Search Results — 2000 specimen records retrieved (1372 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
  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
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  HSC1338  Abies concolor R. C. Wunner 1965-8-14 430 Siskiyou Tichner Road 2 mi. SW of Mammoth Crater 1555 Comment
  HSC43427  Abies concolor Maralyn O'Meara 1974-5-25 390 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SFV12341  Abies concolor J. Major, R. H. Pemble, M. D. Fleschner 1966-9-6 Siskiyou Marble Mountains Marble Mountains, Beside trail from Lovers Camp to Marble Valley Guard Station. 1372 Comment
Read comments
Feb 15 2013
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD134256  Abies magnifica var. shastensis Robert E. Preston 2001-6-30 1649 e Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  RSA14365  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  SEINET5643775  Acer circinatum Alv Dan Youngberg 1964-7-20 78 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  UC1199014  Acer glabrum Joseph P. Tracy 1935-8-1 14403 Siskiyou on ridge between Salmon and New Rivers (Rock Lake, at extreme head of West Fork of Knownothing Creek); Rock Lake, extreme head West Fork Knownothing Creek 1889 Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  JEPS80577  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou down creek from Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1767 Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  HSC92338  Achillea millefolium Jennifer Whipple 1976-6-30 1198 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC30441  Achillea millefolium Doris K. Kildale 1929-7-20 8732 Siskiyou Raspberry Lake, near east slope Preston Peak Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  CAS-BOT-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UCD50891  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte north of Sisson. 1097 Comment
  CHSC67759  Achnatherum occidentale subsp. californicum James D. Jokerst 1992-7-30 3419 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC1265475  Achnatherum occidentale subsp. californicum Frederick W. Oettinger and R. F. Thorne 1969-8-4 1156 Siskiyou near Halfway Spring (on trail from English Lake to Diamond Lake; vicinity of English Peak Marble Mountains Wilderness Area); Salmon Mountains, High Lake Basins 1828 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  CHSC35553  Acmispon parviflorus James P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  UC853407  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC391527  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-7-2 5401 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC391538  Aconitum columbianum subsp. columbianum Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  HSC92159  Aconitum columbianum subsp. columbianum Jennifer Whipple 1976-7-8 1352 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC391541  Aconitum columbianum subsp. columbianum C. G. Pringle 1881-8-15 s.n. Siskiyou Castle Lake 1828 Comment
  HSC17995  Aconitum columbianum subsp. columbianum Dorothy Parker 1949-8-3 355 Siskiyou Edges of Paradise Lake, Salmon Mtn. 1982 Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  CAS-BOT-BC412907  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC418820  Aconogonon phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mts. 1859 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC1422  Actaea rubra V. Holt 1932-7-15 Siskiyou Castle Lake. 1981 Comment
  HSC28742  Actaea rubra Frederick W. Oettinger 1969-8-21 1483 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  CAS-BOT-BC68954  Adiantum aleuticum Peter H. Raven 1956-9-5 10452 Siskiyou North Fork of Sacramento River 2194 Comment
  CHSC91255  Aegilops cylindrica Lowell Ahart; John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  UCD51464  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou R.R. sideing, Montague. Comment
  CDA36296  Aegilops cylindrica Ed Finley? 1986-1 Siskiyou Montague, north of Shasta, off Hwy 89. 0 Comment
  UC726050  Agastache parvifolia A. A. Heller 1938-7-13 15263 Siskiyou among lava rocks at Bray Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  JEPS101308  Agoseris aurantiaca var. aurantiaca Dean W. Taylor 1999-8-12 17313 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  JEPS36379  Agoseris grandiflora var. grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou north (along old stage road) Sisson; The Upper Sacramento Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC13187  Agoseris monticola Alice Eastwood 1921-7-28 10922 Siskiyou Medicine Lake Comment
  JEPS94260  Agoseris parviflora Vernon H. Oswald and Lowell Ahart 1998-6-11 9224 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  JEPS36250  Agoseris retrorsa Geo. D. Butler 1909-5-30 752 Siskiyou near Yreka Comment
  CAS-BOT-BC110758  Agropyron cristatum T. C. Fuller 1963-8-26 11161 Siskiyou North limits of Macdoel, Butte Valley. Comment
  UC618636  Agrostis alba W. B. Cooke 1938-9-17 11693 Siskiyou Mount Shasta , Horse Camp Comment
  UC65107  Agrostis capillaris E. Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC126990  Agrostis exarata 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
  CAS-BOT-BC126995  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Siskiyou Mountains. Little Smoky Creek, Sterling Mountain. 1280 Comment
  UC53498  Agrostis exarata W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  HSC777  Agrostis gigantea William J. Ferlatte 1967-8-17 952 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC139347  Agrostis idahoensis Alice Eastwood 1921-7-28 10936 Siskiyou Medicine Lake. Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  HSC65672  Agrostis pallens Donald W. Miles 1979-7-23 25 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  RSA239080  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou South of big bare area between King David's and Abbot's Basin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UCD73826  Agrostis stolonifera Mr. Roseman 1913-1 13 Siskiyou Butte Valley. Comment
  UCR143549  Agrostis viridis L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  RSA120497  Allium campanulatum S. S. Tillett 1956-7-11 698 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC469231  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  CAS-BOT-BC94475  Allium falcifolium R. C. Wenk 2005-7-19 344 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  HSC65562  Allium falcifolium Rich White 1977-7-21 136 Siskiyou Between Preston Peak and Raspberry Lake 1814 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  CHSC96090  Allium siskiyouense L. P. Janeway 2006-7-4 8792 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC69111  Allium validum Maralyn A. Renner 1980-8-6 2304 Siskiyou Cracker Meadow 1555 Comment
  HSC69158  Allium validum Maralyn A. Renner 1980-8-4 2210 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC478036  Allium validum John Thomas Howell 1939-8-3 14948 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22207  Allotropa virgata J. O. Sawyer 1969-6-11 813 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 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
  UC127374  Alnus incana subsp. tenuifolia H. M. Hall and E. B. Babcock 1903-6-18 4139 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  CAS-BOT-BC169700  Alnus rhombifolia W. R. Dudley; F. H. Lamb 1896-6-29 4751 Siskiyou Goodenough Meadows. Mt. Pinos Region 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
  CAS-BOT-BC539686  Alnus viridis subsp. sinuata Doris K. Kildale 1928-8-19 6576 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC64811  Alyssum alyssoides J. P. Smith 1974-5-25 7371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  NY785946  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou 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
  RSA237656  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  UC454971  Amelanchier utahensis I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 1828 Comment
  CAS-BOT-BC45207  Anaphalis margaritacea Rodney Gregg 1948-7-30 s.n. Siskiyou South Fork of Scott River above Callahan 1219 Comment
  JEPS21784  Anaphalis margaritacea unknown Siskiyou Comment
Read comments
Jul 22 2010
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  CAS-BOT-BC391756  Anemone Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CHSC95106  Anemone deltoidea L. P. Janeway 2006-7-2 8735 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  CHSC96098  Anemone deltoidea L. P. Janeway 2006-7-3 8758 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  UC1190150  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou trail to Caribou Lake (summit of ridge above Thompson Creek) 1999 Comment
  SEINET12087309  Anemone deltoidea A. Eastwood, Howell, J. T. 1937-1 5035 Siskiyou Salmon Mountains, 5 mi SW of Etna Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  RSA183716  Anemone multifida Gilbert Muth 1965-8-6 174 Siskiyou Marble Mountains; backside of Black Mountain Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  CAS-BOT-BC391965  Anemone occidentalis M. B. Dunkle 1945-7-19 9231 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High Bluffs Comment
  UC1360403  Angelica arguta J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mi ne of Marble Valley Guard Station (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1920 Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC68394  Angelica tomentosa Maralyn A. Renner 1980-6-26 1246 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC71989  Angelica tomentosa J. M. DiTomaso 1980-8-5 1851 Siskiyou Baldy Mtn. Lookout, 6 mi W of Happy Camp, 200 m N of lookout 1707 Comment
  RSA237409  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mile east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC22435  Antennaria argentea J. O. Sawyer 1969-8-4 1795 Siskiyou Along C.C.C. road 1341 Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  UC796490  Antennaria argentea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11724 Siskiyou w of, (French Creek Logging Road) Callahan 1066 Comment
  CAS-BOT-BC59280  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Creek, Sterling Mt. Mt. Diablo Mer. 1767 Comment
  HSC22433  Antennaria argentea J. O. Sawyer 1969-6-11 835 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  SEINET2040128  Antennaria argentea Roxanna S. Ferris, Lorraine, Laura 1948-6-12 11724 Siskiyou French Creek Logging Road, west of Callahan, altitude 1070 Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC579119  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  RSA416689  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 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
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  UC22902  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC22434  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1987 Siskiyou Along S Sugar Creek 1921 Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS46319  Apocynum androsaemifolium Ruby Van Deventer 1938-7-3 183 Siskiyou between Poker Flat and Twin Valley 1371 Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC392018  Aquilegia Alice Eastwood 1922-10-18 11538 Siskiyou Shasta Springs Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC395145  Aquilegia formosa Alice Eastwood 1917-9-2 6656 Siskiyou Shasta Springs Comment
  POM99544  Aquilegia formosa var. truncata Geo. D. Butler 1910-6-17 1576 Siskiyou Hundrey Mtn. 1220 Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  RSA0126146  Arabis divaricarpa L. C. Wheeler 1934-8-6 3053 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  JEPS53022  Arabis glabra W. L. Jepson 1940-7-1 20079 Siskiyou McCloud 975 Comment
  JEPS53035  Arabis glabra Geo. D. Butler 1908-6-23 122 Siskiyou Yreka Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC40072  Arabis holboellii var. retrofracta J. P. Smith, Steve Selva 1970-6-15 3963 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC42158  Arabis holboellii var. retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  HSC90627  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-21 2023 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  POM94756  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake, Shackleford Creek. Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA0129720  Arabis platysperma George B. Grant 1902-9-7 5097 Siskiyou Mt. Shasta. Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  UC166108  Arabis subpinnatifida Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  HSC96171  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  UC1037436  Arceuthobium campylopodum Douglas Barbe 1955-7-29 314 Siskiyou 3/4 mi e Scott Mtn Rd (on private rd to Big Carmen Lake); Scott Mtns 1706 Comment
  SEINET3239865  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -64 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  CDA6783  Arctium minus R. E. Talbert 1959-9-4 Siskiyou South side Scott River, ca. 1.5 miles west-southwest of Ft. Jones. 0 Comment
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  UC83022  Arctostaphylos nevadensis Dr. E. B. Copeland 1903-7-14 3520 Siskiyou Klamathon Comment
  CAS-BOT-BC46495  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-22 s.n. Siskiyou At Little Grayback between O'Brien and Happy Camp. 1371 Comment
  JEPS20041  Arctostaphylos patula George D. Butler 1909-3-28 586 Siskiyou hill w Yreka Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  RSA126273  Arctostaphylos viscida subsp. viscida I. L. Wiggins 1955-7-23 13462 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River. 960 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  UC1190191  Arenaria congesta var. suffrutescens Ira L. Wiggins 1955-7-27 13515 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  HSC68395  Arnica cernua Maralyn A. Renner 1980-6-26 1245 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  RSA93460  Arnica discoidea M. S. Baker, H. K. Wagnon 1953-7-11 12833 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22142  Arnica latifolia J. O. Sawyer 1968-6-18 207 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  RSA238805  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  UCD77357  Arnica longifolia Robert E. Preston 2002-7-13 1922 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC29164  Arnica mollis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1251 Siskiyou Marble Mtn. Wilderness Area, below Tom's Lower Pond 1860 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  CAS-BOT-BC90078  Arnica ovata Gilbert J. Muth 1969-8-6 1218 Siskiyou Boulder Peak 2529 Comment
  RSA215638  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1969-8-6 1210 Siskiyou Boulder Peak. 2530 Comment
  RSA417434  Artemisia arbuscula subsp. arbuscula M. B. Dunkle 1945-8-2 9288 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  JEPS93949  Artemisia cana subsp. bolanderi Vernon H. Oswald and Lowell Ahart 1998-9-16 9628 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  UC933414  Artemisia douglasiana Annie Alexander and Louise Kellogg 1948-9-6 5585 Siskiyou South Fork Salmon River Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  RSA605352  Asarum caudatum L. C. Wheeler 1959-7-25 7603 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC400694  Asarum hartwegii Alice Eastwood 1923-5-18 11819 Siskiyou Shasta Springs Comment
  JEPS49845  Asclepias cordifolia Willis L. Jepson July 24, 1894-August 10, 1894 14529 Siskiyou near Sissons; Region of the Upper Sacramento Comment
  RSA569002  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET999811  Asclepias fascicularis Mark Fishbein, Lane Greer 2006-1 5886 Siskiyou Along Hill Road, 0.5 mi south of Devil's Homestead, Lava Beds National Monument, about 3.75 mi north-northwest of Schonochin Butte. 1285 Comment
  UC705672  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou near Hornbrook; Ditch Creek Comment
  UC566932  Asclepias speciosa Dorothy Tebbe 1929-7-3 8 Siskiyou Stewart's Springs Mount Eddy Comment
  HSC30617  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou Salmon Mtns., 1 mi. from Etna Summit on Rd. toward Etna. Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  POM23231  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  CAS-BOT-BC69595  Aspidotis densa Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain. Comment
  CDA42727  Aspidotis densa T. C. Fuller, D. H. Shaw 1974-9-24 20043 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  POM208194  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountains 1433 Comment
  POM23228  Aspidotis densa H. H. Tracy 1913-08 s.n. Siskiyou Castella Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  SEINET10799400 Image available Aster occidentalis var. occidentalis Edwin B. Copel 1903-9-7 Copeland 3867 Siskiyou Mt. Eddy. 2743 Comment
  UC144161  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  POM204045  Astragalus californicus Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones road. Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  CAS-BOT-BC182967  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CDA26674  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2776 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC75122  Astragalus purshii J. P. Smith, Thomas W. Nelson 1979-6-16 10142 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  RSA184717  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC1333513  Astragalus purshii var. purshii John F. Davidson 1947-5-17 4634 Siskiyou 5 mi from Callahan, 27 mi from Trinity Center, at first summit of Scott Mt. Road on n slope of Scott Mt. Comment
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  CAS-BOT-BC198718  Astragalus whitneyi var. siskiyouensis L. E. Smith 1913-7-2 448 Siskiyou Rainbow Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198704  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1946-7-20 s.n. Siskiyou Rock Fence Lake 1524 Comment
  CAS-BOT-BC198713  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou Northwest slope of Scott Mtn. - Klamath Mountains 1828 Comment
  HSC62626  Asyneuma prenanthoides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  UCD78115  Athyrium alpestre var. americanum Robert E. Preston 2002-7-14 1935 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  POM94678  Athysanus pusillus Geo. D. Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  CHSC71278  Balsamorhiza deltoidea Vernon H. Oswald; Lowell Ahart 1998-6-11 9174 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1053434  Balsamorhiza deltoidea Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3140 Siskiyou cliffs opposite of, along Sacramento River on e side of canyon, directly opposite railroad shops Dunsmuir; Sacramento River Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  SEINET193358  Balsamorhiza hookeri Unknown 1942-5-14 2919 Siskiyou One mile east of Yreka. 762 Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  CAS-BOT-BC100060  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 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
  CHSC27775  Berberis aquifolium K. Bridwell 1978-4-14 85 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC922611  Berberis aquifolium var. repens Annie M. Alexander and Louise Kellogg 1948-9-5 5584 Siskiyou at Matthews Creek (Southern Fork of Salmon River); Siskiyou Mts Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  JEPS47782  Berberis nervosa W. L. Jepson 1894-1 Siskiyou Shasta Springs Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC102119  Bidens cernua A. A. Heller 1914-8-25 11718 Siskiyou Granite sand near Deetz station opposite Black Butte 1158 Comment
