Search Results — 2000 specimen records retrieved (1409 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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-BC78131  Abies X shastensis Elmer I. Applegate 1895-5-30 668 Siskiyou West slope of Mt. Shasta, above Sisson, Strawberry Valley Comment
  HSC30656  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou Marble Mtn. Wilderness area, E side of English Lake 1784 Comment
  HSC44740  Abies X shastensis Maralyn O'Meara 1974-5-25 397 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC77936  Abies amabilis Eugene L. Parker 1961-10-3 s.n. Siskiyou Below summit of Copper Butte on northern edge of Colony, Klamath National Forest 1920 Comment
  HSC4980  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  CAS-BOT-BC73503  Abies concolor Elmer I. Applegate 1935-6-6 9368 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
Read comments
Jul 10 2010
  RSA498100  Abies grandis L. C. Wheeler 1934-8-20 3195 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  HSC44945  Abies lasiocarpa J. O. Sawyer 1978-6-18 3240 Siskiyou Marble Mountain Wilderness, Shelly Meadows 1921 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  LA6389  Abies magnifica var. shastensis Wm. Bridge Cooke; 1939-8-22 13885 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  SBBG132985  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11332 Siskiyou near Panther Meadows, Mount Shasta, 2835 Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  HSC60847  Acer glabrum var. torreyi Ruby Van Deventer 1962-8-15 Siskiyou Above Bell Echo Camp in Youngs Valley 1220 Comment
  JEPS42664  Acer macrophyllum Geo. D. Butler 1909-5-31 767 Siskiyou Humbug Comment
  UC415462  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  HSC22298  Achillea millefolium J. O. Sawyer 1969-6-11 823 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  RSA463115  Achillea millefolium var. californica S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  POM115236  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  JEPS72939  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-28 20054 a Siskiyou McCLoud 975 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  CHSC91384  Achyrachaena mollis Lowell Ahart; John Dittes 2005-6-10 12113 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCD104570  Acmispon A. A. Heller 1920-7-6 13419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. Comment
  SD113630  Acmispon americanus Darley F. Howe 1977-7-2 4979 Siskiyou Scott River resort area. 609 Comment
  CDA24172  Aconitum columbianum F. D. Horn 1979-7-22 Siskiyou Duck Lake Creek, near Etna. 0 Comment
  CAS-BOT-BC391511  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt Eddy 1828 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  CAS-BOT-BC391514  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  JEPS84233  Actaea rubra L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6298 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM56894  Adenocaulon bicolor E. B. Copeland 1903-9-5 3925 Siskiyou Foot of Mt. Eddy 1189 Comment
  UC637170  Adiantum aleuticum Edward Lee 1934-8-11 1033 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  RSA239284  Adiantum aleuticum Frederick W. Oettinger 1966-6-23 28 Siskiyou Cecil Creek about 100 yards from where it crosses Black Gulch Road, Salmon River District, Klamath National Forest, Cecilville Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  CDA1647  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou RR siding, Montague. 0 Comment
  CAS-BOT-BC123  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  CHSC12950  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5834 Siskiyou Vicinity of Blue Grotto Cave, Lava Beds National Monument. 1456 Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  CAS-BOT-BC21326  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1949-7-22 5839 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 1920 Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC61853  Agoseris grandiflora Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC15378  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CDA3361  Agrostemma githago William J. Ferlatte 1978-6-25 1909 Siskiyou Big Springs Area. 1/4 mile north of Road A12, 1 mile east of Four Corners. 0 Comment
  UC203919  Agrostis alba Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC126987  Agrostis exarata Louis C. Wheeler 1934-6-26 2792 Siskiyou Cottonwood Creek. Siskiyou Mountains. 838 Comment
  HSC85690  Agrostis gigantea J. P. Smith 1980-8-24 10339 Siskiyou Scott Mountain Campground 1646 Comment
  RSA215626  Agrostis idahoensis Gilbert Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak 2226 Comment
  CAS-BOT-BC138928  Agrostis pallens John Thomas Howell 1939-8-9 15210 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC41132  Agrostis stolonifera J. P. Smith, Steve Selva 1970-8-8 4554 Siskiyou Juanita Lake Comment
  LA10270  Agrostis stolonifera J. R. Swallen; 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  CAS-BOT-BC138477  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC138483  Agrostis variabilis A. A. Heller 1922-7-15 13697 Siskiyou On the edge of the small lake at Medicine Lake. 2133 Comment
  HSC22461  Agrostis variabilis J. O. Sawyer 1969-8-5 1962 Siskiyou Slopes W of S Sugar Creek 1799 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  UC1037382  Alisma plantago-aquatica Douglas Barbe 1955-7-5 108 Siskiyou e limit Greenview (on road to Fort Jones, s side of road); Klamath Mountains, Greenview 883 Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  POM110310  Allium acuminatum Geo D. Butler 1910-5-17 1357 Siskiyou Dry hill Yreka. Comment
  JEPS118137  Allium amplectens Dean W. Taylor 1988-7-8 9968 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  POM110209  Allium amplectens Geo D. Butler 1910-5-17 1358 Siskiyou Damp land near Yreka. Comment
  HSC77062  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC474287  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UC1299636  Allium siskiyouense Freed W. Hoffman 1950-7-13 3239 Siskiyou higher peak of Baldy Mountain Baldy Mountain 1737 Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  HSC39474  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  SBBG21837  Allium validum D. Myrick 1964-7-25 970 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  CAS-BOT-BC478030  Allium validum Doris K. Kildale 1928-8-19 6545 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC78219  Allium validum L. P. Janeway 1983-8-6 512 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  HSC58964  Allotropa virgata Gilbert Muth 1976-7-28 5061 Siskiyou Near Sutcliffe Creek. Close to the town of Happy Camp, CA. 1415 Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  LA204106  Alnus viridis subsp. sinuata Wm. Bridge Cooke; 1939-8-10 13862 Siskiyou Mount Shasta, around the springs on the walls of Mud Creek Canyon 2133 Comment
  RSA238554  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-24 627 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, between the flumes and Toms Lower Pond. 1890 Comment
  UCD110046  Alnus viridis subsp. sinuata Jack Major 1961-7-14 642 Siskiyou Mud Creek, Mount Shasta. 1706 Comment
  HSC26546  Alopecurus aequalis J. P. Smith, Steve Selva 1970-8-8 4552 Siskiyou Juanita Lake Comment
  UC207706  Alopecurus aequalis Geo. D. Butler 1910-10-13 1837 1/2 Siskiyou Oro Fino Creek Comment
  RSA580862  Alopecurus aequalis var. aequalis L. C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  HSC63075  Alyssum alyssoides David Wheeler 1979-4-8 36 Siskiyou Comment
  CAS-BOT-BC136714  Amelanchier alnifolia var. pumila R. F. Thorne 1969-8-23 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak; Trail to upper English Lake along Salmon River 1159 Comment
  HSC42880  Amelanchier pallida J. O. Sawyer, Ken Stillman 1976-5-29 2732 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC4962  Amelanchier pallida J. O. Sawyer 1968-6-25 313 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136882  Amelanchier utahensis Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CHSC96025  Amelanchier utahensis L. P. Janeway 2006-7-4 8799 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  JEPS24619  Anaphalis margaritacea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6772 Siskiyou in the 1 1/2 mi stretch betw Shasta Rtrt to Mossbrae Falls and Shasta Springs Shasta Retreat; Sacramento River Canon 731 Comment
  RSA68954  Anaphalis margaritacea A. E. Culbertson 1943-7-17 4 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
  JEPS74465  Anemone drummondii W. J. Ferlatte 1966-6-23 120 Siskiyou Trinity Alps, Dorleska summit 2133 Comment
  RSA256596  Anemone lyallii J. P. Smith 1974-5-26 7556 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  CAS-BOT-BC391966  Anemone occidentalis Douglas Barbe; H. K. Wagnon 1957-6-16 13135 Siskiyou North Coast Ranges. Near Summit Scott Mt 1920 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  RSA211132  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  RSA237410  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1967-7-26 194 Siskiyou Along Crapo Peak Ridge about mid-way between summit and where trail to Toms Lake crosses ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  SEINET2038335  Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon. Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CAS-BOT-BC69168  Antennaria dioica John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET2033733  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  HSC68513  Antennaria howellii Maralyn A. Renner 1980-6-26 1079 Siskiyou N edge of Flint Valley 1390 Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC60986  Antennaria media Geo. B. Grant 1902-9-1 5113 Siskiyou Horse Camp Mt Shasta 2438 Comment
  RSA20170  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  SBBG30513  Antennaria rosea D. Myrick 1968-6-26 2031 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  UC88401  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  HSC77074  Antennaria rosea subsp. rosea K. T. Stillman 1976-6-26 108 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  UC725670  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch Comment
  SEINET3158979  Antirrhinum vexillo-calyculatum subsp. breweri G. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain 1067 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  HSC100297  Apera interrupta J. P. Smith, & J. O. Sawyer 2011-6-25 13253 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SBBG15616  Apocynum androsaemifolium D. Myrick 1961-6-20 292 Siskiyou Old McCloud Rd to Bear Springs just E of Mt Shasta City 1097 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  CAS-BOT-BC395148  Aquilegia formosa Alice Eastwood 1912-7-16 1128 Siskiyou McCloud Comment
  HSC82254  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6179 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA105414  Aquilegia formosa G. D. Barbe 1955-6-29 34 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  CAS-BOT-BC397947  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  HSC64334  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC69022  Arabis divaricarpa var. interposita Maralyn A. Renner 1980-7-24 2012 Siskiyou Lily Pad Lake 1768 Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  HSC22438  Arabis holboellii var. pinetorum J. O. Sawyer 1969-6-13 951 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  HSC22083  Arabis platysperma J. O. Sawyer 1969-7-11 1325 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC35792  Arabis platysperma var. howellii J. O. Sawyer 1969-8-4 835 Siskiyou Slopes S of S Sugar Lake 2134 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  JEPS53154  Arabis rectissima var. rectissima Willis L. Jepson 1894-7-24 59 c Siskiyou n of Sisson (Muir's Peak and Upton Plateau); Region of the Upper Sacramento, Black Butte Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC407723  Arceuthobium abietinum William Bridge Cooke 1939-6-30 13574 Siskiyou along the Sisson Southern Trail, Mount Shasta 1066 Comment
  JEPS40133  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  SEINET2471193  Arceuthobium campylopodum R. L. Mathiasen 2009-8-14 2009 -45 Siskiyou 1 km N. of State Route 89 on Shasta Ski Park Rd. 1411 Comment
  UC705588  Arceuthobium campylopodum Marion Ownbey and D. H. Brown 1941-6-22 2425 Siskiyou nw Yreka (w of Craggy Mtn) Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  SEINET2140126  Arceuthobium cyanocarpum R. L. Mathiasen 2007-1 2007 -54 Siskiyou 1.6 km N. of Park Creek trail head on forest road 17. 2000 Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  HSC73232  Arctostaphylos nevadensis Gail Newton 1980-6-20 506 Siskiyou Near Bald Mtn. 1097 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  UC82957  Arctostaphylos nevadensis J. W. Congdon Aug 1900 Siskiyou near Sisson Comment
  CAS-BOT-BC46432  Arctostaphylos patula T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1737 Comment
  CAS-BOT-BC46468  Arctostaphylos patula C. Hart Merriam 1918-9-20 s.n. Siskiyou Happy Camp, Klamath Canyon. Comment
  CAS-BOT-BC46491  Arctostaphylos patula C. B. Wolf 1931-9-2 2394 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud Road. 1158 Comment
  JEPS38840  Arctostaphylos patula W. L. Jepson 1914-8-14 6163 Siskiyou Dunsmuir 670 Comment
  POM77329  Arctostaphylos patula Geo D. Butler 1909-4-11 640 Siskiyou Shasta Retreat. Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1409418  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou just above trail marker between English Lake and Diamond and Hancock Lakes (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  SD88372  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  UCD105962  Arenaria serpyllifolia var. serpyllifolia Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UCSB63908  Arnica chamissonis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou On the east side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18; Lodgepole Pine Forest 1383 Comment
  SEINET3082314 Image available Arnica cordifolia Harley P. Chandler June 1901 1615 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain. 2130 Comment
  JEPS13128  Arnica lanceolata subsp. prima Ruby Van Deventer 1955-8-1 1000 Siskiyou near, close to Del Norte Co line Doe Flat; Del Norte County Line, South Fork Clear Creek 1310 Comment
  HSC22143  Arnica latifolia J. O. Sawyer 1969-7-18 1367 Siskiyou E of Waterdog Lake 2012 Comment
  UCD129209  Arnica latifolia J. M. Tucker; L. K. Mann 1963-7-5 3701 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 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
  HSC62123  Arnica viscosa Al Hobart 1960-7-25 Siskiyou Preston Peak Comment
  JEPS117876  Arnica viscosa unknown 1976-8-2 Siskiyou Gully above Horse Camp Mt. Shasta 2438 Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  RSA142615  Arnica viscosa Philip A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows, Mt. Shasta 2499 Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CDA6799  Artemisia biennis R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  UC710445  Artemisia michauxiana John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  CAS-BOT-BC400587  Asarum caudatum Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  SEINET5470288 Image available Asarum hartwegii George Neville Jones 1967-6-29 45503 Siskiyou Near Dunsmuir- lower slopes of Mt. Shasta- alt. 3000 Comment
  RSA401670B  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  CDA39832  Asclepias speciosa Gordon Leppig, T. LaBanca 1998-7-11 925 Siskiyou French Creek Road. Comment
  HSC30617  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou Salmon Mtns., 1 mi. from Etna Summit on Rd. toward Etna. Comment
  CAS-BOT-BC69556  Aspidotis densa Lewis S. Rose 1945-6-18 45126 Siskiyou Horse Creek & Klamath River. 502 Comment
  HSC23619  Aspidotis densa J. O. Sawyer 1969-7-24 1512 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC1190384  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  CAS-BOT-BC32789  Aster brickellioides Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 2225 Comment
  RSA210867  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39032 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  POM204045  Astragalus californicus Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones road. Comment
  RSA0006720  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  CDA26645  Astragalus curvicarpus Vernon H. Oswald & Lowell Ahart 1998-6-11 9183 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  JEPS117871  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  CAS-BOT-BC186919  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou SE. corner of Siskiyou Co. Comment
  RSA26469  Astragalus lentiginosus var. salinus Alice Eastwood, J. T. Howell 1940-6-14 8271 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  UC1333513  Astragalus purshii var. purshii John F. Davidson 1947-5-17 4634 Siskiyou 5 mi from Callahan, 27 mi from Trinity Center, at first summit of Scott Mt. Road on n slope of Scott Mt. Comment
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  SEINET3127347  Astragalus purshii var. tinctus G. C. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  CHSC836  Astragalus whitneyi var. siskiyouensis E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2133 Comment
  RSA237517  Athyrium americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Inlet meadow to Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  UC1481842  Athyrium filix-femina var. cyclosorum Milo S. Baker 1926-7-14 23 a-26 Siskiyou 4 1/2 mi along forest rd N Fork Mt. Comment
  UC811441  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake; Marble Mts Comment
  CHSC72233  Atriplex triangularis Vernon H. Oswald 1998-9-16 9650 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  JEPS32268  Balsamorhiza lanata Geo. D. Butler 1909-4-14 635 Siskiyou Block 5 Yreka Comment
  UC165277  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Yreka Comment
  RSA59494  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1585 Comment
