Search Results — 2000 specimen records retrieved (1383 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78126  Abies X shastensis Gilbert Muth 1966-7-29 132 Siskiyou Forest at Marble Valley, Marble Mt. 1792 Comment
  CAS-BOT-BC78127  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  RSA237341  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou The E side of English Lake on granitic cliff; Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC4974  Abies amabilis J. O. Sawyer 1968-7-2 383 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  UC637119  Abies grandis Edward Lee 1934-8-12 1053 Siskiyou 0.25 mi w of the mouth Walker Creek (s side of the Klamath River, e end of Seiad Valley); Seiad Valley 426 Comment
  HSC32541  Abies lasiocarpa Steven Lagos 1974-5-26 83 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  HSC41957  Abies magnifica Sue Sweet 1977-5-21 66 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  HSC69711  Abies magnifica Maralyn A. Renner 1980-7-15 1773 Siskiyou English Lake inlet 1780 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  SEINET5643775  Acer circinatum Alv Dan Youngberg 1964-7-20 78 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  RSA68864  Acer glabrum var. torreyi A. E. Culbertson 1943-6-23 92 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  RSA240066  Acer macrophyllum Frederick W. Oettinger 1969-8-25 1553 Siskiyou Little North Fork stream crossing along new trail that goes from the end of the logging road to the Devils Canyon Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  RSA237218  Achillea millefolium var. occidentalis Frederick W. Oettinger 1967-8-13 266 Siskiyou Common on dry margins of Bear Meadow' midway, as the crow flies, between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  RSA129519  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 334 Siskiyou Grey Butte 2073 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  UC1265473  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou above Tom's Lake (Bear Meadow); Salmon Mtns., High Lake Basins near English Peak, Marble Mtn 2186 Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  UC891059  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Yreka Creek; Siskiyou Mts., Yreka Creek 853 Comment
  CDA24175  Aconitum columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC82224  Aconitum columbianum subsp. columbianum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4517 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  RSA238291  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou On east side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  SBBG15821  Actaea rubra D. Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  CAS-BOT-BC391708  Actaea rubra L. E. Smith 1914-9-1 757 Siskiyou Castle Lake Comment
  UCD95421  Actaea rubra John M. Tucker 1963-7-7 3719 Siskiyou ca. 1/4 mile down the trail (north of) from the lake. Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC29322  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  UC88424  Adenocaulon bicolor Dr. E. B. Copeland 1903-9-5 3925 Siskiyou at foot of mountain Mt. Eddy; Pacific Coast, Mt. Eddy 1188 Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC1949220  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 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
  UC42043  Adiantum aleuticum Marshall A. Howe 1894-8-7 Siskiyou Mossbrae Falls Shasta Soda Springs Comment
  UC1593365  Adiantum capillus-veneris Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2543 Siskiyou Fossil Cave; Lava Beds National Monument 1280 Comment
Read comments
May 30 2013
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 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
  CDA37711  Aegilops cylindrica R. Breckenridge/K. Filippini 2007-6-13 s.n. Siskiyou Montague. 0 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  RSA17696  Agastache parvifolia Elmer I. Applegate 1935-6-7 9406 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS80551  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Mt. Wilderness Area 1792 Comment
  HSC2364  Agastache urticifolia William J. Ferlatte 1966-8-19 440 Siskiyou Kidd Creek Trail. 1707 Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  HSC79317  Ageratina occidentalis D. H. Norris 1970-5-23 12240 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  UC92268  Agoseris heterophylla var. heterophylla Brandegee Jul 1 1887-Jan 1 1900 Siskiyou Sissons Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CDA345  Agoseris retrorsa T. C. Fuller 1962-6-11 8957 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  POM211400  Agrostis L. C. Wheeler 1934-6-26 2792 Siskiyou Border of sunny creek, Cottonwood creek 838 Comment
  SEINET7295881 Image available Agrostis alba Beecher Crampton 1956-1 3868 Siskiyou Abundant in a dry meadow of volcanic ash with surrounds of Abies forest, Wagon camp Road, ca. 5.5 miles southwest of Panther Meadow, south slope of Mt. Shasta 1646 Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  UCD52129  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Wagon Camp Road, lower south slopes of Mt. Shasta. 1645 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
  HSC69112  Agrostis gigantea Maralyn A. Renner 1980-8-6 2303 Siskiyou Cracker Meadow 1555 Comment
  JEPS73751  Agrostis gigantea Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC139347  Agrostis idahoensis Alice Eastwood 1921-7-28 10936 Siskiyou Medicine Lake. Comment
  JEPS84089  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6387 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA384953  Agrostis pallens M. B. Dunkle 9324 Siskiyou Marble Mountains. 2439 Comment
  RSA697272  Agrostis pallens D. W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna) in cirque above the upper lake; Klamath National Forest 2073 Comment
  UCD53099  Agrostis pallens E. B. Copeland 1903-9-6 3801 Siskiyou Siskiyou/Trinity County: Mt. Eddy. Comment
Read comments
Jun 10 2012
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  CAS-BOT-BC138695  Agrostis scabra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  SBBG26837  Agrostis stolonifera L. C. Wheeler 1947-8-14 3134 Siskiyou N side of White Mtn, Siskiyou Mts; T37N, R10W S1 1767 Comment
  UCD53513  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  CAS-BOT-BC462376  Allium amplectens Margaret M. Hanna 1958-6-20 s.n. Siskiyou Along highway - 6 miles south of Dunsmuir Comment
  HSC33999  Allium bolanderi var. bolanderi J. P. Smith 1974-5-25 7501 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  UC909369  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  CAS-BOT-BC469234  Allium falcifolium R. C. Barneby 1954-5-16 11529 Siskiyou 6 miles SW of Yreka 975 Comment
  CAS-BOT-BC469241  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  HSC540  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  SEINET3879909  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Etna quad. Meadow behind Horseshoe Lake.; 0 1920 Comment
  CAS-BOT-BC171400  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-8-18 6493 Siskiyou head of N Fork of Salmon River at Finley's Upper Camp Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  CHSC63593  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1994-8-10 6448 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  UCD149840  Ambrosia trifida Harry A. George; William Anderson, Ed. O'Neill 1965-8-13 s.n. Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC4953  Amelanchier alnifolia var. pumila J. O. Sawyer 1968-7-10 481 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC142874  Amelanchier alnifolia var. semiintegrifolia Ira L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  POM88107  Amelanchier pallida Geo. D. Butler 1910-4-24 s.n. Siskiyou Quartz Valley Comment
  CAS-BOT-BC136878  Amelanchier utahensis A. A. Heller 1927-5-14 s.n. Siskiyou Along the Pacific Highway near Gazelle on the edge of the Shasta Valley Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC391756  Anemone Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC1190150  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou trail to Caribou Lake (summit of ridge above Thompson Creek) 1999 Comment
  HSC45  Anemone drummondii William J. Ferlatte 1967-6-29 573 Siskiyou Yellow Rose Mine 1982 Comment
  HSC58898  Anemone lyallii Marvin Butler 1971-7-6 31 Siskiyou Near El Capitan 2440 Comment
  RSA238274  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UCD127192  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  HSC4659  Antennaria geyeri W. L. Jepson Jul 1894 Siskiyou Sisson (now the town called Mt. Shasta) Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  JEPS89482  Antennaria racemosa Dean William Taylor 1972-7-3 1598 Siskiyou at Cook and Green pass Cook and Green pass 1371 Comment
  HSC61190  Antennaria racemosa Al Hobart Siskiyou El Capitan 1524 Comment
  RSA416694  Antennaria racemosa M. B. Dunkle 1944-7-3 9071 Siskiyou Siskiyou Mts. Beaver Crk. 1677 Comment
  JEPS84314  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end,(road end area & camp overlooking s end of Alex Hole- se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 Comment
  HSC21990  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-9 1252 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC67783  Antennaria rosea subsp. rosea J. O. Sawyer, J. Cole 1980-7-21 3842 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  CAS-BOT-BC84758  Antennaria rosea subsp. rosea K. T. Stillman 1976-8-7 213 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 1950 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  JEPS23768  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6821 Siskiyou 7 mi e Callahan 1127 Comment
  HSC67802  Apocynum androsaemifolium J. Sawyer, J. Cole 1980-7-22 3981 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  SBBG5685  Apocynum androsaemifolium H. and M. Dearing 1938-6-27 2181 Siskiyou 1 mi W of McCloud Comment
  SFV5172  Apocynum androsaemifolium B. C. Templeton 1960-6-21 8538 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  UC54547  Apocynum androsaemifolium H. M. Hall and E. B. Babcock June, 1903 4050 Siskiyou Mt. Shasta near Sisson; Sierra Nevada 1066 Comment
  CAS-BOT-BC407125  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CAS-BOT-BC395151  Aquilegia formosa Douglas Barbe 1955-6-30 054 Siskiyou 0.5 mile NW of Forest Camp, Etna, along Johnson Creek 914 Comment
  RSA238278  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  CAS-BOT-BC27272  Arabis polytricha George Dexter Butler 1909-5-8 723 Siskiyou Near Yreka Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC82564  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4724 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  JEPS53186  Arabis subpinnatifida Geo. D. Butler ca. 1909 587 Siskiyou Yreka Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CDA38201  Aralia californica D. H. Shaw & D. Osterhandt 1978-7-25 s.n. Siskiyou McNeal Creek, near Fork of Salmon. 0 Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  SEINET2471292  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -45 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  RSA237459  Arceuthobium californicum Frederick W. Oettinger 1969-9-5 1677 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET2471193  Arceuthobium campylopodum R. L. Mathiasen 2009-8-14 2009 -45 Siskiyou 1 km N. of State Route 89 on Shasta Ski Park Rd. 1411 Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  HSC96174  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  SEINET2471392  Arceuthobium monticola R. L. Mathiasen 2008-8-13 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  UCR51807  Arctium minus L. C. Wheeler 1934-9-17 03276 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 703 Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 Comment
  CAS-BOT-BC45413  Arctostaphylos nevadensis subsp. knightii Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp Road, near Oregon State line. Comment
  CAS-BOT-BC46468  Arctostaphylos patula C. Hart Merriam 1918-9-20 s.n. Siskiyou Happy Camp, Klamath Canyon. Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  HSC29317  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, N end of Hancock Lake 1936 Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS101962  Arctostaphylos patula Dean W. Taylor 1999-6-9 17229 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA238584  Arctostaphylos patula Frederick W. Oettinger 1967-8-26 324 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  SEINET11988200  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cook & Green Pass 1372 Comment
  SEINET11989684  Arctostaphylos patula subsp. platyphylla R. Raiche, Radnik, K. 1982-1 20820 Siskiyou on road to Mt. Eddy 1524 Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47018  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  CAS-BOT-BC47023  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  UC609313  Arnica Eleanor Burks Hart 1938-8-21 917 Siskiyou Upper Wright Lake 2225 Comment
  HSC46315  Arnica cernua J. P. Smith 1976-5-4 8655 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  CHSC88368  Arnica chamissonis Jenny Marr 1993-7-1 174 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM360730  Arnica chamissonis N. C. Cooper 1948-6-16 5095 Siskiyou Margins of Grass Lake, a drying vernal lake north of Mount Shasta 1524 Comment
  CAS-BOT-BC82362  Arnica cordifolia Doris K. Kildale 1929-7-20 8596 Siskiyou South east spur of Preston Peak 1950 Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  SEINET999813  Arnica lanceolata subsp. prima Mark Fishbein, Lane Greer 2006-1 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 2000 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  CAS-BOT-BC90060  Arnica nevadensis Philip A. Munz 1952-7-2 17879 Siskiyou road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  UC195205  Arnica nevadensis Annie M. Alexander and L. Kellogg 1911-6-28 204 Siskiyou Wildcat Pk. 2194 Comment
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  HSC76942  Artemisia borealis subsp. borealis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area 2141 Comment
  RSA186323  Artemisia douglasiana Gilbert Muth 1966-10-16 10 Siskiyou Marble Mountains 1793 Comment
  JEPS94675  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on s side of Tennant Rd. 0.2 mi se Old State Hwy. to Bray (and on e side of intermittent stream draining Dry Lake) 1402 Comment
  CAS-BOT-BC90773  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area, N & NE & E side of Black Mtn. Comment
  CHSC72225  Artemisia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1998-9-16 9629 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
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  CAS-BOT-BC447715  Aruncus dioicus var. vulgaris Doris K. Kildale 1929-7-20 8617 Siskiyou South Fork, Indian Creek near Happy Camp Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  RSA134151  Aruncus vulgaris Percy C. Everett, E. K. Balls 1959-10-24 23950 Siskiyou 7.4 miles NW from Forks, along Salmon River, Sawyers Bar to Somes Bar. 244 Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  SEINET12283214  Asclepias fascicularis M. Ownbey, Meyer, F. G. 1940-1 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook Comment
  HSC65054  Asclepias speciosa J. P. Smith, Steve Selva 1970-6-16 4085 Siskiyou W of Sawyers Bar Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UCD121377  Asclepias speciosa K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  SEINET10913619  Asclepias speciosa K. Bridwell 1978-7-5 Bridwell 164 Siskiyou Along county dirt road between the Tablelands and Mahogany Ridge, ca 18 mi S of Klamath Falls, Ore., and 3 mi NE of Dorris, Calif. 1244 Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  SEINET10863546  Aspidotis densa Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7016 Siskiyou Mathew's Creek Campground on S fork of Salmon River. 549 Comment
  UC399496  Aspidotis densa Geo. D. Butler 1910-6-4 1494 Siskiyou Shackleford Creek Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  RSA770804  Aster behringensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  RSA111078  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2.5 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
  CAS-BOT-BC186917  Astragalus inversus Dean Wm. Taylor; Rexford E. Palmer; Glenn L. Clifton; Roy Buck 1987-6-24 9049 Siskiyou Vicinity of Mud Well, McCloud River headwaters 1402 Comment
  JEPS87067  Astragalus inversus Dean Wm. Taylor and Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater, Modoc Plateau); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 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
  UC163878  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou near Yreka; near Yreka Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  UC1333511  Astragalus whitneyi John F. Davidson 1947-5-17 4635 Siskiyou 5 mi from Callahan (27 mi from Trinity Center, in draw on first summit Scott Mt. Road on n slope Scott Mt.); n slope Scott Mt., <nr> Callahan, 27 mi fr Trinity Center Comment
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  RSA249717  Astragalus whitneyi var. siskiyouensis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest.; c. 14 air mi. SW of Weed, 0.4 mi. NE of Rock Fence Creek along road to Kangaroo Lake. Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS97805  Athyrium distentifolium R. Raiche and S. Winchester 1988-7-24 80265 Siskiyou above Upper Cliff lake; S Fork Sacramento R., Cedar Lake area Comment
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  POM94678  Athysanus pusillus Geo. D. Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  UCR64451  Atriplex rosea L. C. Wheeler 1934-10-21 03339 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  CAS-BOT-BC170611  Atriplex trinervata Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  UCD97849  Atriplex truncata Verne Grant; Irving Scheider 1947-8-26 8301 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  UC166161  Balsamorhiza Geo. D. Butler 1910-5-10 1337 Siskiyou Shasta Valley Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  CAS-BOT-BC106542  Balsamorhiza deltoidea Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42693 Siskiyou Roadside turnoff, 1 mi. w. of Bolam road, along SR-97, Mt. Shasta 1158 Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  CAS-BOT-BC100106  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou by New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  CAS-BOT-BC145847  Beckmannia syzigachne Dorothy Parker 1950-6-21 s.n. Siskiyou Scott Valley (Fay Lane). 853 Comment
  UC165952  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-1 1807 Siskiyou Yreka Creek Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  HSC39319  Berberis aquifolium var. repens J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  CHSC91250  Betula occidentalis Lowell Ahart; John Dittes 2005-6-10 12072 Siskiyou On the north side of the Shasta River, near rocky hillside north of the Shasta River, south of a poor dirt road, 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
  JEPS58658  Betula occidentalis W. L. Jepson 1914-8-13 5794 Siskiyou swamps Sisson 1097 Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  JEPS11902  Bidens cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4801 Siskiyou about 0.8 mi s of Fort Jones; Scott Valley 822 Comment
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC413070  Bistorta bistortoides L. S. Smith 1913-6-1 333 Siskiyou Sisson Comment