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127947  Blepharipappus scaber A. M. Vollmer; L. Beane 1951-5-31 21 Siskiyou On scree near highway, Scott Mountain Comment
  UC1213857  Blepharipappus scaber Jean Langenheim 1957-5-19 4346 Siskiyou at intersection of Miners Creek road and Tiger Creek road Comment
  POM351060  Blepharipappus scaber Robert Gustafson 1985-10-19 3308 Siskiyou Stewart Mineral Springs resort. 1220 Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  UC726668  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC25413  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake-Shackleford Creek. 1219 Comment
  CAS-BOT-BC25416  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  JEPS53190  Boechera retrofracta Geo. D. Butler 1909-4-26 610 Siskiyou Quartz Valley Comment
  SEINET12004229  Boechera retrofracta Unknown 1936-1 13433 Siskiyou Weed Comment
  CAS-BOT-BC25730  Boechera sparsiflora Ira L. Wiggins 1955-7-22 13446 -A Siskiyou In South Fork of Salmon River, above Cecilville 9.5 miles. 1066 Comment
  UC375281  Boechera sparsiflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka; ; Siskiyou Co. Comment
  CAS-BOT-BC25727  Boechera sparsiflora W. B. Cooke; V. G. Cooke 1963-7-12 34337 Siskiyou Mount Shasta. 1371 Comment
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  RSA12490  Boykinia major Carl B. Wolf 1934-7-4 5947 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  UC1190138  Boykinia major Ira L. Wiggins 1955-7-22 13447 Siskiyou 9.5 mi above Cecilville (gravel bar in S Fork of Salmon River); South Fork of Salmon River 1066 Comment
  CAS-BOT-BC418460  Boykinia major C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake; Flora of the Pacific Slope 1828 Comment
  SEINET10514368  Briza maxima A. Arthur Heller 1905-6-20 Heller 8075 Siskiyou Gazelle. Comment
  CHSC98795  Bromus J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -018 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC103049  Bromus carinatus var. carinatus J. P. Smith 2014-6-7 13907 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1687 Comment
  JEPS74567  Bromus carinatus var. carinatus W. J. Ferlatte 1966-6-23 138 Siskiyou Trinity Alps, along the Yellow Rose Mine Trail Yellow Rose Mine Trail; Trinity Alps, Yellow Rose Mine Trail 1676 Comment
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 Comment
  UC1037163  Bromus carinatus var. carinatus Leo Whitney 1935-7-15 3474 Siskiyou 2 mi se of Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  CAS-BOT-BC155960  Bromus commutatus John Thomas Howell 1952-6-14 28350 Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  SEINET14341973  Bromus diandrus R. E. Frenkel 1963-1 236 Siskiyou W. of Everitt Memorial Hwy, 1.7 mi N of McCloud River RR Crossing, near Mount Shasta. 1291 Comment
  RSA239066  Bromus marginatus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1154 Siskiyou above Sundew Bog; English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA239136  Bromus marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC162135  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  CAS-BOT-BC162130  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou Along ridge between upper reaches of China and Blind Horse Creeks, south side of South Fork of Salmon River. 1645 Comment
  HSC101844  Bromus sterilis J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1024790  Bromus tectorum Leo Whitney 1934-6-29 2232 Siskiyou Tennant 1524 Comment
  UC70736  Bromus tectorum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
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Jul 21 2015
  CAS-BOT-BC185378  Bromus vulgaris W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  UCD60244  Bromus vulgaris A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3448 Siskiyou 11 miles north of Happy Camp. Banks of Indian Creek. Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  RSA238376  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  HSC65409  Callitropsis nootkatensis Rich White 1978-7-3 204 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  OBI55489  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  OBI7407  Calocedrus decurrens Bernard Smith 1965-10-2 s.n. Siskiyou McCloud River drainage. 1/2 mi N of McCloud near old CCC camp 1372 Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  CAS-BOT-BC488609  Calochortus elegans var. nanus L. E. Smith 1913-5-12 208 Siskiyou Dunsmuir Comment
  JEPS77489  Calochortus nudus Susan Horner 1978-1 421 Siskiyou 1 mi s Sheepheaven Spring (private meadow along Sheepheaven Creek, about 4.5 mi n of Bartle); Sheepheaven Creek 1402 Comment
  UC1333321  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mountain 1676 Comment
  UC160447  Calochortus nudus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC132455  Calochortus persistens Frank Callahan 2007-6-15 s.n. Siskiyou Northeast flank of Cottonwood Peak, below road at marked point 1606 Comment
  UC1163460  Calochortus persistens Marion Ownbey and S. J. Preece Jr. 1952-6-25 3341 Siskiyou w of Yreka (ridge road to Deadwood Lookout) Comment
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Nov 3 2011
  CAS-BOT-BC494021  Calochortus tolmiei Doris K. Kildale 1928-4-14 4596 Siskiyou Klamath River at Somes Bar Comment
  SEINET12045036  Calochortus tolmiei J. P. Smith 1973-1 6375 Siskiyou in & around O'Neill Campground near Seiad Valley 488 Comment
  CAS-BOT-BC181501  Caltha leptosepala Milo S. Baker 1926-8-21 293 c-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  HSC17639  Calyptridium umbellatum W. L. Jepson 1894-8-4 Siskiyou Horse Camp, Mt. Shasta, near the snow line Comment
  CAS-BOT-BC160896  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U. S. Highway 97, 4.4 miles south of Dorris Comment
  RSA68916  Campanula prenanthoides A. E. Culbertson 1943-8-1 42 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  SEINET10463323  Campanula prenanthoides Muth 1976-7-27 MUTH s.n. Siskiyou NR TWIN VALLEY, PRESTON PK QUAD, NR HAPPY CAMP 5400', MEADOW, S EXPOSURE Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  SEINET10462856  Campanula prenanthoides Butler 1908-8-10 BUTLER 145 Siskiyou SHACKLEFORD CREEK 4000 Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  SEINET10463765  Campanula scouleri Palmer 1980-8-13 Palmer 796 Siskiyou Condry Mountain quadrangle: Dead Cow Creek, near Forest Service road 47N44 from Beaver Creek Road. Mixed Conifer Forest. T47N R9W Sec. 18 NW 1/4 1615 Comment
  SEINET191618  Campanula scouleri Marion Ownbey, Fred G Meyer 1940-7-8 2226 Siskiyou 18 mi N of Happy Camp near summit of Siskiyou Mountains. Comment
  CAS-BOT-BC266463  Campanula wilkinsiana W. B. C. 1938-9-8 11665 Siskiyou Mount Shasta. Squaw Creek Meadows, near the upper end of the meadow Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  HSC90975  Cardamine californica Jennifer Whipple 1976-6-17 1025 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC471258  Cardamine cordifolia Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley 1524 Comment
  HSC40061  Cardamine oligosperma J. P. Smith, Steve Selva 1970-6-15 3955 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA531014  Cardaria pubescens B. C. Templeton 1960-6-21 8529 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CAS-BOT-BC18387  Carex A. A. Heller 1920-6-27 13390 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17862  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CAS-BOT-BC17964  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow near Sissons. Comment
  JEPS63766  Carex aquatilis W. L. Jepson July 1894 55 a Siskiyou Sisson Comment
  CAS-BOT-BC19084  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou Mount Shasta. Wagon Camp. 1737 Comment
  CAS-BOT-BC19096  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou In the Lower Wagon Camp spring area. 1737 Comment
  HSC39102  Carex bolanderi D. H. Norris 1970-5-23 12234 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC43381  Carex bolanderi Marylyn O'Meara 1974-5-25 383 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC73318  Carex concinnoides Gail Newton 1980-6-20 497 Siskiyou Near Bald Mtn. 1097 Comment
  HSC85706  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  RSA237265  Carex deflexa var. boottii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CHSC96446  Carex echinata subsp. echinata Gordon Leppig; Jennifer Kalt 1996-7-9 367 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
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC1950436  Carex echinata subsp. echinata Barbara Ertter 1990-7-14 9351 Siskiyou 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; E- facing hillside Comment
  HSC76833  Carex exsiccata L. P. Janeway 1982-8-2 103 Siskiyou 3.5 mi. up FS Rd. 18N30 from S Fork Indian Creek, 1.25 mi. down spur road into Coon Run 793 Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  POM81965  Carex feta Geo D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  HSC61113  Carex fracta Ruby Van Deventer 1955-7-31 Siskiyou FS 17N04, Mt. Bog near Doe Flat Comment
  HSC91224  Carex geyeri Jennifer Whipple 1976-6-17 1019 Siskiyou N face of Mount Eddy 2134 Comment
  SEINET11309837 Image available Carex hassei Unknown 2009-1 24535 Siskiyou Near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR). Comment
  SEINET12649459 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25668 Siskiyou 1600 Comment
  UCD140450  Carex hoodii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  RSA783704  Carex integra Barbara L. Wilson, Richard E. Brainerd 2010-8-8 16263 Siskiyou Gumboot Lake. 1875 Comment
  JEPS100907  Carex jonesii Dean W. Taylor 1987-6-7 9025 Siskiyou Paynes Springs 2011 Comment
  SEINET7563603 Image available Carex laeviculmis L. P. Janeway 2006-7-2 8743 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. Grasshopper Ridge 7.5' quad. 1554 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  HSC76370  Carex lenticularis var. impressa L. P. Janeway 1982-8-15 142 Siskiyou Below Echo Lake 1646 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL03B Comment
  HSC76392  Carex luzulina L. P. Janeway 1982-7-2 34 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  CAS-BOT-BC31621  Carex luzulina var. luzulina John Thomas Howell 1937-7-23 13332 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC107137  Carex microptera R. E. Brainerd 2009-7-22 1550 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  CHSC40177  Carex multicaulis L. P. Janeway 1983-8-7 524 Siskiyou Along S. Fk. Indian Cr. Rd. (17N32) ca 18 miles from Indian Cr. Rd. 1432 Comment
  HSC37150  Carex multicaulis J. O. Sawyer 1969-7-1 961 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 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
  CAS-BOT-BC23418  Carex multicostata Alice Eastwood 1921-7-28 10942 Siskiyou Medicine Lake. Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  JEPS119369  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle. Comment
  HSC96571  Carex nigricans Gordon Leppig, J. Kalt 1996-7-9 389 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  CAS-BOT-BC118577  Carex praegracilis Louis C. Wheeler 1935-6-30 3632 Siskiyou 3 mi S Grenada, Shasta Valley 792 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1540261  Carex raynoldsii Dean W. Taylor 1987-6-26 9064 Siskiyou 2 mi se Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  CHSC53540  Carex rossii L. P. Janeway 1983-8-7 521 Siskiyou Near 'Peak 5148'; +-open serpentine ridgetop near end of rd 17N32, ca 19 mi from Indian Cr Rd. 1554 Comment
  HSC89793  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  HSC76835  Carex rostrata L. P. Janeway 1982-8-21 166 Siskiyou SE facing slope in Twin Valley 1524 Comment
  CHSC71607  Carex scabriuscula Vernon H. Oswald 1998-8-3 9442 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
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Dec 24 2010
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  JEPS87797  Carex scabriuscula Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city), Gumboot Creek); Gumboot Creek 1783 Comment
  HSC30527  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  CHSC44945  Carex serratodens L. P. Janeway 1983-5-29 317 Siskiyou Drainage ditch on N side of Scott River Rd, on N side of Scott River; opposite Indian Scotty USFS campground. 762 Comment
  CHSC98362  Carex serratodens Thomas W. Nelson; Jane P. Nelson 1982-7-30 7322 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  POM81963  Carex simulata Geo D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  CHSC106463  Carex spectabilis Peter F. Zika 2009-8-16 24608 Siskiyou Cascade Range Highlands (CaRH). Near Road A10 (Everett Memorial Highway), Panther Meadows, S slope of Mt. Shasta, along creek. 2280 Comment
  HSC39288  Carex spectabilis J. O. Sawyer 1969-8-4 1817 Siskiyou Above Sugar Lake 2134 Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  CAS-BOT-BC117343  Carex stipata A. A. Heller 1925-7-13 13879 Siskiyou State Teachers ground near the town of Mt. Shasta. Comment
  UC70467  Carex straminiformis Geo. B. Grant September, 1902 5129 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC115857  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  HSC76829  Carex vesicaria L. P. Janeway 1982-7-2 38 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  UC1265469  Carex vesicaria var. major Frederick W. Oettinger 1968-9-4 693 Siskiyou Salmon Mountains, high lake basins in the vicinity of English Peak Marble Mountain wilderness area, along west shoreline of Abbott's Lake; white Fir Forest-Red Fir forest transition area 1722 Comment
  UC2046025  Carex viridula var. viridula Barbara L. Wilson with Mary Vance 2004-7-16 11055 Siskiyou Approximately one mile by road north of Crater Creek, in the headwaters of an unnamed tributary of Mountain House Creek, in the Klamath National Forest. Comment
  JEPS95112  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  RSA564999  Carex whitneyi D. W. Taylor, Glenn L. Clifton, R. E. Palmer 1987-6-7 9026 Siskiyou 0.7 miles west of Stud Hill. Modoc Plateau. 1646 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 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
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  HSC19229  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-8-4 1871 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  HSC72576  Castilleja applegatei subsp. pinetorum J. P. Smith 1976-5-5 8702 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  UC1374840  Castilleja applegatei subsp. pinetorum Noel H. Holmgren and Liew Fah Seong 1969-6-25 3616 Siskiyou 23 mi e McCloud (Calif Hwy 89, 1.3 mi from Shasta County line) Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  CAS-BOT-BC105070  Castilleja arachnoidea R. C. Wenk 2008-7-23 902 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  HSC19028  Castilleja arachnoidea J. O. Sawyer 1969-8-4 1857 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  JEPS57209  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  UC726462  Castilleja lacera A. A. Heller 1919-6-20 13260 Siskiyou Metcalf's Comment
  HSC61115  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  JEPS11639  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest Mountain Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  CAS-BOT-BC253620  Castilleja miniata Doris K. Kildale 1929-8-24 9027 Siskiyou White's Meadow, trail to Preston Peak 2895 Comment
  CAS-BOT-BC253625  Castilleja miniata Wm. Bridge Cooke 1939-7-7 13590 Siskiyou Bear Springs. Flora of Mount Shasta 1524 Comment
  CAS-BOT-BC254112  Castilleja miniata Wm. Bridge Cooke 1939-8-24 13897 Siskiyou Squaw Valley Creek Meadows. Flora of Mount Shasta 2438 Comment
  RSA0010947  Castilleja minor subsp. minor L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1978-7-18 4872 Siskiyou West of Table Rock, 9 air miles east of Montague. 854 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UC163706  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain 1219 Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  SFV8659  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Marble Mountain Wilderness Area. Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain). 2104 Comment
  SEINET12337129  Castilleja schizotricha Unknown 1986-1 60362 A Siskiyou SW of Cook & Green Pass, Bee Camp 1768 Comment
  UC1025089  Castilleja tenuis Leo Whitney 1934-6-29 1732 Siskiyou near Antelope Creek (near Tennant) 1463 Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  UC484150  Ceanothus cordulatus H. E. McMinn and E. B. Babcock 1929-7-25 Siskiyou 8 mi n Dunsmuir 609 Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  UCD170339  Ceanothus integerrimus D. O. Burge 2016-11-11 2198 Siskiyou Weed area, roadside on Interstate 5. 955 Comment
  CAS-BOT-BC52120  Ceanothus prostratus Alice Eastwood 1912-7-18 1218 Siskiyou Sisson Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC100190  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13410 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  SEINET13946079 Image available Ceanothus sanguineus Linstedt, Strull, Houseman 1984-1 67 Siskiyou T40N R7W SEC32, SW 1/4. Indian Scotty Campground. Elev 2300 ft 701 Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  SBBG71408  Ceanothus velutinus var. velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  CDA20007  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -C Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  HSC37528  Centaurea cyanus J. P. Smith 1974-5-26 7529 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  POM130658  Centaurium muehlenbergii E. B. Copeland 1903-7-14 2513 Siskiyou Klamathon. Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  HSC68020  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4037 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC207626  Cercis occidentalis Doris K. Kildale 1929-5-31 9123 Siskiyou Cecilville, south fork of Salmon River. Comment
  CAS-BOT-BC148514  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou Ridge ne. of Callahan on road to Gazelle Comment
  UC136528  Cercocarpus ledifolius var. ledifolius E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook; Pacific Coast, Hornbrook Comment
  HSC18582  Cercocarpus montanus R. C. Wunner 1965-7-9 390 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  SEINET6921078  Cercocarpus montanus var. glaber M. K. Solecki, J. B. Taft 1986-9-9 2150 Siskiyou About 15 miles southwest of Grenada, near lava tube cave. Comment
  HSC82203  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5968 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  NY19023  Chamaecyparis lawsoniana H. E. Brown 1897-6-1 s.n. Siskiyou Near Sisson 1083.6 Comment
  UCSB15883  Chamaesaracha nana Breedlove, Dennis 1952-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CDA35273  Chamaesyce serpyllifolia T. C. Fuller 1962-8-3 9506 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  HSC69061  Chamerion angustifolium subsp. circumvagum Maralyn A. Renner 1980-8-6 2323 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC68201  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  CHSC50  Cheilanthes gracillima V. Holt 1932-7-24 Siskiyou Mt. Eddy. Comment
  HSC69196  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2691 Siskiyou Bear Mtn. Comment
  CAS-BOT-BC68213  Cheilanthes gracillima H. M. Hall 1909-7-28 8674 Siskiyou Head of Salmon River 1645 Comment
  CAS-BOT-BC68240  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mts. - Head Jaynes Canyon - Mt. Dieablo Mer. 2072 Comment
