Search Results — 2000 specimen records retrieved (1370 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77929  Abies G. A. Coleman 1901-7-31 35 Siskiyou west of forks of Salmon River Comment
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  HSC68390  Abies concolor Maralyn A. Renner 1980-6-26 1250 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  JEPS84283  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  CAS-BOT-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  HSC68540  Acer macrophyllum Maralyn A. Renner 1980-6-25 1113 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC376180  Acer negundo Andrew Townesmith; Karen M. Meyer 2007-8-3 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CHSC114169  Acer platanoides R. E. Brainerd 2010-8-9 1735 Siskiyou Wed. Highway 97 on north side of railroad crossing. 1048 Comment
  CAS-BOT-BC30433  Achillea millefolium J. H. Thomas; H. A. Thomas 1954-7-21 4429 Siskiyou Salmon-Trinity Mtns., about 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC22299  Achillea millefolium J. O. Sawyer 1969-7-23 1170 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC36896  Achillea millefolium J. P. Smith 1974-5-25 7513 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC4995  Achillea millefolium J. O. Sawyer 1968-7-9 424 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC68420  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC618703  Achillea millefolium W. Bridge Cooke 1938-6-24 11067 a Siskiyou open meadow portion of the spring MacBride Springs; Mount Shasta 1524 Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  HSC61187  Achillea millefolium Al Hobart Siskiyou El Capitan Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  UC167216  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  JEPS121759  Achnatherum nevadense B. Castro and L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  JEPS76056  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  UC822000  Achnatherum occidentale subsp. occidentale A. A. Heller 1916-6-22 12427 Siskiyou near Black Butte (n of Sisson) 1097 Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  CAS-BOT-BC218016  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  RSA715779  Achyrachaena mollis L. Ahart, John Dittes 2005-6-10 12113 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  CAS-BOT-BC391527  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-7-2 5401 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC391530  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  CAS-BOT-BC391535  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC391538  Aconitum columbianum subsp. columbianum Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  HSC17995  Aconitum columbianum subsp. columbianum Dorothy Parker 1949-8-3 355 Siskiyou Edges of Paradise Lake, Salmon Mtn. 1982 Comment
  RSA183668  Aconitum columbianum var. columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  CAS-BOT-BC413840  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  HSC54722  Aconogonon davisiae Overton, Butler 1979-7-26 10116 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC58965  Aconogonon davisiae Gilbert Muth 1975-10-1 4440 Siskiyou Near Kangaroo Mtn. 1920 Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  SEINET10928998  Actaea rubra H. E. Brown 1897-8-1 Brown 583 Siskiyou 1524 Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  CAS-BOT-BC68954  Adiantum aleuticum Peter H. Raven 1956-9-5 10452 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC46088  Adiantum aleuticum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC93001  Adiantum aleuticum Jennifer Whipple 1976-7-24 1566 Siskiyou SW of Dobkins Lake along the drainage into the lake 2134 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  HSC33345  Aegilops cylindrica William J. Ferlatte 1973-6-28 1680 Siskiyou Montague, NE edge of town 777 Comment
  CHSC69080  Agastache parvifolia Vernon Oswald; Lowell Ahart 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  JEPS74477  Agastache urticifolia W. J. Ferlatte 1966-8-3 258 Siskiyou Mountain Meadow Ranch; Trinity Alps 1524 Comment
  HSC29324  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry margins of 'Bear Meadow', between English Peak Lookout and Tom Taylor Cabin 1997 Comment
  SEINET1004219  Ageratina occidentalis Mark Fishbein, Lane Greer 2006-1 5873 Siskiyou Along Forest Service Rd. 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  UC1212567  Ageratina occidentalis Francia Chisaki and Helen K. Sharsmith 1959-8-20 4743 Siskiyou between Forks of Salmon and Somes Bar (several miles from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  CAS-BOT-BC29458  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  HSC45207  Agoseris glauca var. glauca J. O. Sawyer, E. Cope 1977-6-20 2971 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CHSC91257  Agoseris grandiflora Lowell Ahart; John Dittes 2005-6-10 12128 Siskiyou On the south side of a poor dirt road, about 100 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
  RSA416433  Agoseris grandiflora M. B. Dunkle 1944-7-7 s.n. Siskiyou Deer Creek. 1768 Comment
  HSC67941  Agoseris heterophylla J. P. Smith 1973-5-5 6403 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA142619  Agoseris monticola Philip A. Munz 1960-8-22 24185 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  HSC76656  Agrostis idahoensis K. T. Stillman 1976-7-23 295 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CHSC69847  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Salmon Mountains Western Siskiyou County. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Bear Meadow near Tom Taylor's Cabin. 2164 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  CAS-BOT-BC138697  Agrostis scabra E. Palmer 1892-1-1 2636 Siskiyou Near Mount Shasta. Comment
  RSA238993  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Lake shore at north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  SBBG26837  Agrostis stolonifera L. C. Wheeler 1947-8-14 3134 Siskiyou N side of White Mtn, Siskiyou Mts; T37N, R10W S1 1767 Comment
  HSC91585  Agrostis variabilis Jennifer Whipple 1978-10-6 2427 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  HSC103012  Ailanthus altissima J. P. Smith 2014-6-6 13869 Siskiyou Along river access road just west of State Route 96. Naturalized trees 216 Comment
  POM110045  Allium acuminatum Geo D. Butler 1909-5-26 788 Siskiyou Hill near Yreka. Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  CAS-BOT-BC462988  Allium bolanderi L. B. Kildale 1930-6-1 9704 Siskiyou Salmon River at Crapp Creek Comment
  UC1299635  Allium bolanderi Freed W. Hoffman 1950-7-11 3240 Siskiyou 16.1 mi n point where Cedar Camp Road leaves the Klamath Highway (between Orleans and Weitchpec) Comment
  UC796664  Allium falcifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11716 Siskiyou Schoolhouse Hill, e. fork of Scott River Scott River, Plowman's (Noyes) Valley, Schoolhouse Hill 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-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  POM109968  Allium siskiyouense Geo D. Butler 1910-4-10 1167 Siskiyou Yreka Comment
  POM109982  Allium validum Geo D. Butler 1908-8-3 112 Siskiyou Log Lake, Shackleford Creek Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC171401  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-7-4 5544 Siskiyou 1 1/2 miles below Summit of divide between N Fork of Salmon River and Scott Valley Comment
  UC847420  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  RSA105508  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mile north of Callahan in dredgings near Hjertagers Mill. 976 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UCD14406  Alopecurus pratensis Sheryl Gill 1996-9-3 s.n. Siskiyou At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
Read comments
Jun 24 2009
  RSA477429  Alyssum alyssoides Edwin Kline 1920-6-24 14849 Siskiyou Siskiyou Mts. Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  JEPS54309  Amaranthus hybridus Geo. D. Butler 1908-7-13 543 Siskiyou near Yreka ( garden on Butler's ranch) Comment
  HSC2909  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC18535  Amelanchier pallida R. C. Wunner 1965-8-17 443 Siskiyou California Lava Beds National Monument; Indian Wells Campground 1433 Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  RSA60668  Amelanchier pallida I. L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC60892  Amelanchier utahensis W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  RSA0089706  Amsinckia retrorsa E. K. Balls 1950-5-17 14720 Siskiyou By New Lava Flow, on rd. to Capt. Jack s Stronghold. Lava Beds Nat l Monument. 1585 Comment
  CAS-BOT-BC45213  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  JEPS40557  Ancistrocarphus filagineus Geo. D. Butler 1909-5-24 718 Siskiyou near Yreka Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  POM100558  Anemone deltoidea Geo. D. Butler 1910-7-9 1713 Siskiyou Marble Mtn. 1677 Comment
  RSA238287  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  UC609339  Anemone occidentalis Eleanor Burks Hart 1938-8-18 912 Siskiyou Boulder Peak 2529 Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  UCD127177  Angelica tomentosa Joseph DiTomaso 1980-8-5 1853 Siskiyou Baldy Mt. Lookout, 6 miles west of Happy Camp. 200 m north of lookout. 1706 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
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC28214  Anisocarpus madioides Carl W. Mize 1972-6-23 97 Siskiyou Along trail down from Camp Three 427 Comment
  HSC148  Antennaria argentea William J. Ferlatte 1966-8-3 265 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC58721  Antennaria geyeri Alice Eastwood 1921-7-29 10958 Siskiyou Little Mt. Hoffman Comment
  SEINET2030021 Image available Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC69100  Antennaria media Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Horse Camp Springs Comment
  CAS-BOT-BC79905  Antennaria microphylla Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  RSA184766  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  RSA238716  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 -b Siskiyou Shasta ridge between Diamond lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  SBBG30602  Apocynum androsaemifolium D. Myrick 1968-6-24 2005 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC1034601  Apocynum androsaemifolium Douglas Barbe 1955-6-30 53 Siskiyou just w. of Forest camp Etna 914 Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC81750  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6199 Siskiyou Along USFS Rd. 41N17 1.0mi junction with Callahan-Cecilville Rd. 1585 Comment
  UCD95553  Aquilegia formosa J. P. Smith; Steve Selva 1970-6-15 3975 Siskiyou 1 mile west junction Calif. 3 and Road 8 leading to Sugar Creek. 1158 Comment
  CHSC466  Arabis V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  HSC29179  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Hancock Lake 1936 Comment
  JEPS53029  Arabis glabra W. L. Jepson Jul 1894 59 d Siskiyou Sisson Comment
  HSC40063  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  UC375283  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn road Comment
  POM143232  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou Near Yreka. Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA78833  Arabis suffrutescens P. A. Munz 1952-7-2 17911 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  JEPS48632  Aralia californica Geo. D. Butler 1908-8-24 457 Siskiyou Russian Creek, Eldredge's Corral 1219 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  SEINET2471286  Arceuthobium abietinum R. L. Mathiasen 2007-9-15 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park 1340 Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  CHSC97967  Arceuthobium californicum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake. Shasta-Trinity National Forest. 1330 Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  JEPS40140  Arceuthobium campylopodum Milo S. Baker 1923-8-17 303 Siskiyou near Camp 6 Siskiyou Ntional Forest Comment
  SEINET2471194  Arceuthobium campylopodum R. L. Mathiasen 2009-8-15 2009 -46 Siskiyou 2.4 km from Stewart Hot Springs on forest road 17 1356 Comment
  CAS-BOT-BC102216  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Klamath National Forest. Dutch Creek 701 Comment
  UC1733831  Arctostaphylos Frank Gould 1940-5-15 1245 Siskiyou Bull Meadows; Goosenest Mountain 1828 Comment
  CHSC81495  Arctostaphylos klamathensis Ann Willyard 2000-7-27 513 Siskiyou Scott Mountain, about 0.6 rd mi w of Scott Mountain campground, along Mule Creek Ridge, on the Klamath National Forest.UTM: 10 524359 E 4569675 N. 1676 Comment
  CAS-BOT-BC40025  Arctostaphylos nevadensis Mrs. H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, above Metcalf ranch house, N. of Shasta City about 8 miles. 1249 Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  UC83022  Arctostaphylos nevadensis Dr. E. B. Copeland 1903-7-14 3520 Siskiyou Klamathon Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46454  Arctostaphylos patula C. Hart Merriam 1919-9-23 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC46469  Arctostaphylos patula Alice Eastwood 1917-9-2 6683 Siskiyou Shasta Springs. Comment
  JEPS38866  Arctostaphylos patula W. L. Jepson 1940-6-27 20051 Siskiyou near Emigrant Road (e side of mt.); Mt. Shasta 1676 Comment
  POM77308  Arctostaphylos patula Geo D. Butler 1909-4-11 657 Siskiyou Weed. Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  CAS-BOT-BC47022  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  JEPS80541  Arenaria congesta var. congesta Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Black Mountain Marble Mountain Wilderness Area, Black Mountain, Boreal mead 1950 Comment
  UCR200667  Arenaria nuttallii subsp. gregaria Daniel Sanchez-Mata, Thomas Santamaria 2006-7-26 s.n. Siskiyou Scott Mountains, Klamath National Forest; Weed, Rail Creek Road from Gazelle-Callahan Road, Kangaroo Lake, Kangaroo Lake Botanical Area 1900 Comment
  SEINET3918846  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, o.5 mile south Dunsmuir, along U.S. Highway 99.; 0 701 Comment
  CAS-BOT-BC82104  Arnica cernua R. C. Barneby 1954-5-16 11513 Siskiyou Klamath R. [canyon] Canyon 1/2 miles below mouth of Scott River 441 Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UC34177  Arnica cordifolia Harley P. Chandler 1901-6-1 1615 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  UCD129106  Arnica cordifolia Sandy Holloway 1963-5-19 59 Siskiyou 2.5 miles west of Hawkinsville near Humbug Road. 1066 Comment
  SBBG7587  Arnica discoidea H. and M. Dearing 1939-6-19 3684 Siskiyou high up French Crk Comment
  HSC22482  Arnica diversifolia J. O. Sawyer 1969-7-24 1483 Siskiyou SW of Sugar Lake 1890 Comment
  JEPS120257  Arnica lanceolata subsp. prima Julie Kierstead Nelson 2011-9-7 2011 -47 Siskiyou Eastern Klamath Mountains, The Eddys, Headwaters of Parks Creek at base of China Mountain, NW of Caldwell Lakes Basin Comment
  CAS-BOT-BC82664  Arnica latifolia John Thomas Howell 1937-7-24 13380 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  CAS-BOT-BC82659  Arnica latifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5233 Siskiyou on road to Bolan Lake, 5 mi. from cut-off at junction with Takilma-Happy Camp road 1767 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  HSC29297  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; NE-facing slope NW above Upper English Lake 2012 Comment
  CAS-BOT-BC384653  Arnica ovata Andrew Townesmith; Karen M. Meyer 2007-7-30 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UCD77360  Artemisia douglasiana Robert E. Preston 2003-7-29 2169 Siskiyou S slope of Rainbow Mountain 1977 Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  HSC74910  Aruncus dioicus var. acuminatus J. P. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 mi. SE of Somes Bar on the road along the Salmon River Comment
  CAS-BOT-BC447714  Aruncus dioicus var. vulgaris Carl B. Wolf 1927-8-27 1139 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  RSA15586  Aruncus sylvester Carl B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  CAS-BOT-BC400697  Asarum hartwegii Doris K. Kildale 1929-5-12 7785 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  CAS-BOT-BC400699  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou On the plateau just above Shasta Springs Comment
  RSA401671B  Asclepias cordifolia J. O. Sawyer, K. Stillman 1976-5-29 2739 Siskiyou Along Specimen Creek Comment
  SEINET10580347  Asclepias cordifolia George D. Butler 1910-6-7 Butler 1531 Siskiyou Greenhorn Mountain Comment
  SEINET10637017  Asclepias fascicularis George D. Butler 1910-6-29 Butler 1613 Siskiyou Near Yreka Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  UC185224  Aspidotis densa Geo. D. Butler 1910-7-8 1670 Siskiyou Shackelford Creek Comment
  CAS-BOT-BC69594  Aspidotis densa Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake. 1706 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  UC907513  Aspidotis densa Lee Bonar 1949-4-21 Siskiyou near summit Scott Mt (along Siskiyou Co line) Comment
  RSA417705  Aster occidentalis L. C. Wheeler 1934-8-14 3130 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  POM16255  Astragalus accidens var. hendersonii E. B. Copeland 1903-7-6 3512 Siskiyou Hornbrook. Comment
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Jan 23 2011
  RSA119374  Astragalus accidens var. hendersonii S. S. Tillett 1956-7-9 670 Siskiyou Along ridge running n. from NW side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos. line, ca. 8 mi. SE of Callahan. 1951 Comment
  UC375388  Astragalus californicus Geo. D. Butler 1908-6-29 393 Siskiyou Cherry Creek Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  RSA109723  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  JEPS94893  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1998-6-11 9183 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  SEINET3127347  Astragalus purshii var. tinctus G. C. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  JEPS50864  Athyrium distentifolium var. americanum Al Hobart 1967-8-8 Siskiyou n slope of Preston Slope; westernmost Siskiyou Co 1828 Comment
  CDA23336  Atriplex triangularis R. Pederson, G. Pederson 1979-9-26 112 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  UCD97849  Atriplex truncata Verne Grant; Irving Scheider 1947-8-26 8301 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  CAS-BOT-BC106541  Balsamorhiza deltoidea Dorothy Parker 1961-4-20 825 Siskiyou Near Callahan 950 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  UCSB24056  Berberis aquifolium var. aquifolium Favero, R. 1968-3-26 Siskiyou 1 mile southwest of Hilt, near old water tank, Siskiyou Mountains 853 Comment
  HSC5012  Berberis aquifolium var. repens J. O. Sawyer 1968-7-23 578 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC75725  Berberis nervosa Doris K. Kildale 1929-7-21 8744 Siskiyou Elk Lick, South Fork of Indian Creek. 1219 Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC76010  Berberis pumila Doris K. Kildale 1929-8-24 8833 Siskiyou Preston Peak. 2228 Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  CHSC78497  Betula occidentalis Vernon H. Oswald 2000-8-28 9952 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 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
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC92953  Bistorta bistortoides Jennifer Whipple 1976-7-1 1242 Siskiyou Near Durney Lake 2073 Comment
  HSC92980  Bistorta bistortoides Jennifer Whipple 1976-7-8 1355 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC413082  Bistorta bistortoides Frank W. Gould 1940-5-14 1227 Siskiyou Bull Meadow, Goosenest Mountain 1524 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  POM31556  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka. Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UC166142  Boechera acutina Geo. D. Butler 1910-7-5 1524 Siskiyou Log Lake Shackleford Creek Comment
