Search Results — 2000 specimen records retrieved (1383 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  RSA47982  Abies X shastensis Roxana S. Ferris, Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  CAS-BOT-BC77937  Abies amabilis Eugene L. Parker 1961-10-3 s.n. Siskiyou Below [summitof] summit of Copper Butte on northern edge of Colony, Klamath National Forest 1920 Comment
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA237419  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC33944  Abies concolor J. P. Smith 1974-5-25 7432 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC68975  Abies concolor Maralyn A. Renner 1980-7-24 2128 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC32541  Abies lasiocarpa Steven Lagos 1974-5-26 83 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  UCR30522  Abies magnifica var. shastensis John C. Roos 1948-9-1 s.n. Siskiyou high ridge SW of Etna Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 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
  UCSB12088  Acer macrophyllum Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 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
  SEINET2146077  Achillea lanulosa W. Bridge Cooke 1941-7-18 16068 Siskiyou Along the Wagon Camp-Bear Springs road. 1680 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC92338  Achillea millefolium Jennifer Whipple 1976-6-30 1198 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC96314  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS82499  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou top of Marble Mountain Lookout; Marble Mtn. Wilderness Area 1975 Comment
  UC29235  Achillea millefolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD128362  Achillea millefolium J. M. Tucker 1963-8-18 3758 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  HSC4564  Achillea millefolium R. C. Wunner 1965-6-22 257 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  RSA603013  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-6-9 3559 Siskiyou Siskiyou Mts.; Yreka Creek 1220 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
  UC1025010  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3481 Siskiyou 2 mi se Medicine Lake (lava ridge, Bullseye Lake); Bullseye Lake Comment
  RSA0034618  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS94631  Achnatherum thurberianum Vernon H. Oswald 1998-6-11 9192 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  HSC44714  Acmispon nevadensis J. O. Sawyer, E. Cope 1977-6-18 2915 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC71544  Acmispon nevadensis J. P. Smith, Steve Selva 1970-6-16 4043 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  JEPS74533  Aconitum columbianum W. J. Ferlatte 1966-8-3 291 Siskiyou Trinity Alps, Josephine Lake basin 1676 Comment
  JEPS80543  Aconitum columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UCD95288  Aconitum columbianum AHM 1957-7-23 57 M Siskiyou On the border of Trinity County. Deadfall creek Shasta National Forest (east base of Mt. Eddy). 2011 Comment
  HSC4993  Aconitum columbianum subsp. columbianum J. O. Sawyer 1968-7-10 521 Siskiyou S side of Sugar Creek. 1616 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
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC418809  Aconogonon phytolaccifolium K. T. Stillman 1976-7-7 164 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC78206  Aconogonon phytolaccifolium L. P. Janeway 1983-7-24 449 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC391704  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  SEINET5718353 Image available Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-1 3719 Siskiyou Ca. 0.25 mile down the trail (north of) from the lake, to a lesser extent on open slopes, Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  RSA416327  Adenocaulon bicolor M. B. Dunkle 1944-7-17 9117 Siskiyou Deer Creek. Comment
  CAS-BOT-BC123  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  UC1408771  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou due nww English Lake outlet (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1805 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  RSA183696  Agoseris aurantiaca Gilbert Muth 1965-8-12 215 Siskiyou Marble Mountains: Marble Valley Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 Comment
  HSC61853  Agoseris grandiflora Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS116612  Agoseris grandiflora Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -008 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73,Hotlum Fire area burned in Feb 2006, 4 miles NE of towm of Weed Mt. Shasta 1090 Comment
  CAS-BOT-BC15388  Agoseris grandiflora var. grandiflora Grant 1902-9-11 5160 Siskiyou Sisson Comment
  JEPS36379  Agoseris grandiflora var. grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou north (along old stage road) Sisson; The Upper Sacramento Comment
  CAS-BOT-BC15389  Agoseris grandiflora var. grandiflora L. R. Abrams 1926-7-4 11236 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC22770  Agoseris heterophylla Elmer I. Applegate 1937-5-12 11082 Siskiyou Lava Beds National Monument, near the boundary between Canby Cross and Stronghold. Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC68072  Agoseris heterophylla J. P. Smith 1973-5-5 6563 Siskiyou Scott Bar along the Scott River Comment
  UCD52127  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  SEINET7593586 Image available Agrostis exarata F. W. Oettinger 1969-1 1499 Siskiyou north side of Horse's Hole meadows, Horse Range Lake, Salmon Mountains 1859 Comment
  CAS-BOT-BC139563  Agrostis gigantea A. A. Heller 1920-8-12 13509 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1158 Comment
  SEINET7594039 Image available Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou W. Siskiyou County, Tobacco Lake, Salmon Mountains 1890 Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  CAS-BOT-BC138934  Agrostis pallens Annie M. Alexander; Louise Kellogg 1949-7-20 5818 Siskiyou Marble Mountains. Paradise Lake. 1920 Comment
  RSA239087  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 a Siskiyou near Upper English Lake? The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1265314  Agrostis pallens F. W. Oettinger and R. F. Thorne 1969-8-6 1230 Siskiyou face of steep cliff s Pine Lake; Salmon Mountains 1920 Comment
  CHSC61555  Agrostis stolonifera L. P. Janeway 1983-8-26 598 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  UCD53682  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther meadow, south slope of Mt. Shasta. 2316 Comment
  HSC103012  Ailanthus altissima J. P. Smith 2014-6-6 13869 Siskiyou Along river access road just west of State Route 96. Naturalized trees 216 Comment
  CAS-BOT-BC462987  Allium bolanderi Marion Ownbey 1950-6-20 G. N. 52 Siskiyou 2 1/2 miles west of Hilt; grown at Pullman, Washington Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  JEPS84243  Allium campanulatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6345 Siskiyou ca. 7 mi nne Seiad Valley (slope e of road, sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC466758  Allium campanulatum W. B. Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  HSC46047  Allium falcifolium Maralyn O'Meara 1974-5-25 429 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UCD141859  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  HSC4966  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-18 231 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC171245  Alnus viridis subsp. crispa John Thomas Howell 1939-8-3 14956 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC2384  Alnus viridis subsp. sinuata William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek trail 1677 Comment
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  UC207706  Alopecurus aequalis Geo. D. Butler 1910-10-13 1837 1/2 Siskiyou Oro Fino Creek Comment
  CAS-BOT-BC138105  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 460 Siskiyou Along the edges of a slough in Scott Valley. 853 Comment
  JEPS52986  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek Comment
  CAS-BOT-BC17201  Alyssum alyssoides L. E. Smith 1913-4-22 90 Siskiyou Yreka. Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC163666  Amaranthus blitoides Geo. D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  HSC29352  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC44953  Amelanchier pallida J. O. Sawyer 1978-6-15 3210 Siskiyou Marble Mtn. Wilderness Area, ridge NE of Cash Lake on Stanshaw-Sandy Ridge Trail 1793 Comment
  CAS-BOT-BC136903  Amelanchier utahensis L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  JEPS74469  Amelanchier utahensis W. J. Ferlatte 1966-6-23 149 Siskiyou Big Flat Trinity Alps (near public camp) 1524 Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC136922  Amelanchier utahensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Fox Mountain Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  RSA416596  Anaphalis margaritacea L. C. Wheeler 1934-8-14 3120 Siskiyou 1 mile W White Mt. 1921 Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC44378  Anemone deltoidea Maralyn O'Meara 1973-6-25 234 Siskiyou Music Creek 1463 Comment
  UC1046555  Anemone deltoidea R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp Rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  UCD95464  Anemone deltoidea A. H. Murphy 1961-7-19 61 G Siskiyou Marble Mountains. Klamath National Forest. Sky High Valley, north end. 1584 Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  UCR37848  Anemone multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mountain Wilderness Area 2012 Comment
  RSA625525  Anemone occidentalis Louis C. Wheeler 1963-8-25 8273 Siskiyou South slope, Preston Peak: South summit. 2134 Comment
  CAS-BOT-BC391966  Anemone occidentalis Douglas Barbe; H. K. Wagnon 1957-6-16 13135 Siskiyou North Coast Ranges. Near Summit Scott Mt 1920 Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  SEINET10695251  Angelica arguta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 180 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  HSC67543  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  UC165968  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  CAS-BOT-BC58722  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou Near McCloud Comment
  RSA93675  Antennaria geyeri F. W. Peirson 1923-7-20 3893 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  HSC92332  Antennaria media Jennifer Whipple 1978-10-6 2397 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  HSC716  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  JEPS84314  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end,(road end area & camp overlooking s end of Alex Hole- se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 Comment
  RSA238716  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 -b Siskiyou Shasta ridge between Diamond lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC75759  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy 9.0 mi west of Gazelle. 914 Comment
  HSC65081  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-6-15 3892 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC164101  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek, Eldredge's Corral Comment
  UC22900  Apocynum androsaemifolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott R. Valley Comment
  RSA183745  Apocynum androsaemifolium subsp. pumilum Gilbert Muth 1965-8-6 191 Siskiyou Marble mts, trail to backside of Black Mt. Comment
  CAS-BOT-BC394986  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  UC375263  Aquilegia formosa Geo. D. Butler 1908-8-3 358 Siskiyou Shackleford Creek Log Lake Comment
  CAS-BOT-BC395149  Aquilegia formosa G. B. Grant 1902-9-15 22500 Siskiyou Shasta Springs, N Cal Comment
  HSC37161  Aquilegia formosa var. formosa A. M. Montalvo, J. D. Ackerman 1974-7-2 347 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  POM147867  Aquilegia formosa var. truncata J. B. Feudge 1927-7-24 1651 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  RSA10343  Aquilegia formosa var. truncata H. A. Barker 1926-05 574 Siskiyou [Unspecified] Comment
  HSC22397  Arabis divaricarpa J. O. Sawyer 1969-7-24 1469 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC39215  Arabis holboellii var. retrofracta J. P. Smith 1976-5-5 8683 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC67819  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3775 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC90627  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-21 2023 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  POM94625  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA0129255  Arabis lyallii Frederick W. Oettinger 1968-8-20 595 Siskiyou Ridge between English Peak and Diamond Lake; Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 2073 Comment
  HSC90273  Arabis oregana D. L. Goforth 1980-6-27 646 Siskiyou Scott River at Middle Creek Camp 724 Comment
  HSC64940  Arabis platysperma var. howellii D. L. Goforth 1979-7-19 275 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, S of upper lake 2195 Comment
  HSC233  Arabis sparsiflora var. subvillosa William J. Ferlatte 1967-7-26 763 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CDA40892  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 2 of 2 Comment
  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
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  SEINET2471246  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-21 2007 -57 Siskiyou Summit of Black Butte 1900 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  UC54229  Arceuthobium douglasii H. M. Hall and E. B. Babcock 1903-6-15 4078 Siskiyou near Upton Sierra Nevada Mtns 1219 Comment
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  RSA78813  Arctostaphylos manzanita subsp. manzanita P. A. Munz 1952-7-2 17887 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  CAS-BOT-BC39986  Arctostaphylos nevadensis T. H. Harris 1951-6-1 s.n. Siskiyou Tanner Butte Road, Happy Camp 1828 Comment
  HSC44977  Arctostaphylos nevadensis J. O. Sawyer 1978-6-21 3280 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC740  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake Basin 1677 Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  UC796483  Arctostaphylos nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11801 Siskiyou on Scott Mt. Rd. at Mule Creek Crossing (s of Callahan) 1493 Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC46477  Arctostaphylos patula 1911-6-15 s.n. Siskiyou Jackson Lake. Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  CAS-BOT-BC46523  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-22 s.n. Siskiyou Between Horsetail and Cook & Green Pass. 1341 Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  HSC4926  Arctostaphylos patula J. O. Sawyer 1968-9-9 654 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA3389  Arctostaphylos patula C. B. Wolf 1931-9-2 1268 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud road. 1159 Comment
  UC1190132  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 944 Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
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Feb 9 2009
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  RSA264950  Arenaria congesta Gilbert Muth 1975-7-28 9902 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  UCR39797  Arenaria congesta K. T. Stillman 1976-6-25 94 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  UC1586857  Arenaria congesta Juha Pykala and D. H. Norris 1987-6-26 2064 Siskiyou above Bear Creek (0-3 km below Bear Lake); Marble Mountain Wilderness Area, Bear Lake Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC82548  Arnica discoidea Alice Eastwood 1912-7-15 1105 Siskiyou McCloud Comment
  CAS-BOT-BC82549  Arnica discoidea Alice Eastwood 1921-7-24 10719 Siskiyou Castle Lake Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC165318  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou Old trail between Taylor and Cow Creeks Comment
  HSC22145  Arnica diversifolia J. O. Sawyer 1969-8-3 1775 Siskiyou Near Little Duck Lake 2073 Comment
  UCR80880  Arnica latifolia G. Fred Hrusa 1993-8-14 11398 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  HSC610  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou NW side of Caribou Mtn.; near Browns Meadow 1829 Comment
  RSA184714  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout Trail, Marble Mountains. 1829 Comment
  RSA238805  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  JEPS95049  Arnica longifolia Vernon Oswald and Lowell Ahart 1997-7-28 8790 Siskiyou se of Medicine Lake (at Paynes Springs, on the walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  UCD129198  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Klamath N.F. 1981 Comment
  JEPS32671  Arnica viscosa Paul C. Hutchison 1962-8-2 938 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  RSA417444  Artemisia M. B. Dunkle 1945-1 9316 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  JEPS93949  Artemisia cana subsp. bolanderi Vernon H. Oswald and Lowell Ahart 1998-9-16 9628 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC90479  Artemisia douglasiana John Thomas Howell 1939-8-8 15147 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90473  Artemisia douglasiana David Keck 1938-8-19 11509 Siskiyou Howard, along overflow stream from Mount Shasta City water resevoir 1219 Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  CAS-BOT-BC90478  Artemisia douglasiana D. D. K. 1938-8-19 11509 Siskiyou along the margin of, and in the vicinity of, one of the overflow creeks from the Mount Shasta reservoir above Howard 1219 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  CAS-BOT-BC447708  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-8 15137 Siskiyou Between Sky High Valley and Marble Valley, Marble Mts. Comment
  UC1755274  Asarum hartwegii D. W. Taylor 2004-6-10 19095 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  SD53385  Asclepias speciosa Darley F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mountain 1735 Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  UC566932  Asclepias speciosa Dorothy Tebbe 1929-7-3 8 Siskiyou Stewart's Springs Mount Eddy Comment
  CAS-BOT-BC69552  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  RSA211214  Aster ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine. Trinity Alps 1982 Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  POM204045  Astragalus californicus Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones road. Comment
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC82283  Astragalus purshii var. lectulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 4803 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  UC1090388  Astragalus purshii var. tinctus Milo S. Baker 1957-6-16 13168 Siskiyou trip to Scott Mt. after turn off near Callahan; near Callahan Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  SEINET10490026  Astragalus purshii var. tinctus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17940 Siskiyou 9 mi nof weed on us hwy 97, at whitney creek. Sw facing slope; volcanic pumice Some sedimentary loamy soil; assoc with pinus ponderosa, artemisia, bromus, and Arctostaphylos. 1250 Comment
  CHSC111072  Astragalus whitneyi Barbara L. Wilson 2011-7-31 16701 Siskiyou Shasta-Trinity National Forest; north of the Pacific Crest Trail on road 42N17, at a 90 degree bend, in the Park Creek drainage. UTM 10 538978 east, 4578744 north, +/- 36 feet. 2023 Comment
  HSC75390  Astragalus whitneyi var. siskiyouensis J. O. Sawyer, M. Mesler 1980-8-10 4034 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  SEINET3165921  Astragalus whitneyi var. siskiyouensis R. W. Spellenberg 2006-6-19 13741 Siskiyou along USFS access road 4.3 km E of Claif. Hwy. 139, the jct of road and highway 31 km SE of Modoc Co. line (Just S of Adin) Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC69571  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. More common near Horse Camp. 2590 Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  CAS-BOT-BC69575  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  HSC73331  Athyrium distentifolium var. americanum Gail Newton 1980-6-20 494 Siskiyou Near Bald Mtn. 1097 Comment