  JEPS100203  Balsamorhiza sericea Dean W. Taylor 2002-6-10 18121 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  HSC39830  Barbarea orthoceras J. O. Sawyer 1969-7-18 1369 Siskiyou Along S Russian Creek below Russian Lake 2012 Comment
  UC642586  Barbarea orthoceras unknown 1939-6-23 13509 Siskiyou Bear Springs meadow; Mount Shasta Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  JEPS82697  Berberis aquifolium var. aquifolium Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow); South China Mt 2286 Comment
  HSC22119  Berberis aquifolium var. repens J. O. Sawyer 1969-6-11 837 Siskiyou NE facing slope near C.C.C. Rd. on the N fork of Horse Range Creek 1341 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CAS-BOT-BC75723  Berberis nervosa Alice Eastwood 1917-9-2 6685 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC75935  Berberis piperiana Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  UCD94997  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou On Quartz Valley (Mill Creek). 883 Comment
  CDA38214  Berula erecta T. C. Fuller 1959-10-14 3124 Siskiyou York Bros. Ranch, ca. 12 miles northeast of Montague. 0 Comment
  CDA42386  Berula erecta Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  UC1051397  Betula occidentalis Herbert L. Mason 1953-7-30 14580 Siskiyou just n Weed; Shasta River Comment
  POM211183  Bidens frondosa L. C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath River 518 Comment
  CAS-BOT-BC413071  Bistorta bistortoides L. S. Smith 1915-6-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC413074  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CHSC71595  Bistorta bistortoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9436 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  HSC72367  Blepharipappus scaber J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8975 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UC1076190  Blepharipappus scaber Herbert L. Mason 1931-5-9 5873 Siskiyou 4 mi n of Dunsmuir Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  UC538067  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  SEINET193232  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2902 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 305 Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  UC796517  Boechera retrofracta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11762 Siskiyou 1 mi n Callahan (e fork of Scott River); Scott River Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  UC1409353  Boechera suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou n of Hancock Lake (w side of Red Hill, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2057 Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  CAS-BOT-BC30274  Brassica nigra R. E. Frenkel 1964-7-13 676 Siskiyou On graded right of way to west of Everitt Memorial Highway. 1283 Comment
  CDA3601  Brassica rapa T. C. Fuller 1964-6-25 12249 Siskiyou Tulelake National Wildlife Refuge ca. 6 miles southwest of Tulelake. 0 Comment
  NY162750  Brickellia greenei E. L. Greene 1870-8-24 1012 Siskiyou On South Fork of Scott River Comment
  UCD58305  Bromus carinatus L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-Eye Lake. Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  UC1265359  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-13 1351 Siskiyou Salmon Mountains, English Peak, western Siskiyou County English Peak; Salmon Mountains, English Peak 2133 Comment
  CAS-BOT-BC148797  Bromus carinatus var. marginatus Alice Eastwood 1921-7-28 10933 Siskiyou Medicine Lake. Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD58540  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3391 Siskiyou At Weed. Comment
  CAS-BOT-BC155220  Bromus hordeaceus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53574 Siskiyou Yreka. 822 Comment
  HSC65265  Bromus hordeaceus J. P. Smith 1973-5-5 6396 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  RSA239068  Bromus marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA239136  Bromus marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC162129  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  SEINET3245417  Bromus orcuttianus A. A. Heller 1905-1 6454 Siskiyou Near Shasta Springs Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  CAS-BOT-BC161707  Bromus rubens 1951-5-23 90 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  HSC101710  Bromus sterilis J. P. Smith, J. O. Sawyer 2011-6-25 13258 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC1131302  Bromus tectorum M. H. Mitchell 1936-5-14 21 Siskiyou Modoc Lava Beds National Monument, Canby Cross Canby Cross; Modoc Lava Beds National Monument, Canby Cross 1249 Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CAS-BOT-BC520388  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  HSC26483  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-15 4361 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UC1483502  Calamagrostis koelerioides Maralyn A. Renner 1980-8-7 2362 Siskiyou s Rattlesnake Meadow (ridge just to e of saddle); Klamath National Forest, Preston Peak Quad. 1798 Comment
  UCD57332  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  JEPS19745  Callitriche Rimo Bacigalupi with S. Galen Smith 1957-6-27 5976 Siskiyou 20 mi ne of Weed (at margins of marsh of Grass Lake, on route between Weed and Klamath Falls); Grass Lake 1544 Comment
  CAS-BOT-BC85775  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 mi. E. of Fall River on rd. from Dana to Little Hot Springs Valley 1219 Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  NY18928  Calocedrus decurrens H. T. Edwards 08 1875 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
  UC60900  Calochortus macrocarpus Mrs. E. A. Wilson 1902-7-2 Siskiyou Sheep Rock Mount Shasta Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  CAS-BOT-BC132631  Calochortus uniflorus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC132632  Calochortus uniflorus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC44941  Caltha leptosepala J. O. Sawyer 1978-6-20 3263 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  SBBG15882  Calyptridium monospermum D. Myrick 1961-6-21 309 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 Comment
  HSC67818  Calyptridium umbellatum J. O. Sawyer, J. Cole 1980-7-20 3779 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC1190140  Calyptridium umbellatum Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC221261  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  SBBG30597  Calystegia malacophylla subsp. malacophylla D. Myrick 1968-6-27 2033 Siskiyou Big Flat Public Camp, head of Coffee Crk, Trinity Alps 1524 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  CAS-BOT-BC497585  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  JEPS83866  Campanula prenanthoides Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  UC334033  Campanula prenanthoides unknown Sept. 1883 Siskiyou near Shasta Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  CAS-BOT-BC227477  Campanula rotundifolia Dana York 2011-8-12 3043 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  JEPS80538  Campanula rotundifolia Gilbert Muth 1965-8-18 235 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1950 Comment
  POM59331  Campanula rotundifolia E. B. Copeland 1903-9-7 3852 Siskiyou Mt. Eddy. 2744 Comment
  SEINET10840348  Campanula scabrella Raven 1956-9-4 Raven 10415 Siskiyou SUMMIT OF MT EDDY FORMING MATS 2758 Comment
  SEINET10905936  Campanula scabrella England 1987-7-16 ENGLAND s.n. Siskiyou Mt. Eddy Timberline. Comment
  UC890603  Campanula scouleri A. A. Heller 1915-7-18 12106 Siskiyou Metcalf's Ranch Mt. Eddy (ne slope of mountain) 1188 Comment
  RSA37421  Campanula scouleri Marion Ownbey, Fred G. Meyer 1940-7-8 2226 Siskiyou Siskiyou Mountains, Summit. 18 miles North of Happy Camp. Comment
  UC726667  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  UCD77455  Cardamine breweri Robert E. Preston 2001-6-30 1669 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1767 Comment
  JEPS53319  Cardaria draba W. L. Kleaver 1915-5-20 Siskiyou Yreka Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  HSC29660  Carex abrupta Frederick W. Oettinger, R. F. Thorne 1969-8-6 1260 Siskiyou Marble Mtn. Wilderness Area, lower pond, Tom's Lake 1951 Comment
  SEINET10585936  Carex abrupta David Castaner 1989-6-19 Castaner 10240 Siskiyou Along Hwy 3 Between Callahan and Gazelle along a rocky stream. Comment
  UC822760  Carex aquatilis Frank W. Gould 1940-5-14 1229 Siskiyou Bull Meadows Goosenet Mountains, Bull Meadows 1524 Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  CAS-BOT-BC19652  Carex brainerdii William Bridge Cooke 1939-8-10 13859 Siskiyou Mount Shasta. Along the bottom of Mud Creek Canyon. 1981 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  CHSC45249  Carex feta L. P. Janeway 1983-5-29 315 Siskiyou Drainage ditch on north side of Scott River Rd (on north side of Scott River) opposite Indian Scotty USFS campground. 762 Comment
  UC642580  Carex fracta W. Bridge Cooke 1939-7-7 13621 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC76842  Carex fracta L. P. Janeway 1982-8-2 100 Siskiyou Upper Coon Run, 4 mi. up FS 18N30 from S fork Indian Creek 854 Comment
  SEINET10843651  Carex fracta Cyrus G. Pringle 1881-8-23 Pringle s.n. Siskiyou Mount Shasta. 1829 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  JEPS125992  Carex geyeri D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  SEINET3901319  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road.; 0 1676 Comment
  CHSC66550  Carex halliana Vernon Oswald; R. Ondricek-Fallscheer 1996-7-12 8009 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. 2048 Comment
  UC833774  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou at Medicine Lake Medicine Lake 2133 Comment
  CHSC40173  Carex hassei Lawrence Janeway 1982-7-2 32 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  HSC39390  Carex interior J. O. Sawyer 1969-8-5 1954 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  RSA237326  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC31104  Carex lemmonii J. W. Stacey 1939-7-13 13647 Siskiyou Along Squaw Valley Creek in the Heather Meadow. 2377 Comment
  CAS-BOT-BC31308  Carex lenticularis var. impressa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  RSA13905  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  CAS-BOT-BC31628  Carex luzulina var. ablata Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC31674  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  UC1265319  Carex luzulina var. ablata Frederick W. Oettinger 1969-8-22 1504 Siskiyou S side of Horses Hole Horse Range Lake (high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC31621  Carex luzulina var. luzulina John Thomas Howell 1937-7-23 13332 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC58920  Carex mertensii Marvin Butler 1971-8-31 318 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch 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
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  HSC100085  Carex nardina Dana York 2011-8-13 3059 Siskiyou Klamath National Forest, Slopes of Black Mountain. 2105 Comment
  CHSC88399  Carex nebrascensis Jenny Marr 1993-7-1 158 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  HSC7157  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River Comment
  POM173649  Carex nudata Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  JEPS103116  Carex pachystachya L. P. Janeway 2002-7-13 7637 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17 2067 Comment
  SEINET4290612 Image available Carex phaeocephala Unknown 2009-1 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. Mt. Shasta 7.5' quad. Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  HSC37155  Carex rossii J. O. Sawyer 1969-6-12 886 Siskiyou Above Sugar Creek, NW facing slope 1619 Comment
  RSA0079917  Carex rossii D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19529 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud. Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS121653  Carex scabriuscula Kendra Sikes 2011-9-14 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Shallow pond, over gabbro. China Mountain quadrangle. CLS_1D Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  HSC96591  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 480 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7575020 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1968-9-5 710 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble, Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  CAS-BOT-BC117245  Carex spectabilis Paul Clifford Hutchison 1962-8-2 931 Siskiyou Mt. Shasta between Panther Meadow and top of ski lift. 2743 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  HSC39287  Carex spectabilis J. O. Sawyer 1969-8-2 1702 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC39814  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  HSC715  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  POM79940  Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2439 Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  UC618784  Carex subfusca J. W. Stacey 1938-6-24 11082 Siskiyou MacBride Springs Mount Shasta Comment
  CAS-BOT-BC115167  Carex vesicaria A. A. Heller 1922-7-15 s.n. Siskiyou In moist meadows about Medicine Lake 2133 Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  SEINET11998355  Cassiope mertensiana Unknown 1986-1 60402 Siskiyou SW of Cook & Green Pass, Kangaroo Mt 1920 Comment
  RSA238347  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just s. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC241147  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-21 13193 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  RSA165517  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-30 8029 Siskiyou Between Mud Springs and White Mt. 1829 Comment
  UC1408795  Castilleja arachnoidea F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Scott Mountains, Shasta-Trinity National Forest Comment
  RSA249713  Castilleja arachnoidea Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  HSC45204  Castilleja hispida subsp. brevilobata J. O. Sawyer, E. Cope 1977-6-20 2975 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  SBBG40132  Castilleja hispida subsp. brevilobata C. B. Hardham 1961-6-30 8029 Siskiyou between Mud Springs and White Mtn 1828 Comment
  UC726462  Castilleja lacera A. A. Heller 1919-6-20 13260 Siskiyou Metcalf's Comment
  HSC64583  Castilleja lacera J. O. Sawyer 1979-5-26 3362 Siskiyou Along Hwy. 3 on N side of Scott Mtn. 1341 Comment
  HSC69304  Castilleja miniata Maralyn A. Renner 1980-7-24 1985 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC637086  Castilleja miniata Edward Lee 1934-8-15 1128 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  UCD77489  Castilleja miniata Robert E. Preston 2002-7-12 1903 Siskiyou Klamath National Forest, N of Trout Creek 1652 Comment
  CAS-BOT-BC254113  Castilleja miniata Mrs. H. C. Cantelow 1940-6-2 s.n. Siskiyou 9 mi. n.w. of Tennant, Buttle Cr. Meadow Comment
  RSA518884  Castilleja miniata L. R. Heckard, Peter Rubtzoff 1971-8-1 2687 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy range. 1585 Comment
  CAS-BOT-BC32557  Castilleja muscipula var. angustifolia John Thomas Howell 1939-8-4 15059 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CHSC1725  Castilleja pruinosa M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  HSC58884  Castilleja pruinosa Marvin Butler 1971-7-13 127 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1585 Comment
  JEPS23796  Castilleja pruinosa Rimo Bacigalupi with Lincoln Constance 1959-6-17 7156 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Hwy 97) 1066 Comment
  HSC76870  Castilleja pruinosa K. T. Stillman 1976-9-9 468 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  UCD123030  Castilleja schizotricha Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2133 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  UC796506  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11811 Siskiyou At Mule Creek crossing of Scott Mt. Rd 1524 Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  JEPS42444  Ceanothus integerrimus Geo. D. Butler 1908-6-22 411 Siskiyou near Yreka (Butler Ranch) Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  RSA399891  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-6-25 9006 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  HSC69523  Ceanothus pumilus Maralyn A. Renner 1980-6-26 1285 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC59642  Ceanothus velutinus J. P. Smith, Steve Selva 1970-6-16 4047 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  RSA211267  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn, open granitic slopes and ridges. 2470 Comment
  UC1034042  Ceanothus velutinus W. Bridge Cooke 1941-8-21 16214 Siskiyou n side Diller Canyon (Mt. Shasta, w side of Shastina); Mt. Shasta, w side of Shastina Comment
  UCD112842  Ceanothus velutinus J. M. Tucker; L. K. Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  CAS-BOT-BC52802  Ceanothus velutinus var. velutinus A. A. Heller 1919-6-20 13252 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC52840  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson, along the Mt. Shasta trail at perhaps 5000 feet 1524 Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  SEINET7379744 Image available Centromadia fitchii G. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  RSA381929  Cephalanthera austiniae Louis C. Wheeler 1934-6-4 2638 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  SJSU2588  Cephalanthera austiniae H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  CHSC86670  Cerastium dichotomum Jenny Marr 1993-7-1 53 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  UC466591  Cercocarpus ledifolius var. ledifolius Annie M. Alexander and Louise Kellogg 1911-6-27 163 Siskiyou Wildcat Peak 2194 Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  RSA17744  Chaenactis carphoclinia Elmer I. Applegate 1935-6-8 9450 a Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  UC456030  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UCR93373  Chaenactis douglasii var. douglasii Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Service Road 49 (Lava Beds/Medicine Lake Road) within 1 mile of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC276775  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  CAS-BOT-BC141578  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near south shore of Tule Lake Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  JEPS95070  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 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