  JEPS60252  Boechera breweri subsp. shastaensis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2319 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Raod, on n side of McCloud River arm of Lake Shasta) 487 Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  LA204396  Boechera howellii Wm. Bridge Cooke; 1939-7-26 13773 Siskiyou Mount Shasta, along the Summit Trail below Lake Helen 2895 Comment
  CAS-BOT-BC14111  Boechera pauciflora A. A. Heller 1905-6-20 8083 Siskiyou Between Igerna and Weed. Collected near the railraod a short distance south of Weed, not many miles from Yreka. Comment
  UC1483503  Boechera pinetorum J. Sawyer and J. Cole 1980-7-21 3840 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp); Klamath National Forest, Medicine Lake Quad. 1676 Comment
  UC625509  Boechera pinetorum Frank W. Gould 1938-6-28 482 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  CAS-BOT-BC25427  Boechera retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mountain Wilderness Area. Comment
  CHSC469  Boechera retrofracta M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  SEINET3132274  Boechera retrofracta G. D. Butler 1163 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  CAS-BOT-BC25937  Boechera suffrutescens Ira L. Wiggins 1955-7-27 13534 Siskiyou Salmon-Trinity Alps Primitive Area. Caribou Lake. 2042 Comment
  CAS-BOT-BC25916  Boechera suffrutescens John Thomas Howell 1937-7-29 13632 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  POM208301  Boisduvalia densiflora var. densiflora Louis C. Wheeler 1934-6-22 2755 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  SEINET10500399  Boschniakia strobilacea Mary Susan Taylor 1980-6-23 Taylor 2944 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  UC1408831  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou inlet to Tobacco Lake Salmon Mountains, Marble Mountain Wilderness area Comment
  CAS-BOT-BC418457  Boykinia major W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  RSA211768  Brickellia californica L. C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC375191  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Salmon Range Comment
  CHSC60566  Bromus carinatus var. carinatus L. P. Janeway 1983-8-16 550 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  SEINET3921875  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-7-20 2358 Siskiyou Draining into the North Fork of the Sacramento River.; 0 2377 Comment
  HSC30593  Bromus carinatus var. marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, Crapo Meadow. 2134 Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  HSC36753  Bromus hordeaceus J. P. Smith 1974-5-25 7405 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC65265  Bromus hordeaceus J. P. Smith 1973-5-5 6396 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS94892  Bromus japonicus Vernon H. Oswald and Lowell Ahart 1998-7-21 9326 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake 1524 Comment
  RSA238370  Bromus marginatus Frederick W. Oettinger 1969-9-4 1628 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC162136  Bromus orcuttianus R. E. Frenkel 1963-7-13 229 Siskiyou On Everitt Memorial Highway 4.7 miles north of McCloud River Railroad crossing. Along both sides of road. 1545 Comment
  POM90566  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs [Siskiyou Co.?--county not indicated on specimen label] Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  CAS-BOT-BC185093  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  POM112727  Bromus rubens Geo D. Butler 1910-5-4 1270 Siskiyou Dry hill near Yreka Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  CAS-BOT-BC185603  Bromus tectorum Lewis S. Rose 1945-6-18 45075 Siskiyou Horse Creek & Klamath River. 502 Comment
  UCD59948  Bromus tectorum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3382 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC30660  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge, N slope of English Peak 2073 Comment
  RSA184644  Calamagrostis koelerioides Clare B. Hardham 1965-8-20 13052 Siskiyou Cudahy lakes, Marble Mountains; Paso Robles Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  UC139966  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou on Big Spring Creek; Sisson 1066 Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  CAS-BOT-BC488608  Calochortus elegans var. nanus Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  SEINET5052729  Calochortus macrocarpus Unknown 1995-7-1 26 Siskiyou east of Yreka; near Table Mountain Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  SBBG25936  Calochortus nudus D. Myrick 1966-8-9 1503 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  RSA275398  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the ONeill Campground near Seiad Valley. 488 Comment
  HSC4944  Caltha leptosepala J. O. Sawyer 1968-7-22 256 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS24807  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  JEPS24805  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  RSA788202  Calycadenia truncata R. L. Carr 1977-7-2 2010 Siskiyou Along Klamath River exit of I-5, 12 mi N of Yreka. 641 Comment
  POM208289  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts 762 Comment
  HSC45036  Calyptridium monospermum J. O. Sawyer 1978-6-16 3216 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  CHSC88127  Camassia quamash subsp. breviflora Jenny Marr 1993-7-1 137 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC36990  Camelina microcarpa Alice Eastwood 1923-5-22 11893 Siskiyou Sisson. Comment
  RSA48008  Camissonia contorta Roxana S. Ferris 1948-6-12 11757 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS74475  Campanula prenanthoides W. J. Ferlatte 1966-8-3 267 Siskiyou between the campground and Carter's (along the South Fork of the Salmon River); Trinity Alps, South Fork of the Salmon River 1524 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  SEINET10463395  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou Near deadfall, on the China Mountain quadrangle, close to the town of Mount Shasta 2341 Comment
  UCD66987  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  SD88346  Campanula scouleri Darley F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp. 1645 Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  CAS-BOT-BC266467  Campanula wilkinsiana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  CDA3649  Cardaria draba E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  CHSC40178  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou East-facing sloping seep below the Poker Flat/Twin Valley Trail. 1584 Comment
  CAS-BOT-BC18125  Carex athrostachya Alice Eastwood July 28 10938 Siskiyou Medicine Lake. Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC19656  Carex brainerdii John Thomas Howell 1939-8-6 15099 Siskiyou Marble Mountains. Elk Mountain. Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  SEINET7557883 Image available Carex echinata Robert F. C. Naczi 1993-7-13 3267 Siskiyou Ca 7.5 mi SE of Callahan, along W side of route 3, 0.3 mi N of Trinity Co border. 1615 Comment
  CHSC38998  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Atkin's Meadow in its NE corner. Ca 15 mi E of McCloud. Comment
  HSC86564  Carex fracta D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  CAS-BOT-BC22296  Carex hassei John Thomas Howell 1937-7-23 13334 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  UC1950133  Carex luzulina Barbara Ertter 1990-7-14 9350 Siskiyou E-facing hillside; just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  JEPS104820  Carex luzulina var. ablata Dean W. Taylor 1996-7-11 15785 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  CAS-BOT-BC31602  Carex luzulina var. ablata Wayne E. Rolle 1993-7-10 630 Siskiyou Poker Flat. 1524 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  JEPS63686  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  UC593523  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1927 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UCD140661  Carex multicaulis S. S. Tillett 1956-7-9 656 Siskiyou Siskiyou-Trinity County line: south-facing slope above Masterson Meadow, east side of Scott Mountain, around 8 mile southeast of Callahan. 1828 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CAS-BOT-BC23426  Carex multicostata John Thomas Howell 1939-8-9 15231 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  UC194548  Carex nebrascensis Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  RSA48014  Carex nebrascensis Roxana S. Ferris, Laura Lorraine s.n. Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman s [Noyes] Valley. 1204 Comment
  UC618820  Carex nigricans J. W. Stacey 1938-8-18 11484 Siskiyou in the vicinity of the springs above Horse Camp (along the summit trail); Mount Shasta, Horse Camp Springs Comment
  HSC79282  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the E Fork Scott River at Hwy. 3 bridge just E of Callahan 988 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
Read comments
Jan 23 2011
  UC1265432  Carex pachycarpa Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC195517  Carex pachystachya Geo. D. Butler 1909-6-13 806 Siskiyou Oro Fino Comment
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SEINET10817769  Carex praegracilis George D. Butler 1910-4-19 Butler 1202 Siskiyou Damp gully near Yreka. Comment
  UC1265433  Carex preslii Frederick W. Oettinger 1969-8-13 1357 Siskiyou on trail from Diamond Lake to Crapo View Gap Salmon Mountains, Marble Mountain Wilderness Area (the high lake basins in the vicinity of English Peak) 2438 Comment
  CAS-BOT-BC118213  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou Preston Peak quad, At poker Flat 1524 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  UC1265467  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou w Tom's Lake lower hole; Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  CHSC44945  Carex serratodens L. P. Janeway 1983-5-29 317 Siskiyou Drainage ditch on N side of Scott River Rd, on N side of Scott River; opposite Indian Scotty USFS campground. 762 Comment
  UCD78182  Carex serratodens Robert E. Preston 2008-5-15 2634 Siskiyou Ca. 2 mi N of Somes Bar, along Hwy 96, at Davis Creek 229 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  SEINET10847233  Carex stipata Unknown 1940-6-8 Anonymous 15121 Siskiyou In meadow in Mount Shasta City. Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC142324  Carex straminiformis Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-4 313 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  HSC30530  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Marble Mtn. Wilderness Area, between King David Peak and Abbotts Basin 1860 Comment
  HSC48042  Carex subfusca D. H. Norris 1972-6-11 22907 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  RSA173646  Carex vesicaria Geo D. Butler 1910-7-8 1666 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA238960  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Along the west shoreline of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC1265470  Carex vesicaria var. vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain wilderness area, north shoreline of Horse Range Lake; Fir Forest 1821 Comment
  HSC99730  Cassiope mertensiana K. A. Wayman 2010-8-14 263 Siskiyou Trinity Alps Wilderness, near Thompson Peak, beneath N side of Caesar Peak 2439 Comment
  UC1980222  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vincinity of English Peak. Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC22113  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-8-3 1729 Siskiyou W of Little Duck Lake 2195 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
  RSA0036076  Cassiope mertensiana subsp. ciliolata Louis Cutter Wheeler 1934-8-17 3178 Siskiyou Siskiyou Mts., North Side White Mt. 1828 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  JEPS46015  Castilleja applegatei subsp. pinetorum L. R. Heckard 1956-8-7 829 Siskiyou 10.5 mi ne Weed (along U.S. Hwy 97, n of Mt. Shasta) Comment
  RSA17663  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument. Comment
  UC164435  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain; foothills Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  UC722105  Castilleja arachnoidea C. L. Hitchcock and J. S. Martin 1939-7-9 5333 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  UC922479  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1949-7-20 5813 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  UCD122129  Castilleja arachnoidea A. H. Murphy 1958-8-6 58 -F Siskiyou Big Meadows, Marble Mts. 2346 Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  JEPS4511  Castilleja lacera Geo. D. Butler 1909-5-8 715 Siskiyou near Yreka; Butcher Hill Comment
  JEPS4513  Castilleja lacera Geo. D. Butler 1909-6-20 932 a Siskiyou near Yreka; Upper Portugese Ditch Comment
  SJSU11530  Castilleja lacera M. D. Fleschner 1965-7-9 Siskiyou 4 mi W of Deadhorse Summit on Hwy 89 c. 3 mi SE of Bartle 1158 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  UC725309  Castilleja miniata A. A. Heller 1940-7-24 15751 Siskiyou outlet of Castle Lake Comment
  HSC61493  Castilleja miniata Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC65009  Castilleja miniata D. L. Goforth 1979-7-19 271 Siskiyou Caribou Lakes Basin, 1 km. S of Upper Lake 2195 Comment
  POM42531  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou [?] Valley. Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  CAS-BOT-BC241050  Castilleja pilosa L. E. Smith 1913-5-27 282 Siskiyou Weed Comment
  UC164321  Castilleja pruinosa Geo. D. Butler 1910-5-23 1387 Siskiyou Humbug Mountain Comment
  HSC76868  Castilleja pruinosa K. T. Stillman 1976-9-9 469 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CDA41391  Castilleja tenuis Vernon H. Oswald & Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  RSA0039346  Ceanothus John F. Emmel 1993-7-28 1280 Siskiyou Northwest Trinity Alps; China Gulch trailhead, 1.0 air mile NNE of China Spring, ca. 6 air miles SSE of Cecilville. 1341 Comment
  UCD111994  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Siskiyou Along Highway 89, 0.5 mile east of South Mount Shasta Blvd., south of Mount Shasta. 1066 Comment
  LA43618  Ceanothus integerrimus W. B. C.; 1940-6-6 15030 Siskiyou along Castle Lake rd. in brush fields about 0.5 way from Box Canyon to the Lake Comment
  CAS-BOT-BC50691  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1923-5-20 11869 Siskiyou Shasta Springs Comment
  CAS-BOT-BC52117  Ceanothus prostratus Milo S. Baker; Douglas Barbe 1955-7-28 310 Siskiyou 1 mile west of Scott Mtn Forest Camp, near the Siskiyou-Trinity County line 1676 Comment
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  CDA35686  Ceanothus prostratus T. C. Fuller 1962-6-11 8949 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  UC163662  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  JEPS83631  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou US Forest Svc Rd 47N01 ca 0.5 mi n of bridge over W Fork (Jaynes Cyn below confluence of Jaynes Crk and W Fork of Beaver Crk, nw of Klamath River (town), Jaynes Cyn..); below confl Jaynes Crk and W Fork Beaver Crk, Jaynes Cyn dra 987 Comment
  CAS-BOT-BC63200  Ceanothus velutinus Alice Eastwood 1921-7-28 10890 Siskiyou Little Mt. Hoffman. Comment
  HSC30669  Ceanothus velutinus Frederick W. Oettinger, R. F. Thorne 1969-8-6 1228 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA238028  Ceanothus velutinus Frederick W. Oettinger 1967-8-26 323 Siskiyou English Peak near the summit and covering a small solid area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UCD112765  Ceanothus velutinus Roman Gankin; Richard Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and Cecilville. 1706 Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  HSC64657  Ceanothus velutinus var. velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  UC452667  Ceanothus velutinus var. velutinus Annie M. Alexander and L. Kellogg 1911-6-28 198 Siskiyou Wildcat Park Comment
  CDA42292  Centaurea maculosa Steelman 1996-7-1 Siskiyou Mott Road exit from I-5, north of Dunsmuir. 0 Comment
  RSA170310  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  HSC71542  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-15 3948 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC165261  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  HSC18572  Cercocarpus ledifolius D. M. Thomson 1965-7-10 122 Siskiyou California Lava Beds National Monument, by Information Center parking lot Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA59495  Cercocarpus ledifolius E. K. Balls 1950-5-16 14705 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  CHSC36164  Cercocarpus ledifolius var. ledifolius K. Bridwell 1978-7-7 176 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1615 Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC276777  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  HSC253  Chaenactis douglasii var. douglasii William J. Ferlatte 1967-8-23 1086 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  CAS-BOT-BC276779  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou Fell fields, W side of Mud Creek Canyon, Mount Shasta 3048 Comment
  CAS-BOT-BC106032  Chaenactis suffrutescens Lester Rowntree 1937-8-5 s.n. Siskiyou Etna Mills & Fort Jones Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CHSC83136  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. At edge of Kidder Creek. Comment
  CHSC98916  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9130 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along Road 44N53 0.6 km north of Cinder Butte. 1731 Comment
  SEINET515846  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  CHSC64  Chamaecyparis lawsoniana K. Jaekel 1939-7-1 Siskiyou Near Dunsmuir. 609 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC165981  Chamerion angustifolium L. R. Short 1933-8-7 114 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  CAS-BOT-BC68236  Cheilanthes gracillima W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC68246  Cheilanthes gracillima Doris K. Kildale 1929-7-20 8579 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  SEINET3166359  Cheilanthes gracillima P. J. Alexander 2009-4-7 992 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  CAS-BOT-BC68217  Cheilanthes gracillima Volney Rattan 1884-6-19 s.n. Siskiyou Black Butte Comment
  UC163671  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou along creek near Yreka Comment
  JEPS59720  Chenopodium foliosum Willis L. Jepson 1894-8-1 14861 Siskiyou Sisson Mt. Shasta Comment
  RSA478563  Chenopodium rubrum L. C. Wheeler 1934-10-21 3338 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 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
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  UC722298  Chimaphila umbellata C. L. Hitchcock and J. S. Martin 1939-7-8 5300 Siskiyou ca. 15 mi. n. Happy Camp (on Happy Camp-Takilma Hwy.) 914 Comment
  POM230559  Chimaphila umbellata subsp. occidentalis J. T. Howell 1937-7-26 13559 Siskiyou Caribou Gulch. Comment
  RSA238333  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 1968-8-7 440 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC497626  Chlorogalum angustifolium Lewis S. Rose 1945-6-22 45178 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC36388  Chrysolepis chrysophylla H. E. Brown 1897-7-15 588 Siskiyou South side of Mt. Shasta 3048 Comment
  CAS-BOT-BC36235  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  CAS-BOT-BC36245  Chrysolepis sempervirens Geo. B. Grant 1902-9-8 s.n. Siskiyou Mount Shasta, Horse Camp Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC165412  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goose Nest foothills Goose Nest 1524 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  CAS-BOT-BC285349  Cirsium andersonii L. S. Smith 1913-8-30 536 Siskiyou Mount Eddy Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  CDA1134  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -B Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CAS-BOT-BC278050  Cirsium cymosum A. A. Heller 1905-6-22 s.n. Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC278055  Cirsium cymosum Alice Eastwood; John Thomas Howell 1934-4-20 1738 Siskiyou 5 miles n. of Yreka Comment