  UC42680  Athyrium distentifolium var. americanum W. H. Brewer 1862-9-13 1372 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC68715  Athyrium filix-femina var. californicum Gordon H. True; John Thomas Howell 1972-6-8 48861 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  HSC22158  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  UC399373  Athyrium filix-femina var. cyclosorum J. G. Lemmon and wife Siskiyou near Mt Shasta Comment
  UC42238  Athyrium filix-femina var. cyclosorum Marshall A. Howe 1894-7-25 Siskiyou Sisson Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  RSA422252  Atriplex L. C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UC1476873  Atriplex heterosperma R. G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge Mt. Dome Quad., Lower Klamath National Wildlife Refuge (Unit 3, road shoulder) Comment
  UC163672  Atriplex rosea Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  CHSC72233  Atriplex triangularis Vernon H. Oswald 1998-9-16 9650 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  RSA59494  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1585 Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  HSC27973  Berberis nervosa Carl W. Mize 1972-9-23 110 Siskiyou Along Steinacher Creek Rd. 762 Comment
  HSC5003  Berberis nervosa J. O. Sawyer 1968-6-25 333 Siskiyou 1646 Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  JEPS16041  Berula erecta Willis L. Jepson July 1894 14212 Siskiyou Sisson Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  POM29857  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou Shasta River Comment
  RSA698466  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  CAS-BOT-BC16050  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-14 2930 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC14136  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-6 5322 Siskiyou Marble Mountains. 0.5 mile southeast of King's Castle. 1828 Comment
  SEINET3166091  Boechera retrofracta P. J. Alexander 2008-7-24 872 -A Siskiyou On the Pacific Crest Trail on the N side of Lilypad Lake, +-0.45 miles S of Red Butte, +-5.75 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1783 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  JEPS375  Botrychium pinnatum Leonard Joss 1921-1 Siskiyou W of Etna Mills Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  SEINET6031128  Boykinia major W. Roderick 1967-7-23 s.n. Siskiyou Cook and Green Pass, Horsetail Falls 1219 Comment
  CAS-BOT-BC172821  Brickellia grandiflora J. K. Nelson; J. R. Nelson; Soren Nelson 2004-8-29 2004 -096 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  RSA238756  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou Base of cliff due ENE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC127715  Brickellia greenei P. C. Everett; E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mt., 7.2 mi. n.e. from Hwy 96. 822 Comment
  UC894192  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  HSC42913  Brodiaea elegans subsp. elegans J. O. Sawyer, K. T. Stillman 1976-7-2 2825 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC36749  Brodiaea elegans subsp. elegans Brent Whiteley 1975-6-23 40 Siskiyou 223 Comment
  CAS-BOT-BC144104  Bromus Gilbert Muth 1966-7-22 434 Siskiyou Marble Mountains. Meadow below Marble Rim. 2011 Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  UC1037163  Bromus carinatus var. carinatus Leo Whitney 1935-7-15 3474 Siskiyou 2 mi se of Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  JEPS69187  Bromus hordeaceus Geo. D. Butler 1909-6-5 825 Siskiyou meadow near Yreka Comment
  HSC9187  Bromus inermis D. M. Thomson 1965-7-18 154 Siskiyou Lava Beds N.M., N Boundry Rd., near Canbys Bay. Comment
  CHSC4376  Bromus madritensis subsp. rubens M. M. Gregg 1966-5-14 180 Siskiyou W of Callahan on Etna Rd. approx. 1-1 1/2 mi. Along side of rd. Comment
  HSC22858  Bromus orcuttianus J. O. Sawyer 1969-6-12 909 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UC1265365  Bromus orcuttianus F. W. Oettinger 1969-8-16 1392 Siskiyou near English Lake (Salmon Mountains, w Siskiyou County); Salmon Mountains 1706 Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC161707  Bromus rubens 1951-5-23 90 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  HSC65420  Bromus tectorum J. P. Smith 1973-5-5 6548 Siskiyou Scott Bar along the Scott River Comment
  UC70706  Bromus tectorum Jos. Burtt Davy 1902-6-15 Siskiyou Sisson Comment
  CAS-BOT-BC273224  Cacaliopsis nardosmia Geo. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountain Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  UC1265354  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 771 Siskiyou n.w. slope on ridge above Tobacco lake (Salmon Mts.); W. Siskiyou Co., Salmon Mts. 2011 Comment
  SEINET10900602  Calamagrostis koelerioides A. Arthur Heller 1915-8-26 Heller 12243 Siskiyou Open gravelly places, north side of Mt. Eddy. Douglas fir and white fir are the principal trees, Ceanothus, Quercus vaccinifolia and manzanita common shrubs. Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  JEPS80595  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow Marble Mt. Wilderness, Marble Valley Meadow 1792 Comment
  RSA12603  Calocedrus decurrens C. B. Wolf 1934-7-6 5983 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  CAS-BOT-BC488625  Calochortus elegans F. D. Douthitt 1923-7-12 15 Siskiyou Dry Lake Mountain; Klamath Forest 2133 Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  SBBG22938  Calochortus nudus H. and M. Dearing 1939-6-30 3754 Siskiyou near Callahan, Trinity Alps Rd Comment
  HSC75123  Calochortus nudus J. P. Smith, Thomas W. Nelson 1979-6-16 10143 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  HSC49930  Calochortus persistens G. L. Clifton, Ground 1978-6-18 1270 Siskiyou Near Humbug close to the town of Yreka 1353 Comment
  RSA275398  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the ONeill Campground near Seiad Valley. 488 Comment
  RSA0120933  Caltha biflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63385 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC181514  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  HSC64343  Caltha leptosepala J. P. Smith, Steve Selva 1970-7-17 4456 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC595108  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 mi ne of Callahan, on road to GAzelle 1100 Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  UC223708  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River Comment
  CAS-BOT-BC272753  Calycadenia truncata subsp. truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  HSC45036  Calyptridium monospermum J. O. Sawyer 1978-6-16 3216 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  JEPS52540  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Niel's Camp Niel's Camp; Mount Shasta, Niel's Camp Comment
  JEPS52542  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Mount Shasta, Horse Camp Comment
  UCD77435  Calyptridium umbellatum Robert E. Preston 2001-6-23 1561 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC6617  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou ca. 2 mi. E of Montague 823 Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST Comment
  SEINET10463162  Campanula prenanthoides Samuel B. Parish 1902-9-13 Parish s.n. Siskiyou Dunsmuir 610 Comment
  SEINET10463337  Campanula prenanthoides Alice Eastwood 1912-8-30 Eastwood s.n. Siskiyou Mount Eddy Comment
  UC29013  Campanula prenanthoides J. Burtt Davy 1899-6-27 5889 Siskiyou Weitchpek North Coast Ranges, Klamath River (on banks of river) Comment
  JEPS80538  Campanula rotundifolia Gilbert Muth 1965-8-18 235 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1950 Comment
  UCD66985  Campanula rotundifolia Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2255 Comment
  POM148010  Campanula rotundifolia J. B. Feudge 1927-7-22 1776 Siskiyou Trail to Mt. Shasta City to Mt. Eddy. Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy 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
  SEINET10463523  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou NR. SUTCLIFFE CR., PRESTON PEAK QUAD. NR. HAPPY CAMP STREAMSIDE, EVERGREEN FOREST 1341 Comment
  SEINET10463786  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou Near Sisson Comment
  SEINET191618  Campanula scouleri Marion Ownbey, Fred G Meyer 1940-7-8 2226 Siskiyou 18 mi N of Happy Camp near summit of Siskiyou Mountains. Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  CAS-BOT-BC266462  Campanula wilkinsiana W. B. C. 1938-9-17 11698 Siskiyou Mount Shasta. Horse Camp Springs, around the springs above Horse Camp on the Summit trail. Also in Squaw Creek Meadows Comment
  HSC687  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10463870  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou E slope of Mt. Shasta on Ash Creek. Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  HSC78220  Capsella bursa-pastoris L. P. Janeway 1983-8-28 648 Siskiyou Poker Flat 1529 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  UC165307  Cardaria draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka Comment
  CAS-BOT-BC18395  Carex H. A. Thomas; J. H. Thomas 1954-7-24 4515 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC18393  Carex Elmer I. Applegate 1895-5-28 782 Siskiyou Strawberry Valley. Sisson. Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UC144184  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC76857  Carex amplifolia L. P. Janeway 1982-8-2 101 Siskiyou Near headwaters of Coon Run, 3 mi. up FS 18N30 from S fork Indian Creek, 100 m below road 854 Comment
  CHSC107108  Carex angustata R. E. Brainerd 2009-7-22 1549 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  RSA120304  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 Comment
  UCD143811  Carex athrostachya Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16259 Siskiyou on road 26 near Gumboot Lake. 1828 Comment
  CAS-BOT-BC19072  Carex aurea John Thomas Howell 1937-7-22 13257 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC43991  Carex brainerdii L. P. Janeway 1983-7-3 371 Siskiyou Rocky ridgetop nw of Poker Flat. 1584 Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC73318  Carex concinnoides Gail Newton 1980-6-20 497 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  POM80802  Carex densa Geo D. Butler 1909-6-10 809 Siskiyou Yreka Creek. Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC82373  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4526 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC39312  Carex feta J. O. Sawyer 1969-7-9 1215 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  POM81965  Carex feta Geo D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  UC1576728  Carex halliana Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9269 Siskiyou on floor of Alcohol Crater Medicine Lake area 2072 Comment
  JEPS109561  Carex hassei Dean W. Taylor 2002-7-21 18270 Siskiyou Scott Mountains, The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CHSC86243  Carex inops subsp. inops Martin J. Lenz 2003-6-9 18 Siskiyou 0.3 mi. up 100R1 logging road from Tom Young Rd. approx. 1 mi. WNW of Pondosa. UTM: Zone 10 608838N 4562152N. 1255 Comment
  CAS-BOT-BC7576  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake, marble Mountains. 1828 Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  UC562249  Carex lenticularis var. impressa Joseph P. Tracy 1935-8-1 14415 Siskiyou head of west branch of Knownothing Creek Rock Lake 1889 Comment
  HSC69564  Carex leptopoda Maralyn A. Renner 1980-8-6 2273 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC29680  Carex luzulina Frederick W. Oettinger 1969-8-22 1504 Siskiyou Marble Mtn. Wilderness Area, S end of Horse's Hole, near Horse Range Lake 1829 Comment
  HSC76392  Carex luzulina L. P. Janeway 1982-7-2 34 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC84711  Carex luzulina var. ablata L. P. Janeway 2003-8-9 7956 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. 1664 Comment
  HSC85838  Carex mertensii L. P. Janeway 1983-8-7 526 Siskiyou Along S fork Indian Creek Rd. (FS 17N32), 16 mi. from Indian Creek Rd. 1189 Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  CAS-BOT-BC31836  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  HSC48043  Carex microptera D. H. Norris 1972-6-12 22918 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  SEINET7568504 Image available Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges. Salmon Mountains, slope of south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  HSC69230  Carex multicostata Maralyn A. Renner 1980-9-1 2717 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CAS-BOT-BC119677  Carex nervina William Bridge Cooke 1938-7-15 11255 Siskiyou Spring meadow, Mt. Shasta 1737 Comment
  CAS-BOT-BC119478  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 1005 Comment
  CHSC69840  Carex nudata Lawrence Janeway 1982-8-14 131 Siskiyou Along n shore of Klamath R. 426 Comment
  CAS-BOT-BC119463  Carex nudata William Bridge Cooke 1940-7-12 15318 Siskiyou Box Canyon of the Sacramento near Mt. Shasta City. 914 Comment
  CAS-BOT-BC119206  Carex pachystachya W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS63701  Carex pellita W. L. Jepson 1914-8-13 5792 Siskiyou Sisson 1097 Comment
  RSA120496  Carex pellita S. S. Tillett 1956-7-11 690 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC118778  Carex preslii John Thomas Howell 1939-8-7 15116 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC642575  Carex preslii J. W. Stacey 1939-7-13 13636 Siskiyou Horse Creek Camp Mount Shasta Comment
  HSC30670  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge below English Peak 1890 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  HSC29651  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1227 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  HSC48104  Carex rossii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19529 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC91195  Carex scabriuscula Jennifer Whipple 1977-7-20 1997 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC62596  Carex scopulorum var. bracteosa L. P. Janeway 1993-8-30 4562 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  HSC62585  Carex scopulorum var. bracteosa Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  RSA364763  Carex serratodens L. C. Wheeler 1934-6-7 2657 Siskiyou North Hungry Creek. 1220 Comment
  JEPS84069  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  HSC30658  Carex spectabilis Frederick W. Oettinger 1968-9-8 731 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Lake 2012 Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA238958  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA105479  Carex stipata G. D. Barbe 1955-6-29 29 Siskiyou 1 mile east of Callahan 976 Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  RSA21827  Carex straminiformis J. T. Howell 1939-8-8 15149 A Siskiyou Marble Mountains: Black Mountain Comment
  JEPS63767  Carex subbracteata Mrs. M. H. Goldsmith 1916-8-6 13 Siskiyou Sisson Comment
  CAS-BOT-BC115860  Carex subfusca 1902-9-7 5116 Siskiyou Horse Camp. Mt. Shasta 2438 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  HSC36253  Carex subfusca J. O. Sawyer 1969-7-24 1196 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  POM211462  Carex subfusca L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  UCD77467  Carex whitneyi Robert E. Preston 1996-7-22 971 Siskiyou between Blanche Lake and Bullseye Lake 2072 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  RSA195318  Cassiope mertensiana subsp. ciliolata Gilbert Muth 1967-8-19 725 Siskiyou Red Mountain, Marble Mountains. Comment
  JEPS5215  Castilleja angustifolia Geo. D. Butler 1904-5-23 759 Siskiyou near Yreka Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC604  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  POM44685  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  RSA296405  Castilleja applegatei subsp. pinetorum Lincoln Constance, R. C. Bacigalupi, Joseph P. Tracy 1951-6-16 3452 Siskiyou Along trail ascending Little Grayback from the summit of the Takilma-Happy Camp road. Siskiyou-Del Norte Co. boundary. 1707 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243745  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UCR131624  Castilleja lacera L. C. Wheeler 1935-6-27 3611 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  SEINET10931171  Castilleja martini Patricia L. Kenney 1973-6-4 Kenney 390 Siskiyou Collected near abrams lake mobile estates along old stage road. Yellow pine. Comment
  HSC42230  Castilleja miniata J. D. Mastrogiuseppe 1974-9-2 167 Siskiyou W slope of ridge of Red Rock Mtn. 2165 Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 Comment
  CAS-BOT-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  SEINET3159239  Castilleja oreopola G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  UC144528  Castilleja pilosa A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  UC163706  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain 1219 Comment
  UCR37821  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC76645  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UCD123031  Castilleja schizotricha J. M. Tucker; L. K. Mann 1963-8-18 3766 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC48648  Ceanothus cordulatus W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  UC79966  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Siskiyou Sisson Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  RSA712073  Ceanothus cuneatus C. L. schmidt 1990-6-22 1265 Siskiyou 4 miles E of Dana on A19 to Spring Creek Road. then 5.2 miles up Spring Creek road then 1.5 miles on jeep road near Timbered Crater, on old lava flow. 1006 Comment
  SEINET3110808  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou Along Road 8 to Sugar Lake trail. Comment
  UC375369  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-29 770 Siskiyou near Yreka Comment
  CAS-BOT-BC50246  Ceanothus integerrimus Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  HSC42900  Ceanothus integerrimus J. O. Sawyer, Ken Stillman 1976-5-29 2733 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC99931  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-7-31 13350 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  UCD170339  Ceanothus integerrimus D. O. Burge 2016-11-11 2198 Siskiyou Weed area, roadside on Interstate 5. 955 Comment
  CHSC8580  Ceanothus integerrimus var. californicus G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles N.E. of Callahan. 822 Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC52116  Ceanothus prostratus Mrs. Van Fassen 1926-3-27 s.n. Siskiyou Dunsmuir Comment
  UCD123997  Ceanothus prostratus D. O. Burge 2009-5-13 1165 c Siskiyou Scott Mountains, The Eddys, Parks Creek watershed, west of Tamarack Flat, and south-east of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) south-west of Old Hwy 99 via Stewart Springs Road and FR 17, 17.2 km 188 deg. (True) SSW of Gazelle. 1950 Comment
  SBBG16537  Ceanothus prostratus var. prostratus D. Myrick 1961-6-20 268 Siskiyou near Mt Shasta City 1066 Comment
  UC1076021  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou on Scott Mountain road five mi s Callahan; s of Callahan Comment
  RSA85995  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC63158  Ceanothus velutinus W. B. C. 1938-6-24 11104 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC63159  Ceanothus velutinus W. B. C. 1938-6-17 11022 Siskiyou Sisson Southern Trail. 1371 Comment
  HSC18354  Ceanothus velutinus R. C. Wunner 1965-6-7 106 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  POM87497  Ceanothus velutinus Edward Palmer 1892-7-13 2443 Siskiyou Mount Shasta and vicinity Comment
  UC1409314  Ceanothus velutinus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1228 Siskiyou on se side Pine Lake (at edge of a talus boulder side area (high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  SEINET204767  Ceanothus velutinus J. M. Tucker, LK Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar ca. 4.7 road miles SW of Etna Comment
  CDA7017  Centaurea calcitrapa T. C. Fuller 1960-8-23 4964 Siskiyou ca. 1 mile northeast of Gazelle. 0 Comment
  UCD130021  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou west side of Highway 97 to Weed, 3 miles south of Macdoel. Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384982  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53571 Siskiyou Yreka 822 Comment