  UC579118  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava Beds National Monument Comment
  NY19023  Chamaecyparis lawsoniana H. E. Brown 1897-6-1 s.n. Siskiyou Near Sisson 1083.6 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  SEINET3863161 Image available Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath Nat'l forest; road to Happy Camp; mixed coniferous forest.; 0 732 Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  JEPS82487  Cheilanthes gracillima Gilbert Muth 1965-8-6 192 Siskiyou trail backside of Black Mt; Marble Mt Wilderness Area 1920 Comment
  UC1037348  Cheilanthes gracillima Leo Whitney 1935-7-15 3484 Siskiyou 2 mi se Medicine Lake (lava ledge near Bullseye Lake) Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  HSC92340  Chenopodium atrovirens Jennifer Whipple 1977-8-5 2189 Siskiyou Near Little Crater Lake 2195 Comment
  UCR66585  Chenopodium vulvaria L. C. Wheeler 1934-10-6 03307 Siskiyou Yreka. 793 Comment
  RSA478566  Chenopodium vulvaria L. C. Wheeler 1934-9-18 3277 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  JEPS83826  Chimaphila umbellata Wayne Roderick July 1978 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  UC412892  Chimaphila umbellata H. W. Furlong Sept 1901 Siskiyou summit to Ager 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
  POM258013  Chimaphila umbellata subsp. occidentalis C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-8 5300 Siskiyou 15 miles north of Happy Camp on Happy Camp-Tailma Hiway. 915 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC36242  Chrysolepis sempervirens W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Peak Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  UC1265356  Cinna latifolia F. W. Oettinger 1968-9-2 663 Siskiyou sw Upper English Lake (Salmon Mountains); , Upper English Lake 1874 Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  JEPS81788  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
  UC1584312  Cirsium andersonii Julie Kierstead 1990-7-18 90 -107 Siskiyou w of Gumboot Lake (on FS Rd. 40N26, Mt. Shasta R.D.); Mt. Shasta 1950 Comment
  CDA1133  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -A Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CAS-BOT-BC278053  Cirsium cymosum John Thomas Howell 1937-7-29 13649 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  UCD130622  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC286467  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Just south of Gazelle 838 Comment
  CAS-BOT-BC228965  Cistanthe umbellata Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC228983  Cistanthe umbellata John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC228977  Cistanthe umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Mable Mts., Cuddhyi Lake [Cuddihy Lakes] Comment
  UC630641  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1939-4-29 16274 Siskiyou 3 mi n of mouth Salmon River (Somes Bar); Klamath River 243 Comment
  JEPS107395  Clarkia lassenensis Lowell Ahart, John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SBBG30604  Clarkia purpurea subsp. quadrivulnera D. Myrick 1968-6-22 1994 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC164929  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC164975  Clarkia rhomboidea A. A. Heller 1928-6-9 14598 Siskiyou Slopes of Spring Hill near the town of Mt. Shasta 1097 Comment
  UCSB385  Clarkia rhomboidea Myrick, Donald 1961-6-20 Siskiyou near Mt.Shasta City 1066 Comment
  HSC69337  Claytonia cordifolia John Palmer 1980-8-13 783 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  CAS-BOT-BC292669  Claytonia obovata Ira L. Wiggins 1950-5-28 12393 Siskiyou 0.3 miles west of Carmen Lake 1706 Comment
  UC166187  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-13 1550 Siskiyou near Yreka Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  JEPS94258  Claytonia rubra subsp. depressa Vernon H. Oswald and Lowell Ahart 1998-6-11 9219 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  UC163755  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino; Mining Camp Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  CAS-BOT-BC443814  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 207 Siskiyou Castle Creek Comment
  UC61062  Claytonia sibirica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  UCSB23568  Clintonia uniflora Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seiad Valley 1341 Comment
  CAS-BOT-BC499970  Clintonia uniflora Lillian Mott 1976-7-4 33 LM76 Siskiyou On trail to spring, Cook & Green Pass 1463 Comment
  RSA237926  Clintonia uniflora Frederick W. Oettinger 1967-7-26 213 Siskiyou 300 yards up a tributary of upper English Lake on moist bank. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC672465  Collinsia parviflora Dorothy Tebbe 1930-3-28 66 Siskiyou Weed Comment
  UC1112258  Collinsia rattanii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5961 Siskiyou along road to Gumboot Lake, South Fork of the Sacramento River 4 mi sw of junction with North Fork and w of the town of Mount Shasta South Fork of the Sacramento River 1432 Comment
  RSA50224  Collinsia rattanii E. K. Balls 1949-7-9 13931 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CHSC1739  Collinsia torreyi M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  HSC35790  Collinsia torreyi var. wrightii J. O. Sawyer 1969-7-11 1323 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  RSA411151  Collomia grandiflora L. C. Wheeler 1934-6-25 2777 Siskiyou West Fork, Cottonwood Creek. Siskiyou Mts. 1159 Comment
  UC455654  Collomia grandiflora I. J. Condit 1911-7-6 Siskiyou along RR and elsewhere Shasta Retreat Comment
  UC637122  Collomia grandiflora Edward Lee 1934-8-14 1110 Siskiyou w-facing rocky slope below summit (Siskiyou-Del Norte County line); Little Grayback 1767 Comment
  SD143502  Collomia grandiflora D. H. Wilken 1974-7-4 12129 Siskiyou Along Mill Creek, 3.6 miles west of Etna. Comment
  HSC45798  Collomia heterophylla J. P. Smith 1976-5-4 8657 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  CAS-BOT-BC230678  Collomia tracyi Mrs. Dorothy Parker 1961-6-4 882 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  JEPS46198  Collomia tracyi Duncan Dunning 1923-6-12 Siskiyou Sawyers Bar Comment
  SEINET10694144  Conium maculatum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  CAS-BOT-BC286039  Conyza canadensis Wm. Bridge Cooke 1938-7-29 11383 Siskiyou Mount Shasta. Howard Comment
  UC618655  Conyza canadensis unknown 1938-7-29 11383 Siskiyou Howard Mount Shasta, Howard 1219 Comment
  HSC496  Corallorhiza maculata William J. Ferlatte 1966-6-22 111 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC63990  Corallorhiza maculata Geo. B. Grant September, 1902 5155 Siskiyou Mount Shasta 1219 Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  RSA184811  Corallorhiza mertensiana Gilbert Muth 1966-7-14 398 Siskiyou Just above Marble Valley, Marble Mountains 1799 Comment
  UC1607574  Cordylanthus tenuis Barbara Ertter 1990-7-14 9348 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W. of Mt Shasta City 1767 Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  UCR246501  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson, Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir, Panorama Drive north of Hwy I-5. Study site 14 774 Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  CAS-BOT-BC212276  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath Forest 670 Comment
  UC1585391  Cornus nuttallii R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 Siskiyou n. of Seiad Valley (at Cook & Green Pass) 1425 Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  HSC19036  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1401 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  UC637142  Cornus sericea subsp. sericea Edward Lee 1934-8-13 1072 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest (watershed of W. Branch Indian Creek); , W. Branch Indian Creek 1371 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  HSC43824  Crepis monticola Maralyn O'Meara 1974-5-27 478 Siskiyou Along Rd. 47N03 Comment
  UC581312  Crepis monticola G. L. Stebbins Jr. and J. A. Jenkins 1937-6-19 2442 Siskiyou about 1 mi n Scott River (2 mi below Quartz Valley); Wicks Ranch 900 Comment
  JEPS874  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges Comment
  HSC92864  Crepis occidentalis subsp. pumila Jennifer Whipple 1976-6-30 1196 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  HSC69040  Crepis pleurocarpa Maralyn A. Renner 1980-8-7 2359 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET7838867 Image available Crepis pleurocarpa G. D. Butler 1910-7-12 1758 Siskiyou Dry ridge, Shackleford Creek 1372 Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 Comment
  CDA4483  Crocidium multicaule G. Deal 1965-4-2 Siskiyou Butte Valley; Highway 97 south of Dorris. 0 Comment
  HSC19014  Cryptantha affinis J. O. Sawyer 1969-8-1 1673 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CHSC91345  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 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
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC1473428  Cryptantha subretusa Gilbert Jerome Muth 1978-8-3 7501 Siskiyou near Houston Creek (close to town of Callahan); China Mt. Quad. 2346 Comment
  POM72148  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80556  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou S.E. of Sullivan Mine, Cook-Green Region, 3 mi. S. of Blue Ledge Mine 1219 Comment
  CAS-BOT-BC85602  Cupressus bakeri Oliver V. Matthews 1939-7-18 39 Siskiyou N.E. Goose Nest Grove-Goose Nest Region Comment
  NY16588  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Lava flow from Timbered Crater and Little Hot Springs Valley Comment
  POM264855  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou NE Goose Nest Grove; Goose Nest region 1524 Comment
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Oct 13 2013
  RSA22774  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  RSA0008966  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  SEINET8253674  Cupressus bakeri Frank Callahan, John Erwin 1998-8-8 Siskiyou Goosenest Mtn. GrassLake 7.5' Quad; south of Ball Mtn./Little Shasta Rd.; (uphill south of Smith's Sawmill [Historical]). 1676 Comment
  RSA792359  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tule Lake. Growing in potato field. Comment
  UC2014184  Cuscuta campestris R. Wilson 2010-9-8 s.n. Siskiyou Siskiyou County: Near Tulelake. Growing in potato field. Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 Comment
  SEINET13943861 Image available Cymopterus terebinthinus W. B. C. 1941-1 16208 Siskiyou In the Lava Park above Hotlum Station, N side of Mt. Shasta, alt. 5000 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  CDA5637  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou West side of road to McCloud Reservoir, 0.3 mile south of McCloud. 0 Comment
  CAS-BOT-BC114145  Cyperus squarrosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  CAS-BOT-BC136478  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  HSC61803  Cystopteris fragilis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC1037347  Cystopteris fragilis Leo Whitney 1935-7-15 3569 Siskiyou 2 mi se Medicine Lake (stream near Bullseye Lake) 1981 Comment
  UC812183  Cystopteris fragilis John Thomas Howell 1939-8-3 14975 Siskiyou Spirit Lake; Marble Mts. Comment
  HSC30606  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC103042  Danthonia californica J. P. Smith 2014-6-7 13900 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  UC816903  Danthonia californica var. americana John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC96297  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  HSC40239  Darmera peltata J. P. Smith 1976-5-5 8679 Siskiyou Rd. from Sawyers Bar to Somes Bar 488 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
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  CAS-BOT-BC1413  Delphinium andersonii subsp. cognatum Elmer Ivan Applegate 1935-6-2 9282 Siskiyou West base of Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC9570  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  HSC27493  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1972-5-27 5343 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA0125557  Delphinium glaucum Gilbert Muth 1969-8-11 1365 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC9849  Delphinium nudicaule Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  JEPS23356  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou w Yreka; Humbug Divide Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  RSA99311  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  RSA187489  Delphinium nuttallianum H. A. Thomas, John H. Thomas 1954-7-25 s.n. Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  UC165300  Delphinium nuttallianum Geo. D. Butler 1910-3-24 1142 Siskiyou Shasta River hills Comment
  CAS-BOT-BC116159  Delphinium nuttallianum L. E. Smith 1913-4-23 S. N. Siskiyou Hornbrook Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CAS-BOT-BC192466  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  RSA591530  Deschampsia elongata L. C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  UC1265420  Deschampsia elongata Frederick W. Oettinger and R. W. Thorne 1969-8-5 1190 Siskiyou n.w. side English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  HSC77066  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 188 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  UC857353  Descurainia sophia Alice Eastwood 1912-7-16 1135 Siskiyou McCloud Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  CAS-BOT-BC402219  Dicentra chrysantha Volney Rattan 1884-1-1 s.n. Siskiyou Road to Stony Creek down Black Butte Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  HSC629  Dicentra formosa William J. Ferlatte 1966-7-7 218 Siskiyou N side of Caribou Mtn., near Browns Meadow 1982 Comment
  UC1362281  Dicentra formosa K. R. Stern 1965-5-29 2171 Siskiyou ca 15 mi nnw Klamath River (town) (1.2 mi below Deer Camp) Comment
  RSA74750  Dicentra formosa subsp. oregana Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC402548  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12380 Siskiyou Ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  CAS-BOT-BC253634  Dichanthelium acuminatum subsp. acuminatum Doris K. Kildale 1928-8-18 6473 Siskiyou Near head of N fork of Salmon River at Finbey's Upper Camp 1828 Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC153458  Diplacus layneae A. A. Heller 1938-7-12 15248 Siskiyou Five miles north of Weed on U. S. Highway #97 Comment
  CAS-BOT-BC153731  Diplacus nanus Doris K. Kildale 1928-7-4 5481 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UCD137482  Dipsacus M. V. Maxwell 1958-9-1 s.n. Siskiyou Fort Jones. Comment
  HSC68034  Dipsacus fullonum J. P. Smith, Steve Selva 1970-7-17 4433 Siskiyou Tyler Gulch Comment
  JEPS61814  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Russian Creek, Eldredge's Corral Russian Creek; , Eldredge's Corral 1219 Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  CDA31685  Distichlis spicata J. R. Grisham 1963-6-23 Siskiyou Tulelake Wildlife Refuge, Tulelake. 0 Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  HSC37534  Dodecatheon conjugens J. P. Smith 1974-5-26 7572 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  JEPS19784  Downingia pulcherrima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5937 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  CAS-BOT-BC41310  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC41313  Draba pterosperma George Dexter Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1676 Comment
  HSC29186  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, cliffs above English Lake to Diamond Lake trail on English Lake side of pass 2226 Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  SEINET12005663  Draba pterosperma H. P. Chandler 1901-1 1654 Siskiyou Marble Mountain 2438 Comment
  UC856213  Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek Siskiyou Mts., Greenhorn Creek 1005 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  UC144190  Draperia systyla A. A. Heller 1905-6-5 7966 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC401543  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  CAS-BOT-BC159681  Drymocallis glandulosa K. T. Stillman 1976-6-25 80 Siskiyou N side of Elk Valley, Marble Mountain wilderness Area 1798 Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  JEPS74486  Drymocallis lactea var. austiniae W. J. Ferlatte 1966-6-22 92 Siskiyou along the South Fork Salmon River between the campground and Carter's (Trinity Alps); , South Fork Salmon River 1524 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC545672  Drymocallis rhomboidea Louis C. Wheeler 1934-6-18 2732 Siskiyou West Fork Cottonwood Creek Siskiyou Mts., West Fork Cottonwood Creek 1432 Comment
  NY335211  Echinospermum greenei E. L. Greene 1876-5-10 744 Siskiyou Yreka Comment
