Search Results — 2000 specimen records retrieved (1371 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1001950  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan); Salmon Mountains 1828 Comment
  CAS-BOT-BC78130  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
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  RSA237423  Abies X shastensis Frederick W. Oettinger 1967-8-26 328 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC33944  Abies concolor J. P. Smith 1974-5-25 7432 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC36939  Abies concolor J. P. Smith 1974-5-26 7561 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  UC333504  Abies magnifica var. shastensis unknown 1891-11-12 Siskiyou near Mt. Shasta Comment
  JEPS84284  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  HSC31545  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west 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
  SD104870  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of California Highway 97 1830 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  RSA211200  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC58837  Achlys triphylla Marvin Butler 1971-7-8 57 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC260332  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  UCD50458  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou C. H. Haley prop., Rt. 1, Box 131-A, Yreka, Siskiyou County. Comment
  JEPS72979  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-27 20037 Siskiyou Mt. Shasta, e slope Mt. Shasta 1828 Comment
  SEINET232908  Achnatherum occidentale subsp. californicum L. R. Firestone 1983-8-11 8342 Siskiyou About 30 mi east of Mt. Shasta along CA 89 1341 Comment
  UCD51162  Achnatherum occidentale subsp. californicum A. H. Murphy 1959-7-21 59 D Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UC1100443  Achnatherum thurberianum Verne Grant and Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC29148  Achyrachaena mollis George Dexter Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  CHSC96730  Aconitum columbianum Gordon Leppig; Jennifer Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UC454474  Aconitum columbianum Ira J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake 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
  CAS-BOT-BC412616  Aconogonon alaskanum Doris K. Kildale 1929-8-24 9038 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  HSC78206  Aconogonon phytolaccifolium L. P. Janeway 1983-7-24 449 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  RSA166283  Actaea rubra subsp. arguta Donald Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt. Shasta. 1677 Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC29322  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  OBI80258  Adenocaulon bicolor David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  POM56894  Adenocaulon bicolor E. B. Copeland 1903-9-5 3925 Siskiyou Foot of Mt. Eddy 1189 Comment
  CAS-BOT-BC68954  Adiantum aleuticum Peter H. Raven 1956-9-5 10452 Siskiyou North Fork of Sacramento River 2194 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  UCD124874  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou pahoehoe lava at entrance of lava cave; Lava Beds National Monument. Comment
  SEINET3151422  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS60251  Ageratina occidentalis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2318 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Road, on n side of the Mccloud River arm of Lake Shasta) 487 Comment
  CAS-BOT-BC21373  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Upper meadows of Marble Valley Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  JEPS36234  Agoseris grandiflora var. grandiflora W. L. Jepson 1940-6-28 20052 Siskiyou McCloud McCloud 975 Comment
  JEPS36375  Agoseris grandiflora var. grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento region Comment
  UC1222759  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1949-9-15 18555 Siskiyou 5 mi ne, 1.5 mi up Taylor Creek from mouth (branch of E Fk of S Fk Salmon R) Cecilville; S. Fork Salmon River, Taylor Creek 914 Comment
  HSC67989  Agoseris heterophylla J. P. Smith 1974-5-25 7374 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC13469  Agoseris retrorsa Alice Eastwood 1923-5-18 11834 Siskiyou Shasta Springs Comment
  RSA585078  Agrostis exarata L. C. Wheeler 1934-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1265415  Agrostis exarata F. W. Oettinger 1968-9-7 755 Siskiyou north shore line of lake Salmon Mountains, Hancock Lake 1935 Comment
  UC53498  Agrostis exarata W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD52795  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -A Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC22421  Agrostis pallens J. O. Sawyer 1969-7-25 1526 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC30511  Agrostis pallens Frederick W. Oettinger 1968-9-1 637 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake, on rocks and in rock crevices 1723 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
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET7594122 Image available Agrostis pallens Frederick W. Oettinger 1969-1 1411 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, northeast of Wiregrass Meadows near English Lake Basin 1676 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  CAS-BOT-BC138357  Aira caryophyllea var. caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mountains. Horse Creek. 762 Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC462988  Allium bolanderi L. B. Kildale 1930-6-1 9704 Siskiyou Salmon River at Crapp Creek Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  CAS-BOT-BC472981  Allium membranaceum Volney Rattan 1879-6-10 s.n. Siskiyou Klamath Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  HSC30918  Allium siskiyouense Melinda F. Denton 1973-6-27 2797 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  CAS-BOT-BC171409  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  HSC4971  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-7-23 602 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA13913  Alnus incana subsp. tenuifolia L. C. Wheeler 1934-9-2 3241 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  RSA183479  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  CAS-BOT-BC169637  Alnus rhombifolia Carl B. Wolf 1927-8-26 1042 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  HSC68527  Alnus rhombifolia Maralyn A. Renner 1980-6-24 1026 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  RSA238552  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, near Base Camp along the trail between Diamond and Hancock Lakes. 2012 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  JEPS125961  Alyssum alyssoides D. W. Taylor 1997-6-11 16044 Siskiyou Headwaters of Moffett Creek, Scott river drainage, at head of Sissel Gulch Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  HSC26934  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4823 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC46170  Ambrosia artemisiifolia Jennifer Whipple 1978-8-22 2446 Siskiyou Scott Valley along the Island Road 793 Comment
  HSC22281  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer 1969-7-3 1046 Siskiyou Above Lipstick Lake 1951 Comment
  HSC29362  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  HSC99677  Amelanchier pallida G. L. Clifton, Terry Griswold 1979-6-28 6109 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS126017  Amelanchier pallida E. T. Doucette 2013-5-20 13 -129 Siskiyou Greenhorn Road, Yreka, 8.8 miles from business district. Comment
  CAS-BOT-BC136883  Amelanchier utahensis T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1432 Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC136886  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1859 Comment
  CAS-BOT-BC136905  Amelanchier utahensis Alice Eastwood 1912-7-15 1081 Siskiyou McCloud Comment
  UC144390 Image available Amelanchier utahensis A. A. Heller 1905-6-5 7970 Siskiyou between Shasta Retreat and Shasta Springs; ; between Shasta Retreat & Shasta Springs, Siskiyou Co. Comment
  UC166492  Amelanchier utahensis Geo. D. Butler 1908-5-30 493 Siskiyou Humbug Mountain Comment
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  RSA696900  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  CHSC1423  Anemone deltoidea V. Holt 1941-6-1 Siskiyou Siskiyou Mountains. 1524 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
  POM365633  Anemone deltoidea M. B. Dunkle 1944-6-25 9000 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA238285  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1736533  Anemone drummondii Dean W. Taylor 1972-7-4 1606 Siskiyou near Lily Pad Lake, Cook and Green Pass region 1981 Comment
  UC199534  Anemone drummondii Annie M. Alexander and L. Kellogg 1911-8-14 320 Siskiyou Mt. Eddy Comment
  UCR37569  Anemone drummondii L. Linstedt, C. Houseman, M. A. Strull 1984-5-27 62 Siskiyou 0.7 miles from Hwy 3 on road 40N OB 1677 Comment
  POM270535  Anemone drummondii C. L. Hitchcock 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  CHSC1428  Anemone occidentalis V. Holt 1932-7-10 Siskiyou Mount Eddy. 2133 Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  HSC29191  Angelica tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou Marble Mountain Wilderness Area, High Lake Basins: 0.1 mi E of Tom Taylor Cabin 2012 Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  CAS-BOT-BC59157  Antennaria dimorpha Roxana S. Ferris; Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  UC904777  Antennaria geyeri unknown 1949-8-29 25675 Siskiyou above Bolam Station; Mount Shasta 1828 Comment
  JEPS84310  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road end area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  UC1409471  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou between Charmaine Lake and Abbott's Lake; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1859 Comment
  JEPS109705  Antennaria media subsp. media Dean W. Taylor 2002-7-20 18267 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC79905  Antennaria microphylla Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  UCD159821  Antennaria racemosa G. Ledyard Stebbins 1972-7-3 9006 Siskiyou Summit of Cook and Green Pass. 8 miles north of Seiad Valley. (Exact location unknown. Coordinates estimated by label maker.) 1463 Comment
  JEPS82732  Antennaria racemosa Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 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
  HSC21988  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-7 1085 Siskiyou Little Duck Lake 2881 Comment
  HSC2255  Antennaria rosea subsp. rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake Comment
  HSC25422  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5665 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  RSA371501  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou Gazelle-Callahan Road, 2.5 miles NE of Hwy. 3. 1052 Comment
  HSC58843  Apocynum androsaemifolium Marvin Butler 1971-7-27 201 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SBBG15616  Apocynum androsaemifolium D. Myrick 1961-6-20 292 Siskiyou Old McCloud Rd to Bear Springs just E of Mt Shasta City 1097 Comment
  RSA45334  Apocynum cannabinum Dorothy Parker 1947-7-14 s.n. Siskiyou In Howman s Valley 1204 Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  SEINET10536307  Aquilegia formosa Linstedt 1984-5-27 LINSTEDT 68 Siskiyou T44n,r11w,sec.26, indian scotty campground, found on n-facing slope near Ceanothus and mitella. Corolla orange with yellow center 701 Comment
  RSA10343  Aquilegia formosa var. truncata H. A. Barker 1926-05 574 Siskiyou [Unspecified] Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0125745  Arabis breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  HSC22397  Arabis divaricarpa J. O. Sawyer 1969-7-24 1469 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC22437  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-2 1013 Siskiyou Slope above Big Blue Lake 2256 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC6538  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 93 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS48992  Arceuthobium Geo. D. Butler 1908-7-19 271 Siskiyou Humbug Creek Comment
  CAS-BOT-BC407791  Arceuthobium campylopodum William Bridge Cooke 1938-9-2 11593 Siskiyou Sisson Southern Trail, Mount Shasta 1371 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
  UC375254  Arceuthobium campylopodum Geo. D. Butler 1908-8-4 270 Siskiyou Shackleford Creek Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  CAS-BOT-BC410043  Arceuthobium cyanocarpum William Bridge Cooke 1963-7-10 34280 Siskiyou E of Bolam Creek Canyon, N side of Mount Shasta 2438 Comment
  SEINET2140127  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness. 1730 Comment
  SEINET8530038  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -42 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CDA6782  Arctium minus Bill Huse 1958-9-6 1214 -58 Siskiyou Meiss Ranch, Macdoel. 0 Comment
  CAS-BOT-BC102215  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Klamath National Forest. Dutch Creek 701 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  HSC43027  Arctostaphylos manzanita J. O. Sawyer, Ken Stillman 1976-7-2 2800 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC39987  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy. above Dobkins Lake. 2133 Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  HSC69014  Arctostaphylos nevadensis Maralyn A. Renner 1980-7-24 2027 Siskiyou Lily Pad Lake 1768 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  JEPS49476  Arctostaphylos nevadensis B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  CAS-BOT-BC46461  Arctostaphylos patula Louis C. Wheeler 1935-3-31 3413 Siskiyou S. of Wintoon Butte., w. of Mt. Shasta. 1188 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  CAS-BOT-BC46706  Arctostaphylos patula Howell 1889-4-13 1378 Siskiyou Near the Klamath River. Comment
  HSC29317  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, N end of Hancock Lake 1936 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
  RSA785506  Arctostaphylos patula Doris Bowers 1972-9-1 1890 Siskiyou Glass Mt., S/o Lava Beds National Mon. 1829 Comment
  SEINET3106997  Arctostaphylos patula Steve Selva, Roger Jensen 1974-8-16 9 Siskiyou Dry, south facing Chaparral slopes above Sugar Lake. Comment
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  CAS-BOT-BC46438  Arctostaphylos patula C. Hart Merriam 1910-10-4 s.n. Siskiyou Klamath River, 5 mi. below Hancock. Comment
  POM131596  Arctostaphylos viscida subsp. viscida Edward L. Greene 1903-7-14 3519 Siskiyou Klamathon. Comment
  POM367491  Arctostaphylos viscida subsp. viscida Geo L. Moxley 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  POM101419  Arenaria congesta Geo. D. Butler 1910-6-5 1514 Siskiyou Shackleford Creek near Log Lake Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  RSA417122  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass road. Comment
  UC1299272  Arnica cernua Freed W. Hoffman 1950-7-13 3547 Siskiyou Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  UC134172  Arnica discoidea Dr. E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1310 Comment
  CHSC95117  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  UC166159  Arnica mollis Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek 1219 Comment
  UC195205  Arnica nevadensis Annie M. Alexander and L. Kellogg 1911-6-28 204 Siskiyou Wildcat Pk. 2194 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  JEPS24419  Arnica viscosa P. A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows; Mt. Shasta, Panther Meadows 2529 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  UC166156  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 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
  UC1119476  Artemisia tridentata subsp. tridentata H. A. Jensen 1933-7-29 336 Siskiyou 2 mi n Garrick Creek; Dunsmuir Quadrangle, Shasta Valley 883 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET11163156 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  SEINET11165203 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400593  Asarum caudatum L. E. Smith 1914-5-5 650 Siskiyou Sisson Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  CAS-BOT-BC400596  Asarum caudatum W. R. Dudley 1901-8-22 s.n. Siskiyou E. slope of Foxtail Ridge, Salmon Mountains Comment
  JEPS49837  Asclepias cordifolia Geo. D. Butler 1908-8-1 79 Siskiyou Forest House road Comment
  SBBG30592  Asclepias cordifolia D. Myrick 1968-6-27 2041 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  CHSC53  Aspidotis densa V. Holt 1932-7-29 Siskiyou Mt. Eddy. 2438 Comment
  SEINET5338519  Aspidotis densa M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  CAS-BOT-BC99215  Aster Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest - Walker 518 Comment
  RSA0000901  Aster copelandii E. B. Copeland 1903-9-7 3687 Siskiyou Mt. Eddy. 2744 Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  UCR37820  Aster ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn., Scott Bar 15' Q. Comment
  CAS-BOT-BC178819  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  UC144161  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  RSA126271  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  CAS-BOT-BC66020  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  UC185243  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC66199  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1934-8-10 3094 Siskiyou Jaynes Canyon, Siskiyou Mts. 1371 Comment
  UCD169487  Atriplex hortensis Louis C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  UC725959  Atriplex rosea A. A. Heller 1925-7-25 13902 Siskiyou Shasta Valley near Gazelle; Shasta Valley near Gazelle Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  CAS-BOT-BC100051  Balsamorhiza hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  HSC60836  Barbarea orthoceras Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  POM210921  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  UC472300  Berberis nervosa Milo S. Baker July 1899 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  CHSC110645  Betula occidentalis Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side of Scott Mountain. Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC127940  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  POM351059  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC15794  Boechera acutina Doris K. Kildale 1928-8-20 6623 Siskiyou Hancock Look Out - on trail to Marble Mountain. 2151 Comment
  UC162611  Boechera acutina Harley P. Chandler Jun 1901 1630 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC16046  Boechera breweri subsp. shastaensis J. H. Thomas 1954-5-14 4175 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  CAS-BOT-BC25423  Boechera retrofracta L. E. Smith 1913-4-26 127 Siskiyou Dunsmuir. Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  JEPS85500  Boechera rollei Wayne E. Rolle 1985-8-27 Siskiyou near Lilypad Lake (and Kangaroo Mt., Red Butte) 1767 Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou Shackleford Creek. 1219 Comment
