 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  CDA6183  Hazardia whitneyi var. discoidea T. C. Fuller, Don Shaw 1974-9-24 20032 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC29088  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC60810  Helenium bigelovii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UCD132695  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  POM66661  Helenium bigelovii Geo D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  HSC92201  Helianthella californica var. shastensis Jennifer Whipple 1976-6-23 1110 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  UC134872  Helianthus bolanderi J. W. Congdon 1910-8-9 Siskiyou near Sisson Comment
  JEPS90416  Hemizonella minima Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9019 Siskiyou Saddle Hills Upper Modoc Plateau (s end) 1645 Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  UCD133063  Hemizonella minima J. M. Tucker 1963-7-4 3695 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  POM30673  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  JEPS25817  Heracleum lanatum Geo. D. Butler 1908-8-4 463 Siskiyou Shackleford Creek, Log Lake 1524 Comment
  UC17263  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  POM59065  Heterocodon rariflorum E. B. Copeland 1903-9-6 3847 Siskiyou Igerna. 1159 Comment
  POM67794  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek. 1220 Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna Comment
  CAS-BOT-BC312303  Heterotheca villosa var. minor G. Muth 1966-7-25 453 Siskiyou Marble Valley Comment
  UCD133103  Heterotheca villosa var. minor J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3753 Siskiyou southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  HSC91187  Heuchera merriamii Jennifer Whipple 1976-7-8 1361 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake. 2317 Comment
  JEPS49743  Heuchera merriamii Geo. D. Butler 1908-8-9 221 Siskiyou Marble Valley Camp 1676 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  SJSU6495  Heuchera micrantha R. W. Trivelpiece 1972-6-14 111 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1371 Comment
  CAS-BOT-BC319679  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  HSC42947  Hieracium albiflorum J. O. Sawyer, Ken Stillman 1976-7-1 2767 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 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
  HSC29111  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Next basin E of Salamander Lake Basin, region of Abbott's Lake 1799 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  JEPS32672  Hieracium triste Paul C. Hutchison 1962-8-2 939 Siskiyou between Panther Meadow top of ski lift; Mt. Shasta 2743 Comment
  UC618676  Hieracium triste W. Bridge Cooke 1938-8-18 11500 Siskiyou above Horse Camp; Mount Shasta Comment
  CAS-BOT-BC152379  Holodiscus discolor var. discolor Doris K. Kildale 1929-5-26 9190 Siskiyou Hawkins Bar on Salmon River 609 Comment
  SEINET1004222  Holodiscus microphyllus var. glabrescens Mark Fishbein, Lane Greer 2006-1 5874 Siskiyou South base of Medicine Lake Glass Flow, just north of Medicine Lake. 2070 Comment
  SEINET515853  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC39648  Hordeum brachyantherum J. P. Smith, J. O. Sawyer 1971-9-17 4676 Siskiyou Little Duck Lake Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 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
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  CHSC91336  Hordeum jubatum Lowell Ahart; John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 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
  JEPS81058  Horkelia daucifolia J. P. Smith and T. W. Nelson 1979-6-15 10125 Siskiyou Road to Carmen Lake 0.6 mi from its junction State Route 3; China Mtn. Quad., Klamath National Forest. 1645 Comment
  CAS-BOT-BC143964  Horkelia daucifolia David D. Keck; A. Gustafsson 1938-8-8 4860 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CHSC30905  Horkelia fusca subsp. parviflora M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 Siskiyou Yellow Pine plantation, ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UC398641  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson); Mt. Shasta, s side Comment
  RSA211182  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC201120  Hosackia crassifolia Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC24699  Hosackia crassifolia J. O. Sawyer 1969-7-25 1523 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  UC134349  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mt. Shasta 3200 Comment
  JEPS1630  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Bull Meadow; Goosenest Mountain 1676 Comment
  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC1034644  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  CDA8006  Hymenoxys lemmonii D. Jenott 1972-6-22 Siskiyou Parks Creek, Edgewood. 0 Comment
  HSC78378  Hypericum anagalloides L. P. Janeway 1983-7-31 471 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  UC420455  Hypericum formosum var. scouleri Milo S. Baker 1898-7-9 323 Siskiyou Tamarack Rd. near Mt. Shasta Summit Comment
  UC166053  Idahoa scapigera Geo. D. Butler 1909-2 571 Siskiyou around Yreka Comment
  CAS-BOT-BC88626  Idahoa scapigera George Dexter Butler 1910-3-21 1136 Siskiyou Drylands near Yreka. Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  RSA530091  Iliamna bakeri D. W. Taylor 1987-8-6 9244 Siskiyou Extreme northeastern portion of county.; (Hambone Island region, about 100 m south of lava Tank) Comment
  UC52432  Ipomopsis aggregata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  JEPS109259  Ipomopsis congesta subsp. congesta D. W. Taylor 2002-7-29 18288 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC88663  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  SEINET10481752  Isatis tinctoria Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 342 Siskiyou Found at the jct. Of shasta and klamath rivers on hwy 263. Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  HSC66946  Isoetes bolanderi R. W. Spjut, D. H. Norris, Jaakko Koponen 1980-7-26 6283 Siskiyou Near Trinity Co. line, Big Carmen Lake about 6.5 mi. E of Callahan in Salmon Trinity Alps, Klamath National Forest 1707 Comment
  JEPS83821  Isoetes occidentalis Wayne Roderick 1984-8-7 Siskiyou vicinity of Cook & Green pass (near Lily Pad Lake in Little Duck Lake); Siskiyoyu Mts., Little Duck Lake 1981 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  RSA637583  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake. Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  RSA293203  Ivesia pickeringii Kevin Sawyer, John Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3. 1524 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  HSC77291  Juncus bolanderi L. P. Janeway 1982-6-30 31 Siskiyou E facing slope 300m N of West Branch Guard Station 671 Comment
  HSC71097  Juncus ensifolius Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4512 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC842519  Juncus ensifolius John Thomas Howell 1939-8-7 15129 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  SEINET6188314  Juncus ensifolius var. montanus M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow Comment
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  CDA33214  Juncus howellii William J. Ferlatte 1987-7-7 2109 Siskiyou USFS Road 31, 1.6 miles east of McCloud River Railroad; Bear Springs area, near Mt. Shasta. 0 Comment
  HSC22182  Juncus mertensianus J. O. Sawyer 1968-7-22 554 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  POM119126  Juncus mexicanus Geo D. Butler 1910-5-26 1409 Siskiyou Yreka. Comment
  CHSC38989  Juncus nevadensis J. D. Jokerst 1983-7-5 1825 Siskiyou Atkins meadow along east margin. Ca 15 air miles east of McCloud. Comment
  JEPS100301  Juncus nevadensis Dean W. Taylor 2001-8-28 17909 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 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
  HSC22105  Juncus parryi J. O. Sawyer 1969-8-2 1721 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  CHSC71510  Juncus tiehmii Vernon H. Oswald; Lowell Ahart 1998-7-21 9362 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
  RSA240063  Juniperus communis var. montana Frederick W. Oettinger 1969-8-23 1513 Siskiyou Slope near Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC56351  Kalmia microphylla subsp. microphylla G. J. Muth 1969-8-11 1367 Siskiyou Near Second Valley Lake 2194 Comment
  HSC96361  Kalmia polifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 497 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM210970  Kalmia polifolia subsp. microphylla L. C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  RSA293302  Keckiella corymbosa D. C. Michener 1980-8-2 3763 Siskiyou Klamath Mountains. Blue Nose Bluff of the Klamath River near confluence with Dillon Creek. 250 Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  RSA238771  Keckiella lemmonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1211 Siskiyou Hot area on English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  UCD77788  Kelloggia galioides Robert E. Preston 2001-6-23 1559 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC340379  Kyhosia bolanderi Dr. E. B. Copeland August 15, 19 3 3882 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC340418  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  UC166154  Lactuca serriola Geo. D. Butler 1908-7-28 981 Siskiyou near Yreka (Garden) Comment
  CAS-BOT-BC341692  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  CAS-BOT-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  JEPS55248  Lathyrus jepsonii var. californicus W. L. Jepson 1894-8-9 13617 Siskiyou Shasta Springs Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC36669  Lathyrus polyphyllus Brent Whitely 1975-7-1 121 Siskiyou 671 Comment