  CAS-BOT-BC113721  Eleocharis acicularis Carl B. Wolf 1927-8-26 989 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  CAS-BOT-BC113724  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC113106  Eleocharis obtusa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  POM211262  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC227928  Elymus elymoides John Thomas Howell 1937-7-21 13158 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22419  Elymus elymoides var. elymoides J. O. Sawyer 1969-6-12 903 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC100317  Elymus glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13028 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  RSA591658  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou E end White Mt.; Siskiyou Mts. (Mt. Diablo Mer.) 1829 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206592  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  UCD77628  Epilobium anagallidifolium Robert E. Preston 2001-7-21 1722 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC24684  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1793 Siskiyou Along C.C.C. road 1341 Comment
  POM259015  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-8-8 15419 Siskiyou Mount Shasta: Along the lower Squaw Valley Creek just below the McCloud intake along a lane Comment
  UC164409  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-7 166 Siskiyou bank of lake at head of creek West Fork of Wooley Creek Comment
  POM251083  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  POM258624  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15288 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC873286  Epilobium lactiflorum Alice Eastwood 1912-9-1 2058 Siskiyou Mount Shasta Comment
  HSC43866  Epilobium minutum Maralyn O'Meara 1974-5-25 377 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC1618333  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou e. side Mt. Eddy ca. 4 airmiles due w. Mt. Shasta City (at streamlet near end of FR 41N53 ca. 1 mi. n. of Morgan Meadows, rocky roadcut near forest edge); Mt. Eddy 1676 Comment
  UC726396  Epilobium minutum A. A. Heller 1919-6-25 13263 Siskiyou Compton's Prairie Comment
  CDA38114  Epilobium minutum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2649 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  SD75842  Epilobium paniculatum var. jucundum Darley F. Howe 1969-8-31 4674 Siskiyou 7.0 miles north of Weed on road to Yreka. 1006 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  HSC26928  Equisetum hyemale subsp. affine J. P. Smith, J. O. Sawyer 1971-9-18 4832 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  RSA239007  Equisetum hyemale var. affine Frederick W. Oettinger 1966-8-7 50 Siskiyou Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC371171  Equisetum laevigatum G. D. Butler 1909-6-20 880 Siskiyou Yreka Comment
  HSC46758  Equisetum laevigatum William J. Ferlatte 1969-6-25 1179 Siskiyou Big Flat, near campground 1524 Comment
  UCSC004623  Eragrostis Randall Morgan 2004-5-31 4176 Siskiyou Castle Crags State Park, shore of Sacramento River Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 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
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  UC216908  Ericameria bloomeri H. M. Hall 1919-10-2 Siskiyou between Weed and Sisson Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC830817  Ericameria greenei Alice Eastwood 1912-8-29 2040 Siskiyou Mount Eddy Comment
  UCD35437  Ericameria nauseosa Beecher Crampton 1956-8-21 3842 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CHSC105279  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Lake, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  JEPS21401  Ericameria nauseosa var. speciosa W. L. Jepson 1940-6-23 20020 Siskiyou n of Mt. Shasta (Andesite station) 975 Comment
  SEINET516140  Ericameria nauseosa var. speciosa Vernon H. Oswald 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC294306  Ericameria nauseosa var. speciosa Hy Edwards 1875-7-1 649 Siskiyou Strawberry Valley Comment
  CAS-BOT-BC294403  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
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Jul 18 2018
  UCR198036  Ericameria pinifolia Daniel Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill 1488 Comment
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Jul 18 2018
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA50187  Erigeron bloomeri E. K. Balls 1949-7-8 13917 Siskiyou Trail from Scott Mt. Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC75497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 375 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC92416  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-7-9 1399 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC19548  Erigeron cervinus J. O. Sawyer 1969-8-5 1743 Siskiyou W of Little Duck Lake 2073 Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC294909  Erigeron chrysopsidis var. austiniae E. K. Balls 1950-5-17 14717 Siskiyou 1 mi. N. of rd. branching to Black Crater. Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC294910  Erigeron chrysopsidis var. austiniae Annie M. Alexander; Louise Kellogg 1949-7-22 5842 Siskiyou Trail to Kings Castle, top of ridge. Paradise Lake, Marble Mountains 2072 Comment
  UC922270  Erigeron chrysopsidis var. austiniae Annie M. Alexander and Louise Kellogg 1949-7-22 5842 Siskiyou trail to Kings Castle (top of ridge); Marble Mountains, Paradise Lake 1780 Comment
  CAS-BOT-BC297187  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-10 9467 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  JEPS41431  Erigeron inornatus var. inornatus W. L. Jepson 1940-6-30 20067 Siskiyou Fowler's Camp, 6 mi e McCloud; McCloud River,Forest Service Campground 944 Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  CAS-BOT-BC224137  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC248839  Eriogonum compositum var. compositum Doris K. Kildale 1928-7-2 5338 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  UC163807  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River Comment
  CHSC67578  Eriogonum congdonii James D. Jokerst 1992-7-30 3430 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  JEPS108712  Eriogonum congdonii Thomas W. Nelson and Jane P. Nelson 2006-8-4 9471 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08. E side of North-South running ridge. 1670 Comment
  UC909323  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou near Chinquapin (Scott Mountain); Scott Mountain 1524 Comment
  CHSC99723  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 B Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  RSA237985  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Little Medicine Mountain, north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  JEPS57004  Eriogonum elatum var. elatum W. L. Jepson 1914-8-14 6164 Siskiyou Dunsmuir 670 Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  CAS-BOT-BC259366  Eriogonum lobbii Doris K. Kildale 1928-8-20 6618 Siskiyou Hancock Lookout, on trail to Marble Mt. 13 Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  SD53333  Eriogonum marifolium D. F. Howe 1962-8-6 3406 Siskiyou Mt. Shasta 2438 Comment
  UC61674  Eriogonum marifolium Geo. B. Grant 1902-10-1 5091 Siskiyou Horse Camp Mt. Shasta, Horse Camp 2438 Comment
  UC725518  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou spring above Horse Camp Comment
  UC849524  Eriogonum marifolium L. E. Smith 1915-1 Siskiyou Mt. Shasta Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC272497  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  HSC17329  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-6-26 118 Siskiyou Lava Beds N.M., 1.5 mi. from campground, Indian Well fire rd. Comment
  POM195480  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About 3 miles south of Yreka Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  SD88377  Eriogonum nudum var. pubiflorum Darley F. Howe 1972-7-8 Siskiyou 3 miles north of Weed on #97 1036 Comment
  HSC24900  Eriogonum pyrolifolium Richard Spjut 1970-7-24 871 Siskiyou Near the ski lodge on Mt. Shasta 3293 Comment
  SD23790  Eriogonum pyrolifolium var. pyrolifolium William Bridge Cooke 1938-8-18 11495 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  JEPS105024  Eriogonum siskiyouense Dean W. Taylor 1996-7-25 15835 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest 1645 Comment
  RSA126712  Eriogonum sphaerocephalum Peter H. Raven 1956-9-4 10403 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  CAS-BOT-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  JEPS83885  Eriogonum ternatum Wayne Roderick July 1976 Siskiyou rock outcrop along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  RSA215606  Eriogonum umbellatum var. argus Gilbert Muth 1969-8-6 11846 Siskiyou Boulder Peak. 2530 Comment
  UC909319  Eriogonum umbellatum var. argus Dorothy Parker 1948-8-16 182 Siskiyou near summit of Salmon Mountain 1813 Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  NY803677  Eriogonum umbellatum var. lautum J. L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  UC83633  Eriogonum umbellatum var. modocense Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  SEINET3160103  Eriogonum umbellatum var. umbellatum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC262370  Eriogonum vimineum Gordon H. True No date on label 3295 Siskiyou Scott Valley, just west of Fort Jones 792 Comment
  CAS-BOT-BC94804  Eriophyllum lanatum R. C. Wenk 2006-7-24 532 Siskiyou Scott Mtns., border between Trinity and Siskiyou Cos., along Pacific Crest Trail, 0.5 km E of Hwy. 3 1700 Comment
  HSC43860  Eriophyllum lanatum Maralyn O'Meara 1974-5-25 370 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  LA203597  Eriophyllum lanatum Louis Wheeler; 1934-6-2 2618 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  POM358072  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  CAS-BOT-BC301713  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  HSC81986  Eriophyllum lanatum var. lanceolatum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4871 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  CAS-BOT-BC124135  Eriophyllum rixfordii G. P. Rixford s.n. Siskiyou South side of Shaft Rock Mt., near Hilt Comment
  JEPS110491  Eryngium alismifolium Robert E. Preston 2005-7-1 2358 Siskiyou 3.3 mi E of Granada, along County Rd A12. 787 Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC91032  Erysimum perenne Jennifer Whipple 1977-7-20 1999 Siskiyou Mt. Eddy, N slopes 2317 Comment
  SJSU917  Erythranthe guttata J. W. Tilden 1946-6-20 1007 Siskiyou Spring Flat, NW from Fort Jones, Scott R Comment
  SD128722  Erythranthe moschata Darley F. Howe 1980-7-6 Siskiyou 1.3 mile south of Oregon state line on road to Happy Camp 1645 Comment
  JEPS61854  Erythronium grandiflorum W. L. Jepson 1907-7-5 2826 Siskiyou Marble Mt. Comment
  RSA281174  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  HSC63071  Erythronium oregonum subsp. leucandrum David Wheeler 1979-4-1 3 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  HSC92376  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  RSA417682  Eucephalus ledophyllus var. covillei M. B. Dunkle 1945-1 9296 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC202762  Euonymus occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  CAS-BOT-BC202764  Euonymus occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's Corral, Russian Creek Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  UC375458  Euphorbia crenulata Geo. D. Butler 1908-7-4 67 Siskiyou near mouth of Shasta River Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  RSA480970  Euphorbia lathyris W. Bridge Cooke 1940-6-20 15153 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  HSC71192  Festuca californica M. A. Baker 1980-6-20 2225 Siskiyou Near Bald Mtn. 1036 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  JEPS72961  Festuca idahoensis W. L. Jepson 1940-6-28 20059 Siskiyou McCloud 975 Comment
  JEPS73756  Festuca idahoensis Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UCD66152  Festuca occidentalis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC279069  Festuca rubra Peter H. Raven 1956-9-4 10400 Siskiyou South side of Mt. Eddy 2560 Comment
  HSC36951  Fragaria vesca J. P. Smith 1974-5-26 7555 Siskiyou Along FS Rd. 47N03 1524 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
  CAS-BOT-BC457572  Fragaria vesca subsp. californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  UC618839  Fragaria virginiana subsp. platypetala unknown 1938-7-15 11251 Siskiyou Wagon Camp; Mount Shasta 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
  HSC19400  Frangula californica J. O. Sawyer 1968-9-10 674 Siskiyou 1524 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  HSC99921  Frangula purshiana subsp. purshiana J. O. Sawyer, & R. J. Cole 2010-6-26 4608 Siskiyou Along Beaver Creek Road, Klamath National Forest. 1011 Comment
  CAS-BOT-BC223577  Fraxinus latifolia Alice Eastwood 1921-7-30 11011 Siskiyou Shasta Springs Comment
  CAS-BOT-BC223583  Fraxinus latifolia Carl B. Wolf 1927-8-26 998 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  LA22119  Fritillaria atropurpurea Carl Epling; 1938-6-24 11102 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA184804  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC36901  Fritillaria recurva J. P. Smith 1974-5-26 7542 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA39330  Fritillaria recurva T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC58970  Galium bifolium Gilbert Muth 1975-7-29 3075 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  POM68839  Galium bolanderi Geo. D. Butler 1909-7-15 996 Siskiyou Russian Creek. 1829 Comment
  HSC68987  Galium glabrescens Maralyn A. Renner 1980-7-28 2159 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  JEPS125865  Galium porrigens var. porrigens Dean W. Taylor 1996-7-10 15771 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  JEPS101441  Galium serpenticum subsp. scotticum Dean W. Taylor 1997-6-12 16068 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  HSC22198  Galium triflorum J. O. Sawyer 1968-6-18 245 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC35796  Galium triflorum J. O. Sawyer 1968-7-10 469 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1258466  Galium triflorum John Palmer 1980-8-15 966 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  HSC68974  Garrya buxifolia Maralyn A. Renner 1980-7-24 2129 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238889  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UC1174946  Garrya fremontii P. C. Everett and E. K. Balls 1959-10-24 23947 Siskiyou on road from Sawyers Bar to Somesbar (Forks of Salmon River); Salmon River 381 Comment
  HSC67133  Gaultheria ovatifolia J. P. Smith, Steve Selva 1970-7-15 4350 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1190234  Gayophytum diffusum subsp. parviflorum Ira L. Wiggins 1955-7-27 13535 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29482  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Salmon Mtns., E side of Hancock Lake 1890 Comment
  UC1584292  Gayophytum heterozygum J. Kierstead 1990-8-23 90 -143 Siskiyou Cold Creek Mt. Shasta, McCloud R.D. (e slope of mt.) 1584 Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  HSC76977  Gayophytum humile K. T. Stillman 1976-6-25 42 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC29486  Gayophytum humile Frederick W. Oettinger, R. F. Thorne 1969-8-5 1189 Siskiyou Salmon Mtns., trail, English Lake to Abbotts 1707 Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  SEINET8586810  Gentianella amarella M. J. Williams 1967-9-2 1157 Siskiyou Mount Eddy, Deadfall Lake Trail. 1951 Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  JEPS95305  Gilia capillaris Vernon H. Oswald and L. Ahart 1994-7-11 6399 Siskiyou T39N R6W SE1/4 SE1/4 Sec. 23, 6240 ft, Red Fir Forest. Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1901 Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SEINET7073524  Gilia latifolia A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  RSA47617  Githopsis specularioides Roxana S. Ferris, Laura Lorraine 1948-6-12 11732 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  SJSU11315  Glyceria striata S. H. Casey 1981-7-4 1208 Siskiyou by Seiad Creek Road, Siskiyou Mts c. 6 mi N of Seiad Valley 1371 Comment
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Jul 10 2014
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SD204926  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains; Marble Mountain Wilderness, along trail to English Peak. 1159 Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  JEPS25535  Hackelia californica Rimo Bacigalupi with Lincoln Constance 1959-6-16 7150 Siskiyou 0.3 mi e of Deadhorse Summit (along State Hwy 89) 1341 Comment
  CHSC96089  Hackelia micrantha L. P. Janeway 2006-7-3 8773 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  HSC22138  Hackelia micrantha J. O. Sawyer 1969-8-1 1675 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC722640  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-9 5338 Siskiyou 2 mi s of Black Mountain (near King's Castle) 1828 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  SEINET11849258  Haplopappus racemosus subsp. pinetorum Unknown 1953-1 119 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504592  Hastingsia alba Alice Eastwood; John Thomas Howell 1937-6-25 5020 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC504594  Hastingsia alba L. Beane; A. M. Vollmer 1951-5-31 35 Siskiyou On scree near highway, Scott Mountain Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC302428  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  CAS-BOT-BC306757  Helenium bigelovii David D. Keck 1938-8-8 4867 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  HSC81982  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4856 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC92210  Helenium bigelovii Jennifer Whipple 1976-7-24 1568 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA298337  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground 823 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC305473  Helianthus annuus Carl B. Wolf 1927-8-26 1053 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CAS-BOT-BC305573  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  UC34188  Hemizonella minima Harley P. Chandler June, 1901 1641 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  RSA237822  Heracleum maximum Frederick W. Oettinger 1967-8-3 237 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA612323  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-5-1 3449 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CHSC71488  Hesperolinon micranthum Vernon H. Oswald; Lowell Ahart 1998-7-21 9315 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UCD110546  Hesperolinon micranthum Robert E. Preston 1995-6-22 895 Siskiyou Irongate Reservoir, on open slopes w of Mirror Cove. 731 Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  UC1557834  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-16 8496 Siskiyou 9.8 km s of road to Kanagaroo Lake (just ne of CA-3, se of Etna, on road to Gazelle) Comment