  HSC78315  Cheilanthes gracillima L. P. Janeway 1983-9-22 687 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  SEINET13243305  Cheilanthes gracillima Robert T. Clausen, Trapido, Harold 1940-7-26 4953 Siskiyou FLORA OF NORTH AMERICA PACIFIC SLOPE GEOGRAHICAL PROVINCE: So. Cascade Mts. east side of canyon on Mud Creek, Mt. Shasta 1585 Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UCD77531  Chimaphila menziesii Robert E. Preston 2001-6-23 1550 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC40202  Chimaphila umbellata Jerry Parker 1968-10-6 132 Siskiyou Salmon Mtns., above Little Duck Lake Comment
  HSC65504  Chimaphila umbellata R. White 1977-7-21 120 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC452261  Chimaphila umbellata Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Regreat Comment
  SEINET7220249  Chimaphila umbellata var. occidentalis W. Roderick 1967-7-23 s.n. Siskiyou Cook & Green Pass, N of Seiad Valley 1372 Comment
  SEINET12047170  Chlorogalum pomeridianum F. H. Utech 1978-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  UCD58333  Chorispora tenella Steve Orloff 2007-5-22 3 Siskiyou From Gazelle in Shasta Valley. Just off of Old 99 and Scarface Road. Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  UC164452  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou Head of Russian Creek Comment
  HSC30271  Chrysolepis sempervirens William J. Ferlatte 1971-9-19 1385 Siskiyou NW side of Caribou Mtn. 2073 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  SEINET11860560  Chrysothamnus nauseosus subsp. albicaulis J. P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mountains 1219 Comment
  UCD130483  Cichorium intybus Morris Halperin 1930-5-17 s.n. Siskiyou near Montague, Schumacher Gulch. Comment
  UC106567  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  SD9199  Cicuta douglasii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  HSC19235  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1408 Siskiyou Head of S Russian Creek 1829 Comment
  UC1333301  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou little stream which empties into Etna Creek (Salmon Mt. Range); Salmon Mt. Range 1176 Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  HSC69340  Circaea alpina subsp. pacifica John Palmer 1980-8-13 787 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA237259  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-6-28 132 Siskiyou Kelly Gulch, tributary of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 677 Comment
  JEPS93965  Cirsium arvense Vernon H. Oswald and Lowell Ahart 1998-9-16 9633 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  UCD130565  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 s.n. Siskiyou north side York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  CAS-BOT-BC279889  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  JEPS105061  Cirsium douglasii var. breweri Dean W. Taylor 1996-7-11 15782 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  CAS-BOT-BC285575  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-20 1256 Siskiyou Hornbrook Comment
  CDA21701  Cirsium ochrocentrum subsp. ochrocentrum T. C. Fuller 1979-10-3 20272 Siskiyou 1.6 km south of Tecnor, Red Rock Valley, southeast of Macdoel. 0 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  RSA120892  Clarkia cylindrica subsp. cylindrica Milo S. Baker 1957-6-16 15156 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  UC796568  Clarkia gracilis subsp. gracilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11711 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC20324  Clarkia lassenensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC164341  Clarkia lassenensis Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  HSC46174  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2348 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS25602  Clarkia rhomboidea Rimo Bacigalupi 1959-7-2 7235 Siskiyou low divide between Coffee Creek and South Fork Salmon River (at boundary of Trinity and Siskiyou counties) 1524 Comment
  POM32374  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Near Hawkinsville Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  RSA458874  Clarkia rhomboidea M. B. Dunkle 1944-7-15 9111 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  SEINET4145698  Clarkia rhomboidea G. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  CAS-BOT-BC439628  Claytonia parviflora subsp. parviflora J. M. Miller 1974-6-2 358 Siskiyou Siskiyou Mountains. Dillon Creek Campground; Klamath River Highway (State Hwy. 96) where Dillon Cr. meets the Klamath River. Comment
  UC1258454  Claytonia perfoliata subsp. intermontana Maralyn A. Renner 1980-6-24 1001 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by F.S. Road 48N20); Klamath National Forest, Seiad Valley Quad. 1021 Comment
  CAS-BOT-BC443820  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC39746  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-4 2089 Siskiyou Along Sugar Creek 823 Comment
  UC1223241  Claytonia sibirica Joseph P. Tracy 1951-6-16 19463 Siskiyou Takilma-Happy Camp Road Siskiyou Mountains (n of summit crossing of Siskiyou Mountains, where small stream crosses road) Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  CAS-BOT-BC238054  Collinsia Alice Eastwood 1912-7-16 1144 Siskiyou Mc Cloud [McCloud] Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  POM43379  Collinsia linearis Geo. D. Butler 1909-5-30 758 Siskiyou Humbug Mountain. 1220 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  HSC20614  Collinsia parviflora R. C. Wunner 1965-6-6 81 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  HSC46177  Collinsia rattanii Jennifer Whipple 1977-4-30 1888 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC164317  Collinsia rattanii Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain Comment
  UCD20188  Collinsia rattanii J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  RSA237358  Collinsia torreyi Frederick W. Oettinger 1967-6-24 115 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1409406  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou meadow s of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 2026 Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  HSC19050  Collinsia torreyi var. latifolia J. O. Sawyer 1969-7-18 1393 Siskiyou W facing slope above S Russian Creek 1860 Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  HSC19052  Collomia tinctoria J. O. Sawyer 1969-7-16 1134 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  CAS-BOT-BC230679  Collomia tracyi Clarence R. Quick 1958-6-17 58 -28 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  RSA150574  Corallorhiza maculata Lee W. Lenz 1961-6-21 24358 Siskiyou Road between Aetna and Somes Bar Comment
Read comments
Jun 10 2012
  SEINET3864281  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road.; 0 997 Comment
  UCD123125  Cordylanthus tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. 806 Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  UCD123142  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou road to trailhead for Black Butte trail. 1353 Comment
  HSC101187  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; along road, starting 0.6 miles east of road 20M020 and extending at least 1.2 miles. 933 Comment
  UCD123172  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Comment
  JEPS85955  Cordylanthus tenuis subsp. viscidus Don Burk 1990-8-18 Siskiyou 0.3 mi below Gumboot Creek crossing (both sides of rd 40N26); The Eddy's 1706 Comment
  RSA523399  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  RSA0019560  Cornus californica C. B. Wolf 1934-7-6 5988 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  JEPS50155  Cornus nuttallii W. L. Jepson 1894-8-9 14143 Siskiyou Shasta Springs Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  UC60983  Cornus sericea subsp. sericea Geo. B. Grant September 1902 5212 Siskiyou Mt. Shasta, Dunsmuir 609 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
  RSA96961  Crataegus suksdorfii Percy C. Everett, E. K. Balls 1954-10-12 20275 Siskiyou along Klamath River, Hwy 96, 5.8 miles NW from Hamburg. 366 Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  POM230913  Crepis monticola E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1936 Siskiyou Grassy old river terrace with small scattered oaks about 8 miles south of Yreka 823 Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 Comment
  CAS-BOT-BC290738  Crepis occidentalis subsp. conjuncta Harley P. Chandler 1901-6-1 1644 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  HSC76914  Crepis pleurocarpa K. T. Stillman 1976-6-26 126 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  RSA183735  Crepis pleurocarpa Gilbert Muth 1965-8-11 207 Siskiyou Upper meadows, Marble Valley, Marble Mts. Comment
  POM31899  Crocidium multicaule Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka Hills. Comment
  RSA715496  Cryptantha flaccida L. Ahart 2005-6-9 12022 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC536684  Cryptantha intermedia D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne of Weed 1097 Comment
  JEPS101588  Cryptantha milobakeri Dean W. Taylor 1999-6-9 17235 Siskiyou Agate Flat, 0.3 mi S of Oregon Sate Line 1005 Comment
  UCD119885  Cryptantha milobakeri J. P. Smith; Steve Selva 1970-6-14 3862 Siskiyou Siskiyou County. Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  SBBG30587  Cryptantha torreyana D. Myrick 1968-6-25 2017 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET9628241 Image available Cryptogramma cascadensis W. B. Cooke 1941-1 16304 Siskiyou Scattered through the lava slopes above Horse Camp, Mt. Shasta. 2515 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  CAS-BOT-BC80555  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou Northwest slope of [Goose Nest] Goosenest, East of Yreka 1828 Comment
  CAS-BOT-BC80566  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA22767  Cupressus bakeri O. V. Matthews 1939-7-11 31 Siskiyou Seiad Grove - Seiad Region, west side of mining company trail along ridge above cook house 915 Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  RSA38304  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte 1220 Comment
  UC1950079  Cymopterus terebinthinus var. californicus Barbara Ertter with Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 97 NE of Weed Comment
  POM72146  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug Road. Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  CDA5636  Cynoglossum officinale G. Deal 1969-8-1 Siskiyou 0.25 mile northwest of Barnum Flat Reservoir, southeast Siskiyou County. 0 Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  CAS-BOT-BC114688  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou W. Fork Beaver Dreek. 1066 Comment
  JEPS93885  Cyperus squarrosus Vernon H. Oswald and Lowell Ahart 1998-7-21 9338 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
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC133738  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  CAS-BOT-BC70712  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou Along Thompson Creek, 3.5 miles above South Fork of Salmon River 1371 Comment
  CDA42724  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2637 Siskiyou Beside Callahan/Gazelle Road, c. 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  RSA47815  Cystopteris fragilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11765 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  CDA31646  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  CAS-BOT-BC76245  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1219 Comment
  JEPS19772  Darlingtonia californica Rimo Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou springy bog at w end Gumboot Lake (head of South Fork of Sacramento River, close to Trinity County line) 1859 Comment
  OBI55413  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC142509  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mt. Eddy 1219 Comment
  UC70416  Darlingtonia californica Milo S. Baker 1888-1 Siskiyou Castle Lake Comment
  UCD168832  Darlingtonia californica Barry Rice 2015-8-15 BR 150803 Siskiyou Small site on the side of Hwy 26. 1786 Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS86129  Delphinium Wayne Roderick 1958-4 Siskiyou w Etna; Salmon Mt. Summit 1828 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CHSC1443  Delphinium decorum subsp. tracyi S. Friday 1935-4-14 Siskiyou Scott valley. 1188 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  CAS-BOT-BC9892  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E. slope, Caldwell Butte, Lava Beds National Monument 1676 Comment
  HSC24999  Delphinium nudicaule R. C. Wunner 1965-6-6 73 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  RSA99311  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116162  Delphinium nuttallianum D. E. Breedlove 1962-6-11 3362 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range. 1127 Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  RSA49961  Delphinium nuttallianum E. K. Balls 1949-7-8 13899 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  CHSC71339  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1998-6-11 9223 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC86561  Deschampsia elongata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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  JEPS25655  Deschampsia elongata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7298 Siskiyou ca. 4 mi. n.-n.e. Preston Peak (just e. of Del Norte Co. line); Siskiyou Mts., Twin Valley, Indian Creek watershed 1493 Comment
  RSA602388  Deschampsia elongata L. C. Wheeler 1935-7-26 3704 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  CHSC86663  Descurainia pinnata subsp. halictorum Jenny Marr 1993-7-1 46 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS82679  Dicentra pauciflora Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City (above Castle Lake, on up and clear down to the lake) 1981 Comment
  UCD150602  Dicentra pauciflora Rolf Y. Berg 1964-7-15 s.n. Siskiyou Seiad Valley. Near Lily Pad Lake; west of Cook and Green Pass. Comment
  JEPS9733  Dicentra uniflora W. L. Jepson 1940-6-27 20044 Siskiyou e slope Mt. Shasta 2133 Comment
  CAS-BOT-BC500906  Dichelostemma capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley 1066 Comment
  SEINET3885619  Dichelostemma congestum D. W. McNeal 1978-6-2 2156 Siskiyou On a rd. bank beside the Happy Camp-Cave Jct. Rd., 10.7 mi. N. of its jct. with Hwy. #96 in Happy Camp.; 0 Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  HSC30435  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Marble Mtns. Wilderness Area, just above Willow Springs on trail between Abbott's Upper Cabin and English Lake 1692 Comment
  SEINET10533978  Dichelostemma multiflorum A. Arthur Heller 1905-6-1 Heller 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  CAS-BOT-BC290997  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC86848  Dieteria canescens var. shastensis J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  CAS-BOT-BC153446  Diplacus layneae D. E. Breedlove 1962-6-11 3361 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  SEINET208779  Diplacus layneae Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2116 Siskiyou 5 mi N of Mt Shasta at Black Butte on old highway 1195 Comment
  HSC92946  Dodecatheon alpinum Jennifer Whipple 1976-6-12 972 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  HSC29258  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At 'Base Camp Meadow' between Diamond and Hancock Lakes 201 Comment
  RSA237243  Dodecatheon jeffreyi Frederick W. Oettinger 1967-7-8 160 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  RSA297050  Dodecatheon jeffreyi John F. Emmel 1974-7-19 518 Siskiyou wet meadow 0.2 air mile west of Lily Pad Lake. 1753 Comment
  CHSC71293  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1998-6-11 9225 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS108465  Downingia pulcherrima Lisa Schultheis 1995-6-28 236 -95 Siskiyou Outside of Weed. Trailer Lane, just W of ramp to I-5 S. Comment
  HSC75120  Downingia yina J. P. Smith, Thomas W. Nelson 1979-6-16 10140 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  UCD115550  Draba pterosperma J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3757 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  HSC28739  Drosera rotundifolia Frederick W. Oettinger, R. F. Thorne 1969-8-8 1300 Siskiyou Marble Mtn. Wilderness Area, W above English Lake. 1829 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  SEINET6652792  Drymocallis glandulosa var. glandulosa G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC90742  Drymocallis lactea var. lactea Jennifer Whipple 1976-7-8 1372 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC859900  Drymocallis pseudorupestris A. A. Heller 1915-8-26 12217 Siskiyou near the source Wagon Creek (Mt. Eddy); , near source of Wagon Creek 2621 Comment
  HSC44936  Drymocallis rhomboidea J. O. Sawyer 1978-6-19 3246 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  CAS-BOT-BC158418  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest 1432 Comment
  HSC26910  Eleocharis acicularis J. P. Smith, J. O. Sawyer 1971-9-17 4776 Siskiyou Shallow water at edge of Little Duck Lake Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  JEPS19409  Eleocharis bella B. C. Goldsmith 1916-9-9 22 Siskiyou Klamath Hot Springs Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  HSC30715  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Marble Mtn. Wilderness Area, vernal pool at Upper English Lake 1768 Comment
  JEPS19423  Eleocharis macrostachya W. L. Jepson Jul 1894 58 a Siskiyou Sisson Comment
  POM264766  Eleocharis parishii L. C. Wheeler 1934-6-29 2826 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  CAS-BOT-BC227131  Elymus X hansenii Geo. D. Butler 1910-5-4 1278 Siskiyou Near Yreka Comment
  POM359940  Elymus elymoides M. B. Dunkle 1945-07 9241 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UC197116  Elymus elymoides subsp. hordeoides Geo. D. Butler 1910-5-4 1278 Siskiyou Yreka 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
  HSC39673  Elymus glaucus J. P. Smith, J. O. Sawyer 1971-9-18 4831 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  POM359958  Elymus multisetus E. Yale Dawson 1948-7-16 5093 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  CAS-BOT-BC213812  Elymus repens Dorothy Parker 1945-9-9 121 Siskiyou Fields on Parker Ranch, Plowman's Valley 1097 Comment
  HSC101396  Elymus spicatus J. P. Smith, J.0. Sawyer, R. J. Cole 2010-8-7 13052 Siskiyou Kalmath National Forest. Forest Service Road 40N24 to Crater Lake 1768 Comment
  SEINET5642816  Elymus spicatus Jennifer J. Whipple 1977-7-22 2034 Siskiyou Weed quad. Dobkins Lake drainage on east facing slope above Dobkins Lake.; 0 2256 Comment
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UC642572  Epilobium anagallidifolium W. Bridge Cooke 1939-7-26 13747 Siskiyou west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  SD3238  Epilobium brevistylum Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs. Comment
  SEINET6637243 Image available Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-1 12213 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  HSC68572  Epilobium glaberrimum Maralyn A. Renner 1980-6-23 696 Siskiyou W Fork Seiad Creek 878 Comment