  OBI54129  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  SEINET10808345  Cirsium occidentale var. candidissimum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 360 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  SEINET8198345 Image available Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca. 1 mile North from Carter Meadow Summit (8 miles Southwest of Callahan) 1981 Comment
  CAS-BOT-BC286462  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228972  Cistanthe umbellata A. A. Heller 1922-7-15 13695 Siskiyou At Medicine Lake 2133 Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  HSC43856  Clarkia gracilis Maralyn O'Meara 1974-5-25 376 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 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
  POM208257  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1934-6-2 2610 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC164966  Clarkia rhomboidea H. A. Thomas; J. H. Thomas 1954-7-27 4554 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  RSA448345  Clarkia rhomboidea Louis C. Wheeler 1934-6-2 2611 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM101840  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  HSC48274  Claytonia lanceolata P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  SEINET5336363  Claytonia parviflora subsp. parviflora G. Butler 1910-5-8 1305 Siskiyou Damp shaded soil near Yreka Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC443819  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  CAS-BOT-BC443817  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-6-24 11063 Siskiyou Mount Shasta. MacBride [McBride] Springs Comment
  UC164297  Claytonia sibirica Geo. D. Butler 1909-7-15 964 Siskiyou Highland Mine Comment
  HSC29435  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Marble Mtn. Wilderness Area, at Tom Taylor Cabin 2049 Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA120217  Clintonia uniflora S. S. Tillett 1956-7-11 691 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  RSA593952  Clintonia uniflora Louis C. Wheeler 1963-8-29 8305 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  CAS-BOT-BC500961  Clintonia uniflora Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp near Oregon-California Line Comment
  RSA237956  Clintonia uniflora Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1277 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; at southeast end of English Lake. 1768 Comment
  UCD139629  Clintonia uniflora J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  RSA181625  Cnicus benedictus Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 851 Comment
  HSC72580  Collinsia greenei J. P. Smith 1976-5-5 8681 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS6205  Collinsia linearis W. L. Jepson 1907-7-9 2864 Siskiyou Cottage Grove; Klamath River Comment
  UC1483552  Collinsia parviflora Maralyn A. Renner 1980-6-7 791 Siskiyou n of Greenhorn Road (Klamath National Forest); Klamath National Forest 1097 Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  HSC46338  Collomia grandiflora J. P. Smith, Steve Selva 1970-6-15 3940 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS71023  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  RSA120857A  Collomia grandiflora G. D. Barbe 1957-7-13 377 Siskiyou Big Flat Public Camp, Klamath National Forest. Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  JEPS125863  Collomia tracyi Dean W. Taylor 1996-7-10 15772 Siskiyou Hayden Ridge; watershed divide of Scott Valley and Noyes Valley, about 10 air miles E of Etna Comment
  UCR94143  Conium maculatum N. F. McBain, N. A. Alexander, J. A. Alexander 1995-6-30 411 Siskiyou Shasta Valley, near Grenada, on Montague-Grenada Rd. 2 mi. north of US Hwy 97 cutoff. 762 Comment
  UC1190177  Corallorhiza maculata Ira L. Wiggins 1955-7-24 13491 Siskiyou ridge betw. upper reaches of China Creek and upper reaches of Blind Horse Creek 1508 Comment
  HSC23624  Corallorhiza maculata J. O. Sawyer 1970-7-3 2314 Siskiyou Plot 321 1402 Comment
  RSA381986  Corallorhiza maculata Louis C. Wheeler 1934-6-4 2639 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  RSA0006005  Cordylanthus pallescens Francis W. Pennell 1940-7-18 26184 Siskiyou 2-3 mi. north of Mt. Shasta City. 1159 Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 Comment
  CHSC105575  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road, a few along the road and most in a clearing north of and visible from the road. Lat. and Long. indicated +/- 33 feet. 996 Comment
  CHSC28795  Cordylanthus tenuis subsp. viscidus J. D. Jokerst 1978-9-2 152 Siskiyou Area several miles w of Weed. Comment
  JEPS57502  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2124 Siskiyou 13 1/2 mi w Shasta County Line (5 1/2 mi w of Medicine Lake junction, along Hwy 89) 1066 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  SEINET10739246  Cornus glabrata Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212272  Cornus glabrata A. A. Heller 1922-6-22 13666 Siskiyou Along the Pacific Highway on a stream bank on the slope of the siskiyou Mountains near the Oregon line. Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  SBBG15786  Cornus nuttallii D. Myrick 1961-6-21 300 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  CAS-BOT-BC210391  Cornus sericea Edward Lee 1934-8-13 1072 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS50142  Cornus sericea subsp. sericea Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou region of Upper Sacramento, Sisson region Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC180199  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-10 3296 Siskiyou along Indian Creek Road, 18.1 miles NW of Happy Camp, Siskiyou Mountains 1280 Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS107477  Crepis bakeri Lowell Ahart, John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC346588  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  JEPS36497  Crepis monticola Duncan Dunning 1922-6-8 Siskiyou nw Fort Jones; Moffett Creek Comment
  UC581262  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-13 1973 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1180 Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  UC581286  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1937 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  JEPS36407  Crepis occidentalis W. L. Jepson 1940-6-23 19981 Siskiyou hillslope e Montague 822 Comment
  UC1408879  Crepis occidentalis F. W. Oettinger 1969-8-15 1385 Siskiyou dry meadow w Upper English Lake; Salmon Mts., English Peak region 1783 Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 Comment
  UC91844  Crepis occidentalis T. S. Brandegee Siskiyou Ager Comment
  HSC36780  Crepis occidentalis subsp. pumila J. P. Smith 1974-5-25 7409 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC290877  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UCD130980  Crepis pleurocarpa J. M. Tucker; L. K. Mann 1963-8-18 3762 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC290879  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  UC581271  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2434 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  UC581273  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2437 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  UC54009  Crocidium multicaule W. T. Mooney 1903-4-1 Siskiyou Yreka Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  HSC29342  Cryptantha affinis Frederick W. Oettinger 1969-8-6 1229 Siskiyou Marble Mtn. Wilderness Area, between large rocks on S side of Pine Lake 1921 Comment
  CHSC97392  Cryptantha ambigua Jenny Marr 2006-6-18 228 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 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
  HSC36748  Cryptantha torreyana J. P. Smith 1974-5-25 7393 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  SEINET6166400 Image available Cryptogramma crispa subsp. acrostichoides W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  JEPS39746  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava beds, SE Siskiyou Co., W of Little Hot Springs Valley 1036 Comment
  RSA352345  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  RSA28202  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava Beds 1037 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  CAS-BOT-BC224418  Cuscuta californica Copeland 1903-7-6 3498 Siskiyou Hornbrook Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  CHSC65214  Cymopterus terebinthinus var. californicus Julie Kierstead 1991-4-23 91004 Siskiyou Mt. Shasta Ranger District. North side of Mt. Shasta, north of Hwy. 97, 2 mi. SW of Haystack Rock. 1066 Comment
  UC1950079  Cymopterus terebinthinus var. californicus Barbara Ertter with Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 97 NE of Weed Comment
  CAS-BOT-BC114151  Cyperus squarrosus Carl B. Wolf 1927-8-26 993 Siskiyou On the Klamath River, 5 mi below Hornbrook. Comment
  RSA382006  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC39936  Cypripedium montanum J. O. Sawyer 1970-6-17 2201 Siskiyou N slopes of Eaton Peak 1524 Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19007  Cystopteris fragilis J. O. Sawyer 1969-7-16 1117 Siskiyou NE facing slope above Siphon Lake 2226 Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET10515546  Dactylis glomerata Louis C. Wheeler 1935-6-30 Wheeler 3626 Siskiyou Dry roadside ditch. 3 miles S Yreka. Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  HSC30539  Danthonia californica Frederick W. Oettinger 1969-9-4 1657 Siskiyou Marble Mtn. Wilderness Area, Hancock Lake. 1890 Comment
  CAS-BOT-BC192260  Danthonia californica W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  RSA239125  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC19078  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-2 1703 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS128472  Danthonia unispicata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -030 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  RSA593953  Darlingtonia californica Louis C. Wheeler 1963-8-29 8303 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1433 Comment
  RSA624980  Darlingtonia californica Louis C. Wheeler 1963-8-25 8267 Siskiyou South slope of Preston Peak: Near Rattlesnake Meadow. 1585 Comment
  UCD119065  Darlingtonia californica A. H. Murphy 1956-8-16 56 T Siskiyou Klamath N.F. 1981 Comment
  CAS-BOT-BC76229  Darlingtonia californica W. R. Dudley 1899-8-26 s.n. Siskiyou Near upper Sacramento. Comment
  SEINET12007447  Darlingtonia californica H. M. Hall, Babcock, E. B. 4042 Siskiyou Sierra Nevada Mountains, 18th crossing Sacramento River, near Sisson, Transition Zone, Mt. Shasta Comment
  CAS-BOT-BC141829  Dasiphora fruticosa John Thomas Howell 1939-8-8 15172 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC141830  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CAS-BOT-BC141835  Dasiphora fruticosa L. E. Smith 1913-9-1 553 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC141838  Dasiphora fruticosa Alice Eastwood 1912-8-30 2025 Siskiyou Summit, Mount Eddy 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
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC1191432  Delphinium Herbert L. Mason 1948-7-18 13626 Siskiyou Grass Lake Comment
  CAS-BOT-BC9569  Delphinium antoninum Thomas H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1524 Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  SBBG25946  Delphinium glaucum D. Myrick 1966-8-10 1517 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA0125557  Delphinium glaucum Gilbert Muth 1969-8-11 1365 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC10132  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1390 Siskiyou Summit of Scott Mtn. 1630 Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC192467  Deschampsia cespitosa subsp. cespitosa W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  JEPS117870  Deschampsia cespitosa subsp. cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River 2118 Comment
  RSA239127  Deschampsia cespitosa subsp. cespitosa Frederick W. Oettinger 1969-8-11 1491 Siskiyou [meadow] near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  CAS-BOT-BC201946  Deschampsia elongata Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC86561  Deschampsia elongata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
Read comments
Mar 22 2012
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  HSC44857  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6536 Siskiyou Scott Bar along the Scott River Comment
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC291006  Dieteria canescens var. shastensis A. A. Heller 1920-8-12 13521 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  JEPS81794  Dieteria canescens var. shastensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6786 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everett Memorial Highway, at sw base of mt.); Mt. Shasta 1219 Comment
  JEPS94734  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1998-9-8 9611 Siskiyou junction of USFS 3 and 24 2.5 mi w-sw of Hambone Butte (30 air mi n of Burney); junction of USFS 3 and 24 1310 Comment
  JEPS90949  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9250 Siskiyou Lava Beds National Monument, Caldwell Butte, at northern interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  RSA502324  Dimeresia howellii D. W. Taylor, Glenn Clifton, Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior. 1500 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  HSC9646  Distichlis spicata R. C. Wunner 1965-7-4 339 Siskiyou Lava Beds National Monument: E side of Petroglyphs, near old shoreline of Tule Lake. 1220 Comment
  CDA31684  Distichlis spicata var. stricta J. Schieber 1967-8-23 Siskiyou Westside Grocery, Stateline Rd., Tukelake area. 0 Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  HSC92948  Dodecatheon alpinum Jennifer Whipple 1977-7-20 1985 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC1409477  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins in the vicinity English Peak (Bear Meadow spring, midway between Tom Taylor Cabin and English Peak summit, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  UC165293  Dodecatheon hendersonii Geo. D. Butler 1910-4-23 1230 Siskiyou Quartz Valley Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CHSC118450  Dodecatheon jeffreyi Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -028 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  RSA760361  Dodecatheon jeffreyi Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63377 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  SEINET8563813  Dodecatheon redolens G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake, Shackleford Creek Comment
  UC1520669  Downingia bacigalupii Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9449 Siskiyou 13.3 mi ssw Macdoel (U.S. Highway 97) Comment
  JEPS24764  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou just n bridge over Sacramento River (about 300 ft off Highway 99, at the n end of Lake Shasta (Antler Resort Area)); Lake Shasta, Antler Resort Area 396 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  POM93801  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou Yreka Comment
  CAS-BOT-BC41307  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  UC1114140  Draba verna Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 231 Siskiyou on the road to Callahan 7.8 mi from Gazelle (at the point where the road first crosses Willow Creek); Willow Creek, 7.8 mi from Gazelle 1066 Comment
  UC165264  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Creek Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC31284  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-15 526 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, E side of Hancock Lake 1921 Comment
  CAS-BOT-BC159293  Drymocallis lactea var. lactea John Thomas Howell 1939-8-2 14940 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC29656  Drymocallis rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1209 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake trail 1677 Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  CHSC97393  Eleocharis bella Jenny Marr 2006-6-18 229 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  CHSC69098  Eleocharis engelmannii var. detonsa Vernon Oswald; Lowell Ahart 1997-7-28 8808 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  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
  JEPS107385  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC227131  Elymus X hansenii Geo. D. Butler 1910-5-4 1278 Siskiyou Near Yreka Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  UC1024702  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-21 2142 Siskiyou 2 mi se Tennant 1463 Comment
  UC1024792  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-29 2231 Siskiyou Tennant 1524 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC102707  Elymus elymoides var. californicus J. P. Smith 2013-6-17 13740 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  HSC26575  Elymus elymoides var. californicus J. P. Smith 1972-8-17 5748 Siskiyou Medicine Lake 2012 Comment
  HSC30695  Elymus elymoides var. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou The High Lake Basins, at junction of trials to English Peak and Uncle's Lake, Marble Mtn. wilderness area. 2165 Comment
  CAS-BOT-BC235222  Elymus multisetus H. A. Thomas; J. H. Thomas 1954-7-21 4409 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CHSC88365  Elymus multisetus Jenny Marr 1993-7-1 171 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC26926  Epilobium brachycarpum J. P. Smith, J. O. Sawyer 1971-9-18 4849 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  HSC19494  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1906 Siskiyou Above S Sugar Lake 2043 Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC29132  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger, R. F. Thorne 1969-8-5 1201 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail to Abbotts 1677 Comment
  UC164342  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-2 159 Siskiyou below Bottom's Camp; Shackleford Creek Comment
  UCD77622  Epilobium ciliatum subsp. glandulosum Robert E. Preston 2001-7-20 1696 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1755 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  UC637165  Epilobium densiflorum Edward Lee 1934-8-10 1017 Siskiyou s bank of river between McKinney Creek and Parkerhouse Creek; Klamath River 609 Comment
  UCD80891  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2001-6-23 1585 Siskiyou Klamath National Forest, N slope of Rainbow Mountain, at Hemlock Lake. 1889 Comment
  UC873374  Epilobium glaberrimum subsp. glaberrimum Alice Eastwood 1912-7-16 1065 Siskiyou McCloud Comment
  HSC82257  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6175 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  SD211642  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 miles west of Mt. Shasta City. 1829 Comment
  SBBG25889  Epilobium oreganum D. Myrick 1966-8-8 1490 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CAS-BOT-BC171862  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. 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
  SEINET192292 Image available Equisetum hyemale W. B. Cooke 1941-8-28 16227 Siskiyou Near the Big Squaw Valley Creek spring above McCloud Mt Shasta 1464 Comment
  HSC46005  Equisetum hyemale subsp. affine J. P. Smith, Steve Selva 1970-7-16 4390 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  CAS-BOT-BC94419  Eremogone congesta R. C. Wenk 2005-7-15 237 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  CHSC30758  Ericameria bloomeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  OBI5766  Ericameria bloomeri Carl B. Wolf 1931-9-2 5766 Siskiyou On road to McCloud, 1/2 mi above jctn with Pacific hwy 1097 Comment