  HSC68020  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4037 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 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
  UCD112962  Cercocarpus betuloides Collector Unknown Date Unknown s.n. Siskiyou Siskiyou County. Exact location unknown. Comment
  CAS-BOT-BC148518  Cercocarpus ledifolius var. ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley 1219 Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  JEPS44093  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35177 Siskiyou Bolem Road Mt. Shasta 1524 Comment
  CAS-BOT-BC106032  Chaenactis suffrutescens Lester Rowntree 1937-8-5 s.n. Siskiyou Etna Mills & Fort Jones Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  UCD126574  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  UC229860  Chamaesyce serpyllifolia H. E. Brown Jul 15 1897-Jul 31 1897 541 Siskiyou s side Mount Shasta 1524 Comment
  JEPS43908  Chamerion angustifolium subsp. circumvagum Geo. D. Butler 1908-8-2 158 Siskiyou Bottom's Camp Shackelford Creek 1219 Comment
  RSA211176  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin 1677 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  POM120359  Cheilanthes gracillima Geo D. Butler 1910-7-12 1754 Siskiyou Shackeford Lake 1372 Comment
  SEINET5764003 Image available Chenopodium berlandieri A. A. Heller 1915-1 12212 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  SEINET5765050 Image available Chenopodium pumilio A. A. Heller 1915-1 12210 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  HSC19316  Chimaphila menziesii J. O. Sawyer 1968-9-28 740 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC452263  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS25844  Chimaphila umbellata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7469 Siskiyou ca. 2 mi. n.e. Twin Valley, Siskiyou Mt. (along jeep-road to Twin Valley from Poker Flat, ca. 13 mi. n.w. of Happy Camp) 1584 Comment
  JEPS93914  Chimaphila umbellata Vernon H. Oswald and Lowell Ahart 1998-8-3 9433 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  UC933355  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1948-9-8 5598 Siskiyou e. side top of grade between Sawyers Bar and Etna; Siskiyou Mts. 1737 Comment
  CAS-BOT-BC39662  Chorispora tenella T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, south of junction of Annie and State Streets, Yreka. Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC36249  Chrysolepis sempervirens R. Tallent 1987-8-12 904 Siskiyou Klamath National Forest, Long Gulch Lake 1121 Comment
  POM308827  Chrysolepis sempervirens Roxana S. Ferris, Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lava Beds National Monument; Shasta National Forest. Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  UC1409349  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou ne face English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC1733724  Chrysolepis sempervirens Kay H. Beach, Frank Gould 1940-5-15 634 Siskiyou Meadows and Goosenest Mtn 1828 Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS93965  Cirsium arvense Vernon H. Oswald and Lowell Ahart 1998-9-16 9633 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  CAS-BOT-BC278033  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  CAS-BOT-BC278053  Cirsium cymosum John Thomas Howell 1937-7-29 13649 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CHSC63496  Cirsium douglasii var. breweri Vernon H. Oswald; Lowell Ahart 1994-8-1 6414 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
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  OBI54105  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23553 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn Rd (hwy 3) Comment
  HSC26756  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC165437  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou near Oro Fino Comment
  CAS-BOT-BC228972  Cistanthe umbellata A. A. Heller 1922-7-15 13695 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  SBBG30604  Clarkia purpurea subsp. quadrivulnera D. Myrick 1968-6-22 1994 Siskiyou Lava Beds Nat Monument 1371 Comment
  RSA52146  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  POM259226  Clarkia rhomboidea W. Bridge Cooke 1940-7-12 15339 Siskiyou Mount Shasta: Near MacBride Springs along the Memorial Highway. 1524 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  SEINET10689277  Clarkia rhomboidea Edward L. Greene 1876-6-20 Greene 874 Siskiyou Collected near Yreka, California. Comment
  CAS-BOT-BC439101  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC163720  Claytonia exigua subsp. exigua Geo. D. Butler 1909-3-28 678 Siskiyou near Yreka Comment
  RSA466946A  Claytonia exigua subsp. exigua Christopher Davidson 1975-6-5 2670 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  CAS-BOT-BC439624  Claytonia parviflora subsp. parviflora Alice Eastwood 1923-5-18 11846 Siskiyou Shasta Springs Comment
  CAS-BOT-BC443815  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  HSC22227  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 992 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC4464  Claytonia sibirica William J. Ferlatte 1967-7-9 692 Siskiyou Kidd Creek Trail 1677 Comment
  CAS-BOT-BC92756  Clematis ligusticifolia Dorothy Parker 1947-8-3 207 Siskiyou Along the banks of the East Fork of Scott River. Plowman's Valley. 1066 Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC577  Clintonia uniflora William J. Ferlatte 1966-6-22 85 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  HSC99302  Collinsia parviflora G. L. Clifton 1979-7-1 6166 Siskiyou Near Poker Flat, close to the town of Happy Camp 1536 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  UC164318  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou Between Yreka and Montague Yreka; Shasta Valley Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 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
  CHSC71490  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-7-21 9317 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC163993  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  HSC16937  Collomia linearis R. C. Wunner 1965-6-6 78 Siskiyou Lava Beds N. M., 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS69762  Collomia tinctoria W. B. and V. G. Cooke 1972-6-30 45413 Siskiyou Military Pass road above Andesite crossing (in brush field beyond edge of road); Mt. Shasta Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  CAS-BOT-BC180423  Comandra umbellata subsp. californica Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  SEINET10694144  Conium maculatum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  POM107529  Corallorhiza maculata Geo D. Butler 1910-6-5 1479 Siskiyou Shackleford Creek Comment
  HSC19040  Corallorhiza mertensiana J. O. Sawyer 1969-7-18 1387 Siskiyou Near South Russian Creek 1890 Comment
  JEPS84238  Corallorhiza mertensiana L. R. Heckard with J. Hickman et al. 1986-7-17 6471 Siskiyou ca. 5 mi. n. town of Seiad Valley (trail up Kangaroo Peak, s. of Lily Pad Lake); Kangaroo Peak 1900 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  CAS-BOT-BC26796  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  RSA537706  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  CHSC105584  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou, on north side of road; Lat. and Long. indicated +/- 52 feet. 1198 Comment
  UCD123167  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road. 1039 Comment
  UCD135929  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. 4 Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  CAS-BOT-BC212270  Cornus glabrata Geo. D. Butler 1909-7-7 974 Siskiyou Along creek near Yreka Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212054  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  UC1190154  Cornus nuttallii Ira L. Wiggins 1955-7-29 13589 Siskiyou along Thompson Creek 3.5 mi. above S. Fork Salmon R.; Thompson Creek 1371 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210404  Cornus sericea Doris K. Kildale 1928-8-20 6335 Siskiyou Head of North Fork Salmon River at Finley's Upper Camp Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC637074  Corylus californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback 1851 Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC291529  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  UC1041113  Crepis intermedia J. W. Congdon 1900-8-16 Siskiyou Castle Lake Trail Comment
  UC163904  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Road; near summit Comment
  UC581197  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1903 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC290837  Crepis occidentalis subsp. pumila Alice Eastwood; John Thomas Howell 1936-6-13 2753 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC290862  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  CAS-BOT-BC376573  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou Pass just s. of Mt. Eddy 2438 Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  HSC66397  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  HSC92417  Crepis pleurocarpa Jennifer Whipple 1976-7-24 1553 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  JEPS93823  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9197 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  POM368920  Cryptantha Christopher Davidson 1975-6-5 2664 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC29341  Cryptantha affinis Frederick W. Oettinger 1969-7-10 960 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW of Upper English Lake 1921 Comment
  POM213851  Cryptantha intermedia Isabelle C. Kimber 1934-6-9 27 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
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Feb 3 2011
  RSA245263  Cryptantha milobakeri Carl W. Mize 1972-6-8 19 Siskiyou Forks of Salmon quad. 335 Comment
  HSC1020  Cryptogramma acrostichoides Dorothy Parker 1949-7-10 347 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  RSA238017  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Shasta Ridge, an open granitic rock ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC34491  Cryptogramma acrostichoides J. D. Ackerman 1974-8-18 431 Siskiyou Ridge above mine near Cyclone Gap and Copper Mtn. in the Preston Peak area 1524 Comment
  CAS-BOT-BC70533  Cryptogramma cascadensis Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC618844  Cryptogramma cascadensis W. Bridge Cooke 1938-8-18 11502 Siskiyou above Horse Camp (Lower Horse Camp Slopes); Mt Shasta 2514 Comment
  CAS-BOT-BC70531  Cryptogramma cascadensis Geo. B. Grant 1902-9-1 5098 Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80553  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest Grove - [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80555  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou Northwest slope of [Goose Nest] Goosenest, East of Yreka 1828 Comment
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  CAS-BOT-BC80551  Cupressus bakeri Oliver V. Matthews July 22 40 Siskiyou From north side of Lava Road to Timbered Crater 1219 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  RSA792359  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tule Lake. Growing in potato field. Comment
  JEPS77490  Cymopterus terebinthinus var. californicus Susan Horner 1978-7-5 MP- 4 Siskiyou between Military Pass Rd. and Bolam Rd. within 3 to 4 mi. of Hwy. 97 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  POM72146  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug Road. Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  RSA577571  Cyperus squarrosus L. C. Wheeler 1935-7-20 3672 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  CAS-BOT-BC189811  Dactylis glomerata Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  POM365004  Danthonia californica var. americana M. B. Dunkle 1945-7-24 9263 Siskiyou Klamath National Forest, Marble Mountains; Dad's Pocket Comment
  RSA120219  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA239122  Danthonia californica var. americana Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1153 Siskiyou Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC194395  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC30517  Danthonia intermedia subsp. intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Salmon Mountains: Tobacco Lake, upper meadow. 1890 Comment
  HSC103046  Danthonia unispicata J. P. Smith 2014-6-7 13904 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC19071  Danthonia unispicata J. O. Sawyer 1969-7-25 1530 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  CHSC30181  Darlingtonia californica M. S. Taylor 1980-7-8 3102 Siskiyou On nw side of Castle Lake, along edge of lake, in ... Field redacted by CHSC, contact the data manager for more information 1615 Comment
  CHSC30185  Darlingtonia californica M. S. Taylor 1980-7-22 3174 Siskiyou Just e of Big Carmen Lake, take right turn on logg ... Field redacted by CHSC, contact the data manager for more information 1828 Comment
  UCD119061  Darlingtonia californica B. Crampton 1956-8-21 3805 Siskiyou Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD119065  Darlingtonia californica A. H. Murphy 1956-8-16 56 T Siskiyou Klamath N.F. 1981 Comment
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  RSA698849  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  RSA605527  Datisca glomerata L. C. Wheeler 1959-7-26 7608 Siskiyou Marble Mountains: Somes Bar. Comment
  CAS-BOT-BC9047  Delphinium decorum subsp. tracyi Alice Eastwood 1912-8-30 2001 Siskiyou Mount Eddy Comment
  HSC61772  Delphinium glaucum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  UC166146  Delphinium nuttallianum Geo. D. Butler 1909-4-14 642 Siskiyou Humbug road Comment
  CAS-BOT-BC116166  Delphinium nuttallianum A. A. Heller 1922-7-15 13700 Siskiyou Medicine Lake 2133 Comment
  SD143485  Delphinium nuttallianum H. Dearing, M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt. Shasta 1829 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  JEPS121611  Deschampsia cespitosa subsp. cespitosa Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  CAS-BOT-BC201634  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Cr. 1097 Comment
  RSA582089  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC46748  Deschampsia elongata William J. Ferlatte 1974-7-26 1602 Siskiyou Big Flat and vicinity; woods N side of Mountain Meadows Ranch. 1524 Comment
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Jun 7 2012
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  SD98874  Dianthus armeria Darley F. Howe 1977-7-2 4981 Siskiyou Scott River, resort area. 609 Comment
  CAS-BOT-BC402219  Dicentra chrysantha Volney Rattan 1884-1-1 s.n. Siskiyou Road to Stony Creek down Black Butte Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  UCR143359  Dicentra formosa L. C. Wheeler 1934-8-2 3013 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  HSC60153  Dicentra formosa D. L. Goforth 1979-7-7 236 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  CAS-BOT-BC402483  Dicentra formosa subsp. formosa A. M. Vollmer; L. Beane 1951-6-2 67 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA755953  Dichelostemma ida-maia Robert F. Thorne 1969-8-2 63350 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC502677  Dichelostemma multiflorum V. Rattan 1879-6-1 s. n. Siskiyou Klamath Comment
  SD73134  Dieteria canescens Darley F. Howe 1969-8-30 Siskiyou 1.3 miles south of Weed on Highway 5. 1130 Comment
  CAS-BOT-BC291010  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  CAS-BOT-BC291011  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC179691  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou in a field at Weed 1524 Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  CHSC57238  Diplacus jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1298 Comment
  CDA6685  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  HSC68034  Dipsacus fullonum J. P. Smith, Steve Selva 1970-7-17 4433 Siskiyou Tyler Gulch Comment
  POM109258  Disporum hookeri var. hookeri Geo D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  CAS-BOT-BC208638  Distichlis spicata David D. Keck 1949-7-19 6347 Siskiyou 2 mi. S of Grenada, along RR right-of-way. 777 Comment
  CDA31685  Distichlis spicata J. R. Grisham 1963-6-23 Siskiyou Tulelake Wildlife Refuge, Tulelake. 0 Comment
  HSC32012  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-2 349 Siskiyou Near Morgan Meadows on E slope of Mt. Eddy, W of Mt. Shasta City Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM259603  Dodecatheon jeffreyi J. T. Howell 1939-8-3 14950 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC4469  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake Basin, base of cliff 1677 Comment
  UC1188734  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou about 300 ft off Highway 99 (just n of the bridge over the Sacramento River, at the n end of Lake Shasta (Antler Resort area)); Lake Shasta, Antler Resort Area 396 Comment
  SD62278  Downingia yina John H. Weiler, A. P. Nelson 1960-6-25 60207 Siskiyou At the side of highway 99, 2.3 miles northwest of Weed. Comment
  HSC90895  Draba carnosula Jennifer Whipple 1976-6-30 1181 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  UC166133  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41316  Draba pterosperma Jack Major; M. Fleschner; R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountains. Northeast face of Marble Mountain. 2133 Comment
  SBBG27384  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Crk; Siskiyou Mtns 1005 Comment
  UC166609  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou near Yreka; near Yreka Comment
  HSC86540  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1982 Comment
  HSC29648  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-22 598 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Diamond Lake 2165 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76741  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area. Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC65120  Dysphania botrys J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5725 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  HSC9662  Echinochloa crus-galli C. B. Wolf 1927-8-26 994 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  HSC45949  Eleocharis parishii J. P. Smith, Steve Selva 1970-6-15 3917 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  CAS-BOT-BC213784  Elymus X hansenii Doris K. Kildale 1928-8-20 6594 Siskiyou Lily Pad Lake on trail to Marble Mt. near Hancock Lookout 1981 Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  RSA14099  Elymus elymoides Elmer I. Applegate 1923-8-18 3562 Siskiyou Redshale Mountain, Medicine Lake region 2439 Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  UC1024792  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-29 2231 Siskiyou Tennant 1524 Comment
  HSC22445  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-7 1076 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  RSA239023  Elymus glaucus Frederick W. Oettinger 1968-9-2 666 Siskiyou Southwest of Upper English Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC45893  Elymus glaucus Laura Witherspoon 1978-8-10 74 Siskiyou Klamath National Forest. In cut block on Ball Mtn. Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CHSC83260  Elymus glaucus subsp. glaucus L. P. Janeway 2002-7-13 7645 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  UC1130623  Elymus trachycaulus H. S. Yates 1936-6-21 5819 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  CAS-BOT-BC204304  Elymus trachycaulus subsp. trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou Near Yreka Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  HSC77233  Epilobium brachycarpum L. P. Janeway 1983-8-13 536 Siskiyou Along Rd. 17N32 (the S Fork Indian Creek Rd.) 12 mi. from Indian Creek Rd. 976 Comment
  POM171580  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-25 5862 Siskiyou Klamath River between Gottville and Browns Resort 579 Comment
  POM32376  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  UC61657  Epilobium ciliatum subsp. glandulosum Geo. B. Grant Sept, 1902 5164 Siskiyou Sisson Mount Shasta 914 Comment
  HSC61177  Epilobium glaberrimum Al Hobart 1967-7-19 Siskiyou El Capitan Comment