  HSC96409  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, J. Kalt 1996-7-9 364 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  HSC29167  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Marble Mtn. Wilderness Area, Little Medicine Mtn., N of Hancock Lake 2043 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
  SEINET3149901  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  SD61057  Epilobium paniculatum Darley F. Howe 1964-8-5 3940 Siskiyou 3.7 miles south of north entrance to Klamouth National Forest on Highway 97. 1584 Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  RSA591595  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC204628  Eragrostis mexicana subsp. virescens R. E. Frenkel 1963-7-13 220 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing near Mount Shasta 1219 Comment
  CDA31774  Eragrostis mexicana subsp. virescens D. H. Shaw 1973-8-23 Siskiyou Cherry Farms, Macdoel 0 Comment
  UC197191  Eragrostis pilosa var. pilosa Geo. D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  CAS-BOT-BC168847  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC168332  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  HSC22140  Eremogone congesta var. suffrutescens J. O. Sawyer 1969-7-9 1255 Siskiyou W facing slope above Bingham Lake 2317 Comment
  JEPS116879  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  RSA14486  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake 1982 Comment
  RSA3385  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud 0.5 mile above junction with Pacific Highway 793 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  SBBG7920  Ericameria bloomeri H. and M. Dearing 1948-9-12 6733 Siskiyou Mt Shasta 2316 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC287488  Ericameria greenei Alice Eastwood 1912-8-30 2040 a Siskiyou Mt Eddy Comment
  HSC29100  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 Siskiyou The High Lake Basins near English Peak; near lookout, along trail on west slope of English Peak 2226 Comment
  JEPS16943  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou pass just s of Mount Eddy 2438 Comment
  SBBG126110  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 mi (air) NW of Big Springs Lake, 3.9 mi (air) SE of Grenada, 6.3 mi (air) NW of Dwinnel Dam 778 Comment
  SJSU15105  Ericameria nauseosa var. oreophila C. W. Sharsmith 1992-9-17 9242 Siskiyou Devils Homestead (lava flow) Lava Beds National Monument Comment
  CAS-BOT-BC294308  Ericameria nauseosa var. speciosa Alice Eastwood 1912-8-28 1938 Siskiyou Cantara Comment
  HSC104144  Ericameria nauseosa var. speciosa Dana York 2011-9-8 3084 Siskiyou Klamath National Forest, Marble Mountain Wilderness, along summit of Marble Mountain, ~2.1 km N of Black Marble Mountain 2120 Comment
  UC726586  Ericameria parryi var. latior A. A. Heller 1927-8-1 Siskiyou Sisson Comment
  JEPS101141  Erigeron bloomeri var. nudatus Dean W. Taylor 1996-6-18 15723 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CAS-BOT-BC294524  Erigeron breweri var. breweri Lemmon 1880-7-1 s.n. Siskiyou Mt Eddy near Shasta Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC295427  Erigeron inornatus var. calidipetris W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  JEPS41438  Erigeron inornatus var. inornatus Willis L. Jepson Jul 24 1894-Aug 10 1894 - 0 Siskiyou Sisson Comment
  SEINET5708483 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  UC179496  Erigeron inornatus var. inornatus A. A. Heller 1914-8-25 11717 Siskiyou along the railroad embankment near Deetz station (opposite Black Butte) 1158 Comment
  SEINET11859479  Erigeron inornatus var. inornatus Unknown 1953-1 123 Siskiyou Blue Point, Scott Mountain Public Campground, Klamath National Forest, Scott Mountains 1631 Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  UC468829  Erigeron philadelphicus var. philadelphicus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC727120  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou e base of Deer Mountain Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  CAS-BOT-BC255733  Eriogonum elatum var. elatum Elmer I. Applegate 1923-9-6 3945 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  UC163808  Eriogonum elatum var. villosum Geo. D. Butler 1910-7-29 1797 Siskiyou near Yreka Comment
  JEPS83646  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
  RSA279671  Eriogonum hirtellum James L. Reveal 1978-8-9 4813 Siskiyou Along dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the jct of 17N23, on a ridge dividing Doolittle Creek and little South Fork, about 3.5 miles NNE of the lookout. 1341 Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  JEPS87645  Eriogonum marifolium Vernon H. Oswald and Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y ca 1 mi n Pilgrim Creek Rd (FS 13) (ca 11 air mi ne of McCloud); Elk Flat 1243 Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  UC642570  Eriogonum marifolium W. B. Cooke 1939-6-23 13529 Siskiyou vicinity Wagon Camp (along Wagon Camp road); Mount Shasta 1676 Comment
  CAS-BOT-BC263176  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-9-1 2073 Siskiyou Mount Shasta Comment
  CAS-BOT-BC263181  Eriogonum marifolium var. cupulatum A. A. Heller 1914-8-28 11741 Siskiyou East side of Mt. Eddy 2194 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  CHSC102576  Eriogonum marifolium var. marifolium L. P. Janeway 2009-8-3 9890 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  HSC78317  Eriogonum nudum var. nudum L. P. Janeway 1983-8-28 643 Siskiyou Poker Flat, dry NE edge of lower portion of meadow 1524 Comment
  CAS-BOT-BC269740  Eriogonum nudum var. oblongifolium Alice Eastwood 1912-7-23 1355 Siskiyou Cantara Comment
  CAS-BOT-BC269745  Eriogonum nudum var. oblongifolium L. E. Smith 1912-8-1 s.n. Siskiyou Yreka Comment
  SD22512  Eriogonum nudum var. oblongifolium Susan G. Stokes July 14 Siskiyou Near Yreka Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  UC85678  Eriogonum pyrolifolium J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  CHSC1329  Eriogonum pyrolifolium var. pyrolifolium K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  CAS-BOT-BC94541  Eriogonum siskiyouense R. C. Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  UC727196  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy 2682 Comment
  UC909330  Eriogonum strictum var. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill Plowman's Valley, Schoolhouse Hill 1153 Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  UCD129465  Eriogonum umbellatum Beecher Crampton 1956-8-21 3841 Siskiyou above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  CAS-BOT-BC267990  Eriogonum umbellatum var. argus J. F. Emmel 1968-7-18 89 Siskiyou Slope south above Castle Lake 1889 Comment
  CAS-BOT-BC267995  Eriogonum umbellatum var. argus Gordon H. True 1966-9-9 3293 Siskiyou 20 miles south east of Obrien on Happy Camp Road 1524 Comment
  JEPS56188  Eriogonum umbellatum var. dumosum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Horseshoe Bend Comment
  RSA420693  Eriogonum umbellatum var. dumosum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  UC195252  Eriogonum umbellatum var. humistratum Annie M. Alexander and Louise Kellogg 1911-8-14 322 Siskiyou Mt. Eddy Comment
  CHSC57443  Eriogonum umbellatum var. modocense L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  CHSC69084  Eriogonum umbellatum var. nevadense Vernon Oswald; Lowell Ahart 1997-7-28 8792 Siskiyou Southeast of Medicine Lake at Paynes Springs. Common subshrub on the rim of Paynes Creek Canyon north of the campground. 1981 Comment
  UC585248  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1925 Siskiyou s of highway sw Yreka; Forest House Mt. 1363 Comment
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  UC1413445  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou 4.5 mi e Callahan (along California Highway 3, 2.5 mi se of the junction with the county road to Gazeele) 1371 Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook Comment
  UC971920  Eriogonum vimineum Herbert L. Mason 1950-7-15 14040 Siskiyou stream wash, Scott Creek Scott Valley, Scott Creek Comment
  CAS-BOT-BC262369  Eriogonum vimineum L. E. Smith 1913-7-7 s.n. Siskiyou Yreka Comment
  JEPS83994  Eriophorum crinigerum L. R. Heckard with J. Hickman et al. 1986-7-17 6467 Siskiyou s Lily Pad Lake (trail up peak, ca 5 mi n of town of Seiad Valley); Kangaroo Peak 2011 Comment
  HSC45903  Eriophyllum lanatum Laura Witherspoon 1978-8-18 98 Siskiyou Klamath National Forest; Ball Mtn. Lookout Comment
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  SEINET10672050  Eriophyllum lanatum Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-2 Morris 369 Siskiyou Found in an open meadow associated with yellow pine on the south side of Hwy. 3, 22 mi. E of Fort Jones. Comment
  CAS-BOT-BC301115  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 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
  UCD77681  Eriophyllum lanatum var. achilleoides Robert E. Preston 2002-7-14 1938 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  CAS-BOT-BC301110  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the west base of Deer Mountain on U. S. Highway #97 Comment
  CAS-BOT-BC301453  Eriophyllum lanatum var. grandiflorum Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  CHSC96031  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2006-7-3 8768 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  HSC19556  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-25 1548 Siskiyou W of High Lake 2256 Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  RSA183490  Eriophyllum lanatum var. lanceolatum J. M. Tucker, L. K. Mann 1963-8-18 3763 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  UC163899  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain Comment
  UC1565572  Eryngium mathiasiae Beth Corbin 1989-8-28 546 Siskiyou ca. 14 air mi. n. Fall River Mills (ca. 1/4 mi. s. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54579  Erysimum capitatum Doris K. Kildale 1929-7-20 8584 Siskiyou East spur Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  CAS-BOT-BC55115  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34275 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 2286 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  JEPS128470  Erythranthe guttata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CAS-BOT-BC105089  Erythranthe linearifolia R. C. Wenk 2008-7-25 961 Siskiyou 9.5 miles W of Callahan on Forest Highway 93 / Cecilville Rd. 1592 Comment
  JEPS61854  Erythronium grandiflorum W. L. Jepson 1907-7-5 2826 Siskiyou Marble Mt. Comment
  CAS-BOT-BC403675  Eschscholzia californica Doris K. Kildale 1929-5-26 9197 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  RSA417681  Eucephalus ledophyllus var. covillei M. B. Dunkle 1945-1 9311 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  RSA480970  Euphorbia lathyris W. Bridge Cooke 1940-6-20 15153 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  UC166579  Eurybia radulina Geo. D. Butler 1908-8-10 994 Siskiyou Shackelford Creek Comment
  CAS-BOT-BC413902  Fallopia convolvulus R. E. Frenkel 1963-7-13 249 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  UCD98903  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  HSC65365  Festuca californica J. P. Smith 1973-5-5 6514 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  POM215869  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  RSA239115  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Northeast Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD66110  Festuca idahoensis Mr. Roseman 1913-1 18 Siskiyou Butte Valley. Comment
  CAS-BOT-BC278724  Festuca idahoensis Clare B. Hardham 1961-6-30 8000 B Siskiyou Siskiyou Mountains. White Mt., Siskiyou Mts. Comment
  HSC103043  Festuca microstachys J. P. Smith 2014-6-7 13901 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  CAS-BOT-BC278874  Festuca occidentalis John Thomas Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC61574  Festuca pratensis L. P. Janeway 1983-8-26 602 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of the meadow. 1524 Comment
  UC197105  Festuca roemeri Geo. D. Butler 1909-6-13 833 Siskiyou Moffitt Creek Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CAS-BOT-BC278639  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  CDA25856  Fragaria vesca T. C. Fuller 1958-6-18 1816 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  HSC69738  Frangula californica subsp. californica Maralyn A. Renner 1980-6-26 1279 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC53417  Frangula californica subsp. occidentalis Doris K. Kildale 1929-8-24 8812 Siskiyou Preston Peak 2225 Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA576954  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  UCD77732  Fritillaria atropurpurea Robert E. Preston 2002-6-20 1862 Siskiyou Klamath National Forest, Rainbow Mountain. 1910 Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC96831  Galium aparine S. Lyon 2006-6-3 3 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UC1409412  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou in brushy area between Willow Springs and English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  RSA165560  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-6-30 1820 Siskiyou Near White Mt. Comment
  UCD121804  Galium mexicanum subsp. asperulum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  CAS-BOT-BC223196  Galium serpenticum subsp. scotticum Clifton; Ground 1978-7-2 1842 Siskiyou Near Scott Mountain Summit, on the China Mt quadrangle, close to the town of Callahan 1704 Comment
  HSC82001  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4852 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  HSC19812  Galium serpenticum subsp. scotticum F. Ehrendorfer, G. L. Stebbins 1959-6-29 5915 Siskiyou Siskiyou/Trinity Co. line, W flank of Scott Mtn. 1921 Comment
  HSC23549  Galium triflorum J. O. Sawyer 1970-7-4 2320 Siskiyou S of Cedar Flat Cabin 1494 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake Comment
  HSC24867  Gentiana calycosa Richard Spjut Aug 1970 1265 Siskiyou Marble Mtn. Wilderness Area, W side of ridge between Bear Lake and Turk Lake 2012 Comment
  HSC91302  Gentiana newberryi Jennifer Whipple 1976-7-24 1562 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  UCD35430  Gentiana newberryi Beecher Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  POM91453  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  UC23896  Gilia capitata subsp. capitata T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  CAS-BOT-BC282720  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  HSC22311  Glyceria elata J. O. Sawyer 1969-7-12 1353 Siskiyou Edge of Sugar Lake 1799 Comment
  JEPS118216  Glyceria elata Dean W. Taylor 2004-7-19 19189 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UCD85158  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC282842  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  UC1192118  Gnaphalium palustre Herbert L. Mason 1948-7-17 13605 Siskiyou Eastern Grass Lake Comment
  POM4641  Gnaphalium palustre Copeland 1903-10-5 3826 Siskiyou Igerna. Comment
  POM56236  Gnaphalium palustre Geo D. Butler 1910-6-12 1560 Siskiyou Yreka Creek. Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  SJSU3570  Grindelia nana G. R. Ostrander 1965-7-14 78 Siskiyou by state Rte 89, 10 mi E of McCloud 1219 Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  HSC22205  Hackelia micrantha J. O. Sawyer 1968-7-2 364 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC54749  Hackelia micrantha Harley P. Chandler June, 1901 1604 Siskiyou near Marble Mountain; Northern Coast Ranges 1828 Comment
  CHSC4164  Hastingsia alba R. Carter 1966-5-15 408 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. 1310 Comment
  JEPS30000  Hastingsia alba Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7986 Siskiyou n end town Mt. Shasta (Sisson) Comment
  UC61498  Hastingsia alba W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC705670  Hastingsia alba Marion Ownbey, Fred G. Meyer 1940-7-7 2216 Siskiyou near summit Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CAS-BOT-BC508658  Hastingsia alba W. B. C. 1939-7-21 13727 Siskiyou Sedge Swamp at Wagon Camp Comment
  RSA211315  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC61973  Hazardia whitneyi var. discoidea Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 1982 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
  UC637028  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou near summit Little Grayback 1868 Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306734  Helenium bigelovii John M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306750  Helenium bigelovii David D. Keck 1938-8-8 4867 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  JEPS74421  Helenium bigelovii W. J. Ferlatte 1966-8-2 231 Siskiyou between campground and S. Fork of the Salmon River; Trinity Alps, Big Flat 1524 Comment
  UCR37839  Helenium bigelovii L. P. Janeway 1983-7-31 479 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC306755  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  RSA183722  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley; Marble Mts. Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  CAS-BOT-BC305573  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  POM215863  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 miles W of Greenview, Scott Valley. 884 Comment
  RSA608378  Heterotheca oregona L. C. Wheeler 1934-9-15 3265 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC311089  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  CHSC99997  Heuchera merriamii L. P. Janeway 2008-7-25 9494 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  HSC22093  Heuchera merriamii J. O. Sawyer 1969-8-2 1707 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  UC1409256  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou trail n of Crapo Peak Ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  HSC101874  Heuchera micrantha R. D. Whittlesey 2013-8-3 15 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  RSA782326  Heuchera micrantha R. W. Spjut, Paul Burchstead 2008-6-12 16341 Siskiyou Klamath Region. Klamath National Forest: vicinity of Sawyers Bar along the North Fork of the Salmon River. Along south side of river just across the bridge south of paved road. 658 Comment
  HSC30614  Heuchera micrantha Frederick W. Oettinger 1969-8-12 1344 Siskiyou 1/4 mi. up from Abbott's Lower Cabin by rock wall 1189 Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  HSC61159  Heuchera rubescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC424371  Heuchera rubescens Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jayne canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC319694  Hieracium albiflorum Alice Eastwood 1921-7-25 10846 Siskiyou Bigelows, McCloud River Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  SD98875  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort area 609 Comment
  CAS-BOT-BC318508  Hieracium bolanderi J. P. Smith; J. O. Sawyer 1975-10-23 8488 Siskiyou Unspecified 1767 Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC318646  Hieracium horridum Douglas Barbe 1959-7-4 519 Siskiyou North shore of Caribou Lake about 4 mi SW of Big Flat Camp, Klamath Nat'l Foest 2103 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  POM360467  Hieracium scouleri var. nudicaule L. S. Rose 1937-7-25 37590 Siskiyou South slope of Mt. Shasta. 1768 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC94  Holodiscus discolor William J. Ferlatte 1966-8-18 429 Siskiyou At the summit of Willow Cr. Trail, on an exposed ridge. Comment