  UC134300  Ericameria bloomeri unknown Siskiyou near timberline Sisson Comment
  UC598531  Ericameria bloomeri C. Hart Merriam 1898-8-14 16 Siskiyou Mt. Shasta 1524 Comment
  RSA90623  Ericameria bloomeri F. W. Peirson 1923-7-19 3890 Siskiyou Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC298253  Ericameria nauseosa var. oreophila Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
  JEPS117569  Ericameria nauseosa var. oreophila 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  SD60211  Ericameria parryi var. latior A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  CAS-BOT-BC376590  Erigeron aliceae Andrew Townesmith; Karen M. Meyer 2007-8-1 884 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) 1983 Comment
  JEPS25652  Erigeron aliceae Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7294 Siskiyou above meadow at Poker Flat 1536 Comment
  HSC44241  Erigeron bloomeri var. bloomeri M. A. Baker 1977-5-22 324 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC1409460  Erigeron cervinus F. W. Oettinger 1969-7-28 1080 Siskiyou nw of and above Upper English Lake; Salmon Mts., English Peak, Red Fir Forest 2011 Comment
  UC1540130  Erigeron compositus Dean W. Taylor 1987-6-26 9072 Siskiyou 2 mi w Medicine Lake; Little Mount Hoffman 2209 Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  SEINET516160  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou Dry Lake on the south side of Rennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC29236  Erigeron glacialis var. glacialis Frederick W. Oettinger 1968-8-23 609 Siskiyou Marble Mtn. Wilderness Area, flats between the rocky ridges on Shasta Ridge, due SE of Diamond Lake 2043 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC295385  Erigeron inornatus A. A. Heller 1914-8-25 11717 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  CAS-BOT-BC295388  Erigeron inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  UCD131990  Erigeron inornatus R. Tofsrud; J. M. Tucker 1948-8-2 1755 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  HSC2323  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mtn. 1067 Comment
  UC468824  Erigeron inornatus var. inornatus W. A. Setchell, C. C. Dobie 1902-7-2 Siskiyou Sisson Mount Shasta, Sisson Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS41494  Erigeron klamathensis W. L. Jepson 2071 Siskiyou rocky cliffs on the knife's edge the ridge; Western Siskiyou, Devil's Backbone Comment
  CAS-BOT-BC295807  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt Eddy 2286 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  CAS-BOT-BC295812  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2438 Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CDA34233  Eriodictyon californicum Jim Rea 2010-7-6 PDR# 1414046 Siskiyou Yreka, Quail Run near Schulmeyer Road. 0 Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  HSC70316  Eriodictyon californicum M. A. Baker 1980-6-20 2212 Siskiyou Near Bald Mtn. 1036 Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  CHSC110662  Eriogonum Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -056 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain. Rd. 42N19 Sec. 30.; ca. 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  CAS-BOT-BC248781  Eriogonum baileyi var. baileyi Wm. Bridge Cooke 1949-8-26 25650 Siskiyou Above Bolam Station, Mount Shasta Comment
  RSA237770  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Diamond Lake spillway on way to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  SEINET4855037  Eriogonum diclinum Louis C. Wheeler 1934-9-1 75542 Siskiyou Klamath Forest, Jaynes Canyon. 1951 Comment
  RSA423109  Eriogonum douglasii var. douglasii M. B. Dunkle 1945-1 9324 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  RSA0004994  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou Dry land near Yreka. Comment
  UC1324596  Eriogonum hirtiflorum W. B. and V. G. Cooke 1966-7-16 37214 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA19311  Eriogonum marifolium L. S. Rose 1937-7-25 37588 Siskiyou South slope of Mt. Shasta. 1768 Comment
  SD23788  Eriogonum marifolium Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mt. Shasta, lava flats 2438 Comment
  UC618611  Eriogonum marifolium Susan Stokes 1938-8-21 11543 Siskiyou Horse Camp Flats Mount Shasta, Horse Camp Flats 2438 Comment
  HSC12265  Eriogonum marifolium Richard Spjut 1970-7-22 870 Siskiyou N Warner Mtns. on Mt. Shasta by ski lodge 2591 Comment
  CAS-BOT-BC263184  Eriogonum marifolium var. cupulatum John Thomas Howell 1934-7-4 12395 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC67822  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3771 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CAS-BOT-BC261618  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  CAS-BOT-BC261615  Eriogonum nudum var. nudum Gilbert Muth 1965-8-10 s.n. Siskiyou Through Marble Valley & ridges Comment
  CAS-BOT-BC261676  Eriogonum nudum var. nudum Milo S. Baker 1926-7-17 63 -'26 Siskiyou Summit S. Fork Mt. 5 mi. N. of Highway Comment
  SDSU6774  Eriogonum nudum var. oblongifolium D. F. Howe 1961-8-3 3132 Siskiyou 20.3 miles east of Happy Camp on #96. 549 Comment
  HSC43065  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-7-17 4422 Siskiyou Along Klamath River Comment
  HSC17337  Eriogonum ovalifolium var. ovalifolium R. C. Wunner 1965-7-9 373 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  SEINET10623859 Image available Eriogonum siskiyouense Edward L. Greene 1876-8-22 Greene 1002 Siskiyou Scott Mountain. 2743 Comment
  POM105606  Eriogonum sphaerocephalum Geo. D. Butler 1910-6-21 1597 Siskiyou Dry hill. Yreka. Comment
  RSA126681  Eriogonum sphaerocephalum Peter H. Raven 1957-9-4 10375 Siskiyou Slope of metamorphic rocks, Sacromento-Trinity Pass south of Mout Eddy. 2256 Comment
  CAS-BOT-BC262731  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  HSC17426  Eriogonum strictum var. anserinum R. C. Wunner 1965-6-7 127 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  UC849749  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou n slope of Scott Mountains Scott Mountains 1676 Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC124189  Eriogonum umbellatum var. argus J. L. Reveal; Mark Lee Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01) 2042 Comment
  HSC98382  Eriogonum umbellatum var. argus J. O. Sawyer 1968-7-23 582 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  RSA237774  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou Near English Peak Lookout. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt. Wilderness Area. 2210 Comment
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  UC609330  Eriogonum umbellatum var. argus Eleanor Burks Hart 1938-8-15 925 Siskiyou Upper Wright Lake 2225 Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  HSC34660  Eriogonum umbellatum var. humistratum Thomas W. Nelson, J. O. Sawyer 1974-10-29 1744 Siskiyou Cirque of Little Duck Lake, rim of lake Comment
  UC195252  Eriogonum umbellatum var. humistratum Annie M. Alexander and Louise Kellogg 1911-8-14 322 Siskiyou Mt. Eddy Comment
  JEPS94877  Eriogonum umbellatum var. modocense Vernon H. Oswald and Lowell Ahart 1998-7-21 9320 Siskiyou ne of Weed (Highway 97 at the 11.0 Mile Marker, 1.2 mi w of A12); Highway 97 at the 11.0 Mile Marker 1188 Comment
  SBBG14884  Eriogonum umbellatum var. polyanthum A. I. Richardson 1961-6-8 17 Siskiyou near Big Springs Rd N of jct with Hwy 97 914 Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC301122  Eriophyllum lanatum var. achilleoides Alice Eastwood 1912-8-30 1966 Siskiyou Mount Eddy Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS29199  Eriophyllum lanatum var. lanceolatum Lauramay T. Dempster 1961-7-1 1826 Siskiyou along ridge from Condry Mountain to White Mountain Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA240058  Erodium cicutarium Frederick W. Oettinger 1969-8-10 1329 Siskiyou Fort Jones. Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  HSC6754  Erysimum capitatum var. purshii R. C. Wunner 1965-6-10 139 Siskiyou California Lava Beds National Monument, E side of Caldwell Butte above Caldwell Minor 1463 Comment
  POM109641  Erythronium grandiflorum subsp. grandiflorum Geo D. Butler 1910-7-9 1715 Siskiyou Marble Mountain. 1829 Comment
  JEPS96994  Erythronium grandiflorum var. pallidum Dean W. Taylor 1999-6-10 17254 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  JEPS82706  Erythronium klamathense Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake) 1981 Comment
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Mar 5 2007
  CAS-BOT-BC403687  Eschscholzia californica W. B. Cooke; V. G. Cooke; Ed. Stuhl 1961-1-1 s.n. Siskiyou Along Snowline Road, Mount Shasta 1219 Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  CHSC32942  Euonymus occidentalis J. P. Smith; Steve Selva 1970-6-16 4089 Siskiyou 7 miles west of Sawyers Bar on road to Forks of Salmon; roadside seep. Comment
  HSC42938  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-7-1 2772 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS51868  Euphorbia crenulata Geo. D. Butler 1909-4-28 909 Siskiyou Cherry Creek Comment
  JEPS24018  Euthamia occidentalis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6879 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  POM56242  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  CHSC118611  Festuca arundinacea Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016014 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  CAS-BOT-BC278720  Festuca idahoensis Wm. Bridge Cooke 1938-7-15 11217 Siskiyou Mount Shasta. Above Bear Spring Comment
  CAS-BOT-BC278725  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278737  Festuca idahoensis Elmer I. Applegate 1935-6-8 9436 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCD37078  Festuca occidentalis Beecher Crampton 1956-8-21 3811 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC165842  Festuca pratensis Geo. D. Butler 1910-7-4 1636 Siskiyou Goosenest foothills Goosenest 1219 Comment
  UCD66288  Festuca roemeri Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  CAS-BOT-BC279072  Festuca rubra Annie M. Alexander; Louise Kellogg 1949-7-22 5844 Siskiyou Top of ridge, trail to Kings Castle at 6800 feet. Paradise Lake, Marble Mountains 1920 Comment
  CHSC93737  Festuca rubra Barbara L. Wilson; Richard Brainerd 2003-6-17 10913 Siskiyou On road 41N14 in the Klamath National Forest, on west side of road 0.9 miles north of Road 1C02 (from Callahan toward Cecilville). 1127 Comment
  CAS-BOT-BC278641  Festuca subulata Doris K. Kildale 1928-7-3 5453 Siskiyou Little North Fork, Salmon River on road from Forks of Salmon to Sawyers Comment
  HSC36713  Fragaria vesca Brent Whitely 1975-7-3 135 Siskiyou 1220 Comment
  CAS-BOT-BC457571  Fragaria vesca subsp. californica Clarence R. Quick 1959-6-19 59 - 21 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC61650  Fragaria virginiana subsp. platypetala Geo. B. Grant Sep 1902 5196 Siskiyou Sisson; Mount Shasta 914 Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  RSA215599  Frasera speciosa Gilbert Muth 1969-8-7 1232 Siskiyou East side of Boulder Peak Ridge. 2500 Comment
  RSA134341  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi NW from Forks along Salmon River, Sawyers Bar to Somesbar. 366 Comment
  UC909365  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou 0.3 mi w of Carmen Lake 1706 Comment
  HSC46049  Fritillaria recurva Maralyn O'Meara 1974-5-25 428 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UCR104584  Galium aparine J. A. Alexander, F. N. McBain, N. A. Alexander 1996-3-31 484 Siskiyou Along an old road on the north side of Pioneer Bridge, California Highway 263, Shasta River Canyon, Shasta River 1000 Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  JEPS26667  Galium bolanderi Lauramay T. Dempster 1961-7-3 1876 Siskiyou se Callahan (w face of mt.); Scott Mtn. Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS105027  Galium grayanum var. grayanum Dean W. Taylor 1996-7-7 15811 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  HSC82477  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4797 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  HSC60826  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp); in Young's Valley 1159 Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  HSC100301  Garrya elliptica J. P. Smith, & J. O. Sawyer 2011-6-25 13265 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  JEPS51841  Garrya fremontii Geo. D. Butler 1908-7-4 39 Siskiyou near Reeder's (Shasta River); Shasta River Comment
  UC165291  Garrya fremontii Geo. D. Butler 1908-8-5 40 Siskiyou below Cold Spring (on West Fork of Wooley Creek); West Fork of Wooley Creek Comment
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Nov 25 2011
  UC903492  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou Plowman's Valley 1219 Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  HSC38129  Gaultheria humifusa J. O. Sawyer 1976-10-23 2826 Siskiyou W of Little Duck Lake Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  RSA262517  Gaultheria ovatifolia J. M. Tucker, D. V. Hemphill, A. O. Tucker 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1799 Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  RSA374499  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA237850  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-18 1431 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 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
  HSC19491  Gayophytum ramosissimum J. O. Sawyer 1969-6-12 993 Siskiyou On trail to Duck Lakes 1890 Comment
  UC1360457  Gentiana calycosa J. M. Tucker and L. K. Mann 1963-8-18 3746 Siskiyou open sunny slope ca 1/2 mi ne Marble Valley Guard Station; Marble Mountain Wilderness area, Upper Canyon Creek 1920 Comment
  UC1540144  Gentiana calycosa Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing Tate Creek; headwaters McCloud River drainage 1484 Comment
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET8408405  Gentiana calycosa Frank Callahan 2007-9-21 GC- 10 Siskiyou southeast slope of Boulder Peak. 2530 Comment
  HSC41060  Gentiana newberryi J. O. Sawyer 1969-8-17 1972 Siskiyou W of Little Duck Lake 2012 Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA238866  Gentiana plurisetosa Frederick W. Oettinger 1968-8-17 562 Siskiyou Bear Meadow, mid-way between Tom Taylor Cabin and English Peak Lookout. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS47061  Gentianopsis simplex W. L. Jepson July 1894 14648 Siskiyou Sisson near Mt. Shasta; Sisson Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  SBBG30525  Geum macrophyllum var. perincisum D. Myrick 1968-6-27 2038 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  CAS-BOT-BC143592  Geum triflorum Dorothy Parker 1948-7-11 96 Siskiyou Sam's Neck, near Dorris 1371 Comment
  HSC49902  Gilia capitata subsp. capitata Maralyn O'Meara 1974-5-25 437 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC52440  Gilia capitata subsp. capitata W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Comment
  NY214735  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  HSC69440  Glyceria elata John S. Palmer 1980-8-13 791 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  CDA28233  Glyceria elata T. C. Fuller 1975-10-23 20114 Siskiyou North side of Klamath River Hwy, Hwy 96, 1 mile west of Happy Camp. 0 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  SEINET6836555 Image available Glyceria striata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  UC204798  Glyceria striata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC302668  Gnaphalium palustre Alice Eastwood 1921-7-25 10813 Siskiyou Bigelows, McCloud River Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  HSC19435  Goodyera oblongifolia J. O. Sawyer 1969-8-11 2004 Siskiyou Along S French Creek 1692 Comment
  UC1177928  Hackelia californica Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou slopes of Everitt Hill (on road to Everitt Hill, 3.5 mi e of junction with Highway 89-99) 1447 Comment
  UCD18306  Hackelia californica Joe Ditomaso 2001-6-12 s.n. Siskiyou Buck Mtn., near McCloud, off Pilgrim Creek Rd. 1828 Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC504595  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  CAS-BOT-BC504598  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC302457  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  HSC62598  Helenium bigelovii Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS25664  Helenium bigelovii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7307 Siskiyou just e Del Norte County line (4 airline mi nne of Preston Peak, watershed of Indian Creek); Siskiyou Mts., Twin Valley 1493 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  RSA696014  Helenium bigelovii Barbara Ertter, Julie Kierstead, James Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 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
  UCD132732  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River). Comment
  POM359825  Helianthella californica var. nevadensis Christopher Davidson 1975-6-5 2678 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  POM211774  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  HSC68505  Hemizonella minima Maralyn A. Renner 1980-6-22 921 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  JEPS88984  Hemizonella minima Steve Morrell 1994-6-30 Siskiyou on Rd. 43N03 1/4 mi w Military Pass Road (43N19) (0.4 mi s of Hwy 97); Shasta-Trinity National Forests 1341 Comment
  RSA183682  Heracleum maximum Gilbert Muth 1965-7-28 129 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  HSC43383  Hesperochiron pumilus Maralyn O'Meara 1974-5-26 459 Siskiyou Along USFS Rd. 47N03 1524 Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  RSA435709  Hesperolinon micranthum Louis C. Wheeler 1934-6-2 2614 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC311087  Heterotheca oregona var. rudis Annie M. Alexander; Louise Kellogg 1948-9-4 5580 Siskiyou Siskiyou Mountains. Salmon River Comment
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn Comment
  RSA0062921  Heuchera cylindrica var. alpina E. K. Balls, P. C. Everett 1952-10-12 18180 Siskiyou 7.2 miles SW of boundary Lava Beds National Monument. Road from Indian Well Ranger Station to Tennant. 1311 Comment
  JEPS104828  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  JEPS84337  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  UC530057  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jaynes Canyon; Siskiyou Mts 2042 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC359  Hieracium albiflorum K. Jaekel 1939-7-2 Siskiyou Mt. Shasta. 1828 Comment
  HSC22177  Hieracium albiflorum J. O. Sawyer 1969-6-12 911 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA12623  Hieracium albiflorum C. B. Wolf 1934-7-5 5962 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  HSC22154  Hieracium bolanderi J. O. Sawyer 1969-7-20 1566 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  UC1012436  Hieracium greenei W. Bridge Cooke 1941-8-15 16184 Siskiyou n of Cascade Gulch; Mount Shasta 1676 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  UC618677  Hieracium horridum W. Bridge Cooke 1938-8-18 11492 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  UC922284  Hieracium parryi Annie M. Alexander and Louise Kellogg 1949-7-20 5812 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  CAS-BOT-BC280783  Holcus lanatus Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek, at Power House 822 Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC152371  Holodiscus discolor var. discolor R. F. Thorne; Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak, near crest of ridge above English Lake, along trail to Hancock Lake 1767 Comment
  UC585215  Horkelia daucifolia E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1942 Siskiyou ca 8 mi s Yreka 822 Comment