  CHSC106270  Lemna gibba Lowell Ahart; John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 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
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  CAS-BOT-BC89826  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  POM94079  Lepidium ramosissimum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC12996  Lepidium virginicum Lewis S. Rose 1945-6-18 45099 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC60144  Lepidium virginicum var. menziesii R. E. Frenkel 1964-10-2 877 Siskiyou On Everitt Memorial Highway near McBride Springs, near Mount Shasta. 1493 Comment
  OBI55427  Lessingia nemaclada David J. Keil 1992-7-20 23486 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  SEINET10474780  Lessingia nemaclada Lowell Ahart, Peter Ahart 1983-9-13 Ahart 4412 Siskiyou Near Hwy 96, near the Klamath River, ca. 5 mi w of Interstate 5. Yellow Pine Forest; 1000 m. 1000 Comment
  CHSC298  Leucanthemum vulgare N. Jaekel 1939-6-27 Siskiyou Mt. Shasta. 2133 Comment
  SEINET3887016 Image available Leucocrinum montanum D. E. Bright 1961-6-15 194 Siskiyou 5 miles west of Bray, California.; 0 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 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
  CAS-BOT-BC444049  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  HSC59095  Lewisia cotyledon var. howellii Clark L. Miller 1979-4-28 2109 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  RSA238300  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou On NW of Lower English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC283811  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCD65583  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  HSC81751  Ligusticum californicum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6188 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC97417  Ligusticum grayi J. M. DiTomaso 1980-8-26 1913 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  SEINET8260300  Lilium pardalinum Richard Olmstead 1983-7-13 478 Siskiyou along small stream crossed by road to Cave Jct. ca. 14 mil. N. of Happy Camp (2 mi. N of West Branch Campground). 1000 Comment
  SEINET8480715  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
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC30489  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Stream crossing of N Fork River enroute to Abbott's Upper Cabin, Salmon Mtns. 1357 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  HSC77229  Listera convallarioides L. P. Janeway 1983-7-18 430 Siskiyou 1/4 mi. NE up draw from FS 19N07, 5 mi. from Indian Creek Rd. 1250 Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  CAS-BOT-BC36530  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CAS-BOT-BC36546  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-1 1090 Siskiyou Shasta Springs Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  UC705919  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi nw McCloud Comment
  RSA184753  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC881906  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou near Widow Springs Widow Springs; Mt. Shasta Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  JEPS89920  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9015 Siskiyou Upper Modoc Plateau, Egg lake 1298 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  HSC22214  Lomatium engelmannii J. O. Sawyer 1969-6-12 901 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CHSC42618  Lomatium macrocarpum Vernon Oswald 1986-5-29 2071 Siskiyou Hwy 97 between Dorris and Macdoel, 46.2 mi ne of Weed. 121 Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  UC1485809  Lomatium peckianum L. Constance 1982-4-23 3899 Siskiyou 4 miles N of Weed on Hwy 5, foot of Mount Shasta Edgewood, near; Mount Shasta 914 Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  UC673276  Lomatium vaginatum Lincoln Constance and Reed C. Rollins 1942-5-14 2924 Siskiyou 4 mi. w. Yreka (rd. to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  JEPS116590  Lonicera conjugialis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -025 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  CAS-BOT-BC240847  Lonicera interrupta L. E. Smith 1913-5-14 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC240848  Lonicera interrupta Alice Eastwood; John Thomas Howell 1936-6-13 2763 Siskiyou Junction of Klamath and Shasta rivers Comment
  JEPS25560  Lonicera tatarica Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7183 Siskiyou Mt. Shasta town (formerly Sisson) Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  RSA68924  Lotus crassifolius A. E. Culbertson 1943-7-12 33 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS107673  Lotus humistratus 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
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  SEINET10452750  Lotus nevadensis var. douglasii Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6976 Siskiyou Western yellow pine, lobocedrus, douglas fir foret, 6 mi sw of callahan. 1524 Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  UC725960  Lotus purshianus var. purshianus A. A. Heller 1925-7-21 13899 Siskiyou near Edgewood; Shasta Valley Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  CHSC99999  Luetkea pectinata L. P. Janeway 2008-7-25 9497 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. Steep north-northeast sloping bowl of rocky soil and small outcrops; mostly open in somewhat stabilized area with partial shade. 1834 Comment
  HSC64941  Luetkea pectinata D. L. Goforth 1979-7-19 265 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, upper lake area 2104 Comment
  POM210967  Luetkea pectinata Louis C. Wheeler 1934-8-14 3321 Siskiyou 1 mile W White Mt. 1921 Comment
  UC1409496  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou ne of Diamond Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 2081 Comment
  RSA237533  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  SD230175  Luina hypoleuca Louis C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountain Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  HSC73995  Lupinus albicaulis Gail Newton 1980-6-20 511 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET10452745 Image available Lupinus albicaulis subsp. shastensis A. Arthur Heller 1905-6-13 Heller 8024 Siskiyou Near Shasta Springs. Comment
  RSA12492  Lupinus albicaulis var. shastensis Carl B. Wolf 1934-7-4 5945 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC454635  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; Mt. Shasta, Horse Camp 2438 Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  UC727082  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou on U.S. Highway #97 on the hill on the n outskirts Weed; n outskirts of Weed 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
  CDA27371  Lupinus albifrons var. collinus K. S. Buchanan 1975-5-29 Siskiyou Interstate 5 north of Weed airport. 0 Comment
  POM26763  Lupinus albifrons var. eminens Geo. D. Butler 1909-5-26 776 Siskiyou Yreka Creek Comment
  CAS-BOT-BC196320  Lupinus albifrons var. flumineus K. Morris; LeDoux; Dunn 1973-6-2 336 Siskiyou On Hornbrook to Montague road, about 1 mi SE of Hornbrook Comment
  SEINET10450494  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney crek. Sw facing slope; volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus and arctostaphylos 1250 Comment
  HSC22252  Lupinus andersonii J. O. Sawyer 1969-6-11 832 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  RSA237943  Lupinus andersonii var. andersonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1220 Siskiyou English Peak to Crapo Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC23655  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  POM229175  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek, Marble Mts. 976 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  SD230233  Lupinus latifolius var. viridifolius Louis C. Wheeler 1935-7-27 3723 Siskiyou Siskiyou Mountains: Doggett creek. 1615 Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  CHSC102566  Lupinus lepidus var. sellulus L. P. Janeway 2009-8-4 9893 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  SJSU6475  Lupinus lepidus var. sellulus R. W. Trivelpiece 1972-6-9 102 Siskiyou c. 4 mi W E of Grass L 1524 Comment
  UC157029  Lupinus lepidus var. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  UC85087  Lupinus lepidus var. sellulus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  RSA0064518  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 490 Comment
  UC169113  Lupinus leucophyllus William A. Dayton 266 Siskiyou Mt. Shasta; Gregg's pasture 1219 Comment
  UC82074  Lupinus leucophyllus Dr. E. B. Copeland 1903-7-14 3518 Siskiyou Klamathon Comment
  RSA166007  Lupinus leucophyllus Donald Myrick 1961-6-21 314 Siskiyou Siskiyou county: on Deer Camp road above oak Knoll Ranger Station on Klamath River 19 miles W of Hwy 99. 1738 Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  SEINET10488767  Lupinus luteolus Patricia L. Kenney 1973-6-1 Kenney 380 Siskiyou Collected along roadside of i-5, 1.3 mi s of california state line. Comment
  SEINET7040262 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  CHSC26297  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy, ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA11943  Lupinus sellulus subsp. sellulus Elmer I. Applegate 1929-6-18 5739 Siskiyou [Unspecified] Comment
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  UC1223256  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (Del Norte County) in Flint Valley 1432 Comment
  UC1475699  Lupinus tracyi Clifton & Ground 1978-7-13 2116 Siskiyou close to Orleans (near Flint Valley) 1418 Comment