  HSC19490  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-7-24 1514 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  UC1713137  Epilobium hallianum Harley P. Chandler June 1901 1702 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  HSC49639  Epilobium hornemannii subsp. hornemannii J. P. Smith, Steve Selva 1970-6-16 4068 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  POM251084  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-29 11415 Siskiyou Wagon Camp Creek, Mt. Shasta. 1738 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
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  UC1122538  Epilobium minutum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Modoc Lava Beds Natl. Monument, Dorris Quadrangle Comment
  RSA0004447  Epilobium obcordatum subsp. siskiyouense Louis C. Wheeler 1934-8-14 3135 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  CAS-BOT-BC58009  Equisetum A. A. Heller 1920-8-11 13508 Siskiyou Metcalf's Ranch, ne. base of Mt. Eddy. 1158 Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  SEINET3864901 Image available Equisetum arvense Edward L. Smith 1967-5-22 s.n. Siskiyou By railroad tracks. City of Mt. Shasta.; 0 1085 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  CDA2080  Eragrostis curvula William J. Ferlatte 1989-11-8 Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 miles north of Grenada. 0 Comment
  HSC618  Eremogone congesta William J. Ferlatte 1966-7-7 199 Siskiyou Caribou Basin 1982 Comment
  RSA0045086  Eremogone congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC286695  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud, 1/2 mile above junction with Pacific Highway 1097 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  CAS-BOT-BC286701  Ericameria bloomeri Alice Eastwood 1921-7-29 10971 Siskiyou Medicine Lake Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  RSA78946  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18173 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  POM211819  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  HSC5338  Ericameria nauseosa R. C. Wunner 1965-8-17 446 Siskiyou California Lava Beds National Monument; Indian Wells Campground 1433 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  HSC34657  Ericameria nauseosa var. speciosa Thomas W. Nelson, J. O. Sawyer 1974-10-29 1741 Siskiyou Hwy. 3, just S of Calaghan Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  UCD131703  Erigeron bloomeri var. bloomeri J. M. Tucker; L. K. Mann 1963-8-18 3765 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  JEPS101369  Erigeron bloomeri var. nudatus Dean W. Taylor 1997-6-12 16053 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  CAS-BOT-BC297188  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 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
  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
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UC895898  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  CAS-BOT-BC300094  Erigeron philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  CAS-BOT-BC300084  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on rd to Sawyer's Bar, southern Siskiyou County 914 Comment
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  CAS-BOT-BC250068  Eriogonum compositum var. compositum Lewis S. Rose 1945-6-23 45179 Siskiyou Junction of Shasta River & Klamath River 624 Comment
  CAS-BOT-BC250073  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 s.n. Siskiyou Upper 3rd to top of ridge, Marble Valley Comment
  RSA594177  Eriogonum congdonii S. O. Mattoon 1978-9-23 46 Siskiyou Mt. Eddy Divide, 2 miles N of Dead Fall Meadows; Shasta North Fork at Trinity Co. line 2287 Comment
  CAS-BOT-BC246489  Eriogonum diclinum H. A. Thomas; J. H. Thomas 1954-7-24 4508 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC19482  Eriogonum diclinum J. O. Sawyer 1969-6-2 1008 Siskiyou Summit above Albert Lake 2256 Comment
  HSC35789  Eriogonum diclinum J. O. Sawyer 1969-7-2 1001 Siskiyou E of Twin Lakes 2195 Comment
  CHSC1318  Eriogonum douglasii var. meridionale V. Holt 1943-8-7 Siskiyou Marble Mountains. 2164 Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  JEPS83630  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  JEPS116875  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  HSC54724  Eriogonum lobbii G. L. Clifton, Griswold 1979-7-26 10120 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC58960  Eriogonum lobbii Gilbert Muth 1975-7-31 4439 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  HSC17399  Eriogonum luteolum var. luteolum C. B. Wolf 1927-8-26 1010 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC263654  Eriogonum luteolum var. luteolum Mrs. H. C. Cantelow 1938-10-25 s.n. Siskiyou About 16 miles NW of Yreka on Hy. #96 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  CAS-BOT-BC263178  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  CAS-BOT-BC268694  Eriogonum microthecum var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC261622  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC26760  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1971-9-18 4820 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  SEINET7064424  Eriogonum nudum var. nudum A. G. Vestal 1963-6-8 s.n. Siskiyou Very weedy field south of Yreka and north of Grenada on the Montague-Grenada Road. (NAD83/WGS84). UTM 10, 539777mE, 4612156mN. 229 Comment
  UC54705  Eriogonum nudum var. nudum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA165637  Eriogonum nudum var. nudum Clare B. Hardham 1961-6-30 7992 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA50182  Eriogonum nudum var. pubiflorum E. K. Balls 1949-7-8 13925 Siskiyou Etna Public Camp, southern Siskiyou County 851 Comment
  POM165290  Eriogonum ovalifolium var. ovalifolium Copeland 1903-9-7 3873 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  CAS-BOT-BC267711  Eriogonum roseum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  CAS-BOT-BC267710  Eriogonum roseum Doris K. Kildale 1928-7-25 5872 Siskiyou Klamath River between Brown's Resort of Gottville 579 Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  CAS-BOT-BC262725  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1909-5-10 721 Siskiyou Near Yreka Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  SEINET3160083  Eriogonum sphaerocephalum var. halimioides G. D. Butler 1910-5-27 1428 Siskiyou Yreka Comment
  UC164465  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou Independence Creek Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  JEPS25875  Eriogonum ternatum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7459 Siskiyou ridge-top between Indian Creek and Illinois River drainage (Dunn Creek) (about 12 air mi nw of Happy Camp) 1645 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SBBG1641  Eriogonum umbellatum H. and M. Dearing 1938-6-28 2184 Siskiyou Mt Shasta 1524 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS101146  Eriogonum umbellatum var. argus Dean W. Taylor 1996-6-20 15717 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  HSC43408  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-6-27 147 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  JEPS85704  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
  RSA50190  Eriogonum umbellatum var. humistratum E. K. Balls 1949-7-8 13914 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  RSA0005163  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  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
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  POM165414  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  SEINET11938393  Eriogonum umbellatum var. polyanthum Unknown 1953-1 114 Siskiyou Scott Mountain Public Campound, Klamath National Forest 1631 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  SEINET3160094  Eriogonum vimineum G. D. Butler 1910-7-31 1806 Siskiyou near Yreka Comment
  UC535932  Eriophorum gracile Elmer I. Applegate 1895-5-28 770 Siskiyou 18th. crossing of Sacramento R. below Sisson Comment
  CAS-BOT-BC301100  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 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
  CAS-BOT-BC301446  Eriophyllum lanatum var. grandiflorum Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  HSC19554  Eriophyllum lanatum var. grandiflorum J. O. Sawyer 1969-6-12 923 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  UC1084738  Eriophyllum lanatum var. lanceolatum Douglas Barbe 1957-7-14 392 Siskiyou s Big Flat Camp (gravel border of river); Salmon River 1524 Comment
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Mar 6 2013
  UC163899  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC55116  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34269 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 1828 Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC69046  Erysimum perenne Maralyn A. Renner 1980-8-7 2343 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC153749  Erythranthe alsinoides R. C. Barneby 1954-5-16 11519 Siskiyou Scott R. canyon 11 mi. above Scott Bar 670 Comment
  CHSC71503  Erythranthe floribunda Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  SD88375  Erythranthe guttata Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp Comment
  CHSC71605  Erythranthe linearifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  SEINET13723920 Image available Erythranthe moniliformis John M. Tucker, Louis K. Mann 1963-1 3690 Siskiyou Ca. 4.7 miles (by road) southwest of Etna, beside road from Etna to Sawyer's Bar Comment
  RSA211424  Erythranthe pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the south fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC78314  Eucephalus glabratus L. P. Janeway 1983-8-28 634 Siskiyou Poker Flat, S edge of meadow 1529 Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  RSA181621  Euonymus occidentalis Dorothy Parker 1951-7-15 s.n. Siskiyou Banks of Etna Creek. 884 Comment
  HSC449  Euphorbia crenulata William J. Ferlatte 1967-6-29 568 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  CDA34223  Euphorbia oblongata Jodi Aceves 2010-8-3 PDR# 1414045 Siskiyou At Klamath River, upstream from Somesbar. 0 Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake Comment
  SEINET5708046 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  HSC27483  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5382 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  RSA121317  Festuca idahoensis H. A. Jensen 1933-9-30 357 Siskiyou Signal Butte. 1341 Comment
  HSC101839  Festuca microstachys J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13174 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CHSC110947  Festuca occidentalis B. Castro; L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the dN-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its 'A' spur, in the old roadbed on semi-shaded red fir forest floor. Comment
  HSC71185  Festuca occidentalis M. A. Baker 1980-6-20 2217 Siskiyou Near Bald Mtn. 1036 Comment
  HSC73061  Festuca occidentalis Gail Newton 1980-6-20 444 Siskiyou Near Bald Mtn. 1097 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD66264  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  CAS-BOT-BC279074  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  SBBG26938  Frangula purshiana subsp. purshiana D. K. Kildale 1928-8-20 Siskiyou between Finleys upper camp and English Lake, Salmon Mtns 1371 Comment
  CAS-BOT-BC55699  Frangula rubra subsp. modocensis A. A. Heller 1920-8-13 13525 Siskiyou near Upton Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC223580  Fraxinus latifolia G. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC223581  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3 1/2 mi. below mouth of Shasta River 609 Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  RSA237919  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 582 Siskiyou North end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  SEINET3886831  Fritillaria recurva James F. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road.; 0 Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  CAS-BOT-BC428043  Galium boreale Julie Kierstead Nelson; Martin Lenz; Rhonda Posey; Brenna Montagne 2013-7-12 2013 -011 Siskiyou Headwaters of West Parks Creek, Scott Mountain, eastern Klamath Range. Near Forest Rd. 41N73 1859 Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  UC722316  Galium grayanum C. L. Hitchcock and J. S. Martin 1939-7-7 5289 Siskiyou Sanger Peak 1780 Comment
  UCD121914  Galium serpenticum subsp. scotticum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  POM60036  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson. [old name for Mount Shasta] Comment
  RSA105415  Galium triflorum G. D. Barbe 1955-6-29 36 Siskiyou 1.8 miles E of Callahan. S bank of Scott River. 976 Comment
  UC1258466  Galium triflorum John Palmer 1980-8-15 966 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  HSC27680  Galium triflorum Carl W. Mize 1972-6-10 48 Siskiyou Draw below Steinacher Creek Rd. 366 Comment
  CAS-BOT-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  HSC67133  Gaultheria ovatifolia J. P. Smith, Steve Selva 1970-7-15 4350 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  HSC185  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-18 413 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC34828  Gayophytum diffusum subsp. parviflorum J. P. Smith, J. O. Sawyer 1975-10-23 8487 Siskiyou 1768 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  POM230315  Gayophytum heterozygum J. T. Howell 1937-7-24 13383 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CHSC659  Gentiana calycosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2286 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  HSC91289  Gentiana calycosa Jennifer Whipple 1976-7-24 1562 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  JEPS83888  Gentiana calycosa Wayne Roderick Sep 1978 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  SEINET207375  Gilia capillaris Van Deventer, Mrs. Deventer 1959-7-10 7295 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County line about 4mi N-NE of Preston Peak; watershed of Indian Cree 1494 Comment
  RSA237278  Gilia capitata Frederick W. Oettinger 1967-6-28 144 Siskiyou Along road 1/2 mile south of Kelly Gulch toward Sawyers. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 625 Comment
  JEPS125866  Glossopetalon spinescens Dean W. Taylor 1996-7-10 15769 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  CHSC71514  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1998-7-21 9352 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA602581  Glyceria striata L. C. Wheeler 1935-7-26 3717 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  HSC19399  Goodyera oblongifolia J. O. Sawyer 1968-7-10 458 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA150572  Goodyera oblongifolia Lee W. Lenz 1961-6-22 24362 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  JEPS77492  Gratiola ebracteata Susan Horner 1978-6-30 401 Siskiyou road between 40N05 and Sand Flat Well about 4 mi sse Hambone Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET6336347  Habenaria leucostachys W. B. C. 1937-1 Siskiyou Comment
  UCD119369  Hackelia bella Dean William Taylor 1972-7-2 1619 Siskiyou Near Etna, along Highway 3. Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  JEPS55568  Hackelia micrantha Ruby Van Deventer 1938-7-31 280 Siskiyou Poker Flat 1219 Comment
  JEPS80498  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  JEPS84097  Hackelia micrantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6420 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  UC723022  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou Takilma-Happy Camp Road 1676 Comment
  HSC44487  Hastingsia alba K. Irwin 1977-5-22 387 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC30795  Hastingsia alba Arthur R. Kruckeberg 1972-6-9 6204 Siskiyou Above rd. at Beaver Creek Forest Camp along Beaver Creek, Klamath River drainage Comment
  RSA232529  Hastingsia alba Donald Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  UC1951320  Hastingsia alba Robert F. Thorne and Fred Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  CAS-BOT-BC302429  Hazardia whitneyi Alice Eastwood 1912-8-30 2053 Siskiyou Mount Eddy Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC585080  Helianthella californica subsp. shastensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1996 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur ofRainbow Bridge above Sulloway Creek) 1180 Comment
  HSC5782  Helianthus annuus D. M. Thomson 1965-8-4 162 Siskiyou Califrornia Lava Beds National Monument; Near Canbys Cross Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  HSC1953  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Mt. Diablo Meridian, Shasta Valley, 2 mi. SE of Yreka. 856 Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CDA17142  Heterotheca oregona G. F. Hrusa 2001-6-6 15856 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  CAS-BOT-BC311045  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC4793  Heuchera merriamii William J. Ferlatte 1966-8-19 454 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC64878  Heuchera merriamii D. L. Goforth 1979-7-19 272 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC425005  Heuchera micrantha var. micrantha Doris K. Kildale 1929-5-12 7794 Siskiyou Sawyers Bar on North Fork of Salmon River 609 Comment
  RSA0063199  Heuchera micrantha var. micrantha Frederick W. Oettinger 1969-9-4 1664 Siskiyou S side of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtns Wilderness Area. 1829 Comment
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  UC61071  Hieracium albiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC92162  Hieracium bolanderi Jennifer Whipple 1976-7-24 1549 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  HSC26909  Hieracium horridum J. P. Smith, J. O. Sawyer 1971-9-17 4773 Siskiyou Slopes above Big Duck Lake Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC36472  Hieracium scouleri J. O. Sawyer 1969-8-1 1692 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  HSC29197  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Near Tobacco Lake 1890 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  HSC712  Hieracium scouleri William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mtn. 2470 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  CAS-BOT-BC280782  Holcus lanatus Dorothy Parker 1948-7-18 79 Siskiyou In Plowman's Valley, East Fork of Scott River 1188 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  RSA237610  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak. Salmon Mountains. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UC922310  Holodiscus discolor Annie M. Alexander and Louise Kellogg 1949-7-31 5906 Siskiyou Marble Mountains, trail at entrance to Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CHSC69087  Holodiscus microphyllus var. glabrescens Vernon Oswald; Lowell Ahart 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC289278  Hordeum brachyantherum subsp. brachyantherum David D. Keck 1949-7-19 6351 Siskiyou 2 mi. S. of Grenada 777 Comment
  UCD85810  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1909-5-21 822 Siskiyou Along road near Yreka. Comment
  CHSC91254  Hordeum murinum subsp. leporinum Lowell Ahart; John Dittes 2005-6-10 12067 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  NY436002  Horkelia brownii H. E. Brown 1897-7-15 530 Siskiyou South side Mt. Shasta. 1524.0 Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  UC164307  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  SEINET7042830  Horkelia daucifolia A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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  SEINET10483363  Horkelia fusca subsp. parviflora Mary Merello 1993-6-25 Merello 724 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  SBBG115868  Horkelia fusca var. parviflora R. E. Preston 2001-7-21 1701 Siskiyou near S end of Antelope Crk Meadow 1633 Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  SBBG30555  Hosackia oblongifolia var. oblongifolia D. Myrick 1968-6-29 2057 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC312578  Hulsea nana Alice Eastwood 1912-8-30 2022 Siskiyou Mount Eddy Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  CAS-BOT-BC95002  Hydrophyllum occidentale R. C. Wenk 2005-7-19 343 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC61785  Hydrophyllum occidentale Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET5518744  Hydrophyllum occidentale var. watsonii G. D. Butler 1910-1 1720 Siskiyou Marble Mountain 1676 Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  UC643276  Iliamna bakeri W. Bridge Cooke 1940-6-28 15193 Siskiyou in chaparral along Memorial Highway; Mount Shasta Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SD46432  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  UC1075558  Ipomopsis aggregata E. K. Balls and L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi e McCloud (State Hwy 89) 1036 Comment