  UCD133097  Heterotheca villosa Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1584 Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 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
  JEPS84338  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
  RSA22033  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC420736  Heuchera merriamii Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mts. Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC420933  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou Near Sisson Comment
  CAS-BOT-BC425005  Heuchera micrantha var. micrantha Doris K. Kildale 1929-5-12 7794 Siskiyou Sawyers Bar on North Fork of Salmon River 609 Comment
  HSC55717  Heuchera rubescens G. L. Clifton, Griswold 1979-7-26 10149 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC1141003  Heuchera rubescens C. L. Hitchcock, J. S. Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  CAS-BOT-BC319696  Hieracium albiflorum Alice Eastwood 1921-7-28 10887 Siskiyou Medicine Lake Comment
  CAS-BOT-BC319698  Hieracium albiflorum John Thomas Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS19799  Hieracium albiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 6019 Siskiyou between White Ridge and Scott Camp Ridge (about 11 mi sw of Mt. Shasta town, along road to Gumboot Lake); canyon of the South Fork of the Sacramento River 1219 Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  UCD77772  Hieracium albiflorum Robert E. Preston 2001-7-20 1686 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  RSA237435  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou South slope trail down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC29282  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou Marble Mtn. Wilderness Area, ridge to English Peak 2012 Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  HSC69167  Hieracium horridum Maralyn A. Renner 1980-8-7 2379 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC642567  Hieracium horridum unknown 1938-9-8 11604 Siskiyou on ridges between Horse Camp and Panther Creek; Mount Shasta 2743 Comment
  RSA238732  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  CAS-BOT-BC320108  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-29 5896 Siskiyou Near Hidden Lake, above Sky High Lake, Sky High Valley, Marble Mountains 1767 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  HSC44722  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-18 2907 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  UC1181805  Holosteum umbellatum subsp. umbellatum Dorothy Parker 1950-4-1 384 Siskiyou Siskiyou Mts., Scott Valley, Hartstrand Gulch, along road Scott Valley; Siskiyou Mts., , Hartstrand Gulch 853 Comment
  UCD85929  Hordeum murinum subsp. glaucum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3387 Siskiyou At Weed. Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  UC1505709  Horkelia fusca subsp. parviflora Robert T. Clausen and Harold Trapido 1940-7-27 4962 Siskiyou 6.25 mi nne summit of Mt. Shasta; Southern Cascade Mts., Sacramento River Basin 1828 Comment
  SEINET6758854  Horkelia fusca subsp. parviflora A. Sanger 1996-7-16 2425 Siskiyou Approximately 200 yards north of road 42N56 along road 42N12. 1695 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  UC1299165  Horkelia tridentata subsp. flavescens Freed W. Hoffman 1948-7-9 2602 Siskiyou Waldo-Happy Camp Rd North Coast Ranges Comment
  UC221752  Horkelia tridentata subsp. tridentata Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2448 Siskiyou Mount Shasta vicinity Comment
  UC54359  Horkelia tridentata subsp. tridentata H. M. Hall and E. B. Babcock June 1903 4052 Siskiyou near Sisson; Sierra Nevada 1036 Comment
  HSC45034  Horkelia tridentata var. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou Along Cedar Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  HSC103838  Hosackia crassifolia G. Fred Hrusa 1998-7-5 14702 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  CAS-BOT-BC201131  Hosackia crassifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Crag [Crags] Trail near Mt. Shasta Comment
  CAS-BOT-BC201132  Hosackia crassifolia Doris K. Kildale 1929-7-20 8720 Siskiyou Raspberry Lake, near head South Fork Indian Creek 1828 Comment
  CAS-BOT-BC201134  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  HSC22219  Hosackia crassifolia J. O. Sawyer 1969-6-11 821 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  POM73770  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest foothills 1677 Comment
  SEINET5518744  Hydrophyllum occidentale var. watsonii G. D. Butler 1910-1 1720 Siskiyou Marble Mountain 1676 Comment
  UC1034644  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 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
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  JEPS60236  Iliamna bakeri L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou along US 97 0.7 mi s Bolam road junction (nw side of mountain); Mount Shasta Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  CAS-BOT-BC94922  Ipomopsis aggregata R. C. Wenk 2008-7-23 905 Siskiyou SW side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch 2316 Comment
  SD46431  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  UC23329  Ipomopsis aggregata C. B. Bradley 1879-1 Siskiyou Siskiyou Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  CHSC9507  Ipomopsis aggregata subsp. formosissima J. F. Goodwin 1971-7-3 143 Siskiyou South side of road, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC540703  Iris innominata Dana York 2012-7-21 3133 Siskiyou Siskiyou Mountains: boundary of the Rogue River-Siskiyou and Klamath national forests, ca. 750 m ENE of Red Butte 1850 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC30494  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Yellow Dog Creek, Salmon Mtns. 915 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  CDA3768  Isatis tinctoria Ball 1935-6-21 Siskiyou Scott Valley. 0 Comment
  HSC6799  Isatis tinctoria Dorothy Parker 1949-6-30 Siskiyou Patterson Creek, Scott Valley 854 Comment
  RSA237966  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou W side of Horse Range Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1822 Comment
  NY353429  Isopyrum stipitatum E. L. Greene 1876-4-10 689 Siskiyou Near Yreka Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  HSC92708  Juncus balticus subsp. ater Jennifer Whipple 1977-8-6 2198 Siskiyou Dobkins Lake 2058 Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  HSC77127  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  RSA607419  Juncus ensifolius L. C. Wheeler 1934-8-14 3131 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  HSC30708  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  UC1021826  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou ca 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing, e side Mount Shasta); Mount Shasta, Cold Creek Comment
  JEPS66999  Juncus nevadensis Geo. D. Butler 1910-6-20 1594 Siskiyou Yreka Comment
  UC618818  Juncus nevadensis F. J. Hermann 1938-7-1 11162 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  JEPS40885  Juncus parryi Paul C. Hutchison 1962-8-2 934 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2621 Comment
  JEPS63860  Juncus parryi B. C. Goldsmith 1916-9-29 35 Siskiyou Medicine Lake Comment
  RSA44499  Juncus patens Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS94676  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou on Old State Hwy 0.8 mi e Tennant Road (ne of Weed, e of Grass Lake, and w of Bray) 1417 Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC80909  Juniperus Mary Boyd Lichens 1948-5-1 s.n. Siskiyou near Walker, along Klamath River 579 Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 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
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 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
  POM252951  Juniperus occidentalis var. occidentalis A. A. Heller 1938-7-12 15262 Siskiyou 2 miles north of Bray Comment
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  LA208509  Kelloggia galioides Carl B. Wolf; 1934-7-6 Siskiyou Mount Shasta, SW slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road 1219 Comment
  UCR37844  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mountain Wilderness Area. Trail to Marble Valley Guard Station Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  CHSC118609  Koeleria macrantha Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016011 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  RSA0104247  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-17 550 Siskiyou Approx. 20 yards S off the Tom Taylor Cabin-Pine Lake trail just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). 2072 Comment
  OBI58651  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  UC372675  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  UC796605  Lathyrus brownii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11828 Siskiyou 1 mi below w side Gazelle Mt. Grade (Gazelle-Callahan Road) 1219 Comment
  SBBG15261  Lathyrus nevadensis D. Myrick 1961-6-21 302 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UC164285  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Goosenest 1524 Comment
  SDSU4203  Lathyrus nevadensis var. nevadensis D. F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. Comment
  RSA17691  Layia glandulosa subsp. glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons road near Juniper Butte, Lava Beds national Monument. Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC88928  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  CHSC86463  Lepidium perfoliatum Jenny Marr 1993-7-1 80 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC881523  Leptodactylon pungens Lewis S. Rose 1940-6-14 40585 Siskiyou Indian Well; lava Beds National Monument, Indian Well 1524 Comment
  UCD77251  Leptosiphon ciliatus Robert E. Preston 2002-6-20 1848 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC32259  Leptosiphon nuttallii J. O. Sawyer 1970-7-4 2328 Siskiyou 1585 Comment
  OBI55427  Lessingia nemaclada David J. Keil 1992-7-20 23486 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CAS-BOT-BC342103  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  RSA114971  Leucophysalis nana E. K. Balls, Lee W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi E of McCloud State Hwy. 1006 Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  JEPS74489  Lewisia cotyledon var. heckneri W. J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  JEPS80491  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Marble Gap trail on flat above Marble Valley Marble Mt. Wilderness Area 1828 Comment
  JEPS86111  Lewisia leeana Wayne Roderick 1966-7-23 Siskiyou near summit of trail to Little Castle Lake; Castle Lake 1828 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  CAS-BOT-BC444192  Lewisia nevadensis Gilbert Muth 1966-7-14 383 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  CAS-BOT-BC444582  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 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. 777 Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  HSC22238  Ligusticum californicum J. O. Sawyer 1969-8-5 1749 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC114088  Ligusticum grayi Kendra Sikes 2011-9-14 CLB 1 _F Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10, 536853E, 4580559N. 2040 Comment
  SEINET11121078  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 3645 Siskiyou Shasta River, 2 miles NW Montague. 765 Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  CAS-BOT-BC130821  Lilium pardalinum Lillian Mott 1977-7-4 27 LM76 Siskiyou Between Seiad Valley and Cook and Green Pass, at Horse Tail Falls 1219 Comment
  CAS-BOT-BC130822  Lilium pardalinum Wayne Roderick 1967-7-24 s.n. Siskiyou Near Lily Pad Lake, n. of Seiad Valley 1676 Comment
  CAS-BOT-BC130824  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  UC1334272  Lilium pardalinum subsp. shastense Albert M. Vollmer and Ira L. Wiggins 1940-7-5 7 Siskiyou ca. 10 mi. n.e. Sawyer's Bar (along banks of Cow Creek, on rd. to Etna); Cow Creek 975 Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  POM170288  Lilium pardalinum subsp. wigginsii Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
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Nov 25 2011
  CAS-BOT-BC132996  Lilium rubescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC77518  Lilium washingtonianum subsp. purpurascens L. P. Janeway 1983-6-25 333 Siskiyou NE facing slope above Indian Creek and below dirt rd. 0.5 mi. N of W Branch USFS Station 671 Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC133091  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC133092  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  JEPS58260  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  UC722477  Linanthus harknessii C. L. Hitchcock and J. S. Martin 1939-7-6 5214 Siskiyou on Takilma to Happy Camp road 1676 Comment
  HSC91972  Linanthus pungens Jennifer Whipple 1976-7-7 1332 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  HSC92600  Linanthus pungens Jennifer Whipple 1978-7-20 2356 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CDA6297  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4645 Siskiyou Juniper Lodge, Highway 97, ca. 6 miles south of Macdoel. 0 Comment
  CAS-BOT-BC416402  Linnaea borealis subsp. longiflora W. B. C. 1940-8-8 15421 Siskiyou Mount Shasta, along Squaw Valley Creek below the McCloud intake 1371 Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  HSC4906  Listera caurina J. O. Sawyer 1968-7-2 370 Siskiyou Upper drainage of Joe Creek 1677 Comment
  RSA758217  Listera caurina Robert F. Thorne 1969-8-2 63330 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC78223  Lithophragma campanulatum L. P. Janeway 1983-8-6 503 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  JEPS19296  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou along the Scott Mountain Road about 5 mi s Callahan 1463 Comment
  CAS-BOT-BC435485  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC435476  Lithophragma glabrum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook, road to Klamathon [Klamath] Comment
  CAS-BOT-BC435478  Lithophragma glabrum Grace Wood 1919-4-1 s.n. Siskiyou Yreka 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
  JEPS16239  Lomatium dissectum var. dissectum Geo. D. Butler 1909-5-8 746 Siskiyou Yreka hills Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 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
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC22243  Lomatium macrocarpum J. O. Sawyer 1969-7-9 1250 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC69749  Lomatium macrocarpum Maralyn A. Renner 1980-6-26 1268 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS17111  Lomatium macrocarpum W. L. Jepson Jul 17 1902-Jul 22 1902 2103 Siskiyou The Devil's Backbone w. Siskiyou Co., The Devil's Backbone 1828 Comment
  JEPS116613  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -010 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73, 4 miles NE of town of Weed Mt. Shasta 1090 Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  RSA47656  Lomatium nevadense Roxana S. Ferris, Laura Lorraine 1948-6-16 11842 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1500 Comment
  RSA105386  Lonicera conjugialis G. D. Barbe 1955-7-6 130 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  JEPS98788  Lotus Sue Pappalardo 1993-7-19 507 Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  UC163684  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka Comment
  JEPS107673  Lotus humistratus Lowell Ahart, John Dittes 2005-6-9 12014 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC15498  Lotus purshianus var. purshianus T. H. Gilbert 1899-7-15 Siskiyou Scott River Valley Comment
  UC163677  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka Comment
  HSC150  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1966-8-3 259 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC4894  Luetkea pectinata J. O. Sawyer 1968-6-23 625 Siskiyou Along trail from Brown's Valley to Caribou basin including areas around Snowslide Lake and Caribou Basin 1829 Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS44646  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou summit above Cold Spring; West Fork of Wooley Creek 1828 Comment
  JEPS84193  Luetkea pectinata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6429 Siskiyou ca 5 mi n Seiad Valley (town) (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); e slope Kangaroo Mountain 1828 Comment
  RSA13848  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  SDSU4744  Luina hypoleuca D. F. Howe 1979-6-25 5194 Siskiyou 7 miles southeast of Somes Bar. Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  UCR63952  Lupinus albicaulis 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
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  JEPS25638  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7277 Siskiyou Poker Flat 1536 Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  CAS-BOT-BC195965  Lupinus albifrons var. albifrons K. L. Chambers 1967-6-22 2850 Siskiyou About 500 ft above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  RSA47602  Lupinus albifrons var. flumineus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11725 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC27655  Lupinus andersonii Carl W. Mize 1972-6-8 8 Siskiyou 351 Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  POM253155  Lupinus arbustus subsp. silvicola A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  HSC71759  Lupinus bicolor J. P. Smith, Steve Selva 1970-6-16 4083 Siskiyou Idlewild Campground 808 Comment