  UC1951318  Holodiscus discolor Robert F. Thorne and Fred Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near crest of ridge above English Lake, along trail to Hancock Lake. Comment
  CAS-BOT-BC150131  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC60828  Hordeum brachyantherum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM352444  Hordeum brachyantherum M. B. Dunkle 1945-7-24 9266 Siskiyou Klamath National Forest. Marble Mtns. Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  CHSC4677  Horkelia daucifolia R. Carter 1966-5-15 405 Siskiyou 1.7 mi. SE of Callahan, 1.1 mi. S of intersection of Callahan-Gazelle Rd. and Old Oregon Stage Rd. On slope 15 yds. off W side of road. 1310 Comment
  CHSC57449  Horkelia daucifolia L. P. Janeway 1984-6-22 870 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08/ 1645 Comment
  SBBG2948  Horkelia daucifolia H. and M. Dearing 1939-6-3 2531 Siskiyou near Scotts Bar Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  UC453995  Horkelia fusca subsp. parviflora I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  RSA317342  Horkelia fusca subsp. pseudocapitata James R. Shevock 1972-7-25 2223 Siskiyou Hwy 79 near Mt. Shasta, NE of Weed. 1524 Comment
  CAS-BOT-BC514286  Horkelia fusca var. pseudocapitata A. A. Heller 1922-7-16 13718 Siskiyou Near Harris Spring E of Mt. Shasta Comment
  RSA275399  Horkelia tridentata subsp. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC201120  Hosackia crassifolia Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  CAS-BOT-BC201125  Hosackia crassifolia Jessie P. Rose 1905-7-1 157 Siskiyou North side of Ashland Butte, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  HSC22204  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1968-7-2 365 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC1046527  Hydrophyllum fendleri var. albifrons R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3451 Siskiyou Poker Flat Siskiyou Mountains (near summit of Takilma-Happy Camp Road over Siskiyou Mountains, at Del Norte-Siskiyou County line) 1630 Comment
  UC1426022  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou slope due nw Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA12609  Hymenoxys lemmonii C. B. Wolf 1934-7-5 5976 Siskiyou Shasta Valley, 4.6 miles north of Gazelle. 823 Comment
  RSA603492  Hymenoxys lemmonii L. C. Wheeler 1935-6-30 3638 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC34148  Hypericum anagalloides J. O. Sawyer 1969-8-18 1988 Siskiyou S Sugar Lake Creek 1829 Comment
  CAS-BOT-BC400986  Hypericum anagalloides Doris K. Kildale 1928-8-8 6462 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  UC52524  Ipomopsis aggregata Geo. B. Grant Sept, 1902 4967 Siskiyou Sisson Comment
  UC726812  Ipomopsis aggregata A. A. Heller 1938-7-12 15250 Siskiyou 5 mi n Weed (along US Hwy 97) 1066 Comment
  CHSC63609  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6463 Siskiyou FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud. Edge of road. 1584 Comment
  RSA79003  Ipomopsis aggregata subsp. formosissima E. K. Balls, P. C. Everett 1952-10-13 18191 Siskiyou Mt. Shasta, 10.2 mi n.e. of town of Mt. Shasta, John Everitt Hwy 1829 Comment
  RSA17694  Ipomopsis congesta Elmer I. Applegate 1935-6-10 9488 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  POM168907  Iris macrosiphon H. P. Chandler 1901-06 1570 Siskiyou Near Marble Mtn. 1829 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  UCR247348  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Creek, 1.5 mi. west of Yreka 881 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS57180  Ivesia gordonii L. R. Heckard 1967-8-13 1695 Siskiyou summit region Mt. Eddy; Mt. Eddy summit region 2743 Comment
  RSA715781  Juncus bufonius var. bufonius L. Ahart, John Dittes 2005-6-9 12055 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  JEPS67088  Juncus bufonius var. occidentalis Geo. D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek 1219 Comment
  HSC96560  Juncus drummondii Gordon Leppig, J. Kalt 1996-7-10 379 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA215594  Juncus drummondii Gilbert Muth 1969-8-8 1285 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  CHSC88369  Juncus ensifolius Jenny Marr 1993-7-1 175 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS25661  Juncus ensifolius Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7304 Siskiyou 4 air mi nne Preston Peak (at Twin Valley, just e of Del Norte County line, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1219 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
  HSC92869  Juncus mertensianus Jennifer Whipple 1977-7-20 1998 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC96562  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 375 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC110804  Juncus mertensianus Wm. Bridge Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  JEPS88728  Juncus nevadensis B. C. Goldsmith 1916-9-29 35 a Siskiyou Medicine Lake Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  POM110776  Juncus occidentalis Geo D. Butler 1910-7-9 1697 Siskiyou Shackleford Creek. 1220 Comment
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC81143  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  HSC4853  Juniperus communis var. saxatilis J. O. Sawyer 1968-7-9 405 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  LA6568  Juniperus communis var. saxatilis Louis Wheeler; 1934-8-14 3123 Siskiyou Siskiyou Mountains, 0.5 mi. W White Mt 1920 Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  NY20197  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. 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
  HSC61974  Kalmia polifolia Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC397360  Kelloggia galioides Katharine Brandegee 1895-8-11 Siskiyou Mt. Shasta Comment
  UC455891  Kelloggia galioides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  CHSC71341  Koeleria macrantha Vernon H. Oswald; Lowell Ahart 1998-6-11 9194 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS84220  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6510 Siskiyou N slope of Condrey Mountain. 1960 Comment
  CAS-BOT-BC340364  Kyhosia bolanderi Annie M. Alexander; Louise Kellogg 1949-7-30 5903 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CHSC114163  Lactuca serriola Barbara L. Wilson 2011-8-23 16860 Siskiyou Road 2M22 near Lake Siskiyou. 996 Comment
  CAS-BOT-BC341697  Lagophylla ramosissima K. L. Chambers 1967-6-22 2851 Siskiyou Siskiyou Mountains. Knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1005 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-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  CAS-BOT-BC204988  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  CAS-BOT-BC205047  Lathyrus palustris Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, Marble Mts. 1798 Comment
  HSC42971  Lathyrus polyphyllus J. O. Sawyer, Ken Stillman 1976-5-29 2745 Siskiyou Along Specimen Creek 915 Comment
  RSA183459  Ledum glandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  UC1101299  Lemna turionifera Verne Grant, Irving Schneider 1947-8-26 8292 Siskiyou Tule Lake Comment
  CAS-BOT-BC88864  Lepidium campestre Alice Eastwood 1923-5-18 11835 Siskiyou Shasta Springs. Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  CHSC4167  Lepidium perfoliatum R. Carter 1966-5-15 398 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  RSA13764  Lepidium virginicum var. pubescens C. B. Wolf 1927-8-27 1147 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  HSC30429  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC45991  Leptosiphon harknessii J. P. Smith, Steve Selva 1970-6-16 4020 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  UC1287439  Lessingia nemaclada Willard Spence 1960-9-7 619 Siskiyou Route 99 at s city limits Dunsmuir Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  SD53408  Lessingia nemaclada Darley F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96 519 Comment
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
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Sep 15 2015
  RSA157732  Leucophysalis nana T. C. Fuller 1962-6-12 8967 Siskiyou E side of Davis Road to Medicine Lake, 0.2 mi S of Road to Dorris, ca 16 mi E of Macdoel. Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  SEINET4903945  Lewisia columbiana Jack Seely 1991-5-27 s.n. Siskiyou Klamath National Forest, West Branch (2200 ft) Forest service Camp Ground, Poker Flats (5200 ft) a high mountain meadow. Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC27348  Lewisia leeana J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5698 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS105026  Lewisia leeana Dean W. Taylor 1996-7-25 15868 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  SEINET4176732 Image available Lewisia leeana Sally Walker 1982-7-17 Siskiyou Alex hole Klamath National Forest 2134 Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  CAS-BOT-BC272173  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath Forest 518 Comment
  UC1037116  Leymus triticoides Leo Whitney 1934-6-29 2251 b Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCR37840  Ligusticum californicum L. P. Janeway 1983-8-28 632 Siskiyou Poker Flat 1529 Comment
  UC1619909  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC22271  Lilium kelleyanum J. O. Sawyer 1969-8-5 1737 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CAS-BOT-BC509382  Lilium kelleyanum Alice Eastwood 1912-7-18 1215 Siskiyou Sisson Comment
  CAS-BOT-BC130811  Lilium pardalinum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house 1341 Comment
  UCR21115  Lilium vollmeri T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  RSA377190  Lilium washingtonianum M. B. Dunkle 1944-7-18 9146 Siskiyou Siskiyou National Forest Comment
  UC1334271  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer and Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 mi ne Mount Shasta (town) 1402 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
  UCD168842  Limnanthes alba Peter. F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR). I-5 southbound, near exit 730 for central Dunsmuir. 750 Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC240389  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-6-6 15043 Siskiyou Along the Castle Lake Road Comment
  HSC4865  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 492 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC416405  Linnaea borealis subsp. longiflora H. A. Thomas; J. H. Thomas 1954-7-23 4462 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  CAS-BOT-BC36528  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-6-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  CAS-BOT-BC36535  Lithocarpus densiflorus var. echinoides L. R. Abrams 1922-8-7 9920 Siskiyou Shasta springs Comment
  RSA3388  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Above junction of McCloud road with the Pacific Highway. 1189 Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  UC858173  Lithophragma glabrum Frank W. Gould 1940-5-15 1243 Siskiyou on road from Mt. Hebron to Montague Bald Mountain 1676 Comment
  SEINET6032583  Lithophragma parviflorum G. D. Butler 1910-5-8 1307 Siskiyou Near Yreka Comment
  CAS-BOT-BC325939  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  CHSC86675  Lomatium macrocarpum Jenny Marr 1993-7-1 58 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS17115  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou Yreka Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET3143883  Lomatium nudicaule G. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  HSC42904  Lonicera ciliosa J. O. Sawyer, Ken Stillman 1976-5-28 2728 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  UC375402  Lotus crassifolius var. crassifolius Geo. D. Butler 1909-5-31 775 Siskiyou Humbug Creek Comment
  UC80949  Lotus nevadensis var. nevadensis Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  JEPS75373  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek 1676 Comment
  UC454612  Lotus stipularis I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC61975  Luetkea pectinata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  RSA451617  Luetkea pectinata M. B. Dunkle 1945-8-2 9279 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  CAS-BOT-BC140245  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC342561  Luina hypoleuca D. H. Norris 1970-5-23 12243 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA604463  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountains Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  CAS-BOT-BC201284  Lupinus Charles Piper Smith 1922-8-6 3718 Siskiyou Hornbrook - north on highway Comment
  JEPS85697  Lupinus albicaulis Geo. D. Butler 1909-6-23 913 Siskiyou Goose Nest Comment
  CAS-BOT-BC8288  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou above Shasta Springs Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  RSA12492  Lupinus albicaulis var. shastensis Carl B. Wolf 1934-7-4 5945 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  RSA0003354  Lupinus albifrons Geo D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 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
  RSA582455  Lupinus albifrons var. flumineus Louis C. Wheeler 1935-6-13 3581 Siskiyou N side Scot River, Scott Bar Mts. 823 Comment
  CHSC26188  Lupinus andersonii J. P. Kroessig 1977-8-6 52 Siskiyou Jct of Everitt Memorial Hwy and McBride Springs Campground access road, w base of Mt Shasta, ca. 4.5 km n of Mt Shasta City. 1460 Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  SD98878  Lupinus bicolor Darley F. Howe 1977-7-2 4985 Siskiyou Scott River Road, 7 miles NW of Fort Jones 671 Comment
  RSA47806  Lupinus bicolor subsp. tridentatus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11727 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  NY15837  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  UCD20158  Lupinus croceus Charlotte Glenn Date Unknown s.n. Siskiyou Castle Lake. 1584 Comment
  RSA94035  Lupinus croceus var. pilosellus R. C. Barneby 1954-5-17 11533 Siskiyou Scott Mountains, 5 miles above Callahan 1250 Comment
  RSA372145  Lupinus klamathensis M. L. Conrad, David B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from Interstate 5 on Highway 3, southwest of Yreka. 915 Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  RSA237932  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-31 1120 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, trail between English Lake and drift fence. 1829 Comment
  UC157028  Lupinus lepidus var. lobbii Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  JEPS83253  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackelford Creek; Quartz Valley, Shackelford Creek Comment
  SBBG10899  Lupinus lepidus var. sellulus H. and M. Dearing 1938-6-28 2180 Siskiyou McCloud Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  RSA414436  Lupinus leucophyllus M. B. Dunkle 1944-7-15 9096 Siskiyou Siskiyou Nat'l Forest Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  SD121782  Lupinus lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou King's Castle [SBBG 47507, an apparent duplicate, adds Marble Mtns.] Comment
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Jul 11 2010
  CHSC118592  Lupinus luteolus Richard R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CHSC86669  Lupinus luteolus Jenny Marr 1993-7-1 52 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM25660  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou Dry land near Yreka. Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  JEPS75359  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  RSA105488  Lupinus sellulus subsp. sellulus Douglas Barbe 1955-7-1 066 Siskiyou 0.05 mile east of Etna at a burned lumber mill. Comment
  POM24578  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek. Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC73278  Luzula comosa Gail Newton 1980-6-20 476 Siskiyou Near Bald Mtn. 1097 Comment
  UC1265317  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Salmon Mountains. Western Siskiyou County. The High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. SW of Wiregrass Meadow below English Lake 1676 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  UC1148967  Luzula parviflora Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou along trail from Marble Mountain to Sky High Lake (e of Marble Mountain, Marble Mountains); Marble Mountains, e of Marble Mountain 1975 Comment
  UCR37842  Luzula parviflora subsp. parviflora L. P. Janeway 1983-9-11 656 Siskiyou Poker Flat 1524 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  CDA5122  Lythrum salicaria J. R. Keck Jr., J. Massey 1985-8-7 PDR# 330138 Siskiyou Tulelake Wildlife Refuge. 0 Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  RSA233663  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 39003 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA233706  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  RSA78944  Machaeranthera canescens var. shastensis E. K. Balls, Percy C. Everett 1952-10-12 18171 Siskiyou 1.8 miles south of junction along road to Medicine Lake, from Indian Well Ranger Station 1402 Comment
  POM56187  Madia bolanderi E. B. Copeland 1903-8-15 3882 Siskiyou Sisson 1067 Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  HSC42907  Madia exigua J. O. Sawyer, Ken Stillman 1976-5-28 2726 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC334668  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343439  Madia gracilis Wm. Bridge Cooke 1938-8-19 11518 Siskiyou Lower Bear Spring, Mt. Shasta 1524 Comment
  JEPS69752  Madia gracilis W. B. and V. G. Cooke 1972-7-6 45454 Siskiyou along Mud Creek Dam road Mt. Shasta 1066 Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  HSC557  Maianthemum racemosum subsp. amplexicaule William J. Ferlatte 1967-6-29 569 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  CAS-BOT-BC512766  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-23 13372 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM109395  Maianthemum stellatum Geo D. Butler 1910-5-15 1343 Siskiyou McAdam Creek Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  HSC6003  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  HSC46146  Malva neglecta J. P. Smith, Steve Selva 1970-7-17 4440 Siskiyou 915 Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Gren 774 Comment
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  CAS-BOT-BC269234  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou At the State Teachers College near Mt. Shasta Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  RSA403521  Melica fugax M. B. Dunkle 1945-1 9322 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET10893690  Melica fugax A. Arthur Heller 1921-7-7 Heller 13568 Siskiyou Gravekky slope of Mt. Eddy south of Wagon creek, in Canadian zone. 1981 Comment
  CAS-BOT-BC282119  Melica geyeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11796 Siskiyou Scott Mountain Rd S of Callahan Comment
  CHSC4362  Melica geyeri J. Potter 1966-5-14 Siskiyou 3 mi se of Callahan Old Oregon Stage Rd. Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  HSC22262  Melica subulata J. O. Sawyer 1969-7-9 1112 Siskiyou Alluvial terrace above Duck Lake Creek. 1991 Comment