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127947  Blepharipappus scaber A. M. Vollmer; L. Beane 1951-5-31 21 Siskiyou On scree near highway, Scott Mountain Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC1211907  Blepharipappus scaber Roy L. Taylor 1960-6-12 4444 Siskiyou 1 mi w of jtn. of Hwy. 96 (Klamath River rd) and Hwy. 99 n of Yreka, above Klamath River Hwy. 96 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127941  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  LA204400  Boechera howellii L. Ellison; 1928-9-11 509 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC25422  Boechera retrofracta L. E. Smith 1913-6-12 s.n. Siskiyou Road between Sisson and Castle Lake. Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC25429  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  CAS-BOT-BC25626  Boechera retrofracta H. E. Brown 1897-6-1 438 Siskiyou North side Mount Shasta. 3048 Comment
  SEINET12627114 Image available Boechera retrofracta Martin Schilling 2013-1 MS 310 Siskiyou NW side of Mt Eddy, on rocky outcrops just below Deadfall Lakes, ca 1.5 air mi from peak 2138 Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC468  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake basin. 1677 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  UCD102598  Boykinia major Dean William Taylor 1972-7-3 1585 Siskiyou At Cook and Green Pass. 1371 Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC418460  Boykinia major C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake; Flora of the Pacific Slope 1828 Comment
  POM92218  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou Salmon Mtn. 1677 Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  CAS-BOT-BC100470  Brickellia californica Carl B. Wolf 1927-8-26 1005 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  UCD77173  Brodiaea coronaria Robert E. Preston 2002-6-22 1882 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  SEINET10965891  Brodiaea ida-maia David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20651 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  CAS-BOT-BC144102  Bromus Arthur Menzies 1962-7-26 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  RSA127008  Bromus carinatus H. S. Yates 1936-6-21 5832 Siskiyou one mile southwest of Signal Butte. 1341 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  UCD58313  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3388 Siskiyou At Weed. Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  UCD59249  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mt. Eddy. 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
  HSC101709  Bromus tectorum J. P. Smith, J. O. Sawyer 2011-6-25 13257 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  UC1131302  Bromus tectorum M. H. Mitchell 1936-5-14 21 Siskiyou Modoc Lava Beds National Monument, Canby Cross Canby Cross; Modoc Lava Beds National Monument, Canby Cross 1249 Comment
  POM37674  Cacaliopsis nardosmia Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek. Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  RSA239133  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  JEPS104951  Calochortus greenei Dean W. Taylor 1996-6-26 15744 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
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Feb 28 2009
  UC60900  Calochortus macrocarpus Mrs. E. A. Wilson 1902-7-2 Siskiyou Sheep Rock Mount Shasta Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC492708  Calochortus nudus Ella Dales Cantelow 1939-6-10 2585 Siskiyou 17.6 mi. s. e. of McCould on road to Burney 1737 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  CAS-BOT-BC181516  Caltha leptosepala Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  RSA0120952  Caltha leptosepala James P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  RSA255552  Calycadenia ciliosa Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 miles east of Somesbar on Etna-Somesbar Road Comment
  RSA47126  Calycadenia ciliosa Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar Comment
  SEINET7379700 Image available Calycadenia truncata G. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  POM210917  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  JEPS96990  Calypso bulbosa Dean W. Taylor 1999-6-9 17231 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC922355  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1949-7-21 5826 Siskiyou hill n of Paradise Lake (Marble Mountains); Marble Mountains 1920 Comment
  JEPS101705  Calystegia malacophylla subsp. malacophylla Dean W. Taylor 1997-6-12 16066 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  JEPS53275  Camelina microcarpa W. C. Blasdale 1894-7-28 Siskiyou Sisson Comment
  CAS-BOT-BC160907  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along U.S. Highway #97, just south of Bray 1402 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10462854  Campanula prenanthoides Brown 1897-7-15 Brown 527 Siskiyou SOUTH SIDE MT SHASTA 5000-10000 Comment
  SEINET10463151  Campanula prenanthoides Young 1921-9-15 YOUNG s.n. Siskiyou Etna Mills Comment
  SEINET10463158  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter s.n. Siskiyou S. OF MT SHASTA Comment
  SEINET10463367  Campanula prenanthoides Ferlatte 1966-8-3 FERLATTE 267 Siskiyou ALONG S FORK SALMON R HBTWN CAMPGROUND & CARTER'S FLAT WOODED AREA W/ SCATTERED OPENINGS. T37N R9W SEC. 19 & 30 1524 Comment
  CHSC179  Campanula scabrella E. G. England 1939-7-16 Siskiyou Mt. Eddy timberline. 2133 Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  SEINET10463523  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou NR. SUTCLIFFE CR., PRESTON PEAK QUAD. NR. HAPPY CAMP STREAMSIDE, EVERGREEN FOREST 1341 Comment
  SEINET10905940  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou BUCK LAKE 1311 Comment
  SEINET192728  Campanula wilkinsiana W. Bridge Cooke 1941-8-28 16238 Siskiyou Mt. Shasta Squaw Valley Creek. 1829 Comment
  RSA120725  Cardamine californica var. integrifolia S. S. Tillett 1956-7-9 663 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  UC166117  Cardamine nuttallii Geo. D. Butler 1909-3-22 566 Siskiyou Scott River <N?> <S?> Oro Fino; Scott River <?> of Oro Fino Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  RSA238957  Carex Frederick W. Oettinger 1969-8-13 1355 Siskiyou North side of Crapo Ridge trail to Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC19773  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC17858  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  NY25676  Carex amplifolia H. E. Brown 1897-6-1 319 Siskiyou Near Sisson 1082.0 Comment
  NY25681  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  CAS-BOT-BC19559  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  CAS-BOT-BC34160  Carex breweri J. D. Hooker; A Gray 1877-1-1 s.n. Siskiyou Mt. Shasta. Comment
  UC673  Carex breweri W. H. Brewer 1862-9-13 1392 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  CHSC40179  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou On a short ridge near the old Grayback Rd ca 1/2 mi above West Branch Guard Sta. 746 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34882  Carex deflexa var. boottii John Thomas Howell 1937-7-21 13198 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC85831  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 472 Siskiyou Poker Flat, upper portion of meadow. 1524 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
  CAS-BOT-BC19919  Carex epapillosa Alice Eastwood 1921-7-28 10940 Siskiyou Medicine Lake. Comment
  CHSC90366  Carex geyeri Martin J. Lenz 2004-7-2 223 Siskiyou Miller Mtn.; approx. 2.6 mi. (4.2 km) 319 degree T from Herd Peak. UTM: 10 561352 E 4611707 N. 1797 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UCR52389  Carex gigas L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET12649459 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25668 Siskiyou 1600 Comment
  CAS-BOT-BC7826  Carex inops subsp. inops J. W. Stacey 1940-7-12 15333 Siskiyou Along the Memorial Highway. 1371 Comment
  CAS-BOT-BC7579  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Long Gulch Lake. Klamath National Forest. 1940 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  CHSC95994  Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC82375  Carex luzulina Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4528 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD140537  Carex luzulina Peter F. Zika 2009-6-18 s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summitm Klamath Range (KR). 1640 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  CAS-BOT-BC31687  Carex mariposana Louis C. Wheeler 1934-8-2 3014 Siskiyou Jaynes Canyon 2042 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  RSA550446  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  JEPS25659  Carex microptera Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7302 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC109970  Carex multicaulis Peter F. Zika; Julie Nelson 2012-6-21 25903 Siskiyou South Fork Willow Creek, 8.4 air km NE of Gazelle Mountain, Shasta-Trinity National Forest. Klamath Range (KR). 1145 Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  HSC97434  Carex multicaulis Jennifer Whipple 1976-6-30 1184 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2378 Comment
  JEPS87083  Carex multicaulis J. Kierstead 1991-6-20 91 -69 Siskiyou 1 mi s Mumbo Basin (at jct. of Forest Service Rds. 40N26 and 38N24); Mt. Shasta Ranger Dist. 1889 Comment
  CAS-BOT-BC23421  Carex multicostata John Thomas Howell 1937-7-22 13254 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET7568490 Image available Carex multicostata Ray Tallent 1987-8-13 915 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  HSC29633  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  HSC76948  Carex multicostata K. T. Stillman 1976-7-14 231 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC85829  Carex multicostata L. P. Janeway 1983-7-2 362 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CAS-BOT-BC119677  Carex nervina William Bridge Cooke 1938-7-15 11255 Siskiyou Spring meadow, Mt. Shasta 1737 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC119470  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  UCR40057  Carex nudata L. P. Janeway 1983-6-25 441 Siskiyou West side of Klamath River just north of Ferry Point 290 Comment
  HSC76396  Carex nudata L. P. Janeway 1982-7-3 46 Siskiyou At Ferry Point, W side of Klamath River 290 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  RSA120496  Carex pellita S. S. Tillett 1956-7-11 690 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CDA33132  Carex praegracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada. Comment
  HSC76629  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  CHSC100000  Carex scabriuscula L. P. Janeway 2008-7-26 9511 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. Common on somewhat moist north-northeast facing slope. 1890 Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1736054  Carex spectabilis Dean W. Taylor 1975-8-14 5360 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  RSA238931  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC33154  Carex straminiformis William Henry Brewer 1397 Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC115839  Carex subfusca Alice Eastwood 1921-7-25 10830 Siskiyou Bigelows on the McCloud R. Comment
  HSC39085  Carex vernacula D. H. Norris May 1970 12298 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UCD77478  Carex vesicaria Robert E. Preston 2001-6-30 1657 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC114823  Carex whitneyi J. W. Stacey 1938-7-1 11161 Siskiyou Wagon Camp. 1737 Comment
  HSC59937  Cassiope mertensiana subsp. ciliolata D. L. Goforth 1979-7-19 246 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  CAS-BOT-BC248990  Castilleja Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  CAS-BOT-BC249373  Castilleja applegatei Gilbert Muth 1966-7-17 386 Siskiyou Near lookout, Marble Mts. 2042 Comment
  LA209198  Castilleja applegatei C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  JEPS24243  Castilleja applegatei subsp. pinetorum Douglas Barbe 1959-7-4 521 Siskiyou about 4 mi sw Big Flat Camp (n shore of Caribou Lake); Klamath National Forest, Caribou Lake 2103 Comment
  RSA17663  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument. Comment
  UC61065  Castilleja applegatei subsp. pinetorum W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson; Mount Shasta Comment
  HSC19027  Castilleja arachnoidea J. O. Sawyer 1969-6-13 1091 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC61197  Castilleja arachnoidea Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  RSA183718  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1965-8-6 179 Siskiyou Backside of Blk. Mt. Marble Mts. 2073 Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  HSC64583  Castilleja lacera J. O. Sawyer 1979-5-26 3362 Siskiyou Along Hwy. 3 on N side of Scott Mtn. 1341 Comment
  HSC20561  Castilleja linariifolia R. C. Wunner 1965-6-30 311 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  CAS-BOT-BC254105  Castilleja miniata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC29388  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1951 Comment
  UC164431  Castilleja miniata Geo. D. Butler 1908-8-10 424 Siskiyou Shackleford Creek Comment
  SBBG30609  Castilleja miniata subsp. miniata D. Myrick 1968-6-25 2020 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  SBBG6812  Castilleja miniata subsp. miniata H. and M. Dearing 1939-7-2 Siskiyou near Salmon Mtn Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  JEPS66323  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi n of Deer Lodge (n of Weed)) 1463 Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  UC169089  Castilleja pruinosa Harley P. Chandler Jun 1901 1667 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  RSA293188  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  CAS-BOT-BC241084  Castilleja schizotricha G. J. Muth 1969-8-6 1200 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC48652  Ceanothus cordulatus L. E. Detling 1950-6-8 6588 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  RSA256607  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC50683  Ceanothus integerrimus var. macrothyrsus K. L. Chambers 1967-6-22 2855 Siskiyou Siskiyou Mountains: rocky knoll ca. 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  SEINET5430944 Image available Ceanothus jepsonii Ross C. Clark, Bob Harvey; Chris Harvey 23913 Siskiyou Town of Mt. Shasta. Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  HSC31548  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC53075  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mts. - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  UC1034042  Ceanothus velutinus W. Bridge Cooke 1941-8-21 16214 Siskiyou n side Diller Canyon (Mt. Shasta, w side of Shastina); Mt. Shasta, w side of Shastina Comment
  UC163729  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CAS-BOT-BC272123  Centaurea cyanus Alice Eastwood 1912-7-22 1303 Siskiyou Sisson Comment
  CDA36763  Centaurea diffusa D. B. Joley 1976-5-13 7 Siskiyou Lake Siskiyou. 0 Comment
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  NY444414  Centaurea solstitialis M. L. Conrad 1973-6-1 6970 Siskiyou At the north edeg of Hornbrook 731.5 Comment
  CDA37702  Centaurea squarrosa Breckenridge 2006-7-15 s.n. Siskiyou Weed, Terrace Drive, near Siskiyou College. 0 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  UCR47629  Centaurea virgata var. squarrosa Don Pendleton 1986-6-26 s.n. Siskiyou Modoc Plateau 1293 Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  CAS-BOT-BC288798  Centromadia fitchii Donald Myrick 1961-6-21 295 Siskiyou Along Highway 99 just S of Yreka Comment
  HSC43039  Cephalanthera austiniae J. O. Sawyer, K. T. Stillman 1976-7-2 2812 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  OBI68582  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Long Property, Little Shasta rd, 5 mi E of Montague Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  CAS-BOT-BC135447  Cercocarpus betuloides var. betuloides C. R. Quick 1950-6-21 50 -06 Siskiyou Along Beaver Creek Road, just N of Klamath River Comment
  HSC100  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. 1982 Comment
  UC1733685  Cercocarpus ledifolius Frank Gould, Kay H. Beach 1940-5-16 1253 Siskiyou about 11 mi W of Mt. Hebron ( summit of Bald Mountain grade) Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  OBI55466  Chaenactis douglasii var. douglasii David J. Keil, Kathleen Keil 1992-7-21 23538 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  UC456030  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UC564177  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte Lava Beds National Monument Comment
  RSA178679  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance from Castle Crags in the yellow pine belt. Near the source of the Sacramento River. Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  HSC101477  Chamaecyparis lawsoniana J. P. Smith, J. O. Sawyer 2011-7-21 13029 Siskiyou Forest Service Road 14N03 to Flint Valley Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA275354  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  RSA602927  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  HSC4389  Chenopodium leptophyllum R. C. Wunner 1965-6-30 316 Siskiyou Lava Beds National Monument, at start of Symbol Bridge Trail. 1387 Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  HSC19321  Chimaphila umbellata J. O. Sawyer 1968-9-28 741 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC69265  Chimaphila umbellata John Palmer 1980-8-12 728 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC39666  Chorispora tenella S. D. Nelson 1951-4-27 s.n. Siskiyou 1 mile northwest of Gazelle. Comment
  CAS-BOT-BC252662  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird, Mount Shasta Comment
  RSA237872  Chrysolepis chrysophylla Frederick W. Oettinger 1969-7-29 1097 Siskiyou Above Uncle Lake near inlet stream. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG113470  Chrysolepis chrysophylla D. Wilken with E. Painter 2000-8-10 15853 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  HSC8066  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou Near Duck Lake Creek, Salmon Mtn. 1524 Comment
  RSA68860  Chrysolepis sempervirens A. E. Culbertson 1943-7-2 96 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600' eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  RSA82828  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou Ca. 5 miles south-east of Callahan, beside road up Scott Mountain. Comment
  SBBG25330  Chrysolepis sempervirens J. M. Tucker, L. K. Mann 1963-7-4 3692 Siskiyou rd from Etna to Sawyer's Bar, ca. 4.7 mi (by rd) SW of Etna Comment
  SEINET11860560  Chrysothamnus nauseosus subsp. albicaulis J. P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mountains 1219 Comment
  CAS-BOT-BC100859  Chrysothamnus viscidiflorus subsp. viscidiflorus Ynez Winblad 1936-8-22 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  HSC19172  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-24 1516 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  CAS-BOT-BC285345  Cirsium andersonii C. G. Pringle August 28 s.n. Siskiyou Unspecified Comment
  CDA1181  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  UC135253  Cirsium douglasii var. breweri Dr. E. B. Copeland 1903-8-14 3934 Siskiyou Sisson Pacific Coast, Sisson 1066 Comment
  UC30779  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 B Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  CDA15400  Cirsium occidentale var. candidissimum G. F. Hrusa 1997-9-18 14107 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  RSA0070695  Cirsium occidentale var. candidissimum Geo. D. Butler 1910-6-2 1449 Siskiyou Near Yreka. Comment