  CAS-BOT-BC25881  Boechera subpinnatifida John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53440 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  POM256467  Boisduvalia densiflora var. densiflora Edward Lee 1934-8-10 1017 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  UC1925601  Botrychium simplex Alan R. Smith with Joan Smith 2008-7-27 2922 Siskiyou Mount Shasta, Upper Panther Meadows; N 41.21.355, W 122.11.974 to N 41.21.374, W 122.11.955 Comment
  JEPS104442  Botrypus virginianus Martin J. Lenz 2003-8-1 36 Siskiyou approx 1.2 air mi WSW of Mott Airport, Dunsmuir 1048 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  UC165931  Boykinia major Geo. D. Butler 1908-8-2 217 Siskiyou Shackleford Creek Comment
  UCR101155  Boykinia major L. C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mtns., Head of Hell's Canyon 993 Comment
  HSC63260  Boykinia major M. A. Baker 1979-7-30 1079 Siskiyou Draw W of trail to Rainy Lake Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  UCD59199  Bromus carinatus var. marginatus Geo. D. Butler 1908-7-3 486 Siskiyou Near Yreka. Comment
  HSC100248  Bromus diandrus J. P. Smith, & J. O. Sawyer 2010-5-2 12800 Siskiyou River access road, on the Salmon River. 164 Comment
  UCD59486  Bromus diandrus P. B. Kennedy 1923-7-29 s.n. Siskiyou By Camp Sisson. Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  CAS-BOT-BC162473  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek & Klamath River. 502 Comment
  UC70747  Bromus laevipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM363433  Bromus marginatus M. B. Dunkle 1945-1 9214 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  POM115034  Bromus marginatus Geo D. Butler 1910-7-3 1622 Siskiyou Goose nest foothills 1220 Comment
  HSC42894  Bromus orcuttianus Ken Stillman 1976-8-15 410 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC67810  Bromus orcuttianus J. O. Sawyer, J. Cole 1980-7-22 3958 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC162132  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC185599  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud. Comment
  RSA60714  Bromus tectorum var. glabratus I. L. Wiggins 1950-5-27 12356 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  RSA751886  Bromus vulgaris P. M. Peterson, J. M. Saarela, C. J. Sears 2006-8-7 19729 Siskiyou Port Orford Cedar Botanical Area, Klamath National Forest. 1168 Comment
  HSC91982  Calamagrostis breweri Jennifer Whipple 1977-7-20 2006 Siskiyou N slopes of Mt. Eddy 2287 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237961  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 -b Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237991  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC454377  Calocedrus decurrens I. J. Condit 1909-8-25 Siskiyou Sisson Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  CHSC96100  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  SEINET8233948  Calochortus macrocarpus Frank Callahan 1993-9-7 Siskiyou County Rd. A-12; JUNIPER FLAT 7.5' QUAD 840 Comment
  SEINET10469598 Image available Calochortus monanthus Edward L. Greene 1876-6-24 Greene 887 Siskiyou Near Yreka. 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
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  CAS-BOT-BC494016  Calochortus tolmiei Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  UC9024  Caltha biflora Harley P. Chandler June, 1901 1571 Siskiyou Near Marble Mountain; North Coast Ranges. 1828 Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  UCD129884  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  CAS-BOT-BC160903  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17900 Siskiyou U. S. Highway 97, 14 miles south of Macdoel Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  SEINET10463100  Campanula prenanthoides Muth 1976-7-27 MUTH s.n. Siskiyou Near Twin Valley, on the Preston Peak quadrangle; close to the town of Happy Camp 1646 Comment
  UC61038  Campanula prenanthoides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River Comment
  RSA238411  Campanula prenanthoides Frederick W. Oettinger, R. F. Thorne 1969-8-5 1198 Siskiyou On SE- facing slope along the trail between Abbots Upper Cabin and English Lake, just above Willow Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10938999  Campanula prenanthoides James D. Culbertson 1943-8-1 Culbertson 42 Siskiyou CASTLE LAKE, 14 MI SW MT SHASTA, N SIDE E SPUR TRINITY MTS 5434', N FACING CIRCUE W/ ABRUPT 1000' BACKWALL 1656 Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  UCD66987  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  SEINET10463789  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou Near Sisson Comment
  CHSC29295  Campanula wilkinsiana J. D. Prouty 1979-8-14 79 .40 Siskiyou Creekside, Cold Creek, e slope of Mt. Shasta. 1889 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  POM369314  Cardamine Chadwick, Mrs Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC37231  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek 2743 Comment
  CAS-BOT-BC37232  Cardamine bellidifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2187 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  RSA297045  Cardamine cordifolia var. lyallii John F. Emmel 1974-7-21 521 Siskiyou Meaadows 0.2 air mile N of N end of lower Wright Lake, Marble Mtn Wildernes area. 2073 Comment
  CAS-BOT-BC18392  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC19767  Carex abrupta John Thomas Howell 1939-8-2 14934 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC29660  Carex abrupta Frederick W. Oettinger, R. F. Thorne 1969-8-6 1260 Siskiyou Marble Mtn. Wilderness Area, lower pond, Tom's Lake 1951 Comment
  NY25676  Carex amplifolia H. E. Brown 1897-6-1 319 Siskiyou Near Sisson 1082.0 Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CHSC40184  Carex aquatilis var. aquatilis L. P. Janeway 1982-8-21 167 Siskiyou From the upper Twin Valley meadow. 1584 Comment
  HSC82356  Carex athrostachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4521 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS63764  Carex athrostachya B. C. Goldsmith 1916-9-29 32 Siskiyou Lava ash-pumice, Medicine Lake. Comment
  CHSC40138  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou On rock bluff above Klamath R, e side, near Independence Cr Br. 274 Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SD71330  Carex breweri B. B. Chistman 1966-7-4 Siskiyou Mt. Shasta. 3657 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  CHSC98367  Carex echinata subsp. echinata Thomas W. Nelson; Jane P. Nelson 1984-7-28 7708 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  SEINET7557949 Image available Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-7 2333 Siskiyou Shasta National Forest, E of China Mountain, beside a trail from Deadfall Creek Meadows to Stewart Springs. 1890 Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  CAS-BOT-BC20748  Carex fracta W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  CAS-BOT-BC20466  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou In the meadow at Medicine Lake. 2133 Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  CHSC40188  Carex hassei Lawrence Janeway 1983-8-6 489 Siskiyou At Poker Flat. 1524 Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  HSC39374  Carex jonesii J. O. Sawyer 1968-7-10 510 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CHSC113777  Carex klamathensis Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest, along road 41N03, about 1.5 miles from road 2H001. 1591 Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  HSC33993  Carex lenticularis var. lipocarpa J. P. Smith 1974-5-25 7482 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC82375  Carex luzulina Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4528 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1950133  Carex luzulina Barbara Ertter 1990-7-14 9350 Siskiyou E-facing hillside; just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 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; steep N-facing rocky slope Comment
  CAS-BOT-BC31674  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  RSA237363  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  HSC39081  Carex mendocinensis D. H. Norris 1970-5-23 12235 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC31836  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC109970  Carex multicaulis Peter F. Zika; Julie Nelson 2012-6-21 25903 Siskiyou South Fork Willow Creek, 8.4 air km NE of Gazelle Mountain, Shasta-Trinity National Forest. Klamath Range (KR). 1145 Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  HSC76810  Carex multicostata L. P. Janeway 1982-8-13 130 Siskiyou Along trail S from Bear Lake 1890 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  JEPS63628  Carex nebrascensis Geo. D. Butler 1909-6-13 808 Siskiyou Oro Fino Comment
  HSC29655  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lower Pond 1951 Comment
  UC143741  Carex nudata Copeland 1903-7-4 3541 Siskiyou Klamathon Pacific Coast Comment
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC119246  Carex pachystachya William Bridge Cooke 1939-7-21 13732 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 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
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  CAS-BOT-BC118215  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, on S side of and above S Fk Indian Cr. 1463 Comment
  HSC60839  Carex rostrata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC76835  Carex rostrata L. P. Janeway 1982-8-21 166 Siskiyou SE facing slope in Twin Valley 1524 Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS121651  Carex scabriuscula Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  HSC39284  Carex scopulorum J. O. Sawyer 1969-7-11 1327 Siskiyou S Sugar Creek 1829 Comment
  CAS-BOT-BC118225  Carex scopulorum var. bracteosa Doris K. Kildale 1929-8-25 9111 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CHSC113797  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountian. Klamath Range. (KR) 1000 Comment
  CAS-BOT-BC117250  Carex spectabilis John Thomas Howell 1937-7-25 13479 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  CAS-BOT-BC115834  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS109253  Carex whitneyi D. W. Taylor 2005-7-12 19382 Siskiyou Antelope Creek, along unnamed tributary that drians from Rainbow Mountain, just upstream from the crossing of Forest road 42N16. Comment
  UC1540249  Carex whitneyi Dean W. Taylor 1987-6-23 9048 Siskiyou McCloud River drainage 1219 Comment
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  POM253596  Cassiope mertensiana subsp. ciliolata C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-11 5395 Siskiyou South shore of Upper Canyon Creek Lake, 11 mi. north of Dedrick, Salmon-Trinity Mts. 2439 Comment
  JEPS45563  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 146 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  JEPS9785  Castilleja applegatei subsp. pinetorum W. L. Jepson Jul 24 1894-Aug 10 1894 21481 Siskiyou Sisson Comment
  UC722238  Castilleja applegatei subsp. pinetorum C. L. Hitchcock and J. S. Martin 1939-7-9 5327 Siskiyou 0.5 mi se King's Castle; Marble Mts. Comment
  HSC602  Castilleja arachnoidea William J. Ferlatte 1967-7-26 749 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC97800  Castilleja arachnoidea Thomas W. Nelson, Shauna Hee 2006-8-4 9475 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  JEPS3809  Castilleja arachnoidea Willis L. Jepson 1894-8-4 21366 Siskiyou Horse Camp Mt. Shasta Comment
  HSC76698  Castilleja glandulifera K. T. Stillman 1976-8-9 218 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  HSC20548  Castilleja linariifolia D. M. Thomson 1965-8-7 172 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  CAS-BOT-BC253618  Castilleja miniata Doris K. Kildale 1928-8-19 6579 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  JEPS84008  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6310 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  JEPS66323  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi n of Deer Lodge (n of Weed)) 1463 Comment
  JEPS86190  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi ne of Deer Lodge (n of Weed)) 1463 Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  RSA261373  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA0001038  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  UC635520  Ceanothus cuneatus var. cuneatus Dorothy Tebbe 1929-7-15 119 Siskiyou Mt. Eddy Comment
  HSC60307  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-14 3891 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  HSC96808  Ceanothus integerrimus S. Lyon 2006-6-9 5 Siskiyou E side of Eddy Gulch, 3 mi S of the intersection with Sawyers Bar Rd. 915 Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  UC164400  Ceanothus integerrimus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath Hills Comment
  UCD111994  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Siskiyou Along Highway 89, 0.5 mile east of South Mount Shasta Blvd., south of Mount Shasta. 1066 Comment
  CAS-BOT-BC53087  Ceanothus prostratus W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  POM85302  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest Foothills. Comment
  UCD13257  Ceanothus prostratus K. F. Mawdsley 1996-7-9 11 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 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
  UC455427  Ceanothus velutinus I. J. Condit 1911-7-5 Siskiyou Mount Bradley near Shasta Retreat; Mount Bradley Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  CAS-BOT-BC52842  Ceanothus velutinus var. velutinus A. A. Heller 1919-6-27 13252 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  UC618737  Ceanothus velutinus var. velutinus W. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CDA21534  Centaurea X moncktonii B. Villegas 2001-7-8 s.n. Siskiyou Northern California; Indian Creek Bridge near Happy Camp. 0 Comment
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  UCD130114  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 b Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  CAS-BOT-BC106030  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Farmed areas and waste ground, 200 aggregate acres over 400 gross acres, Hawkinsville, just n. of Yreka Comment
  SEINET10741267 Image available Centaurium trichanthum Edward L. Greene 1876-8-5 Greene 964 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC288797  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  CAS-BOT-BC288802  Centromadia fitchii L. E. Smith 1913-6-25 405 Siskiyou Yreka Comment
  UC165423  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 Comment
  SJSU2588  Cephalanthera austiniae H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC384984  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC384986  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  RSA157734  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 miles E of Montague. Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC68011  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4071 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC207629  Cercis occidentalis Carl B. Wolf 1927-8-27 1154 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  CAS-BOT-BC135402  Cercocarpus betuloides var. betuloides Carl B. Wolf 1927-8-26 1032 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  RSA60635  Cercocarpus ledifolius I. L. Wiggins 1950-5-28 12377 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  POM316818  Cercocarpus ledifolius Patricia Wilder 1965-9-29 4191 Siskiyou Lava Beds National Monument at campground, Tule Lake 1372 Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  UC193158  Chaenactis suffrutescens M. K. Curran 1887-6-1 Siskiyou Edgewood Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
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Feb 10 2013
  SEINET515846  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC54566  Chamaesaracha nana H. M. Hall and E. B. Babcock Jun 1903 4041 Siskiyou Sisson; Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CDA4788  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). . 0 Comment
  RSA480966  Chamaesyce maculata L. C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  OBI53600  Chamerion angustifolium Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Natl Forest, S of Mt Shasta (T40N, S3W, E1/2 sec 8) 1768 Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  HSC19502  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-23 1169 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC36743  Chamerion angustifolium subsp. circumvagum Brent Whiteley 1975-6-22 26 Siskiyou 220 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC68210  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - siskiyou-Del Norte County line. 1868 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  UC1216706  Chenopodium album W. B. and V. G. Cooke 1962-8-19 33545 Siskiyou in clearings along Memorial Highway; Mt. Shasta Comment
  UC163671  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou along creek near Yreka Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  UC637128  Chenopodium pumilio Edward Lee 1934-8-15 1129 Siskiyou summit of Happy Camp to Waldo (OR) road Klamath National Forest, Indian Creek watershed 1615 Comment
  SJSU15098  Chenopodium rubrum C. W. Sharsmith 1992-9-17 9245 Siskiyou 1225 Comment
  CLARK-A1528-7840  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  UCR90894  Chimaphila menziesii Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  SD53384  Chimaphila umbellata Darley F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., damp hillside Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  CDA3721  Chorispora tenella G. Deal 1967-4-25 Siskiyou Blair Smith property, Lower Shasta Road, Montague. 0 Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  HSC30271  Chrysolepis sempervirens William J. Ferlatte 1971-9-19 1385 Siskiyou NW side of Caribou Mtn. 2073 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  RSA594178  Chrysothamnus nauseosus subsp. albicaulis S. O. Mattoon 1978-9-23 47 Siskiyou Shasta Valley, Stewart Springs Road; vicinity of Weed 854 Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  SEINET7451000 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus G. D. Butler 1910-7-20 1731 Siskiyou Goosenest foothills 1524 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CDA35789  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  JEPS16945  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou along streams near North Fork of the Sacramento River 2194 Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC288008  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  OBI54136  Cirsium occidentale var. candidissimum David J. Keil, Kathleen Keil 1992-7-24 23558 Siskiyou 2.8 mi NE of Hwy 3 on Gazelle-Callahan rd Comment
  POM127133  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 miles below Hornbrook Comment