  UCD77846  Luzula comosa Robert E. Preston 2001-6-23 1611 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  HSC22265  Luzula divaricata J. O. Sawyer 1969-7-10 1298 Siskiyou Slope above S Sugar Lake 2287 Comment
  HSC64675  Luzula divaricata J. O. Sawyer 1977-7-6 3034 Siskiyou S of Little Duck Lake 2134 Comment
  HSC22266  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along CCC rd. just S of Sugar Creek 1463 Comment
  RSA605981  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  UC163701  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  POM362225  Madia bolanderi L. C. Wheeler 1934-8-10 3103 Siskiyou Siskiyou Mountains: Dead Cow Creek 1829 Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  CAS-BOT-BC343993  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  POM56180  Madia elegans subsp. elegans E. B. Copeland 1903-8-13 3820 Siskiyou Sisson. 1067 Comment
  RSA123557  Madia elegans subsp. elegans G. D. Barbe 1955-7-7 141 Siskiyou East side of Forest Camp. Etna. 884 Comment
  RSA606132  Madia elegans subsp. elegans L. C. Wheeler 1935-6-13 3584 Siskiyou North side Scott River, Scott Bar Mountains 793 Comment
  CAS-BOT-BC343444  Madia gracilis A. A. Heller 1914-8-25 11707 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  JEPS74479  Madia gracilis W. J. Ferlatte 1966-8-3 248 Siskiyou wooded area near public campground; Trinity Alps, Big Flat 1524 Comment
  RSA96933  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mi. north of Walker. 549 Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  CHSC91369  Marrubium vulgare Lowell Ahart; John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC271211  Melica bulbosa C. L. Hitchcock; J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC76702  Melica bulbosa K. T. Stillman 1976-7-14 221 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2073 Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  JEPS104956  Melica harfordii Dean W. Taylor 1996-7-10 15773 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  HSC22110  Melica subulata J. O. Sawyer 1968-7-10 466 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA119381  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC349379  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS120238  Mimulus Julie Kierstead Nelson with Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  UC637069  Mimulus cardinalis Edward Lee 1934-8-12 1043 Siskiyou between Humbug and Seiad Valley (mouth of Walker Creek, s side of river); Klamath River 426 Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  RSA237545  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou Near Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2049 Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  CDA41799  Mimulus guttatus subsp. micranthus F. D. Horn 1977-5-17 s.n. Siskiyou Highway 263, Shasta River Canyon, northeast of Yreka. 0 Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  HSC44938  Mimulus moschatus J. O. Sawyer 1978-6-19 3244 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC796454  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11851 Siskiyou 1.5 mi below summit Gazelle Mountain Grade (e side of grade) 1417 Comment
  POM253585  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  UC886077  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou meadow 1 mi s Bray 1402 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC23583  Mimulus primuloides J. O. Sawyer 1969-8-4 1908 Siskiyou Above S Sugar Lake 2043 Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  UC164262  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  RSA211423  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  RSA78840  Minuartia nuttallii subsp. gregaria P. A. Munz 1952-7-2 17918 Siskiyou Road to Baldy Mountain about 6 miles by air west of Happy Camp, Siskiyou Mountains 1448 Comment
  SBBG1990  Minuartia nuttallii var. gregaria H. and M. Dearing 1939-6-2 3525 Siskiyou near Fort Jones 609 Comment
  LA45327  Minuartia nuttallii var. gregaria Louis Wheeler; 1934-6-29 2828 Siskiyou Sskiyou Mountains, Sterling Mountain, Soda Creek 1066 Comment
  NY8430  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou T40N R8W, Sec. 24. Along S side of State Route 3, 3.1 mi N of Scott Moutnain Pass. Rocky openings in Jeffery Pine woodland on serpentine. 4000 ft. Comment
  CDA23863  Mirabilis greenei D. F. Dias 1971-7-19 Siskiyou J. D. Newlin property, Yreka. 0 Comment
  RSA276601  Mirabilis greenei George Pilz 1972-5-29 800 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  CAS-BOT-BC433078  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout, Marble Mts. 1798 Comment
  UC166144  Moehringia macrophylla Geo. D. Butler 1908-8-5 27 Siskiyou West Fork of Woolly Creek Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  HSC65407  Monardella glauca Rich White 1978-7-20 263 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  HSC92974  Monardella odoratissima Jennifer Whipple 1976-8-21 1732 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  JEPS105109  Monardella odoratissima subsp. glauca Dean W. Taylor 1993-7-30 13992 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC222033  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou In the gorge of the Sacramento above Shasta Springs Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC1299605  Monardella odoratissima subsp. pallida Freed W. Hoffman 1950-7-14 3619 Siskiyou Clear Creek trail North Coast Ranges, Baldy Mountain Comment
  CAS-BOT-BC220232  Monardella sheltonii Clare B. Hardham 1965-8-1 13081 Siskiyou Near Happy Camp on Sulphur Springs Road Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  SEINET10582377  Monardella siskiyouensis A. Graff 1993-7-24 Graff 354 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  SEINET6652812 Image available Monotropa hypopitys D. V. Hemphill 1974-1 Siskiyou Marble Mountain Wilderness Area; ca. 1/4 mi north of Jawbone Camp 1554 Comment
  HSC34003  Montia fontana J. P. Smith 1974-5-25 7488 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCSC000246  Montia parvifolia I. J. Condit 2011-7-4 s.n. Siskiyou Shasta Retreat Comment
  SEINET7098050  Montia parvifolia Barbara L. Wilson 1994-5-27 6918 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  CAS-BOT-BC262674  Muhlenbergia asperifolia David D. Keck 1949-7-19 6344 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  UCD86584  Muhlenbergia filiformis AHM 1955-7-30 55 Z Siskiyou Klamath National Forest. Marble Mountains. Hamilton Camp. 1828 Comment
  CAS-BOT-BC275339  Muhlenbergia jonesii W. B. C. 1940-7-5 15247 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  UC24064  Nama lobbii Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta Mt. Shasta; s base Mt. Shasta Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  JEPS70297  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou Woolly Creek (at head of, near lake) Woolly Creek 1676 Comment
  JEPS70351  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou Oro Fino 853 Comment
  CHSC88098  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 108 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS70495  Navarretia tagetina Geo. D. Butler 1909-5-10 740 Siskiyou near Yreka Comment
  CAS-BOT-BC219533  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  UC52235  Nemophila pedunculata H. M. Hall and E. B. Babcock 1903-6-18 4121 Siskiyou Bartles Station , Bartles Station (McCloud River) 1219 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UCR80886  Nothochelone nemorosa G. Fred Hrusa 1993-8-14 11399 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
Read comments 1
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  UCR246789  Notholithocarpus densiflorus Matt K. Beyers 2010-8-18 691 Siskiyou Klamath Ranges, Siskiyou Mountains, O'Brien-Happy Camp Road, 1 mi above road to Kelley Lake, c. 2 mi above West Branch Campground Comment
  JEPS40273  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake Comment
  HSC48269  Oemleria cerasiformis K. T. Stillman, P. Stekel May 1977 510 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA60643  Oenothera deltoides subsp. piperi Dorothy Parker 1948-6-22 27 Siskiyou Between Dorris and Macdoel, Butte Valley 1220 Comment
  SD61051  Oenothera tanacetifolia D. F. Howe 1964-8-5 Siskiyou 4.4 mi. south of Dorris on #97. 1280 Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  UC42573  Ophioglossum pusillum W. C. Blasdale 1894-7-25 Siskiyou Sisson Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  JEPS109703  Oreostemma alpigenum var. andersonii Dean W. Taylor 2002-7-20 18264 Siskiyou Forest Road 17 ca. 6 miles west (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  SEINET5708887 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  JEPS10850  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley. Comment
  RSA0083189  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou N. of English Peak on route down to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA0083200  Orthilia secunda H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4421 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  JEPS4544  Orthocarpus cuspidatus subsp. copelandii Alice Eastwood 1912-8-30 1965 Siskiyou Mount Eddy Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  RSA52493  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 s.n. Siskiyou Shovel Creek, near Beswick. 1012 Comment
  RSA408802  Orthocarpus hispidus M. B. Dunkle 4965 Siskiyou Siskiyou National Forest. Comment
  UC199367  Orthocarpus imbricatus H. W. Furlong Sept 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  JEPS124595 Image available Orthocarpus imbricatus Lynne C. Carter 1967-7-12 99 Siskiyou 8 miles N. of Siskiyou-Shasta County line on HWY 89. Comment