  RSA0070878  Cirsium remotifolium M. B. Dunkle 1945-1 9338 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  CAS-BOT-BC228976  Cistanthe umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  HSC97706  Clarkia modesta Thomas W. Nelson, Jane Nelson 2006-7-1 9452 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  RSA105440  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou Klamath Mountains: 1.3 miles east of Etna on the Westside Road to Callahan 854 Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  RSA264972  Clarkia rhomboidea Gilbert Muth 1975-8-1 7198 Siskiyou Near Joe Creek, near Seiad Valley. 1707 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  SEINET9115673  Claytonia exigua subsp. exigua K. L. Chambers 1986-3-24 5237 Siskiyou Hwy 3, W of Eureka on way to Fort Jones, 7.2 miles W of I-5, W side of summit. Comment
  JEPS43220  Claytonia lanceolata W. L. Jepson 1907-7-5 2836 Siskiyou Marble Mt. 2133 Comment
  UC166188  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-16 675 Siskiyou near Yreka Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CHSC98057  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old highway. On the stone check-dam and at edge of creek below it,. Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  JEPS60556  Clematis ligusticifolia W. L. Jepson July 1894 Siskiyou Sisson Comment
  UC398634  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou near Klamath River (n end of Shasta Valley); Shasta Valley Comment
  CDA25290  Cleome platycarpa J. R. Grisham 1960-7-21 Siskiyou South side of road, 1 miles northwest of Montague. 0 Comment
  HSC69574  Clintonia uniflora Maralyn A. Renner 1980-8-6 2260 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC375201  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou near Cold Spring (Wooley Creek); Wooley Creek Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  CAS-BOT-BC500966  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek Salmon Mountain 1524 Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  CAS-BOT-BC238056  Collinsia Alice Eastwood 1912-7-15 s.n. Siskiyou Mc Cloud [McCloud] Comment
  UC164320  Collinsia grandiflora Geo. D. Butler 1911-4-23 1226 Siskiyou Quartz Valley; damp meadow Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  SEINET7073598  Collinsia parviflora A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  RSA47996  Collinsia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11734 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1229805  Collinsia parviflora Francia Chisaki, Gene Newcomb 1958-6-22 1157 a Siskiyou 9.6 mi w of Fort Jones (on road to Gazelle and 9.4 mi s from this road to Duzel Rock, between Fort Jones and Gazelle); Duzel Rock 1645 Comment
  UC1483552  Collinsia parviflora Maralyn A. Renner 1980-6-7 791 Siskiyou n of Greenhorn Road (Klamath National Forest); Klamath National Forest 1097 Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  POM43373  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath River. Comment
  HSC35790  Collinsia torreyi var. wrightii J. O. Sawyer 1969-7-11 1323 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  UC1096791  Collomia grandiflora Barbe 1957-7-13 377 Siskiyou in dry w slope along the path to the spring Klamath National Forest, Big Flat Public Camp (w side of camp) Comment
  UC201122  Collomia grandiflora Dr. E. B. Copeland 1903-8-12 3932 Siskiyou Sisson Comment
  SEINET2445655  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mile South of Etna on State Route 3.; 0 914 Comment
  UC455655  Collomia heterophylla I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC1191642  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  HSC19052  Collomia tinctoria J. O. Sawyer 1969-7-16 1134 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  RSA47659  Corallorhiza maculata Roxana S. Ferris, Laura Lorraine 11751 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS104436  Corallorhiza mertensiana Martin J. Lenz 2003-6-9 17 Siskiyou approx. 1.2 mi E of Deadhorse Summit, along logging road 60A 1378 Comment
  SEINET12078269  Corallorhiza striata Unknown 1986-1 60355 Siskiyou SW of Cook and Green Pass, Kangaroo Mountain 1798 Comment
  JEPS60490  Cordylanthus tenuis subsp. pallescens T. I. Chuang and L. R. Heckard 1969-8-21 6741 Siskiyou nw Mt. Shasta City (sw of Black Butte) 1066 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CHSC110365  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek road, 0.6 miles above the junction with Old Stagecoach Road (study site 10). 1039 Comment
  HSC101188  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-9 16282 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow, on the mountain. 1345 Comment
  UCD123170  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou on road 26 between Lake Siskiyou and Gumboot Lake, at junction, about 3/4 mile uphill of road 40N43. 1509 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
  OBI59411  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, C. L. Custer & G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and SE of ) summit of the road between Takilma, OR and Happy Camp-Klamath Natl Forest, Siskiyou Mts; drainage of the West Branch of Indian Creek 914 Comment
  HSC36710  Cornus canadensis Brent Whitely 1975-7-8 148 Siskiyou 762 Comment
  CAS-BOT-BC209879  Cornus nuttallii Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC210404  Cornus sericea Doris K. Kildale 1928-8-20 6335 Siskiyou Head of North Fork Salmon River at Finley's Upper Camp Comment
  SJSU2549  Cornus sericea subsp. sericea H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  UC1419839  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from Interstate 5 north of Dunsmuir (driveway to Dunsmuir Elementary School); driveway to Dunsmuir Elementary School Comment
  JEPS83835  Corylus californica Wayne Roderick Aug 1975 Siskiyou vicinity of Cook and Green Pass, near Summit Siskiyou Mountains 1463 Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  RSA759839  Corylus cornuta var. californica R. F. Thorne 1969-8-2 63399 -a Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC99922  Crataegus suksdorfii J. O. Sawyer, & R. J. Cole 2010-6-26 4609 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  RSA715494  Crepis bakeri L. Ahart, John Dittes 2005-6-9 12028 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UC221771  Crepis occidentalis H. E. Brown Jun 1 1897-Jun 10 1897 382 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC92864  Crepis occidentalis subsp. pumila Jennifer Whipple 1976-6-30 1196 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  SDSU3854  Crepis pleurocarpa D. F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mt. Comment
  UCR37826  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15'Q. 1982 Comment
  CAS-BOT-BC299732  Crocidium Peter H. Raven 1963-5-19 18398 Siskiyou Just south of California State line on U.S. Highway 97, north of Macdoel Comment
  UC54009  Crocidium multicaule W. T. Mooney 1903-4-1 Siskiyou Yreka Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC532172  Cryptantha intermedia Isabelle C. Kimber 1934-6-9 27 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  CAS-BOT-BC94404  Cryptantha torreyana R. C. Wenk 2005-7-15 203 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 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
  POM72235  Cryptantha torreyana Edward Palmer 2517 Siskiyou Mount Shasta and vicinity. Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  SD53401  Cryptogramma cascadensis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2440 Comment
  SEINET10529944  Cryptogramma crispa subsp. acrostichoides Mary Susan Taylor 1980-7-8 Taylor 3096 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  CDA38287  Cymopterus terebinthinus var. californicus Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 .1 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  POM215940  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CDA5637  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou West side of road to McCloud Reservoir, 0.3 mile south of McCloud. 0 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  RSA383004  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  CAS-BOT-BC136478  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  UCSB51226  Cystopteris fragilis Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake, Trinity Mountains 2438 Comment
  CAS-BOT-BC192261  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  POM211405  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  JEPS83996  Danthonia intermedia L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6358 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  UCD168826  Darlingtonia californica Barry Rice 2015-9-6 BR 150903 Siskiyou East of Caldwell Fen. 2025 Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC420662  Darmera peltata L. E. Smith 1942-5-13 155 Siskiyou Dunsmuir Comment
  CHSC99703  Dasiphora fruticosa L. P. Janeway 2008-7-23 9464 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; Tamarack Flat, along an upper southern fork of Parks Creek. Broad meadow, 1774 Comment
  CAS-BOT-BC9048  Delphinium decorum subsp. tracyi Harley Pierce Chandler 1901-6-1 1589 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  POM266019  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  HSC61772  Delphinium glaucum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC9889  Delphinium nudicaule Elmer Ivan Applegate 1895-5-29 10 a Siskiyou Sisson Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC27303  Delphinium nuttallianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5695 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  POM207073  Deschampsia cespitosa subsp. cespitosa Th. Holm 1903-9-6 3798 Siskiyou Mt Eddy Comment
  UC1949313  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1900-7-14 9320 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
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  HSC30519  Deschampsia elongata Frederick W. Oettinger, R. W. Thorne 1969-8-5 1190 Siskiyou Marble Mountain Wilderness Area: NW side of English Peak. 1951 Comment
  RSA238402  Deschampsia elongata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1190 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD63489  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3435 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  HSC6710  Descurainia longipedicellata R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, Lava Reef burn near NW dump 1220 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, 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
  UC165737  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-6-12 895 Siskiyou McAdams Creek Comment
  CAS-BOT-BC43524  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  CAS-BOT-BC43522  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  HSC5961  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 453 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291010  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  UC830810  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  CAS-BOT-BC131053  Dimeresia howellii Elmer I. Applegate 1935-6-10 9487 Siskiyou South cinder slope of Caldwell Butte, Lava [Brds] Beds National Monument Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  SBBG24941  Diplacus nanus H. and M. Dearing 1939-7-1 3779 Siskiyou Salmon Mtn 1828 Comment
  SEINET8255122  Diplacus nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne of Weed along Hwy 97, nw side of road. 1150 Comment
  JEPS124618 Image available Dipsacus fullonum Lynne C. Carter 1967-7-12 100 Siskiyou Town of Mt. Shasta. Near chestnut and East Alma Streets. Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  UC1188734  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou about 300 ft off Highway 99 (just n of the bridge over the Sacramento River, at the n end of Lake Shasta (Antler Resort area)); Lake Shasta, Antler Resort Area 396 Comment
  HSC90900  Draba aureola Jennifer Whipple 1976-7-25 1580 Siskiyou N face of Mt. Eddy 2500 Comment
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Jul 7 2020
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC144190  Draperia systyla A. A. Heller 1905-6-5 7966 Siskiyou Near Shasta Springs Comment
  UC880657  Draperia systyla Alice Eastwood 1912-7-23 1347 Siskiyou Cantara Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  CAS-BOT-BC158414  Drymocallis pseudorupestris var. saxicola Alice Eastwood 1912-8-30 2026 Siskiyou Mount Eddy Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  HSC65132  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4413 Siskiyou Along Klamath River. Comment
  JEPS107386  Eleocharis parishii Lowell Ahart, John Dittes 2005-6-10 12096 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
  CHSC106361  Eleocharis rostellata Lowell Ahart; John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS100758  Elodea canadensis Dean W. Taylor 1999-8-12 17346 Siskiyou Blue Pond, Quartz Valley (ca. 1 mile North of Mugginsville) 853 Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC67788  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3754 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. Comment
  SEINET3379090  Elymus multisetus G. D. Butler 1910-1 1412 Siskiyou Yreka. Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CHSC106263  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-7-30 16956 Siskiyou About 30 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  POM248135  Epilobium anagallidifolium W. Bridge Cooke 1939-7-26 13747 Siskiyou Mount Shasta: Spring on the west side of the wide draw above Panther Creek Meadows 2744 Comment
  CAS-BOT-BC94895  Epilobium angustifolium R. C. Wenk 2006-9-2 547 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC67811  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-21 3833 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA15686  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1066 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  HSC49651  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-8-7 4543 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  POM259609  Epilobium clavatum J. T. Howell 1939-8-8 15180 Siskiyou Marble Mountains: Black Mountain. Comment
  RSA755162  Epilobium glaberrimum Robert F. Thorne, Fred Oettinger 1969-8-10 38966 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237398  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC91965  Epilobium hallianum Jennifer Whipple 1976-7-2 1280 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM251082  Epilobium hallianum W. Bridge Cooke 1938-7-15 11208 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  SEINET12195418  Epilobium siskiyouense Unknown 1986-1 60353 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt., upper slopes of Hello C[an]y[o]n 1829 Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC399181  Equisetum hyemale subsp. affine Geo. D. Butler 1908-8-2 251 Siskiyou Shackleford Creek Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  HSC69702  Eremogone congesta Maralyn A. Renner 1980-6-26 1264 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain 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-BC286708  Ericameria bloomeri L. R. Abrams 1922-8-7 9915 Siskiyou One mile south of Weed 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
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  CAS-BOT-BC287502  Ericameria greenei E. B. Copeland 1903-9-8 3868 Siskiyou Mt Eddy 1767 Comment
  HSC24683  Ericameria greenei J. O. Sawyer 1969-9-11 2001 Siskiyou On E-facing slope above Duck Lake Creek 1905 Comment
  UC1408924  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC205565  Ericameria nauseosa var. oreophila H. M. Hall 1919-10-3 Siskiyou Shasta Valley Comment
  SEINET8079148 Image available Ericameria nauseosa var. oreophila G. D. Butler 1910-8-15 1739 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299472  Ericameria nauseosa var. speciosa Gilbert J. Muth 1969-8-10 1347 Siskiyou Ridge west of Boulder Peak 2316 Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  UC618706  Ericameria nauseosa var. speciosa unknown 1938-8-5 11451 Siskiyou near MacBride Springs; Mount Shasta, Diller Canyon 1524 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  UC303534  Ericameria parryi var. latior unknown 1903-9-9 5152 Siskiyou Sisson Comment
  CAS-BOT-BC294406  Ericameria parryi var. latior A. A. Heller 1925-7-21 13898 Siskiyou At Spring Hill on the Pacific highway near the town of Mt. Shasta Comment
  JEPS81787  Erigeron aliceae Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6894 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UCD131603  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC61778  Erigeron aliceae Ruby Van Deventer Jul 1959 Siskiyou Poker Flat 1585 Comment
  UC1333338  Erigeron aliceae Dorothy Parker 1968-7-18 1024 Siskiyou Salmon Cut Siskiyou Mountains, Salmon Cut 1828 Comment
  CAS-BOT-BC58397  Erigeron cervinus R. C. Wenk 2006-9-2 546 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  CAS-BOT-BC297108  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  UC904778  Erigeron filifolius W. Bridge Cooke 1949-8-26 25680 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  UC896067  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  CAS-BOT-BC295393  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  HSC30278  Erigeron inornatus var. inornatus William J. Ferlatte 1971-9-19 1386 Siskiyou N flank of Caribou Mtn. 1829 Comment
  SEINET11859479  Erigeron inornatus var. inornatus Unknown 1953-1 123 Siskiyou Blue Point, Scott Mountain Public Campground, Klamath National Forest, Scott Mountains 1631 Comment
  CAS-BOT-BC295457  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  HSC74916  Erigeron klamathensis J. P. Smith, Jennifer Whipple 1978-7-2 9969 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  HSC92788  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-9 1359 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  HSC29865  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19538 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  HSC68087  Erigeron philadelphicus J. P. Smith, Steve Selva 1970-6-16 4040 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UCD119247  Eriodictyon californicum K. L. Chambers 1967-6-22 2865 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass. 1097 Comment
  CHSC67579  Eriogonum congdonii James D. Jokerst 1992-7-30 3433 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  HSC40750  Eriogonum congdonii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn. 2188 Comment
  JEPS105113  Eriogonum congdonii Dean W. Taylor 1993-7-30 13989 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC1475701  Eriogonum congdonii Clifton and Ground 1978-7-2 1800 Siskiyou near summit (close to town of Callahan); China Mt. quadrangle, Scott Mountain 1704 Comment
  UC1198072  Eriogonum elatum Joseph P. Tracy 1949-9-16 18561 Siskiyou 1 mi e Etna; Scott Valley 883 Comment
  UCR37557  Eriogonum elatum L. P. Janeway 1983-9-22 688 Siskiyou Ridge NW of Poker Flat (the Siskiyou creast) 1585 Comment
  CAS-BOT-BC255730  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Marble Mts., Klamath Nat'l Forest 1828 Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  HSC72370  Eriogonum luteolum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8979 Siskiyou 1/5 mi. W of Hwy. 3 on Road 8 671 Comment
  CAS-BOT-BC419707  Eriogonum marifolium Twyla Miller 2012-8-6 s.n. Siskiyou Mt. Shasta; adjacent to Everitt Memorial Highway near Panther Meadow Campground. Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  RSA11907  Eriogonum marifolium Elmer I. Applegate 1923-8-20 3902 Siskiyou Medicine Lake, west side 1982 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  UCD77665  Eriogonum marifolium Robert E. Preston 2002-7-12 1911 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  HSC12265  Eriogonum marifolium Richard Spjut 1970-7-22 870 Siskiyou N Warner Mtns. on Mt. Shasta by ski lodge 2591 Comment