  CAS-BOT-BC143954  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley divide Comment
  POM88250  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley Divide Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  HSC40986  Horkelia daucifolia var. daucifolia J. O. Sawyer 1975-7-16 2700 Siskiyou 1.2 mi. N of Callahan ( Cecilville Rd. on rd. to Duck Lake) Comment
  POM178492  Horkelia fusca var. brownii Marcus E. Jones 1930-7-10 25377 Siskiyou Lake Tahoe Comment
  CAS-BOT-BC514280  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke 1938-7-15 11229 Siskiyou Mount Shasta, above Bear Springs 1676 Comment
  CAS-BOT-BC514285  Horkelia fusca var. pseudocapitata A. A. Heller 1916-6-23 12429 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC514288  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  UC585172  Hydrophyllum occidentale E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2003 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge, e and ne slope); Rainbow Ridge 1188 Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  UC454936  Hypericum anagalloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  UC52524  Ipomopsis aggregata Geo. B. Grant Sept, 1902 4967 Siskiyou Sisson Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  HSC226  Ipomopsis aggregata William J. Ferlatte 1966-7-7 209 Siskiyou NW side of Caribou Mtn. 1829 Comment
  POM147884  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-24 1747 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  RSA17694  Ipomopsis congesta Elmer I. Applegate 1935-6-10 9488 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  CAS-BOT-BC88658  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  JEPS60638  Isopyrum stipitatum Geo. D. Butler 1909-2-28 Siskiyou near Yreka Comment
  SEINET11259939 Image available Iva axillaris G. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake Comment
  CAS-BOT-BC139771  Ivesia gordonii Lester Rowntree 1936-7-16 s.n. Siskiyou Divide in Trinity Mts. above Granite Creek Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  RSA238902  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Near the outlet of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA238903  Juncus drummondii Frederick W. Oettinger 1969-9-4 1660 Siskiyou Just S of Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  HSC67454  Juncus effusus subsp. pacificus J. P. Smith, Steve Selva 1970-7-16 4375 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC71097  Juncus ensifolius Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4512 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1265481  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger and R. F. Thorne 1968-8-7 1266 Siskiyou just w Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  HSC22185  Juncus mertensianus J. O. Sawyer 1969-8-5 1748 Siskiyou W of Little Duck Lake 2073 Comment
  HSC67451  Juncus mertensianus J. P. Smith, Steve Selva 1970-7-17 4458 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA14327  Juncus mexicanus Elmer I. Applegate 1923-8-18 3879 Siskiyou Medicine Lake. 1982 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  UC637098  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou e end Seiad Valley (Walker Creek canyon, a tributary of Klamath River); Klamath River, Walker Creek 609 Comment
  CHSC88381  Juncus trilocularis Jenny Marr 1993-7-1 186 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC101736  Juniperus communis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  UC496193  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley e side on dry rocky hillside Scott Valley Comment
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 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
  OBI36637  Juniperus occidentalis subsp. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  RSA571790  Juniperus occidentalis var. occidentalis L. C. Wheeler 1934-6-9 2663 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
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Sep 25 2014
  HSC30572  Kalmia polifolia Frederick W. Oettinger 1967-7-20 181 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, E bank of Diamond Lake 2073 Comment
  HSC62030  Kalmia polifolia Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  UC1408759  Keckiella lemmonii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1211 Siskiyou above Willow Spring (on English Lake Trail, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  OBI55447  Keckiella lemmonii David J. Keil 1992-7-20 23505 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 2.8 mi W of Scott River Rd Comment
  JEPS82429  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou n side Black Mt.; Marble Mountain Wilderness Area 1981 Comment
  RSA68905  Kelloggia galioides A. E. Culbertson 1943-7-24 53 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  UC455891  Kelloggia galioides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  UC70743  Koeleria macrantha T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC340369  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. At Wagon Camp Comment
  HSC41034  Kyhosia bolanderi J. O. Sawyer 1969-8-5 1965 Siskiyou Ca. 1/2 mi. up Sugar Creek Trail 1646 Comment
  POM215857  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  RSA17691  Layia glandulosa subsp. glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons road near Juniper Butte, Lava Beds national Monument. Comment
  RSA211220  Ledum glandulosum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  RSA238365  Ledum glandulosum var. californicum Frederick W. Oettinger 1967-7-26 204 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC274355  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Klamath National Forest. Walker 518 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
  JEPS107391  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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
  CHSC3224  Lepidium campestre Virginia Hagaman 1966-5-14 180 Siskiyou McConnahue Gulch--4 1/2 miles east of Etna. Comment
  UC909334  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou E. Fork Scott R. at Callahan Ranger Station (Callahan); E. Fork Scott R., , Callahan Ranger Station 975 Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  JEPS69868  Leptodactylon pungens Frank W. Peirson 1923-7-19 3809 Siskiyou w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  HSC58934  Leptosiphon harknessii Marvin Butler 1971-7-21 190 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC78250  Leptosiphon harknessii L. P. Janeway 1983-7-31 475 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  UC637134  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou e of mouth of Walker Creek (a tributary of the Klamath River, e end o Seiad Valley); Seiad Valley, Klamath River 441 Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC58266  Leucothoe davisiae R. F. Thorne; Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. At margin 2072 Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA237458  Lewisia cotyledon Frederick W. Oettinger 1967-7-20 173 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD101655  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 76 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  HSC59095  Lewisia cotyledon var. howellii Clark L. Miller 1979-4-28 2109 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  JEPS127639  Lewisia cotyledon var. howellii Jurriaan M. de Vos 2014-7-10 319 Siskiyou Klamath NF.Ca. 3.9 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  SEINET4176732 Image available Lewisia leeana Sally Walker 1982-7-17 Siskiyou Alex hole Klamath National Forest 2134 Comment
  UC803924  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4016 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  CAS-BOT-BC436054  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou Above SE end of Taylor Lake, 12 miles SW of Etna, Salmon Mountains 2194 Comment
  HSC97417  Ligusticum grayi J. M. DiTomaso 1980-8-26 1913 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  SJSU10000  Lilium kelleyanum M. R. Kempf 1964-7-13 304 Siskiyou Dead Horse Summit, State Rte 89 c. 7 mi SE Bartle 1341 Comment
  HSC96874  Lilium pardalinum subsp. shastense Gordon Leppig, J. Cromwell 1997-7-25 581 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  RSA68900  Lilium washingtonianum A. E. Culbertson 1943-7-2 57 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
  RSA766900  Lilium washingtonianum Joseph M. Keefe 1967-7-11 2093 Siskiyou 2.3 miles north of Castle Lake, 10 miles SE of town of Mt. Shasta 1220 Comment
  CAS-BOT-BC133102  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 186 Siskiyou Mt. Shasta Comment
  CHSC109946  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou Cascade Range Highlands. I-5 southbound, one road mile n of (and above) exit 724 for Castella. 665 Comment
  RSA600380  Limnanthes alba Louis C. Wheeler 1935-5-18 3501 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UC164132  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  JEPS74452  Linanthus ciliatus W. J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public camp Trinity Alps 1524 Comment
  UC880334  Linanthus ciliatus A. A. Heller 1916-6-23 12428 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC30145  Linanthus filipes W. H. Brewer 1862-9-9 1364 Siskiyou Upper Sacramento, between Camp 97 and 98 Upper Sacramento Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  HSC28213  Linnaea borealis subsp. longiflora Carl W. Mize 1972-6-23 94 Siskiyou Along trail by Camp Three. 976 Comment
  CAS-BOT-BC416405  Linnaea borealis subsp. longiflora H. A. Thomas; J. H. Thomas 1954-7-23 4462 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  HSC67729  Listera convallarioides John S. Palmer 1980-8-12 693 Siskiyou SE of Wards Gap. 1189 Comment
  UC229944  Lithocarpus densiflorus H. E. Brown Jun 11 1897-Jun 16 1897 Siskiyou n side Mt. Shasta 1524 Comment
  UC1043390  Lithocarpus densiflorus var. echinoides P. C. Everett and E. K. Balls 1954-10-10 20262 Siskiyou 0.5 mi s junction to Ney Springs (road to Castle Lake from town of Mt. Shasta) 1127 Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  UC527340  Lithocarpus densiflorus var. echinoides C. B. Wolf 1931-9-2 Siskiyou 4 mi above junction of McCloud Road with the Pacific Highway 1188 Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  POM92054  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Yreka. Comment
  CAS-BOT-BC317336  Lithospermum californicum Doris K. Kildale 1929-7-20 8553 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  UC455972  Lithospermum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CHSC71287  Lithospermum ruderale Vernon H. Oswald; Lowell Ahart 1998-6-11 9176 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC75665  Lomatium engelmannii Vernon H. Oswald 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. 1569 Comment
  JEPS101138  Lomatium engelmannii Dean W. Taylor 1996-6-18 15725 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  HSC76706  Lomatium macrocarpum K. T. Stillman 1976-7-14 225 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  HSC77106  Lomatium macrocarpum K. T. Stillman 1976-8-7 182 Siskiyou Marble Mtn. Wilderness Area. Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC190749  Lomatium nudicaule K. Brandegee Siskiyou Hornbrook Comment
  HSC31130  Lomatium nudicaule J. O. Sawyer 1971-8-20 2458 Siskiyou S of Buckhorn Mountain on Big Ridge trail 1982 Comment
  SEINET8756631  Lomatium nudicaule D. Butler 1910-5-18 1359 Siskiyou Near Yreka Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 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
  CAS-BOT-BC240852  Lonicera interrupta Ellsworth Bethel 1923-6-12 s.n. Siskiyou Mc Cloud [McCloud] Comment
  SEINET3523666 Image available Lotus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  UC454688  Lotus crassifolius var. crassifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  JEPS75659  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou Yreka Comment
  UC69539  Lotus nevadensis var. nevadensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC637133  Lotus oblongifolius var. oblongifolius Annetta Carter 1934-8-13 703 Siskiyou Happy Camp to Waldo (Oregon road, watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UC862222  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12116 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC140209  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-29 5895 Siskiyou Near Hidden Lake above Sky High Lake. Sky High Valley, Marble Mountains 1859 Comment
  CAS-BOT-BC140212  Luetkea pectinata Jack Major; M. Fleschner; R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains 1975 Comment
  POM210884  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  UC609335  Luetkea pectinata Eleanor Burks Hart 1938-8-20 937 Siskiyou n slope Red Cap 2225 Comment
  UC563063  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3953 Siskiyou Doggett Ridge Doggett Ridge, Siskiyou Mountains (s slope of the Siskiyou Mountains); , Doggett Ridge Comment
  CDA27357  Lupinus albicaulis var. shastensis T. C. Fuller 1964-6-24 12245 Siskiyou Flying K Ranch, ca. 2 miles south of Mugginsville, Quartz Valley. 0 Comment
  CDA27371  Lupinus albifrons var. collinus K. S. Buchanan 1975-5-29 Siskiyou Interstate 5 north of Weed airport. 0 Comment
  SD116273  Lupinus albifrons var. collinus D. B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9.0 miles north of Weed, on U. S. Highway 97, at Whitney Creek. 1250 Comment
  POM11084  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  HSC60157  Lupinus breweri D. L. Goforth 1979-7-7 228 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  HSC64662  Lupinus breweri var. breweri J. O. Sawyer 1977-7-6 3028 Siskiyou S of Little Duck Lake 2134 Comment
  CAS-BOT-BC215184  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CHSC914  Lupinus croceus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1950 Comment
  HSC92403  Lupinus croceus Jennifer Whipple 1976-6-30 1206 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  SEINET10837763  Lupinus croceus var. croceus Oettinger 1969-7-25 OETTINGER s.n. Siskiyou Scott mts., Shasta-trinity nat'l forest: c. 15 Air mi. Sw of weed, near Kangaroo lake campground; dry rocky meadow in lodgepole pine forest. Comment
  SEINET10870599  Lupinus croceus var. croceus Patricia L. Kenney 1973-6-4 Kenney 384 Siskiyou Collected on a steep roadbank along rd. From cecilville to callahan; 6.4 mi. W Of callahan. 1737 Comment
  SEINET10937102  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6968 Siskiyou E facing slope of road cut at the n edge of hornbrook. 732 Comment
  SEINET10485430  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47275 Siskiyou 6.9 mi. E of weed. Hwy 97. Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  UC609361  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 894 Siskiyou n end Lower Wright Lake; n end of Lower Wright Lake 2072 Comment
  UC1034651  Lupinus lepidus var. lobbii Milo S. Baker 1950-6-28 13091 Siskiyou roadbank s Weed; Klamath Mountains, s of Weed 1066 Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  JEPS91330  Lupinus microcarpus var. microcarpus Dean W. Taylor 1987-6-6 9010 Siskiyou Fall River Valley, road from Bieber to Lookout, 0.5 miles south of the Modoc County Line 1249 Comment
  SEINET7040262 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  CAS-BOT-BC383125  Lupinus obtusilobus Andrew Townesmith; Karen M. Meyer 2007-7-30 872 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  RSA582454  Lupinus polyphyllus subsp. polyphyllus Louis C. Wheeler 1935-6-13 3572 Siskiyou Mill Creek, Quartz Valley. 884 Comment
  UC1409329  Lupinus polyphyllus var. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou boggy area w above English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1798 Comment
  CHSC933  Lupinus sellulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  RSA114969  Lupinus sellulus subsp. sellulus E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-18 21799 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  RSA607422  Luzula campestris L. C. Wheeler 1934-8-14 3129 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC436698  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  HSC22265  Luzula divaricata J. O. Sawyer 1969-7-10 1298 Siskiyou Slope above S Sugar Lake 2287 Comment
  LA20729  Luzula subcongesta W. B. C.; 1939-7-26 13741 Siskiyou Mount Shasta, around the E boreal spring above Panther Creek 2743 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  SEINET11799442  Machaeranthera canescens var. shastensis J. P. Tracy 1949-1 18564 Siskiyou in Scott Valley, 1 mi E of Etna 884 Comment
  UCD131201  Machaeranthera canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou beside Highway 89, 7.5 miles east of McCloud. Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  HSC40203  Madia elegans J. P. Smith 1976-5-5 8680 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC133253  Madia elegans Dr. E. B. Copeland 1903-8-13 3820 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC343996  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  CAS-BOT-BC344010  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  JEPS24814  Madia gracilis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6825 Siskiyou U. S. Forest Service camp ground at Scott road summit, boundary of Siskiyou and Trinity counties Scott Mtn. 1646 Comment
  RSA237498  Madia gracilis subsp. gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area: between Lower Pond and Tobacco Lake, over a ridge 1921 Comment
  RSA126302  Madia madioides I. L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC512758  Maianthemum racemosum subsp. amplexicaule H. E. Brown 1897-7-1 447 Siskiyou North side of Mount Shasta 2743 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  RSA96706  Maianthemum stellatum Percy C. Everett, E. K. Balls 1954-10-13 20286 Siskiyou Indian Creek Rd., 16.7 mi NW of Happy Camp on Hwy 96. 1128 Comment
  CHSC75681  Malacothrix clevelandii Vernon H. Oswald; Lowell Ahart 1999-7-5 9795 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Gren 774 Comment
  CHSC91369  Marrubium vulgare Lowell Ahart; John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north 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
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  HSC21983  Melica bulbosa J. O. Sawyer 1969-7-16 1140 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  RSA403520  Melica bulbosa M. B. Dunkle 1945-1 9319 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  UC197193  Melica fugax Geo. D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  CAS-BOT-BC282118  Melica geyeri Geo. D. Butler 1904-5-26 824 Siskiyou Near Yreka Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  RSA119381  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  UCD117380  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1127 Comment
  CAS-BOT-BC428547  Micranthes aprica Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC428549  Micranthes aprica Alice Eastwood 1921-7-28 10909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC428463  Micranthes aprica Ella Dales Cantelow 1936-5-20 1419 Siskiyou Summit of Scott Mt., Siskiyou-Trinity Co. line 1630 Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1408868 Image available Micranthes marshallii Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice south of of Abbott's Lake; High Lake Basins in vicinity of English Peak; Marble Mountain Wilderness Area Comment
  CAS-BOT-BC322661  Microseris laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  UC1409493  Microseris laciniata subsp. siskiyouensis Frederick W. Oettinger 1969-7-11 966 Siskiyou English Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (se-facing slope, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1828 Comment
  SJSU6479  Microseris nutans R. W. Trivelpiece 1972-6-9 93 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS29094  Mimulus breweri Lauramay T. Dempster 1961-7-2 1864 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  UCR61242  Mimulus breweri 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