  RSA12599  Osmorhiza berteroi C. B. Wolf 1934-7-6 5987 Siskiyou 3 miles from Mt. Shasta City on Wagon Camp Rd., SW slope of Mt. Shasta 1220 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  HSC68993  Packera macounii Maralyn A. Renner 1980-7-28 2168 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UC165943  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  SEINET8465067 Image available Panicum pacificum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 Comment
  CHSC1647  Parnassia fimbriata V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  POM142860  Parnassia palustris var. californica E. B. Copeland 1903-9-6 s.n. Siskiyou Mt. Eddy. Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  CAS-BOT-BC202835  Paxistima myrsinites John Thomas Howell 1937-7-23 13369 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC202836  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 mi. so. of Mt. Shasta City 1066 Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  CHSC95120  Paxistima myrsinites L. P. Janeway 2006-7-2 8742 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  JEPS9614  Paxistima myrsinites J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS9617  Paxistima myrsinites W. L. Jepson 1914-8-14 6158 Siskiyou Dunsmuir 1097 Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  CHSC96707  Pectiantia pentandra Gordon Leppig; Jennifer Kalt 1996-7-9 356 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC29252  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Marble Mtn. Wilderness Area, base camp meadow, English Lake Basin 2012 Comment
  HSC59898  Pedicularis contorta D. L. Goforth 1979-7-19 252 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CHSC1846  Pedicularis racemosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 1981 Comment
  HSC86526  Pedicularis racemosa D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  POM43427  Pedicularis racemosa Geo. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek. 1220 Comment
  UC572810  Pellaea brachyptera unknown 1937-7-23 9110 Siskiyou Mt Shasta Mt Shasta 1219 Comment
  UCR208089  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns, West Fork Cottonwood Creek 1238 Comment
  CAS-BOT-BC67679  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  RSA44883  Penstemon anguineus J. C. Roos 1948-9-1 3945 Siskiyou 10 miles SW of Etna. Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  CHSC1855  Penstemon cinereus V. Holt 1932-6-21 Siskiyou Mt. Shasta flats. 1158 Comment
  CHSC71331  Penstemon cinereus Vernon H. Oswald 1998-6-11 9190 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
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  CAS-BOT-BC265381  Penstemon davidsonii var. davidsonii Dean Wm. Taylor; Glenn L. Clifton; Rexford E. Palmer 1987-6-7 9018 Siskiyou Upper Modoc Plateau. S end of Saddle Hills 1645 Comment
  CHSC118649  Penstemon deustus Richard R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 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
  RSA401795B  Penstemon deustus Donald Myrick 1968-6-27 2037 Siskiyou Rocky ledge just above Carter's Ranch, 5 miles south of Big Flat, head of Coffee Creek. 1677 Comment
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  JEPS2927  Penstemon deustus var. deustus W. L. Jepson 1907-7-10 2874 Siskiyou near (12 mi s) Preston Peak (Cedar Camp on Kelsey Trail, w Siskiyou Mts.); w Siskiyou Mts, (Klamath Range*) nr Preston Peak Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  CHSC1862  Penstemon gracilentus V. Holt 1932-7-23 Siskiyou Mt. Shasta Flats. 1219 Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  UC711897  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-11 10507 Siskiyou three mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest, nr Medicine Lake Comment
  SEINET3160391  Penstemon gracilentus G. B. Grant 933 Siskiyou Mt. Shasta, S California 2438 Comment
  NY601601  Penstemon heterodoxus var. shastensis H. E. Brown 1897-7-1 508 Siskiyou South side of Mount Shasta 1524.0 Comment
  NY603841  Penstemon humilis var. humilis D. D. Keck 1940-6-13 5174 Siskiyou 9 miles south of Macdoel, on U.S. 97 between Dorris and Weed. 1463.0 Comment
  SEINET3160433  Penstemon laetus G. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  HSC86525  Penstemon laetus D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS116584  Penstemon laetus Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -016 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N15 Weed (unburned area witin Hotlum Fire perimeter burned Feb 2006; 4 mi NE of town of); Mt. Shasta 1219 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 Comment
  UC1187079  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5170 Siskiyou Weed , n side of town, Grass Lake (n side of town on Route 97) Comment
  UC585180  Penstemon laetus var. sagittatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1953 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on highway from Bray to Weed); n slope Mt. Shasta, s of Sheep Rock 1249 Comment
  NY604552  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4439 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 4.4 miles north-northeast of jct. I-5 Business Loop in Weed. 1127.8 Comment
  UC775002  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 2134 Comment
  HSC91141  Penstemon newberryi subsp. berryi Jennifer Whipple 1976-7-7 1327 Siskiyou Dale Creek drainage on N face of Mt. Eddy 2378 Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  CAS-BOT-BC239335  Penstemon newberryi var. berryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW. slope of Mt. Shasta. 1/2 mi. So. of trail to Horse Camp 1524 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  CAS-BOT-BC239343  Penstemon newberryi var. berryi Wm. Bridge Cooke 1938-6-17 11010 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  UCSB22123  Penstemon newberryi var. newberryi Breedlove, Dennis 1962-6-11 Siskiyou at base of Black Butte; along U.S. Highway 99; 4 miles south of Weed 1188 Comment
  JEPS11203  Penstemon parvulus Ruby Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280 Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  CAS-BOT-BC239431  Penstemon rydbergii var. oreocharis Peter Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Hwy 97 Comment
  POM214029  Penstemon speciosus Isabelle C. Kimber 1934-6-9 1 Siskiyou Mt Shasta. 1220 Comment
  SD46693  Penstemon speciosus E. K. Balls, L. W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi. se. of Weed, U.S. Hwy. 99 1219 Comment
  UC1001181  Pentagramma triangularis subsp. triangularis Dorothy Parker 1953-5-24 532 Siskiyou Scott River; Siskiyou Mts, Scott River 681 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
Read comments Jun 12 2012
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CDA38507  Perideridia oregana D. H. Shaw 1982-7-16 s.n. Siskiyou Butte Valley near Dorris. 0 Comment
  CAS-BOT-BC423355  Peritoma platycarpa L. E. Smith 1912-8-1 s.n. Siskiyou Pitt River, Montague Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS2783 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  HSC77342  Phacelia corymbosa L. P. Janeway 1983-7-4 383 Siskiyou Near top of Little Grayback Mtn. 1860 Comment
  HSC65663  Phacelia egena J. P. Smith, Steve Selva 1970-6-15 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS79424  Phacelia greenei F. D. and C. L. Horn 1980-5-31 Siskiyou Whipple Ranch Etna (nw corner of Section 25) Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  UC666548  Phacelia linearis G. L. Stebbins Jr. and A. A. Beetle 1942-5-31 3252 Siskiyou 5 mi w Gazelle (crest of ridge) Comment
  SEINET3121757 Image available Phacelia mutabilis John Thomas Howell 1937-7-22 13328 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC909977  Phacelia mutabilis A. A. Heller 1915-8-26 12231 Siskiyou n side Mt. Eddy 1981 Comment
  RSA249719  Phacelia pringlei 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
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  HSC27638  Philadelphus californicus Carl W. Mize 1972-6-10 50 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 290 Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC250947  Phleum pratense T. H. Gilbert 1899-6-15 57 Siskiyou Scott River Valley Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  HSC17154  Phlox diffusa Jerry Parker 1968-10-6 130 Siskiyou Little Duck Lake Trail, Salmon Mtns. 1677 Comment
  UC1080548  Phlox diffusa S. S. Tillett 1956-7-9 630 Siskiyou ca 8 mi se Callahan (e-facing slope of Scott Mtn., Siskiyou-Trinity Co. line); Scott Mtn. 2072 Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  JEPS82447  Phlox gracilis Gilbert Muth 1966-7-18 419 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  HSC17169  Phlox rigida D. M. Thomson 1965-6-19 104 Siskiyou Lava Beds National Monument; 1.5 mi. N of Merril Ice Cave, on fire road Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC56492  Phyllodoce empetriformis Doris K. Kildale 1928-8-19 6581 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC56498  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  UCSB27387  Phyllodoce empetriformis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near the summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  UC14119  Physocarpus capitatus W. H. Brewer 1862-9-7 1340 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC78158  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, headwaters of Applegate River Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  POM264685  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC31987  Pinus albicaulis Steve Selva, Roger Jensen 1974-8-25 54 Siskiyou Top of slopes W of Little Duck Lake Comment
  RSA0086516  Pinus albicaulis Bonnie C. Templeton 1968-6-13 11334 Siskiyou Mt. Shasta, in the region of Panther Meadows. 2804 Comment
  UC400301  Pinus attenuata Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  NY34629  Pinus attenuata F. M. Ownbey 1940-7-7 2219 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