  SEINET8198345 Image available Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca. 1 mile North from Carter Meadow Summit (8 miles Southwest of Callahan) 1981 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC1034589  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC930739  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview Scott Valley 883 Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1408915  Clarkia rhomboidea Frederick W. Oettinger and R. F. Thorne 1969-8-5 1212 Siskiyou above Willow Spring (near English Lake Trail); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCR131590  Clarkia rhomboidea L. C. Wheeler 1934-6-19 2740 Siskiyou Siskiyou Mtns., North Hungry Creek 1098 Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  HSC16271  Clarkia stellata R. C. Wunner 1965-6-6 198 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  HSC43839  Claytonia exigua subsp. exigua Maralyn O'Meara 1974-5-27 495 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  UC1258457  Claytonia palustris Maralyn A. Renner 1980-7-14 1718 Siskiyou headwaters of Etna Creek Klamath National Forest, Etna Quad., Etna Creek (near road at switchback) 1706 Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC165441  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou near Yreka Comment
  SEINET5336363  Claytonia parviflora subsp. parviflora G. Butler 1910-5-8 1305 Siskiyou Damp shaded soil near Yreka Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  HSC4459  Claytonia rubra subsp. rubra William J. Ferlatte 1967-6-5 495 Siskiyou Big Flat, near public camp 1524 Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  CAS-BOT-BC443822  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  HSC22226  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 991 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC4462  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake Basin 1677 Comment
  RSA232527  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps. 1463 Comment
  SFV1150  Claytonia sibirica D. Parker 1949-5-26 122 Siskiyou Salmon Mountains. Along the banks of Wildcat Creek. 1220 Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  CHSC1441  Clematis ligusticifolia 1937-8-1 Siskiyou Mt. Shasta. 1219 Comment
  UC61655  Clematis ligusticifolia Geo. B. Grant September 1902 5215 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  HSC61809  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Poker Flat 1585 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
  UCD123695  Collinsia torreyi var. latifolia W. C. Overton Jr. 1977-7-10 s.n. Siskiyou along trail from Big Flat to Sunrise Pass (between headwaters of Gulick Creek to northwest and Sunrise Creek to southeast) in area where trail leaves forest and enters large, open meadow and shurb area at head of Gulick Creek, Klamath National Forest. 2145 Comment
  UC1299509  Collomia grandiflora Freed W. Hoffman 1948-7-7 2408 Siskiyou Callahan Comment
  UC537993  Collomia heterophylla Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek Siskiyou Mts. 1097 Comment
  UC796445  Collomia heterophylla Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11780 Siskiyou small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  SEINET2445716  Collomia heterophylla James P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley, California. 488 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
  HSC19054  Collomia tinctoria J. O. Sawyer 1969-7-1 968 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC30629  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou Marble Mtn. Wilderness area, slope in draw below Tobacco Lake 1890 Comment
  HSC91956  Corallorhiza maculata Jennifer Whipple 1977-8-6 2225 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  HSC45182  Corallorhiza mertensiana J. O. Sawyer, E. Cope 1977-6-18 2937 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  RSA184811  Corallorhiza mertensiana Gilbert Muth 1966-7-14 398 Siskiyou Just above Marble Valley, Marble Mountains 1799 Comment
  HSC38715  Cordylanthus tenuis subsp. pallescens J. D. Ackerman, A. M. Montalvo 1975-7-18 572 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  HSC72276  Cordylanthus tenuis subsp. viscidus J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8966 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  UCD123181  Cordylanthus tenuis subsp. viscidus K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  SEINET7042817  Cornus nuttallii A. G. Vestal 1955-5-15 s.n. Siskiyou At the Nugget Motel, Yreka. Ureka quadrangle UTM Zone 10, 529905mE, 4619722mE. Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  HSC61806  Cornus sericea subsp. sericea Ruby Van Deventer 1938-7-13 Siskiyou Poker Flat. 1585 Comment
  UC165402  Cornus sericea subsp. sericea Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  UCD110062  Corylus cornuta subsp. californica B. Crampton 1956-8-21 3848 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with the Middle and South Forks. 1066 Comment
  CDA25823  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Highway 3 on Lighthill Road south of Fort Jones. 0 Comment
  HSC5440  Crepis acuminata D. M. Thomson 1965-6-19 100 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  JEPS80550  Crepis acuminata Gilbert Muth 1965-8-11 207 Siskiyou near Rim Trail; Marble Mt. Wilderness Area 2194 Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  UC346588  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  UC581311  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1888 Siskiyou about 2 mi s Yreka 810 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-BC376573  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou Pass just s. of Mt. Eddy 2438 Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  HSC78311  Crepis pleurocarpa L. P. Janeway 1983-8-26 614 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CHSC32080  Crocidium multicaule L. Ahart 1973-3-13 166 Siskiyou Hillsides near Fort Jonces. 762 Comment
  HSC46232  Cryptantha flaccida Jennifer Whipple 1978-6-5 2344 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC78652  Cryptantha rostellata Thomas Howell May 1889 Siskiyou Hornbrook Comment
  JEPS21126  Cryptantha simulans T. Walker 1938-6-24 Siskiyou MacBride Spr. Mt. Shasta 1524 Comment
  HSC36748  Cryptantha torreyana J. P. Smith 1974-5-25 7393 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM72235  Cryptantha torreyana Edward Palmer 2517 Siskiyou Mount Shasta and vicinity. Comment
  UCD78206  Cryptantha torreyana R. E. Preston 2006-7-3 2360 a Siskiyou Ca. 3.8 mi ESE of Hornbrook, in field along Ager Rd, 1.6 mi SE of its jct with Hornbrook-Copco Rd. 704 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  UC922418  Cryptogramma cascadensis Annie M. Alexander and Louise Kellogg 1949-7-22 5835 Siskiyou trail to Kings Castle Paradise Lake; Marble Mts 1920 Comment
  RSA352343  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  RSA40901  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC1321450  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou n section line crossing of Sec. 13 (on w side of jeep road, NE 1/4, NE 1/ 4, NE 1/ 4); Fall River Mills. Quad. 1085 Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  UC650674  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  POM120002  Cupressus bakeri Geo D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills 1220 Comment
  CDA39930  Cuscuta campestris T. C. Fuller 1963-8-27 11167 Siskiyou South side of Dorris-Tulelake Highway, 12 miles west of Hatfield. 0 Comment
  RSA237965  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC126701  Cycladenia humilis var. humilis Milo S. Baker 1896-6-10 101 Siskiyou Sisson Comment
  UCD127598  Cymopterus terebinthinus var. californicus K. M. Meyer; A. Townesmith 2007-8-2 185 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
  JEPS104992  Cyperus squarrosus Dean W. Taylor 1996-7-27 15866 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  UC183885  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  HSC19005  Cystopteris fragilis J. O. Sawyer 1969-7-1 975 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  JEPS68513  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  UC1265438  Danthonia californica F. W. Oettinger and R. F. Thorne 1969-8-4 1153 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mountains, Sundew Bog 1828 Comment
  RSA238378  Danthonia californica var. americana Frederick W. Oettinger 1969-8-14 1372 Siskiyou English Lake Campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA239124  Danthonia intermedia Frederick W. Oettinger 1969-7-28 1081 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC76753  Danthonia unispicata K. T. Stillman 1976-7-21 277 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA120926  Danthonia unispicata Milo S. Baker, G. D. Barbe, H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mountains Comment
  RSA11913  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou 18th crossing of the Sacramento River below Sisson Comment
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Nov 6 2019
  UCD119059  Darlingtonia californica Collector unknown Date unknown s.n. Siskiyou Mt. Shasta. Comment
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Nov 6 2019
  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
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9882  Delphinium nudicaule George Dexter Butler 1909-4-18 599 Siskiyou Humbug Divide Comment
  HSC686  Delphinium nuttallianum William J. Ferlatte 1966-7-7 201 Siskiyou Caribou Basin 1982 Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC166147  Delphinium nuttallianum Geo. D. Butler 1901-6-22 901 Siskiyou Goosenest foothills Comment
  RSA238281  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 b Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  CHSC61564  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat, upper portion of a meadow. 1524 Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 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
  RSA14315  Deschampsia cespitosa subsp. cespitosa Elmer I. Applegate 1923-8-19 3895 Siskiyou Medicine Lake 1982 Comment
  HSC102654  Deschampsia danthonioides J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  HSC71186  Deschampsia elongata M. A. Baker 1980-6-20 2219 Siskiyou Near Bald Mtn. 1036 Comment
  UC1108538  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou 9.5 mi. above Cecilville; S. Fork Salmon R. 1066 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  UC726511  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou near Sisson 1074 Comment
  UC857353  Descurainia sophia Alice Eastwood 1912-7-16 1135 Siskiyou McCloud Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. 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
  CAS-BOT-BC254471  Dichanthelium acuminatum subsp. acuminatum Melissa A. Berry 1957-7-8 s.n. Siskiyou N Fork of the Salmon River, old Aromas Mine road, off Somes Bar-Etna Road 609 Comment
  UC796627  Dichelostemma multiflorum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11784 Siskiyou outskirts of Etna Etna Comment
  CAS-BOT-BC291010  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  CAS-BOT-BC291020  Dieteria canescens var. shastensis W. B. Cooke; V. G. Cooke 1963-7-12 34333 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC153452  Diplacus layneae John Thomas Howell 1934-7-4 12398 Siskiyou unspecified Comment
  CAS-BOT-BC153731  Diplacus nanus Doris K. Kildale 1928-7-4 5481 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  UC1053435  Dodecatheon hendersonii Rimo Bacigalupi, Arthur Holmgren 1950-4-24 3139 Siskiyou opposite town Dunsmuir (on e side of canyon, Cliffs along Sacramento River); along Sacramento River, opposite Dunsmuir Comment
  HSC383  Dodecatheon jeffreyi William J. Ferlatte 1966-8-5 358 Siskiyou Caribou Mtn. 2561 Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  UC1409475  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou along inlet stream on sw side Upper English Lake (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  JEPS15222  Downingia pulcherrima Rimo Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5696 Siskiyou 1.5 mi wnw Weed (along U.S. Highway 99, southern reaches of the Shasta Valley); Shasta Valley 975 Comment
  HSC90899  Draba aureola Jennifer Whipple 1976-7-25 1577 Siskiyou N face of Mount Eddy 2439 Comment
  HSC90896  Draba carnosula Jennifer Whipple 1976-6-17 1032 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  UC166133  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  UC722618  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5317 Siskiyou King's Castle Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  UC1409246  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (w above English Lake, w Siskiyou Co.) 1828 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC159434  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-1 5330 Siskiyou Forks of Salmon, Salmon River 365 Comment
  CAS-BOT-BC159436  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  POM34596  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek. Comment
  HSC76989  Drymocallis lactea var. lactea K. T. Stillman 1976-6-25 67 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UCD77958  Drymocallis pseudorupestris Robert E. Preston 2001-7-21 1716 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC536728  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Mount Shasta. Hudsonian Zone. Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC18762  Drymocallis pseudorupestris var. pseudorupestris R. C. Wunner 1965-7-9 354 Siskiyou Lava Beds NM, Black Crater Trail 100 yds. from Hardin Butte Jct. 1341 Comment
  CAS-BOT-BC158411  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1938-9-8 11602 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka 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
  CAS-BOT-BC197268  Echinochloa muricata var. microstachya Carl B. Wolf 1927-8-26 994 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA603019  Echinochloa muricata var. microstachya L. C. Wheeler 1935-7-13 3658 Siskiyou Ager 793 Comment
  JEPS125883  Eleocharis engelmannii Dean W. Taylor 1996-7-27 15865 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  RSA238951  Eleocharis palustris Frederick W. Oettinger 1968-9-5 716 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  RSA610532  Eleocharis parishii L. C. Wheeler 1935-6-9 3550 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  RSA239039  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UCD61279  Elymus aristatus L. Whitney 1935-7-15 3470 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  RSA239037  Elymus elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  POM112865  Elymus elymoides subsp. hordeoides Geo D. Butler 1910-5-4 1278 Siskiyou Dry hill, Yreka. Comment
  HSC76878  Elymus elymoides var. elymoides K. T. Stillman 1976-8-8 401 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  HSC98140  Elymus elymoides var. elymoides J. O. Sawyer 1969-6-12 913 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC69327  Elymus glaucus John S. Palmer 1980-8-12 739 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC206602  Elymus glaucus subsp. glaucus W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  CAS-BOT-BC204263  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  CAS-BOT-BC204264  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Hones [Jones] nr. head of Yreka Ck 1127 Comment
  CAS-BOT-BC204266  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  HSC19480  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-9 1207 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  JEPS109702  Epilobium ciliatum subsp. glandulosum Dean W. Taylor 2002-7-20 18262 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  UC454594  Epilobium densiflorum I. J. Condit 1911-7-13 Siskiyou along S.P.R.R. Dunsmuir Comment
  HSC19500  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-4 1868 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  HSC49640  Epilobium hallianum Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 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
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  CHSC32903  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  HSC33998  Epilobium minutum J. P. Smith 1974-5-25 7486 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC49642  Epilobium minutum J. P. Smith, Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  CAS-BOT-BC171869  Epilobium septentrionale Annie M. Alexander; Louise Kellogg 1949-7-29 5891 Siskiyou Top of ridge above Sky High Lake, Sky High Valley, Marble Mountains 1920 Comment
  HSC92071  Epilobium siskiyouense Jennifer Whipple 1976-6-15 1487 Siskiyou S face of Mount Eddy, draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  UC909314  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou East Fork of Scott River Plowman's Valley; , Plowman's Valley 1188 Comment
  CAS-BOT-BC286705  Ericameria bloomeri Doris K. Kildale 1928-8-20 6614 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  UC179536  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou Weed 1066 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC294302  Ericameria nauseosa var. speciosa Doris K. Kildale 1928-7-4 5499 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  JEPS125959  Erigeron cervinus D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles w of Scott Valley. Comment
  HSC33321  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou South fork of Salmon River west of Big Flat. In cracks 400yd upstream from falls 1433 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CHSC88385  Erigeron divergens Jenny Marr 1993-7-1 144 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS94887  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  UCR45438  Erigeron foliosus var. confinis D. H. Norris 1970-5-23 12238 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  CAS-BOT-BC295387  Erigeron inornatus L. E. Smith 1914-7-6 749 Siskiyou Sisson Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC300092  Erigeron philadelphicus W. R. Dudley 1893-6-1 s.n. Siskiyou P. Klinks Meadow, near Sisson Comment
  JEPS41368  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-7-20 326 Siskiyou Humbug Creek Comment
  RSA105313  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  SEINET8687532 Image available Erigeron pumilus var. intermedius G. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  HSC67523  Eriodictyon californicum J. P. Smith, Steve Selva 1970-6-15 3931 Siskiyou Between Forks of Salmon and Cecilville. Comment
  CAS-BOT-BC94414  Eriogonum compositum R. C. Wenk 2005-7-15 227 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  CAS-BOT-BC248841  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  CAS-BOT-BC255726  Eriogonum elatum var. elatum John Thomas Howell 1937-7-21 13154 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  CAS-BOT-BC255732  Eriogonum elatum var. elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamath on Siskiyou County line Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager 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
  RSA237752  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1967-7-30 229 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 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