  RSA469531  Ipomopsis aggregata A. C. Life 1923-08 s.n. Siskiyou near Mt. Shasta Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  UC933392  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1948-9-9 5616 Siskiyou meadow at start of a 2 mi trail to Taylor Lake from Cook and White MIne Siskiyou Mtns 1584 Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  HSC27648  Iris tenuissima Carl W. Mize 1972-6-8 5 Siskiyou Along the main trail 328 Comment
  CDA39593  Iris tenuissima T. C. Fuller 1962-6-13 8972 Siskiyou Highway 89 to McCloud, 4.4 miles west of Bartle. 0 Comment
  CHSC96035  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; southwest side of Taylor Lake Trailhead Road 0.8 km south of the main road; south-facing bowl at the head of Taylor Creek. 1804 Comment
  SDSU2432  Isatis tinctoria D. F. Howe 1977-7-2 4983 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  SEINET10735771  Isatis tinctoria Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 896 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
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  POM95097  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  HSC30622  Isoetes bolanderi Frederick W. Oettinger 1969-8-21 1474 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 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
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC67956  Juncus bolanderi Steve Selva, J. P. Smith 1970-7-15 4344 Siskiyou Klamath National Forest, rd. to Happy Camp 732 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  JEPS96984  Juncus confusus Dean W. Taylor 1999-8-12 17312 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  HSC96560  Juncus drummondii Gordon Leppig, J. Kalt 1996-7-10 379 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1265307  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Tom's Upper Pond, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2019 Comment
  CHSC40145  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou Seep area along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  JEPS66981  Juncus ensifolius B. C. Goldsmith 1916-6-22 1 a Siskiyou McCloud Flat Mt. Shasta Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  POM250715  Juncus ensifolius D. D. Keck 1938-8-8 4865 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  RSA238899  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC642582  Juncus howellii F. J. Hermann 1939-7-21 13711 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC92868  Juncus mertensianus Jennifer Whipple 1977-7-21 2022 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC110803  Juncus mertensianus Harry R. Saxton; Roy H. Canfield 1922-7-11 3 Siskiyou Klamath Forest. Mud Springs. 1676 Comment
  RSA238921  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Just south above Horse Range Lake. Salmon Mtns High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  UC1265332  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou s side Horse's Hold pond (above Horse Range Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  JEPS74126  Juncus mexicanus Geo. D. Butler 1909-6-16 873 Siskiyou near Yreka Comment
  CHSC70198  Juncus nevadensis Jennifer Whipple 1978-10-6 2431 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  UCD77268  Juncus nevadensis Robert E. Preston 2002-7-12 1905 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1652 Comment
  RSA238906  Juncus saximontanus Frederick W. Oettinger 1969-8-5 1205 Siskiyou Along the Abbotts Upper Cabin-English Lake trail at Willow Springs. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS94676  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou on Old State Hwy 0.8 mi e Tennant Road (ne of Weed, e of Grass Lake, and w of Bray) 1417 Comment
  RSA368350  Juncus trilocularis L. C. Wheeler 1934-6-22 2753 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  UC726032  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  HSC23554  Kalmia polifolia J. O. Sawyer 1970-6-17 2204 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC83881  Kalmia polifolia K. Berg, Stephanie Bennett 1986-8-25 641 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA46968  Keckiella corymbosa Carl B. Wolf 1927-8-27 1125 Siskiyou On the Klamath River, 4 miles below Happy Camp. Comment
  HSC42896  Keckiella lemmonii Ken Stillman 1976-8-15 406 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  UC1408759  Keckiella lemmonii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1211 Siskiyou above Willow Spring (on English Lake Trail, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  LA208509  Kelloggia galioides Carl B. Wolf; 1934-7-6 Siskiyou Mount Shasta, SW slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road 1219 Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  UCD86007  Koeleria macrantha L. Whitney 1934-6-29 2293 Siskiyou Tennant. 1524 Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  HSC36777  Lagophylla ramosissima J. P. Smith 1974-5-25 7419 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  OBI53785  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23473 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  POM30798  Lagophylla ramosissima Geo D. Butler 1910-6-2 1448 Siskiyou Yreka. Comment
  CHSC71565  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9408 Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC71653  Lathyrus latifolius J. P. Smith, Steve Selva 1970-6-17 4096 Siskiyou 3 mi. E of Somes Bar. 152 Comment
  SBBG3356  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2194 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  JEPS75661  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1909-6-22 916 Siskiyou Goosenest Mountain Comment
  HSC61500  Lathyrus tracyi Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  JEPS117619  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) sou 716 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  CAS-BOT-BC88864  Lepidium campestre Alice Eastwood 1923-5-18 11835 Siskiyou Shasta Springs. Comment
  HSC193  Lepidium campestre William J. Ferlatte 1966-8-3 255 Siskiyou Mtn. Meadow Ranch 1524 Comment
  JEPS53649  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Grenada Station 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
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  HSC40875  Leptosiphon nuttallii J. O. Sawyer 1973-7-18 2548 Siskiyou Little N Fork trail 1890 Comment
  CAS-BOT-BC341895  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dusmuir 640 Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  HSC68085  Leucanthemum vulgare J. P. Smith, Steve Selva 1970-6-16 4034 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC96499  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  CDA38866  Leucothoe davisiae F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  SEINET2030161 Image available Leucothoe davisiae Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lakes Comment
  UC1312936  Lewisia Sandra L. Holloway, J. M. Tucker, and L. K. Mann 1963-7-9 76 Siskiyou near e base of Marble Mountain Marble Mountain Wilderness Area, Marble Mountain 1950 Comment
  SBBG124420  Lewisia cotyledon C. B. Hardham 1961-7-1 8025 Siskiyou near Mud Springs, Siskiyou Mtns 1981 Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CAS-BOT-BC444041  Lewisia cotyledon var. cotyledon Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC444047  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  HSC26226  Lewisia triphylla J. P. Smith, J. O. Sawyer 1972-5-27 5356 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC7822  Lewisia triphylla Milo S. Baker 1893-8-5 501 Siskiyou Medicine Lake 1981 Comment
  RSA601895  Lewisia triphylla L. C. Wheeler 1935-7-23 3686 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  UCD64279  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley. Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  HSC34458  Lilium kelleyanum A. M. Montalvo, J. D. Ackerman 1974-7-2 350 Siskiyou Near Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta 1829 Comment
  HSC44999  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC130816  Lilium pardalinum W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC133017  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  CAS-BOT-BC133091  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC133097  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-7-22 1301 Siskiyou Sisson Comment
  CAS-BOT-BC133105  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  UC907988  Linanthus androsaceus Mabel Ruttle 1927-5-5 Siskiyou Dunsmuir Comment
  UC971774  Linanthus bolanderi Douglas Horn 1938-4-17 45 Siskiyou e of Etna (on the e side of Scott Valley); Scott Valley 883 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  CAS-BOT-BC240385  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  UC61186  Listera convallarioides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Sisson Mount Shasta 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-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC36544  Lithocarpus densiflorus var. echinoides P. C. Everett; E. K. Balls 1954-10-10 20262 Siskiyou road to Castle Lake from town to Mt. Shasta, 0.5 mi s. of jct to Ney Springs 1127 Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  UC5492  Lithocarpus densiflorus var. echinoides W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  CAS-BOT-BC432316  Lithophragma campanulatum John Thomas Howell 1937-7-22 13300 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC317333  Lithospermum californicum L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  UC196935  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou along creek near Yreka Comment
  JEPS91126  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  CHSC91232  Lomatium macrocarpum Lowell Ahart; John Dittes 2005-6-9 12032 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC76695  Lomatium macrocarpum K. T. Stillman 1976-8-7 203 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  CDA38336  Lomatium nudicaule G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2786 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61904  Lonicera conjugialis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC836  Lonicera conjugialis William J. Ferlatte 1967-7-9 693 Siskiyou Kidd Creek Trail. 1982 Comment
  RSA68930  Lonicera conjugialis A. E. Culbertson 1943-7-12 28 Siskiyou Castle Lake, in a north facing cirque with an 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
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC200968  Lotus L. R. Abrams 1926-7-4 11229 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 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
  UC144467  Lotus crassifolius var. crassifolius A. A. Heller 1905-6-5 7972 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  HSC36806  Lotus humistratus J. P. Smith 1974-5-27 7631 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC163678  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek Comment
  RSA406444  Lotus unifoliolatus M. B. Dunkle 1944-9-15 9112 Siskiyou Siskiyou National Park. Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  CHSC100001  Luetkea pectinata L. P. Janeway 2008-7-26 9503 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  CAS-BOT-BC342561  Luina hypoleuca D. H. Norris 1970-5-23 12243 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  OBI53778  Lupinus David J. Keil 1992-7-20 23476 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  SEINET10488389  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47270 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  CAS-BOT-BC195967  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47204 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC196329  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49134 Siskiyou Klamath River Bridge, 1.5 miles south - Shasta River Canyon Comment
  RSA47806  Lupinus bicolor subsp. tridentatus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11727 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  CAS-BOT-BC215103  Lupinus croceus Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 4 miles above Callahan, N slope of Scott Mountain 1158 Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  SEINET10838173  Lupinus croceus Herbert L. Mason 1947-5-17 Mason 14759 Siskiyou In woods along scott mt. Rd., 5 Mi. S of callahan. 1463 Comment
  SEINET10485423  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-2 Conrad 6971 Siskiyou Under oak trees on s facing slope of klamath rever valley, 1.5 mi. W of jct of 263 And 96 on hwy 96. Assoc. With l. Albifrons var. Fluminense in open area. 732 Comment
  UC146909  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1710 Siskiyou near Marble Mountain (Shackleford Canyon, ridges and meadows); North Coast Ranges, nr Marble Mountain, Shackleford Canyon 1828 Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  CHSC69479  Lupinus lepidus var. sellulus James D. Jokerst 1992-7-30 3424 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  HSC41182  Lupinus leucophyllus John Rehling 1976-5-29 406 Siskiyou Near Etna in Scott Valley. Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC1481908  Lupinus nanus K. Morris, Conrad and Dunn 1973-6-2 372 Siskiyou onwy 3 along roadside 0.7 mi s of junction at Etna Road Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  SEINET10874244  Lupinus obtusilobus Robert T. Clausen, Harold Trapido 1940-7-27 Clausen 4969 Siskiyou In volcanic dust on w side of mountainhouse creek, 5 mi n-ne of summit of mt. Shasta. Sacramento river basin. Flowers violet-blue. 1981 Comment
  UC454944  Lupinus polyphyllus var. burkei I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  RSA105488  Lupinus sellulus subsp. sellulus Douglas Barbe 1955-7-1 066 Siskiyou 0.05 mile east of Etna at a burned lumber mill. Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  HSC39711  Luzula parviflora J. P. Smith, Steve Selva 1970-6-16 4067 Siskiyou 8 mi. W of Etna on road to Sawyers Bar 1372 Comment
  HSC31127  Luzula parviflora J. O. Sawyer 1971-8-19 2454 Siskiyou 2012 Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC231460  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  CAS-BOT-BC231461  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC344005  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  JEPS40209  Madia elegans Geo. D. Butler 1908-8-12 307 Siskiyou Greenview Scott Valley Comment
  CAS-BOT-BC343996  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  POM208192  Madia elegans subsp. elegans L. C. Wheeler 1934-6-28 2809 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork 915 Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  RSA165598  Madia minima Clare B. Hardham 1961-6-30 s.n. Siskiyou Siskiyou Mountains:White Mountain 1829 Comment
  RSA48230  Mahonia aquifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 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
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC514185  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  SEINET11601695 Image available Malacothrix sonchoides G. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  HSC46292  Matricaria discoidea J. P. Smith, Steve Selva 1970-6-16 4012 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC269234  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou At the State Teachers College near Mt. Shasta Comment
  JEPS25669  Melica geyeri Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou 4 air mi nne Preston Peak (Twin Valley, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  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
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  HSC92631  Melica stricta Jennifer Whipple 1976-7-8 1362 Siskiyou N to NE facing steep granite bluff with scree. 2317 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  CHSC72237  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-9-16 9635 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1231 Comment
  POM211190  Mentha canadensis Louis C. Wheeler 1934-9-16 3269 Siskiyou Walker, Klamath River 518 Comment
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  RSA17719  Mentzelia laevicaulis Elmer I. Applegate 1923-8-6 3938 Siskiyou Klamath River, 12 miles below mouth of Shasta River. Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  SEINET8880644 Image available Mertensia ciliata Unknown 1991-5-30 Siskiyou Klamath National Forest; West branch, a Forest Service campground; 2200 feet. Comment
  CAS-BOT-BC428546  Micranthes aprica H. E. Brown 1897-6-15 467 Siskiyou North side Mt. Shasta 3048 Comment
  RSA17746  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
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Dec 17 2015
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  SEINET3145680  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  SEINET3145682  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  HSC61899  Microsteris gracilis Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS10542  Mimulus breweri W. L. Jepson 1937-7-30 18552 Siskiyou Poker Flat Siskiyou Mts. 1584 Comment
  UC618713  Mimulus guttatus W. Bridge Cooke 1938-8-5 11444 Siskiyou MacBride Springs Mount Shasta Comment
  UC1019310  Mimulus kelloggii Dorothy Parker 1953-5-24 536 Siskiyou Scott River Siskiyou Mountains 609 Comment
  JEPS8211  Mimulus layneae Willis L. Jepson 1894-8-9 71 m Siskiyou betweeen Sims and Sisson; Upper Sacramento Region Comment
  UC725963  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  POM146613  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou Along the Pacific Highway 3 miles north of the town of Mt. Shasta. Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  HSC90992  Mimulus nanus Jennifer Whipple 1976-7-14 1464 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2591 Comment
  HSC34141  Mimulus nanus var. nanus J. O. Sawyer 1969-7-18 1436 Siskiyou S of Jackson Lake 1951 Comment
  RSA59506  Mimulus nanus var. nanus E. K. Balls 1950-5-16 14708 Siskiyou Caldwell Butte, east slope. Lava beds Nat'l Monument. 1646 Comment
  CDA24063  Minuartia douglasii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2645 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  JEPS74474  Minuartia nuttallii subsp. gregaria W. J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit Trinity Alps 2133 Comment
  HSC77109  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 112 Siskiyou Trail S of Paradise Lake Comment
  CAS-BOT-BC229612  Mirabilis greenei L. E. Smith 1912-8-1 s.n. Siskiyou Hornbrooke Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  UC101219  Mirabilis greenei Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
  RSA123579  Mitella breweri G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA238320  Mitella pentandra Frederick W. Oettinger 1967-8-5 240 Siskiyou Wet meadow 1/8 mile N of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1222382  Mitella trifida Joseph P. Tracy 1951-6-16 19492 Siskiyou Summit of Siskiyous; at crossing of Takilma-Happy Camp Rd Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  RSA233677  Monardella odoratissima Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38994 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC220357  Monardella odoratissima subsp. pallida Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC220362  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC220225  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath National Forest. Klamath R. near Dutch Cr. 670 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  RSA0022797  Monardella villosa Albert M. Vollmer, L. Beane 1951-6-2 43 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  RSA0022784  Monardella villosa subsp. subserrata Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC445205  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29447  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  SEINET10674985 Image available Montia parvifolia A. Arthur Heller 1905-6-1 Heller 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  UCD86974  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  HSC33994  Myosotis discolor J. P. Smith 1974-5-25 7477 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA45344  Myosotis scorpioides Dorothy Parker 1946-7-14 s.n. Siskiyou Etna. 915 Comment