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  JEPS82668  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UCD133168  Pinus contorta subsp. murrayana Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  UCD134532  Pinus contorta subsp. murrayana J. M. Tucker 1950-7-24 1957 Siskiyou area reached by Military Road, east slope of Mt. Shasta. Comment
Read comments Mar 6 2015
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC78963  Pinus monticola W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  HSC69521  Pinus monticola Maralyn A. Renner 1980-6-26 1287 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA184683  Pinus monticola Gilbert Muth 1966-8-6 193 Siskiyou Upper meadows and marble outcrops of Marble Valley, Marble Mountains. 1768 Comment
  SD136380  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou west slope above Kangaroo Lake, Scott Mountains 2100 Comment
  SEINET10966122  Pinus ponderosa Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6982 Siskiyou Western Yellow Pine, Libocedrus, Douglas Fir forest, 6 mi SW of Callahan. 1524 Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  RSA80219  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  POM72153  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou Near Yreka. Comment
  RSA518800  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou About 2 miles east of Gazelle on road to Weed. Comment
  UC642563  Plantago lanceolata unknown 1939-7-7 13585 Siskiyou Bear Springs Mount Shasta Comment
  RSA412564  Plantago lanceolata Bonnie C. Templeton 1957-6-23 s.n. Siskiyou Along the Scott River, near Callahan. Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  SBBG25937  Platanthera dilatata var. leucostachys D. Myrick 1966-8-8 1491 Siskiyou rd to Carter Ranch Mtn Meadow Ranch, Big Flat 1584 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  SEINET999812  Platanthera dilatata var. leucostachys Mark Fishbein, Lane Greer 2006-1 Siskiyou Comment
  RSA382884  Platanthera leucostachys M. B. Dunkle 1944-7-18 9130 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  HSC41084  Plectritis congesta J. O. Sawyer 1970-3-4 2070 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC261040  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 1828 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC34104  Poa bolanderi J. O. Sawyer 1969-7-9 1222 Siskiyou Along trail to Sugar Lake. 1768 Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA0000484  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SEINET10893840  Poa pratensis subsp. pratensis Lawrence P. Janeway 1983-7-26 Janeway 592 Siskiyou Preston Peak quad (15') T18N, R6E, SW 1/4 of sec. 20, Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. Dry front edge of the upper part of the meadow. 1524 Comment
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  UCD91766  Poa pringlei Alfred H. Murphy 1957-7-24 57 U Siskiyou head of Bear Creek Trail to Toad Lake, Shasta National Forest, south of Mt. Eddy. 2346 Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  UC589888  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi sw Gazelle; Etna Quadrangle 792 Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243242  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Jaynes Canyon, Klamath Forest 1920 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UCD91714  Poa secunda subsp. secunda W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, SW of Hebron Summit. 1524 Comment
  CAS-BOT-BC244324  Podagrostis humilis W. B. C. 1938-9-17 11695 Siskiyou Mount Shasta. Water Supply Spring, Horse Camp, Hudsonian Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  POM301665  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-BC6420  Polemonium shastense Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  CAS-BOT-BC170338  Polygala cornuta var. cornuta A. A. Heller 1921-7-22 13584 Siskiyou Spring Hill near the town of Mt. Shasta 1082 Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  SEINET3160303  Polygonum bistortoides G. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek 1219 Comment
  UC1299691  Polygonum bistortoides Freed W. Hoffman 1951-7-16 4055 Siskiyou Sky High Valley Marble Mountains Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  UCR64597  Polygonum californicum L. C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns 1006 Comment
  UC164033  Polygonum convolvulus Geo. D. Butler 1908-7-17 1068 Siskiyou along creek near Yreka Comment
  UC850076  Polygonum convolvulus L. E. Smith July 1915 Siskiyou Sisson Comment
  UC55507  Polygonum davisiae Harley P. Chandler June 1901 1638 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  SEINET4338954  Polygonum douglasii G. D. Butler 1910-7-7 1787 Siskiyou Dry bank Shackleford Creek 914 Comment
  UC375151  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-8 186 Siskiyou West Fork of Woolly Creek; head Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  CHSC45465  Polygonum douglasii subsp. spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the Highway 96, near the Klamath River, about 5 miles west of Interstate 5. 914 Comment
  JEPS94639  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou junction of Gazelle-Callahan Rd. and USFS 41N03 (11.5 mi w of Gazelle) 1524 Comment
  UC164463  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-8-1 188 Siskiyou Forest House Mountain Comment
  UC375150  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou along creek near Yreka Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  SEINET4335357  Polygonum minimum G. D. Butler 1910-7-13 1776 Siskiyou Shackerford Creek 1219 Comment
  JEPS19769  Polygonum persicaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5969 Siskiyou about 1 1/2 mi w Weed (along U.S. Hwy 99) 992 Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CAS-BOT-BC420074  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 Siskiyou Medicine Lake Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  CAS-BOT-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC1188085  Polygonum shastense Philip A. Munz 1960-8-22 24182 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  CAS-BOT-BC421080  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  CAS-BOT-BC421071  Polygonum spergulariiforme Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar near junction of Klamath & Salmon Rivers Comment
  UC637174  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback 1798 Comment
  HSC27332  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5712 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC72392  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou Klamath National Forest, E. Fk. Horse Creek 1981 Comment
  RSA693359  Polystichum lemmonii M. B. Dunkle 1945-1 9310 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  SFV94  Polystichum lemmonii D. Parker 1960-7-20 s. n. Siskiyou Cory Peak. Alono Cabin, Meadow Creek. 1829 Comment
  CAS-BOT-BC72398  Polystichum lonchitis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UC922427  Polystichum lonchitis Annie M. Alexander and Louise Kellogg 1949-7-24 5858 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts., Paradise Lake 1920 Comment
  UCR143038  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  CAS-BOT-BC72501  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  CAS-BOT-BC102957  Populus trichocarpa Alice Eastwood 1917-9-2 6670 Siskiyou Shasta Springs Comment
  CAS-BOT-BC102958  Populus trichocarpa W. B. C. 1939-8-10 13855 Siskiyou in the upper portion of Mud Creek Canyon 1828 Comment
  CAS-BOT-BC267172  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou In Abrams Lake near the town of Mount Shasta 1066 Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  HSC85  Potentilla breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek 2134 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC29383  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Marble Mountain Wilderness Area, ridge SE of Tobacco Lake Meadow 1890 Comment
  HSC18938  Potentilla flabellifolia J. O. Sawyer 1969-7-24 1475 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC166112  Potentilla flabellifolia Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain 1828 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  CHSC88117  Potentilla glandulosa Jenny Marr 1993-7-1 127 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA237859  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-16 531 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  UCD113876  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  JEPS79199  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek (headwaters of Indian Creek) 1584 Comment
  CAS-BOT-BC540575  Potentilla gracilis var. fastigiata W. B. Cooke; V. G. Cooke 1968-7-1 39229 Siskiyou Military pass Road at US-97, Mount Shasta 1371 Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  JEPS25764  Prunella vulgaris Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7476 Siskiyou 2.5 mi ne Swillup Creek crossing (along side canyon of Calif Hwy 96, Klamath River canyon); Klamath River canyon, ne of Swillup Creek crossing 304 Comment
  HSC18927  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-7-26 1586 Siskiyou Along Sugar Creek 1707 Comment
  RSA105423  Prunella vulgaris var. lanceolata G. D. Barbe 1955-6-29 40 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC27464  Prunus emarginata J. P. Smith, J. O. Sawyer 1972-5-28 5377 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  RSA183438  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CDA26201  Prunus subcordata T. C. Fuller 1961-5-16 6953 Siskiyou Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  CAS-BOT-BC151235  Prunus virginiana var. demissa Cyril Gammon 1951-8-14 130 Siskiyou Happy Camp Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC159451  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou Between Shasta Retreat and Shasta Springs. Just below Shasta Springs, on the Sacramento, growing near the water. Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  RSA17456  Prunus virginiana var. melanocarpa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  RSA789820  Pseudostellaria jamesiana Rebecca Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  CAS-BOT-BC80097  Pseudotsuga menziesii G. B. Grant 1902-9-10 s.n. Siskiyou Sisson 1127 Comment