  HSC61898  Mimulus breweri Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC61069  Mimulus guttatus W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  JEPS77506  Mimulus layneae L. R. Heckard with R. Bacigalupi, T. I. Chuang 1978-7-18 4874 Siskiyou 17 mi e Montague (Ball Mt. Road, n of Goosenest Mt.) 1432 Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC27016  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  RSA105434  Mimulus moschatus G. D. Barbe 1955-6-30 55 Siskiyou 0.6 mile northwest of Forest Camp, Etna. Along Johnson Creek. 915 Comment
  HSC82262  Mimulus nanus var. jepsonii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5979 Siskiyou Fowler's Campground 1006 Comment
  UC725906  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mi s Bray 1402 Comment
  HSC69356  Mimulus primuloides Maralyn A. Renner 1980-8-21 2585 Siskiyou Kidd Creek 2043 Comment
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  RSA183683  Mimulus primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley, Marble Mtns. Comment
  UC70445  Mimulus primuloides subsp. linearifolius Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  CAS-BOT-BC388887  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC481920  Minuartia nuttallii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC1190152  Minuartia nuttallii subsp. gregaria Ira L. Wiggins 1955-4-29 13584 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  HSC104140  Minuartia rubella Dana York 2011-8-13 3067 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC92012  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-6-15 4851 Siskiyou Along SR 3 3.1 mi. N of Scott Mtn. Pass 1250 Comment
  CDA23864  Mirabilis greenei G. Deal 1966-6-29 Siskiyou Tom Williams property, Montague. 0 Comment
  CDA36063  Mirabilis greenei CDFA Staff 1985-5-8 Siskiyou Copco Lake Road. 0 Comment
  JEPS26520  Mitella diversifolia Lauramay T. Dempster 1961-7-2 1850 Siskiyou Mill Creek; at road crossing sw of Etna Comment
  UC530062  Mitella diversifolia Louis C. Wheeler 1934-7-12 2899 Siskiyou Cottonwood Creek Siskiyou Mts. 1066 Comment
  HSC669  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail 1890 Comment
  HSC22290  Mitella pentandra J. O. Sawyer 1969-7-11 1313 Siskiyou Above S Sugar Creek 2012 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 Comment
  HSC27229  Mollugo verticillata J. P. Smith, J. O. Sawyer 1971-9-18 4791 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UCD125179  Monardella odoratissima Dr. Eckert 1934-8-2 s.n. Siskiyou exact location unknown. 1828 Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  RSA184655  Monardella odoratissima subsp. glauca Clare B. Hardham 1965-8-20 13009 Siskiyou Marble Mtns. near Cudahy Lakes 1524 Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  JEPS11899  Monardella odoratissima subsp. pallida Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4785 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forest); Del Norte - Sikiyou Co. Line 1554 Comment
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220231  Monardella sheltonii Carl B. Wolf 1927-8-26 1078 Siskiyou On the Klamath River near Hamburg Comment
  RSA240084  Monotropa hypopitys Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC73386  Montia linearis Robert Kirkpatrick, Doug Renwick 1981-5-30 159 Siskiyou 3 mi. from Hwy. 3 off FS Rd. 40N22 1220 Comment
  RSA60791  Montia parvifolia Dorothy Parker 1948-7-8 87 Siskiyou Among Alders in wet granitic sand (shady), Etnar Creek, Salmon Mtn. 915 Comment
  CAS-BOT-BC267049  Muhlenbergia filiformis Doris K. Kildale 1928-8-18 6469 Siskiyou Near head of N Fork of Salmon River at Finley's Upper Camp Comment
  UCD86612  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  CAS-BOT-BC275340  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  HSC461  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Josephine Lake basin 1677 Comment
  HSC102705  Muhlenbergia richardsonis J. P. Smith 2013-6-17 13738 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  JEPS69761  Nama densa var. parviflora W. B. and V. G. Cooke 1972-6-30 45412 Siskiyou above Andesite Crossing (Mount Shasta, Military Pass Road); Mount Shasta, Military Pass Road 1524 Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road 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
  HSC44992  Narthecium californicum J. P. Smith, Steve Selva 1970-7-18 4498 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  HSC30634  Navarretia divaricata Frederick W. Oettinger 1969-7-28 1091 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 2012 Comment
  HSC86530  Navarretia divaricata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  UC1191629  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  POM65167  Navarretia sinistra E. B. Copeland 1903-7-3 3560 Siskiyou Klamathon. Comment
  UC880882  Nemophila parviflora Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek , Greenhorn Creek (Siskiyou Mts.) 853 Comment
  UCSC000576  Nemophila parviflora I. J. Condit 2011-7-3 s.n. Siskiyou Shasta Retreat, Bank of Sacramento River Comment
  CAS-BOT-BC230558  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1649 Siskiyou Marble Mountain 2286 Comment
  UC796661  Nemophila parviflora var. austiniae Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11739 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 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
  POM211189  Nicotiana bigelovii Louis C. Wheeler 1934-9-17 3273 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt Diablo Mer) 610 Comment
  RSA120901  Noccaea Milo S. Baker 1957-6-16 13140 Siskiyou Scott Mountains Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC573272  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou close to Schonchin Butte; Dorris Quad 1371 Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS11224  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou trail beyond Whiskey Camp (Independence Creek); Independence Creek 1676 Comment
  JEPS84196  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  UC1409492  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Salmon Mountains. The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. From Taylor Cabin to Pine Lake. Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC1037439  Orthilia secunda Douglas Barbe 1955-7-28 305 Siskiyou Klamath Mountains about 0.5 mile west of Scott Mountain Forest Camp. 1645 Comment
  SBBG22536  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-7-3 8066 Siskiyou Scott Mtn, S of Callahan Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  POM229936  Orthocarpus lacerus Louis C. Wheeler 1935-6-27 3611 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC2365  Oxyria digyna William J. Ferlatte 1966-8-19 442 Siskiyou Head of Kidd Creek 2287 Comment
  CAS-BOT-BC318449  Packera cana Elmer Ivan Applegate 1935-6-10 9491 Siskiyou South slope of Caldwell Butte, Lava Beds national Monument Comment
  CHSC71285  Packera cana Vernon H. Oswald; Lowell Ahart 1998-6-11 9175 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS69748  Packera cana W. B. and V. G. Cooke 1972-6-30 45421 Siskiyou near Upper Cougar Road (Military Pass Road); Mt. Shasta 1524 Comment
  HSC6106  Packera cana R. C. Wunner 1965-6-7 121 Siskiyou California Lava Beds National Monument; Mammoth Crater near rim 1615 Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  CAS-BOT-BC202862  Paxistima myrsinites Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC48271  Paxistima myrsinites K. Stillman, P. Stekel May 1977 512 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  UCR5254  Paxistima myrsinites O. F. Clarke 1966-8-6 660806- 02 Siskiyou 46 mi south of Oregan Border on US 99 Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  CAS-BOT-BC266650  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1949-7-19 5810 Siskiyou Edge of creek, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS19692  Pedicularis densiflora Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5959 Siskiyou region immediately s of Mount Eddy (Canyon of the South Fork of Sacramento River, along mountain road to Gumboot Lake); Sacramento River 1767 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  HSC69375  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-19 3679 Siskiyou Near FS Rd. 45N05 2018 Comment
  CAS-BOT-BC69318  Pellaea brachyptera Alice Eastwood 1922-10-18 11541 Siskiyou Shasta Springs Comment
  SBBG19459  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou SW of town of Mt Shasta, county rd W of Castle Lake Rd, between the Wagon and Deer Crk bridges 1219 Comment
  RSA237835  Pellaea brachyptera Frederick W. Oettinger 1968-8-6 538 Siskiyou South facing rather steep slope of Little Medicine Mountain due north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UCSB25541  Pellaea mucronata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC1222496  Penstemon anguineus Joseph P. Tracy 1951-6-16 19474 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road near State Line (Oregon to Calif.)); Siskiyous aummit Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  UC1629928 Image available Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  HSC91150  Penstemon davidsonii Jennifer Whipple 1976-7-25 1583 Siskiyou N slopes of Mt. Eddy 2561 Comment
  CAS-BOT-BC265381  Penstemon davidsonii var. davidsonii Dean Wm. Taylor; Glenn L. Clifton; Rexford E. Palmer 1987-6-7 9018 Siskiyou Upper Modoc Plateau. S end of Saddle Hills 1645 Comment
  JEPS13635  Penstemon davidsonii var. davidsonii Peter Kamb 1949-8-25 1494 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 3169 Comment
  NY590188  Penstemon davidsonii var. davidsonii F. M. Ownbey 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  HSC26186  Penstemon deustus J. P. Smith, J. O. Sawyer 1972-5-28 5380 Siskiyou Cecilville-Forks of Salmon 762 Comment
  RSA412528  Penstemon deustus M. B. Dunkle 1945-7-6 9207 Siskiyou Black Marble Mtn. Klamath National Forest. Marble Mtns. 2195 Comment
  RSA79764  Penstemon deustus subsp. heterander F. W. Peirson 1923-7-19 3842 Siskiyou Near Bray. Comment
  UC175799  Penstemon deustus var. pedicellatus T. H. Gilbert June 1899 Siskiyou Scott River Valley 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
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  JEPS11266  Penstemon gracilentus W. L. Jepson 1894-8-4 21430 Siskiyou half-way up Mt. Shasta between Sisson sta. and Horse Camp; half-way up Mt. Shasta btw Sisson sta. and Horse Camp Comment
  NY600747  Penstemon gracilentus D. D. Keck 1938-7-22 11332 Siskiyou Along the Sisson Southern Trail. Canadian Zone. Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  JEPS101503  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16048 Siskiyou Mallethead Rock, headwaters Willow Creek, Shasta Valley River drainage 1645 Comment
  CHSC71332  Penstemon laetus var. sagittatus Vernon H. Oswald; Lowell Ahart 1998-6-11 9191 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  NY604556  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4511 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 and I-5 Bus. Loop in Weed. 1432.6 Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N of Weed. Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  SDSU10960  Penstemon newberryi D. F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC23  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4839  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-9 412 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  HSC19132  Penstemon parvulus J. O. Sawyer 1969-8-1 1684 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA724922  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Scott Mountains; Opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC91115  Penstemon parvulus Jennifer Whipple 1976-7-2 1255 Siskiyou Near edge of Dobkins Lake 2073 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  HSC21  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS74426  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-7-7 195 Siskiyou Trinity Alps, Caribou Basin Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  RSA420384  Penstemon rattanii subsp. rattanii M. B. Dunkle 1945-1 9330 Siskiyou Big Ridge. Klamath National Forest. Marble Mountains. Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  JEPS19693  Penstemon rydbergii var. oreocharis Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5977 Siskiyou 20 mi ne Weed (alongside causeway traversing Grass Lake [U S Highway 97] on route between Klamath Lake and Weed); Grass Lake, btw Klamath Lake and Weed, ne of Week 1544 Comment
  CAS-BOT-BC6686  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  JEPS11508  Penstemon speciosus W. L. Jepson 1894-8-4 21432 Siskiyou Mt. Shasta Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  UC1428123  Perideridia gairdneri subsp. borealis James E. Eckenwalder 1972-9-4 886 Siskiyou headwaters of Clear Creek Young's Valley (Young's Valley, Siskiyou Mountains (S.S.)); Siskiyou Mountains, headwaters Clear Creek Comment
  SEINET4855712  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville. 762 Comment
  CAS-BOT-BC423346  Peritoma platycarpa Mrs. Brandegee No date on label s.n. Siskiyou Unspecified Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  HSC13621  Phacelia bicolor D. M. Thomson 1965-8-21 207 Siskiyou California Lava Beds National Monument, top of petroglyphs section Comment
  HSC79320  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  JEPS52297  Phacelia dalesiana Wayne Roderick 1963-6-14 Siskiyou meadow just n Scott Mtn. pass (on road from Callahan to Trinity County communities) 1828 Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  CDA40369  Phacelia greenei F. D. & C. L. Horn 1980-6-1 s.n. Siskiyou In Red Rock Gulch, old road west of Highway 3, Yreka. 0 Comment
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  UC1228352  Phacelia hastata L. R. Heckard 1956-8-7 827 Siskiyou along US Hwy 97 about 10.5 mi ne Weed 1188 Comment
  POM127632  Phacelia hastata subsp. hastata A. M. Alexander, Elizabeth A. Kellogg 1911-8-12 309 Siskiyou Near Toad Lake. 2073 Comment
  UC673229  Phacelia heterophylla subsp. virgata Lincoln Constance and Reed C. Rollins 1942-5-14 2927 Siskiyou 4 mi n Yreka; Shasta River 762 Comment
  HSC67637  Phacelia heterophylla subsp. virgata J. P. Smith, Steve Selva 1970-6-16 4044 Siskiyou Etna 897 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  UC711858  Phacelia mutabilis Roxana S. Ferris and Laura Lorraine 1941-8-11 10506 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  JEPS1088  Phacelia procera W. L. Jepson Jul 17 1902-Jul 22 1902 2076 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC666546  Phacelia ramosissima var. ramosissima G. L. Stebbins Jr. and A. A. Beetle 1942-5-31 3251 Siskiyou 5 mi w Gazelle Crest Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC1212570  Philadelphus lewisii Francia Chisaki and Helen Sharsmith 1959-8-20 4745 Siskiyou between Forks of Salmon and Somes Bar (several mi from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  CAS-BOT-BC250950  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  RSA161689  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  SEINET7041249  Phlox adsurgens Barbara L. Wilson 1994-5-27 6916 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  JEPS105037  Phlox diffusa Dean W. Taylor 1996-7-7 15807 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS74453  Phlox diffusa W. J. Ferlatte 1966-6-23 128 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  UC1017713  Phlox douglasii subsp. rigida Marion Ownbey and Ruth P. Ownbey 1938-7-20 1762 Siskiyou near Dry Lake Lookout (summit of Siskiyou Mountains); Siskiyou Mountains Comment
  RSA105495  Phlox speciosa subsp. occidentalis G. D. Barbe 1955-7-26 266 Siskiyou Klamath Mountains: On northwest slope of Scott Mtn. along a dry ditch. 1829 Comment
  CAS-BOT-BC60686  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman's Valley. 1158 Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  LA41254  Phyllodoce empetriformis John Thomas Howell; 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  RSA105410  Phyllodoce empetriformis G. D. Barbe 1955-7-26 286 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  UC571043  Phyllodoce empetriformis Dorothy Tebbe 1929-7-3 4 Siskiyou above Round Lake (Mount Eddy); Mount Eddy 1524 Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  HSC82286  Physaria occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4807 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC78174  Picea breweriana Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., [Cuddyhi] Cuddihy Lake Comment
  JEPS25675  Picea breweriana Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7320 Siskiyou on steep grade just above jeep road between Poker Flat and Twin Valley (on rocky ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  RSA264592  Picea breweriana L. E. Berriman 1941-01 s.n. Siskiyou North slopes of Russian Peak, west of Callahan. 1829 Comment
  UC1282035  Picea breweriana Alan Bell 1963-8-17 Siskiyou on glaciated granodiorite on slope sw of Log Lake (10 degrees e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountain 1965 Comment
  UCD70126  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 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
  UC336825  Pinus albicaulis unknown 1988-9-11 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC78328  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC78330  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River, 3/10 mi. below Walker Creek 426 Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  NY34629  Pinus attenuata F. M. Ownbey 1940-7-7 2219 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  JEPS82670  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC1452401  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou slope of Mount Eddy Mount Eddy 2225 Comment
  CAS-BOT-BC73306  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of teh Marble rim, Marble Mts. Comment
  UCD134532  Pinus contorta subsp. murrayana J. M. Tucker 1950-7-24 1957 Siskiyou area reached by Military Road, east slope of Mt. Shasta. Comment
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Mar 6 2015
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC78949  Pinus monticola Doris K. Kildale 1928-8-19 6537 Siskiyou summit of Divide at Hancock Lake, trail to Marble Mt. 2194 Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  HSC67696  Pinus monticola John Palmer 1980-7-24 579 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC542249  Pinus murrayana H. M. Hall and E. B. Babcock 1903-6-17 4105 Siskiyou Divide, between Shasta and Black Crater; Sierra Nevada Mountains, Mount Shasta 1706 Comment
  CAS-BOT-BC72869  Pinus ponderosa Doris K. Kildale 1929-5-26 9188 Siskiyou Hawkins Bar on Salmon River 609 Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  HSC100207  Pinus sabiniana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13176 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  UC922534  Piperia elongata Annie M. Alexander and Louise Kellogg 1948-9-4 5579 Siskiyou halfway between Somesbar and Forks of the Salmon Rivre; Siskiyou Mountains, Salmon River Comment
  UC375219  Piperia leptopetala Geo. D. Butler 1908-6-28 Siskiyou near Oro Fino Comment
  RSA68909  Piperia unalascensis A. E. Culbertson 1943-7-17 49 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  RSA237557  Plantago lanceolata Frederick W. Oettinger 1968-9-6 737 Siskiyou Along English Peak - Hancock Lake trail on SE-facing gradual slope of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  HSC95707  Platanthera dilatata Juha Pykala, D. H. Norris 1987-6-26 2037 Siskiyou Marble Mtn. Wilderness Area, above Bear Lake 1951 Comment
  UCSB51239  Platanthera dilatata Almanza, Ed 1976-7-14 Siskiyou at lakeside spring; Northwest bank; Castle Lake 2407 Comment