  UCD20158  Lupinus croceus Charlotte Glenn Date Unknown s.n. Siskiyou Castle Lake. 1584 Comment
  RSA666384  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1890 Comment
  SEINET10838173  Lupinus croceus Herbert L. Mason 1947-5-17 Mason 14759 Siskiyou In woods along scott mt. Rd., 5 Mi. S of callahan. 1463 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  RSA372147  Lupinus croceus var. pilosellus O. Kenney 1973-6-4 384 -a Siskiyou Along road from Cecilville to Callahan, 6.4 miles W of Callahan 1738 Comment
  UC2062868  Lupinus klamathensis M. L. Conrad, Dunn, and Morris 1973-6-1 6964 Siskiyou Road cut, 0.1 mile north of Hornbrook. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  POM28133  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  SEINET7042783 Image available Lupinus lepidus var. confertus A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  HSC2245  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  RSA166007  Lupinus leucophyllus Donald Myrick 1961-6-21 314 Siskiyou Siskiyou county: on Deer Camp road above oak Knoll Ranger Station on Klamath River 19 miles W of Hwy 99. 1738 Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  UC1129549  Lupinus luteolus H. S. Yates 1936-6-21 5809 Siskiyou 1/2 mi ne Hilt; Yreka Quad. Comment
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Jun 18 2011
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  SEINET11071976 Image available Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  JEPS65409  Lupinus onustus W. L. Jepson 1902-7-22 2094 a Siskiyou Salmon Summit Trail Comment
  SEINET10862660 Image available Lupinus onustus A. Arthur Heller 1905-6-15 Heller 8037 Siskiyou Near Sisson. Comment
  UC146923  Lupinus polyphyllus var. polyphyllus Harley P. Chandler June, 1901 1586 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 1828 Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  SEINET10485918  Lupinus sellulus var. lobbii H. Dearing, M. Dearing 1938-6-28 Dearing 2180 Siskiyou Flower bluish. Location mccloud. Comment
  CAS-BOT-BC436603  Luzula cascadensis Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, about 1.5 miles E of Scott Mountain Road 1737 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UC1265299  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou stream bank meadow that runs from Tom's Lower Pond (High Lake Basins in vicinity of English Peak, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  LA20729  Luzula subcongesta W. B. C.; 1939-7-26 13741 Siskiyou Mount Shasta, around the E boreal spring above Panther Creek 2743 Comment
  UC163701  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
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Aug 14 2017
  CAS-BOT-BC343997  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CAS-BOT-BC344018  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UCD135763  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River). Comment
  POM208192  Madia elegans subsp. elegans L. C. Wheeler 1934-6-28 2809 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork 915 Comment
  CAS-BOT-BC344545  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343441  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  CAS-BOT-BC343444  Madia gracilis A. A. Heller 1914-8-25 11707 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  HSC161  Madia gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  RSA11145  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-4 5939 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains, 8.4 miles by road from the Lookout Station 1524 Comment
  POM149223  Mahonia aquifolium E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy. 1463 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  HSC18912  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-2 381 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC68380  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1208 Siskiyou Flint Valley 1390 Comment
  HSC69768  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1275 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  POM311185  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  RSA715947  Marrubium vulgare L. Ahart, John Dittes 2005-6-10 12106 Siskiyou East side of the Shasta River, 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. 777 Comment
  CAS-BOT-BC271163  Melica W. R. Dudley 1899-7-5 s.n. Siskiyou Near Bartlett Trail, Preston's Peak, Siskiyou Mountains Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  UCR37824  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  RSA603846  Melica fugax L. C. Wheeler 1935-5-18 3493 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC73344  Melica subulata Gail Newton 1980-6-20 457 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  UC1190173  Mentzelia laevicaulis var. laevicaulis Ira L. Wiggins 1955-7-22 13454 Siskiyou 9.5 mi above Cecilville (Gravel bar in S Fork of Salmon River.); Salmon River Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  CAS-BOT-BC428553  Micranthes aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi. w. of Carmen Lake 1706 Comment
  CAS-BOT-BC429157  Micranthes odontoloma Annie M. Alexander; Louise Kellogg 1949-7-24 5859 Siskiyou Trail to Bear Lake, Paradise Lake, Marble Mountains. 1920 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
  CAS-BOT-BC349367  Microseris nutans H. A. Thomas; J. H. Thomas 1954-7-25 4526 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC88125  Microsteris gracilis Jenny Marr 1993-7-1 135 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  HSC30212  Microsteris gracilis William J. Ferlatte 1968-6-8 1135 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC36955  Microsteris gracilis J. P. Smith 1974-5-26 7590 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC46054  Microsteris gracilis Maralyn O'Meara 1974-5-25 421 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  POM43383  Mimulus alsinoides Geo. D. Butler 1910-3-13 1129 Siskiyou Klamath River 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
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  UC1190241  Mimulus microphyllus Ira L. Wiggins 1955-7-22 13444 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  JEPS3168  Mimulus moniliformis George D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek 1676 Comment
  UC27060  Mimulus moniliformis F. W. Morse July, 1886 Siskiyou Shasta Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC435  Mimulus moschatus William J. Ferlatte 1967-7-26 736 Siskiyou Caribou Basin 1982 Comment
  HSC42944  Mimulus moschatus var. moniliformis J. O. Sawyer, Ken Stillman 1976-7-1 2780 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  HSC90991  Mimulus nanus Jennifer Whipple 1976-8-20 1716 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2470 Comment
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  JEPS83831  Mimulus primuloides subsp. linearifolius Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  JEPS84011  Mimulus primuloides subsp. primuloides L. R. Heckard with J. Hickman 1986-7-17 6490 Siskiyou ca. 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 1660 Comment
  UC922334  Mimulus tilingii var. corallinus Annie M. Alexander and Louise Kellogg 1949-7-22 5833 Siskiyou edge of small stream which arises from spring at lower end of Paradise Lake; Marble Mountains, Paradise Lake 2072 Comment
  CAS-BOT-BC481921  Minuartia nuttallii Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC91384  Minuartia nuttallii subsp. gregaria Jennifer Whipple 1976-7-7 1320 Siskiyou Mount Eddy. 2530 Comment
  JEPS109602  Minuartia stolonifera Dean W. Taylor 2002-6-29 18207 Siskiyou Forest Road 40N08 7 miles NE from Scott Mountain summit (ca. 2.75 mi N of Big Carmen Lake) 1524 Comment
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  SEINET10874551 Image available Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 Nelson 7839 Siskiyou T40N, R8W, Sec. 24. Along south side of State Route 3 3.1 miles north of Scott Mountain Pass. Rocky openings in Jeffrey pine woodland on serpentine. 1219 Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  POM68863  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  JEPS26520  Mitella diversifolia Lauramay T. Dempster 1961-7-2 1850 Siskiyou Mill Creek; at road crossing sw of Etna Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  HSC45197  Moehringia macrophylla J. O. Sawyer, E. Cope 1977-6-21 2984 Siskiyou Near Prescott Peak 1677 Comment
  UC166144  Moehringia macrophylla Geo. D. Butler 1908-8-5 27 Siskiyou West Fork of Woolly Creek Comment
  CHSC9489  Monardella odoratissima J. F. Goodwin 1971-7-3 135 Siskiyou 5.4 mi. south of Mt. Shasta Ski Bowl area. 1798 Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC2035829  Monardella odoratissima subsp. glauca John Thomas Howell 1937-7-29 13652 Siskiyou Scott Mt. between Trinity and Siskiyou Counties. Comment
  UCR47903  Monardella odoratissima subsp. glauca Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC222167  Monardella odoratissima subsp. pallida A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  UC456090  Monardella odoratissima subsp. pallida I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  SEINET10582083  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 348 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220385  Monardella purpurea John Thomas Howell 1939-8-4 15040 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC2035869  Monardella villosa subsp. villosa C. Epling 1938-6-12 Siskiyou Between Happy Camp and Orleans Comment
  HSC34127  Monotropa hypopitys J. O. Sawyer 1969-9-18 2035 Siskiyou Below Statue Lake 2165 Comment
  HSC64312  Montia diffusa J. P. Smith 1973-5-5 6454 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CAS-BOT-BC267051  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains: at Poker Flat, in upper portion of meadow 1524 Comment
  CAS-BOT-BC267052  Muhlenbergia filiformis W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartletts Comment
  HSC65681  Muhlenbergia filiformis Donald W. Miles 1979-7-25 19 Siskiyou 3/4 way up Shirttail Canyon near Black Fox Mtn. on logging spur 20 miles NE of McCloud. Comment
  SEINET206452 Image available Muhlenbergia filiformis Rimo Bacigalupi, Mr. Deventer; Mrs. Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley Siskiyou Mts. just east of Del Norte County line; 4 air-line miles north-northeast of Preston Peak. 1494 Comment
  UCD86584  Muhlenbergia filiformis AHM 1955-7-30 55 Z Siskiyou Klamath National Forest. Marble Mountains. Hamilton Camp. 1828 Comment
  CAS-BOT-BC275337  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  HSC30602  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  CAS-BOT-BC275171  Muhlenbergia richardsonis G. J. Muth 1969-8-10 1332 Siskiyou Ridge W of Boulder Peak Comment
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  UCD48387  Navarretia divaricata John M. Tucker 1974-7-28 4329 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1463 Comment
  RSA238014  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC44289  Navarretia intertexta J. P. Smith, Steve Selva 1970-8-8 4551 Siskiyou Juanita Lake Comment
  JEPS1865  Nemophila heterophylla George D. Butler 1909-3-9 658 a Siskiyou Yreka Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60582  Noccaea fendleri subsp. glauca John Thomas Howell 1937-7-22 13279 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA59501  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 miles NW Schonchin Butte, lava Beds National Monument. Comment
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Sep 21 2009
  UC573272  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou close to Schonchin Butte; Dorris Quad 1371 Comment
  JEPS84080  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
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC59711  Notholithocarpus densiflorus var. echinoides Clark L. Miller 1978-10-21 79 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  JEPS40274  Nuphar lutea subsp. polysepala Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou n of Sisson (on old Oregon State Road); Region of the Upper Sacramento, Oregon Stage Road Comment
  RSA0013864  Nuphar lutea subsp. polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou East side of English Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1409397  Nuphar polysepala Frederick W. Oettinger and R. F. Thorne 1969-8-7 1273 Siskiyou e side of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UCD106834  Oenothera cespitosa Geo C. Wood 1940-4-29 s.n. Siskiyou Butte Valley. Comment
  CHSC1156  Oenothera elata subsp. hirsutissima W. Gorsuch 1935-7-21 Siskiyou Along highway near Mt. Shasta City. 1097 Comment
  RSA201753  Olsynium douglasii Sandra Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  UC1733725  Olsynium douglasii var. douglasii Kay H. Beach, Frank Gould 1940-5-15 628 Siskiyou Bull Meadows Comment
  CDA7575  Onopordum tauricum T. C. Fuller 1959-12-1 3324 Siskiyou Fred Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC500188  Orobanche fasciculata R. E. Frenkel 1963-7-13 253 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  HSC68382  Orthilia secunda Maralyn A. Renner 1980-6-26 1206 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS82433  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mt. Wilderness Area 1828 Comment
  UCSB24414  Orthilia secunda Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA0083194  Orthilia secunda E. K. Balls 1949-7-10 13962 Siskiyou 8.6 miles from Sawyers Bar on way to Cecilville. 762 Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  RSA99683  Orthocarpus lacerus W. A. Weber, L. S. Rose 1953-5-22 8459 Siskiyou 3 miles north of Weed. 1128 Comment
  UC166166  Osmorhiza berteroi Geo. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley Comment
  CAS-BOT-BC413221  Oxyria digyna John Thomas Howell 1939-8-10 15253 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC2365  Oxyria digyna William J. Ferlatte 1966-8-19 442 Siskiyou Head of Kidd Creek 2287 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC175604  Parnassia palustris Copeland 1903-9-6 3860 Siskiyou Mt. Eddy Comment
  JEPS117250  Pastinaca sativa Lowell Ahart, John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5. 716 Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  HSC19150  Pedicularis contorta J. O. Sawyer 1969-8-3 1776 Siskiyou Near Little Duck Lake 2073 Comment
  UC886599  Pedicularis densiflora A. A. Heller 1915-7-15 12085 Siskiyou Mount Eddy 2072 Comment
  HSC27341  Pedicularis howellii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5704 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  UCD18939  Pedicularis racemosa A. H. Murphy 1955-7-29 55 K Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  HSC34300  Pedicularis racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7293 Siskiyou W shore of Campbell Lake 1768 Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  OBI80247  Penstemon David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  HSC91150  Penstemon davidsonii Jennifer Whipple 1976-7-25 1583 Siskiyou N slopes of Mt. Eddy 2561 Comment
  CHSC102568  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-4 9903 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  CHSC69095  Penstemon deustus var. pedicellatus Vernon Oswald 1997-7-28 8775 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  UC796493  Penstemon deustus var. pedicellatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11728 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  SBBG7147  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  UC775053  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou along John S. Everett Memorial Highway (sw side Mt. Shasta); sw side of Mt. Shasta 2133 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  JEPS93872  Penstemon heterodoxus var. shastensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9329 Siskiyou Highway 97 between Weed and Macdoel (at the e end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  RSA60647  Penstemon humilis Dorothy Parker 1948-7-11 s.n. Siskiyou On Gazelle Mountain. 1280 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  HSC77277  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  JEPS44098  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-17 35178 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1524 Comment
  NY604561  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  NY604565  Penstemon laetus var. sagittatus C. L. Hitchcock 1939-7-6 5210 Siskiyou On Takilma-Happy Camp road 1676.4 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY604573  Penstemon laetus var. sagittatus W. B. Cooke 1972-6-30 45409 Siskiyou Andesite - Military Pass Road, Mount Shasta. Along dirt road just beyond berm. 5000 Comment
  UC887112  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 a Siskiyou U.S. Highway #97, 16 mi ne Weed; ne of Weed Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  JEPS30716  Penstemon newberryi var. newberryi Lee W. Lenz 1961-6-20 24355 Siskiyou road to Panther Flat; Mount Shasta 1584 Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  UC164353  Penstemon procerus var. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek Upper Campbell Lake, Shackleford Creek 1371 Comment
  HSC91096  Penstemon procerus var. formosus Jennifer Whipple 1976-7-7 1329 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UC454777  Penstemon speciosus I. J. Condit July 1911 Siskiyou Sisson Comment
  UC887110  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou along U.S. Highway #97, 5 mi n Weed; n of Weed Comment
  UC887340  Penstemon speciosus Alice Eastwood 1912-7-17 1205 Siskiyou Sisson Comment
  POM214029  Penstemon speciosus Isabelle C. Kimber 1934-6-9 1 Siskiyou Mt Shasta. 1220 Comment