  CAS-BOT-BC80166  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC618696  Pteridium aquilinum var. pubescens W. Bridge Cooke 1938-9-2 11589 Siskiyou Sisson Southern Trail Mt Shasta Comment
  UCD78117  Pteridium aquilinum var. pubescens Robert E. Preston 2001-6-30 1662 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  CAS-BOT-BC460557  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4428 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC1368676  Pteryxia terebinthina var. californica W. Bridge Cooke and V. G. Cooke 1968-7-1 39232 Siskiyou Along Andesite Road, North Side of Mt Shasta, Siskiyou County 1524 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  CAS-BOT-BC147905  Purshia tridentata var. tridentata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  RSA48587  Purshia tridentata var. tridentata Philip A. Munz 1949-5-18 13311 Siskiyou 2 miles SW of Gazelle 1463 Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  HSC27719  Pyrola aphylla Carl W. Mize 1972-6-8 20 Siskiyou Along the main trail 351 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC462800  Pyrola dentata Doris K. Kildale 1929-8-24 9059 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
Read comments May 8 2018
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  UC876270  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  HSC36657  Pyrola picta Brent Whiteley 1975-6-28 87 Siskiyou 915 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  RSA0083258  Pyrola picta A. E. Culbertson 1943-8-5 47 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. with 10 air miles of its headwaters to the west. Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  JEPS11907  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4797 Siskiyou 2.5 mi s and above junction with Gazelle road (along road from Callahan to Carrville on grade over Scott Mt.); Scott Mt. 1371 Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC45748  Quercus Roxana S. Ferris; Laura Lorraine 1948-6-12 11859 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  UCD47005  Quercus X morehus Frank T. Callahan II 1984-11-17 s.n. Siskiyou California, Siskiyou County: Anderson Grade Summit, north facing slope, east of I-5. 990 Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
Read comments Jan 14 2016
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  RSA476553  Quercus chrysolepis Edwin Kline 1920-6-17 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC94646  Quercus garryana Oliver V. Matthews 1939-7-3 20 Siskiyou Sullivan Mine Grove-Cook & Green Region 1219 Comment
  UC767803  Quercus garryana Wm. H. Brewer 1862-1 1462 Siskiyou near Shasta Comment
  SEINET10477171  Quercus garryana K. Faber, S. LaChance; M. Rekart 1984-5-26 Faber 53 Siskiyou Indian scotty campground, t44n,r11w,sec.26. Disturbed area, 15-20% slopr, Northern oak woodland with quercus 701 Comment
  CAS-BOT-BC62762  Quercus garryana var. breweri Doris K. Kildale 1929-7-20 8626 Siskiyou trail along South Fork Indian Creek to Elk Lick Comment
  UC1408907  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou e side, vicinity of English Peak, w Siskiyou County Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1722 Comment
  UCD14457  Quercus garryana var. breweri Dean W. Taylor 1972-7-1 1565 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  POM106330  Quercus garryana var. garryana Geo. D. Butler 1908-8-16 233 Siskiyou Yreka Hills. Comment
  CAS-BOT-BC105465  Quercus kelloggii Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC105466  Quercus kelloggii Alice Eastwood 1912-8-28 1961 Siskiyou Cantara Comment
  UC618843  Quercus kelloggii unknown 1938-8-5 11435 Siskiyou MacBride Spring Road Mount Shasta Comment
  UCSB13285  Quercus kelloggii Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Golf Creek, 4.5 miles west of Seiad 411 Comment
  CDA22028  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  RSA293015  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  CHSC71585  Quercus vacciniifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 Comment
  HSC534  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Yellow Rose Mine 1982 Comment
  POM106258  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1220 Comment
  UC848338  Quercus vacciniifolia unknown 1941-9-16 16320 Siskiyou along the Castle Lake Road Comment
  UCD47447  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UC827780  Ranunculus flammula Alice Eastwood 1912-7-15 1087 Siskiyou McCloud Comment
  UC54285  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock June, 1903 4066 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta (meadows around) 1066 Comment
  RSA13286  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8571 Siskiyou Trail up S Fork of Indian Creek. 457 Comment
  RSA7703  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  HSC26915  Rhodiola integrifolia subsp. integrifolia J. P. Smith, J. O. Sawyer 1971-9-17 4772 Siskiyou Slopes above Big Duck Lake Comment
  HSC36211  Rhododendron columbianum John Rehling 1975-8-11 107 Siskiyou S end of Little Duck Lake Comment
  SJSU6476  Rhododendron occidentale R. W. Trivelpiece 1972-6-18 122 Siskiyou Douglas Cr near Klamath R c. 10 mi SW of Happy Camp 762 Comment
  UC22136  Rhododendron occidentale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC36726  Rhododendron occidentale var. paludosum Brent Whiteley 1975-6-28 81 Siskiyou 915 Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  POM146272  Rhododendron occidentale var. paludosum J. B. Feudge 1927-7-22 1729 Siskiyou Trail [sisson] to Mt. Eddy. 1524 Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92529  Ribes binominatum Doris K. Kildale 1928-7-2 5406 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC108775  Ribes cereum W. R. Dudley 1899-8-1 s.n. Siskiyou Craggy Peak. Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  JEPS43487  Ribes cereum W. L. Jepson 1940-6-23 20019 Siskiyou near n base Mt. Shasta (Andesite siding on S. P. Railway) 1402 Comment
  UCR47904  Ribes cereum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  SEINET3151782  Ribes hittellianum A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  UC195273  Ribes lacustre Annie M. Alexander and Louise Kellogg 1911-6-24 184 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC173395  Ribes lobbii David D. Keck 1938-8-6 4814 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Orego line, on road from Waldo to Happy Camp 1555 Comment
  CAS-BOT-BC173396  Ribes lobbii John Thomas Howell 1939-8-10 15285 Siskiyou Grindstone Camp, Canyon Creek, Marble Mts. Comment
  HSC29418  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Marble Mtn. Wilderness Area, saddle along ridge between Charmaine Lake and Abbott's Lake 1890 Comment
  HSC68334  Ribes lobbii Maralyn A. Renner 1980-6-26 1236 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  UC1181810  Ribes lobbii Dorothy Parker 1950-4-22 401 Siskiyou near French Creek; Siskiyou Mountains, Salmon Mountains 1005 Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC212484  Ribes marshallii Harry R. Saxton; Roy H. Canfield 1922-9-2 38882 Siskiyou Head of Bridge Creek, Klamath Forest 1524 Comment
  UC637073  Ribes marshallii Edward Lee 1934-8-15 1131 Siskiyou Near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed Klamath National Forest 1584 Comment
  HSC69254  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3727 Siskiyou Near USFS Rd. 45N05 in center of section 1890 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
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  UC14178  Ribes roezlii var. cruentum W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  JEPS49247  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackelford Creek 1524 Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC13752  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  JEPS84200  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  CAS-BOT-BC74654  Rorippa curvisiliqua Doris K. Kildale 1928-7-4 5530 Siskiyou 1.5 mile west of summit of divide between Salmon River and Scott Valley. Comment
  HSC29182  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, just before first moraine en route to Tobacco Lake 1890 Comment
  HSC77283  Rorippa curvisiliqua L. P. Janeway 1983-8-27 620 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  POM208275  Rorippa curvisiliqua L. C. Wheeler 1934-7-3 2872 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  UC1795619  Rosa canina Barbara Ertter 2001-6-9 17667 Siskiyou Mt. Shasta City at west base of Mt. Shasta, sedge meadow at SE corner of Lake and Commercial streets [destroyed for development in 2002] 1066 Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  JEPS19980 Image available Rosa gymnocarpa W. L. Jepson 1894-8-9 13890 Siskiyou Shasta Springs; ; Shasta Springs, Siskiyou Co. Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  HSC27034  Rosa pisocarpa J. P. Smith, J. O. Sawyer 1972-9-14 5811 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  POM140216  Rosa pisocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta region Comment
  UC902160  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou near summit (on road from Scott Valley to Trinity Center); Scott Mt. 1615 Comment
  JEPS45695  Rosa pisocarpa subsp. pisocarpa W. L. Jepson July 1894 13894 Siskiyou Sisson Comment