  CAS-BOT-BC263182  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC271026  Eriogonum nudum var. deductum Isabelle C. Kimber 1934-6-9 3 Siskiyou Mt. Shasta 1219 Comment
  UC466019  Eriogonum nudum var. nudum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC689  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-23 1113 Siskiyou Along S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC27243  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1971-9-18 4817 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC375313  Eriogonum nudum var. pubiflorum Geo. D. Butler 1908-7-5 213 Siskiyou near Yreka Comment
  CAS-BOT-BC272462  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1923-9-6 3943 Siskiyou Klamath River, about 20 miles below mouth of Shasta River Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  SD75847  Eriogonum nudum var. pubiflorum Darley F. Howe 1969-8-8 4673 Siskiyou 4.2 miles south of Yreka 822 Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  CHSC34102  Eriogonum siskiyouense J. D. Jokerst; M. D. Huffine 1981-9-8 1463 Siskiyou E of and adjacent to rd. 1249 Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA423132  Eriogonum sphaerocephalum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  UC164466  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler May 10 1909-Jun 6 1909 721 Siskiyou Yreka Comment
  RSA60792  Eriogonum strictum subsp. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley. 1154 Comment
  CAS-BOT-BC262757  Eriogonum strictum var. anserinum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley 1153 Comment
  CAS-BOT-BC263393  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou Near Yreka Comment
  HSC69141  Eriogonum umbellatum Maralyn A. Renner 1980-8-8 2476 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SBBG1645  Eriogonum umbellatum H. and M. Dearing 1939-7-1 3783 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  HSC32766  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Marble Mtn. Wilderness Area, steep S side of David Mtn. S of Charmaine Lake, near ridge top 2043 Comment
  UC1409204  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou ridge s English Peak Lookout; Salmon Mountains, Marble Mountain Wilderness 2225 Comment
  UC637042  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou summit of Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  UC849386  Eriogonum umbellatum var. dumosum Alice Eastwood 1921-7-25 10802 Siskiyou Pilgrim Creek nursery Pilgrim Creek Comment
  UC849589  Eriogonum umbellatum var. dumosum A. A. Heller 1938-7-13 15271 Siskiyou just s Bray 1402 Comment
  CAS-BOT-BC268153  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  HSC43431  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-24 1552 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  JEPS84201  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6504 Siskiyou e Condrey Mt. (slopes); Alex Hole 1880 Comment
  RSA420576  Eriogonum umbellatum var. nelsoniorum Louis C. Wheeler 1934-7-3 2846 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 1768 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  POM165270  Eriogonum umbellatum var. polyanthum W. A. Setchell, C. Dobie 1902-07 4113 Siskiyou Session Mt. Shasta. Comment
  SD23789  Eriogonum umbellatum var. polyanthum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC262181  Eriogonum umbellatum var. versicolor J. Sawyer; J. Cole 1980-7-20 3793 Siskiyou East side of Grouse Hill Comment
  CAS-BOT-BC262371  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1937-6-25 5023 Siskiyou Callahan Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  SEINET10919980  Eriophyllum lanatum Billy Joe Cox 1971-6-9 Cox 3200 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposing lava, sandy, on slight S-E facing slope. 1250 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  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
  UC507117  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 85 Siskiyou 9 m n Weed Comment
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  POM214005  Eriophyllum lanatum var. grandiflorum Isabelle C. Kimber 1934-6-9 26 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  OBI55542  Eriophyllum lanatum var. integrifolium David J. Keil, Kathleen Keil 1992-7-24 23567 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CAS-BOT-BC301702  Eriophyllum lanatum var. lanceolatum Alice Eastwood 1922-10-18 11534 Siskiyou Shasta Springs Comment
  POM30095  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-12 298 Siskiyou Humbug Mountain. 1220 Comment
  RSA240055  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1414 Siskiyou Pierce Draw, Horserange Lake Trail. Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1738 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  RSA530364  Erysimum capitatum var. capitatum N. G. Sugihara 1977-5-28 77 Siskiyou 0.3 mile towards Sawyers Bar from Hwy 96. 1067 Comment
  RSA238397  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-14 271 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  HSC19561  Erysimum perenne J. O. Sawyer 1969-7-18 1156 Siskiyou E of Waterdog Lake 2012 Comment
  HSC68522  Erysimum perenne Maralyn A. Renner 1980-6-23 993 Siskiyou W Fork Seiad Creek 878 Comment
  UC164327  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  POM266139  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  UC165734  Erythronium grandiflorum Geo. D. Butler 1910-7-9 1715 Siskiyou Marble Mt. 1828 Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  JEPS101309  Eucephalus ledophyllus Dean W. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC310478  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  RSA433517  Euphorbia spathulata W. Bridge Cooke 1940-6-20 15154 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. Comment
  HSC82258  Festuca californica Thomas W. Nelson, Jane P. Nelson 1980-7-20 6173 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC682121  Festuca californica G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3266 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  CAS-BOT-BC283178  Festuca californica subsp. californica Clarence R. Quick 1959-6-19 59 -05 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC283179  Festuca californica subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC278727  Festuca idahoensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  HSC76960  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCSC000033  Festuca idahoensis H. S. Yates 1936-6-21 5826 Siskiyou North base of Wintoon Butte 1219 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CAS-BOT-BC278917  Festuca ovina C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  UC197192  Festuca roemeri Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  UC593532  Festuca roemeri E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1910 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UCD66273  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3431 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC133121  Fragaria L. B. Kildale 1930-6-1 9855 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  HSC97  Fragaria vesca William J. Ferlatte 1966-6-22 110 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC437077  Fragaria vesca subsp. bracteata G. P. Rixford No date on label. s.n. Siskiyou Hilt Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  HSC48343  Fragaria virginiana Maralyn O'Meara 1974-5-25 416 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  HSC26240  Frangula californica J. P. Smith, J. O. Sawyer 1972-9-13 5791 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
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Sep 14 2016
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  JEPS116616  Frangula rubra subsp. rubra Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Hotlum Fire area burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1090 Comment
  UCD121439  Frasera albicaulis var. nitida J. P. Smith; J. O. Sawyer 1972-6-30 5638 Siskiyou Jct. of French Creek and Sugar Creek road, 1/2 mile west of Parrott Mill Road. 1249 Comment
  HSC16194  Fraxinus latifolia L. C. Wheeler 1934-9-15 3262 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  UC164252  Fritillaria affinis Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  CAS-BOT-BC506156  Fritillaria micrantha D. E. Breedlove 1962-6-11 3366 -A Siskiyou Along State Highway 89, 8.0 miles east of McCloud, Cascade Mountains 1127 Comment
  HSC90036  Fritillaria pudica Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 32 Siskiyou E side of Hwy. 3, 8 mi. N of Scott River Ranger Station 1159 Comment
  POM273477  Fritillaria pudica Lyman Benson 1929-3-26 1072 Siskiyou Yreka Comment
  CAS-BOT-BC504472  Fritillaria recurva John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53391 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on raod to Fort Jones 1249 Comment
  JEPS6508  Galium bifolium W. L. Jepson 1937-7-30 18553 Siskiyou Poker Flat Indian Creek 1584 Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. Comment
  CAS-BOT-BC182270  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1066 Comment
  JEPS66743  Garrya fremontii W. L. Jepson 1902-7-22 2087 Siskiyou Yocumville to Indian Bar Comment
  POM208314  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mountains. 1067 Comment
  RSA44059  Garrya fremontii W. Bridge Cooke 1941-6-11 16031 Siskiyou Along the Castle Lake Road. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC68456  Gaultheria ovatifolia Maralyn A. Renner 1980-7-4 1441 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA238356  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Along the e. shore of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC58940  Gaultheria shallon Elmer I. Applegate 1930-8-11 6601 Siskiyou No-see-'em Camp, Cook and Greene Trail, siskiyou Mountains, Applegate River watershed. Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  POM355373  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  SD88389  Gayophytum diffusum subsp. parviflorum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 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
  POM355343  Gayophytum eriospermum E. Yale Dawson 1948-7-16 5097 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  JEPS27539  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14437 Siskiyou sw slope half-way to Horse Camp; Region of the Upper Sacramento, Mt. Shasta Comment
  UC1112874  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou e slope of mt. ca 1 mi w Military Pass Rd. (along Rd. to Brewer's Cr.); Mt. Shasta Comment
  SBBG21797  Gayophytum humile D. Myrick 1964-7-25 955 Siskiyou Shasta Ski Bowl Hwy 1219 Comment
  RSA600377  Gayophytum humile Louis C. Wheeler 1935-6-27 3594 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  UC1191760  Gayophytum racemosum Herbert L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake Comment
  JEPS47720  Gayophytum ramosissimum W. B. and V. G. Cooke 1966-7-16 37219 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  SD76147  Gentiana calycosa Helen Witham 1969-10-4 546 Siskiyou Kangaroo Lake, Granite Cliffs, west face Comment
  UC70426  Gentiana calycosa Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  SEINET4853845  Gentiana plurisetosa George D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  UC185731  Gentianella amarella subsp. acuta Copeland 1903-9-6 3849 Siskiyou Mt. Eddy Comment
  UC1045243  Gentianopsis simplex W. Bridge Cooke 1940-8-5 15412 Siskiyou Mt. Shasta, Wagon Camp Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC61084  Geranium oreganum W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC618838  Geum macrophyllum W. Bridge Cooke 1938-7-1 11119 Siskiyou Mount Shasta, Bear Springs Bear Springs; Mount Shasta, Bear Springs 1524 Comment
  CAS-BOT-BC459621  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  HSC68523  Gilia capitata Maralyn A. Renner 1980-6-23 988 Siskiyou W Fork Seiad Creek 878 Comment
  POM65721  Gilia capitata Geo D. Butler 1910-5-8 1311 Siskiyou Near Yreka. Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  CAS-BOT-BC283868  Glyceria borealis Alice Eastwood 1912-7-25 1285 Siskiyou Sisson Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC89802  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC144171  Gnaphalium palustre Copeland 1903-10-5 3846 Siskiyou Igerna Comment
  CDA6064  Gnaphalium stramineum T. C. Fuller 1962-8-3 9502 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  OBI55543  Grindelia nana David J. Keil, Kathleen Keil 1992-7-24 23568 Siskiyou E of McCloud along hwy 89, 18.9 mi W of Shasta County line. Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  HSC37566  Hackelia californica A. M. Montalvo, Ackerman 1975-7-19 588 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  CAS-BOT-BC231152  Hackelia cusickii Gary Schoolcraft 1985-6-18 1432 Siskiyou Mahogany Mountains 1584 Comment
  UC1540011  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of the road to Devil's Gate; Lava Beds National Monument 1310 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  UC1560415  Hackelia setosa E. Joyal and D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp 1524 Comment
  RSA644033  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  UC726459  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's Prairie Comment
  CAS-BOT-BC504611  Hastingsia alba W. R. Dudley 1903-8-3 s.n. Siskiyou By upper Sacramento River, near Sissons Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  RSA237954  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1890 Comment
  HSC26109  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1972-9-12 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS16948  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou on the ridge s Mount Eddy 2286 Comment
  POM211741  Hazardia whitneyi var. discoidea L. C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  CDA6450  Helenium autumnale T. C. Fuller 1958-9-11 1218 -58 Siskiyou 5 miles south of Fort Jones, Scott Valley. 0 Comment
  CHSC351  Helenium bigelovii V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC772  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Yellow Rose Mine 1982 Comment
  HSC92209  Helenium bigelovii Jennifer Whipple 1976-7-24 1565 Siskiyou SW of Dobkins Lake along drainage into the lakes 2195 Comment
  SD76158  Helenium bigelovii Helen V. Witham 1969-10-9 557 Siskiyou Scott Mountains: Kangaroo Lake, edge of bog. 2100 Comment
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Jun 3 2008
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UC29204  Helianthella californica subsp. shastensis Lauramay T. Dempster 1961-7-3 1869 Siskiyou w face of mountain se Callahan; Scott Mountain Comment
  HSC5782  Helianthus annuus D. M. Thomson 1965-8-4 162 Siskiyou Califrornia Lava Beds National Monument; Near Canbys Cross Comment
  CAS-BOT-BC305579  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC313468  Hemizonella minima Alice Eastwood 1912-7-17 1210 Siskiyou Sisson Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  UC1190166  Heracleum lanatum Ira L. Wiggins 1955-7-26 13512 Siskiyou just above mouth of Blind Horse creek S. Fork Salmon R. 886 Comment
  JEPS1675  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  UCD110544  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou Scott Mountain grade on road from Callahan to summit of mountain. Comment
  CAS-BOT-BC311088  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC311095  Heterotheca oregona var. rudis A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  RSA183747  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Near Marble Mountain Lookout. Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC94870  Heuchera merriamii R. C. Wenk 2006-9-2 555 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  UC858017  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  UC165927  Heuchera micrantha var. macropetala Geo. D. Butler 1908-7-4 216 Siskiyou near mouth Shasta River Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  CAS-BOT-BC424371  Heuchera rubescens Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jayne canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  RSA237435  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou South slope trail 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
  HSC92162  Hieracium bolanderi Jennifer Whipple 1976-7-24 1549 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  RSA237430  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou Next basin east of Salmander Lake Basin, region of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  JEPS36666  Hieracium nudicaule W. L. Jepson 1940-7-1 20086 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  RSA211206  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mountain. 2470 Comment
  HSC39818  Hieracium triste J. O. Sawyer 1969-8-2 1726 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  CAS-BOT-BC320102  Hieracium triste Wm. Bridge Cooke 1938-9-8 11633 Siskiyou Mount Shasta. South Gate Springs. Around the upper ends of Panther and Squaw Creeks Comment
  HSC22097  Holodiscus discolor J. O. Sawyer 1969-8-5 1949 Siskiyou Along S Sugar Creek 1921 Comment
  HSC40613  Holodiscus discolor J. P. Smith, Steve Selva 1970-6-17 4094 Siskiyou 6 mi. E of Somes Bar 259 Comment
  RSA0021610  Holodiscus discolor James R. Shevock 2012-7-19 40512 Siskiyou Along forest road 48N20, 5.8 miles north of Seiad Valley above the Klamath River toward Cook and Green Pass. 716 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  CAS-BOT-BC150145  Holodiscus microphyllus var. glabrescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  CHSC88126  Hordeum brachyantherum subsp. brachyantherum Jenny Marr 1993-7-1 136 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA2203  Hordeum murinum subsp. leporinum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2781 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC143958  Horkelia daucifolia Lincoln Constance; Reed C. Rollins 1942-5-13 2913 Siskiyou Scott River 2 miles south of Scott Bar 548 Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UC618833  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-15 11229 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UC1299165  Horkelia tridentata subsp. flavescens Freed W. Hoffman 1948-7-9 2602 Siskiyou Waldo-Happy Camp Rd North Coast Ranges Comment
  UC12375  Horkelia tridentata subsp. tridentata C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC539427  Horkelia tridentata var. tridentata B. Bartholomew; B. Anderson 1988-5-12 4084 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  CAS-BOT-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CAS-BOT-BC142665  Howellanthus dalesianus Dorothy Parker; Wayne Roderick 1967-7-25 s.n. Siskiyou Kangaroo Lake, Scott Mts 1981 Comment
  UC618665  Hulsea nana W. Bridge Cooke 1938-7-28 11363 Siskiyou North Ridges Comment