  HSC58893  Melica subulata Marvin Butler 1971-7-21 117 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  JEPS107667  Melilotus indicus Lowell Ahart, John Dittes 2005-6-9 12011 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC1714375  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 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
  CHSC32900  Mentha spicata J. P. Smith; Steve Selva 1970-7-17 4439 Siskiyou Roadside and stream bank in farming area. 914 Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD102787  Micranthes bryophora Joseph M. DiTomaso 1975-9-10 320 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  CDA8390  Microseris laciniata subsp. laciniata T. C. Fuller 1958-6-19 1823 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC349367  Microseris nutans H. A. Thomas; J. H. Thomas 1954-7-25 4526 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC45158  Microseris nutans J. O. Sawyer, E. Cope 1977-6-19 2948 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC33334  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou USFS Campground at Big Flat 1524 Comment
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA408132  Mimulus breweri Louis C. Wheeler 1935-7-26 3698 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  SEINET3365879 Image available Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  RSA183684  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley, Marble Mts. Comment
  RSA237239  Mimulus guttatus Frederick W. Oettinger 1967-6-28 128 Siskiyou Mouth of Kelly Gulch, tributary of Salmon River. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  RSA68907  Mimulus layneae A. E. Culbertson 1943-7-17 51 Siskiyou Castle Lake, in north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 200' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  HSC435  Mimulus moschatus William J. Ferlatte 1967-7-26 736 Siskiyou Caribou Basin 1982 Comment
  POM43845  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek. 1220 Comment
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  POM147660  Mimulus nanus var. jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou Mt. Cloud. Comment
  LA94996  Mimulus nanus var. nanus J. M. Tucker; 1963-7-7 3724 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UCD122772  Mimulus nanus var. nanus John M. Tucker 1963-7-7 3724 Siskiyou vicinity of Paradise Lake, at east base of Kings Castle on east side; Marble Mountain Wilderness Area. 1981 Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 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
  POM101318  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka. Comment
  UC1112865  Minuartia douglasii Milo S. Baker 1957-6-16 13155 Siskiyou trip from turnoff near Callahans to Scott Mts.; North Coast Ranges Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  HSC101484  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13001 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  POM151712  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-9-7 3870 Siskiyou Mt. Eddy. 2317 Comment
  HSC99989  Minuartia stolonifera Thomas W. Nelson, & Sydney Carothers 2005-7-17 9382 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  CAS-BOT-BC229611  Mirabilis greenei John Thomas Howell 1952-6-14 28356 Siskiyou 6 miles W of Gazelle on road to Callahan Comment
  CDA23864  Mirabilis greenei G. Deal 1966-6-29 Siskiyou Tom Williams property, Montague. 0 Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  HSC14277  Monardella glauca R. C. Wunner 1965-6-29 299 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave 1433 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  CAS-BOT-BC222177  Monardella odoratissima subsp. pallida Doris K. Kildale 1929-8-24 9107 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS63382  Monardella odoratissima subsp. pallida W. L. Jepson 1940-6-27 20049 Siskiyou e slope Mt. Shasta 1676 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  UC215539  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 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
  UC637109  Monardella siskiyouensis Annetta Carter 1934-8-12 695 Siskiyou near mouth Walker Creek (n side of river, n side of valley); Klamath River, Seiad Valley 426 Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  UCD117676  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou ca. 1/4 mile north of Jawbone Camp, Marble Mountain Wilderness area. 1554 Comment
  HSC33978  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC445212  Montia parvifolia Doris K. Kildale 1929-7-20 8600 Siskiyou South east spur Preston Peak 1950 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
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  UCD86501  Muhlenbergia andina R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CAS-BOT-BC262679  Muhlenbergia asperifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10502 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  UCD86593  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3817 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  RSA795332  Myosotis laxa L. Ahart, John Dittes 2010-7-30 16944 Siskiyou About 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake., 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 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
  HSC91988  Narthecium californicum Jennifer Whipple 1976-7-24 1564 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  HSC60911  Narthecium californicum Al Hobart 19 Jul [year missing] Siskiyou Black Butte 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
  JEPS19787  Navarretia intertexta Rimo Bacigalupi with S. Galen Smith 1957-6-26 5934 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  POM65067  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  UC164112  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  UCSB24730  Noccaea fendleri Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of the city of Mt. Shasta 1828 Comment
  CHSC110961  Nothocalais alpestris B. Castro; L. P. Janeway 2007-7-28 1662 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UCR37823  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area 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
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA60643  Oenothera deltoides subsp. piperi Dorothy Parker 1948-6-22 27 Siskiyou Between Dorris and Macdoel, Butte Valley 1220 Comment
  UC164428  Oenothera deltoides subsp. piperi Geo. D. Butler 2000 Siskiyou Comment
  POM32375  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  UCR9593  Onopordum acanthium D. O. Clark 1970-6-23 s.n. Siskiyou 6 mi SW of Dorris, along roadside on W side of Butte Valley 1293 Comment
  RSA128658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris Comment
  UC1177881  Orobanche fasciculata Francia Chisaki and Gene B. Newcomb 1958-6-22 1154 Siskiyou On Highway #99, at base of Black Butter, (south of Weed). Comment
  JEPS10850  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley. Comment
  HSC77236  Orogenia fusiformis L. P. Janeway 1983-7-10 410 Siskiyou Poker Flat 1524 Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC458087  Orthilia secunda Doris K. Kildale 1928-8-18 6450 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC354  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine 1982 Comment
  UC1360409  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou ca 1/2 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area, Upper Canyon Creek 1920 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  JEPS84027  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
  SEINET13756769  Orthocarpus cuspidatus subsp. cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  HSC65503  Osmorhiza berteroi R. White 1977-7-21 128 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC69323  Osmorhiza berteroi Maralyn A. Renner 1980-8-31 2666 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC875254  Osmorhiza berteroi Wm. F. Herrin 1918-6-30 Siskiyou Shasta Springs Comment
  SEINET207376  Osmorhiza chilensis Rimo Bacigalupi 1959-7-9 7264 Siskiyou Poker Flat 1536 Comment
  HSC90559  Packera cana Jennifer Whipple 1977-8-4 2153 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC316756  Packera cana Alice Eastwood 1912-8-30 2013 Siskiyou unspecified Comment
  UC1299443  Packera cana Freed W. Hoffman 1950-7-11 3562 Siskiyou Cedar Camp Road 19.5 mi n Klamath River Comment
  HSC10458  Panicum capillare C. B. Wolf 1927-8-26 992 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CDA3568  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  HSC34268  Parnassia fimbriata J. P. Smith, J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1860 Comment
  HSC26703  Parnassia fimbriata W. J. Ferlatte 1971-9-18 1376 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. 2378 Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  UC796536  Pectocarya penicillata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11785 Siskiyou outskirts Etna Comment
  SEINET13355128  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  UC618812  Pectocarya pusilla Ivan Johnston 1938-7-1 11130 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  CAS-BOT-BC266635  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  HSC65021  Pedicularis bracteosa var. flavida D. L. Goforth 1979-7-19 268 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.5 mi. S of Caribou Lake 2195 Comment
  JEPS10413  Pedicularis bracteosa var. flavida Geo. D. Butler 1908-8-5 42 Siskiyou Summit above Cold Spring 1828 Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  UC1409426  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou near English Lake (High Lake Basins in vicinity of English Peak, edge of base camp meadows); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC86526  Pedicularis racemosa D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  CAS-BOT-BC265370  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  CAS-BOT-BC265375  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC29244  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou Marble Mtn. Wilderness Area, E of Hancock Lake 1936 Comment
  RSA1907  Penstemon deustus subsp. deustus Carl B. Wolf 1930-10-23 1758 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  JEPS11236  Penstemon deustus var. deustus W. L. Jepson 1940-6-22 19972 Siskiyou Klamath River near Hornbrook; Klamath River near Hornbrook 670 Comment
  NY609828  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26168 Siskiyou West of Etna 1280.2 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  NY600712  Penstemon gracilentus F. W. Pennell 1940-7-19 26194 Siskiyou Mount Shasta 1981.2 Comment
  UC618810  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11546 Siskiyou around the Horse Camp Flats (Horse Camp, Mount Shasta); Mount Shasta, around the Horse Camp Flats 2438 Comment
  POM251095  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou Mt Shasta. Lava flats at Horse camp. 2439 Comment
  NY601593  Penstemon heterodoxus var. shastensis A. A. Heller 1922-7-16 13716 Siskiyou Near Harris Spring, northeast of Mt. Shasta Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  NY601602  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou Fowlers Camp, McCloud River, 6 miles east of McCloud 975.4 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 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
  NY604550  Penstemon laetus var. sagittatus J. W. Thompson 1936-7-8 13152 Siskiyou Lava Beds National Monument Comment
  NY604580  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5176 Siskiyou 9 miles south of Macdoel, on U.S. 97, between Dorris and Weed. 1463.0 Comment
  UC887116  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava Slopes of Lava Beds Nat. Monument Lava Beds Nat. Monument Comment
  NY604552  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4439 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 4.4 miles north-northeast of jct. I-5 Business Loop in Weed. 1127.8 Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  RSA165524  Penstemon laetus var. sagittatus Clare B. Hardham 1961-6-30 8120 Siskiyou Near White Mt. Comment
  RSA668197  Penstemon laetus var. sagittatus Karl Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade range, Mt Shasta; old roadbed in lava flow area along east side of US 97 ca 5.1 mi NE of jct I-5 Business Loop in Weed. 1159 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  SEINET10548070  Penstemon newberryi Mary Susan Taylor 1980-7-8 Taylor 3089 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  HSC63251  Penstemon newberryi subsp. berryi M. A. Baker 1979-7-30 1078 Siskiyou Draw W of Rainy Lake Comment
  POM43030  Penstemon newberryi subsp. newberryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek. Comment
  RSA68868  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-6-24 88 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  UC174047  Penstemon newberryi var. berryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek Comment
  UCSB22123  Penstemon newberryi var. newberryi Breedlove, Dennis 1962-6-11 Siskiyou at base of Black Butte; along U.S. Highway 99; 4 miles south of Weed 1188 Comment
  HSC81671  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6074 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA238767  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou west side of Red Hill near Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  CHSC57459  Penstemon roezlii L. P. Janeway 1984-6-22 869 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. 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
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  CAS-BOT-BC423348  Peritoma platycarpa Geo. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  CAS-BOT-BC330281  Petasites frigidus var. palmatus Dorothy Parker 1961-6-4 883 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  SD120823  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou Near Summit Mt Eddy, south facing slope 2713 Comment
  HSC49958  Phacelia greenei G. L. Clifton, Ground 1978-6-13 1001 Siskiyou Near Forest House, close to the town of Yreka 1037 Comment
  SDSU6605  Phacelia greenei D. F. Howe 1977-7-5 4998 Siskiyou Area north of Mt. Shasta. 1463 Comment
Read comments
Mar 5 2018
  HSC69267  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3711 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  RSA695873  Phacelia linearis D. W. Taylor 1995-6-4 14969 Siskiyou Three miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. ten miles north of Weed). 1159 Comment
  HSC60792  Phacelia mutabilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  HSC76763  Phacelia mutabilis K. T. Stillman 1976-9-9 494 Siskiyou Ridge above Paradise Lake Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1084698  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou trip from turn off near Callahan to Scott Mt.; North Coast Ranges Comment
  LA206402  Phalaris angusta J. R. Swallen; 1939-8-8 sn Siskiyou Mount Shasta, Horse Camp Comment
  HSC20262  Philadelphus californicus C. B. Wolf 1927-8-27 1127 Siskiyou On Klamath River, 6 mi. below Happy Camp Comment
  HSC36662  Philadelphus californicus Brent Whitely 1975-6-28 90 Siskiyou 915 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
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  CAS-BOT-BC77411  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch 1036 Comment
  UC188948  Phleum alpinum Milo S. Baker 1898-8-1 488 Siskiyou Medicine Lake Comment
  CAS-BOT-BC250947  Phleum pratense T. H. Gilbert 1899-6-15 57 Siskiyou Scott River Valley Comment
  HSC60790  Phleum pratense Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA238346  Phleum pratense Frederick W. Oettinger 1968-9-5 728 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  UC1408778  Phlox adsurgens Frederick W. Oettinger and R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  HSC110  Phlox diffusa William J. Ferlatte 1967-6-27 536 Siskiyou Big Flat, near public campground 1524 Comment
  RSA237378  Phlox diffusa Frederick W. Oettinger 1967-7-7 156 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM75602  Phlox douglasii subsp. rigida Geo D. Butler 1910-3-13 1127 Siskiyou Klamath Hills. Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  UC880473  Phlox gracilis Frank W. Gould 1940-5-15 1249 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  SEINET7042831  Phlox speciosa 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
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC56497  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  HSC7868  Phyllodoce empetriformis Dorothy Parker 1949-7-10 337 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  SEINET2031085 Image available Phyllodoce empetriformis Joseph P. Tracy 1935-1 14406 Siskiyou Rock Lake; on ridge between Salmon and New Rivers; at extreme head of West Fork of Knownothing Creek. In a rocky snow cirque. 1890 Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  RSA186830  Physalis virginiana var. sonorae T. C. Fuller 1966-10-6 15246 Siskiyou Siskiyou County: Clement ranch, 5 miles N of Montague Comment
  CAS-BOT-BC60772  Physaria occidentalis Alice Eastwood 1912-8-30 2024 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC64870  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-15 219 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. Top of pass going N along ridge towards Preacher's Peak. 2130 Comment
  JEPS44810  Physocarpus capitatus W. L. Jepson 1902-7-19 13848 Siskiyou Fork of Salmon to Cecilville Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 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
  RSA264592  Picea breweriana L. E. Berriman 1941-01 s.n. Siskiyou North slopes of Russian Peak, west of Callahan. 1829 Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  NY30480  Picea breweriana A. Bell 1963-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73438  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Siskiyou county. 1524 Comment
  RSA237340  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou South side of East Boulder Lake in the Scott Mountains, Salmon-Trinity Alps Wilderness. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  NY34613  Pinus attenuata I. L. Wiggins 1955-7-24 13485 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
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  SEINET11526740  Pinus attenuata D. A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle. Comment
  HSC92115  Pinus balfouriana subsp. balfouriana Jennifer Whipple 1976-8-21 1733 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  HSC1511  Pinus lambertiana R. C. Wunner 1965-8-21 464 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  HSC44630  Pinus lambertiana Jerome Peterson 1978-5-20 16 Siskiyou USFS Camp along Camp Three Rd., Bulk Collection # 131 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  CAS-BOT-BC419722  Pinus monticola Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -076 Siskiyou NW side of Gumboot Lake. 1853 Comment
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 s.n. 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
  UC1600413  Pinus ponderosa Hall and Babcock 1903-6-1 Siskiyou near Sisson Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  HSC35343  Platanthera sparsiflora J. P. Smith, J. O. Sawyer 1973-8-14 7313 Siskiyou Around Cliff Lake 1860 Comment
  HSC68375  Plectritis congesta J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  RSA238336  Poa bolanderi Frederick W. Oettinger 1968-9-7 759 Siskiyou On hillside going down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  CAS-BOT-BC254998  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou Schumacher's (Geo Gray's) Ranch Comment