  UCD100402  Eriogonum marifolium R. Tofsrud; J. M. Tucker 1948-8-2 1761 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UC466019  Eriogonum nudum var. nudum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC261616  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53569 Siskiyou Yreka 822 Comment
  CAS-BOT-BC261623  Eriogonum nudum var. nudum Gilbert Muth 1965-8-10 s.n. Siskiyou Through Marble Valley & ridges Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  CAS-BOT-BC272485  Eriogonum nudum var. pubiflorum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC272500  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  CHSC75738  Eriogonum nudum var. pubiflorum Vernon H. Oswald; Lowell Ahart 1999-7-5 9824 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC67753  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-21 3827 Siskiyou N of F.S. Road 44N01 near intersection with road to Lava Camp 1677 Comment
  UCR31684  Eriogonum nudum var. pubiflorum John C. Roos 1948-9-2 3976 Siskiyou Fort Jones 915 Comment
  UCR93353  Eriogonum nudum var. pubiflorum Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  UC1188079  Eriogonum pyrolifolium Philip A. Munz 1960-8-22 24195 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  CAS-BOT-BC267706  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC267712  Eriogonum roseum Elmer I. Applegate 1923-9-6 3942 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  CAS-BOT-BC268581  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4803 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  JEPS117877  Eriogonum siskiyouense unknown 1976-9-23 Siskiyou Along the trail up the SW side of Mt. Eddy 2438 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  HSC43455  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC263395  Eriogonum strictum var. proliferum Milo S. Baker 1955-6-28 012 Siskiyou 0.3 mile north of Callahan 1005 Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  SEINET244751 Image available Eriogonum umbellatum 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
  CAS-BOT-BC267996  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  JEPS56218  Eriogonum umbellatum var. dumosum W. L. Jepson 1940-6-23 19995 Siskiyou e Mayten (east side, Little Shasta Valley); Little Shasta Valley 883 Comment
  JEPS57171  Eriogonum umbellatum var. humistratum L. R. Heckard 1967-8-13 1704 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  HSC30404  Eriogonum umbellatum var. stellatum Frederick W. Oettinger 1968-8-4 398 Siskiyou Marble Mtn. Wilderness Area, ridge S of English Peak Lookout 2226 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  CAS-BOT-BC301445  Eriophyllum lanatum var. grandiflorum Ynez Winblad 1936-8-13 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  UC563835  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou s cinder slope of Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC301707  Eriophyllum lanatum var. lanceolatum Clarence R. Quick 1959-6-19 59 -13 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  RSA281174  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  HSC695  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  RSA498946  Euphorbia crenulata L. C. Wheeler 1934-6-4 2634 Siskiyou Hamburg Gulch off Horse Creek. 610 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  CDA34223  Euphorbia oblongata Jodi Aceves 2010-8-3 PDR# 1414045 Siskiyou At Klamath River, upstream from Somesbar. 0 Comment
  JEPS81790  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n of Scott Mountain road summit 1615 Comment
  SEINET3244013  Euthamia occidentalis G. D. Butler 1910-1 1859 Siskiyou Oro Fins. Comment
  HSC42973  Festuca californica J. O. Sawyer, K. T. Stillman 1976-5-29 2742 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC25420  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5664 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  HSC76644  Festuca idahoensis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  HSC39910  Festuca occidentalis J. P. Smith, Steve Selva 1970-7-16 4400 Siskiyou Blue Mtn. Comment
  JEPS25599  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou near n base Caribou Mtn. (Big Flat Campground, headwaters of So. Fk. Salmon River, just s of low divide (Trinity Co boundary), separating Coffee Ck drainage from Salmon Riv.); South Fork of Salmon River 1508 Comment
  UC197192  Festuca roemeri Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  UCD66264  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  HSC77025  Frangula rubra K. T. Stillman 1976-6-25 51 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  HSC43326  Fritillaria pudica Maralyn O'Meara 1974-5-26 467 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  CAS-BOT-BC506207  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA264982  Galium bifolium Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  JEPS16371  Galium glabrescens Peter H. Raven 1956-9-4 10399 Siskiyou s side Mount Eddy 2560 Comment
  HSC70606  Galium glabrescens J. O. Sawyer, R. J. Cole 1981-7-2 4146 Siskiyou Near Scott Mtn. Campground 1585 Comment
  HSC49954  Galium serpenticum subsp. scotticum G. L. Clifton, Ground 1978-6-30 1661 Siskiyou Near Forest House, close to the town of Yreka 1098 Comment
  CDA42209  Galium tricornutum D. H. Shaw 1972-6-8 s.n. Siskiyou Airport Road, Montague. 0 Comment
  CAS-BOT-BC200582  Garrya buxifolia Doris K. Kildale 1929-8-24 8836 Siskiyou Preston Peak 2133 Comment
  RSA597572  Garrya flavescens Louis C. Wheeler 1963-9-3 8346 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC8396  Garrya fremontii C. B. Wolf 1927-8-27 1136 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  JEPS66747  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou near Yreka Comment
  RSA758227  Garrya fremontii Robert F. Thorne 1969-8-2 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  JEPS83832  Gayophytum diffusum subsp. parviflorum Wayne Roderick July 1978 Siskiyou Cook and Green Pass Siskiyou Mts., vicinity of Cook and Green Pass (s side, edge of road) 1463 Comment
  UC1096799  Gayophytum diffusum subsp. parviflorum Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp North Bay Counties, Klamath National Forest (along path to the spring at w side of camp) 1524 Comment
  HSC29481  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  HSC68980  Gayophytum heterozygum Maralyn A. Renner 1980-7-24 2062 Siskiyou Lily Pad Lake 1768 Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  HSC91281  Gentiana calycosa Jennifer Whipple 1976-9-3 1777 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC455391  Geranium carolinianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  HSC19393  Gilia capitata J. O. Sawyer 1968-7-23 563 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC68489  Gilia capitata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC223  Gilia capitata William J. Ferlatte 1966-8-17 403 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS69514  Gilia capitata subsp. capitata George D. Butler 1909-4-26 673 Siskiyou Oro Fino Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  HSC44646  Githopsis specularioides Jennifer Whipple 1978-6-5 2333 Siskiyou Weston Gulch in Scott Valley. 854 Comment
  HSC22096  Glyceria elata J. O. Sawyer 1968-7-10 509 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  RSA238374  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1284 Siskiyou Sundew Bog in English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1192118  Gnaphalium palustre Herbert L. Mason 1948-7-17 13605 Siskiyou Eastern Grass Lake Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC19398  Goodyera oblongifolia J. O. Sawyer 1968-9-13 718 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UCD98142  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou west of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  RSA238560  Hackelia bella Frederick W. Oettinger 1967-8-13 262 Siskiyou About 30 yards SE of Tom Taylor Cabin. 2043 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  UC1063908  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of road to Devils Gate Lava Beds National Monument; Modoc National Forest 1310 Comment
  RSA167324  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou Summit of the Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line. Comment
  RSA211247  Hackelia micrantha W. J. Ferlatte 1966-7-7 212 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  HSC45180  Hastingsia alba J. O. Sawyer, E. Cope 1977-6-19 2939 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento 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
  JEPS116588  Hazardia whitneyi var. discoidea Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake, headwaters of Middle Fork of upper Sacramento River Mt. Eddy 2103 Comment
  RSA215643  Hazardia whitneyi var. discoidea Gilbert Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge. 2378 Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  CAS-BOT-BC306743  Helenium bigelovii D. M. Traugh 1933-8-4 2 Siskiyou Shackelford [Shackleford] Creek near Dry Lake Comment
  HSC67878  Helenium bigelovii J. P. Smith, J. O. Sawyer 1973-8-14 7297 Siskiyou W shore of Campbell Lake 1768 Comment
  HSC92209  Helenium bigelovii Jennifer Whipple 1976-7-24 1565 Siskiyou SW of Dobkins Lake along drainage into the lakes 2195 Comment
  RSA654056  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou Slopes of Gumboot Lake, headwater of the S fork of Sacramento River 1921 Comment
  HSC92206  Helianthella californica var. shastensis Jennifer Whipple 1976-7-14 1481 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  RSA237822  Heracleum maximum Frederick W. Oettinger 1967-8-3 237 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  JEPS107319  Hesperochiron californicus Lowell Ahart, John Dittes 2005-6-10 12105 Siskiyou 30 yards E of Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air mi S of Hwy 99/97 Cutoff, about 6 air mi E-SE of Grenada 776 Comment
  JEPS78486  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC311089  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS24029  Heterotheca oregona var. rudis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6893 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  CAS-BOT-BC312303  Heterotheca villosa var. minor G. Muth 1966-7-25 453 Siskiyou Marble Valley Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS105421  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  JEPS74565  Heuchera merriamii W. J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge; Trinity Alps 2042 Comment
  RSA22033  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  RSA0066252  Heuchera merriamii A. E. Culbertson 1943-7-8 14 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000 backwall. 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns. 2000 above Sacramento River within 10 air miles of its headwaters to the W. 1656 Comment
  UC165927  Heuchera micrantha var. macropetala Geo. D. Butler 1908-7-4 216 Siskiyou near mouth Shasta River Comment
  CAS-BOT-BC425007  Heuchera micrantha var. micrantha John Thomas Howell 1937-7-26 13564 Siskiyou Between Big Flat and Caribou Gulch Comment
  HSC61158  Heuchera rubescens Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  RSA120939  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  RSA238800  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou Ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC94812  Hieracium scouleri R. C. Wenk 2006-9-2 556 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC143  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake Basin 1677 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  RSA120888  Hieracium scouleri G. D. Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  UC1408806  Hieracium triste Robert F. Thorne and Fred Oettinger 1969-8-10 38975 Siskiyou s slope of Mt. Shasta, Panther Creek Meadows; Mount Shasta National Forest 2194 Comment
  JEPS93890  Hippuris vulgaris Vernon H. Oswald and Lowell Ahart 1998-7-21 9349 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  UCD84842  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3444 Siskiyou Near Happy Camp bank of the Klamath River near habitations. Comment
  HSC29376  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou SE side of Hancock Lake 1936 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  HSC69424  Holodiscus discolor John Palmer 1980-7-23 560 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  HSC93  Holodiscus discolor William J. Ferlatte 1966-8-4 305 Siskiyou Dorleska summit 2134 Comment
  CAS-BOT-BC152360  Holodiscus discolor var. discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of Siskiyou Mountains above Dry Lake Ranger Station Comment
  UCR137195  Holodiscus microphyllus M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mtns., Klamath National Forest: King's Castle 2256 Comment
  CHSC71295  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald; Lowell Ahart 1998-6-11 9201 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow. 1402 Comment
  CAS-BOT-BC289280  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1983-8-26 590 Siskiyou At Poker Flat, Siskiyou Mountains 1524 Comment
  UC535964  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake Comment
  CHSC89329  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges. At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +- 10 mi S of Weed, near Mt. Shasta City. Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  HSC34008  Horkelia daucifolia var. daucifolia J. P. Smith 1974-5-25 7509 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  HSC86  Horkelia fusca var. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC539439  Horkelia tridentata var. tridentata Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mountains Comment
  CHSC75711  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS25569  Hulsea nana Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7194 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (sw slopes of mountain); Mt. Shasta 2834 Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  UC1483420  Hydrophyllum occidentale Maralyn A. Renner 1980-7-23 1829 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail, near ridge); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UC922469  Hydrophyllum occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5864 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  RSA105309  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  SEINET193110  Hymenoxys lemmonii Ynez Whilton Winblad 1941-6-20 sn Siskiyou Btwn. Weed and Yreka. Comment
  HSC69114  Hypericum anagalloides Maralyn A. Renner 1980-8-6 2297 Siskiyou Cracker Meadow 1555 Comment
  JEPS124800 Image available Hypericum anagalloides Laurel Loeblich 1964-7-1 75 Siskiyou East of highway 89 about 7 meters from road pavement 6 miles northwest of Dead Horse Summit. Comment
  CAS-BOT-BC401285  Hypericum perforatum L. E. Smith 1913-6-20 385 Siskiyou Weed Comment
  CAS-BOT-BC401471  Hypericum scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  HSC67480  Hypochaeris radicata J. P. Smith, Steve Selva 1970-6-15 3902 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC45996  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-27 4518 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC455677  Ipomopsis aggregata I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  UC23329  Ipomopsis aggregata C. B. Bradley 1879-1 Siskiyou Siskiyou Comment
  CHSC26181  Ipomopsis aggregata subsp. formosissima J. P. Kroessig 1977-8-5 49 Siskiyou Roadside, s of jct of Everitt Memorial Hwy and McBridge Springs Campground access road, ca 4.5 km n of Mt Shasta City. 1460 Comment
  RSA112893  Ipomopsis aggregata subsp. formosissima Verne Grant 1957-8-22 10039 Siskiyou SW slope of Mt. Shasta, trail to Sierra Club hut 2378 Comment
  HSC101402  Ipomopsis tenuifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13070 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
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Jul 13 2018
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  NY411178  Isatis tinctoria K. Morris 1973-6-2 367 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  RSA724919  Isatis tinctoria L. P. Janeway 2006-7-3 8777 Siskiyou Klamath Ranges. Salmon Mtns; along the main road across steep slope north above upper Carter Meadows. 1847 Comment
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  CDA38006  Isatis tinctoria CDFA Staff s.n Siskiyou Fort Jones. 0 Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  RSA597971  Isoetes L. C. Wheeler 1963-8-31 8315 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC91421  Isoetes bolanderi Jennifer Whipple 1976-7-24 1536 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC103153  Isoetes echinospora Dana York 2014-10-11 3225 Siskiyou Klamath National Forest, Marble Mountain Wilderness, Chinquapin Lake above Deep Lake. 2180 Comment
  RSA608670  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1616 Comment
  JEPS60638  Isopyrum stipitatum Geo. D. Butler 1909-2-28 Siskiyou near Yreka Comment
  CAS-BOT-BC109978  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  JEPS66905  Juncus balticus Geo. D. Butler 1910-5-1 1254 Siskiyou near Yreka Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  UC637095  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 457 Comment
  JEPS105030  Juncus ensifolius Dean W. Taylor 1996-7-23 15816 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  UCD141533  Juncus ensifolius A. H. Murphy 1960-8-9 60 E Siskiyou Klamath National Forest, Bear Lake. 1889 Comment
  JEPS121623  Juncus howellii Kendra Sikes 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping fen / wet meadow in lodgepole pine forest on ultramafic soil, E aspect. Mount Eddy quadrangle. Comment
  HSC76867  Juncus mertensianus K. T. Stillman 1976-9-9 473 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  HSC22184  Juncus mertensianus J. O. Sawyer 1969-7-18 1368 Siskiyou Seep E of Waterdog Lake 2012 Comment
  RSA233686  Juncus mexicanus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38955 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC69181  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-7-24 2069 Siskiyou Lily Pad Lake 1768 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC30712  Juncus orthophyllus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1299 Siskiyou Sundew Bog W of English Lake Camp 1829 Comment
  UCSB63776  Juncus orthophyllus Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Kangaroo Lake Rd. (USFS 41N08); 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 4IN 10: T41N R7W ca. center Sect. 34 1554 Comment
  RSA739865  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  CHSC88381  Juncus trilocularis Jenny Marr 1993-7-1 186 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81138  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  UC618869  Juniperus communis unknown 1938-8-22 11599 Siskiyou s slope of Diller Canyon Mt. Shasta, Diller Canyon, Shastina (at the timberline and in the Pinus albicaulis forest on the n slopes of Shastina and Shasta) 2743 Comment
  HSC1220  Juniperus communis var. saxatilis J. F. Knezevich 1967-6-3 183 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  CAS-BOT-BC81220  Juniperus occidentalis J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC4844  Kalmia polifolia J. O. Sawyer 1968-7-22 541 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  SFV17491  Keckiella corymbosa P. Wilson 1998-7-25 3549 Siskiyou Highway 96 west of Happy Camp. Mile marker 35.50. 400 Comment