  JEPS74524  Hydrophyllum occidentale W. J. Ferlatte 1966-6-22 90 Siskiyou South Fork of the Salmon River Trinity Alps (between the campground and Carter's) 1524 Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  HSC41039  Hypericum anagalloides J. O. Sawyer 1969-8-4 1911 Siskiyou N of High Lake 2043 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  SEINET5343937  Hypericum anagalloides G. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC88622  Idahoa scapigera George Dexter Butler 1909-2-1 571 Siskiyou Near Yreka. Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  SEINET10950885  Ipomopsis aggregata subsp. formosissima Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  UCR37902  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Moutian Wilderness area 2134 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  CDA33251  Iris chrysophylla T. C. Fuller 1958-6-18 1817 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  POM168907  Iris macrosiphon H. P. Chandler 1901-06 1570 Siskiyou Near Marble Mtn. 1829 Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  RSA136360  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21801 Siskiyou 1.5 mile east of McCloud, State Highway 89 1006 Comment
  UC166110  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  HSC371  Isoetes bolanderi William J. Ferlatte 1966-8-3 281 Siskiyou Josephine Lake basin 1677 Comment
  UC1408843  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou boreal meadow above Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC72377  Ivesia gordonii var. ursinorum J. P. Smith, L. Barker, J. Cole, Jennifer Whipple 1976-7-28 8958 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  CAS-BOT-BC109976  Juncus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC88379  Juncus balticus Jenny Marr 1993-7-1 184 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  UC842317  Juncus bufonius A. A. Heller 1916-6-20 12411 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC1265336  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou nw side Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  JEPS124474  Juncus effusus subsp. effusus Daniel Slakey 2015-7-14 161 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south of junction with Patricia Ave. Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  POM110932  Juncus mexicanus Geo D. Butler 1910-5-1 1254 Siskiyou Near Yreka. Comment
  CHSC40149  Juncus nevadensis L. P. Janeway 1983-9-11 685 Siskiyou At Poker Flat, on s side of meadow. 1524 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  RSA233689  Juncus nevadensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38954 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  HSC31503  Juniperus communis var. saxatilis Steve Selva, Roger Jensen 1974-8-25 51 Siskiyou Top of ridge S of Little Duck Lake Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  SD112325  Juniperus occidentalis Darley F. Howe 1961-8-3 3129 Siskiyou 56.5 miles east of Happy Camp, north of Klamath River 609 Comment
  UC54251  Juniperus occidentalis H. M. Hall and E. B. Babcock 1903-6-1 4100 Siskiyou head Little Shasta Valley; Mount Shasta, Sheep Rock 1371 Comment
  CAS-BOT-BC81241  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. Siskiyou Between Yreka and Humbug Creek Comment
  HSC31492  Kalmia polifolia Steve Selva, Roger Jensen 1974-8-25 48 Siskiyou W end of Little Duck Lake Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  POM43272  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek. Comment
  RSA293293  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 8.2 miles east of Happy Camp. 400 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  HSC67714  Kelloggia galioides John Palmer 1980-7-24 614 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  UC1125661  Kelloggia galioides L. Whitney 1934-6-28 9 Siskiyou 8 mi s Tennant (on the Stevens Pass road); Dorris Quad. 1706 Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  SACT001423  Koeleria cristata Geo Butler 1910-7-3 Siskiyou Dry land. Comment
  HSC100335  Koeleria macrantha J. P. Smith 2011-7-15 13303 Siskiyou 1427 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  JEPS109402  Lactuca serriola Dean W. Taylor 2004-7-19 19182 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  JEPS39004  Lagophylla ramosissima Geo. D. Butler 1908-6-26 297 Siskiyou near Yreka; Butler's Ranch Comment
  CAS-BOT-BC341705  Lagophylla ramosissima Margaret M. Hanna 1958-6-22 s.n. Siskiyou 18 miles east of Redding Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  JEPS64870  Lathyrus Ruby Van Deventer 1937-7-4 302 Siskiyou road to Poker Flat, near state line 1066 Comment
  HSC73231  Lathyrus polyphyllus Gail Newton 1980-6-20 515 Siskiyou Near Bald Mtn. 1097 Comment
  UC722141  Lathyrus polyphyllus C. L. Hitchcock and J. S. Martin 1939-7-6 5209 Siskiyou on Takilma to Happy Camp road 1676 Comment
  HSC61500  Lathyrus tracyi Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA121789  Layia glandulosa subsp. glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 0.5 mile SSW of Hospital Rock. Modoc Lava Beds National Monument. 1242 Comment
  SDSU1152  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou Bank of Klamouth River, 58.8 miles east of Happy Camp on #96. 610 Comment
  CHSC71567  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  RSA45316  Lepidium campestre Dorothy Parker 1946-05 s.n. Siskiyou Plowman s Valley. 1128 Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CHSC72230  Lepidium latifolium Vernon H. Oswald; Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Hwy. 161v adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. Roadsides and marsh edges. 1243 Comment
  HSC61924  Leptosiphon harknessii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  HSC26903  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1971-9-18 4796 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  RSA507783  Lessingia nemaclada J. C. Semple, S. Heard 1986-8-16 8467 Siskiyou CA-96, 1.6 km west of Horse Creek, before CA-3 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC508375  Leucocrinum montanum Elmer I. Applegate 1935-6-6 9362 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CDA39356  Leucocrinum montanum D. H. Shaw 1979-5-9 s.n. Siskiyou Vicinity of Butte Creek, ca. 3.5 km west of Bray. 0 Comment
  CHSC96439  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 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
  CDA23972  Lewisia cotyledon D. L. Janssen, F. D. Horn 1978-5-19 Siskiyou Scott Bar Mountain Lookout, approximately 20 km west of Fort Jones. 0 Comment
  SBBG124420  Lewisia cotyledon C. B. Hardham 1961-7-1 8025 Siskiyou near Mud Springs, Siskiyou Mtns 1981 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine 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
  RSA65683  Lewisia leeana Dorothy Tebbe 1929-7-22 10902 Siskiyou Rocky summits just above Crater Lake, Mt. Eddy. 1982 Comment
  UC1949212  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou W of small streamlet; N-facing slope; N side of ridge W of Parks Creek trailhead (Pacific Crest Trail crossing of Rt 17); ca 8 airmiles SW of Weed Comment
  RSA464484  Lewisia rediviva Christopher Davidson 1975-6-5 2660 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  CAS-BOT-BC272172  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath Forest 518 Comment
  SEINET10531246  Libocedrus decurrens H. E. Brown 1897-7-1 Brown 507 Siskiyou North side Mt. Shasta. 5000-9000 feet. 1500 Comment
  SEINET10531252  Libocedrus decurrens Edwin B. Copel 1903-8-13 Copeland 3913 Siskiyou Sisson. On Big Spring Creek. 3500 feet. 1050 Comment
  HSC22238  Ligusticum californicum J. O. Sawyer 1969-8-5 1749 Siskiyou W of Little Duck Lake 2073 Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC77243  Ligusticum californicum L. P. Janeway 1983-8-16 541 Siskiyou Poker Flat 1524 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  HSC96433  Ligusticum grayi Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 482 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS74145  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mountain Wilderness Area Haypress Meadows; , Haypress Meadows 1463 Comment
  UC1409812  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mt. Wilderness Area, Haypress Meadows 1463 Comment
  UCR51776  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 03645 Siskiyou Shasta River. 2 mi. NW Montague 765 Comment
  HSC22274  Lilium kelleyanum J. O. Sawyer 1969-7-26 1580 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  CAS-BOT-BC509380  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  CAS-BOT-BC130815  Lilium pardalinum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC130821  Lilium pardalinum Lillian Mott 1977-7-4 27 LM76 Siskiyou Between Seiad Valley and Cook and Green Pass, at Horse Tail Falls 1219 Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  POM170288  Lilium pardalinum subsp. wigginsii Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
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Nov 25 2011
  JEPS124666 Image available Lilium parvum P. L. Billings 1965-7-12 98 Siskiyou Dead Horse Creek Canyon Road and Hwy 89. Intersection on stream bank. 3 miles from Siskiyou Co - Lassen Co line. Comment
  CAS-BOT-BC132995  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers bar on rd. to Cecilville 1005 Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  UC454445  Lilium washingtonianum subsp. washingtonianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC133093  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  JEPS107441  Linanthus bolanderi Lowell Ahart, John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SEINET14405890  Linanthus pungens G. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek 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-BC240383  Linnaea borealis subsp. longiflora Alice Eastwood 1912-7-15 1106 Siskiyou Mc Cloud [McCloud] Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  HSC15812  Linum lewisii R. C. Wunner 1965-6-10 149 Siskiyou Lava Beds National Monument, Caldwell Butte, below Caldwell Minor on E side. 1433 Comment
  HSC29310  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Marble Mtn. Wilderness Area, W side of Hancock Lake just N of the campsite area 1936 Comment
  HSC63254  Linum lewisii M. A. Baker 1979-7-30 1076 Siskiyou Marble Gap. 2280 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  CAS-BOT-BC36008  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1912-8-28 1949 Siskiyou Cantara Comment
  CAS-BOT-BC36529  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CDA40611  Lithospermum ruderale Vernon H. Oswald & Lowell Ahart 1998-6-11 9176 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET10591996  Lolium perenne A. Arthur Heller 1921-7-5 Heller 13564 Siskiyou Moist soil at Abrams Lake, near the town of Mt. Shasta, in the yellow pine belt. Comment
  HSC76705  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-14 224 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  JEPS95665  Lomatium engelmannii Vernon H. Oswald and L. Ahart 1999-7-5 9819 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC18971  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-6-28 6148 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  OBI8923  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou On Montague Rd. 5 mi W of Mt Hebron town 1554 Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  UC1211914  Lomatium nudicaule Roy L. Taylor 1960-6-12 4439 Siskiyou N of Yreka (above Klamath River; 1 mi W of junction of Klamath River Rd (Hwy 96) and Hwy 99) Comment
  UC165257  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou hills near Yreka Comment
  CAS-BOT-BC217790  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi. N. of Weed 1066 Comment
  UC572974  Lomatium triternatum var. triternatum Louis C. Wheeler 1935-6-9 3555 Siskiyou Yreka Creek 1219 Comment
  POM78310  Lomatium vaginatum Geo. D. Butler 1910-4-21 1207 Siskiyou Oro Fino Comment
  UC164429  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain 1219 Comment
  UC796489  Lonicera ciliosa Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11731 Siskiyou W of Callahan (French Creek Logging Road) 1066 Comment
  RSA238538  Lonicera conjugialis Frederick W. Oettinger 1969-8-7 1275 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC1608337  Lonicera conjugialis J. Kierstead 1991-5-8 90 -58 Siskiyou Lakin Dam on the McCloud River Shasta-Trinity National Forests, McCloud Ranger Dist. 1097 Comment
  UCD137307  Lonicera conjugialis J. M. Tucker 1963-7-5 3703 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. 1615 Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  JEPS95831  Lotus crassifolius var. crassifolius Vernon H. Oswald and L. Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate. Plant to ca. 8 dm tall at roadside. 1508 Comment
  CDA27212  Lotus humistratus D. Osterhandt, Don Shaw 1978-4-11 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  JEPS55721  Lotus oblongifolius var. oblongifolius W. L. Jepson 1894-1 13791 Siskiyou Sisson Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC618759  Lotus purshianus var. purshianus unknown 1938-7-1 11131 Siskiyou above Bear Spring; Mount Shasta 1676 Comment
  HSC4894  Luetkea pectinata J. O. Sawyer 1968-6-23 625 Siskiyou Along trail from Brown's Valley to Caribou basin including areas around Snowslide Lake and Caribou Basin 1829 Comment
  HSC62027  Luetkea pectinata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak Comment
  UC166114  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou summit above Cold Spring; West Fork Wooley Creek Comment
  UC922372  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-29 5895 Siskiyou near Hidden Lake (above Sky High Lake); Marble Mountains, Sky High Valley 1859 Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  RSA119496  Lupinus C. P. Smith 1947-5-13 47273 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  SBBG3501  Lupinus albicaulis H. and M. Dearing 1939-6-30 3763 Siskiyou Callahan-Trinity Alps Rd Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  CAS-BOT-BC195955  Lupinus albifrons var. albifrons C. F. Rose 1931-5-18 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC196329  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49134 Siskiyou Klamath River Bridge, 1.5 miles south - Shasta River Canyon Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. Comment
  HSC43859  Lupinus bicolor Maralyn O'Meara 1974-5-25 369 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC196692  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC215104  Lupinus croceus Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 4 miles up Scott Mountain, above Callahan Comment
  CAS-BOT-BC215178  Lupinus croceus Wm. Bridge Cooke 1940-6-6 15079 Siskiyou Roadside on the way to Castle Lake 1524 Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  CHSC69477  Lupinus croceus var. croceus James D. Jokerst 1992-7-30 3423 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  POM27188  Lupinus klamathensis Geo. D. Butler 1910-4-19 1201 Siskiyou Dry hills, Yreka. Comment
  SEINET10485431  Lupinus klamathensis Charles Piper Smith 1947-5-6 Smith 47207 Siskiyou Hornbrook, hwy 99. Roadside bank. Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC162166  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-5 374 Siskiyou Woolly Creek above Cold Spring; above Cold Spring, Woolly Creek Comment
  SBBG8982  Lupinus lepidus var. sellulus H. and M. Dearing 1939-6-5 3552 Siskiyou McCloud 1066 Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  RSA331948  Lupinus obtusilobus Dave Kelly, Walter Wisura, A. Kelly 1985-7-31 4087 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  RSA414231  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-7-24 9247 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  RSA215621  Lupinus sellulus subsp. sellulus Gilbert Muth 1969-8-7 1241 Siskiyou Boulder Peak 2530 Comment
  SEINET10490227  Lupinus sellulus var. artulus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20642 Siskiyou Vicinity of the campground on the salmon river, 8.3 mi w of cecilville. Yellow Pine forest with douglas fir. Area with mostly metamorphic rocks. Area very Rocky and gravelly. Abnormal. Comment
  SEINET10490873  Lupinus sellulus var. sellulus David B. Dunn 1971-8-15 Dunn 18140 Siskiyou 1/2 mi e of mccloud ranger station on hwy. 89. Yellow pine forest. Comment
  HSC14882  Lupinus subvexus var. subvexus R. C. Wunner 1965-7-1 323 Siskiyou Lava Beds N.M., Top of Gillem's Bluff 1372 Comment
  JEPS30463  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (in Flint Valley); Flint Valley 1432 Comment
  NY16052  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson 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
  RSA605980  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS96983  Luzula parviflora Dean W. Taylor 1999-8-12 17304 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  HSC30723  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Marble Mtn. Wilderness Area, stream running from Tom's Upper Pond to Tom's Lower Pond 2012 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
  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
  UC165406  Madia citriodora Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  RSA94363  Madia citriodora J. T. Howell 1934-7-4 12410 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  CAS-BOT-BC334666  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  POM362233  Madia glomerata Donald Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  SEINET11601402 Image available Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC343422  Madia gracilis Elmer I. Applegate 1923-9-7 3954 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  HSC61171  Maianthemum racemosum subsp. amplexicaule Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC512758  Maianthemum racemosum subsp. amplexicaule H. E. Brown 1897-7-1 447 Siskiyou North side of Mount Shasta 2743 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  UC920138  Malacothrix floccifera L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1930-7-15 3355 Siskiyou between Fort Jones and Etna; Scott Valley, Scott River 914 Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  UC865633  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC16105  Medicago lupulina T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC31095  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou Marble Mtn. Wilderness Area, N side of Tom Lake Basin. 1951 Comment
  UC1132220  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mi sw Signal Butte 1341 Comment
  CAS-BOT-BC271215  Melica bulbosa K. T. Stillman 1976-6-15 68 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  JEPS63468  Mentha canadensis Geo. D. Butler 1908-8-12 170 Siskiyou L. Eastlick's ranch Yreka (Yreka) Comment
  CAS-BOT-BC428977  Micranthes ferruginea K. T. Stillman 1976-7-31 351 Siskiyou Marble Mountain Wilderness Area. East-facing ridge north from Black Mt. towards Jump off point. 2103 Comment
  CAS-BOT-BC429150  Micranthes odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou Western Siskiyou County, Marble Mountains. Hammond's Stock-raising Camp, on Kelsey Creek, about 8 mi. above Scott River 1524 Comment
  CAS-BOT-BC429258  Micranthes oregana Elmer I. Applegate 1895-5-29 446 Siskiyou Sisson, west base of Mt. Shasta Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  CAS-BOT-BC429259  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou At Sisson Comment
  CAS-BOT-BC322666  Microseris laciniata Geo. D. Butler 1909-6-13 957 Siskiyou Oro Fino Comment
  HSC68001  Microseris nutans J. P. Smith, Steve Selva 1970-6-16 4006 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  HSC39747  Microsteris gracilis J. O. Sawyer 1970-4-4 2088 Siskiyou Along Sugar Creek 823 Comment
  JEPS80485  Mimulus breweri W. B. and V. G. Cooke 1970-7-21 42678 Siskiyou Horse Camp Mt. Shasta Comment
  RSA408132  Mimulus breweri Louis C. Wheeler 1935-7-26 3698 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  JEPS2965  Mimulus layneae W. L. Jepson 1940-7-1 20078 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  POM43851  Mimulus lewisii Geo. D. Butler 1910-7-13 1775 Siskiyou Wooly Creek. Comment