  RSA695876  Myosurus minimus D. W. Taylor 1995-6-1 14963 Siskiyou 2 miles SE of Montague, Shasta Valley Wildlife Management area, Little Shasta River 854 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  RSA166186  Nama lobbii Donald Myrick 1961-6-22 319 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  POM75064  Navarretia divaricata Geo D. Butler 104 Siskiyou West Fork of Wooley Creek 1677 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS93883  Navarretia intertexta subsp. intertexta Vernon H. Oswald and Lowell Ahart 1998-7-21 9334 Siskiyou on the 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); Tennant Road 1402 Comment
  CHSC4542  Navarretia leptalea J. E. Bowlin 1967-7-18 65 Siskiyou On roadside, ca. 6 mi w of Mount Shasta Ski Bowl. 1828 Comment
  UC726811  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  HSC39738  Nemophila pedunculata J. O. Sawyer 1970-4-3 2097 Siskiyou Along Sugar Creek 915 Comment
  JEPS1935  Nemophila pedunculata Geo. D. Butler 1909-3-9 658 Siskiyou Yreka Comment
  JEPS94846  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1998-9-16 9636 Siskiyou Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97); Highway 161 1243 Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC4879  Nothochelone nemorosa J. O. Sawyer 1968-9-9 651 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69310  Nothochelone nemorosa Maralyn A. Renner 1980-7-24 1977 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CDA38172  Oenothera villosa subsp. strigosa Gene Deal 1967-8-3 s.n. Siskiyou 3 miles north of Gazelle, Southern Pacific Railroad right-of-way. 0 Comment
  UCD134658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou along road Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CAS-BOT-BC355602  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-30 1971 Siskiyou Mount Eddy Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC68885  Orobanche fasciculata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  HSC19204  Orthilia secunda J. O. Sawyer 1968-7-22 561 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC458077  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 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
  CAS-BOT-BC266618  Orthocarpus cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest foothills Comment
  HSC58956  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1975-7-31 4035 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  UCD123233  Orthocarpus cuspidatus subsp. copelandii Dean William Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles west of Cook and Green Pass. 1981 Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  JEPS10885  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC65503  Osmorhiza berteroi R. White 1977-7-21 128 Siskiyou Slope below outlet of Raspberry Lake. 1512 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
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  JEPS25819  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC413221  Oxyria digyna John Thomas Howell 1939-8-10 15253 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC316752  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone 2895 Comment
  CAS-BOT-BC316761  Packera cana Marion L. Campbell 1916-7-15 s.n. Siskiyou Moraine Lake to Arroyo Creek Comment
  CAS-BOT-BC318450  Packera cana Elmer Ivan Applegate 1935-6-5 9338 Siskiyou Lyons road, north boundaty of lava Beds national Monument Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  CAS-BOT-BC28830  Paeonia brownii William Bridge Cooke 1938-7-15 11261 Siskiyou Around upper end of Wagon Camp 1737 Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CAS-BOT-BC94880  Parnassia californica R. C. Wenk 2006-9-3 564 Siskiyou Coffee Creek Road, Big Flat Meadow, S end of meadow above S Fork of Salmon River 1508 Comment
  HSC366  Parnassia fimbriata W. J. Ferlatte 1967-8-20 1060 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. Steep N facing slope. 2043 Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  CHSC1638  Pectiantia pentandra V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  SEINET10783891 Image available Pedicularis attollens Edwin B. Copel 1903-8-18 Copeland 3901 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC29251  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Marble Mtn. Wilderness Area, below Diamond Lake on way to English Peak 2226 Comment
  UC886599  Pedicularis densiflora A. A. Heller 1915-7-15 12085 Siskiyou Mount Eddy 2072 Comment
  HSC27341  Pedicularis howellii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5704 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1483476  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail about .8 mi e of Cook and Green Pass; Klamath National Forest 1706 Comment
  CAS-BOT-BC67681  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC67685  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Marble Mountain - Near summit of Cayenne Ridge on south side. Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  UC705509  Pellaea brachyptera Marion Ownbey and Fred G. Meyer 1940-7-6 2198 Siskiyou near summit Cayenne Ridge (s side Marble Mt); Marble Mt Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  SDSU10914  Penstemon anguineus D. F. Howe 1965-8-8 4125 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  UC1585393  Penstemon anguineus R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 49 Siskiyou n Seiad Valley (at Cook and Green Pass); Cook and Green Pass 1425 Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  UC618803  Penstemon cinereus David Keck 1938-8-24 11582 Siskiyou Bolam Creek Mount Shasta, Bolam Creek (above the creek in forest of Yellow Pine) 2133 Comment
  JEPS8101  Penstemon davidsonii var. davidsonii W. L. Jepson 1894-8-4 21412 Siskiyou Mt. Shasta above timber line; Mt. Shasta, above timber line Comment
  UC705377  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou ridge above head of Brewer Creek Mount Shasta, E side Comment
  CAS-BOT-BC265382  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 4483 Siskiyou 9.4 miles W Indian Wells Ranger Station Comment
  HSC68510  Penstemon deustus Maralyn A. Renner 1980-6-8 825 Siskiyou Slopes N of Moffett Creek 945 Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  RSA75599  Penstemon deustus subsp. deustus Albert M. Vollmer, L. Beane 1951-6-2 39 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  NY609840  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-8 7998 Siskiyou Yreka Comment
  CHSC67046  Penstemon gracilentus Marion Ownbey; Fred G. Meyer 1940-7-3 2195 Siskiyou Near the timber line on east side of Mt. Shasta. Comment
  UC618810  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11546 Siskiyou around the Horse Camp Flats (Horse Camp, Mount Shasta); Mount Shasta, around the Horse Camp Flats 2438 Comment
  JEPS101478  Penstemon heterodoxus var. shastensis Dean Wm. Taylor with Glenn Clifton 1987-6-24 9059 Siskiyou N end of White Horse Mountains, Tuft Creek, near BM 4374 1333 Comment
  JEPS93872  Penstemon heterodoxus var. shastensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9329 Siskiyou Highway 97 between Weed and Macdoel (at the e end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  HSC97132  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, S of rock fence, 100 yds. NE of where cattle water in Shasta River, 3/5 mi. S of Hwy. 99/97 Cutoff, 2.5 mi. ESE of Grenada 775 Comment
  RSA659604  Penstemon laetus subsp. sagittatus J. C. Roos 1948-9-2 3974 Siskiyou 6 miles SW of Yreka. Comment
  SEINET11053374  Penstemon laetus subsp. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  RSA78839  Penstemon laetus subsp. sagittatus Philip A. Munz 1952-7-2 17917 Siskiyou Road to Baldy Mtn, ca 6 miles by air west of Happy Camp, Siskiyou Mtns. Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  NY604553  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mount Shasta; along east side of US 97 ca. 5.1 miles northeast of jct. I-5 Business Loop in Weed. 1158.2 Comment
  POM252935  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15237 Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  HSC91141  Penstemon newberryi subsp. berryi Jennifer Whipple 1976-7-7 1327 Siskiyou Dale Creek drainage on N face of Mt. Eddy 2378 Comment
  RSA150583  Penstemon newberryi subsp. newberryi Lee W. Lenz 1961-6-21 24354 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  JEPS5711  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  HSC76947  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC94477  Penstemon parvulus R. C. Wenk 2005-7-19 346 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  HSC61153  Penstemon procerus var. brachyanthus Al Hobart Siskiyou El Capitan Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  CHSC1886  Penstemon rupicola V. Holt 1932-7-5 Siskiyou Castle Lake. 1981 Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CAS-BOT-BC239431  Penstemon rydbergii var. oreocharis Peter Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Hwy 97 Comment
  CDA41991  Penstemon rydbergii var. oreocharis Vernon H. Oswald & Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  JEPS11508  Penstemon speciosus W. L. Jepson 1894-8-4 21432 Siskiyou Mt. Shasta Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  HSC4832  Perideridia gairdneri subsp. gairdneri J. O. Sawyer 1968-9-10 688 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  CAS-BOT-BC423353  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  CHSC106098  Persicaria hydropiperoides Lowell Ahart; John Dittes 2010-7-30 16933 Siskiyou 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
  HSC17509  Persicaria lapathifolia C. B. Wolf 1927-8-26 990 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  HSC13648  Phacelia bicolor R. C. Wunner 1965-8-27 489 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  RSA0003819  Phacelia cookei L. R. Heckard, Constance, Ornduff 1969-6-24 2294 Siskiyou N of Mt. Shasta, junc. of old Military Pass Rd. and U.S. Hwy. 97. Comment
  POM73589  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou Damp land near Yreka. Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  HSC76997  Phacelia hastata var. compacta K. T. Stillman 1976-6-25 92 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley trail 2073 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  HSC46179  Phacelia heterophylla subsp. virgata Jennifer Whipple 1977-4-30 1880 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS87068  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou Gumboot Lake North Coast Ranges, Seven Lakes Basin 7 1/2' quad, South For (headwaters of river) 1950 Comment
  UC1187639  Phacelia leonis Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-20 3691 Siskiyou ca 5 mi sw Poker Flat; Siskiyou Mountains, Twin Valley 1554 Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  JEPS100470  Phacelia pringlei Dean W. Taylor 2002-6-29 18201 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  RSA50204  Phacelia pringlei E. K. Balls 1949-7-8 13901 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  UC73700  Phacelia procera Milo S. Baker 1899-8-2 Siskiyou near Bartle's; McCloud River Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  POM74214  Phacelia procera Geo. D. Butler 1910-7-8 1679 Siskiyou Shackleford Creek. 1524 Comment
  CAS-BOT-BC141450  Phacelia ramosissima var. eremophila Doris K. Kildale 1929-6-25 8363 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  UCD162322  Philadelphus lewisii Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountains, east of Marble Mountain. 1716 Comment
  UC1560412  Phlox adsurgens E. Joyal and D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  SJSU6499  Phlox adsurgens R. W. Trivelpiece 1972-6-24 130 Siskiyou Thompson Ridge 5 mi E of Indian Cr Fork of Klamath R c. 11 mi N of Happy Camp 1280 Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SEINET12279216  Phlox diffusa H. P. Chandler 1901-1 1591 Siskiyou Ridges and meadows near Marble Mountain 2134 Comment
  RSA237975  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1969-7-10 964 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  UC705693  Phlox douglasii subsp. rigida Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  UC1442633  Phlox hirsuta William J. Ferlatte 1978-5-28 1904 Siskiyou 0.4 mi e Interstate 5 (0.2 mi n of Hwy 3 on way to Montague, hills n of Yreka) 830 Comment
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  CAS-BOT-BC135339  Phoradendron juniperinum L. E. Smith 1914-3-17 586 Siskiyou Weed Comment
  UC1039907  Phoradendron pauciflorum Geo. M. Pendleton 1917-1 Siskiyou Sisson Comment
  CAS-BOT-BC56492  Phyllodoce empetriformis Doris K. Kildale 1928-8-19 6581 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC31489  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Devils Punchbowl Comment
  HSC758  Phyllodoce empetriformis William J. Ferlatte 1966-7-7 204 Siskiyou Caribou Basin 1982 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  CAS-BOT-BC56494  Phyllodoce empetriformis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  HSC38584  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  UC1034605  Physocarpus capitatus Douglas Barbe 1955-6-29 45 Siskiyou 1.8 mi e Callahan (on bank of Scott River); Klamath Mts 975 Comment
  UC75157  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt Eddy Comment
  CAS-BOT-BC73473  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  HSC36699  Picea breweriana Brent Whiteley 1975-7-3 132 Siskiyou 1220 Comment
  POM193628  Picea breweriana Patricia Bennett 1928-7-11 s.n. Siskiyou Salmon Mountains; head of No Nothing Creek. Comment
  UC1271683  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UC665706  Picea breweriana L. E. Berriman January, 1941 Siskiyou w Callahan (n slopes of peak); North Coast Ranges, Russian Peak 1828 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  UC1094328  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou Mount Eddy 2651 Comment
  UC705871  Pinus attenuata Marion Ownbey and Fred G. Meyer 1940-7-7 2219 Siskiyou near summit of Cayenne Ridge Marble Mountain, Cayenne Ridge Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 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
  CAS-BOT-BC78406  Pinus balfouriana W. R. Dudley 1899-8-15 s.n. Siskiyou summit of Black Butte Comment
  JEPS82668  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  RSA215637  Pinus balfouriana Gilbert Muth 1969-8-10 1355 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  CAS-BOT-BC72866  Pinus ponderosa Doris K. Kildale 1929-3-11 7713 Siskiyou Cecilville, south fork of Salmon River Comment
  HSC1540  Pinus ponderosa R. C. Wunner 1965-7-9 377 Siskiyou Lava Beds National Monument, Upper Ice Cave Junction with Tichner Rd. 1555 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC70584  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  CHSC93545  Plagiobothrys bracteatus Lowell Ahart; John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 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
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  HSC46221  Plagiobothrys shastensis Jennifer Whipple 1978-6-5 2331 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  RSA518800  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou About 2 miles east of Gazelle on road to Weed. Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  RSA240062  Plantago major Frederick W. Oettinger 1969-8-12 1341 Siskiyou Near Abbott's Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 945 Comment
  UC429327  Platanthera leucostachys Milo S. Baker Aug 1897 136 Siskiyou Payne's Springs Comment
  RSA211309  Platanthera leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  POM208361  Plectritis congesta subsp. brachystemon Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  RSA48224  Plectritis congesta subsp. brachystemon Roxana S. Ferris, Laura Lorraine 1948-6-12 11726 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  HSC44640  Pleuricospora fimbriolata Virginia Rumble 1978-7-3 Siskiyou Along N side of Kelly Lake. Bulk Collection 134 1067 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  JEPS109562  Poa cusickii subsp. purpurascens Dean W. Taylor 2002-7-21 18274 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  CAS-BOT-BC256013  Poa pratensis Wm. Bridge Cooke 1938-7-15 11236 Siskiyou Wagon Camp, Mount Shasta 1737 Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC68450  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1256 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  SJSU6477  Poa secunda subsp. secunda R. W. Trivelpiece 1972-6-9 104 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  UC1025012  Poa secunda subsp. secunda Leo Whitney 1935-7-15 3485 Siskiyou 2 mi se Medicine Lake (Bullseye Lake) Comment
  UCD90888  Poa secunda subsp. secunda P. B. Dickey 1940-5-26 942 Siskiyou South of Dwinnell Lake. Comment
  RSA47975  Poa trivialis Roxana S. Ferris, Laura Lorraine 1948-6-16 11747 Siskiyou French Creek Logging west of Callahan 1067 Comment
  HSC39632  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5647 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  UCD118556  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  CAS-BOT-BC263240  Polemonium carneum R. Stubbs 2010-6-25 010 Siskiyou 1.08 mile SE of Deadwood historical marker. West of Yreka 1331 Comment
  CAS-BOT-BC263241  Polemonium carneum R. Stubbs 2010-6-25 011 Siskiyou Private property. 5 miles west of Yreka Comment
  UC164137  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  CAS-BOT-BC231353  Polemonium pulcherrimum M. S. Clemens No date on label s.n. Siskiyou Mt. Shasta Comment
  UC1732953  Polyctenium fremontii Kay H. Beach, Frank Gould 1940-5-16 646 Siskiyou drying vernal pool about 24 miles north of Weed, on the road to Klamath Falls. Comment
  SEINET12203957  Polygala cornuta M. Ownbey, Meyer, F. G. 1940-1 2164 Siskiyou 7 mi NW of McCloud Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  UC1192345  Polygonum aviculare subsp. aviculare Verne Grant and Irving Schneider 1947-8-25 8276 Siskiyou Tule Lake; w side Comment
  CAS-BOT-BC414313  Polygonum aviculare subsp. neglectum R. E. Frenkel 1963-7-15 226 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing 1545 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  UC618739  Polygonum davisiae W. Bridge Cooke 1938-7-21 11289 Siskiyou between Horse Camp and Panther Creek Meadows; Mount Shasta Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  SEINET3405779 Image available Polygonum douglasii Rimo Bacigalupi, Drs. Reino & Aloha Alava 1958-9-3 6898 Siskiyou Poker Flat, Siskiyou Mtns 1536 Comment
  HSC32768  Polygonum douglasii Frederick W. Oettinger 1969-8-14 1378 Siskiyou Marble Mtn. Wilderness Area, campsite, English Lake 1829 Comment
  POM104485  Polygonum douglasii Geo. D. Butler 1908-8-8 186 Siskiyou W Fork Wooly Creek. 1829 Comment
  JEPS49633  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Jaynes Canyon Siskiyou Mts. 1950 Comment
  RSA466401  Polygonum kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  CAS-BOT-BC418598  Polygonum minimum G. J. Muth 1969-8-8 1279 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC418588  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  JEPS19785  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw of Weed (close to U.S. Highway 99) 1005 Comment
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  UC127333  Polygonum sawatchense subsp. sawatchense H. M. Hall and E. B. Babcock June, 1903 4049 Siskiyou near Sisson; Mount Shasta 1066 Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC109285  Polygonum shastense R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta. Comment
  RSA659528  Polygonum shastense Gary D. Wallace 1990-7-1 2948 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2256 Comment
  UC618626  Polygonum shastense W. Bridge Cooke 1938-8-18 11496 Siskiyou Horse Camp Slopes Mount Shasta Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  HSC2389  Polygonum spergulariiforme William J. Ferlatte 1966-8-18 431 Siskiyou Willow Creek Trail. 1707 Comment
  UC673174  Polypodium glycyrrhiza Lincoln Constance and Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region 457 Comment