  CAS-BOT-BC255001  Poa bulbosa L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  HSC36818  Poa bulbosa J. P. Smith 1974-5-27 7615 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC255056  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  HSC76667  Poa pratensis K. T. Stillman 1976-7-23 303 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UCD91939  Poa pratensis A. H. Murphy 1959-7-21 59 F Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  HSC76917  Poa pringlei K. T. Stillman 1976-6-26 129 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  UC1540255  Poa secunda subsp. juncifolia Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9060 Siskiyou Tom Young Flat; McCloud River drainage 1280 Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UC197103  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  UC166477  Poa wheeleri Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1676 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UC538028  Polemonium chartaceum David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
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Jul 22 2018
  UC56864  Polemonium micranthum F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC52664  Polemonium occidentale subsp. occidentale W. C. Blasdale 1894-7-28 Siskiyou Sissons Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  POM86388  Polygala cornuta var. cornuta Edward Palmer 1892-7-12 2471 Siskiyou Mt. Shasta and vicinity Comment
  UCD109722  Polygala cornuta var. cornuta K. M. Meyer; A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 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
  RSA200040  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou NE corner of Siskiyou Ave and Interstate 5 freeqay, commonly naturalized on roadsides and in yard along Siskiyou Ave, N limits of Dunsmuir, Siskiyou County Comment
  RSA184744  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCR222502  Polygonum douglasii subsp. austiniae R. F. Thorne 1969-8-2 63401 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  JEPS24034  Polygonum douglasii subsp. douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6898 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  UC850102  Polygonum douglasii subsp. douglasii A. A. Heller 1915-7-18 12121 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA237772  Polygonum douglasii var. latifolium Frederick W. Oettinger 1968-8-11 470 Siskiyou SW side of creek bed E of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  UC618598  Polygonum minimum W. Bridge Cooke 1938-9-8 11658 Siskiyou Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC419872  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1925-7-25 13901 Siskiyou Along the Pacific highway near Edgewood. Comment
  CAS-BOT-BC420073  Polygonum polygaloides subsp. kelloggii Doris K. Kildale 1928-7-4 5528 Siskiyou 1 1/2 miles east of summit between Salmon River & Etna. Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  CAS-BOT-BC420989  Polygonum spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  CAS-BOT-BC421066  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1889 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  RSA144972  Polygonum spergulariiforme E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook. Comment
  RSA211296  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  SEINET11933191  Polygonum spergulariiforme L. Ahart, Ahart, P. 1983-1 4411 Siskiyou Near Hwy 96, near the Klamath River, ca 5 mi W of Interstate 5. Yellow Pine Forest 1000 Comment
  SEINET3404066 Image available Polygonum spergulariiforme Rimo Bacigalupi, Lincoln Constance 1959-6-17 7160 Siskiyou 4 mi NW of Weed, along US Hwy 99 Comment
  CAS-BOT-BC232929  Polypogon Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, W of Callahan 1463 Comment
  RSA239011  Polystichum imbricans Frederick W. Oettinger 1966-7-25 37 Siskiyou Along Timber Gulch stream bank, Klamath Natinal Forest, Colville. Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  UC1495276  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-26 4961 Siskiyou Mud Creek, e side of canyon Mt. Shasta; So. Cascade Mts., Sacramento River Basin 1706 Comment
  UC705505  Polystichum imbricans subsp. imbricans Marion Ownbey and Fred G. Meyer 1940-7-7 2209 Siskiyou sw of Yreka (Soap Ridge at top of ridge) Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  UC1481756  Polystichum scopulinum Milo Baker 1896-7 7 a Siskiyou e slope Mt. Shasta (Ash Creek) Comment
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  CDA42312  Porterella carnosula T. C. Fuller 1960-6-3 s.n. Siskiyou Edge of Toad Lake, ca. 7 miles northeast of Bartle. 0 Comment
  SEINET10460782  Porterella carnosula H. W. Furlong Furlong s.n. Siskiyou Northern California, Summit to Ager; Ager is about 10 mile (airline) south of the Oregon border and about 11 miles (by road) north of Montague Comment
  UC1265463  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-22 1494 Siskiyou bottom of Horses Hole (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  POM172664  Potamogeton foliosus Geo D. Butler 1910-8-21 1851 Siskiyou Shasta River. Comment
  RSA105419  Potamogeton foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 miles southeast of Etna on the Eastside Road. 915 Comment
  UC1099856  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Grass Lake Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  CDA34728  Potamogeton pusillus var. tenuissimus L. Ahart, John Dittes 2010-7-3 16963 Siskiyou In 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. Comment
  HSC82376  Potentilla breweri Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4529 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC90541  Potentilla breweri Jennifer Whipple 1976-7-8 1376 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS44166  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC143255  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC34154  Potentilla flabellifolia J. O. Sawyer 1969-7-18 1391 Siskiyou Head of S Russian Creek 1829 Comment
  SJSU6532  Potentilla flabellifolia R. W. Trivelpiece 1973-6-21 148 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM366506  Potentilla fruticosa M. B. Dunkle 1945-08 9289 Siskiyou Klamath National Forest 2439 Comment
  UC726471  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's Comment
  CDA26100  Potentilla gracilis subsp. nuttallii T. C. Fuller 1958-6-19 1822 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC64756  Potentilla gracilis var. fastigiata J. P. Smith, Steve Selva 1970-7-18 4492 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC540559  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  HSC90739  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-6-17 1027 Siskiyou Near Durney Lake, N end of lake 2073 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  HSC4471  Primula suffrutescens William J. Ferlatte 1967-8-20 1045 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC73351  Prosartes hookeri Gail Newton 1980-6-20 447 Siskiyou Near Bald Mtn. 1097 Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  CAS-BOT-BC158202  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC158221  Prunus emarginata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  CAS-BOT-BC154680  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley Comment
  POM88103  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek. Comment
  UC673252  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 2922 Siskiyou 3 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS20446  Pseudognaphalium thermale Willis L. Jepson Jul 24 1894-Aug 10 1894 14742 Siskiyou near Muir Peak; upper Sacramento, Black Butte Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  SEINET10960001  Pseudoroegneria spicata Edwin B. Copel 1903-7-4 Copeland 3542 Siskiyou The Pacific Coast. Klamathon. Small tufts on very arid hills. Comment
  HSC506  Pseudostellaria jamesiana William J. Ferlatte 1967-6-27 535 Siskiyou Big Flat 1524 Comment
  CAS-BOT-BC80176  Pseudotsuga menziesii Doris K. Kildale 1928-4-2 4402 Siskiyou Klamath River at Somes Bar Comment
  HSC29674  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou Marble Mtn. Wilderness Area, ridge above Hell Hole at the NE side of Hancock Lake 1936 Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  HSC36705  Pteridium aquilinum var. pubescens Brent Whiteley 1975-6-23 44 Siskiyou 223 Comment
  RSA238020  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou 0.1 mile east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC933382  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1948-9-9 5614 Siskiyou near start of 2-mi trail from Cook & White Mine to Taylor Lake; Siskiyou Mountains Comment
  UC1246760  Pteryxia terebinthina var. californica A. S. Barclay, R. D. Barbee and K. E. Blum 1962-7-10 1328 Siskiyou along Sacramento Creek, ca. 2 mi SW of town of Mt. Shasta Comment
  RSA97287  Pteryxia terebinthina var. californica F. W. Peirson 1923-7-19 3951 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  CHSC93527  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  JEPS18590  Purshia tridentata var. tridentata W. L. Jepson 13844 Siskiyou halfway up trail from Sisson to Horse Camp; Mt. Shasta Comment
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  RSA449671  Purshia tridentata var. tridentata E. E. Stanford 1930-6-15 1600 Siskiyou Near Shasta City. Comment
  SBBG27229  Purshia tridentata var. tridentata L. C. Wheeler 1935-6-13 3571 Siskiyou Mill Crk, Quartz Valley 944 Comment
  CAS-BOT-BC460866  Pyrola aphylla Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  RSA0080536  Pyrola crypta Frederick W. Oettinger 1968-8-7 439 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC92973  Pyrola dentata Jennifer Whipple 1977-8-4 2161 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  SEINET11977316  Pyrola dentata M. Ownbey, Meyer, F. G. 1940-1 2225 Siskiyou near summit of Siskiyou Mountains, 17 mi N of Happy Camp Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC1282019  Pyrrocoma racemosa var. pinetorum Louise Kellogg Aug 8 1953-Aug 9 1953 119 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  HSC103623  Pyrrocoma racemosa var. pinetorum Thomas W. Nelson, Jane Nelson 1980-8-23 6314 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC362384  Pyrrocoma racemosa var. racemosa Thos. C. Fuller 1958-8-13 s.n. Siskiyou Scott Valley, 5 mi. s. of Ft. Jones Comment
  UC166493  Quercus X morehus Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  UC5539  Quercus chrysolepis W. H. Brewer 1862-8-21 1326 Siskiyou near Mount Shasta 609 Comment
  CAS-BOT-BC94649  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC62757  Quercus garryana var. breweri John Thomas Howell 1937-7-23 13353 Siskiyou Soth Fork of Salmon River near Big Flat 1524 Comment
  UCD14454  Quercus garryana var. breweri John M. Tucker 1972-8-8 4245 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  UCD14457  Quercus garryana var. breweri Dean W. Taylor 1972-7-1 1565 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  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
  RSA281647  Quercus garryana var. garryana S. O. Mattoon 1979-7-9 83 Siskiyou Lily Pad Lake Trail at Cook and Green Pass, 6 air miles N. of Hwy. 96 at Seiad Valley, Siskiyou Mts. 1677 Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  CAS-BOT-BC104340  Quercus sadleriana Baki Kasapligil 1981-6-26 6188 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
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Jun 23 2018
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  JEPS22242  Quercus sadleriana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6881 Siskiyou junction of Poker Flat road and Happy Camp-Takilma Road; Siskiyou Mts. 1376 Comment
  RSA749132  Quercus sadleriana Jim R. Shevock, David Toren 2000-9-1 20099 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  CAS-BOT-BC104615  Quercus vacciniifolia L. E. Smith 1913-7-1 450 Siskiyou Rainbow Comment
  UC1483520  Quercus vacciniifolia John Palmer 1980-7-24 671 Siskiyou Dillon Divide Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  UC375251  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC379472  Ranunculus alismifolius Dorothy Parker 1946-6-12 136 -A Siskiyou marshy soil along the edges of Middle Boulder Lake 488 Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  JEPS74462  Ranunculus eschscholtzii W. J. Ferlatte 1967-7-26 758 Siskiyou Sawtooth Ridge Trinity Alps, Caribou Basin 2042 Comment
  UC165956  Ranunculus occidentalis Geo. D. Butler 1910-4-19 1199 Siskiyou gully near Yreka Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC100035  Ranunculus testiculatus J. P. Smith, & J. O. Sawyer 2010-5-6 12820 Siskiyou Camp Creek Campground. 727 Comment
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  RSA78996  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-13 18184 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from Shasta (town of) to Castle Lake. 1524 Comment
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Jun 25 2012
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCSB24750  Rhododendron macrophyllum Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  SJSU6476  Rhododendron occidentale R. W. Trivelpiece 1972-6-18 122 Siskiyou Douglas Cr near Klamath R c. 10 mi SW of Happy Camp 762 Comment
  UC22136  Rhododendron occidentale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC438006  Ribes L. B. Kildale 1930-6-1 9860 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  JEPS49277  Ribes aureum var. aureum Geo. D. Butler 1908-6-28 266 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  CAS-BOT-BC92543  Ribes binominatum L. E. Smith 1913-4-10 68 Siskiyou Yreka. Comment
  HSC67825  Ribes cereum J. O. Sawyer, J. Cole 1980-7-20 3764 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA0024870  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou East slope of Mt. Shasta, 1 mile W of Military Pass Rd., along rd. to Brewer s Cr. Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC165269  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  UC1190178  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou s Mountain View Ranch ((7 mi above Cecilville), train crossing China Creek, above S. Fork of Salmon River); Salmon River 1301 Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS43057  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Comment
  UC1408856  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou saddle along ridge between Charmaine Lake and Abbott's Lake; Salmon Mountains, Marble Mountain Wilderness 1889 Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  UCD102253  Ribes lobbii Geo C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC212486  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road form Waldo to Happy Camp 1554 Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  UC465794 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 179 Siskiyou Jackson Lake 1798 Comment
  RSA0023151  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp. Comment
  UC909349  Ribes roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou about 1.5 mi from Carmen Lake (small bog on side of ridge above Grouse Creek) 1584 Comment
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Jan 29 2013
  HSC36607  Ribes sanguineum Brent Whiteley 1975-6-28 89 Siskiyou 915 Comment
  JEPS49247  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackelford Creek 1524 Comment
  SEINET12220354  Ribes sanguineum J. P. Tracy 1951-1 19497 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd near state line Comment
  UC375356  Ribes velutinum Geo. D. Butler 1908-6-20 268 Siskiyou near Yreka Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  HSC61946  Ribes viscosissimum Ruby Van Deventer 1959-7-6 Siskiyou Poker Flat 1585 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
  UC163900  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou near Yreka Comment
  HSC29245  Romanzoffia sitchensis Frederick W. Oettinger 1968-9-1 650 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's Lake 1799 Comment
  JEPS84200  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  JEPS109873  Rorippa columbiae Dean W. Taylor 2005-7-13 19395 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89); growing on USFS Road D that crosses the flat 0.2 road miles E of the Volcanic Scenic Byway 1402 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  JEPS53850  Rorippa curvisiliqua Geo. D. Butler 1908-6-28 121 Siskiyou Oro Fino Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  RSA105413  Rosa eglanteria G. D. Barbe 1955-6-29 33 Siskiyou 1.8 miles E of Callahan. S bank of Scott River. 976 Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  HSC61514  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  CAS-BOT-BC147052  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  HSC19404  Rubus lasiococcus J. O. Sawyer 1968-7-2 355 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC19407  Rubus lasiococcus J. O. Sawyer 1968-9-13 714 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  HSC19405  Rubus parviflorus J. O. Sawyer 1968-7-10 457 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 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
  HSC65560  Rubus parviflorus R. White 1977-7-21 132 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  JEPS44763  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River below Yreka; Shasta River below Yreka Comment
  HSC61453  Rudbeckia glaucescens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC69418  Rudbeckia occidentalis John Palmer 1980-8-13 762 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  JEPS13065  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou extreme head of West Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers); betw Salmon and New Rivers, head of West Fork Knownothing Cr 1889 Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC75712  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  CAS-BOT-BC107067  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 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
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375232  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek Comment
  UC482339  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC482340  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC482342  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  CAS-BOT-BC128307  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1117 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC124894  Salix lemmonii Alice Eastwood 1921-7-28 10965 Siskiyou Medicine Lake Comment
  LA208890  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-19 415 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1455.0 Comment
  SJSU199  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou 180 m below Dobkin's Lake, N side of Mt Eddy c. 21 km NW of Shasta City 1767 Comment
  CAS-BOT-BC126163  Salix scouleriana Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC126168  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129030  Salix scouleriana A. A. Heller 1915-7-18 12130 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1188 Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  LA208909  Salix scouleriana Wm. Bridge Cooke; 1938-6-17 11053 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  POM107201  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat. Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  SBBG57975  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 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