  RSA434639  Mimulus lewisii M. B. Dunkle 1945-8-2 9278 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC435  Mimulus moschatus William J. Ferlatte 1967-7-26 736 Siskiyou Caribou Basin 1982 Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC29405  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2049 Comment
  RSA237537  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2043 Comment
  UC886325  Mimulus primuloides subsp. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou near head Wagon Creek Canyon; Mt. Eddy 2590 Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  SEINET5338740  Minuartia nuttallii G. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  SEINET4853160  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  CAS-BOT-BC229608  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  HSC61892  Mitella breweri Al Hobart 1920-6-13 Siskiyou Poker Flat 1585 Comment
  UC1483460  Mitella caulescens Maralyn A. Renner 1980-7-14 1721 Siskiyou headwaters of Etna Creek Klamath National Forest, Etna Quad. (near road at switchback) 1706 Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA78671  Mitella diversifolia P. A. Munz 1952-7-1 17864 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC435053  Mollugo verticillata Doris K. Kildale 1928-7-25 5883 Siskiyou Klamath River at Mack's Creek near Hamburg 457 Comment
  HSC78226  Monardella glauca L. P. Janeway 1983-8-28 631 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  HSC76693  Monardella odoratissima K. T. Stillman 1976-8-7 208 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCR47903  Monardella odoratissima subsp. glauca 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-BC220365  Monardella odoratissima subsp. pallida Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC2035863  Monardella odoratissima subsp. pallida L. Ellison 1928-9-11 515 Siskiyou Mt. Shasta 2590 Comment
  SEINET844345  Monardella purpurea J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area, California 2133 Comment
  JEPS73668  Monardella siskiyouensis W. L. Jepson 1940-6-22 19974 Siskiyou near Hornbrook; Klamath River 670 Comment
  SEINET10582377  Monardella siskiyouensis A. Graff 1993-7-24 Graff 354 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  RSA0034441  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  SEINET6652812 Image available Monotropa hypopitys D. V. Hemphill 1974-1 Siskiyou Marble Mountain Wilderness Area; ca. 1/4 mi north of Jawbone Camp 1554 Comment
  CHSC88108  Montia chamissoi Jenny Marr 1993-7-1 118 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS43184  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  UC852057  Montia fontana Louis C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains, Seiad, Klamath River Klamath River; Siskiyou Mountains, Seiad, Klamath River 426 Comment
  CAS-BOT-BC540347  Montia parvifolia Dana York 2012-7-20 3123 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  HSC22225  Montia parvifolia J. O. Sawyer 1969-6-13 1103 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  UCD101765  Montia parvifolia J. P. Smith; Steve Selva 1970-6-16 4056 Siskiyou 8 milse west of Etna on road to Sawyers Bar. 1371 Comment
  UC618870  Muhlenbergia jonesii W. Bridge Cooke 1938-7-29 11413 Siskiyou near borders on meadow Mount Shasta, Wagon Camp Comment
  CAS-BOT-BC275171  Muhlenbergia richardsonis G. J. Muth 1969-8-10 1332 Siskiyou Ridge W of Boulder Peak Comment
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 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
  SEINET10497076  Nama lobbii Mary Susan Taylor 1980-8-18 Taylor 3256 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  JEPS70297  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou Woolly Creek (at head of, near lake) Woolly Creek 1676 Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  HSC21266  Nicotiana attenuata R. C. Wunner 1965-8-17 438 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  RSA714941  Nicotiana attenuata M. E. Fishbein, Lane Greer 2006-8-4 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi northeast of Medicine Lake. 1650 Comment
  RSA14376  Nicotiana bigelovii Elmer I. Applegate 1923-9-5 3939 Siskiyou Diablo Spring, Klamath River, 12 mile below mouth of Shasta River. Comment
  CAS-BOT-BC60568  Noccaea fendleri subsp. glauca Alice Eastwood 1912-8-30 2031 Siskiyou Mount Eddy. Comment
  HSC272  Nothochelone nemorosa William J. Ferlatte 1967-8-21 1076 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  UC595100  Nothochelone nemorosa David D. Keck 1938-8-6 4821 Siskiyou Poker Flat, on n slope just se of summit, Siskiyou Mountains Poker Flat; Siskiyou Mountains, Poker Flat 1402 Comment
  POM250708  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just SE of summit. Siskiyou Mts. 1402 Comment
  UC1409397  Nuphar polysepala Frederick W. Oettinger and R. F. Thorne 1969-8-7 1273 Siskiyou e side of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  SEINET10632053  Oenothera Daniel K. Harder 1994-9-29 Harder 2487 Siskiyou Ca. 5 mi. W of Callahan on road to Cecilville in Klamath National Forest along S fork of Scott River. At serpentine outcrops along road. 1140 Comment
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  CDA7582  Onopordum tauricum T. C. Fuller, W. T. Parsons 1960-7-26 4878 Siskiyou F. Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  RSA25794  Opuntia fragilis C. B. Wolf 1941-7-26 11074 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague 884 Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  HSC96878  Oreostemma alpigenum Gordon Leppig 1997-8-23 673 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC68885  Orobanche fasciculata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UCD77891  Orobanche uniflora Robert E. Preston 2002-6-20 1849 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  UC70300  Orthilia secunda Milo S. Baker 1898-8-1 131 Siskiyou on hillside SW of Medecine Lake Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  UCR40028  Orthocarpus copelandii var. copelandii T. Worley, M. Mill, F. Rosenthal 1985-6-1 84 Siskiyou Shasta-Trinity National Forest, Scott Mountain 1829 Comment
  CAS-BOT-BC266621  Orthocarpus cuspidatus Lillian Mott 1976-7-9 51 LM76 Siskiyou Road from Cook and Green Pass to Lily Pad Lake 1828 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC718019  Orthocarpus cuspidatus subsp. copelandii Carl B. Wolf 1934-7-4 5938 Siskiyou 13.5 mi from Horse Creek Bridge (Horse Creek--Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  CAS-BOT-BC94476  Orthocarpus cuspidatus subsp. copelandii R. C. Wenk 2005-7-19 345 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  JEPS124595 Image available Orthocarpus imbricatus Lynne C. Carter 1967-7-12 99 Siskiyou 8 miles N. of Siskiyou-Shasta County line on HWY 89. Comment
  POM229936  Orthocarpus lacerus Louis C. Wheeler 1935-6-27 3611 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  CAS-BOT-BC316756  Packera cana Alice Eastwood 1912-8-30 2013 Siskiyou unspecified Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  UC1234786  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97 8.3 mi n Weed Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  JEPS50863  Parnassia fimbriata Al Hobart 1967-8-8 Siskiyou above Raspberry Lake (Preston Peak, westernmost Siskiyou County); Preston Peak 1584 Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC202860  Paxistima myrsinites Doris K. Kildale 1928-8-18 6448 Siskiyou Head of north fork Salmon River at Finley's Upper Camp Comment
  HSC29145  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou Marble Mtn. Wilderness Area, steep loose talus due W of 'Horse's Hole', a pond above Horse Range Lake 1982 Comment
  RSA12672  Paxistima myrsinites C. B. Wolf 1934-7-6 6023 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 3 2012
  UCD107435  Paxistima myrsinites Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 608 Siskiyou Indian Creek Road, 0.9 mile north of junction with Poker Flat Road. Comment
  UCSB25631  Paxistima myrsinites Favero, R. 1968-5-15 Siskiyou Old Highway 99, 6 miles south of Weed, Cascade Mountains; at base of Black Butte 1188 Comment
  CAS-BOT-BC266634  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CHSC1838  Pedicularis densiflora M. Yoder 1941-6-28 Siskiyou Castle Lake. 1920 Comment
  JEPS3356  Pedicularis racemosa H. W. Furlong Sept., 1901 Siskiyou Summit to Ager 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
  POM126840  Pedicularis semibarbata Milo S. Baker 1898-8-9 482 Siskiyou Medicine Lake. Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  RSA686823  Pellaea breweri M. B. Dunkle 1945-8-7 9335 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  HSC69289  Penstemon anguineus Maralyn A. Renner 1980-7-24 1948 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC922337  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1949-7-28 5873 Siskiyou Sky High Valley Marble Mountains, Sky High Valley 1767 Comment
  UCR30486  Penstemon anguineus John C. Roos 1948-9-1 3945 Siskiyou 10 mi. SW of Etna Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River 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
  POM43273  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou Shackleford Creek. 1829 Comment
  RSA425614  Penstemon azureus Louis C. Wheeler 1934-6-21 2746 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1509 Comment
  CAS-BOT-BC265372  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  RSA238830  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou East of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1936 Comment
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  UC164253  Penstemon deustus var. suffrutescens Geo. D. Butler 1910-5-25 1404 Siskiyou dry land near Yreka; Dry land near Yreka Comment
  UC164358  Penstemon deustus var. suffrutescens Geo. D. Butler 1908-7-12 434 Siskiyou dry hills near Yreka; Dry hills near Yreka Comment
  JEPS11264  Penstemon gracilentus W. L. Jepson 1894-8-4 21431 Siskiyou near Horse Camp (snow line Mount Shasta); Mount Shasta near Horse Camp Comment
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Jan 18 2009
  UC690305  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  NY600747  Penstemon gracilentus D. D. Keck 1938-7-22 11332 Siskiyou Along the Sisson Southern Trail. Canadian Zone. Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  HSC41806  Penstemon laetus subsp. sagittatus Brent Whiteley 1975-6-17 3 Siskiyou Somes Bar area 235 Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  JEPS23804  Penstemon laetus var. sagittatus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7291 Siskiyou Poker Flat 1536 Comment
  RSA715498  Penstemon laetus var. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  UC1874902  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mt Shasta, along E side of US 97 ca 5.1 mi NE of jct. I-5 Bus. 1158 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  POM188516  Penstemon newberryi subsp. newberryi Marcus E. Jones 1931-7-17 28821 Siskiyou Shasta City (Session's). Comment
  JEPS5711  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  LA209543  Penstemon newberryi var. newberryi Wm. Bridge Cooke; 1938-6-17 11010 Siskiyou Mount Shasta, along the Sisson Southern Trail 1584 Comment
  UC696739  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (W flank of Mt. Shasta); Sierra Nevada 1609 Comment
  CHSC31045  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou On ridge s of Castle Lake, above Hearts lake. 1879 Comment
  UC1034002  Penstemon parvulus Francis W. Pennell 1940-7-17 26171 Siskiyou w Etna (northeastern slope Salmon Mountains); , w of Etna 1828 Comment
  HSC19134  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-10 1285 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CHSC57459  Penstemon roezlii L. P. Janeway 1984-6-22 869 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  HSC91117  Penstemon roezlii Jennifer Whipple 1976-7-9 1396 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  SBBG28893  Penstemon roezlii G. D. Butler 1910-6-9 1579 Siskiyou foothills of Goosenest Mtns 1386 Comment
  POM252936  Penstemon shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along US Hwy 97, just south of Bray. 1402 Comment
  RSA114968  Penstemon speciosus E. K. Balls, Lee W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. Comment
  SD60176  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka in the yellow pine belt Comment
  UC1312907  Perideridia leptocarpa L. Constance and T. I. Chuang 1967-7-22 3802 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River 762 Comment
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Mar 2 2015
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  UC1389959  Perideridia parishii subsp. latifolia T. I. Chuang, A. Weston, and I. Fukuda 1963-7-5 5878 Siskiyou headwaters of creek w Russian Peak (near Sawyer's Bar); South Russian Creek 1737 Comment
  SEINET5845188  Peritoma platycarpa G. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  JEPS69763  Phacelia cookei W. B. and V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Rd Mt. Shasta 1524 Comment
  UCD77221  Phacelia cookei Robert E. Preston 1997-6-1 1038 Siskiyou in sandy flats 100 ft n of Hwy 97. 1402 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC77342  Phacelia corymbosa L. P. Janeway 1983-7-4 383 Siskiyou Near top of Little Grayback Mtn. 1860 Comment
  UC1228351  Phacelia corymbosa L. R. Heckard 1956-8-7 826 Siskiyou about 2 mi s railway station (above Sacramento River); Dunsmuir 731 Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  UCR40022  Phacelia greenei C. Houseman, M. A. Strull, L. Linstedt 1984-5-26 68 Siskiyou (none given on label) 701 Comment
  UC1024070  Phacelia greenei Dorothy Parker 1954-4-30 622 Siskiyou Scott Valley Siskiyou Mountains (e side) 853 Comment
  SEINET12280193  Phacelia heterophylla H. P. Chandler 1901-1 1655 Siskiyou Marble Mountain 2438 Comment
  UC618689  Phacelia heterophylla subsp. virgata W. Bridge Cooke 1938-6-17 11029 Siskiyou Sisson Southern Trail Mount Shasta Comment
  OBI13758  Phacelia leonis Unknown 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 mi SW of Poker Flat, Siskiyou Mtns 1554 Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  UC1950202  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City; several forks join before steep drop Comment
  HSC57390  Phacelia procera G. L. Clifton, Griswold 1979-7-26 10124 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC69570  Phacelia procera Maralyn A. Renner 1980-8-6 2267 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 Comment
  CAS-BOT-BC159001  Phacelia ramosissima var. ramosissima Alice Eastwood 1912-8-30 2020 Siskiyou Mt. Eddy Comment
  HSC26599  Philadelphus californicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19539 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  JEPS84271  Philadelphus lewisii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6482 Siskiyou e Cook and Green Pass (s ridge of butte); Copper Butte 1584 Comment
  CAS-BOT-BC250788  Phleum alpinum Jason Swallen 1939-7-26 13750 Siskiyou Mount Shasta. Above Panther Creek Meadows Comment
  CAS-BOT-BC250789  Phleum alpinum Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  HSC82220  Phleum pratense Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4540 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1037381  Phleum pratense Douglas Barbe 1955-7-5 109 Siskiyou on highway to Fort Jones at Greenview city limits (s side of road); Klamath Mountains 883 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  UCR90864  Phlox adsurgens Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  RSA238835  Phlox adsurgens Frederick W. Oettinger 1968-9-9 808 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SD88543  Phlox adsurgens Darley F. Howe 1972-7-5 4876 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  HSC44995  Phlox diffusa J. O. Sawyer 1978-6-16 3212 Siskiyou Marble Mtn. Wilderness Area, slopes of Marble Mtn. 1829 Comment
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  UC682098  Phlox speciosa G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3267 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1607597  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca 4 airmiles w Shasta City (Wagon Creek e side of Mt Eddy) 1828 Comment
  JEPS46724  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Happy Camp Trail Siskiyou Mts., Indian Creek (head of creek) Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC73428  Picea breweriana unspecified 1912-10-1 s.n. Siskiyou Marble Mt. Comment
  NY30477  Picea breweriana L. E. Berriman 1940-9-17 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-BC73435  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
  UC665721  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Creek (tributary of Scott River) North Coast Ranges, Mount Diablo Meridian, Sugar Creek 1432 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
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Nov 12 2011
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 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
  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
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 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
  HSC1570  Pinus contorta var. murrayana R. C. Wunner 1965-8-22 471 Siskiyou Lava Beds National Monument Hidden Valley, closest end to Mammoth Crater 1585 Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  HSC36761  Pinus jeffreyi J. P. Smith 1974-5-25 7397 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC78775  Pinus lambertiana Geo. B. Grant 1902-9-10 s.n. Siskiyou Sisson 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
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC78959  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC2354  Piperia unalascensis 1936-6-26 Siskiyou Mt. Shasta City. 1097 Comment
  HSC29336  Plagiobothrys hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  CHSC93532  Plantago eriopoda Lowell Ahart; John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA715775  Plantago eriopoda L. Ahart, John Dittes 2005-6-10 12104 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  RSA237605  Plantago lanceolata Frederick W. Oettinger 1969-8-13 1363 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC21997  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-8-5 1763 Siskiyou W of Little Duck Lake 2073 Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC68344  Plectritis macrocera J. P. Smith 1973-5-5 6425 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS64574  Pleuricospora fimbriolata Noel H. Holmgren, Liew Fah Seong 1969-6-24 3615 Siskiyou Siskiyou Mountains, along Obrian Happy Camp Road Comment
  CAS-BOT-BC261037  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  HSC92163  Poa bolanderi Jennifer Whipple 1977-7-22 2040 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA239029  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD90582  Poa bolanderi A. H. Murphy 1956-8-15 56 H Siskiyou Klamath National Forest. Tangle Blue Creek. 1767 Comment
  UCD90583  Poa bolanderi A. H. Murphy 1955-7-29 55 S Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC254999  Poa bulbosa Morris Halperin 1930-1-1 s.n. Siskiyou Yreka Comment
  UCR64614  Poa bulbosa L. C. Wheeler 1935-6-1 3536 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  UC1265391  Poa cusickii subsp. purpurascens Frederick W. Oettinger 1969-9-2 1605 Siskiyou above meadow n. side of English Peak; Salmon Mts., High Lake Basins, English Peak vic., Marble Mt. 2164 Comment
  SEINET234712 Image available Poa fibrata Louis C. Wheeler 1935-6-30 3629 Siskiyou 3 miles south of Grenada Shasta Valley 790 Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC256019  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53383 Siskiyou 2.5 miles south of Grenada, Shata Valley 762 Comment