  HSC61827  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  SBBG30576  Platanthera dilatata var. leucostachys D. Myrick 1968-6-28 2053 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  HSC35286  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  HSC63297  Pleuricospora fimbriolata M. A. Baker 1979-6-28 1064 Siskiyou Marble Mountain Wilderness. 0.5 km. N and slightly E of Green Granite Lake. 1500 Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30564  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  HSC102710  Poa bulbosa J. P. Smith 2013-6-17 13743 Siskiyou Tennat-Bray. 1485 Comment
  HSC30211  Poa bulbosa William J. Ferlatte 1968-6-8 1133 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC30561  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  JEPS109712  Poa cusickii subsp. epilis Dean W. Taylor 2002-7-20 18265 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC38848  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4050 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  UC618614  Poa pratensis subsp. pratensis W. Bridge Cooke 1938-6-24 11066 Siskiyou MacBride Springs; Mt Shasta Comment
  RSA238332  Poa pringlei Frederick W. Oettinger 1967-8-17 274 Siskiyou On northwest exposure of Crapo Peak Ridge along trial where it crosses the ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  SJSU6534  Poa secunda subsp. secunda R. W. Trivelpiece 1973-6-28 160 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi due west of Callahan 2042 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UCD90998  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain. Comment
  POM179738  Polemonium californicum H. P. Chandler 1901-06 1671 Siskiyou Marble Mountain, North Coast Ranges 2439 Comment
  SEINET4557457  Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC232902  Polemonium carneum Grace Wood 1919-5-9 s.n. Siskiyou Greenhorn Road Comment
  UC164116  Polemonium micranthum Geo. D. Butler 1909-3-16 551 Siskiyou near Yreka; near Yreka Comment
  UC56864  Polemonium micranthum F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  HSC19297  Polemonium pulcherrimum J. O. Sawyer 1969-7-2 1002 Siskiyou E of Twin Lakes 2195 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  HSC35801  Polygala cornuta J. O. Sawyer 1969-9-18 2389 Siskiyou Midslope above CCC Rd. 1494 Comment
  UCD109718  Polygala cornuta J. P. Smith; Steve Selva 1970-7-14 3858 Siskiyou Exact location unknown. Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  JEPS95388  Polygala cornuta var. cornuta Vernon H. Oswald and L. Ahart 1994-8-1 6417 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. 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
  POM211510  Polygonum argyrocoleon Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  UC163657  Polygonum davisiae Geo. D. Butler 1908-8-5 187 Siskiyou West Fork of Woolly Creek Comment
  UC917356  Polygonum davisiae R. Tofsrud and J. M. Tucker 1948-8-2 1760 Siskiyou Meadows Mt. Shasta (s s lope of mt.) 2407 Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  CHSC71313  Polygonum douglasii subsp. majus Vernon H. Oswald; Lowell Ahart 1998-6-11 9187 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  UC164463  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-8-1 188 Siskiyou Forest House Mountain Comment
  UCR37540  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  RSA237767  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  UC1540134  Polygonum newberryi Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9260 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme nw section of county) 2407 Comment
  SEINET3160424  Polygonum phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC420953  Polygonum sawatchense subsp. sawatchense Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  CAS-BOT-BC109286  Polygonum shastense Peter Kamb 1949-8-25 1491 Siskiyou Southwest slope of Mount Shasta above Horse Camp. 2895 Comment
  CAS-BOT-BC421082  Polygonum spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  UC375479  Polystichum imbricans subsp. imbricans W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mt. Shasta 1676 Comment
  UC812653  Polystichum imbricans subsp. imbricans W. Bridge Cooke 1939-7-14 13682 Siskiyou Sisson Southern Trail Mt Shasta Comment
  CAS-BOT-BC76738  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1945-6-18 45079 Siskiyou Siskiyou Mts. - 2 miles east of White Mt., Mt. Diablo Mer. 1920 Comment
  HSC27773  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1972-9-13 5788 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  CAS-BOT-BC76715  Polystichum lemmonii Mrs L. O. Hodgkins s.n. Siskiyou Mt. Shasta Comment
  UC185242  Polystichum lemmonii Geo. D. Butler 1910-7-12 1757 Siskiyou Schackleford Creek 1371 Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  CAS-BOT-BC72509  Polystichum scopulinum Peter H. Raven 1956-9-4 10385 Siskiyou ridge S. of Mt. Eddy 2286 Comment
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  RSA693355  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC453681  Potamogeton gramineus John Thomas Howell 1939-8-9 15195 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS117618  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  UC648266  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  JEPS57177  Potentilla fruticosa L. R. Heckard 1967-8-13 1697 Siskiyou summit region of Mt. Eddy 2743 Comment
  POM88259  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1908-8-5 348 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  HSC90743  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-8 1343 Siskiyou SW of Dobkins Lake along drainage into the lake 2317 Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA85694  Potentilla gracilis var. fastigiata E. E. Stanford 1930-8-14 2079 Siskiyou Below summit of Sonora Pass. 2896 Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  UCD113809  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, ca. 22 miles northeast of Weed. Comment
  UCD20355  Potentilla millefolia Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  CAS-BOT-BC516386  Prosartes hookeri Doris K. Kildale 1929-8-24 9078 Siskiyou Rattlesnake Meadow, trail to Preston Peak Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  SBBG25356  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake, at base on E side of Kings Castle 1981 Comment
  CAS-BOT-BC154674  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou West edge of Lava Beds between Bartle & Lookout Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA17456  Prunus virginiana var. melanocarpa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  SBBG25857  Pseudognaphalium thermale D. Myrick 1966-8-12 1547 Siskiyou rd to Carter Ranch, Mtn Meadow Ranch, Big Flat, Trinity Alps 1584 Comment
  HSC506  Pseudostellaria jamesiana William J. Ferlatte 1967-6-27 535 Siskiyou Big Flat 1524 Comment
  HSC75249  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-17 4474 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS121604  Pseudostellaria jamesiana Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. Fen / wet meadow on ultramafic soil. Mount Eddy quadrangle. Comment
  POM101810  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  HSC44886  Pseudotsuga menziesii var. menziesii Maralyn O'Meara 1974-5-25 398 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC60994  Pseudotsuga menziesii var. menziesii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC460553  Pterospora andromedea Alice Eastwood 1921-7-24 10799 Siskiyou Castle Lake Comment
  SEINET202667  Pteryxia terebinthina var. californica Willis L. Jepson 13488 Siskiyou Lake Sisson Mt Shasta. Comment
  JEPS107958  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  LA208177  Purshia tridentata W. B. C.; 1938-6-24 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA449672  Purshia tridentata var. tridentata N. R. Zabriskie, W. Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just E of McCloud. SE of Mt Shasta. Comment
  UC1037458  Purshia tridentata var. tridentata Douglas Barbe 1955-6-28 13 Siskiyou 0.4 mi n Callahan (Great Basin, hills to right of road); Klamath Mountains 1005 Comment
  UC1282004  Pycnanthemum californicum Louise Kellogg 1953-8-4 96 Siskiyou near Scott River n Callahan (edge of Scott Valley, Scott Mountains); Scott Mountains, near Scott River Comment
  RSA0084311  Pyrola dentata Diana D. Jolles, Erik M. Beaston 2011-8-26 483 Siskiyou Klamath National Forest, Alcohol Crater. 2113 Comment
  HSC30474  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Salmon Mts., before Hen Creek along main N Fork Trail between Fivemile Stockgate and Abbott's Upper Cabin 1098 Comment
  UC1190175  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  CAS-BOT-BC68645  Quercus chrysolepis John Thomas Howell 1937-7-26 13543 Siskiyou Caribou Gulch Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  CAS-BOT-BC94660  Quercus garryana Lewis S. Rose 1945-6-22 45169 Siskiyou Beaver Creek & Klamath River 548 Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  UC249561  Quercus garryana Joseph P. Tracy 1922-9-3 6113 Siskiyou Somes Bar Northern Coast Ranges 243 Comment
  CAS-BOT-BC94647  Quercus garryana Doris K. Kildale 1928-7-25 5871 Siskiyou Klamath River - Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  SFV17716  Quercus garryana var. breweri J. M. Tucker 1972-8-8 4245 Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  CDA15399  Quercus garryana var. garryana G. F. Hrusa 1997-9-18 14108 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  RSA47667  Quercus kelloggii Roxana S. Ferris, Laura Lorraine 1948-6-12 11861 Siskiyou 2.6 miles below summit of Gazelle Mountain Grade, east side. 1418 Comment
  UCD46670  Quercus kelloggii J. M. Tucker 1948-8-3 1773 Siskiyou Ca. 0.6 mile west of Happy Camp, Siskiyou County, California. 335 Comment
  HSC27079  Quercus sadleriana J. P. Smith, J. O. Sawyer 1972-9-13 5789 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC68333  Quercus sadleriana Maralyn A. Renner 1980-6-26 1237 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC68425  Quercus sadleriana Maralyn A. Renner 1980-7-4 1448 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC87769  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  JEPS25626  Quercus sadleriana Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7263 Siskiyou Poker Flat 1536 Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  UCD47242  Quercus sadleriana D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1524 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  RSA82852  Quercus sadleriana J. M. Tucker, R. Tofsrud 1948-8-3 1779 -C Siskiyou Summit of Happy Camp - O'brien (Oregon) road. On Del Norte-Siskiyou county line. 1555 Comment
  CAS-BOT-BC104617  Quercus vacciniifolia William Bridge Cooke 1941-9-16 16320 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC104631  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  HSC535  Quercus vacciniifolia William J. Ferlatte 1967-8-23 1085 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  HSC68399  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1450 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  JEPS94789  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UC375250  Quercus vacciniifolia Geo. D. Butler 1908-8-5 230 Siskiyou West Fork of Woolly Creek Comment
  RSA733905  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UCD95823  Ranunculus alismifolius var. alismifolius Robert E. Preston 2001-6-23 1608 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1981 Comment
  UC922305  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-29 5902 Siskiyou Trail to Hidden Lake Marble Mountains, Sky High Valley (by way of Campbell Lake trail, facing n to Marble Ridge) 1767 Comment
  HSC60673  Ranunculus flammula var. ovalis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  SEINET10619535 Image available Ranunculus occidentalis var. dissectus Harley P. Chandler Chandler 1691 Siskiyou Ridges and meadows near Marble Mountain. Siskiyou County. 2286 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  HSC19435D  Ranunculus uncinatus J. O. Sawyer 1969-7-11 855 Siskiyou Ravine above C.C.C. road. 1280 Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  RSA700048  Rhododendron californicum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CAS-BOT-BC419728  Rhododendron columbianum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -080 Siskiyou Lower Parks Creek Lake margin. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  CHSC71576  Rhododendron neoglandulosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9430 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  CHSC57405  Rhus aromatica L. P. Janeway 1984-4-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
Read comments
Nov 25 2011
  UC618608  Ribes cereum W. Bridge Cooke 1938-6-17 11032 Siskiyou Sisson Southern Trail Mount Shasta Comment
  NY185916  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  HSC34131  Ribes lacustre J. O. Sawyer 1969-7-23 1177 Siskiyou Along Horse Range Creek 1555 Comment
  HSC45028  Ribes lacustre Maralyn O'Meara 1974-5-25 403 Siskiyou Along road to Duck Lakes trail 1402 Comment
  JEPS84300  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 a Siskiyou Takilma to Happy Camp (Indian Creek Road, n-facing road bank and ledges above, just s of state line) Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC173292  Ribes lacustre Annetta Carter 1934-8-13 709 Siskiyou Watershed of West ranch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  HSC65689  Ribes lobbii J. P. Smith, Steve Selva 1970-6-15 3964 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  HSC34303  Ribes marshallii J. P. Smith, J. O. Sawyer 1973-8-14 7299 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  CAS-BOT-BC199991  Ribes roezlii var. cruentum John Thomas Howell 1939-8-11 15286 Siskiyou Near mouth of Canyon Creek Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  RSA0024597  Ribes roezlii var. cruentum Roxana S. Ferris, Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  UC165272 Image available Ribes sanguineum Geo. D. Butler 1909-4-26 671 Siskiyou Quartz Valley Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168801  Ribes viscosissimum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  HSC64674  Ribes viscosissimum J. O. Sawyer 1977-7-6 3033 Siskiyou South of Little Duck Lake 2134 Comment
  HSC76998  Ribes viscosissimum K. T. Stillman 1976-6-25 91 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UCD102537  Ribes viscosissimum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 2042 Comment
  CAS-BOT-BC362934  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou Yreka Comment
  HSC13752  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  RSA597966  Romanzoffia sitchensis Louis C. Wheeler 1963-8-31 8321 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC74654  Rorippa curvisiliqua Doris K. Kildale 1928-7-4 5530 Siskiyou 1.5 mile west of summit of divide between Salmon River and Scott Valley. Comment
  CDA25118  Rorippa curvisiliqua T. C. Fuller 1962-8-3 9512 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  UC1871388  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  CAS-BOT-BC146749  Rosa gymnocarpa Alice Eastwood 1921-7-31 11018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146765  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC65555  Rosa gymnocarpa R. White 1977-7-21 119 Siskiyou Slope below outlet of Raspberry Lake. 1512 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
  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
  CAS-BOT-BC146760  Rosa gymnocarpa W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mi. post, Salmon Creek, Salmon Mts. Comment
  CAS-BOT-BC147073  Rosa pisocarpa Alice Eastwood 1912-8-28 1958 Siskiyou Sisson Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  RSA237589  Rubus lasiococcus Frederick W. Oettinger 1967-7-30 227 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  HSC44380  Rubus parviflorus Maralyn O'Meara 1973-6-25 235 Siskiyou Music Creek 1463 Comment
  JEPS80568  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Pothole in Marble Marble Mt. Wilderness Area, Pothole in Marble 1792 Comment
  UC1483553  Rubus ursinus John Palmer 1980-8-12 713 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC422221  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC30285  Rumex acetosella William J. Ferlatte 1969-6-25 1177 Siskiyou Big Flat 1524 Comment
  JEPS124694 Image available Rumex acetosella P. L. Billings 1965-7-19 125 Siskiyou 7 mi North of McCloud. Meadow beside roadway on HWY 89. Comment
  UC55517  Rumex acetosella T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  JEPS39903  Rumex salicifolius var. denticulatus W. L. Jepson 1937-7-30 18534 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1554 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  HSC29616  Sagina saginoides Frederick W. Oettinger 1969-8-22 1495 Siskiyou Marble Mtn. Wilderness Area, SE of Horse's Hole, near Horse Range Lake 1820 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103369  Salix bonplandiana W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  HSC78193  Salix eastwoodiae L. P. Janeway 1983-7-10 409 Siskiyou Poker Flat 1524 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC107779  Salix hindsiana Lewis S. Rose 1945-6-22 45172 Siskiyou Beaver Creek & Klamath River 548 Comment
  UC144310  Salix lasiandra subsp. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  UC481718  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 468 Siskiyou ca. 21 km. n.w. Shasta City (meadow 180 m. below Dobkin's Lake, n. side Mt. Eddy); Mt. Eddy 1770 Comment
  CAS-BOT-BC125460  Salix lasiandra var. lasiandra John Thomas Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SD1002  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf Ranch house 1424 Comment
  CAS-BOT-BC107080  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  CAS-BOT-BC107085  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 853 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SD37397  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  SD898  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North Side of Mount Eddy, about 21 km northwest of Shasta City, meadow 300 m below Dobkin's Lake 1650 Comment
  UC576377  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 852 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  HSC28665  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake 1890 Comment
  POM107035  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek. Comment
  POM107047  Salix lucida subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek. Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  CAS-BOT-BC125684  Salix melanopsis Doris K. Kildale 1928-8-18 6416 Siskiyou North Fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp 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
  UC481722  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou 13 km. n.w. Shasta City (1.3 km. e. of Burney Mill, beside creek at bridge, n. base Mt. Eddy); Mt. Eddy 1100 Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  HSC91184  Salix sitchensis Jennifer Whipple 1976-6-19 1065 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  UC1124683  Salvia dorrii var. dorrii M. H. Mitchell 1936-5-21 Siskiyou Frozen River Cave; Modoc Lava Beds National Monument, Dorris Quad. 1356 Comment
  RSA12602  Sambucus caerulea C. B. Wolf 1934-7-6 5984 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  HSC674  Sambucus racemosa var. melanocarpa William J. Ferlatte 1967-7-26 747 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  UC164236  Sanguisorba annua Geo. D. Butler 1900-6-3 1468 Siskiyou Quartz Valley Comment
  UC1400371  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou just nw of Upper English Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  OBI55094  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou East slope of Little Grayback Peak near summit 1737 Comment
  UCD20772  Santolina chamaecyparissus Steve Orloff 2002-6-25 s.n. Siskiyou Siskiyou County. City of Granada, south of Yreka. Comment