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  NY790360  Keckiella lemmonii D. D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, (4½ miles from Mt. Shasta City on Horse Camp trail) 1828.8 Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  UCD121978  Kelloggia galioides K. M. Meyer; A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd. A10/Everitt Memorial Hwy. 1805 Comment
  CAS-BOT-BC340419  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  CDA7517  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  UCR52609  Lathyrus 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
  CAS-BOT-BC204981  Lathyrus jepsonii var. californicus Alice Eastwood 1912-7-21 1279 Siskiyou Sisson Comment
  JEPS55248  Lathyrus jepsonii var. californicus W. L. Jepson 1894-8-9 13617 Siskiyou Shasta Springs Comment
  CAS-BOT-BC205047  Lathyrus palustris Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, Marble Mts. 1798 Comment
  UCSB16533  Lathyrus polyphyllus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  RSA211220  Ledum glandulosum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  HSC41626  Lepidium campestre Barbara Kelly 1977-5-21 483 Siskiyou Parking lot at Callahan, next to grocery store Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  CHSC524  Lepidium perfoliatum G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC12835  Lepidium perfoliatum A. A. Heller 1928-6-9 14609 Siskiyou Near Gazelle. In the Shasta Valley, a treeless region first noticed here in 1925. Comment
  JEPS74410  Lepidium virginicum var. pubescens W. B. and V. G. Cooke 1974-8-20 49242 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  HSC86531  Leptosiphon nuttallii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  UC375302  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-25 588 Siskiyou Cherry Creek Comment
  CAS-BOT-BC341895  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dusmuir 640 Comment
  SD53408  Lessingia nemaclada Darley F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96 519 Comment
  RSA158035  Leucophysalis nana Jack Major 1961-7-14 637 Siskiyou Along old road to Panther Creek, Mount Shasta. 1800 Comment
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  POM255861  Lewisia cotyledon Marion Ownbey, Ruth Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  UCD101582  Lewisia cotyledon Rolf Y. Berg 1964-7-15 8271 Siskiyou Seiad Valley Pass near Lily Pad Lake (W. of Cook and Green Pass.) Siskiyou Mountains. Comment
  UC1312937  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  CAS-BOT-BC444050  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  UC163730  Lewisia cotyledon var. cotyledon Geo. D. Butler 1908-8-7 1 Siskiyou divide between <Woo?>lly and Independence Creek Comment
  CAS-BOT-BC444063  Lewisia cotyledon var. howellii L. R. Short 1933-5-24 119 Siskiyou Klamath National Forest. Rocky cliff on Klamath 548 Comment
  CAS-BOT-BC444078  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Upper meadows of Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  UCD101615  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake. 1767 Comment
  CAS-BOT-BC444582  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  UCD65602  Leymus triticoides Mr. Roseman 1913-1 4 Siskiyou Butte Valley. Comment
  UCD65623  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou Low land near Yreka. Comment
  SEINET10531266  Libocedrus decurrens E. E. Stanford 1930-6-15 Stanford 1582 Siskiyou 1 mile north of Dunsmuir; roadsides. Comment
  HSC61140  Ligusticum californicum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC61925  Lilium bolanderi Al Hobart 1959-6-26 Siskiyou Poker Flat 1585 Comment
  SEINET8260300  Lilium pardalinum Richard Olmstead 1983-7-13 478 Siskiyou along small stream crossed by road to Cave Jct. ca. 14 mil. N. of Happy Camp (2 mi. N of West Branch Campground). 1000 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  RSA297886  Lilium pardalinum subsp. wigginsii W. L. Jepson 1937-7-30 18513 Siskiyou Fork of Dunn Creek, headwaters of the Illinois River, East Fork Comment
  JEPS124667 Image available Lilium parvum Himayat H. Naqvi July 13, Siskiyou Dead Horse Creek Canyon and junction bush way 89, about 500 feet south of the road. Comment
  CAS-BOT-BC133025  Lilium washingtonianum subsp. purpurascens G. P. Rixford s.n. Siskiyou Hilt Comment
  JEPS86087  Lilium washingtonianum subsp. washingtonianum Wayne Roderick 1966-6-27 Siskiyou a short way out Mt. Shasta (town) (along highway to Panther, Meadow Ski Area) 1371 Comment
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  CHSC91816  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Roadside, Mt. Hebron-Medicine Lake Road, just E/ Rock Rock School road. Comment
  HSC75128  Linum lewisii J. P. Smith, Thomas W. Nelson 1979-6-15 10129 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC922413  Linum lewisii Annie M. Alexander and Louise Kellogg 1949-7-29 5889 Siskiyou above Sky High Lake (Marble Mountains, Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  UC1408889  Listera convallarioides F. W. Oettinger 1969-8-12 1334 Siskiyou between Yellow Dog Creek and Abbott's Lower Cabin (stream spring at the Cedars, along Main North Fork Trail); Salmon Mountains 960 Comment
  UC5554  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 Soda Springs (at foot of Mt Shasta); Mt. Shasta Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  POM267244  Lithocarpus densiflorus var. densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  HSC91199  Lithophragma glabrum Jennifer Whipple 1976-6-11 964 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  POM92054  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Yreka. Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  JEPS116614  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -012 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Mt. Shasta (Hotlum Fire area burned in Feb 2006; ca. 4 miles NE towm of Weed.) 1090 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  JEPS177  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou Block 5 Yreka Comment
  JEPS28834  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi. s. Yreka 792 Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC165428  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 624 Siskiyou near Yreka Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  RSA105386  Lonicera conjugialis G. D. Barbe 1955-7-6 130 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UC917241  Lotus crassifolius var. crassifolius R. Tofsrud and J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud McCloud Comment
  SEINET7042842  Lotus incanus A. G. Jones 1955-5-17 s.n. Siskiyou A serpentine unatanable mountain slope, ca. 3500 feet elevation 6.5 miles sputhwest of Yreka on Route 3. Yreka quadrangle UTM Zone 10, 523738mE, 4613250mN. 1066 Comment
  SEINET6655545  Lotus nevadensis var. douglasii M. L. Conrad, LeDoux; Kenney 1973-6-2 6976 Siskiyou 6 miles southwest of Callahan.; 0 Comment
  JEPS95832  Lotus nevadensis var. nevadensis Vernon H. Oswald and L. Ahart 1999-7-5 9812 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5000 ft, yellow pine forest, serpentine substrate 1524 Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  SEINET6924762  Luetkea pectinata M. K. Solecki, J. B. Taft 1986-9-13 2169 Siskiyou Marble Mountain Wilderness, peak east of Marble Mountain. Comment
  UC157018  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-6-28 369 Siskiyou Upper end Quartz Valley; Upper end of Quartz Valley Comment
  RSA297073  Lupinus albicaulis var. shastensis John F. Emmel 1974-7-20 519 Siskiyou 0.6 air mile ESE of Dry Lake Lookout, along road between Dry Lake Lookout and Deer Camp, Siskiyou Mts. 1890 Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  CAS-BOT-BC195958  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-22 45173 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC195970  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-13 47270 Siskiyou 9.2 miles east of Weed. Highway 97 Comment
  SEINET10874219  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope, volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  UCD106798  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou outskirts of Dorris. Comment
  RSA582456  Lupinus aridus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  RSA211148  Lupinus latifolius subsp. viridifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET7042827 Image available Lupinus latifolius var. viridifolius 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
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  OBI59149  Lupinus leucophyllus Rhonda Riggins 1993-6-17 1687 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  UCD19433  Lupinus onustus Charlotte K. Glenn 1967-1 204 Siskiyou Castle Lake. 1584 Comment
  JEPS65424  Lupinus polyphyllus Willis L. Jepson 1894-7 47 t Siskiyou Sisson; Mt. Shasta, Sisson Comment
  JEPS65428  Lupinus polyphyllus W. L. Jepson 1894-7 16 t Siskiyou Mt. Shasta at Sisson; Mt. Shasta at Sisson Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA414231  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-7-24 9247 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  UC454668  Lupinus polyphyllus var. burkei I. J. Condit 1909-8-23 Siskiyou near Sisson Castle Lake (Castle Lake); Castle Lake near Sisson 1828 Comment
  UC157013  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  SEINET10895575  Lupinus vallicola subsp. vallicola Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 372 Siskiyou found along roadside . 7 mi S of junction at Etna Road on Hwy 3. Comment
  HSC69299  Luzula comosa Maralyn A. Renner 1980-7-24 1990 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  UCR142988  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Siskiyou Mtns, [Spaulding Creek a tributary of] Cottonwood Creek 1311 Comment
  JEPS74561  Luzula piperi W. J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mountain Trinity Alps, Caribou Mtn 2468 Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta 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
  UC177492  Madia citriodora E. L. Greene June 1876 Siskiyou Yreka Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA237332  Madia minima Frederick W. Oettinger 1967-6-24 116 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer's Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC725671  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC21983  Melica bulbosa J. O. Sawyer 1969-7-16 1140 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  CHSC86622  Melica fugax Jenny Marr 1993-7-1 5 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM114782  Melica fugax Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  RSA403522  Melica fugax M. B. Dunkle 1945-1 9361 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  HSC49216  Melica harfordii J. O. Sawyer, K. T. Stillman Jul 1977 2796 Siskiyou Mid slopes and ridges E of the Little N Fork Trail. 732 Comment
  UC1265411  Melica harfordii F. W. Oettinger 1969-8-3 1143 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mtns 1828 Comment
  HSC30607  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  HSC15011  Melilotus albus R. C. Wunner 1965-7-16 396 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 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
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  POM208279  Mentzelia dispersa Louis C. Wheeler 1934-7-5 2884 Siskiyou Hungry Creek, Siskiyou Mts., Mt. Diablo Mer. 976 Comment
  CDA36641  Mentzelia dispersa var. latifolia T. C. Fuller 1958-6-19 s.n. Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UCD13283  Micranthes bryophora K. F. Mawdsley 1996-7-10 16 a Siskiyou California, Siskiyou County. Little Castle Lake, Seven Lakes Basin 7.5 topo. Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  SJSU6479  Microseris nutans R. W. Trivelpiece 1972-6-9 93 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC29119  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area; SE-facing slope on English Lake Trail 1829 Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  SEINET12345976  Mimulus H. P. Chandler 1901-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  HSC45047  Mimulus breweri J. O. Sawyer 1978-6-19 3257 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  UC164367  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  RSA237287  Mimulus guttatus Frederick W. Oettinger 1967-6-28 142 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  UC1409381  Mimulus moniliformis Frederick W. Oettinger 1968-8-11 478 Siskiyou just below spring Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2048 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  HSC67758  Mimulus moschatus John Palmer 1980-8-15 994 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  JEPS87078 Image available Mimulus nanus var. nanus J. Kierstead 1991-6-6 91 -55 Siskiyou Mt. Shasta Ranger Dist. north side of Mt. Shasta, north of Hwy. 97, 2 mi SW of Haystack Rock. Comment
  UC722669  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  UC803949  Mimulus primuloides subsp. linearifolius G. L. Stebbins Jr., P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4023 Siskiyou 10 mi w Weed (above Stewart Springs); Park's Creek 1219 Comment
  NY380637  Mimulus primuloides var. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou Near the head of Wagon Creek Canyon, Mt. Eddy. 2590.8 Comment
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  POM101138  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills. 1220 Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC163732  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou near Yreka Comment
  UC673160  Mirabilis greenei Lincoln Constance and Reed C. Rollins 1942-5-14 2929 Siskiyou 4 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  RSA276572  Mirabilis greenei George Pilz 1973-5-25 995 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  HSC61136  Mitella breweri Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  CAS-BOT-BC433016  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC4893  Mitella diversifolia J. O. Sawyer 1968-6-19 251 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  CAS-BOT-BC433014  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou On China Creek 1158 Comment
  JEPS1217  Mitella pentandra Freed Hoffman 1951-7-12 4034 c Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC76693  Monardella odoratissima K. T. Stillman 1976-8-7 208 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC2035945  Monardella odoratissima subsp. glauca Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  CAS-BOT-BC222173  Monardella odoratissima subsp. pallida H. A. Thomas; J. H. Thomas 1954-7-24 4511 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222176  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  UC54604  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock June, 1903 4127 Siskiyou Dead Horse Canyon Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC222168  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  SEINET10582083  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 348 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC1475700  Monotropa hypopitys Clifton and Griswold 1979-6-28 6152 Siskiyou near Bittenbender Creek (close to town of Seiad Valley); Seiad Valley Quadrangle 903 Comment
  RSA601900  Montia chamissoi L. C. Wheeler 1935-7-26 3705 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC34003  Montia fontana J. P. Smith 1974-5-25 7488 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  UC1408938  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou s of Abbott's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC262675  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  HSC22448  Muhlenbergia filiformis J. O. Sawyer 1969-8-18 1978 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC30599  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 592 Siskiyou Ridge between Diamond Lake and English Peak, Salmon Mountains. 2195 Comment
  RSA12631  Muhlenbergia filiformis C. B. Wolf 1934-7-4 5954 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  UC618870  Muhlenbergia jonesii W. Bridge Cooke 1938-7-29 11413 Siskiyou near borders on meadow Mount Shasta, Wagon Camp Comment
  HSC22229  Muhlenbergia montana J. O. Sawyer 1969-8-1 1690 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  SBBG59909  Myriophyllum sibiricum L. Ahart, J. Dittes 2010-7-30 16941 Siskiyou W edge of Shasta River, ca. 30 yards NW 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
  CAS-BOT-BC516029  Narthecium californicum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts, 1828 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 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
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  RSA237995  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC164018  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou near Oro Fino Comment
  CHSC88098  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 108 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC219529  Nemophila parviflora Clarence R. Quick 1959-6-19 59 -15 Siskiyou 6,7 [6.7?] miles south of Four Corners on ridge south-east of Seiad Valley Comment
  POM208266  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  HSC77354  Nicotiana acuminata var. multiflora L. P. Janeway 1983-7-30 467 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  JEPS81664  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  JEPS11224  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou trail beyond Whiskey Camp (Independence Creek); Independence Creek 1676 Comment
  NY790536  Nothochelone nemorosa A. M. Carter 1939-8-21 1468 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164.1 Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  NY790540  Nothochelone nemorosa J. P. Tracy 1935-8-1 14420 Siskiyou Head of Knownothing Creek. 1 mile northeast of Summit Mine, 3 miles southeast of Salmon Summit. 1767.8 Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UC1238906  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Road 30.1 mi from Klamath Highway (western Siskiyou County); North Coast Ranges, Cedar Camp Road Comment
  RSA0013865  Nuphar lutea subsp. polysepala Geo D. Butler 1910-7-8 1667 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  SEINET5345688  Oenothera deltoides var. piperi G. Butler Unknown 2000 Siskiyou No data. Comment
  UC224019  Oenothera elata subsp. hirsutissima Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2520 Siskiyou Mt. Shasta and vicinity Comment
  UC164310  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  POM32375  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  RSA139033  Onopordum tauricum Dorothy Parsons, T. C. Fuller 1960-7-26 4878 Siskiyou W edge Meiss Lake Basin, just S Sam's Neck, alt 15 miles SW Dorris Comment
  SEINET13694638 Image available Onopordum tauricum T. C. Fuller 1960-7-26 s.n. Siskiyou Wedge Mesia Lake Basin, SW. of Doris 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
  JEPS88631  Orcuttia tenuis Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9861 Siskiyou ca 5 mi n Timbered Crater (ca 1 mi e of Adobe Flat); Modoc Plateau, Fall River Mills 15' Quadrangle 1097 Comment