  HSC26631  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4011 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC92144  Poa pratensis Jennifer Whipple 1976-7-2 1245 Siskiyou Near Durney Lake. 2073 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  UCD83705  Poa rhizomata Jesse Miller 2009-6-16 s. n. Siskiyou near Gottville. Vegetation plot for Susan Harrison project. Plot # KLGV-N. 810 Comment
  POM228870  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA211228  Poa secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  UCD92391  Poa secunda subsp. juncifolia Mr. Roseman 1913-1 23 Siskiyou Butte Valley. Comment
  HSC102658  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12616 Siskiyou Road to Tenant. Comment
  HSC77126  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 178 Siskiyou Marble Mtn. Wilderness Area. Comment
  UC196958  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou ditch bank near Yreka Yreka Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS19783  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou about 2 1/2 miles Northwest of Weed, close to U.S. highway 99 1005 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC454756  Polygala cornuta var. cornuta I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  UCD99889  Polygonum argyrocoleon P. C. Everett; E. K. Balls 1954-10-13 20278 Siskiyou Yellow Pine Forest Community, Seiad Creek, road to Kangaroo Mt., 6.7 mi. n.e. from Hwy 96. 701 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA237757  Polygonum bistortoides Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1286 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CDA2791  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou Northeast corner of Siskiyou Avenue & Interstate 5 freeway, and in yards along Siskiyou Avenue, north limits of Dunsmuir. 0 Comment
  CAS-BOT-BC414601  Polygonum douglasii Peter H. Raven 1956-9-5 10458 Siskiyou North Fork of Sacramento River 2011 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  UC1735923  Polygonum douglasii Dean W. Taylor 1987-8-6 9242 Siskiyou Porcupine Lake; ; Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  POM104494  Polygonum douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek. 1220 Comment
  UC1409208  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou on English Lake trail above Willow Spring (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CHSC86640  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 23 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  UC164039  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  JEPS117465  Polygonum hydropiperoides Lowell Ahart, John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS50626  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  CDA17138  Polygonum phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC1191238  Polygonum sawatchense subsp. oblivium Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  RSA0005206  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1967-8-13 260 Siskiyou Near meadow SE of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area, Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  CAS-BOT-BC421068  Polygonum spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  CAS-BOT-BC421079  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou Mount Eddy Comment
  RSA466410  Polygonum spergulariiforme Robert Gustafson 1985-10-19 3306 Siskiyou Gazelle Callahan Road 1372 Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  CAS-BOT-BC237394  Polypogon monspeliensis Elmer I. Applegate 1923-8-21 3924 Siskiyou Willow Creek, near Dome Mountain, S of Lower Klamath Marsh Comment
  POM210936  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  RSA756838  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  RSA85033  Polystichum lemmonii P. A. Munz 1934-8-14 3137 Siskiyou North side of White mountains 1768 Comment
  SFV95  Polystichum lemmonii E. Bacciu 1961-6-1 s. n. Siskiyou Mount Eddy Creek, near Weed. 1524 Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  UCD78121  Polystichum lonchitis Robert E. Preston 2001-6-23 1588 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  UC1409244  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou n Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC102956  Populus trichocarpa L. E. Smith 1918-4-27 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC102963  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  UCD138308  Potamogeton gramineus Calvin McMillen; Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC453749  Potamogeton natans Alice Eastwood 1912-7-21 1284 Siskiyou Sisson Comment
  CHSC106102  Potentilla anserina subsp. anserina Lowell Ahart; John Dittes 2010-7-30 16940 Siskiyou About 5 yards south of the Shasta River, about 10 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
  HSC29382  Potentilla breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC61831  Potentilla breweri Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  POM250748  Potentilla flabellifolia W. Bridge Cooke 1938-8-9 11626 Siskiyou Mt. Shasta. 2500 Comment
  RSA211185  Potentilla fruticosa William J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail. 1829 Comment
  CHSC88117  Potentilla glandulosa Jenny Marr 1993-7-1 127 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SJSU2556  Potentilla glandulosa subsp. ashlandica H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1143 Comment
  UC727198  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy 2682 Comment
  UC375387  Potentilla gracilis var. fastigiata Geo. D. Butler 1907-6-13 923 Siskiyou Near Oro Fino. Comment
  UCR52365  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  CAS-BOT-BC516392  Prosartes hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11750 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC69056  Prunella vulgaris Maralyn A. Renner 1980-8-6 2314 Siskiyou Cracker Meadow 1555 Comment
  CHSC774  Prunella vulgaris var. lanceolata 1936-6-29 Siskiyou Shasta City. 1097 Comment
  CAS-BOT-BC158202  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CHSC1583  Prunus emarginata M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  LA86525  Prunus emarginata John M. Tucker; 1963-7-7 3711 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CDA26217  Prunus virginiana var. demissa G. D. Barbe 1973-8-14 1705 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Inter State 5. Comment
  HSC18835  Prunus virginiana var. demissa D. M. Thomson 1965-8-14 198 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  POM88104  Prunus virginiana var. demissa Geo. D. Butler 1910-4-30 1248 Siskiyou [Greka or Silka]? Creek Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  CAS-BOT-BC357407  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  SEINET10960001  Pseudoroegneria spicata Edwin B. Copel 1903-7-4 Copeland 3542 Siskiyou The Pacific Coast. Klamathon. Small tufts on very arid hills. Comment
  RSA585076  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  UCD135128  Pseudotsuga menziesii var. menziesii Lalit M. Srivastava; H. R Offord, C. R. Quick 1959-6-23 81 Siskiyou Cecilville Road south of Black Bear Summit. 1402 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
  UC42931  Pteridium aquilinum var. pubescens Marshall A. Howe 1894-8-8 Siskiyou Shasta Soda Springs Comment
  HSC27947  Pteridium aquilinum var. pubescens Carl W. Mize 1972-9-24 123 Siskiyou Old rd. past U-turn 816 Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  CAS-BOT-BC147896  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  CAS-BOT-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  UC73074  Purshia tridentata var. tridentata Milo S. Baker Jun 1896 123 Siskiyou 15 mi w Bartles (Sissons Road) Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC460863  Pyrola aphylla Doris K. Kildale 1929-7-20 8645 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  HSC27765  Pyrola dentata J. P. Smith, J. O. Sawyer 1972-9-13 5790 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  RSA0084311  Pyrola dentata Diana D. Jolles, Erik M. Beaston 2011-8-26 483 Siskiyou Klamath National Forest, Alcohol Crater. 2113 Comment
  UCD13255  Pyrola dentata K. F. Mawdsley 1996-7-9 7 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  RSA467923  Pyrola dentata M. B. Dunkle 1944-7-17 9118 Siskiyou Deer Creek. Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  RSA0083256  Pyrola picta R. F. Thorne 1969-8-2 63390 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
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Jan 14 2016
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  UC1408906  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou due nnw Tobacco Lake (and w of the w cove of Hancock Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 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
  UCD46094  Quercus garryana var. garryana J. M Tucker 1948-8-3 1771 Siskiyou Ca. 0.6 mile west of Happay Camp, Siskiyou County, California. 335 Comment
  UCD46097  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp, Siskiyou County, California. 335 Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  CAS-BOT-BC104343  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  RSA184760  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Meadow on Black Mountain Trail, Marble Mountain. 1799 Comment
  UCD47230  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 C Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC99609  Quercus vacciniifolia G. L. Clifton, Griswold 1979-6-28 6136 Siskiyou Near Upper Devils Peak 1738 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  SBBG25915  Ranunculus alismifolius D. Myrick 1966-8-12 1541 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC165299  Ranunculus alismifolius var. alismifolius Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow Goosenest Mtn. 1676 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC98334  Ranunculus orthorhynchus G. L. Clifton 1979-7-1 6160 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CDA3489  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  JEPS94640  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  SEINET7545220  Rhamnus obtusissima E. B. Copeland 1903-1 Baker 3833 Siskiyou Sisson 1097 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  HSC96872  Rhododendron columbianum Gordon Leppig 1998-7-10 913 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  RSA697561  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  SBBG25359  Rhododendron neoglandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of S Russian Crk (tributary of the Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1615 Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
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Jun 1 2007
  CAS-BOT-BC438005  Ribes L. B. Kildale 1930-6-1 9862 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  POM92673  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC92538  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  SFV10392  Ribes cereum M. L. Vincent 1967-6-29 720 Siskiyou On Mount Shasta. 2134 Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  CAS-BOT-BC173287  Ribes lacustre Doris K. Kildale 1928-7-4 5476 Siskiyou 3 miles from Summit - west - on Sawyers Bar - Etna Mills Road Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC173382  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11768 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  HSC64665  Ribes lobbii J. O. Sawyer 1977-7-6 3031 Siskiyou S of Little Duck Lake 2134 Comment
  RSA0021146  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Saddle along ridge between Charmaine Lake and Abbotts Lake. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1890 Comment
  RSA0021150  Ribes lobbii J. T. Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mountains. 1829 Comment
  RSA0021629  Ribes lobbii M. B. Dunkle 1944-7-18 9151 Siskiyou Siskiyou National Forest Comment
  HSC29419  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  RSA459485  Ribes marshallii M. B. Dunkle 1944-7-18 9152 Siskiyou Siskiyou National Forest. 1890 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  SEINET3151816  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  OBI14034  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA0022721  Ribes nevadense var. glaucescens Carl B. Wolf 1934-7-6 5990 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Rd. SW slopes of Mt. Shasta. 1220 Comment
  SFV1618  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  UC61672  Ribes roezlii W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CAS-BOT-BC199990  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8673 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC200013  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-4 5521 Siskiyou Summit of divide between Salmon River and Scott Valley on road to Etna Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  HSC65619  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6422 Siskiyou Along Cook and Green Pass Rd. Comment
  UC705902  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou s side near summit Cayenne Ridge; Marble Mountain Comment
  JEPS49240  Ribes sanguineum Geo. D. Butler 1909-4-26 672 Siskiyou Quartz Valley Comment
  UC1483465 Image available Ribes sanguineum Maralyn A. Renner 1980-6-27 1299 Siskiyou headwaters Dillon Creek; Klamath National Forest, Dillon Mtn. Quad. Comment
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Feb 9 2009
  SFV18060  Ribes velutinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 km north of Lava Beds National Monument near Tule Lake Sump. 1220 Comment
  UC165920  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath hills Comment
  JEPS49200  Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1911-6-15 148 Siskiyou Jackson Lake Comment
  JEPS84029  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  CHSC75693  Rorippa curvisiliqua Vernon H. Oswald; Lowell Ahart 1999-7-5 9805 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. 1188 Comment
  JEPS47279  Rosa Ruby Van Deventer 1938-7-31 270 Siskiyou Twin Valley 1219 Comment
  SEINET8986573  Rosa Unknown 1896-1 1882 (35) Siskiyou Siskiyou Co. Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  POM88100  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka. Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC146738  Rosa gymnocarpa Doris K. Kildale 1928-8-18 6413 Siskiyou North Fork of Salmon River at Finley Camp 609 Comment
  HSC99791  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-15 566 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  JEPS33851  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou by waterfall Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  RSA237781  Rosa gymnocarpa Frederick W. Oettinger 1969-7-29 1098 Siskiyou Along stream above Uncle's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  CAS-BOT-BC148194  Rosa rubiginosa Alice Eastwood 1912-7-20 1263 Siskiyou Hornbrook Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  UC1190139  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches China and Blind Horse Creeks 1645 Comment
  HSC29361  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  UC1736458  Rubus lasiococcus Dean W. Taylor 1972-7-3 1651 Siskiyou Cook & Green Pass 1371 Comment
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May 5 2013
  RSA593951  Rubus lasiococcus Louis C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1433 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  UC179524  Rudbeckia klamathensis A. A. Heller 1914-8-28 11731 Siskiyou Mt. Eddy 1524 Comment
  HSC31131  Rudbeckia occidentalis J. O. Sawyer 1971-8-20 2459 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  UCD19426  Rudbeckia occidentalis J. DiTomaso 2001-7-24 s.n. Siskiyou N of Hwy 96 near Happy Camp. Comment
  UC1409248  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou e side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC103538  Salix commutata Louis C. Wheeler 1934-8-9 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  JEPS80493  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  RSA184756  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107079  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  POM219892  Salix lemmonii H. P. Bracelin 1931-6-19 415 Siskiyou NE side of Mount Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. Comment
  CAS-BOT-BC125068  Salix ligulifolia Alice Eastwood 1917-9-2 6689 Siskiyou Shasta Springs Comment
  UC144197  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou near Sisson Sisson Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  HSC22232  Salix scouleriana J. O. Sawyer 1968-9-13 708 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  POM362925  Salix scouleriana H. P. Bracelin 1931-6-20 444 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA238269  Salix scouleriana Frederick W. Oettinger 1969-8-22 1487 Siskiyou Between Pierce's Draw and Horse Range Lake lower meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Mable Mtn Wilderness. 1829 Comment
  UC1409269  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CDA5768  Salvia virgata J. R. Grisham 1963-7-24 Siskiyou E. H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka. 0 Comment
  POM67465  Sambucus callicarpa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek. 1829 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
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  HSC19455  Sanicula graveolens J. O. Sawyer 1969-7-11 1324 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC68528  Sanicula graveolens Maralyn A. Renner 1980-6-24 1046 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS25630  Sanicula graveolens Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7268 Siskiyou Poker Flat 1536 Comment
  UC1619914  Sanicula graveolens Barbara Ertter 1990-7-14 9331 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, s. side of creek); Mt. Eddy, Wagon Creek 1889 Comment
  UC165254  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou Shackleford Creek 1219 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  POM77781  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou [Unspecified] 1220 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
  UCR78456  Saponaria officinalis Scott D. White, Julie Greene 1993-8-24 1838 Siskiyou Klamath River, 'Presidio Bar' (off Hwy 96) 152 Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  UCR66599  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou Siskiyou Mtns., S side of White Mtn 1738 Comment
  CDA25435  Saxifraga fallax T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  CHSC99691  Saxifragopsis fragarioides L. P. Janeway 2008-7-24 9465 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  POM354594  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Marble Mts., Klamath National Forest. Comment
  CAS-BOT-BC445882  Saxifragopsis fragarioides C. G. Pringle 1883-9-1 s.n. Siskiyou Unspecified. Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  JEPS63978  Schoenoplectus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Wright and Fletcher's pasture near Oro Fino; near Oro Fino Comment
  UC1112259  Scirpus congdonii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5954 Siskiyou Gumboot Lake ca 6 mi due s Mt. Eddy (head of South Fork Sacramento River, Gumboot Lake); Gumboot Lake, head of South Fork Sacramento River 1859 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC149654  Scirpus microcarpus H. M. Hall and E. B. Babcock June, 1903 4044 Siskiyou 18th crossing Mount Shasta, near Sisson (near Sisson) 1036 Comment