  POM277840  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou By streams. Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  CAS-BOT-BC147135  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  CAS-BOT-BC147136  Rubus glaucifolius Elmer I. Applegate 1923-9-7 3949 Siskiyou Doggett Creek, Canyon of the Klamath River, south slope of the Siskiyou Mountains Comment
  JEPS25620  Rubus lasiococcus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7253 Siskiyou Poker Flat 1536 Comment
  HSC99686  Rubus ursinus J. O. Sawyer 1969-6-12 893 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS44763  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River below Yreka; Shasta River below Yreka Comment
  JEPS87796  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  UC375326  Rumex acetosella Geo. D. Butler 1908-7-23 515 Siskiyou Yreka Comment
  UC375325  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka Comment
  RSA237869  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-31 1566 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  HSC22278  Salix eastwoodiae J. O. Sawyer 1969-7-24 1481 Siskiyou SW slope above Sugar Lake 1890 Comment
  HSC41036  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou N of High Lake 2043 Comment
  UCD110840  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC125452  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  SJSU263  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy, c. 13 km NW of Shasta City 1109 Comment
  CAS-BOT-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC482232  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC107340  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC126159  Salix scouleriana L. E. Smith 1914-3-17 575 Siskiyou Sisson Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  CAS-BOT-BC129046  Salix scouleriana W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak, near spring Comment
  SJSU180  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy c.13 km NW of Shasta city 1112 Comment
  UC449840  Salix scouleriana L. S. Smith 1931-6-1 17 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  HSC65315  Salsola tragus J. P. Smith, Steve Selva 1970-8-9 4585 Siskiyou In potato fields W of Macdoel. Comment
  CDA5770  Salvia virgata C. S. Giebner 1968-7-29 Siskiyou E.H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka 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
  JEPS12731  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  HSC3965  Sambucus nigra subsp. caerulea D. M. Thomson 1965-8-7 176 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  HSC29278  Sambucus racemosa var. racemosa Frederick W. Oettinger 1969-7-18 1059 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake. 1768 Comment
  UC585154  Sanicula bipinnatifida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2010 Siskiyou about 1 1/2 mi w of Mount Shasta City (Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC61953  Sanicula graveolens Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC61602  Sanicula graveolens Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  UCD39819  Sanicula tuberosa A. H. Murphy 1953-7-28 KNF 9 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  CAS-BOT-BC110339  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  LA203910  Saussurea americana Louis Wheeler; 1934-8-14 3146 Siskiyou Siskiyou Mountains, S side White Mountain 1737 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  POM298393  Saxifraga tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lake. Comment
  CAS-BOT-BC445878  Saxifragopsis fragarioides Doris K. Kildale 1928-8-19 6612 Siskiyou Hancok Lookout on trail to Marble Mountain 2194 Comment
  UC1736423  Saxifragopsis fragarioides Dean W. Taylor 1999-8-12 17318 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA580863  Schedonorus arundinaceus L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 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
  SEINET7592336 Image available Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou S side of Horse's Hole Pond, above Horse Range Lake 1875 Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  HSC69090  Scirpus microcarpus Maralyn A. Renner 1980-8-4 2211 Siskiyou Flint Valley 1390 Comment
  CDA3396  Scleranthus annuus F. D. Horn 1974-5-13 Siskiyou D. V. Meadows property, Shasta Valley Road, Weed. 0 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA602832  Sclerochloa dura L. C. Wheeler 1935-7-13 3665 Siskiyou Ager. 793 Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  RSA238531  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET8021125  Scutellaria antirrhinoides D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  CAS-BOT-BC240100  Secale cereale W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34330 Siskiyou Along highway, Memorial Highway, Mt. Shasta Comment
  UC198693  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1911-8-14 323 Siskiyou Mt. Eddy 2789 Comment
  HSC40493  Sedum laxum subsp. heckneri J. O. Sawyer 1973-7-16 2545 Siskiyou Along Big Meadow Creek 1128 Comment
  JEPS121407  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25541 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 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
  LA204812  Sedum obtusatum Wm. Bridge Cooke; 1939-8-10 13849 Siskiyou Mount Shasta, Mud Creek near the botton of the Canyon 1676 Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  HSC19535  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-7 1087 Siskiyou Little Duck Lake 1966 Comment
  HSC19536  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1510 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC19541  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-1 978 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 Comment
  CAS-BOT-BC64652  Sedum oregonense Doris K. Kildale 1928-8-19 6541 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  RSA297042  Sedum oregonense John F. Emmel 1974-7-19 514 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  UC166614  Sedum spathulifolium Geo. D. Butler 1908-8-21 498 Siskiyou Etna Creek Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  CAS-BOT-BC278104  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  RSA237815  Selaginella densa var. scopulorum Frederick W. Oettinger, J. L. Morrison 1967-8-17 282 Siskiyou NE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 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
  POM210934  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  CAS-BOT-BC363590  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou S. slope of Mt. Eddy 2682 Comment
  SBBG8761  Senecio integerrimus H. and M. Dearing 1939-7-1 3773 Siskiyou W of Etna Crk 1219 Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC2373  Senecio integerrimus var. major William J. Ferlatte 1966-6-23 147 Siskiyou Big Flat, near public camp 1524 Comment
  SEINET10809464 Image available Senecio integerrimus var. major Harley P. Chandler Chandler 1606 Siskiyou Ridges and meadows near Marble mountain. 1981 Comment
  CAS-BOT-BC364435  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  CAS-BOT-BC364436  Senecio triangularis R. C. Wenk 2008-7-24 920 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  CAS-BOT-BC364443  Senecio triangularis Doris K. Kildale 1928-8-19 6547 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC58875  Senecio triangularis Marvin Butler 1971-7-12 111 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  HSC69184  Senecio triangularis Maralyn A. Renner 1980-8-31 2636 Siskiyou Twin Valley. 1494 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
  HSC96401  Senecio triangularis Gordon Leppig, J. Kalt 1996-7-9 351 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  UC114369  Sibbaldia procumbens Thomas Howell May 1889 1383 Siskiyou Hornbrook Comment
  HSC61977  Sibbaldia procumbens Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  HSC77411  Sidalcea malviflora subsp. celata L. P. Janeway 1983-8-16 548 Siskiyou Poker Flat 1524 Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  SDSU4483  Silene douglasii D. F. Howe 1964-8-4 3935 Siskiyou Modoc National Forest 9 miles from entrance from Lava Bed National Monument. 2042 Comment
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 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: T42N R4E NE1/4 NE1/4 Sect. 6 1755 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
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  SD113391  Silene grayi Darley F. Howe 1962-8-6 3404 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC65510  Silene grayi Rich White 1977-7-21 135 Siskiyou Near top of False Peak NW from Preston Peak 1738 Comment
  RSA233679  Silene grayi R. F. Thorne 1969-8-10 38964 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC1299624  Silene grayi Freed W. Hoffman 1950-7-14 3636 Siskiyou Clear Creek trail , Clear Creek trail (western Baldy Mountain) Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  UC375212  Smilacina racemosa Geo. D. Butler 1908-8-7 96 Siskiyou West Fork Wooley Creek; head Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  JEPS24786  Smilax californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6794 Siskiyou along river below and sw Mt. Shasta town (Sisson) (between debouchements of Wagon and Scott Camp Creeks); South Fork of Sacramento River 944 Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 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-BC365557  Solidago elongata Alice Eastwood 1912-7-21 1292 Siskiyou Sisson Comment
  CAS-BOT-BC365581  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC365558  Solidago elongata Geo. D. Butler 1910-8-3 1858 Siskiyou Oro Fino Comment
  HSC77560  Solidago lepida var. salebrosa L. P. Janeway 1983-8-16 542 Siskiyou Poker Flat 1524 Comment
  CHSC114087  Solidago multiradiata Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. 1947 Comment