  CHSC36  Polystichum imbricans V. Holt 1932-8-17 Siskiyou Spring Hill. 1219 Comment
  HSC79154  Polystichum imbricans C. J. Thomas 1983-10-1 104 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CHSC63313  Polystichum lemmonii Vernon H. Oswald; Lowell Ahart 1994-7-11 6404 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd, 26 ( to Mt. Shasta), W of Dunsmuir. 1777 Comment
  UC405222  Polystichum lemmonii J. G. Lemmon 1879-7-23 Siskiyou Scott Valley near Shasta Scott Valley Comment
  HSC92767  Polystichum lemmonii Jennifer Whipple 1976-7-23 1521 Siskiyou Dale Cr. drainage on N face of Mt. Eddy 2317 Comment
  UC1949221  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  HSC19182  Polystichum lonchitis J. O. Sawyer 1968-7-2 352 Siskiyou Upper Drainage of Joe Creek 1677 Comment
  HSC26110  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5681 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS50871  Polystichum lonchitis Al Hobart 1967-8-8 Siskiyou n face Preston Peak; Siskiyou Range, westernmost Siskiyou County 1828 Comment
  RSA693280  Polystichum lonchitis S. W. H. 1932-07 115 Siskiyou Somes Bar to Forks of Salmon River. Comment
  UC185199  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldredge's Canal; Russian Creek Comment
  SJSU6266  Polystichum munitum R. W. Trivelpiece 1971-8-23 75 Siskiyou W side of Scott River c. 6 mi SW of Scott Bar, Marble Mts. 914 Comment
  RSA693351  Polystichum scopulinum Anonymous 1913-8-26 s.n. Siskiyou Trail to Mt Eddy. 1372 Comment
  RSA693355  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CDA42312  Porterella carnosula T. C. Fuller 1960-6-3 s.n. Siskiyou Edge of Toad Lake, ca. 7 miles northeast of Bartle. 0 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  CDA16694  Potamogeton pectinatus G. F. Hrusa, M. Hooper 2001-7-1 15871 Siskiyou Klamath R.,ca. 1.5 mi. E of Ft. Goff Campground at Sluice Box river access. 350 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 Comment
  UC1560737 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2122 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC555306  Potentilla fruticosa D. Tebbe 1929-7-15 124 Siskiyou Mt. Eddy Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  UCR37851  Potentilla glandulosa subsp. nevadensis K. T. Stillman 1976-6-26 123 Siskiyou Marble Mountain Wilderness Area, near Bear Lake 1829 Comment
  RSA237862  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-22 598 Siskiyou Ridge between Diamond Lake and English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC128  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-18 423 Siskiyou Willow Creek Trail. 1707 Comment
  RSA105464  Potentilla gracilis var. flabelliformis M. S. Baker 1955-6-26 13085 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  CAS-BOT-BC144831  Potentilla rivalis Roxana S. Ferris; Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station onU. S. Highway 97 1554 Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC516393  Prosartes hookeri H. A. Thomas; J. H. Thomas 1954-7-22 4450 Siskiyou Near edge of Big Bend Creek, Salmon-Trinity Mts. about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 0.25-0.5 miles north of south Fork of Salmon River 975 Comment
  HSC67709  Prunella vulgaris subsp. lanceolata John Palmer 1980-7-24 609 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC29322  Prunella vulgaris subsp. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake outlet 1822 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158206  Prunus emarginata V. B. Whitehead 1963-7-5 s.n. Siskiyou McBride Springs (3 mi. nne. of Mt. Shasta City) 1371 Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC120  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat, near public camp 1524 Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  RSA75644  Prunus emarginata Albert M. Vollmer 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  SD76177  Prunus emarginata Helen Witham 1969-10-9 601 Siskiyou One mile above pine plantation. Thicket beside road at 5000ft. Sign 1500 Comment
  UC144435  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  UCD35440  Prunus emarginata Beecher Crampton 1956-8-21 3851 Siskiyou Sacramento River Canyon just above the north fork junction with the middle and south Forks. 1066 Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  CDA26217  Prunus virginiana var. demissa G. D. Barbe 1973-8-14 1705 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Inter State 5. Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC29358  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou Marble Mtn. Wilderness Area, along English Lake trail above Willow Spring 1677 Comment
  UCD113531  Prunus virginiana var. demissa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  UC896906  Pseudognaphalium thermale Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  UC650630  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9316 Siskiyou n end of Lava Beds National Monument Lava Beds National Monument Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  CHSC96101  Pseudostellaria jamesiana L. P. Janeway 2006-7-4 8796 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  HSC75250  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-27 4512 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS93903  Pseudostellaria jamesiana Vernon H. Oswald and Lowell Ahart 1998-8-3 9427 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UCD98436  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 6 Siskiyou Rail Creek, Plowman's Valley. 1203 Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  JEPS94101  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  UC17382  Ptelea crenulata Miss Edmonds 1890-7-21 Siskiyou Comment
  UC61046  Pterospora andromedea W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  JEPS107363  Puccinellia distans Lowell Ahart, John Dittes 2005-6-9 12002 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-BC228581  Purshia tridentata Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1936 Siskiyou Shasta Valley, about 11 km NE of Weed along U.S. Highway 97, just past road to Lake Shastina 1082 Comment
  HSC67754  Purshia tridentata var. tridentata J. O. Sawyer, J. Cole 1980-7-21 3862 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA48587  Purshia tridentata var. tridentata Philip A. Munz 1949-5-18 13311 Siskiyou 2 miles SW of Gazelle 1463 Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  HSC26566  Pyrola aphylla J. P. Smith, J. O. Sawyer 1972-8-20 5757 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC73238  Pyrola asarifolia subsp. asarifolia Gail Newton 1980-6-20 474 Siskiyou Near Bald Mtn. 1097 Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UC166593  Pyrola picta Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  JEPS84935  Pyrrocoma racemosa var. pinetorum Barbara Ertter 1987-7-26 7323 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3 at road junction, w of road) 1371 Comment
  UCD46153  Quercus garryana Edward Lee 1934-8-15 1126 Siskiyou Summit of Happy Camp- Waldo (one) Road. Indian Creek watershed. Klamath National Forest. 1615 Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  RSA639548  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6940 Siskiyou [No location information on label.] Comment
  UC164437  Quercus garryana var. breweri Geo. D. Butler 1908-8-8 232 Siskiyou Marble Valley Comment
  RSA293148  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC104340  Quercus sadleriana Baki Kasapligil 1981-6-26 6188 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
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Jun 23 2018
  CAS-BOT-BC104368  Quercus sadleriana Wayne Roderick 1981-7-4 s.n. Siskiyou Cook & Green Pass 1371 Comment
  HSC27079  Quercus sadleriana J. P. Smith, J. O. Sawyer 1972-9-13 5789 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC61936  Quercus sadleriana Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC67669  Quercus sadleriana John Palmer 1980-7-24 589 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  RSA13711  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Siskiyou Mountains: Yaynes Canyon, Mt. Diablo Mer. 1860 Comment
  SDSU6985  Quercus sadleriana D. F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback. 1524 Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104633  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou 6.77 mi (bi road) below the summit of Happy Camp-Waldo road Comment
  HSC69033  Quercus vacciniifolia Maralyn A. Renner 1980-7-28 2174 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC98342  Quercus vacciniifolia William J. Ferlatte 1967-7-8 671 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  RSA237831  Quercus vacciniifolia Frederick W. Oettinger 1969-8-22 1490 Siskiyou Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
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Dec 10 2015
  UC142567  Quercus vacciniifolia Dr. E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy 1432 Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC28662  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Marble Mtn. Wilderness Area, Salamander Pond near Abbott's Lake 1768 Comment
  RSA211131  Ranunculus eschscholtzii var. suksdorfii William J. Ferlatte 1967-7-26 758 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  HSC597  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC601  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  POM299039  Rhamnus californica Marion Ownbey 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  CHSC78530  Rhamnus californica subsp. occidentalis Vernon H. Oswald 2000-8-28 9959 Siskiyou Rock Fence Lake Road (40N18) on the edge of Rock Fence Creek. 1844 Comment
  RSA7821  Rhamnus purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N Fork Salmon River at Finley Camp. Comment
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Jan 25 2013
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  RSA78996  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-13 18184 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from Shasta (town of) to Castle Lake. 1524 Comment
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Jun 25 2012
  OBI55461  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  UC1333305  Rhododendron occidentale Dorothy Parker 1949-6-6 Siskiyou Salmon Mountain Range, French Creek French Creek; Salmon Mountain Range, French Creek 1371 Comment
  HSC68677  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1433 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC92540  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108772  Ribes cereum Alice Eastwood 1921-7-28 10896 Siskiyou Little Mount Hoffman. 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
  UC637111  Ribes lacustre Annetta Carter 1934-8-13 709 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  UC796505  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11803 Siskiyou s Callahan (on Scott Mountain Rd. at Mule Creek crossing) 1493 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  RSA0021105  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA0021107  Ribes lacustre Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1263 Siskiyou Stream at Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  CAS-BOT-BC173379  Ribes lobbii C. H. M. 1916-9-8 s.n. Siskiyou Black Butte, Calif. Nat'l. Forest Comment
  CAS-BOT-BC173386  Ribes lobbii Alice Eastwood; John Thomas Howell 1937-6-26 5034 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  CAS-BOT-BC173396  Ribes lobbii John Thomas Howell 1939-8-10 15285 Siskiyou Grindstone Camp, Canyon Creek, Marble Mts. Comment
  JEPS89033  Ribes lobbii Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  SBBG2762  Ribes lobbii H. and M. Dearing 1939-7-2 3799 Siskiyou Salmon Mtn summit 1981 Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0021630  Ribes lobbii M. B. Dunkle 1944-7-26 9040 Siskiyou Siskiyou National Forest. Comment
  JEPS22241  Ribes marshallii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6887 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SEINET5339459  Ribes marshallii G. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC199993  Ribes roezlii var. cruentum Alice Eastwood 1923-5-22 11897 Siskiyou Sisson, road to Mt. Shasta Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  SEINET10970387  Ribes roezlii var. roezlii Mary Merello 1993-6-23 Merello 701 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  CAS-BOT-BC168801  Ribes viscosissimum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC168807  Ribes viscosissimum Alice Eastwood 1912-7-19 1246 Siskiyou Mount Shasta Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 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
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  UC1871377  Rosa Barbara Ertter 2006-7-30 18748 Siskiyou Yreka Creek off Deer Creek Way at E edge of Yreka near Jct I-5 and Rt 3 762 Comment
  UC1871394  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
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  HSC29497  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake 1951 Comment
  RSA184749  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley,.Marble Mtns. 1829 Comment
  RSA237791  Rosa gymnocarpa Frederick W. Oettinger 1967-7-30 223 Siskiyou Outlet stream N end of Abbotts Lake, about 200 yards down from the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC60785  Rosa pisocarpa Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  RSA237589  Rubus lasiococcus Frederick W. Oettinger 1967-7-30 227 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC147978  Rubus leucodermis Wm. Bridge Cooke 1938-7-22 11351 Siskiyou Sisson Southern Trail - Mount Shasta 1676 Comment
  HSC36723  Rubus parviflorus Brent Whitely 1975-6-28 74 Siskiyou 915 Comment
  HSC68329  Rubus parviflorus Maralyn A. Renner 1980-6-26 1242 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM366427  Rubus parviflorus Bonnie C. Templeton 1960-6-21 8555 Siskiyou Near the summit of Scott Mtn. Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC157166  Rubus ursinus Alice Eastwood 1921-7-26 10863 Siskiyou Soda Creek Comment
  HSC48290  Rubus ursinus J. O. Sawyer, K. Stillman 1978-7-6 3295 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC99686  Rubus ursinus J. O. Sawyer 1969-6-12 893 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  HSC61453  Rudbeckia glaucescens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA237323  Rumex acetosella Frederick W. Oettinger 1967-6-29 119 Siskiyou Ride near Etna Summit on road from Etna to Sawyer Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  POM228880  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  UC119338  Salix laevigata var. congesta Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  UC482251  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  UC576374  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-22 869 Siskiyou beyond head of Big Flat (near S. Fork Salmon R.) 1615 Comment
  CAS-BOT-BC125153  Salix lasiandra var. lasiandra Grant 1902-9-11 5166 Siskiyou Sisson 1127 Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  JEPS77667  Salix lasiandra var. lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou near S. Fork Salmon River Big Flat (banks of river below campground); Trinity Alps 1508 Comment
  CAS-BOT-BC107079  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC482341  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC124895  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  LA208890  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-19 415 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1455.0 Comment
  POM219896  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1350 Comment
  CAS-BOT-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  CAS-BOT-BC126151  Salix scouleriana L. E. Smith 1913-3-28 614 Siskiyou Weed Comment
  CAS-BOT-BC126157  Salix scouleriana L. E. Smith 1914-3-1 s.n. Siskiyou Sisson near water tank of McCloud R.R. Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC129075  Salix scouleriana Elmer I. Applegate 1935-6-11 9511 Siskiyou East Base of Cinder Cone, near the southwest corner of the Lava Beds National Monument Comment
  UCD102291  Salvia dorrii var. pilosa Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  SEINET3154867  Sambucus canadensis G. D. Butler 1910-5-29 1425 Siskiyou Dry thicket near Yreka Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  CAS-BOT-BC236482  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-7-2 5414 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC223228  Sanicula bipinnatifida H. A. Thomas; J. H. Thomas 1954-7-21 4403 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC585155  Sanicula graveolens E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2004 Siskiyou about 1 1/2 mi w of Mount Shasta (above Sulloway Creek, Rainbow Ridge); Rainbow Ridge 1188 Comment
  UC648264  Sanicula graveolens John Thomas Howell 1939-8-2 14915 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  UC166119  Saponaria officinalis Geo. D. Butler 1908-7-9 1059 Siskiyou near Yreka Comment
  HSC60781  Saxifraga howellii V. Stansell 1968-7-8 Siskiyou Bell Echo (Bell Echo Camp) in Youngs Valley. Comment
  JEPS82426  Saxifraga integrifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  UC166559  Saxifraga mertensiana Geo. D. Butler 1908-8-8 222 Siskiyou Marble Valley Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  CHSC100002  Saxifragopsis fragarioides L. P. Janeway 2008-7-26 9506 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  POM354593  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CAS-BOT-BC445882  Saxifragopsis fragarioides C. G. Pringle 1883-9-1 s.n. Siskiyou Unspecified. Comment
  SEINET5717261 Image available Schoenoplectus americanus Philip E. Hyatt 2002-1 11141 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  UC1265460  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1290 Siskiyou around bog in meadow called Sundew Bog due e English Lake outlet (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou Co); Marble Mountain Wilderness Area, Salmon Mountains 1828 Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  UC61086  Sclerolinon digynum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mount Shasta Comment
  HSC68478  Scutellaria antirrhinoides Maralyn A. Renner 1980-6-8 812 Siskiyou Slopes N of Moffett Creek 945 Comment
  JEPS95654  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  RSA20157  Scutellaria antirrhinoides J. T. Howell 1937-7-21 13194 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  UC164005  Scutellaria siphocampyloides Geo. D. Butler 1908-6-29 175 Siskiyou Cherry Creek Comment
  RSA105428  Scutellaria siphocampyloides Douglas Barbe 1955-7-1 80 Siskiyou Steep rocky hill just behind Callahan to the north. 976 Comment
  RSA445344  Scutellaria siphocampyloides Bonnie C. Templeton 1960-6-21 8539 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CHSC118113  Sedum kiersteadiae Mary Ellen Colberg 2011-8-7 2 Siskiyou Mount Eddy: ridgeline. 2133 Comment
  HSC77356  Sedum lanceolatum var. lanceolatum L. P. Janeway 1982-6-27 28 Siskiyou SE side of Elk Creek 701 Comment
  JEPS96686  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  CHSC30311  Sedum obtusatum subsp. boreale M. S. Taylor 1980-7-8 3116 A Siskiyou W of Castle Lake, above Hearts Lake. 2016 Comment
  UC165976  Sedum obtusatum subsp. boreale Geo. D. Butler 1908-8-9 139 Siskiyou summit above Cold Spring Woolly Creek; summit above Cold Spring Woolly Creek Comment
  UC630383  Sedum obtusatum subsp. boreale Annetta Carter 1939-8-21 1467 Siskiyou 12 mi sw Etna (steep slope above se end Taylor Lake, Salmon Mountains); Salmon Mountains, Taylor Lake, sw of Etna 2164 Comment
  HSC26103  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC64660  Sedum oregonense Wm. Bridge Cooke 1968-7-18 88 Siskiyou Slope south above Castle Lake, 1889 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  RSA0083651  Sedum oregonense Clare B. Hardham 1961-7-1 8132 Siskiyou Siskiyou Mts. 1829 Comment
  JEPS77507  Sedum stenopetalum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4875 Siskiyou 7 air mi wsw of town Mt. Hebron (meadow 2 mi e of Bull Meadow); e of Bull Meadow, wsw of town of Mt. Hebron 1645 Comment
  POM25601  Selaginella densa var. scopulorum E. B. Copeland 1903-10-9 273 Siskiyou Mt. Eddy 1524 Comment
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Jan 23 2011