  SEINET8245378  Oreostemma alpigenum A. A. Heller 1915-8-26 12225 Siskiyou Heather meadow near the head of Wagon creek canyon; Mt. Eddy. 2591 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC500188  Orobanche fasciculata R. E. Frenkel 1963-7-13 253 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC91959  Orobanche uniflora Jennifer Whipple 1976-6-23 1111 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC269  Orthilia secunda William J. Ferlatte 1967-8-21 1072 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  JEPS83863  Orthilia secunda Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. Vicinity of Cook and Green Pass 1463 Comment
  JEPS93913  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1998-8-3 9431 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC933403  Orthilia secunda Annie M. Alexander and Louise Kellogg 1948-9-8 5604 Siskiyou Top of grade beteween Sawyers Bar and Etna 1706 Comment
  UCSB24414  Orthilia secunda Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA0083199  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  JEPS84024  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from of Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  HSC29250  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1295 Siskiyou Marble Mtn. Wilderness Area, English Lake region 1829 Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  CHSC78485  Orthocarpus cuspidatus subsp. cuspidatus Joe Molter 2000-6-6 Siskiyou Northwest of Butte Valley Wildlife Area and 500-600 ft east of dirt road that heads north to McGavin Peak. 1402 Comment
  JEPS84028  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  SEINET10913365 Image available Orthocarpus pachystachyus Edward L. Greene 1876-5-26 Greene 813 Siskiyou Collected near Yreka. Siskiyou County. Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69331  Osmorhiza berteroi John S. Palmer 1980-8-13 759 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC61183  Osmorhiza berteroi W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA47609  Osmorhiza berteroi Roxana S. Ferris, Laura Lorraine 1948-6-16 11821 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley 1204 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  UC1731286  Packera cana Dean Wm. Taylor with Joe Molter 1998-6-17 16558 Siskiyou base of hillslopes 3 mi s of Gazelle (bordering Shasta Valley, Scott Mountains); Klamath Region, Scott Mountains 1036 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  UC585067  Paeonia brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1883 Siskiyou n slope of mt. about 2 mi s Sheep Rock (on hwy from Bray to Weed); Mt. Shasta 1235 Comment
  RSA585249  Panicum capillare L. C. Wheeler 1934-9-20 3288 Siskiyou Lumgrey Creek; Siskiyou Mountains 671 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC253811  Panicum dichotomiflorum Henry Pollard 1956-10-7 s.n. Siskiyou Klamath River on Spink's Ranch at Roger's Creek about 5 miles above Somes Bar Comment
  UC630397  Parnassia californica Annetta Carter 1939-8-21 1480 Siskiyou 12 mi sw of Etna (se end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  UC73108  Parnassia californica Milo S. Baker Aug. 1900 Siskiyou Mount Shasta, on Ash Creek Ash Creek; Mount Shasta, Ash Creek 2438 Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  CAS-BOT-BC175510  Parnassia fimbriata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CHSC106095  Pastinaca sativa Lowell Ahart; John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southwest of Grenada. 716 Comment
  CAS-BOT-BC202852  Paxistima myrsinites Doris K. Kildale 1928-7-2 5346 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  UC1408911  Paxistima myrsinites Frederick W. Oettinger and R. F. Thorne 1969-8-7 1281 Siskiyou e. side English Lake Outlet; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  UC604460  Paxistima myrsinites G. L. Stebbins Jr. 1936-6-13 1981 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) Comment
  UCD107435  Paxistima myrsinites Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 608 Siskiyou Indian Creek Road, 0.9 mile north of junction with Poker Flat Road. Comment
  JEPS124777 Image available Paxistima myrsinites Lynne C. Carter 1967-7-12 102 Siskiyou ca. 1/4 mile west of entrance to Fowler Campground. On rocky cliff above McCloud River. Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC266640  Pedicularis bracteosa Geo. D. Butler 1910-7-10 1735 Siskiyou Shackleford Creek, Upper Campbell Lake 1524 Comment
  HSC29252  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Marble Mtn. Wilderness Area, base camp meadow, English Lake Basin 2012 Comment
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC618752  Pedicularis densiflora W. Bridge Cooke 1938-6-24 11098 Siskiyou Mount Shasta 1524 Comment
  CAS-BOT-BC204675  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Siskiyou Mts., Rogue River National Forest. Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage 1777 Comment
  HSC2366  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail 1890 Comment
  RSA12627  Pedicularis racemosa Carl B. Wolf 1934-7-5 5958 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  HSC34300  Pedicularis racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7293 Siskiyou W shore of Campbell Lake 1768 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  RSA239006  Pedicularis racemosa Frederick W. Oettinger 1966-8-7 49 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC62  Pellaea brachyptera V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UC572810  Pellaea brachyptera unknown 1937-7-23 9110 Siskiyou Mt Shasta Mt Shasta 1219 Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  HSC44388  Penstemon anguineus Maralyn O'Meara 1973-6-25 238 Siskiyou Music Creek 1463 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  UC1222496  Penstemon anguineus Joseph P. Tracy 1951-6-16 19474 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road near State Line (Oregon to Calif.)); Siskiyous aummit Comment
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  CAS-BOT-BC265381  Penstemon davidsonii var. davidsonii Dean Wm. Taylor; Glenn L. Clifton; Rexford E. Palmer 1987-6-7 9018 Siskiyou Upper Modoc Plateau. S end of Saddle Hills 1645 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  RSA11918  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  NY609827  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-16 26161 Siskiyou Route 99; Hornbrook 944.9 Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  UC775053  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou along John S. Everett Memorial Highway (sw side Mt. Shasta); sw side of Mt. Shasta 2133 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UCSB15834  Penstemon heterodoxus var. shastensis Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89; 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 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
  NY604567  Penstemon laetus var. sagittatus N. H. Holmgren 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UC61196  Penstemon laetus var. sagittatus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing , Sisson 18th Crossing (Mount Shasta) Comment
  NY604573  Penstemon laetus var. sagittatus W. B. Cooke 1972-6-30 45409 Siskiyou Andesite - Military Pass Road, Mount Shasta. Along dirt road just beyond berm. 5000 Comment
  POM257846  Penstemon laetus var. sagittatus C. Leo Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  NY629976  Penstemon parvulus B. J. Ertter 1990-7-14 9311 Siskiyou East side Mt. Eddy ca. 4 airmiles due west of Mt. Shasta City, at streamlet near end of FR 41N53 ca. 1 mile north of Morgan Meadows, steep east-facing serpentine hillside 1676.4 Comment
  HSC61153  Penstemon procerus var. brachyanthus Al Hobart Siskiyou El Capitan Comment
  CHSC57459  Penstemon roezlii L. P. Janeway 1984-6-22 869 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  HSC101872  Penstemon rupicola R. D. Whittlesey 2013-6-4 2 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1187 Comment
  POM42979  Penstemon speciosus Geo. D. Butler 1910-5-18 1360 Siskiyou Near Yreka. Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  UC1312906  Perideridia bolanderi subsp. bolanderi L. Constance and T. I. Chuang 1967-7-22 3801 Siskiyou 4 mi s Callahan (n slope of mt.); Scott Mountain 1371 Comment
  POM82579  Perideridia gairdneri subsp. borealis Mrs. R. M. Austin, Bruce 1897-8-9 1580 Siskiyou Quartz Valley Comment
  RSA715948  Perideridia lemmonii L. Ahart, John Dittes 2005-6-10 12112 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  RSA237647  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1967-8-20 286 Siskiyou Just below Tom Taylor Cabin spring and in bordering wet meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2050 Comment
  RSA237649  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just north of Tobacco Lake along the trail from the west end of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC74832  Persicaria amphibia J. P. Smith, J. O. Sawyer 1978-7-3 10001 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  RSA249718  Phacelia dalesiana Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
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Jul 5 2017
  RSA75594  Phacelia greenei Albert M. Vollmer, L Beane 1951-5-31 s.n. Siskiyou Scott Mountain. Comment
  UC1475690  Phacelia greenei Clifton and Ground 1978-6-13 1001 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1037 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  POM127632  Phacelia hastata subsp. hastata A. M. Alexander, Elizabeth A. Kellogg 1911-8-12 309 Siskiyou Near Toad Lake. 2073 Comment
  HSC65628  Phacelia heterophylla subsp. virgata J. P. Smith 1976-5-22 8784 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  JEPS2089  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-8-8 408 Siskiyou summit s Marble Mtn. 1828 Comment
  JEPS81027  Phacelia heterophylla subsp. virgata James Payne Smith Jr. 1976-5-5 8699 Siskiyou road between Forks of Salmon and Somes Bar 365 Comment
  POM222622  Phacelia humilis var. humilis H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf ranch, north side of Mt. Eddy. 915 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  SBBG30550  Phacelia linearis D. Myrick 1968-6-22 1993 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC13673  Phacelia linearis R. C. Wunner 1965-7-13 387 Siskiyou Lava Beds National N.M., Indain Well Campground 1418 Comment
  HSC2392  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC107552  Phacelia rattanii M. K. Curran July 1884 Siskiyou Hornbrook Comment
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  UCD162322  Philadelphus lewisii Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountains, east of Marble Mountain. 1716 Comment
  RSA0057591  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek. Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  UC196936  Phleum pratense Geo. D. Butler 1908-6-25 1094 Siskiyou along creek near Yreka Comment
  UCD89651  Phleum pratense E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  RSA78675  Phlox adsurgens P. A. Munz 1952-7-1 17869 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mountains 1067 Comment
  SD104872  Phlox caespitosa Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 19 mi. E of Ca. Hwy 97 1768 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC1190247  Phlox diffusa Ira L. Wiggins 1955-7-27 13541 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC45797  Phlox diffusa J. P. Smith 1976-5-21 8758 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  JEPS82447  Phlox gracilis Gilbert Muth 1966-7-18 419 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  SBBG6059  Phlox speciosa H. and M. Dearing 1939-6-30 3760 Siskiyou Callahan-Trinity Alps Rd 1828 Comment
  UC455645  Phlox speciosa subsp. nitida I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1981 Comment
  HSC36942  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7585 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC44615  Phlox speciosa subsp. occidentalis Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  CHSC91372  Phoradendron densum Lowell Ahart; John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS24013  Phoradendron villosum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6874 Siskiyou at bridge over Ash Creek Klamath R. canyon (2 mi. w. of junction of State Hwy. 96 with U.S. Hwy. 99 (at mouth of Shasta R.)) 563 Comment
  CAS-BOT-BC384651  Phyllodoce empetriformis Andrew Townesmith; Karen M. Meyer 2007-7-30 875 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC56482  Phyllodoce empetriformis R. F. Thorne; Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, 2097 Comment
  CAS-BOT-BC56505  Phyllodoce empetriformis Alice Eastwood 1912-7-19 1235 Siskiyou Mount Shasta Comment
  CHSC96441  Phyllodoce empetriformis Gordon Leppig; T. LaBanca, L. Arguello 1997-6-27 496 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC44984  Phyllodoce empetriformis J. O. Sawyer 1978-6-21 3289 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  CHSC91747  Physalis longifolia D. H. Shaw; T. C. Fuller 1977-8-30 20221 Siskiyou In field, south of Willow Creek Road, 17 km. northeast of Montague. Comment
  UC144392  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou near Sisson Comment
  POM139966  Physocarpus capitatus M. S. Baker 1899-07 s.n. Siskiyou East slope of Mt. Shasta near Sisson on Ask Creek. Comment
  UC1318222  Picea breweriana Alan Bell 1963-8-17 Siskiyou on slope sw Log Lake (10 deg e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountains 1965 Comment
  UCD133125  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  CAS-BOT-BC78159  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou Big Meadow Comment
  NY30481  Picea breweriana H. A. Thomas 1943-7-7 8693 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
  HSC32579  Picea engelmannii Steven Lagos 1974-5-26 82 Siskiyou Duck Lake Creek drainage, Bulk Collection 63 1463 Comment
  UC665721  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Creek (tributary of Scott River) North Coast Ranges, Mount Diablo Meridian, Sugar Creek 1432 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  CAS-BOT-BC73308  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou Marble Mountain Wilderness Area - southwestern ridge of Black Marble Mountain. 2133 Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  CAS-BOT-BC78778  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  HSC44630  Pinus lambertiana Jerome Peterson 1978-5-20 16 Siskiyou USFS Camp along Camp Three Rd., Bulk Collection # 131 Comment
  UC915724  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou Miamber Trail Comment
  CAS-BOT-BC78951  Pinus monticola Louis C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC29679  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Marble Mtn. Wilderness Area, ridge top E of Toms Upper Pond 2119 Comment
  HSC44632  Pinus monticola Jerome Peterson 1978-5-20 19 Siskiyou Haypress Meadow, Bulk Collection # 133 Comment
  UC542249  Pinus murrayana H. M. Hall and E. B. Babcock 1903-6-17 4105 Siskiyou Divide, between Shasta and Black Crater; Sierra Nevada Mountains, Mount Shasta 1706 Comment
  CAS-BOT-BC72871  Pinus ponderosa L. B. Kildale 1930-6-1 9775 Siskiyou Black Bear Trail to Sawyers Bar Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA382785  Piperia elongata M. B. Dunkle 1944-7-18 9121 Siskiyou Deer Creek, Siskiyou National Forest Comment
  UC130660  Piperia unalascensis H. M. Hall 1909-7-1 8678 Siskiyou Salmon River Salmon Mountains 1645 Comment
  RSA610638  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3496 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  CAS-BOT-BC231005  Plagiobothrys hispidulus Alice Eastwood 1923-5-23 11911 Siskiyou Shasta Springs, railroad tracks to Sisson Comment
  RSA238847  Plagiobothrys scouleri var. hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  CHSC93532  Plantago eriopoda Lowell Ahart; John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA210923  Plantago indica John H. Thomas 1969-9-6 15464 Siskiyou About 8 miles southward from MacDoel near US Hwy 97. 1524 Comment
  HSC30626  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above trail near Young's Cabin on N Fork of Salmon River, Salmon Mts. Comment
  HSC95707  Platanthera dilatata Juha Pykala, D. H. Norris 1987-6-26 2037 Siskiyou Marble Mtn. Wilderness Area, above Bear Lake 1951 Comment
  HSC46118  Platanthera dilatata var. leucostachys J. P. Smith, Steve Selva 1970-6-14 3883 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC82359  Platanthera dilatata var. leucostachys Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA0028277  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 Comment
  CAS-BOT-BC261045  Poa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  RSA184793  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  UCD90660  Poa bulbosa John R. Elliott 1958-5-8 s.n. Siskiyou 1 mile northwest of Mt. Shasta (city?). Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC27349  Poa cusickii subsp. epilis J. P. Smith, Maralyn O'Meara, J. O. Sawyer 1972-7-3 5697 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  NY431263  Poa howellii var. chandleri H. P. Chandler 06 1901 1703 Siskiyou North Coast Ranges: ridges and meadows near Marble Mountain 1524.0 Comment
  SEINET10509470 Image available Poa howellii var. chandleri Harley P. Chandler Chandler 1703 Siskiyou Ridges and meadows near Marble Mountain. 1524 Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC256019  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53383 Siskiyou 2.5 miles south of Grenada, Shata Valley 762 Comment
  RSA184782  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  UCD91980  Poa pratensis H. S. Yates 1936-6-20 5800 Siskiyou Siskiyou Summit. 1371 Comment
  UCD39886  Poa pringlei R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC6506  Poa pringlei Cyrus Guernsey Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2438 Comment
  HSC39850  Poa rhizomata J. P. Smith 1973-5-5 6512 Siskiyou Along Cook and Green Pass Rd. Comment
  POM113795  Poa secunda Geo D. Butler 1909-5-22 821 Siskiyou Yreka Comment
  RSA126059  Poa secunda I. L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  HSC102658  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12616 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243217  Poa secunda subsp. secunda John Thomas Howell 1934-7-4 s.n. Siskiyou SE corner of county Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC243230  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  HSC65435  Poa secunda subsp. secunda J. P. Smith 1973-5-5 6437 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC68450  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1256 Siskiyou SE edge of Flint Valley. 1390 Comment
  UCD91757  Poa secunda subsp. secunda A. H. Murphy 1959-7-22 59 Q Siskiyou Shasta National Forest. Porcupine Lake. 2286 Comment