  RSA114968  Penstemon speciosus E. K. Balls, Lee W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  SEINET13944995 Image available Perideridia parishii W. J. Ferlatte 1966-1 371 Siskiyou Trinity Alps of northern California; Big Flat Hillside seep forming boggy meadow, between campground and S. Fork of the Salmon R., 5000 ft. T37N R9W SEC 18 1524 Comment
  UC618605  Perideridia parishii subsp. latifolia W. Bridge Cooke 1938-7-22 11313 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  CAS-BOT-BC413491  Persicaria amphibia Carl B. Wolf 1927-8-26 1023 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC413492  Persicaria amphibia Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  HSC64440  Persicaria amphibia J. P. Smith, Steve Selva 1970-8-8 4558 Siskiyou Juanita Lake Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CHSC4537  Phacelia J. E. Bowlin 1967-7-18 75 Siskiyou Off roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC13648  Phacelia bicolor R. C. Wunner 1965-8-27 489 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  HSC97703  Phacelia cookei Thomas W. Nelson, Jane Nelson 2006-7-1 9450 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC1483409  Phacelia corymbosa Maralyn A. Renner 1980-8-7 2422 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 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
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  HSC69267  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3711 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  SFV3019  Phacelia hastata subsp. compacta W. L. Jepson 1940-6-23 20012 Siskiyou Andesite sta., north of Mount Shasta. 976 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  CDA17143  Phacelia heterophylla subsp. virgata G. F. Hrusa 2001-6-6 15857 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  JEPS22201  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6782 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC618689  Phacelia heterophylla subsp. virgata W. Bridge Cooke 1938-6-17 11029 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC62461  Phacelia leonis Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  UC922464  Phacelia mutabilis Annie M. Alexander and Louise Kellogg 1949-7-22 5846 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake (top of ridge) 2072 Comment
  SEINET2441203  Phacelia pringlei Barbara Ertter, Julie Kierstead; Jim Nelson 1990-7-15 9371 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca. 8 airmiles W of Mt Shasta City. 1981 Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 Comment
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CAS-BOT-BC77434  Philadelphus lewisii L. E. Detling 1950-6-10 6623 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  JEPS80576  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou down creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA184776  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SEINET10913457  Phlox diffusa Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 868 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. T41N R3W S33 NW 1/4. 2399 Comment
  SEINET3145501  Phlox diffusa G. D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1676 Comment
  UC602583  Phlox diffusa unknown 1938-7-15 11284 Siskiyou Mt. Shasta 1981 Comment
  UC83567  Phlox diffusa Dr. E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2316 Comment
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  CHSC3384  Phlox speciosa Alice L. Stoll 1966-5-14 201 Siskiyou 7 miles S.E. of Callahan in forest alongside the Old Oregon Stage Road. 1219 Comment
  HSC45154  Phlox speciosa subsp. nitida J. O. Sawyer, E. Cope 1977-6-19 2952 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC44615  Phlox speciosa subsp. occidentalis Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC60685  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou Dry Hill near Yreka. Comment
  CDA22368  Phoradendron densum L. Ahart, J. Dittes 2005-6-1 12068 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  HSC4825  Phyllodoce empetriformis J. O. Sawyer 1968-6-18 225 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  RSA215631  Phyllodoce empetriformis Gilbert Muth 1969-8-10 1324 Siskiyou Ridge west of Boulder Peak. 2287 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC73427  Picea breweriana Doris K. Kildale 1929-7-21 8746 Siskiyou Elk Lick, upper Indian Creek 1219 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  POM230326  Picea breweriana J. T. Howell 1937-7-24 s.n. Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA6531  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, Headwaters of Applegate River. Comment
  RSA0059699  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC4810  Picea engelmannii J. O. Sawyer 1968-6-19 253 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  UC1271685  Picea engelmannii J. I. Mallory 1962-8-16 237 Siskiyou along creek at s edge Section 21; Quad. 15D3, Clark Creek 1371 Comment
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Jan 9 2014
  JEPS104987  Pinguicula vulgaris subsp. macroceras Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15854 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  HSC30652  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou S side of E Boulder Lake in the Scott Mtns. 2043 Comment
  UC1200621  Pinus albicaulis Peter Kamb 1949-8-25 1480 Siskiyou Horse Camp Mt. Shasta (sw slope of mt.) 2438 Comment
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  RSA639071  Pinus attenuata L. C. Wheeler 1958-8-18 7396 Siskiyou West Fork Seiad Creek. Comment
  UCR163509  Pinus attenuata David A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta: lower south slopes along Hwy 89, from a few mi east of McCloud to a few mi west of Bartle Comment
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Apr 26 2008
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  UC688867  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou sw quarter Etna Quadrangle; Lyon Lake, Etna Quad. 2133 Comment
  HSC101735  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-5-27 12 Siskiyou West ridgeline above Wright Lake 2222 Comment
  CAS-BOT-BC78494  Pinus contorta subsp. murrayana W. R. Dudley 1899-8-15 s.n. Siskiyou Near Glazier Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  HSC32587  Pinus contorta var. murrayana Steven Lagos 1974-5-26 92 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  HSC92116  Pinus contorta var. murrayana Jennifer Whipple 1978-10-6 2416 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC1507  Pinus lambertiana D. M. Thomson 1965-8-14 186 Siskiyou Lava Beds National Monument 0.25 mi. S of Cauldwell Cinder Pit Comment
  JEPS47927  Pinus lambertiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC401392  Pinus lambertiana Geo. D. Butler 1908-8-5 520 Siskiyou Cold Spring Woolly<?> Creek Comment
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Nov 25 2011
  RSA624477  Pinus monticola L. C. Wheeler 1958-8-20 7409 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  CAS-BOT-BC72863  Pinus ponderosa Carl B. Wolf 1927-8-26 1060 Siskiyou On the Klamath River, 3 mi. below Gottville. Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  JEPS107412  Plagiobothrys bracteatus Lowell Ahart, John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM182432  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka Hills. Comment
  RSA518800  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou About 2 miles east of Gazelle on road to Weed. 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
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  HSC92097  Platanthera dilatata var. leucostachys Jennifer Whipple 1976-7-24 1565 Siskiyou Mount Eddy. SW of Dobkins Lake, along drainage into lake 2226 Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  UC1025120  Poa Douglas Barbe 1955-8-5 362 Siskiyou at summit of trail from Big Flat to Caribou Lake (a point nw of Caribou Mt); Salmon Mts 2407 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  UC1212590  Poa bolanderi Francia Chisaki and Helen Sharsmith 1959-8-20 4733 Siskiyou divide between Scott River and East Fork Salmon River Carrigher's Summit; Inner N coast Ranges 1981 Comment
  CAS-BOT-BC254999  Poa bulbosa Morris Halperin 1930-1-1 s.n. Siskiyou Yreka Comment
  HSC102710  Poa bulbosa J. P. Smith 2013-6-17 13743 Siskiyou Tennat-Bray. 1485 Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  UCD90924  Poa cusickii subsp. epilis Rimo Bacigalupi 1959-7-1 7197 Siskiyou above Mt. Shasta Ski Bowl Lodge; southwestern slopes of Mt. Shasta. 2834 Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD91098  Poa howellii Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain. Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  UCD91851  Poa pratensis Geo. D. Butler 1908-6-25 478 Siskiyou near Greka. Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  HSC27478  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-28 5383 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  UC1132806  Poa secunda subsp. secunda H. S. Yates 1936-6-21 5816 A Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  UC196958  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou ditch bank near Yreka Yreka Comment
  CHSC4279  Poa trivialis D. Parker 1965-7-24 904 Siskiyou Cabin Meadow Creek, tributary of E Fork of Scott River. Comment
  UCD91564  Poa wheeleri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3432 Siskiyou 4 miles west of Hamburg. Comment
  JEPS69921  Polemonium californicum Geo. D. Butler 1908-8-8 29 Siskiyou foot of bluff Marble Valley 1676 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  CAS-BOT-BC231349  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  CAS-BOT-BC231356  Polemonium pulcherrimum Wm. Bridge Cooke 1940-7-26 15381 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline Comment
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  JEPS83035  Polyctenium fremontii var. fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou 0.8 mi. s. of Bray junction on U.S. Hwy. 97 Murphy Wells 1493 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
  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
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  CHSC86452  Polygonum aviculare Jenny Marr 1993-7-1 69 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CAS-BOT-BC414279  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC414397  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  CAS-BOT-BC414595  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  CAS-BOT-BC414603  Polygonum douglasii Doris K. Kildale 1928-7-4 5527 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UC1112257  Polygonum persicaria R. C. Bacigalupi with S. Galen Smith 1957-6-26 5969 Siskiyou 1 1/2 mi n Weed 1036 Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC420067  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 a Siskiyou Medicine Lake Comment
  UC1023733  Polygonum polygaloides subsp. kelloggii W. Bridge Cooke 1941-7-18 16063 Siskiyou along Wagon Camp-Bear Springs road Mount Shasta Comment
  HSC30501  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1216 Siskiyou Marble Mtn. Wilderness Area, base camp at English Lake 1829 Comment
  UC1045290  Polygonum sawatchense subsp. oblivium W. Bridge Cooke 1940-6-6 15039 Siskiyou near Castle Lake Road (in meadow along creek) Comment
  CAS-BOT-BC420225  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  CAS-BOT-BC421080  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  UC1132902  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC29354  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below Hancock Lake trail due NE of Tom's Lake 2119 Comment
  UC371163  Polystichum imbricans subsp. imbricans G. D. Butler 1908-7-20 246 Siskiyou w side Humbug Mt 822 Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  JEPS33243  Polystichum lemmonii unknown 1878-7-19 Siskiyou near Mt. Shasta Comment
  POM114187  Polystichum lemmonii Geo D. Butler 1908-8-5 238 Siskiyou West Fork of Wooley Creek. 1677 Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  CAS-BOT-BC72408  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  OBI1444  Polystichum lonchitis Lawrence L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, south end 2134 Comment
  SD82108  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains, Dead Cow Creek, Mt. Diablo Mer. 1890 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  UC922442  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-15 5622 Siskiyou Canyon Creek, branch Scott River Canyon Creek 762 Comment
  RSA331965  Polystichum munitum Dave Kelly, Walter Wisura 1985-7-30 4072 Siskiyou Along Middle Creek Rd (47N63), N of Horse Creek at Hwy 96. Siskiyou Mtns. Comment
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC75254  Polystichum scopulinum J. O. Sawyer, M. Mesler 1980-8-12 4046 Siskiyou Lower W peak of Box Camp Mtn. Comment
  HSC92650  Polystichum scopulinum Jennifer Whipple 1978-7-20 2361 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  HSC100202  Populus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13171 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  RSA238001  Populus tremuloides Frederick W. Oettinger 1967-8-21 313 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC102961  Populus trichocarpa Grant 1902-9-1 5230 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC102962  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  CHSC91716  Potamogeton crispus G. F. Hrusa 2001-6-6 15860 Siskiyou Siskiyou Mountains. Klamath River, +/- 1.5 mi. E of Ft. Goff campground. At river edge. Adjacent to 15859, app. 20 meters downstream. UTM: 10T, 463312 N, 0481408 E. 350 Comment
  CDA34728  Potamogeton pusillus var. tenuissimus L. Ahart, John Dittes 2010-7-3 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  SEINET3893289  Potamogeton richardsonii K. Morris, Conrad; Dunn 1973-6-2 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263.; 0 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  HSC18934  Potentilla flabellifolia J. O. Sawyer 1969-7-25 1537 Siskiyou NE facing upper slope above Sugar Lake 2104 Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  CAS-BOT-BC540547  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Castle Lake Road west of Shasta Springs 1524 Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  UC639592  Potentilla millefolia Henry Fitch April, 1933 Siskiyou 5 mi s Shasta Valley (Yreka); s of Shasta Valley, Yreka Comment
  RSA114763  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE 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
  CHSC1402  Primula suffrutescens V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  CAS-BOT-BC516390  Prosartes hookeri Alice Eastwood 1921-7-30 11031 Siskiyou Soda Creek Canyon Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC120  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat, near public camp 1524 Comment
  UC527335  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mi n of Entrance to Shasta Springs 914 Comment
  CAS-BOT-BC151231  Prunus virginiana var. demissa L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC151232  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, south of camp, Marble Mts. 1792 Comment
  CAS-BOT-BC151234  Prunus virginiana var. demissa L. E. Smith 1912-7-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  UCR152042  Prunus virginiana var. demissa P. V. Wells 1967-1-7 s.n. Siskiyou Mt. Shasta, At Mcbryde Spring 1524 Comment
  HSC43366  Pseudognaphalium stramineum N. G. Sugihara 1977-5-28 86 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  JEPS101304  Pseudognaphalium thermale Dean W. Taylor 1999-8-12 17310 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  CAS-BOT-BC239820  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9316 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA13869  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  RSA478138  Pseudostellaria jamesiana M. B. Dunkle 1944-7-7 9077 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC80168  Pseudotsuga menziesii Louis C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  HSC29674  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou Marble Mtn. Wilderness Area, ridge above Hell Hole at the NE side of Hancock Lake 1936 Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  JEPS60239  Psilocarphus brevissimus var. brevissimus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2299 Siskiyou 0.8 mi s Bray junction (on U. S. Highway 97); Murphy Wells 1493 Comment
  CAS-BOT-BC361902  Psilocarphus tenellus Lewis S. Rose 1945-6-18 45071 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  CAS-BOT-BC72685  Pteridium aquilinum H. A. Thomas; J. H. Thomas 1954-7-21 4390 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek 1036 Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  UC566809  Pteryxia terebinthina var. californica Frank W. Peirson 1923-7-19 3951 Siskiyou Whitney Cr.foot of Mt Shasta Comment
  UCD22432  Purshia tridentata Brian Vanden Heuvel 2003-4-10 194 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147903  Purshia tridentata var. tridentata Alice Eastwood 1921-7-25 10804 Siskiyou Bigelows, [Mc Cloud] McCloud R. Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC775003  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 Siskiyou 12 mi ne Weed (on U.S. Hwy 97, at junction with road to Montague, sw end of Little Shasta Valley); Little Shasta Valley 914 Comment
  CHSC777  Pycnanthemum californicum V. Holt 1932-7-26 Siskiyou Black Butte Meadow. 1158 Comment
  UCLA62314  Pycnanthemum californicum W. Bridge Cooke 1940-7-26 15358 Siskiyou meadow at the Black Butte spring Mount Shasta; , Black Butte spring Comment
  CAS-BOT-BC460857  Pyrola aphylla David D. Keck 1938-8-6 4805 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  HSC61039  Pyrola asarifolia subsp. bracteata Ruby Van Deventer 24 Aug [year missing] Siskiyou Cameron Meadows Comment
  CAS-BOT-BC462800  Pyrola dentata Doris K. Kildale 1929-8-24 9059 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  HSC19200  Pyrola picta J. O. Sawyer 1968-9-10 689 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  UC21700  Pyrola picta W. H. Brewer 1411 Siskiyou Mount Shasta Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 Comment