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  UCR124281  Selaginella wallacei L. C. Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine 903 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  UC711811  Senecio aronicoides Roxana S. Ferris and Laura Lorraine 1941-8-11 10505 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  RSA0013321  Senecio aronicoides A. E. Culbertson 94 Siskiyou near Forest Service Camp Grd., about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to n.e. 1524 Comment
  RSA0013322  Senecio aronicoides Geo D. Butler 1909-5-30 760 Siskiyou Humbug Mountain. 1220 Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  RSA155891  Senecio canus P. H. Raven 1962-5-30 17901 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  CAS-BOT-BC363644  Senecio fremontii var. occidentalis G. J. Muth 1969-8-10 1333 Siskiyou Red Mt. Ridge Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  UC1408878  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou n of Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC364438  Senecio triangularis Annie M. Alexander; Louise Kellogg 1949-7-19 5809 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC60778  Senecio triangularis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  HSC76691  Senecio triangularis K. T. Stillman 1976-7-30 311 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  RSA237444  Senecio triangularis Frederick W. Oettinger 1968-8-1 342 Siskiyou Wet meadow south of Hancock Lake. The Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2043 Comment
  UC1222981  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1949-9-15 18556 Siskiyou on road between Cecilville and Sawyer's Bar, near the summit Blue Ridge 1584 Comment
  HSC58913  Sidalcea malviflora subsp. nana Marvin Butler 1971-7-30 249 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1220 Comment
  HSC81547  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1980-7-21 6163 Siskiyou Along Forest Service Rd. 40N08, .6 mi. from junction with State Rte. 3 1646 Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  UC108900  Sidalcea oregana subsp. spicata T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  POM253298  Sidalcea oregana subsp. spicata A. A. Heller 1938-7-13 15268 Siskiyou About a mile S. of Bray 1402 Comment
  RSA95267  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-19 3779 Siskiyou Lairds Landing Comment
  CAS-BOT-BC181195  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  RSA17733  Silene douglasii Elmer I. Applegate 1935-6-8 9415 Siskiyou Indian Well; Lava Beds National Monument. Comment
  HSC642  Silene grayi William J. Ferlatte 1967-7-6 607 Siskiyou Dorleska summit. 2134 Comment
  UCSB27380  Silene grayi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  RSA215598  Silene lemmonii Gilbert Muth 1969-8-8 1297 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  HSC59820  Silene menziesii D. H. Norris 1968-7-28 2198 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  RSA59810  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  NY319455  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta. 1524.0 Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  CAS-BOT-BC365555  Solidago elongata L. E. Smith 1913-8-12 518 Siskiyou McCloud Comment
  CAS-BOT-BC339858  Solidago multiradiata Alice Eastwood 1912-8-30 2048 Siskiyou Mount Eddy Comment
  CDA7675  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  UC36526  Sonchus oleraceus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  POM366679  Sorbus scopulina var. cascadensis M. B. Dunkle 1944-7-8 9083 Siskiyou Deer Creek. 1890 Comment
  HSC77030  Spergularia rubra K. T. Stillman 1976-6-25 47 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA0097339  Spergularia rubra C. L. Hitchcock, J. S. Martin 1939-7-9 5334 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  JEPS46333  Spiraea douglasii W. L. Jepson 1940-7-3 20107 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC152550  Spiraea splendens L. E. Smith 1913-9-1 549 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  JEPS63083  Stachys ajugoides var. rigida W. L. Jepson 1894-7 21232 Siskiyou Sisson Comment
  SBBG126114  Stachys pilosa L. Ahart, J. Dittes 2010-7-30 16948 Siskiyou S edge of Shasta River, ca. 80 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  RSA211086  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-2 242 Siskiyou Trinity Alps. Big Flat. Wooded area near public camp. 1524 Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  SEINET12558110 Image available Stellaria calycantha F. W. Oettinger, R. F. Thomas 1969-1 1166 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area, above inlet to Hancock Lake. 1951 Comment
  CAS-BOT-BC375639  Stephanomeria lactucina Wm. Bridge Cooke 1938-7-29 11389 Siskiyou Mount Shasta. Howard Comment
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  HSC16332  Stephanomeria tenuifolia D. M. Thomson 1965-8-18 186 Siskiyou California Lava Beds National Monument; E slope of Caldwell Butte Comment
  HSC6226  Stephanomeria tenuifolia D. M. Thomson 1965-8-14 188 Siskiyou California Lava Beds National Monument; Caldwell Butte, on the S side Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC19243  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1552 Siskiyou S of High Lake 2210 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC58564  Stipa occidentalis var. occidentalis G. L. Clifton, Griswold 1979-7-26 10129 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC92557  Stipa occidentalis var. occidentalis Jennifer Whipple 1977-7-20 2004 Siskiyou Mt. Eddy, N slopes 2317 Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  UC1492822  Streptanthus tortuosus Freed W. Hoffman 1950-7-13 3383 Siskiyou on road to Indian Creek 0.4 mi from Baldy Lookout (w Siskiyou Co.) Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  UC137034  Streptanthus tortuosus var. orbiculatus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  CAS-BOT-BC516428  Streptopus amplexifolius John Thomas Howell; Gordon H. True 1972-6-8 48859 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  RSA210857  Suaeda calceoliformis R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-3 39041 a Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC269627  Symphoricarpos albus var. laevigatus D. K. Noyes 1911-9-29 30 Siskiyou Klamath National Forest Comment
  UC1045253  Symphoricarpos mollis var. acutus unknown 1940-8-2 15393 Siskiyou near Bear Springs meadow; Mount Shasta Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  HSC4014  Symphoricarpos rotundifolius var. rotundifolius R. C. Wunner 1965-8-21 468 Siskiyou California Lava Beds National Monument, 1/4 mile from Cinder Pit on Caldwell Butte. 1402 Comment
  UC223702  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3923 Siskiyou s end Lower Klamath Lake, (Willow Creek) Willow Creek Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  CAS-BOT-BC97882  Symphyotrichum eatonii Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC97884  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  JEPS40844  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou Bottoms Camp, Shackelford Creek Shackelford Creek 1371 Comment
  UCD86131  Taeniatherum caput-medusae P. B. Dickey 1940-5-26 954 Siskiyou Little Shasta Valley, near Little Shasta. Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  CAS-BOT-BC376787  Tanacetum parthenium Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka Comment
  CAS-BOT-BC376797  Tanacetum parthenium L. E. Smith 1914-7-3 731 Siskiyou Sisson Comment
  CAS-BOT-BC376856  Taraxacum Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC85242  Taxus brevifolia Doris K. Kildale 1925-9-6 1296 Siskiyou Mouth of Rodger Creek on Klamath River 274 Comment
  CAS-BOT-BC85244  Taxus brevifolia Doris K. Kildale 1929-7-20 8661 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  NY17404  Taxus brevifolia H. E. Brown 1897-6-1 323 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC399878  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to Lookout, Marble Mts. 1889 Comment
  RSA105451  Thelypodium brachycarpum Milo S. Baker 1955-6-26 13074 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  CDA25194  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  MACF002236  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27256 Siskiyou Castle Lake Comment
  JEPS54041  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek 1676 Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  UC1408896  Tolmiea diplomenziesii F. W. Oettinger 1969-8-9 1320 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (main North Fork trail, w Siskiyou County); Salmon Mountains 1356 Comment
  JEPS49719  Tolmiea menziesii W. L. Jepson 1937-7-30 18516 Siskiyou headwaters of the Illinois River, East Fork Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  SEINET6951471  Toxicodendron diversilobum M. K. Solecki, J. B. Taft 1986-9-9 2140 Siskiyou Along Scott River, near Indian Scotty campground. Comment
  HSC6293  Tragopogon dubius R. C. Wunner 1965-7-9 359 Siskiyou California Lava Beds National Monument; Crescent Butte. 0.1 mi. on road to Mammoth Crater from junction of road headquarters 1448 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd 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
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  OBI55486  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  HSC27625  Trientalis latifolia Carl W. Mize 1972-6-22 91 Siskiyou About 1 1/2 mi. from Offield Lookout 854 Comment
  JEPS101834  Trifolium cyathiferum Dean W. Taylor 1999-7-18 17277 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  HSC2319  Trifolium howellii Geo. D. Butler 1910-7-8 1689 Siskiyou Shackleford Creek 1220 Comment
  JEPS80509  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  UCR110583  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mtns., Clear Creek, 1 mi. below West Fork. 671 Comment
  HSC71359  Trifolium longipes J. P. Smith, Steve Selva 1970-7-17 4455 Siskiyou Below Kangaroo Lake. 1890 Comment
  UCD111256  Trifolium longipes AHM 1953-7-28 KNF 3 Siskiyou Trinity county line. Long Gulch Canyon. 1676 Comment
  UC630757  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy Comment
  UC163681  Trifolium longipes var. hansenii Geo. D. Butler 1900-6-5 1507 Siskiyou Shackleford Creek Comment
  JEPS65972  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  UC164238  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou upper end Quartz Valley Comment
  HSC36434  Trifolium productum J. O. Sawyer 1969-7-24 1478 Siskiyou SW of Sugar Lake 1890 Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  POM222616  Trifolium repens H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
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Mar 31 2006
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  RSA234826  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 956 Siskiyou Base of cliff southwest of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1768 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  CHSC70214  Trisetum spicatum Jennifer Whipple 1977-7-22 2046 Siskiyou Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2286 Comment
  UC1265476  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou on trail se Tom's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UCD94378  Trisetum spicatum J. M. Tucker 1963-8-19 3780 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UC1265674  Triteleia crocea Rolf Y. Berg 1980-6-25 Siskiyou on road from Seiad Valley to Cook and Green Pass; Klamath River Region, Horsetail Falls 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
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  NY64394  Tsuga mertensiana A. M. Carter 1939-8-21 1465 Siskiyou Abve southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2072.6 Comment
  RSA571786  Tsuga mertensiana L. C. Wheeler 1934-9-1 3237 Siskiyou Mud Springs, Middlehell Creek. 1890 Comment
  CAS-BOT-BC80252  Tsuga mertensiana subsp. grandicona Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  SEINET8360227  Utricularia minor Barbara L. Wilson 2011-8-23 16864 Siskiyou Fawn Creek meadows; a couple hundred yards downstream. 1879 Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CAS-BOT-BC228590  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1925 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  HSC22452  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1595 Siskiyou Above Horseshoe Lake 1921 Comment
  HSC7936  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou Near Paradise Lake, Salmon Mtn. 1982 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  UC917231  Vaccinium cespitosum R. Tofsrud and J. M. Tucker 1948-8-2 1766 Siskiyou s slope Mt. Shasta; , Panther Meadows 2407 Comment
  UC413098  Vaccinium deliciosum Jos. Grinnell 1911-6-22 174 Siskiyou Jackson Lake Comment
  HSC19114  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1924 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC19353  Vaccinium membranaceum J. O. Sawyer 1968-6-18 222 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  HSC98189  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1769 Siskiyou W of Little Duck Lake 2073 Comment
  POM210935  Vaccinium membranaceum L. C. Wheeler 1934-8-16 3162 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  HSC67630  Vaccinium parvifolium J. P. Smith, Steve Selva 1970-7-15 4352 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC199486  Vaccinium scoparium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake, Trinity Mts. 1828 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  UCD13278  Vaccinium scoparium K. F. Mawdsley 1996-7-9 12 c Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  RSA238863  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-1 1133 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS107659  Valerianella locusta Lowell Ahart, John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  UCD95093  Vancouveria hexandra AHM 1955-7-29 55 J Siskiyou Klamath National Forest. Clear Lake. 1798 Comment
  CHSC111071  Veratrum californicum Barbara L. Wilson; Julie K. Nelson 2011-8-22 16854 Siskiyou Meadow on a tributary of the Middle Fork Sacramento River at the end of Forest Service road 40N64A. 1969 Comment
  CAS-BOT-BC529108  Veratrum californicum John Thomas Howell 1939-8-10 15284 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC19090  Veratrum californicum var. californicum J. O. Sawyer 1969-8-4 1824 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC135747  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  UC1190161  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  SBBG27149  Verbascum blattaria L. C. Wheeler 1934-10-24 3347 Siskiyou Oak Knoll Ranger Station, Klamath River Comment
  HSC21168  Verbascum thapsus D. M. Thomson 1965-8-14 188 Siskiyou Lava Beds National Monument, near Mammoth Crater Comment
  UC882795  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts, Klamath River 670 Comment
  POM43384  Veronica copelandii Geo. D. Butler 1908-8-3 31 Siskiyou Log Lake, Shackleford Creek Comment
  UCD78079  Veronica wormskjoldii Robert E. Preston 2001-7-21 1719 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  SBBG15262  Vicia americana subsp. americana D. Myrick 1961-6-21 301 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  HSC42960  Vicia americana var. americana J. O. Sawyer, Ken Stillman 1976-5-30 2755 Siskiyou Along Specimen Creek. 915 Comment
  JEPS25538  Vicia americana var. americana Rimo Bacigalupi with Lincoln Constance 1959-6-16 7154 Siskiyou above and ne Mt. Shasta (town) (w slope of Mt Shasta); Mt. Shasta 1414 Comment
  JEPS75369  Vicia americana var. americana Geo. D. Butler 1908-8-4 401 Siskiyou Head of Shackleford Creek 1676 Comment
  UC585092  Vicia americana var. americana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 Siskiyou 2 mi s Yreka Comment
  UC618756  Vicia americana var. americana unknown 1938-6-24 11072 Siskiyou MacBridge Springs; Mount Shasta Comment
  UC618894  Vicia americana var. americana unknown 1938-7-22 11310 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC1733688  Viola Frank Gould, Kay H. Beach 1940-5-16 1251 Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  CAS-BOT-BC264070  Viola adunca Geo. D. Butler 1909-4-25 606 Siskiyou Quartz Valley Comment
  CAS-BOT-BC264071  Viola adunca Roxana S. Ferris; Laura Lorraine 1948-6-12 11755 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  HSC76628  Viola adunca K. T. Stillman 1976-6-26 117 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  CHSC29780  Viola adunca var. adunca M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2788 Siskiyou Bog around Cedar lake, peat mounds at lake edge. 1737 Comment
  SEINET185378 Image available Viola cuneata C. L. Hitchcock, J. S. Martin 1939-7-7 5271 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon. 1070 Comment
  UC722659  Viola cuneata C. L. Hitchcock, J. S. Martin 1939-7-7 5271 Siskiyou 13 mi s Takilma, Oregon; Sanger Peak Trail 1066 Comment
  HSC38822  Viola glabella J. P. Smith, Steve Selva 1970-6-15 3959 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC66221  Viola glabella Harley P. Chandler June, 1901 1705 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1524 Comment
  HSC43338  Viola glabella Maralyn O'Meara 1973-6-25 244 Siskiyou Along tributary to Ruffey Creek near hairpin turn in road to Etna from Sawyer's Bar, N of Etna Summit 1683 Comment
  RSA68863  Viola glabella A. E. Culbertson 1943-6-23 93 Siskiyou By the spring on E shore of Castle Lake, 5434', in a north facing cirque with an 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 airmiles of its headwaters to the west. Comment
  RSA60663  Viola hallii I. L. Wiggins 1950-5-28 12392 Siskiyou 0.3 mile W of Carmen Lake. 1707 Comment
  CAS-BOT-BC537119  Viola lobata Alice Eastwood 1922-10-18 11519 Siskiyou Shasta Springs Comment
  CAS-BOT-BC537176  Viola lobata Doris K. Kildale 1929-7-20 8623 Siskiyou South Fork Indian Creek to Ek Lick 1524 Comment
  UC1749439  Viola lobata subsp. lobata Milo S. Baker 1935-6-24 8050 Siskiyou just N of on Hwy 99 Dunsmuir Comment
  HSC60672  Viola macloskeyi Ruby Van Deventer Siskiyou Bear Meadow. Comment
  SEINET8896037  Viola nuttallii G. D. Butler 1910-4-21 1209 Siskiyou Oro Fino Comment
  HSC41088  Viola purpurea subsp. dimorpha J. O. Sawyer 1970-3-4 2074 Siskiyou N of Idlewild Campground 762 Comment
  UCSB27382  Viola purpurea subsp. integrifolia Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta Comment
  RSA256605  Viola purpurea subsp. quercetorum J. P. Smith 1974-5-25 7411 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC66210  Viola sheltonii Harley P. Chandler June, 1901 1650 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC796586  Viola sheltonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11767 Siskiyou about 6 mi from Etna (on forks of Salmon Road) 1676 Comment
  POM83875  Viola sheltonii Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka. Comment
  CAS-BOT-BC203115  Vitis californica Wm. Bridge Cooke 1940-6-20 15187 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  UC1019312  Vulpia microstachys var. ciliata Dorothy Parker 1953-4-29 Siskiyou near Callahan; Siskiyou Mountains 1188 Comment
  CAS-BOT-BC183748  Vulpia microstachys var. confusa Dorothy Parker 1951-5-23 517 Siskiyou [McConnahue] McConaughy Gulch, Scott Valley 914 Comment
  POM229941  Vulpia microstachys var. confusa L. C. Wheeler 1935-5-4 3457 Siskiyou Greenhorn Creek; Siskiyou mountains. 854 Comment
  RSA577536  Vulpia microstachys var. pauciflora L. C. Wheeler 1935-5-11 3482 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  POM198351  Vulpia microstachys var. pauciflora Geo D. Butler 1910-4-21 1281 Siskiyou Oro Fino Comment
  CAS-BOT-BC383239  Wyethia angustifolia Geo. D. Butler 1909-6-22 951 Siskiyou Goosenest foothills Comment
  HSC68387  Xerophyllum tenax Maralyn A. Renner 1980-6-26 1201 Siskiyou N edge of Flint Valley 1390 Comment
  HSC68990  Xerophyllum tenax Maralyn A. Renner 1980-7-28 2172 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC529183  Xerophyllum tenax Alice Eastwood 1921-7-24 10720 Siskiyou Castle Lake Comment
  RSA237898  Zigadenus venenosus var. venenosus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1172 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  RSA418528  Zigadenus venenosus var. venenosus Jerry A. Powell 1974-6-10 1149 Siskiyou 1 mile southeast of Bartle Comment



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