  HSC67787  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3755 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  SEINET5732309 Image available Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  CAS-BOT-BC232900  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  CAS-BOT-BC231348  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  CAS-BOT-BC231351  Polemonium pulcherrimum John Thomas Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA105327  Polemonium pulcherrimum var. pilosum G. D. Barbe 1955-8-1 325 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  CAS-BOT-BC74165  Polyctenium fremontii L. E. Smith 1913-5-18 227 Siskiyou Bray. Comment
  RSA17731  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner s Ranch on old road to Lava Beds, near north boundary of the National Monument Comment
  JEPS93852  Polyctenium fremontii var. fremontii Vernon H. Oswald and Lowell Ahart 1998-6-11 9200 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
  SEINET1004842  Polygala cornuta var. cornuta Marion Ownbey 1940-1 2164 Siskiyou 7 miles northwest of McCloud. Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  UC868238  Polygala cornuta var. cornuta Alice Eastwood 1912-7-19 1209 Siskiyou Sisson Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  UC1299691  Polygonum bistortoides Freed W. Hoffman 1951-7-16 4055 Siskiyou Sky High Valley Marble Mountains Comment
  UC54222  Polygonum bistortoides H. M. Hall and E. B. Babcock June, 1903 4070 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta (in meadows) 1066 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  CAS-BOT-BC414394  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  CAS-BOT-BC414396  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  JEPS24802  Polygonum douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6811 Siskiyou about 3 mi nw Weed (head of valley); Shasta Valley 975 Comment
  SEINET3405779 Image available Polygonum douglasii Rimo Bacigalupi, Drs. Reino & Aloha Alava 1958-9-3 6898 Siskiyou Poker Flat, Siskiyou Mtns 1536 Comment
  UC164402  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  POM104485  Polygonum douglasii Geo. D. Butler 1908-8-8 186 Siskiyou W Fork Wooly Creek. 1829 Comment
  UCD100248  Polygonum douglasii Herbert L. Mason 1948-7-17 13598 Siskiyou Eastern Grass Lake. Comment
  UC164464  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-11-15 1103 Siskiyou dry hill near Yreka Comment
  JEPS75025  Polygonum douglasii subsp. spergulariiforme L. R. Heckard and R. Bacigalupi 1975-10-9 4209 Siskiyou along Dunsmuir Avenue about 1 mi s Dunsmuir (just off Interstate 5, bottom of road bank) Comment
  RSA237760  Polygonum kelloggii Frederick W. Oettinger 1969-8-5 1216 Siskiyou Base camp at English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  SDSU9664  Polygonum persicaria D. F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS93909  Polygonum sawatchense subsp. sawatchense Vernon H. Oswald and Lowell Ahart 1998-8-3 9456 Siskiyou e of Kangaroo Lake (near Rock Fence Creek, e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains); Scott Mountains, Rock Fence Lake Road 1920 Comment
  CAS-BOT-BC109281  Polygonum shastense A. A. Heller 1939-7-27 15433 Siskiyou Mount Shasta. Border of Panther Meadow, upper edge of the Canadian Life Zone. 2438 Comment
  UCD77939  Polygonum shastense Robert E. Preston 2001-8-26 1766 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of ne 1/4 Section 23 1975 Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC421069  Polygonum spergulariiforme Doris K. Kildale 1929-7-20 8562 Siskiyou South fork Indian Creek to old dam near Gilmore's Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  UC1408839  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou boulder area due n of outlet English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1783 Comment
  CAS-BOT-BC72383  Polystichum lemmonii Alice Eastwood 1912-8-30 2043 Siskiyou Mount Eddy Comment
  HSC27332  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5712 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC34364  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  JEPS89825  Polystichum lemmonii Dean William Taylor 1972-7-4 1976 Siskiyou near Lily Pad Lake 3 mi. w. Cook and Green Pass 1981 Comment
  RSA249714  Polystichum lemmonii Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air miles SW of Weed near Kangaroo Lake Campground in rock crevices of open schistose scree area. Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  HSC46072  Polystichum munitum J. P. Smith, Steve Selva 1970-6-14 3875 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC54209  Populus tremuloides H. M. Hall and E. B. Babcock June, 1903 4080 Siskiyou along streams in Shasta Valley Shasta Valley (Mount Shasta); , Shasta Valley 914 Comment
  RSA756938  Portulaca oleracea R. F. Thorne 1969-8-2 63346 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA240075  Potamogeton alpinus Frederick W. Oettinger 1969-8-21 1473 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  SEINET10836817  Potamogeton filiformis var. alpinus Katherine L. Morris 1973-6-2 Morris 345 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  UC201703  Potamogeton illinoensis Geo. D. Butler 1916-8-21 1853 Siskiyou Shasta River Comment
  UC1100098  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-26 8288 Siskiyou 1/2 mi w of Tulelake Comment
  HSC90540  Potentilla breweri Jennifer Whipple 1976-6-19 1052 Siskiyou Near Durney Lake 2073 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon 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
  UC538030 Image available Potentilla cristae David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UCR52571  Potentilla glandulosa 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
  UC164066  Potentilla gracilis Geo. D. Butler 1908-6-28 288 Siskiyou Oro Fino Comment
  CAS-BOT-BC540575  Potentilla gracilis var. fastigiata W. B. Cooke; V. G. Cooke 1968-7-1 39229 Siskiyou Military pass Road at US-97, Mount Shasta 1371 Comment
  CHSC27758  Potentilla millefolia William Frank 1978-4-1 2 Siskiyou In meadow surrounding inlet of Shasta River into s Lake Shastina, via public fishing access road. 822 Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  RSA211268  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  HSC19564  Prosartes hookeri J. O. Sawyer 1968-6-18 183 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC1971317  Prunus emarginata Louis C. Wheeler 1952-9-17 6943 Siskiyou Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  SEINET10937255  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 Constance s.n. 1942 Siskiyou Road to Walker Post Office, 3 miles west of Yreka. 1220 Comment
  CAS-BOT-BC151235  Prunus virginiana var. demissa Cyril Gammon 1951-8-14 130 Siskiyou Happy Camp Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC572361  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi w of Coldwell Butte (Modoc Lava Beds National Monument); Modoc Lava Beds National Monument 1371 Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  CDA32663  Pseudoroegneria spicata F. D. Horn 1977-5-6 Siskiyou Highway 263, Shasta River Canyon near Yreka. 0 Comment
  RSA17670  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC903496  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 Siskiyou Plowman's Valley Rail Creek; , Rail Creek 1203 Comment
  JEPS82420  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley horse pasture Marble Valley; Marble Mt Wilderness Area 1792 Comment
  CHSC71578  Pterospora andromedea Vernon H. Oswald; Lowell Ahart 1998-8-3 9445 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southest of Gazelle-Callahan Rd. 1676 Comment
  JEPS59082  Pterospora andromedea Willis L. Jepson Jul 24 1894-Aug 10 1894 14667 Siskiyou Sisson's Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CDA38858  Pterospora andromedea J. R. Grisham 1962-7-26 s.n. Siskiyou Near Medicine Lake. 0 Comment
  RSA578036  Puccinellia distans L. C. Wheeler 1935-6-30 3634 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD91868  Puccinellia lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3591 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  SEINET236688 Image available Puccinellia nuttalliana Louis C. Wheeler 1935-6-30 3635 Siskiyou 3 mi. south of Grenada Shasta Valley 792 Comment
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
Read comments
Oct 8 2007
  CAS-BOT-BC147911  Purshia tridentata var. tridentata Wm. Bridge Cooke 1938-6-24 11100 Siskiyou Sisson Southern Trail Comment
  POM215864  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  UC60889  Purshia tridentata var. tridentata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson; Mount Shasta Comment
  RSA120906  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou Just south of Weed. Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  RSA0082806  Pyrola aphylla R. F. Thorne 1969-8-2 63333 Siskiyou Trail to upper English Lake along Salmon River. Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  HSC44585  Pyrola asarifolia subsp. asarifolia Laura Witherspoon 1977-7-30 Siskiyou Periphery of Flint Valley 1341 Comment
  HSC67644  Pyrola crypta J. P. Smith, Steve Selva 1970-7-17 4472 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS58825  Pyrola crypta Willis L. Jepson 1894-8-4 14660 Siskiyou Cedar Spring, Trail to Mt. Shasta Comment
  RSA0080538  Pyrola crypta Frederick W. Oettinger 1966-8-7 48 Siskiyou The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC17973  Pyrola dentata R. C. Wunner 1965-7-20 403 Siskiyou Lava Beds National Monument, near upper part of Black Lava flow along Old Tichner Rd. 1616 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  CAS-BOT-BC68604  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  JEPS46645  Quercus chrysolepis Mrs. Jared Stirring 1897-5 Siskiyou Etna Mills Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET4077684  Quercus chrysolepis Unknown No date 1090 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UCD46170  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 D Siskiyou Summit of Happy Camp-O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  UCD46172  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  RSA476804  Quercus garryana var. garryana E. E. Stanford 1930-6-16 1603 Siskiyou Near Hornbrook. Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  HSC18919  Quercus kelloggii J. O. Sawyer 1969-8-4 1883 Siskiyou SE slope above S Sugar Lake 2165 Comment
  HSC36737  Quercus kelloggii Brent Whitely 1975-6-21 10 Siskiyou 223 Comment
  POM106358  Quercus kelloggii Geo. D. Butler 1908-7-4 235 Siskiyou Shasta River Comment
  CAS-BOT-BC104347  Quercus sadleriana Reino Olavi Alava; Aloha Alava; Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  JEPS89112  Quercus sadleriana Wayne Roderick 1978-9-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1463 Comment
  POM258373  Quercus sadleriana C. L. Hitchcock, J. S. Martin 1939-7-6 5221 Siskiyou On Takilma-Happy camp road. 1677 Comment
  UCD47233  Quercus sadleriana Rimo Bacigalupi; L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez 1951-6-16 3454 A Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road, Siskiyou County. Comment
  UCD47247  Quercus sadleriana R. G. Schultz 1965-10-1 2 ,3,5 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  HSC68452  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1403 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC69126  Quercus vacciniifolia Maralyn A. Renner 1980-8-7 2382 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UCD37090  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Siskiyou County, canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  UCD47422  Quercus vacciniifolia A. T. Leiser 1968-8-3 s.n. Siskiyou Castle Lake campground, Siskiyou Co. Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  RSA256598  Ranunculus alismifolius var. alismellus J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CDA3501  Ranunculus arvensis T. C. Fuller 1962-5-17 8740 a Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  SEINET12100629  Ranunculus occidentalis H. P. Chandler 1901-1 1691 Siskiyou near Marble Mountain 2286 Comment
  POM268494  Ranunculus occidentalis var. ultramontanus C. L. Hitchcock 1939-7-6 5197 Siskiyou 10 miles SE of Takihua, Oregon, on road to Happy Camp, Siskiyou Mts. 1220 Comment
  CDA3489  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  SEINET12903708 Image available Rhamnus obtusissima E. B. Copeland 1903-1 3833 Siskiyou Sisson 1097 Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC109793  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain. Marble Mountains. 2057 Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  JEPS58751  Rhododendron occidentale Willis L. Jepson 1894-8-9 14671 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC200743  Rhus aromatica L. R. Short 1933-5-24 132 Siskiyou Klamath National Forest. Bank of Klamath River 548 Comment
  CAS-BOT-BC200746  Rhus aromatica C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  HSC41074  Rhus aromatica J. O. Sawyer 1970-3-4 2077 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  SEINET8042111  Rhus aromatica G. D. Butler 1910-6-29 1615 Siskiyou Near Yreka. Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  SEINET5343345  Ribes aureum G. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC108778  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  UC725465  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on Highway 97) Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed 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-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC219268  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CAS-BOT-BC219273  Ribes nevadense Alice Eastwood 1917-9-2 6701 Siskiyou Shasta Springs Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  HSC19438  Ribes nevadense J. O. Sawyer 1969-8-5 1946 Siskiyou Along Sugar Creek. 1921 Comment
  HSC64664  Ribes nevadense J. O. Sawyer 1977-7-6 3030 Siskiyou South of Little Duck Lake 2134 Comment
  HSC98217  Ribes nevadense J. O. Sawyer 1969-7-9 1227 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  UC726985  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3 1/2 mi from Horse Camp Comment
  RSA0023150  Ribes nevadense John Dourley, Walter Wisura 1982-10-17 3884 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC61672  Ribes roezlii W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  UC14178  Ribes roezlii var. cruentum W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  UC455589  Ribes roezlii var. cruentum I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  RSA0024603  Ribes roezlii var. cruentum Christopher Davidson 1975-6-5 2685 Siskiyou 0.8 miles N of Scott Mountain Summit on Highway 3. 1585 Comment
  CAS-BOT-BC186293  Ribes roezlii var. roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  HSC29414  Ribes sanguineum Frederick W. Oettinger, R. F. Thorne 1969-8-7 1280 Siskiyou SE of English Lake 1829 Comment
  JEPS49241  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackelford Creek 1676 Comment
  RSA0019539  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Northwest of Upper English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  RSA0019541  Ribes sanguineum var. sanguineum Louis C. Wheeler 1963-9-3 8342 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC173900  Ribes velutinum Elmer I. Applegate 1935-6-5 9328 Siskiyou Modoc Stronghold, Lava Beds National Monument Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  HSC27330  Ribes viscosissimum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5667 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1312926  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou vicinity Paradise Lake (at base on e side of Kings Castle); Marble Mountain Wilderness Area 1981 Comment
  CHSC118456  Rigiopappus leptocladus Richard R. Halse 2016-5-29 9719 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  CAS-BOT-BC65007  Rorippa curvipes R. F. Thorne; Frederick W. Oettinger 1969-8-4 63353 Siskiyou High lake basins in the vicinity of English Pk, above Tobacco Lake. Klamath National Forest, Marble Mountain Wilderness Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  HSC73277  Rosa gymnocarpa Gail Newton 1980-6-20 475 Siskiyou Near Bald Mtn. 1097 Comment
  UC1409335  Rosa gymnocarpa Frederick W. Oettinger 1968-8-17 559 Siskiyou Pine Lake Meadows Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  CHSC4281  Rosa pisocarpa D. Parker 1965-7-26 906 Siskiyou Cabin Meadow Creek, tributary to the E Fork of Scott River. 1676 Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC149744  Rosa woodsii subsp. ultramontana Doris K. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook 609 Comment
  CAS-BOT-BC149746  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1898-5-15 2128 Siskiyou Klamath River, between Shovel Creek and Fall Creek 853 Comment
  UCD98621  Rubus fruticosus Lindsay Clark 2009-9-3 DMU 1 Siskiyou Dunsmuir, CA at Manfredi's Food and Gas Depot off of Interstate 5. 694 Comment
  POM211266  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek 1768 Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  HSC29360  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  CAS-BOT-BC157169  Rubus ursinus Alice Eastwood 1912-7-17 1186 Siskiyou Sisson Comment
  CAS-BOT-BC363169  Rudbeckia californica L. E. Smith 1913-7-4 s.n. Siskiyou Railroad to Castle Lake Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC19447  Rumex acetosella J. O. Sawyer 1969-7-1 981 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC31036  Rumex crispus Frederick W. Oettinger 1969-8-13 1362 Siskiyou Marble Mtn. Wilderness Area, English Lake 1753 Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  CAS-BOT-BC103462  Salix eastwoodiae Annie M. Alexander; Louise Kellogg 1949-7-21 5828 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC107787  Salix hindsiana L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River, 6 miles below Hornbrook Comment
  HSC76986  Salix jepsonii K. T. Stillman 1976-6-25 76 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta Comment
  LA208780  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-19 412 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  LA208782  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-19 410 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  UC576389  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 844 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128306  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  POM219902  Salix lemmonii H. P. Bracelin 1931-6-20 448 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  SD953  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1455 Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  CAS-BOT-BC126133  Salix scouleriana L. S. Smith 1931-6-7 13 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126134  Salix scouleriana L. S. Smith 1931-6-7 21 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126166  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1080 Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC481710  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC576386  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 862 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at first bridge, n. base Mt. Eddy); n. base Mt. Eddy Comment
  UCR142839  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City, Wagon Creek Canyon c. 1 km up from Metcalf ranch house 1170 Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  CAS-BOT-BC235044  Sambucus W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek, Meadows, Salmon Mts. Comment