  SBBG21922  Saponaria officinalis D. Myrick 1964-7-25 974 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  POM211804  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  CHSC114398  Saussurea americana D. H. Shaw; T. C. Fuller 1974-9-24 20045 Siskiyou S.W. slope of White Mtn., Siskiyou Mts. Comment
  JEPS84268  Saxifraga aprica L. R. Heckard with J. Hickman et al. 1986-7-17 6465 Siskiyou 5 mi n of the town of Seiad Valley (Trail up Kangaroo Peak, s of Lily Pad Lake); Kangaroo Peak 2011 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA184816  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  JEPS47485  Saxifraga nidifica var. nidifica Geo. D. Butler 1909-4-25 781 Siskiyou at lower end of Shackleford Creek (Quartz Valley, an arm of Scott Valley); Quartz Valley, arm of Scott Valley, Shackleford Creek 853 Comment
  JEPS47487  Saxifraga nidifica var. nidifica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  UC187668  Saxifraga oregana Mrs. R. M. Austin July 1884 122 Siskiyou Pot Hole Springs Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC445869  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  RSA210792  Schoenoplectus maritimus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39029 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UCD141268  Scirpus microcarpus P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Trity Young Ranch. Comment
  CHSC75723  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southwest of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC164007  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goosenest Foothills 1219 Comment
  UC1713628  Scutellaria nana W. Bridge Cooke 1940-7-26 15370 Siskiyou near the south bank of Diller Canyon (on the w side of Shastina); Mount Shasta, Shastina 2743 Comment
  CHSC88374  Secale cereale Jenny Marr 1993-7-1 180 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  JEPS100525  Sedum divergens Dean W. Taylor 1996-7-25 15869 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  CAS-BOT-BC64655  Sedum kiersteadiae Wm. Bridge Cooke 1939-8-10 13894 Siskiyou East Bank of Mud Creek near bottom of canyon. 1676 Comment
  RSA0059720  Sedum lanceolatum L. C. Wheeler 1934-8-9 3075 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. Mt. Diablo Mer. North slope. 1921 Comment
  JEPS96690  Sedum laxum subsp. flavidum Dean W. Taylor 1997-6-12 16064 Siskiyou 4 mi west of Gazelle; Shasta Valley, Willow Creek 944 Comment
  HSC101238  Sedum laxum subsp. heckneri P. F. Zika 2011-7-19 25640 Siskiyou W side of FS Rd. 1040, 2.9 road miles above junction with FS Rd. 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  CAS-BOT-BC61475  Sedum laxum subsp. laxum Alice Eastwood 1912-9-11 2142 Siskiyou Trail to Black Butte from Waldo Comment
  JEPS48029  Sedum obtusatum W. L. Jepson 1907-7-9 2867 Siskiyou Klamath Range near Putnam Peak (Kelsey Trail); Klamath Range near Putnam Peak Comment
  CAS-BOT-BC64639  Sedum obtusatum subsp. boreale Robert Theodore Clausen; Harold Trapido 1940-7-26 4952 Siskiyou East side of Mud Creek Canyon, Mt. Shasta. 1706 Comment
  HSC69123  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2385 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC90581  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-9 1393 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC64083  Sedum oregonense Doris K. Kildale 1928-7-4 5468 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA0035469  Sedum oregonense Peter F. Zika 2011-7-19 25647 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  RSA0083646  Sedum oregonense L. C. Wheeler 1935-6-27 3604 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  RSA0083654  Sedum oregonense W. J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge; steep, N-facing slope. 2287 Comment
  UC1258460  Sedum radiatum Maralyn A. Renner 1980-7-23 1822 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  JEPS83983  Sedum rosea subsp. integrifolium L. R. Heckard with J. Hickman et al. 1986-7-17 6520 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  UCD102018  Sedum stenopetalum Alfred H. Murphy 1961-7-20 61 - Siskiyou Marble Mtns., Klamath National Forest, divide bewteen Elk and Rainly Valley. 1981 Comment
  HSC29491  Selaginella scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou Marble Mtn. Wilderness Area, slope W of Horse Range Lake 1905 Comment
  HSC99739  Selaginella scopulorum J. O. Sawyer 1969-7-25 1541 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  LA209667  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-8 827 Siskiyou N of town of Horse Creek, along trail from Siskiyou Summit to White Mountain 1523 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  SEINET196520  Senecio aronicoides R. Tofarud, J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows south slode on Mt. Shasta 2408 Comment
  JEPS109257  Senecio fremontii var. fremontii D. W. Taylor 2002-7-29 18284 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  CAS-BOT-BC363939  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-9 629 Siskiyou Humbug road Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC60778  Senecio triangularis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  CAS-BOT-BC364420  Senecio triangularis D. H. Norris 1968-7-29 2214 Siskiyou Along trail from Big Flat to Yellow Rose Mine. 1828 Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  POM5593  Senecio triangularis E. B. Copeland 1903-8-19 3811 Siskiyou Mt. Eddy. 1463 Comment
  CAS-BOT-BC240271  Setaria viridis Catherine Best 1982-7-23 s.n. Siskiyou Along the edge of Hwy 5 near about 5 miles south of Weed Comment
  HSC86539  Sibbaldia procumbens D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, base of Red Butte 2134 Comment
  RSA237595  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Near Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1483451  Sidalcea glaucescens Maralyn A. Renner 1980-6-23 997 Siskiyou West Fork Seiad Creek , Seiad Valley Quad. (Klamath National Forest) 877 Comment
  POM84123  Sidalcea malviflora subsp. asprella Geo. D. Butler 1909-6-4 768 Siskiyou Fields near Guka Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  HSC46148  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-17 4476 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC76675  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-21 280 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC74919  Silene campanulata subsp. glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9966 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC68019  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6370 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  CAS-BOT-BC387055  Silene douglasii R. C. Wenk 2006-9-2 558 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Growing in dry coniferous forest by side of trail, above Big Conrad Creek 1950 Comment
  JEPS57175  Silene grayi L. R. Heckard 1967-8-13 1700 Siskiyou summit region of Mt. Eddy 2743 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC389433  Silene lemmonii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  HSC99987  Silene lemmonii Thomas W. Nelson 2005-7-16 9379 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  CAS-BOT-BC389527  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou Near Yreka Comment
  CAS-BOT-BC389529  Silene menziesii Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  UCD78002  Silene menziesii Robert E. Preston 2002-7-11 1899 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  CAS-BOT-BC389535  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  POM151575  Silene menziesii var. viscosa Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  HSC68010  Silene vulgaris J. P. Smith, Steve Selva 1970-6-15 3893 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  SEINET3920543  Sisyrinchium bellum Douglass Henderson 1985-6-8 6974 Siskiyou Shasta-Trinity NF along Hwy 89 between McLeod and Susanville, ca 1 mile SE of Bartle. Along north side of Hwy.; 0 1207 Comment
  UC1409216  Smilacina racemosa Frederick W. Oettinger 1968-8-7 438 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  JEPS62162  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou camp below Cold Spring; Woolly Creek 1676 Comment
  POM109214  Smilax jamesii Geo D. Butler 1910-6-6 1466 Siskiyou Quartz Valley Comment
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Mar 29 2015
  CDA5945  Solanum dulcamara E. Deal 1963-10-1 Siskiyou Shasta Valley; Paul Kottel property, Grenada. 0 Comment
  RSA496333  Solanum umbelliferum Elaine Joyal, D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  POM211817  Solidago canadensis subsp. elongata L. C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  JEPS32371  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Shackelford Creek Comment
  CAS-BOT-BC158927  Sorbus scopulina Alice Eastwood 1912-9-3 2083 Siskiyou North fork Sisson Comment
  CAS-BOT-BC158929  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  CAS-BOT-BC158935  Sorbus scopulina James R. Shevock; David Toren 2000-9-1 20101 Siskiyou Along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055, Applegate River Drainage - Siskiyou Mts., Rogue River National Forest 1432 Comment
  CAS-BOT-BC158938  Sorbus scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1371 Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  POM256526  Sparganium angustifolium Annetta Carter 1939-8-20 1464 Siskiyou Northwest end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC149677  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  UC13093  Spiraea douglasii C. B. Bradley Jun 1879 Siskiyou Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  SEINET7707713  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC152550  Spiraea splendens L. E. Smith 1913-9-1 549 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152555  Spiraea splendens Doris K. Kildale 1929-7-20 8729 Siskiyou Raspberry Lake, near east spur Peston Peak Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  JEPS63047  Stachys ajugoides var. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Butler's Ranch Yreka Comment
  UC618685  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11394 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC76687  Stachys rigida K. T. Stillman 1976-7-30 320 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  POM70360  Stachys rigida subsp. rigida Geo. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek. Comment
  UCD77226  Stachys rigida subsp. rivularis Robert E. Preston 2002-7-12 1902 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC719  Stellaria crispa William J. Ferlatte 1967-8-20 1058 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC181463  Stellaria obtusa Doris K. Kildale 1928-8-18 6467 Siskiyou Near head of north fork of Salmon River at Farley's Upper Camp Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  RSA256591  Stenanthium occidentale J. D. Ackerman, A. M. Montalvo 1974-8-17 425 Siskiyou Western slope Preston Peak ca. 0.5 mile north of Rattlesnake Meadow 1646 Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  HSC65677  Stipa occidentalis var. californica Donald W. Miles 1979-7-27 27 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  UC137022  Streptanthus barbatus J. W. Congdon 1900-8-10 Siskiyou near Sisson 1082 Comment
  HSC70621  Streptanthus barbatus J. M. DiTomaso 1980-8-25 1907 Siskiyou Junction of FS Rd. 40N30 and 40N64 on way to Gumboot Lake from Mt. Shasta City Comment
  CAS-BOT-BC87878  Streptanthus tortuosus R. C. Wenk 2008-7-23 903 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2316 Comment
  JEPS84282  Streptanthus tortuosus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 a Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  SEINET10448520  Streptanthus tortuosus Mary Merello 1993-6-23 Merello 700 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  RSA210857  Suaeda calceoliformis R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-3 39041 a Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  JEPS47018  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka (Butler's Ranch) Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka Comment
  UC585194  Swertia albicaulis var. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1890 Siskiyou about 2 mi s Yreka 822 Comment
  CAS-BOT-BC234787  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC58869  Symphyotrichum bracteolatum Marvin Butler 1971-8-31 309 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1220 Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  CAS-BOT-BC97948  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  OBI55527  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23518 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CDA17129  Taeniatherum caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  CAS-BOT-BC81341  Taxus brevifolia Elmer I. Applegate 1930-8-9 6599 Siskiyou Top of high divide south of Cameron Meadow, Siskiyou Mountains, headwaters of Applegate River Comment
  CAS-BOT-BC85244  Taxus brevifolia Doris K. Kildale 1929-7-20 8661 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  RSA237817  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Northeastern side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC85234  Taxus brevifolia W. R. Dudley 1901-8-22 s.n. Siskiyou W. slope of Foxtail Ridge Salmon Mountains Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  CAS-BOT-BC392305  Thalictrum fendleri D. M. Traugh 1933-8-7 15 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  POM143233  Thelypodium brachycarpum Geo. D. Butler 1910-8-21 1850 Siskiyou Shasta Valley Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  UC909331  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou shoreline of lower Klamath Lake Klamath Lake 1280 Comment
  HSC24813  Thelypteris nevadensis J. O. Sawyer 1969-7-23 1441 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  RSA237510  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  RSA716148  Thinopyrum intermedium L. Ahart, John Dittes 2005-6-10 12121 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
  JEPS105430  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC1483564  Thlaspi montanum var. montanum Maralyn A. Renner 1980-6-26 1153 Siskiyou Flint Valley , Dillon Mtn. Quad., Flint Valley (Klamath National Forest) 1389 Comment
  UC1090399  Tofieldia occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp Klamath National Forest 1524 Comment
  UC1190164  Tolmiea diplomenziesii Ira L. Wiggins 1955-7-24 4270 Siskiyou trail at crossing China Creek (above diversion dam) 1301 Comment
  HSC70529  Tonella tenella J. P. Smith 1973-5-5 6509 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  POM127970  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 miles below Hornbrook Comment
  JEPS81832  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  JEPS84231  Trautvetteria caroliniensis var. occidentalis L. R. Heckard with J. Hickman et al. 1986-7-17 6524 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  CAS-BOT-BC519561  Triantha occidentalis subsp. occidentalis Alice Eastwood 1912-7-22 1313 Siskiyou Sisson Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 Siskiyou Overflow area, on the north side of the Shasta River, about 100 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
  RSA602844  Tribulus terrestris Louis C. Wheeler 1935-7-13 3657 Siskiyou Ager. 793 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  JEPS24009  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6870 Siskiyou about 3 mi n (below) Scott Mtn. (road summit, on road to Callahan) 1219 Comment
  HSC99288  Trichostema simulatum C. B. Wolf 1927-8-26 1054 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  RSA583104  Trifolium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  UCD166858  Trifolium arvense Robert E. Preston 2016-7-7 3060 Siskiyou 4.2 mi NE of Forks of Salmon, along Sawyers Bar Rd, near mouth of Big Creek. 478 Comment
  UCSC000422  Trifolium cyathiferum I. J. Condit 2011-7-7 s.n. Siskiyou Shasta Retreat Comment
  RSA322035  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-4 12901 Siskiyou 8.1 miles west of Gazelle. Comment
  UCD143686  Trifolium cyathiferum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat; between Happy Camp and O'Brien, Oregon. Comment
  POM27526  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1910-6-6 1457 Siskiyou Quartz Valley Comment
  UC164078  Trifolium howellii Geo. D. Butler 1908-5-3 385 Siskiyou below Log Lake (canyon); Shackleford Creek Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  JEPS65935  Trifolium macrocephalum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UCD111340  Trifolium macrocephalum B. Crampton 1959-4-1 s.n. Siskiyou Ernie Solus ranch; Dryland pasture, Edgewood area. 914 Comment
  UC375416  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou upper end Quartz valley Comment
  UC16894  Trifolium variegatum var. melananthum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC454715  Trifolium variegatum var. variegatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA210810  Triglochin maritima Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39043 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  UC1483575  Trillium ovatum Maralyn A. Renner 1980-6-26 1180 Siskiyou n. edge Flint Valley; Klamath Nat'l Forest, Dillon Mt. Quad, Flint Valley 1389 Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  RSA605355  Trillium ovatum subsp. ovatum Louis C. Wheeler 1959-7-25 7599 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  SEINET10506952  Trisetum Mary Susan Taylor 1980-8-18 Taylor 3262 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD39960  Trisetum canescens R. Tofsrud 1948-8-3 s.n. Siskiyou Del Norte Line. Comment
  UCD93490  Trisetum canescens Geo. D. Butler 1910-7-12 1753 Siskiyou Shackleford Creek. Comment
  CHSC70214  Trisetum spicatum Jennifer Whipple 1977-7-22 2046 Siskiyou Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2286 Comment
  HSC61491  Trisetum spicatum Ruby Van Deventer 19 Jul [year missing] Siskiyou Lookout Mtn. Comment
  SEINET10960259  Trisetum spicatum A. Arthur Heller 1914-8-28 Heller 11735 Siskiyou Found sparingly on the east side of Mt. Eddy, in granite. Near pine trees. It grows in scattered tufts. 2438 Comment
  HSC46189  Triteleia crocea Jennifer Whipple 1977-4-30 1871 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC15040  Triteleia crocea W. P. Gibbons May 1896 Siskiyou Comment
  UC160439 Image available Triteleia crocea I. J. Condit 1911-7-27 Siskiyou Castle Lake; ; Castle Lake, Siskiyou Co. 1981 Comment
  UCSB25012  Triteleia crocea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC522344  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  SEINET10534136  Triteleia ixioides subsp. anilina A. Arthur Heller 1916-6-20 Heller 12413 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest, 3900 feet. The prevalent tree is Douglas Fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. Comment
  SEINET10905135  Triteleia ixioides subsp. anilina Mary Susan Taylor 1980-7-8 Taylor 3110 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  CAS-BOT-BC74091  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  RSA211434  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin. 1982 Comment
  CAS-BOT-BC199232  Vaccinium membranaceum Doris K. Kildale 1928-8-19 6548 Siskiyou 1/4 mile south of Hancock Lake, on trail to Marble Mt Comment
  HSC19116  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1785 Siskiyou Along Sugar Creek. 1921 Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  HSC27969  Vaccinium parvifolium Carl W. Mize 1972-9-24 129 Siskiyou 732 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  CAS-BOT-BC199529  Vaccinium uliginosum Wm. Bridge Cooke 1939-7-7 13606 Siskiyou At Wagon Camp 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
  JEPS9389  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1908-8-4 56 Siskiyou Shackelford Creek 1676 Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  JEPS88919  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  HSC96886  Veratrum viride Gordon Leppig 1997-8-23 671 Siskiyou Russian Wilderness, Little Duck Lake Fen