  UC482267  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  HSC4515  Salsola tragus D. M. Thomson 1965-8-6 168 Siskiyou Lava Beds National Monument, S of Crescent Butte. Comment
  SEINET3152975  Salvia carnosa L. S. Rose 1940-6-14 40586 -A Siskiyou Lava Beds National Monument 1219 Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC164071  Sambucus mexicana Geo. D. Butler 1910-5-29 1425 Siskiyou near Yreka Comment
  RSA238832  Sambucus microbotrys Frederick W. Oettinger 1968-8-6 423 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
  SEINET8057832  Sambucus nigra G. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  CAS-BOT-BC238880  Sambucus nigra subsp. caerulea Doris K. Kildale 1929-8-24 9067 Siskiyou Rattlesnake Meadow, near Preston Peak 1676 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
  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
  POM90116  Sanguisorba annua Geo. D. Butler 1910-6-3 1468 Siskiyou [??] Valley Comment
  CDA36167  Sanguisorba minor C. Pirosko 2002-5-14 s.n. Siskiyou Jones Valley 0 Comment
  HSC39211  Sanicula bipinnatifida J. P. Smith 1976-5-4 8654 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  JEPS98657  Sanicula bipinnatifida O. Gomez and P. Vargas 1996-5-26 38 PV96 Siskiyou ca. 4 mi N of the town by Seiad Creek road Seiad Valley Comment
  JEPS98637  Sanicula crassicaulis O. Gomez and P. Vargas 1996-5-26 39 PV96 Siskiyou ca. 4 mi N of the town by Seiad Crek road Seiad Valley Comment
  UC1714597  Sanicula tuberosa W. Bridge Cooke 1940-7-5 15246 Siskiyou below Wagon Camp (Mount Shasta, along Wagon Camp Road); Mount Shasta, Wagon Camp Road 1737 Comment
  OBI8761  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou Scott Mt. campground. 168 Comment
  CHSC10153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  HSC104296  Sarcodes sanguinea Samantha E. Andres 2016-6-5 18 Siskiyou About 25 yds. from the intersection of Doe Flat and Devil's Punchbowl Trailheads, going towards Trout Camp 1269 Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  POM92223  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta, Rim Hills. Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  JEPS82426  Saxifraga integrifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 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
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  RSA238315  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Mount Hemlock Forest, 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
  HSC39100  Schoenoplectus tabernaemontani D. H. Norris 1970-5-23 12251 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  UCD141268  Scirpus microcarpus P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Trity Young Ranch. Comment
  UC971922  Scleranthus annuus subsp. annuus Herbert L. Mason 1950-7-15 14041 Siskiyou Scott Creek , Scott Creek (Scott Valley) Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Gr 716 Comment
  UCR70884  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mtns, Yreka Creek 854 Comment
  UC164007  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goosenest Foothills 1219 Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  CAS-BOT-BC214254  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Near Igerna Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  UC164005  Scutellaria siphocampyloides Geo. D. Butler 1908-6-29 175 Siskiyou Cherry Creek Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC61451  Sedum lanceolatum Miss D. Tebbe 1929-6-7 130 Siskiyou Crater Lake, Mount Eddy Comment
  RSA0036682  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  UCSB22042  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  UC571149  Sedum obtusatum subsp. boreale Dorothy Tebbe 1929-7-1 6 Siskiyou Crater Lake , Crater Lake (Mount Eddy) Comment
  UC831036  Sedum obtusatum subsp. boreale W. B. Cooke 1942-7-2 16366 Siskiyou near base Mud Creek Canyon; Mount Shasta, near base Mud Creek Canyon 1676 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  RSA0083653  Sedum oregonense L. C. Wheeler 1963-8-25 8271 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  CAS-BOT-BC278102  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25642 Siskiyou Above Forest Service Road 1040, 0.7 road miles above & S of Applegate River bridge; 1 air mile W of Abney Butte, Siskiyou Mountains, Klamath Range (KR) 720 Comment
  HSC85900  Sedum spathulifolium var. spathulifolium Barry Silver 1986-5-26 674 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, just SW of bridge #7-1949 579 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  UC371152  Selaginella wallacei G. D. Butler 1909-7-20 874 Siskiyou Highland Mine Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  RSA155891  Senecio canus P. H. Raven 1962-5-30 17901 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  JEPS16959  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou s slope Mount Eddy Comment
  CAS-BOT-BC341179  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills 1524 Comment
  UC1299449  Senecio integerrimus var. exaltatus Freed W. Hoffman 1950-7-13 3551 Siskiyou ne slope Baldy Mountain highest peak; Baldy Mountain 1743 Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  HSC81662  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-7-17 6082 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC82291  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1979-6-15 4824 Siskiyou Trinity-Siskiyou county line; at the head of Scott Mt. Creek at Scott Mt. Campground 1646 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC91240  Senecio triangularis Jennifer Whipple 1978-10-6 2402 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  RSA473097  Senecio triangularis B. C. Templeton 1957-6-22 7744 Siskiyou Near the summit of Scott Mt. Comment
  UC922277  Senecio triangularis Annie M. Alexander and Louise Kellogg 1949-7-19 5809 Siskiyou creeks and edge Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  HSC19471  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1299 Siskiyou Slopes E of Russian Peak 2104 Comment
  RSA448556  Sidalcea M. B. Dunkle 1945-07 9249 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  CAS-BOT-BC205789  Sidalcea oregana Annie M. Alexander; Louise Kellogg 1949-7-23 5852 Siskiyou At Sky High Valley, Paradise Lake, Marble Mountains 1920 Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  JEPS94897  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1998-6-11 9180 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC68047  Silene grayi J. P. Smith, Steve Selva 1970-7-17 4462 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC388946  Silene grayi Mary Ann Showers 1980-7-23 1909 b Siskiyou At summit of Little Mt. Hoffman 2225 Comment
  RSA165436  Silene grayi Clare B. Hardham 1961-6-30 8010 Siskiyou Near White Mt. Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389432  Silene lemmonii Alice Eastwood 1921-7-24 10745 Siskiyou Castle Lake Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  JEPS53891  Sisymbrium altissimum W. L. Jepson 1914-8-13 5790 Siskiyou Sisson 1097 Comment
  SEINET10589337  Sitanion A. Arthur Heller 1920-6-20 Heller 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. 1158 Comment
  UC164450  Smilacina racemosa Geo. D. Butler 1910-6-19 1587 Siskiyou Goosenest foothills 1524 Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  UC163713  Solanum americanum Geo. D. Butler 1909-8-18 1010 Siskiyou near Yreka Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  JEPS12113  Solanum triflorum W. L. Jepson 1940-6-23 19990 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA79898  Solanum triflorum F. W. Peirson 1923-7-19 3836 Siskiyou 20 miles south of Bray. Comment
  CDA8727  Solidago canadensis subsp. elongata T. C. Fuller 1960-7-25 4868 Siskiyou North limits of Mt. Shasta City. 0 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC60957  Solidago elongata Geo. B. Grant Sept 1902 5191 Siskiyou Dunsmuir Dunsmuir (North California) 609 Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At 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
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  UC1409396  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou lower s inlet area Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC29288  Sparganium angustifolium Frederick W. Oettinger 1969-8-22 1507 Siskiyou Marble Mtn. Wilderness Area, NW shore line of Horse Range Lake 1829 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
  SBBG27223  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mtns 1828 Comment
  UC60991  Sphenosciadium capitellatum Geo. B. Grant September 1902 5141 Siskiyou Mount Shasta 914 Comment
  UC454960  Spiraea densiflora I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC149694  Spiraea douglasii Alice Eastwood 1912-7-15 1112 Siskiyou [Mc Cloud] McCloud Comment
  POM210937  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  JEPS63053  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou near lake at head Woolly Creek 1676 Comment
  UC1124942  Stachys ajugoides var. rigida L. Whitney 1934-6-23 5 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  HSC48294  Stachys mexicana J. O. Sawyer, K. Stillman 1978-7-6 3353 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CDA19579  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; 2.5 mi W of Yreka. 929 Comment
  RSA580059  Stachys rigida subsp. rigida Louis C. Wheeler 1935-7-26 3715 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  UCR47858  Stachys stricta 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
  UC1408876  Stellaria calycantha Frederick W. Oettinger and R. F. Thorne 1969-8-4 1166 Siskiyou above inlet Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  JEPS20033  Stellaria media George D. Butler 1909-3-19 559 Siskiyou near Yreka (on Butler's Ranch) Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  UC618866  Stephanomeria lactucina unknown 1938-7-29 11389 Siskiyou Howard Mount Shasta Comment
  HSC29102  Stephanomeria lactucina Frederick W. Oettinger 1968-8-7 473 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  CAS-BOT-BC87869  Streptanthus tortuosus L. B. Kildale 1930-6-1 9722 Siskiyou Salmon River between Oak Bottom and Jones Bar. 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
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC69576  Streptopus amplexifolius Maralyn A. Renner 1980-8-6 2258 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC516431  Streptopus amplexifolius Doris K. Kildale 1929-7-21 8734 Siskiyou Elk Lick, south Fork Indian Creek Comment
  HSC91300  Swertia albicaulis var. nitida Jennifer Whipple 1976-7-14 1479 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC166199  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackleford Creek Comment
  CHSC63603  Symphoricarpos albus var. laevigatus Vernon H. Oswald; Lowell Ahart 1994-8-10 6460 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  CAS-BOT-BC234787  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18891  Symphoricarpos mollis J. O. Sawyer 1968-6-18 206 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  SFV5181  Symphoricarpos mollis B. C. Templeton 1960-6-21 8559 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  JEPS40764  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  UC54111  Symphyotrichum spathulatum H. M. Hall and E. B. Babcock 1903-6-1 4090 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 975 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 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
  HSC43425  Taraxacum officinale Maralyn O'Meara 1974-5-26 451 Siskiyou Chandler Glade on F.S. road 47N03 Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  HSC44387  Tellima grandiflora Maralyn O'Meara 1973-6-25 239 Siskiyou Music Creek 1463 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 914 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  JEPS104955  Thelypodium laciniatum Dean W. Taylor 1996-7-10 15770 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  CDA3886  Thlaspi arvense Don Shaw 1978-3-13 Siskiyou Clement Brothers property, Montague. 0 Comment
  CHSC91613  Thlaspi montanum var. montanum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges. Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  JEPS54044  Thlaspi montanum var. montanum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS82673  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow, Campsite); Cabin Meadow (sw of Stewart Springs) 1798 Comment
  UC1483564  Thlaspi montanum var. montanum Maralyn A. Renner 1980-6-26 1153 Siskiyou Flint Valley , Dillon Mtn. Quad., Flint Valley (Klamath National Forest) 1389 Comment
  UC909332  Thlaspi montanum var. montanum Ira L. Wiggins 1950-5-28 12359 Siskiyou about 1.5 mi e of Scott Mountain road margins Carmen Lake; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  HSC46212  Thysanocarpus curvipes Jennifer Whipple 1976-5-2 903 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  UC165986  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou near Yreka; near Yreka Comment
  HSC64858  Tiarella trifoliata var. unifoliata J. P. Smith, Steve Selva 1970-7-15 4342 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA275403  Tofieldia glutinosa subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  SD211498  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City; damp ground in partial shade along creek, where several forks join before steep drop 1829 Comment
  SEINET10937952  Tofieldia glutinosa subsp. occidentalis Mary Susan Taylor 1980-7-22 Taylor 3173 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA126259  Tolmiea menziesii I. L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam. 1302 Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SBBG56745  Torreyochloa pallida A. Eastwood 1912-7-17 Siskiyou McCloud Comment
  POM56352  Tragopogon porrifolius Copeland 1903-8-4 3886 Siskiyou Sisson. Comment
  UC163902  Tragopogon pratensis Geo. D. Butler 1910-7-1 1619 Siskiyou Yreka Comment
  SEINET5723543 Image available Triantha occidentalis subsp. occidentalis Lowell E. Urbatsch, Vensa Karaman 2000-1 7694 Siskiyou Collected along Road 17, 8.8 mi. SW from the intersection of I-5 & Stewart Spring Rd.; Scott Mountains 1586 Comment
  RSA390085  Tribulus terrestris Louis C. Wheeler 1934-9-22 3291 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  UC220728  Trichostema oblongum Dr. Edward Palmer Jul 13-27 1892 2492 Siskiyou Mount Shasta and vicinity Comment
  HSC68346  Trientalis latifolia J. P. Smith 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA237925  Trifolium cyathiferum Frederick W. Oettinger 1969-8-18 1425 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD107929  Trifolium eriocephalum subsp. eriocephalum Robert E. Preston 1995-6-18 873 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  CAS-BOT-BC219044  Trifolium howellii Lillian Mott 1976-7-18 57 LM76 Siskiyou Meadow at base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  UC630702  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC521555  Trillium L. R. Short 1933-5-23 135 Siskiyou Klamath Forest 914 Comment
  CAS-BOT-BC519097  Trillium chloropetalum var. chloropetalum B. H. Mace 1920-5-27 121 Siskiyou Sulphur Camp 1676 Comment
  HSC18871  Trillium ovatum J. O. Sawyer 1968-7-2 374 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC36716  Trillium ovatum Brent Whitely 1975-7-1 116 Siskiyou 671 Comment
  HSC75147  Trillium ovatum Maralyn O'Meara 1973-6-26 247 Siskiyou 14 mi. from Hwy. 96 on USFS Rd. 46N65 1756 Comment
  HSC44968  Trillium ovatum subsp. oettingeri J. O. Sawyer 1978-6-20 3273 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA0000537  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Near hairpin turn of Music Creek logging road, along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  UCD78065  Trillium ovatum var. oettingeri Robert E. Preston 2001-6-30 1670 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1767 Comment
  UCD78067  Trisetum canescens Robert E. Preston 2001-8-26 1756 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1828 Comment
  HSC26705  Trisetum spicatum William J. Ferlatte 1971-9-18 1384 Siskiyou Caribou Basin. 2226 Comment
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  RSA184774  Trisetum spicatum Gilbert Muth 1966-8-3 491 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  CAS-BOT-BC133482  Triteleia crocea L. B. Kildale 1930-6-1 9831 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  HSC60670  Triteleia crocea Ruby Van Deventer Siskiyou Bear valley Comment
  UC15040  Triteleia crocea W. P. Gibbons May 1896 Siskiyou 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
  SBBG30572  Triteleia hyacinthina D. Myrick 1968-6-27 2047 Siskiyou near Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  HSC29677  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou Marble Mtn. Wilderness Area, E of inlet To Upper English Lake, Bulk Collection 53 1829 Comment
  SD76190  Tsuga mertensiana Helen V. Witham 1969-10-6 556 Siskiyou west face, granite cliffs above Kangaroo Lake 2100 Comment
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  SEINET7343028 Image available Tsuga mertensiana Steve Selva, Roger Jensen 1974-1 53 Siskiyou T40N, R9W, Sec. 19. Upper elevations of slopes West of Little Duck Lake. Pure stands with little understory. Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC91276  Umbellularia californica Carl B. Wolf 1927-8-27 1135 Siskiyou On the Klamath River at mouth of Crawford Creek. Comment
  CAS-BOT-BC91273  Umbellularia californica Berta B. Kessel 1959-10-24 s.n. Siskiyou Pick-a-wish Forest Camp, about 8 miles south of Happy Camp. Comment
  CHSC91368  Uropappus lindleyi Lowell Ahart; John Dittes 2005-6-10 12073 Siskiyou Rocky hillside, on the north side of the Shasta River, about 50 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
  HSC46194  Uropappus lindleyi Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 Comment
  CAS-BOT-BC228832  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1931 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  HSC29307  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  JEPS91235  Vaccinium cespitosum Dean W. Taylor 1988-7-9 9946 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  CHSC77150  Vaccinium membranaceum Loren Gehrung 1996-9-19 128 Siskiyou 1 mile NW of Castle Lake. Scott Camp Creek, near Methodist Church Camp. 1627 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC48273  Vaccinium membranaceum P. Stekel, K. Stillman May 1977 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 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
  UC169080  Valeriana sitchensis subsp. sitchensis Harley P. Chandler 1901-6-22 1583 Siskiyou Haypress Meadow Marble Mountain (ridges and meadows near); North Coast Ranges, Marble Mountain 1828 Comment
  JEPS84208  Vancouveria chrysantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6316 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UCSB63787  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou collected 0.40 mi SE, along the S-side of Tenant Road to Bray Old State Highway - Tenant Road, Old State Highway and Bray 1523 Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS62203  Veratrum californicum var. californicum Willis L. Jepson 1894-7 Siskiyou Sisson Comment
  RSA138226  Veratrum viride Percy C. Everett, E. K. Balls