  CAS-BOT-BC235043  Sambucus A. M. Vollmer; L. Beane 1953-7-1 111 Siskiyou Junction, Horse Creek-Klamath River Comment
  JEPS83882  Sambucus mexicana Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. (along trail to Lily Pond Lake) 1706 Comment
  UC1125317  Sambucus mexicana M. H. Mitchell 1936-5-19 Siskiyou 1 mi ne Caldwell Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  HSC97130  Sambucus nigra subsp. caerulea S. Lyon, J. McIntire 2006-6-25 23 Siskiyou On Forest Service Rd. 39N35, 0.3 mi. SE of intersection with Road 39N27 1341 Comment
  HSC25666  Sambucus racemosa var. racemosa J. O. Sawyer 1969-8-2 1716 Siskiyou Ridge W of Little Duck Lake. 2409 Comment
  HSC39211  Sanicula bipinnatifida J. P. Smith 1976-5-4 8654 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  HSC42978  Sanicula graveolens J. O. Sawyer, K. T. Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  UCD135443  Saussurea americana T. C. Fuller; D. H. Shaw 1974-9-24 20045 Siskiyou headwaters of Horse Creek, southwest slope of White Mountain. Comment
  POM142438  Saxifraga aprica Copeland 1903-8-18 3845 Siskiyou Mt. Eddy. Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA184815  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 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
  HSC2420  Saxifragopsis fragarioides William J. Ferlatte 1966-8-5 347 Siskiyou Caribou Mountain 2470 Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  JEPS84270  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e of Condrey Mt. (slopes of Alex Hole); Alex Hole 1930 Comment
  RSA0101558  Sceptridium multifidum A. E. Culbertson 1943-8-30 35 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
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  CAS-BOT-BC35600  Scirpus congdonii A. H. Murphy 1954-8-21 54 -13 Siskiyou Round Meadow, Klamath National Forest 1676 Comment
  SEINET7592336 Image available Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou S side of Horse's Hole Pond, above Horse Range Lake 1875 Comment
  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
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CHSC33019  Scleranthus annuus subsp. annuus James P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River. Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  JEPS45872  Scribneria bolanderi Louis C. Wheeler 1935-5-18 3500 Siskiyou Siskiyo Mountains, Yreka Creek Yreka Creek; Siskiyo Mountains, Yreka Creek 853 Comment
  JEPS11421  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou near Yreka (McNulty's Field); McNulty's Field Comment
  HSC334  Scutellaria angustifolia C. B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS88635  Scutellaria antirrhinoides Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9860 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat); The Modoc Plateau 1097 Comment
  CAS-BOT-BC214253  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  JEPS50723  Sedum divergens Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on steep sides of El Capitan, Siskiyou Mountains, extreme western Siskiyou County); Siskiyou Mountains, El Capitan, s of Youngs Valley 1828 Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC28658  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Marble Mountain Wilderness Area: Near summit of Little Medicine Mtn. (N of Hancock Lake) 2104 Comment
  HSC100079  Sedum oblanceolatum G. L. Clifton, Griswold 1979-6-28 6139 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC19433  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-6-25 294 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC77061  Sedum obtusatum subsp. retusum K. T. Stillman 1976-8-7 192 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC59371  Sedum obtusatum subsp. retusum Thomas W. Nelson, J. P. Smith 1979-6-15 4809 Siskiyou Along road to Carmen Lake, 1 mi. from junction with State Rte. 3 1585 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  CDA25380  Sedum spathulifolium D. L. Janssen, F. D. Horn 1978-5-17 Siskiyou Old Klamath River Road, approximately 10 km east of Horse Creek. 0 Comment
  RSA237790  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Between English Peak and Diamond Lake, Mount Hemlock Forest. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC443954  Selaginella scopulorum Dana York 2014-10-11 3226 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain Wilderness, a few meters S and above Deep Lake. 1935 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  HSC91207  Senecio fremontii Jennifer Whipple 1976-7-25 1581 Siskiyou N slopes of Mt. Eddy; on ridge crest above Deadfall Lakes 2622 Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  UC454316  Senecio integerrimus var. exaltatus I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC364044  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1606 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1981 Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA0125066  Senecio integerrimus var. ochroleucus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2.5 miles northwest of Dry Lake Lookout. Comment
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UCR37822  Senecio triangularis K. T. Stillman 1976-7-30 311 Siskiyou Marble Mtn Wilderness Area, trail from Big Rock Camp to Jumpoff 1982 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
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Feb 21 2015
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  CAS-BOT-BC213140  Sidalcea A. A. Heller 1938-7-13 15268 Siskiyou About a mile south of Bray. 1402 Comment
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  UC61159  Sidalcea malviflora subsp. asprella W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  RSA240056  Sidalcea malviflora subsp. elegans Frederick W. Oettinger 1969-8-21 1481 Siskiyou Cold Springs Meadow near Abbott s upper cabin, Salmon Mts, in English Peaks area Comment
  UC164069  Sidalcea oregana subsp. oregana Geo. D. Butler 1909-6-4 768 Siskiyou near Yreka; near Yreka Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  CAS-BOT-BC181189  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-7-2 5342 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  JEPS50996  Silene grayi W. L. Jepson 1907-7-11 2882 Siskiyou summit of divide between Cottage Grove (Klamath River) and Crescent City (near Preston Peak, Monantha Rob.); Klamath Range, divide btw Klamath River and Crescent City 1828 Comment
  JEPS57175  Silene grayi L. R. Heckard 1967-8-13 1700 Siskiyou summit region of Mt. Eddy 2743 Comment
  UC8455  Silene grayi W. H. Brewer 1862-9-13 1373 Siskiyou Mount Shasta 2133 Comment
  UCD98591  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou along trail between old ski area and Panther Meadows on Mt. Shasta. 2377 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC389533  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC389536  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  HSC40276  Sisyrinchium bellum J. D. Ackerman, A. Montalvo 1975-7-18 581 Siskiyou Gumboat Lake Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  HSC62277  Smilax californica Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  NY821171  Solanum parishii W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath gorge 2000 Comment
  CDA41196  Solanum parishii D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Abandoned farmstead, Hornbrook. 0 Comment
  HSC28653  Solanum parishii Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below seepage along trail from English Lake to Diamond Lake 1875 Comment
  UCD126994  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  RSA79898  Solanum triflorum F. W. Peirson 1923-7-19 3836 Siskiyou 20 miles south of Bray. Comment
  RSA496333  Solanum umbelliferum Elaine Joyal, D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC385863  Solidago canadensis D. H. Norris 1968-7-29 2213 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC163746  Sorbus scopulina var. scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SD98959  Spiraea densiflora D. F. Howe 1977-7-1 Siskiyou Mountain Creek on Scott River Road 1463 Comment
  HSC68  Spiraea douglasii William J. Ferlatte 1966-8-18 422 Siskiyou Willow Creek Trail. Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  SJSU10509  Spiraea douglasii C. L. Kline 1965-7-14 206 Siskiyou 10 mi E of McCloud on Hwy 89 1280 Comment
  UC13093  Spiraea douglasii C. B. Bradley Jun 1879 Siskiyou Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  HSC48294  Stachys mexicana J. O. Sawyer, K. Stillman 1978-7-6 3353 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 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
  RSA289945  Stachys rigida subsp. rigida Geo. D. Butler 1908-6-29 174 Siskiyou Butler s ranch near Yreka. Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC181419  Stellaria calycantha Wm. Bridge Cooke 1940-8-22 15457 Siskiyou Common near springs in Mud Creek Canyon, especially near Clear Creek - Mount Shasta 1981 Comment
  POM312344  Stellaria longipes H. L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  UCD99324  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake. Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  JEPS87637  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC43031  Stipa lemmonii J. O. Sawyer, Ken Stillman 1976-7-2 2804 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  CAS-BOT-BC87878  Streptanthus tortuosus R. C. Wenk 2008-7-23 903 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2316 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  POM266084  Streptanthus tortuosus C. L. Hitchcock, J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Pk. 1646 Comment
  UC1190144  Streptanthus tortuosus Ira L. Wiggins 1955-6-27 13523 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  CHSC96096  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2006-7-3 8766 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  HSC792  Streptopus amplexifolius William J. Ferlatte 1967-7-9 690 Siskiyou Kidd Creek Trail 1677 Comment
  SEINET6884052  Streptopus amplexifolius M. K. Solecki, J. B. Taft 1986-9-13 2161 Siskiyou Near Canyon Creek between Big Rock Fork and Death Valley Creek. Elevation 4,600 feet; Marble Mountain Wilderness. 1402 Comment
  JEPS46346  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackelford Creek 1676 Comment
  RSA428925  Symphoricarpos acutus Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC269611  Symphoricarpos albus var. laevigatus William A. Dayton 1913-9-14 586 Siskiyou Shasta National Forest. E. Fk of Scott River Range along Rail Creek 1341 Comment
  CAS-BOT-BC269621  Symphoricarpos albus var. laevigatus Doris K. Kildale 1928-8-18 6445 Siskiyou Near head of North Fork of Salmon River at Finleys Upper Camp 1524 Comment
  HSC36654  Symphoricarpos albus var. laevigatus Brent Whitely 1975-7-11 155 Siskiyou 235 Comment
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18882  Symphoricarpos mollis J. O. Sawyer 1968-9-11 695 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC73353  Symphoricarpos mollis Gail Newton 1980-6-20 442 Siskiyou Near Bald Mtn. 1097 Comment
  UC164072  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek Comment
  UCD78034  Symphoricarpos mollis Robert E. Preston 2001-6-23 1573 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CDA42311  Symphoricarpos mollis G. D. Barbe 1973-8-14 1701 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC245773  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  CAS-BOT-BC245774  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  CAS-BOT-BC245776  Symphoricarpos rotundifolius Geo. D. Butler 1908-7-20 s.n. Siskiyou Humbug Creek Comment
  UCSB13170  Symphyotrichum ascendens Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Salmon Mt., Siskiyou 1828 Comment
  JEPS40846  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-11 291 Siskiyou Shackleford Creek Comment
  UC1538954  Symphyotrichum bracteolatum W. J. Ferlatte 1987-9-2 2111 Siskiyou 0.8 mi e of, n side of Hwy A-12 Grenada 768 Comment
  CAS-BOT-BC97665  Symphyotrichum chilense Grant 1902-9-13 5186 Siskiyou Dunsmuir Comment
  CAS-BOT-BC97879  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara Comment
  CAS-BOT-BC97885  Symphyotrichum eatonii Alice Eastwood 1921-7-31 11026 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97890  Symphyotrichum eatonii Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  HSC27033  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  JEPS89331  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Hwy. 161 (Oregon border) 8.3 mi. w. from Hwy 139 Lower Klamath Nat'l Wildlife Refuge 1249 Comment
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Oct 8 2007
  UC165283  Symphyotrichum spathulatum Geo. D. Butler 1910-9-11 1880 Siskiyou near Edgewood Comment
  SEINET8409249  Symphyotrichum spathulatum Geraldine Allen Guppy 1978-8-23 555 Siskiyou near Panther Meadows campground in Mt. Shasta. 2100 Comment
  HSC101563  Syringa J. P. Smith, J. O. Sawyer 2010-5-6 12822 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  UCD86207  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou Yreka. 1/2 mile NE of Hilt. California Forest and Range Experiment Station. 1036 Comment
  SEINET3194866 Image available Taeniatherum caput-medusae Rimo Bacigalupi, S. Galen Smith 1957-1 5938 Siskiyou About 2 1/2 miles northwest of Weed, close to U.S. Highway 99. 1010 Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  HSC18880  Taxus brevifolia J. O. Sawyer 1968-6-18 194 Siskiyou Above S Russian Creek on W side. 1463 Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  HSC69571  Tellima grandiflora Maralyn A. Renner 1980-8-6 2266 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  SD88343  Tellima grandiflora Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp 1646 Comment
  UC922308  Tellima grandiflora Annie M. Alexander and Louise Kellogg 1949-7-28 5881 Siskiyou Sky High Valley; Marble Mountains 1767 Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  RSA105451  Thelypodium brachycarpum Milo S. Baker 1955-6-26 13074 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
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Jan 14 2009
  HSC67701  Thelypteris nevadensis Maralyn A. Renner 1980-9-1 2732 Siskiyou Outlet stream of pond below Devil's Punchbowl 1433 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  JEPS82672  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow); Cabin Meadow (sw of Stewart Springs) 1935 Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  CAS-BOT-BC447626  Tolmiea menziesii Ira L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  CAS-BOT-BC377097  Tragopogon dubius Wm. Bridge Cooke 1939-6-30 13553 Siskiyou Mount Shasta. Along the lower part of the MacBride Springs Road Comment
  RSA0004017  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  SEINET4856146  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon. Comment
  HSC30479  Trientalis latifolia Frederick W. Oettinger 1969-8-9 1318 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  POM312879  Trifolium cyathiferum H. L. Mason 1948-7-17 13604 Siskiyou Eastern Grass Lake, in forested hills Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  CHSC75715  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  UC1190264  Trifolium eriocephalum var. eriocephalum Ira L. Wiggins 1955-7-23 13480 Siskiyou w China Creek (ridge) 1005 Comment
  HSC75351  Trifolium longipes J. O. Sawyer, M. Mesler 1980-8-10 4033 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  HSC86527  Trifolium longipes D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SBBG3845  Trifolium longipes subsp. oreganum H. and M. Dearing 1939-6-5 3556 Siskiyou E of McCloud 1066 Comment
  HSC36936  Trifolium macrocephalum J. P. Smith 1974-5-27 7602 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC642529  Trifolium pratense W. B. Cooke 1939-6-23 13520 Siskiyou Bear Springs Mt. Shasta 1524 Comment
  RSA582636  Trifolium repens Louis C. Wheeler 1934-6-8 2660 Siskiyou North Hungry Creek off Hungry Creek Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  CAS-BOT-BC451782  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  UC202191  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Saline Marsh Shasta Valley Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC86281  Trillium ovatum J. O. Sawyer 1983-7-6 4225 Siskiyou E of Cedar Flat on trail to Bunn's Basin 1372 Comment
  CHSC95119  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8744 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  RSA234819  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou Northeast shore of Taylor Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA234823  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-14 1020 Siskiyou South of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC18977  Trisetum canescens J. O. Sawyer 1969-8-1 1624 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  CAS-BOT-BC200269  Trisetum spicatum Gilbert Muth 1966-8-3 491 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  JEPS84004  Trisetum spicatum L. R. Heckard with J. Hickman et al. 1986-7-17 6473 Siskiyou ca 5 mi n town of Seiad Valley (trail up Kangaroo Peak, s of Lily Lake Pad); Kangaroo Peak 1800 Comment
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CHSC86645  Triteleia hyacinthina Jenny Marr 1993-7-1 28 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164283  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou near Hawkinsville Comment
  CAS-BOT-BC524318  Triteleia ixioides subsp. anilina A. A. Heller 1905-6-5 7986 Siskiyou In woods on the plateau just above Shasta Springs Comment
  SEINET10534136  Triteleia ixioides subsp. anilina A. Arthur Heller 1916-6-20 Heller 12413 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest, 3900 feet. The prevalent tree is Douglas Fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 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
  CAS-BOT-BC80260  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC74099  Turritis glabra Wm. Bridge Cooke 1938-7-15 11200 Siskiyou Mount Shasta. Bear Springs. Between the Bear Springs creeks. 1524 Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  UC8397  Vaccaria hispanica T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  UC165288  Vaccinium cespitosum Geo. D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CAS-BOT-BC199476  Vaccinium parvifolium Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 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
  JEPS123401  Vaccinium scoparium Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -132 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC506662  Valeriana sitchensis subsp. sitchensis Dana York 2011-9-8 3080 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC76701  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-8-7 212 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  SJSU6511  Vancouveria hexandra R. W. Trivelpiece 1972-6-15 116 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC27688  Vancouveria planipetala Carl W. Mize 1972-6-10 47 Siskiyou 100 yds. above Steinacher Creek 305 Comment
  HSC100333  Ventenata dubia J. P. Smith 2011-7-15 13301 Siskiyou 1427