  JEPS121608  Solidago multiradiata Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237836  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  HSC29329  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  UC630394  Sparganium angustifolium Annetta Carter 1939-8-20 1464 Siskiyou 12 mi sw Etna (nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  SEINET3837389  Sparganium angustifolium Unknown 1939-8-20 1464 Siskiyou Northwest end of Talor Lake, 12 miles southwest of Etna, Salmon Mountains, 2027 Comment
  HSC83919  Sparganium emersum K. Berg, Stephanie Bennett 1986-8-25 651 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  HSC73  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  RSA30418  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch. NE base of Mt Eddy, 1189 Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  CHSC63614  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1994-8-10 6461 Siskiyou 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
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  RSA238547  Stachys rigida subsp. rivularis Frederick W. Oettinger 1968-8-11 481 Siskiyou Just below Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC23656  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-6-27 857 Siskiyou Along CCC Rd. 1311 Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  RSA237782  Stellaria crispa Frederick W. Oettinger 1968-9-5 723 Siskiyou Campsite near stream, Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. Comment
  CAS-BOT-BC375643  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 a Siskiyou Sisson Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  SD53403  Streptanthus tortuosus Darley F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta 2440 Comment
  UCSB27379  Streptanthus tortuosus Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  UC1492819  Streptanthus tortuosus Freed W. Hoffman 1950-7-12 3424 Siskiyou rocks along Klamath River Hwy 3.2 mi from Pick-Aw-Wish Public Camp (toward the e) Comment
  HSC27108  Streptanthus tortuosus var. tortuosus Carl W. Mize 1972-6-21 63 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  RSA105400  Symphoricarpos albus var. laevigatus G. D. Barbe 1955-6-30 059 Siskiyou 0.8 mile NW of Forest Camp, Etna; along Johnson Creek. 945 Comment
  CAS-BOT-BC234794  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  HSC42981  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-29 2734 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC67829  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-20 3758 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC245772  Symphoricarpos rotundifolius Dorothy Parker 1947-5-23 183 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CHSC29307  Symphyotrichum spathulatum J. D. Prouty; A. Ratcliff, et al. 1979-8-2 79 .92 Siskiyou Pumice Stone Well. 1938 Comment
  UC572806  Symphyotrichum spathulatum W. Bridge Cooke 1937-8-17 9280 Siskiyou The Gate Mt. Shasta 2590 Comment
  CAS-BOT-BC98853  Symphyotrichum spathulatum var. intermedium Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  HSC92597  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1976-7-24 1571 Siskiyou Durney Creek below Durney Lake 2104 Comment
  HSC58876  Taraxacum officinale Marvin Butler 1971-7-9 87 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  UC725378  Taraxia tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou along hwy just s Bray Comment
  CAS-BOT-BC81339  Taxus brevifolia J. G. Lemmon & Wife s.n. Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  JEPS90356  Thelypodium brachycarpum Dean W. Taylor 1987-8-9 9289 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  RSA114965  Thelypodium brachycarpum E. K. Balls, Lee W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Eureka to Dunsmuir. 884 Comment
  CDA25193  Thelypodium brachycarpum Don Shaw 1978-8-23 Siskiyou White Lake - Lower Klamath Refuge, Tule Lake. 0 Comment
  HSC24813  Thelypteris nevadensis J. O. Sawyer 1969-7-23 1441 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC165977  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  RSA0039366  Thysanocarpus curvipes var. curvipes George D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  UC530060  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork Beaver Creek; Siskiyou Mts., West Fork Beaver Creek 1066 Comment
  RSA378166  Tofieldia glutinosa subsp. occidentalis M. B. Dunkle 1945-7-24 9251 Siskiyou Klamath National Forest, Marble Mountains; Dad s Pocket Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC377174  Tragopogon pratensis Geo. D. Butler 1910-7-1 1619 Siskiyou Street side, Yreka Comment
  HSC61123  Trautvetteria caroliniensis Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  CHSC30093  Triantha occidentalis subsp. occidentalis M. S. Taylor 1980-7-22 3173 Siskiyou Ca. 0.1 mi sw of Big Carmen Lake, on s side of 40N08, ca. 2.3 mi ne of its jct with Hwy 3 at Scott Mt. Summitt. 1737 Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC519557  Triantha occidentalis subsp. occidentalis John Thomas Howell 1937-7-23 13371 Siskiyou Siskiyou: South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC519558  Triantha occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. Below Camp's water spring in marshy hillside. Western exposure. 1524 Comment
  CDA22542  Trichostema lanceolatum Glenn Briggs 2008-7-21 PDR# 1414000 Siskiyou Seiad Valley, 53005 Hwy 96 0 Comment
  RSA801990  Trientalis latifolia Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 915 Comment
  CHSC4556  Trifolium dubium J. E. Bowlin 1967-7-18 60 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  UCD107924  Trifolium eriocephalum subsp. eriocephalum Ed. Hale 1984-5-8 s.n. Siskiyou East end of Deer Meadow Road, approximately 1 mile W of R. Diaz property on Shamrock Road, South of Yreka. Comment
  JEPS101153  Trifolium eriocephalum var. eriocephalum Dean W. Taylor 1996-6-19 15713 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  JEPS48905  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreaka (Butler's Ranch) Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  HSC75351  Trifolium longipes J. O. Sawyer, M. Mesler 1980-8-10 4033 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  CHSC38996  Trifolium longipes subsp. hansenii J. D. Jokerst 1983-7-5 1830 Siskiyou Atkin's Meadow, northern 1/2, ca 15 air miles east of McCloud. Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  HSC19001  Trifolium productum J. O. Sawyer 1969-7-24 1193 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 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
  UC630693  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
Read comments Mar 31 2006
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  HSC44867  Trillium ovatum J. P. Smith 1973-5-5 6452 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 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
  HSC60806  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-24 229 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
  UC1409310  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-15 1035 Siskiyou w. bank of Abbott Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1676 Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  RSA0000536  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Near hairpin turn of Music Creek logging road, along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC200265  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11468 Siskiyou Horse Camp Springs. Above Horse Camp Comment
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  RSA352885  Trisetum spicatum M. B. Dunkle 1945-1 9318 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD93740  Trisetum spicatum A. H. Murphy 1960-8-11 60 L Siskiyou Klamath National Forest. Whisky Camp. 1828 Comment
  JEPS62184  Triteleia W. L. Jepson 1940-7-3 20105 Siskiyou large meadow about 5 mi se Bartles; Big Bear Flat 1219 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  UCD13281  Triteleia crocea K. F. Mawdsley 1996-7-10 15 Siskiyou From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. 1661 Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  POM207277  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  CAS-BOT-BC391313  Vaccaria hispanica L. E. Smith 1914-6-24 723 Siskiyou Sisson Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  CHSC88623  Vaccinium membranaceum Gail A. Newton 1981-8-1 2347 Siskiyou Klamath National Forest. On (very near) the Kelsey Trail. 1493 Comment
  CHSC89004  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  HSC87235  Vahlodea atropurpurea K. Berg, Stephanie Bennett 1986-8-25 653 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 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
  HSC29265  Vancouveria hexandra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1232 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1860 Comment
  RSA237916  Veratrum californicum Frederick W. Oettinger 1969-9-2 1590 Siskiyou Meadows above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS82496  Veratrum californicum var. californicum Gilbert Muth 1965-8-3 152 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  UC1409323  Veratrum viride Frederick W. Oettinger 1969-8-1 346 Siskiyou s side Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  CAS-BOT-BC527059  Veratrum viride var. eschscholzianum P. C. Everett; E. K. Balls 1959-10-23 23940 Siskiyou 4 miles SW from Etna on road from Callaban to Somesbar, Salmon Mts. 1676 Comment
  RSA74738  Verbascum blattaria Albert M. Vollmer, L. Beane 1951-6-2 48 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  JEPS39081  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1908-6-26 83 Siskiyou Butler Ranch near Yreka Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  HSC41803  Veronica americana Brent Whiteley 1975-8-1 119 Siskiyou Ti Creek, Klamath National Forest 671 Comment