  UC840945  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Weed Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  HSC40237  Scleranthus annuus J. P. Smith 1976-5-5 8670 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  POM216186  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS11421  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou near Yreka (McNulty's Field); McNulty's Field Comment
  JEPS62917  Scutellaria antirrhinoides W. L. Jepson July, 1894 14929 Siskiyou Sisson Comment
  RSA211224  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the south fork of the Salmon River between the campground and Carter s. 1524 Comment
  UC163834  Scutellaria antirrhinoides Geo. D. Butler 1908-8-3 179 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  POM70366  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goose nest foothills 1220 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  CDA41035  Scutellaria siphocampyloides T. C. Fuller 1958-6-19 1891 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  CAS-BOT-BC59185  Sedum lanceolatum Gilbert Muth 1966-7-25 449 Siskiyou Marble Mountain Lookout 2097 Comment
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  HSC19473  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-10 799 Siskiyou S face near Sugar Lake 1829 Comment
  HSC19536  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1510 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS121410  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains Comment
  RSA0083649  Sedum oregonense Frederick W. Oettinger 1968-8-5 413 Siskiyou On NE-facing slope S of and above Charmaine Lake. 1950 Comment
  SJSU6063  Sedum spathulifolium R. W. Trivelpiece 1971-6-8 22 Siskiyou E Fork of S Fork Salmon R near Cecilville, Salmon R Mts 822 Comment
  UC1015300  Sedum spathulifolium C. R. Bell 1951-4-21 1107 Siskiyou 10 mi w Happy Camp; 10 mi w of Happy Camp Comment
  RSA576448  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-14 3122 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  CDA8579  Senecio aronicoides T. C. Fuller 1962-6-11 8958 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  JEPS93892  Senecio hydrophilus Vernon H. Oswald and Lowell Ahart 1998-7-21 9348 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  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
  JEPS74472  Senecio integerrimus var. major W. J. Ferlatte 1966-6-23 147 Siskiyou Big Flat Trinity Alps 1524 Comment
  CAS-BOT-BC364789  Sericocarpus oregonensis subsp. oregonensis L. E. Smith 1915-7-1 s.n. Siskiyou Dunsmuir Comment
  UC1222981  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1949-9-15 18556 Siskiyou on road between Cecilville and Sawyer's Bar, near the summit Blue Ridge 1584 Comment
  CHSC102564  Sibbaldia procumbens L. P. Janeway 2009-8-4 9901 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  JEPS44595  Sibbaldia procumbens Willis L. Jepson 1894-8-4 14169 Siskiyou above snow-line Mt. Shasta Comment
  CHSC99989  Sidalcea asprella L. P. Janeway 2008-7-25 9500 Siskiyou Klamath Ranges. Siskiyou Mountains; 3/2 air km souothwest of Cook and Green Pass; 0.4 km southeast of Red butte. 1736 Comment
  HSC76964  Sidalcea malviflora subsp. nana K. T. Stillman 1976-7-30 326 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC46140  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-27 4516 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA95267  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-19 3779 Siskiyou Lairds Landing Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  JEPS90787  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou Paynes Springs 2 mi se from Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  UC1190192  Silene douglasii Ira L. Wiggins 1955-7-29 13580 Siskiyou trail to Caribou Lake , trail to Caribou Lake (Summit of ridge above Thompson Creek) 1999 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  HSC92349  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2223 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC388946  Silene grayi Mary Ann Showers 1980-7-23 1909 b Siskiyou At summit of Little Mt. Hoffman 2225 Comment
  CAS-BOT-BC388952  Silene grayi A. A. Heller 1920-7-9 13436 Siskiyou Easterly slope of Mt. Eddy 2286 Comment
  UCD98592  Silene grayi Mary Ann Showers 1980-8-28 2068 Siskiyou below n-facing lower slopes of Red-Butte, on lower slope of Mt. Shasta, Shasta-Trinity National Forest. 2407 Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  CAS-BOT-BC389425  Silene lemmonii A. A. Heller 1920-6-27 13388 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson Comment
  JEPS50989  Silene lemmonii Willis L. Jepson 1894-8-4 Siskiyou Sisson , , Camp 1 (Mt. Shasta) Comment
  UC595107  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou 2 mi e Callahan (Scott Mountain Lodge, on E Fork Scott River at junction with Mill Creek); E Fork Scott River at jct w/ Mill Creek 1000 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  NY319455  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta. 1524.0 Comment
  UC375212  Smilacina racemosa Geo. D. Butler 1908-8-7 96 Siskiyou West Fork Wooley Creek; head Comment
  SEINET3154294  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  UC3906  Smilax californica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  UC60938  Smilax californica Geo. B. Grant September, 1902 5214 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  HSC664  Solanum parishii William J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS12118  Solanum rostratum W. L. Kleaver 1921-7-30 Siskiyou Yreka Comment
  UC1034622  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2.0 mi e of Callahan (at Trinity Center Road junction); Klamath Mountains 975 Comment
  CAS-BOT-BC365562  Solidago elongata Nora Pettibone 1894-8-11 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC158932  Sorbus scopulina W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  RSA237842  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-8-25 1556 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC390718  Spergularia rubra Doris K. Kildale 1928-7-4 5539 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  HSC68012  Spergularia rubra J. P. Smith, Steve Selva 1970-6-16 4015 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC60991  Sphenosciadium capitellatum Geo. B. Grant September 1902 5141 Siskiyou Mount Shasta 914 Comment
  UC1190113  Spiraea densiflora Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCR95629  Spiraea densiflora L. C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  HSC18899  Spiraea douglasii J. O. Sawyer 1968-6-25 307 Siskiyou NE of N Horse Range Lake 2012 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  RSA382202  Spiranthes romanzoffiana M. B. Dunkle 1945-1 9346 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 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
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  HSC63581  Stachys rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground. 823 Comment
  RSA580059  Stachys rigida subsp. rigida Louis C. Wheeler 1935-7-26 3715 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 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
  UC454236  Stellaria longipes var. longipes I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  UC1360488  Stenanthium occidentale J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3747 Siskiyou ca 0.5 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area 1920 Comment
  HSC34512  Stenanthium occidentale A. M. Montalvo, J. D. Ackerman 1974-8-17 425 Siskiyou W slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadow 1646 Comment
  HSC290  Stephanomeria lactucina William J. Ferlatte 1967-8-22 1081 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SEINET11262515  Stephanomeria lactucina Carl B. Wolf 1934-7-6 6027 Siskiyou W slope of Mt Shasta. Snowline Road, 3 3/10 mi from Mt Shasta City.; 0 Comment
  OBI55431  Stephanomeria paniculata David J. Keil 1992-7-20 23490 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  CAS-BOT-BC322918  Stephanomeria tenuifolia Elmer I. Applegate 1935-6-8 9420 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  CAS-BOT-BC87852  Streptanthus tortuosus A. A. Heller 1940-7-25 15769 Siskiyou Along the pathway above Horse Camp Lodge, Mount Shasta. 2438 Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC87859  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-4 2194 Siskiyou Along Brewer Creek, 1 mile below timber line, east side of Mount Shasta. Comment
  HSC6948  Streptanthus tortuosus Lincoln Constance, R. C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 mi. S of Happy Camp 305 Comment
  SJSU8319  Streptanthus tortuosus M. R. Kempf 1965-7-13 309 Siskiyou slope above Horse Camp, SW slope of Mt Shasta 2438 Comment
  RSA12673  Streptanthus tortuosus C. B. Wolf 1934-7-6 6022 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 4 2012
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  HSC67675  Streptopus amplexifolius John Palmer 1980-7-24 596 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC516436  Streptopus amplexifolius Ira L. Wiggins 1955-7-24 13502 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC166205  Swertia albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou near Yreka Comment
  CAS-BOT-BC269611  Symphoricarpos albus var. laevigatus William A. Dayton 1913-9-14 586 Siskiyou Shasta National Forest. E. Fk of Scott River Range along Rail Creek 1341 Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  RSA477512  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 -a Siskiyou Between California State line and the Agricultural Inspection Station. Comment
  CAS-BOT-BC234785  Symphoricarpos mollis Wm. Bridge Cooke 1938-7-22 11347 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC234799  Symphoricarpos mollis Alice Eastwood 1921-7-26 10870 Siskiyou Soda Creek Comment
  HSC18990  Symphoricarpos mollis J. O. Sawyer 1969-7-24 1460 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  JEPS66686  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek 1219 Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC98952  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. Up across marble on east side of Black Mtn. 2103 Comment
  UC894127  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  UC166578  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou near Bottoms' Camp (Shackelford Creek); Shackelford Creek Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  HSC92597  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1976-7-24 1571 Siskiyou Durney Creek below Durney Lake 2104 Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  RSA237670  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou SE slope at the gap where the English Peak-Hancock Lake trail crosses the Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC46089  Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68415  Taxus brevifolia Maralyn A. Renner 1980-7-4 1404 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SBBG33706  Taxus brevifolia W. M. Plum 1969-9-23 Siskiyou Parks Crk below China Mtn Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  SD88458  Tellima grandiflora Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State line on road to Happy Camp 1707 Comment
  JEPS80527  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 M Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  CAS-BOT-BC88067  Thelypodium brachycarpum L. E. Smith 1914-5-21 706 Siskiyou Montague. Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC77711  Thelypteris nevadensis Doris K. Kildale 1928-7-3 5438 Siskiyou Little North Fork of Salmon River Comment
  CHSC30904  Thlaspi montanum var. montanum M. S. Taylor 1980-7-8 3097 Siskiyou S end of Little Castle Lake, in cliffs. 1767 Comment
  UC137319  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  HSC31129  Tiarella trifoliata var. unifoliata J. O. Sawyer 1971-8-19 2453 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  JEPS83830  Tofieldia occidentalis subsp. occidentalis Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake Siskiyou Mts., vicinity Cook and Green Pass Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  JEPS104953  Torreyochloa pallida var. pauciflora Dean W. Taylor 1996-6-24 15740 Siskiyou Klamath River canyon near Oregon State Line; Klamath National Forest 1066 Comment
  CAS-BOT-BC169251  Toxicodendron diversilobum Ellsworth Bethel 1923-4-16 s.n. Siskiyou Redding Comment
  RSA537372  Toxicodendron diversilobum W. Wisura, J. Romero 1991-10-18 4601 Siskiyou 1.3 mi. east of Somes Bar. Comment
  CAS-BOT-BC519558  Triantha occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. Below Camp's water spring in marshy hillside. Western exposure. 1524 Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC519560  Triantha occidentalis subsp. occidentalis L. E. Smith 1913-9-1 551 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC44584  Triantha occidentalis subsp. occidentalis Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  UC163995  Trichostema lanceolatum Geo. D. Butler 1910-7-28 1793 Siskiyou near Yreka Comment
  UC637048  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast 426 Comment
  UC61693  Trientalis latifolia Geo. B. Grant 1902-9-1 5245 Siskiyou Mount Shasta, Shasta Springs Shasta Springs; Pacific Coast, Mount Shasta, Shasta Springs 609 Comment
  POM76570  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Mountain. 1220 Comment
  JEPS65700  Trifolium albopurpureum var. dichotomum Geo. D. Butler 1909-5-13 710 Siskiyou near Yreka; Klamath Hills Comment
  HSC68550  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 893 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA90949  Trifolium eriocephalum subsp. eriocephalum J. T. Howell 1937-7-23 13360 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC585220  Trifolium eriocephalum var. eriocephalum E. B. Babcock and G. L. Stebbins 1936-6-11 1891 Siskiyou ca 2 s Yreka 822 Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  HSC58924  Trifolium howellii Marvin Butler 1971-8-11 282 Siskiyou Near Marv's Meadow 1464 Comment
  HSC61459  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  UC630859  Trifolium howellii P. B. Kennedy Siskiyou Shackleford Creek Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  JEPS66038  Trifolium pratense W. L. Jepson 1914-8-14 6167 Siskiyou Dunsmuir 670 Comment
  JEPS128458  Trifolium productum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -059 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC18997  Trifolium repens J. O. Sawyer 1969-7-26 1585 Siskiyou Along Sugar Creek 1707 Comment
  HSC30421  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Salmon Mtn., above trail near Young's Cabin in region of Upper Abbott's Cabin. 1829 Comment
  UC454715  Trifolium variegatum var. variegatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  CAS-BOT-BC519099  Trillium chloropetalum var. chloropetalum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 mile north of Beaver Creek Public Camp along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River, Klamath National Forest Comment
  HSC30676  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area: Off Music Creek logging road, Statue Creek spur along Statue Creek 1878 Comment
  UC1409311  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou streambank w. of Statue Creek (near point where Music Creek logging rd. makes hairpin turn); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1755 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
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  HSC26705  Trisetum spicatum William J. Ferlatte 1971-9-18 1384 Siskiyou Caribou Basin. 2226 Comment
  HSC34133  Trisetum spicatum J. O. Sawyer 1969-8-5 1779 Siskiyou Near Little Duck Lake 2073 Comment
  HSC4778  Trisetum spicatum William J. Ferlatte 1966-8-19 453 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC58563  Trisetum spicatum G. L. Clifton, Griswold 1979-7-26 10118 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  RSA378084  Triteleia crocea M. B. Dunkle 1944-7-18 9139 Siskiyou Siskiyou National Forest Comment
  UC15040  Triteleia crocea W. P. Gibbons May 1896 Siskiyou Comment
  UC454064  Triteleia crocea var. modesta I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CHSC2079  Triteleia hyacinthina M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 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
  JEPS64224  Triteleia hyacinthina W. L. Jepson July 1894 20977 Siskiyou Sisson 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
  JEPS80587  Tsuga mertensiana Gilbert Muth 1965-7-29 131 Siskiyou Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC80251  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-7-7 s.n. Siskiyou On Big M trail Comment
  CAS-BOT-BC91274  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC91279  Umbellularia californica Doris K. Kildale 1929-7-20 8536 Siskiyou Trail to Preston Peak along South Fork of Indian Creek. 2743 Comment
  HSC21668  Urtica dioica subsp. holosericea C. B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River near Hamburg. Comment
  POM117669  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek. Comment
  POM283898  Utricularia vulgaris subsp. macrorhiza H. E. Brown 1897-6-11 s.n. Siskiyou North side of Mt. Shasta. 1524 Comment
  CHSC69749  Vaccinium cespitosum Loren Gehrung 1996-9-20 109 Siskiyou Jackson Lake. 1 airmile south of Russian Wilderness Area. 1901 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  JEPS58715  Vaccinium cespitosum Harley P. Chandler Jun 1901 1578 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19416  Vaccinium scoparium J. O. Sawyer 1968-7-22 547 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCD13278  Vaccinium scoparium K. F. Mawdsley 1996-7-9 12 c Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  RSA22057  Vahlodea atropurpurea J. T. Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC267276  Valeriana Carl B. Wolf 1934-7-4 5957 Siskiyou Siskiyou Mountains, 6.8 miles from Dry Lake Lookout on road to Horse Creek 1828 Comment
  CAS-BOT-BC5070  Valeriana sitchensis subsp. sitchensis John Thomas Howell 1939-8-8 15162 Siskiyou Black Mt., Marble Mts. Comment
  JEPS107659  Valerianella locusta Lowell Ahart, John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  JEPS5118  Valerianella locusta Geo. D. Butler 1909-5-2 729 Siskiyou near Yreka Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou 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
  UCD95093  Vancouveria hexandra AHM 1955-7-29 55 J Siskiyou Klamath National Forest. Clear Lake. 1798 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  HSC73293  Vancouveria planipetala Gail Newton 1980-6-20 523 Siskiyou Near Bald Mtn. 1326 Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment
  HSC30439  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC19339  Veronica americana J. O. Sawyer 1969-7-23 1189 Siskiyou Along road near Horse Range Creek. 1341 Comment
  RSA426465  Veronica americana Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  RSA715953  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  SBBG27153  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Crk, Siskiyou Mts; T45N, R 7W, S19 1005 Comment
  CDA6419  Veronica persica T. C. Fuller 1962-6-11 8964 Siskiyou El Rancho Motel, Yreka. 0 Comment
  HSC29283  Veronica serpyllifolia subsp. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Marble Mtn. Wilderness Area, along trail SE side of Hancock Lake 1890 Comment
  CAS-BOT-BC238171  Veronica wormskjoldii Ella Dales Cantelow 1939-6-10 2589 Siskiyou 22 4/10 mi. s.e. of Mc Cloud [McCloud] on road to Burney Comment
  HSC22479  Veronica wormskjoldii J. O. Sawyer 1969-7-10 1148 Siskiyou W of Lower Russian Lake, along trail 2073 Comment