  RSA14480  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  UC848033  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station Siskiyou Mountains, Klamath River 670 Comment
  RSA237385  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou On west facing gradual slope on e. side of Abbots Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 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
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  CAS-BOT-BC104349  Quercus sadleriana John Thomas Howell 1939-8-2 14881 Siskiyou Sprit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 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
  UCSB1235  Quercus sadleriana Muller, Cornelius 1954-6-23 Siskiyou Summit, 3-5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou line Comment
  CAS-BOT-BC104631  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  CAS-BOT-BC104634  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC69561  Quercus vacciniifolia Maralyn A. Renner 1980-8-6 2288 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CAS-BOT-BC186689  Ranunculus A. M. Vollmer; L. Beane 1951-6-2 70 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC43362  Ranunculus alismifolius var. alismellus N. G. Sugihara 1977-5-28 64 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  JEPS55081  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-8-8 Siskiyou Medicine Lake; near shore Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  CHSC91256  Ranunculus cymbalaria var. saximontanus Lowell Ahart; John Dittes 2005-6-9 12040 Siskiyou 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 Grenada. 774 Comment
  UC1540001  Ranunculus glaberrimus M. Mitchell 1936-5-21 46 Siskiyou Captain Jack's Cave Lava Beds National Monument 1341 Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  SEINET12100629  Ranunculus occidentalis H. P. Chandler 1901-1 1691 Siskiyou near Marble Mountain 2286 Comment
  RSA256708  Ranunculus orthorhynchus J. P. Smith, Thomas W. Nelson 1974-5-25 7471 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA176792  Ranunculus testiculatus Peter H. Raven 1963-5-19 18400 Siskiyou Sagebrush covered flats just S of California State line on Hwy 97, N of Mcdoel Comment
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  CAS-BOT-BC6199  Rhamnus rubra subsp. obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  HSC26915  Rhodiola integrifolia subsp. integrifolia J. P. Smith, J. O. Sawyer 1971-9-17 4772 Siskiyou Slopes above Big Duck Lake Comment
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  JEPS58760  Rhododendron occidentale W. L. Jepson 1914-8-14 6165 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC200397  Rhododendron occidentale var. paludosum Isabelle C. Kimber 1934-6-9 29 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line 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
  CAS-BOT-BC92406  Ribes aureum var. aureum Elmer I. Applegate 1904-5-15 3081 Siskiyou Laird, Klamath River. Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  SEINET9321585  Ribes cereum var. cereum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC49898  Ribes lacustre Maralyn O'Meara 1973-6-5 197 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  HSC19377  Ribes lobbii J. O. Sawyer 1968-9-11 694 Siskiyou E of Mud Lake 1494 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  HSC65659  Ribes lobbii J. P. Smith, Steve Selva 1970-6-16 4077 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS49317  Ribes lobbii Annie M. Alexander and Louise Kellogg 1911-6-17 154 Siskiyou Jackson Lake 1798 Comment
  JEPS89033  Ribes lobbii Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC212491  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  CAS-BOT-BC219271  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  JEPS49462  Ribes roezlii var. cruentum W. L. Jepson 1902-7-17 2059 Siskiyou trail to Devil's Backbone; Trinity Summit 2133 Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  SBBG27521  Ribes sanguineum var. glutinosum L. C. Wheeler 1934-6-12 2695 Siskiyou N Hungry Crk, Siskiyou Mtns 1310 Comment
  CAS-BOT-BC144508  Ribes sanguineum var. sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC173912  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  UC618601  Ribes viscosissimum W. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail Mount Shasta Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  UC163900  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou near Yreka Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC74371  Rorippa columbiae Dean William Taylor; Barbara Williams 1987-6-29 9096 Siskiyou White Deer Lake. 1399 Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  HSC29182  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, just before first moraine en route to Tobacco Lake 1890 Comment
  HSC77284  Rorippa curvisiliqua L. P. Janeway 1983-9-11 680 Siskiyou Along the Poker Flat/Twin Valley trail 1524 Comment
  JEPS107294  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2005-6-10 12079 Siskiyou On the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC146746  Rosa gymnocarpa Alice Eastwood 1912-7-15 1079 Siskiyou McCloud Comment
  HSC19384  Rosa gymnocarpa J. O. Sawyer 1968-7-10 487 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC146759  Rosa gymnocarpa W. R. Dudley 1901-8-25 s.n. Siskiyou Carters Meadow, Salmon Mts. Comment
  CAS-BOT-BC146796  Rosa gymnocarpa var. serpentina A. M. Vollmer; L. Beane 1951-6-2 54 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC147075  Rosa pisocarpa A. A. Heller 1920-8-11 13507 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  POM88247  Rosa pisocarpa Geo. D. Butler 1908-8-5 279 Siskiyou West Fork of Wooley Creek. 1677 Comment
  JEPS83869  Rosa pisocarpa subsp. pisocarpa Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. 1463 Comment
  POM277840  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou By streams. Comment
  HSC27228  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1971-9-18 4803 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  CAS-BOT-BC147140  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  CAS-BOT-BC147163  Rubus laciniatus Alice Eastwood 1912-7-23 1317 Siskiyou Dunsmuir Comment
  POM208382  Rubus lasiococcus Louis C. Wheeler 1934-8-13 3116 Siskiyou Johnson Dairy. Siskiyou Mtns. 1829 Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  SEINET7706892  Rubus parviflorus G. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  POM91435  Rubus parviflorus var. hypomalacus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1220 Comment
  HSC19450  Rumex acetosella J. O. Sawyer 1969-7-16 1152 Siskiyou W of Waterdog Lake 2073 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC64442  Rumex acetosella J. P. Smith, Steve Selva 1970-6-15 3980 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  CAS-BOT-BC103370  Salix bonplandiana Doris K. Kildale 1929-6-25 8359 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  RSA610756  Salix boothii Louis C. Wheeler 1935-7-24 3694 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  HSC76984  Salix eastwoodiae K. T. Stillman 1976-6-25 75 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  LA208814  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 423 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1350.0 Comment
  CAS-BOT-BC107066  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  UC481717  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, Wagon Creek Canyon ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  UCR133524  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  OBI70521  Salix scouleriana D. G. Kelch, Marianne Cabot 2008-8-12 s.n. Siskiyou Ft. Jones, 6711 Mill Creek rd Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  CDA3197  Salsola tragus T. C. Fuller 1964-10-7 12689 Siskiyou South limits of Weed. 0 Comment
  SEINET3154867  Sambucus canadensis G. D. Butler 1910-5-29 1425 Siskiyou Dry thicket near Yreka Comment
  UC164071  Sambucus mexicana Geo. D. Butler 1910-5-29 1425 Siskiyou near Yreka Comment
  CAS-BOT-BC238889  Sambucus nigra subsp. caerulea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  UC136486  Sanguisorba annua Dr. E. B. Copeland 1903-8-14 3585 Siskiyou Sisson 1066 Comment
  HSC38874  Sanicula graveolens J. P. Smith 1973-5-5 6491 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS30256  Sanicula graveolens Al Hobart 1963-6-8 Siskiyou Siskiyou Mountains, Poker Flat Poker Flat; Siskiyou Mountains, Poker Flat 1536 Comment
  UC165427  Sanicula graveolens Geo. D. Butler 1909-5-31 1023 Siskiyou Humbug Creek Comment
  UC735126  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  RSA471483  Sanicula graveolens M. B. Dunkle 1944-6-27 9043 Siskiyou Siskiyou Natl. Forest Comment
  UCD39819  Sanicula tuberosa A. H. Murphy 1953-7-28 KNF 9 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  CHSC33037  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground; sandbar and roadside. 579 Comment
  UCSB71660  Saponaria officinalis Myrick, Donald 1964-7-25 Siskiyou Near Shasta Royal Inn, Dunsmuir 762 Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  JEPS6899  Saxifraga mertensiana W. Brookfield 1953-7-27 232 a Siskiyou near Paradise Lake (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1981 Comment
  UC722711  Saxifraga mertensiana C. L. Hitchcock, J. S. Martin 1939-7-9 5316 Siskiyou between King's Castle and Black Mountain 1828 Comment
  RSA256599  Saxifraga nidifica J. P. Smith 1974-5-25 7475 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  UC1409257  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou High Lake Basins in vicinity of English Peak (Tom's Lake, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak 1950 Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  CAS-BOT-BC445870  Saxifragopsis fragarioides J. Bernard Brinton 1882-9-5 s.n. Siskiyou Cliffs overhanging Castle Lake Comment
  POM211402  Schedonorus pratensis L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  POM365947  Schedonorus pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  JEPS63800  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 15 Siskiyou Gazelle Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  UC1265460  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1290 Siskiyou around bog in meadow called Sundew Bog due e English Lake outlet (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou Co); Marble Mountain Wilderness Area, Salmon Mountains 1828 Comment
  UC840945  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Weed Comment
  HSC63623  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-7-27 4509 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC163834  Scutellaria antirrhinoides Geo. D. Butler 1908-8-3 179 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  HSC659  Scutellaria antirrhinoides William J. Ferlatte 1967-7-8 674 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  SFV5173  Scutellaria siphocampyloides B. C. Templeton 1960-6-21 8539 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  CHSC462  Sedum V. Holt 1943-8-9 Siskiyou Marble Mountains 1828 Comment
  CAS-BOT-BC494142  Sedum kiersteadiae Peter F. Zika; Julie Nelson 2012-6-21 25905 Siskiyou Ridge above South Fork Willow Creek, along FS Rd 42N19, 8 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest 1630 Comment
  JEPS105134  Sedum laxum subsp. flavidum Dean W. Taylor 1996-7-12 15794 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  HSC25419  Sedum radiatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5663 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CAS-BOT-BC278103  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050; 2.5 air miles SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR) 1510 Comment
  RSA0074741  Sedum spathulifolium L. C. Wheeler 1934-6-4 2637 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mts. 701 Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  HSC99740  Selaginella scopulorum J. O. Sawyer 1969-6-12 882 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  JEPS60160  Selaginella wallacei Geo. D. Butler 1909-7-15 874 b Siskiyou Highland Mine Highland Mine Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  UC831881  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  JEPS37593  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Mt. Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC364047  Senecio integerrimus var. major H. A. Thomas; J. H. Thomas 1954-7-25 4525 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC61995  Senecio integerrimus var. major Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  UC61159  Sidalcea malviflora subsp. asprella W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  CAS-BOT-BC205785  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del NOrte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  CAS-BOT-BC205790  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UC454908  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank along R.R.) Comment
  CHSC88396  Sidalcea oregana subsp. spicata Jenny Marr 1993-7-1 155 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET1004223  Sidalcea oregana subsp. spicata Mark Fishbein, Lane Greer 2006-1 5881 Siskiyou Paynes Springs, about 2 mi southeast of Medicine Lake. 1980 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  RSA68937  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-17 21 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
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  UC1299503  Silene campanulata subsp. glandulosa Freed W. Hoffman 1950-7-14 3620 Siskiyou Clear Creek Trail Baldy Mountain, Clear Creek trail (western Siskiyou County) Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC388966  Silene grayi Robert F. Thorne; Fred Oettinger 1969-8-10 39001 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  UC465652  Silene grayi Harley P. Chandler June, 1901 1606 A Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1981 Comment
  UCD98593  Silene grayi M. A. Showers 1981-8-8 2017 mas Siskiyou between Shastina and Mt. Shasta at head of Cascade Gulch. 2804 Comment
  CAS-BOT-BC389435  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles 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
  POM151411  Silene noctiflora G. R s.n. Siskiyou Auf Aeckern bei Dresden Comment
  UC637146  Smilacina racemosa Edward Lee 1934-8-13 1070 Siskiyou Happy Camp to Waldo (oregon) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  CDA41196  Solanum parishii D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Abandoned farmstead, Hornbrook. 0 Comment
  CAS-BOT-BC157011  Solanum umbelliferum L. C. Wheeler 1934-7-3 2853 Siskiyou Soda Creek, Klamath National Forest 1707 Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  OBI55484  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-21 23522 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.8 mi NW of Scott Mtn summit Comment
  UC166585  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou near Oro Fino Comment
  CHSC1607  Sorbus californica M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC61979  Sorbus californica Al Hobart 1961-7-16 Siskiyou Preston Peak 1982 Comment
  POM91495  Sorbus californica Geo. D. Butler 1910-7-8 1681 Siskiyou Shakleford Creek 1372 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  RSA211471  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin. 1677 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  HSC68012  Spergularia rubra J. P. Smith, Steve Selva 1970-6-16 4015 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC149686  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  LA208260  Spiraea douglasii A. A. Heller; 1916-6-20 Siskiyou Metcalf's Ranch, Metcalf's ranch NE of Mt. Eddy in openings in the forest 1188 Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  HSC164  Stachys rigida William J. Ferlatte 1966-8-2 242 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  RSA610003  Stellaria calycantha L. C. Wheeler 1935-7-26 3697 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  POM101775  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou Around Yreka. Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  RSA183713  Stenanthium occidentale Gilbert Muth 1965-8-16 224 Siskiyou Behind Blk. Mt. [Black Marble Mountain?] near the trail, Marble Mountains Comment
  RSA237481  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou On English Lake trail, below Willow Spring. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  OBI55477  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC87857  Streptanthus tortuosus W. B. Cooke; Reed Rollins 1940-6-7 15111 Siskiyou Along the Pacific Highway near Black Butte. 1219 Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  RSA237366  Streptanthus tortuosus Frederick W. Oettinger 1967-7-20 176 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCSB27379  Streptanthus tortuosus Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  HSC61929  Streptopus amplexifolius Ruby Van Deventer 14 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC164041  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley Comment
  UC456202  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  HSC45886  Symphoricarpos albus var. laevigatus Laura Witherspoon 1978-8-17 93 Siskiyou Klamath National Forest, 0.3 mi. from Jct. with Springs School Rd. and Meiss Lake, Sams Neck Rd. 1354 Comment
  UC61064  Symphoricarpos mollis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  UC618777  Symphoricarpos mollis unknown 1938-7-22 11347 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  RSA507754  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  CHSC34502  Symphyotrichum ascendens J. D. Jokerst 1981-9-8 1473 Siskiyou Along side creek draining Caldwell Lakes. Comment
  CAS-BOT-BC97582  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  UC223702  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3923 Siskiyou s end Lower Klamath Lake, (Willow Creek) Willow Creek Comment
  CHSC88384  Symphyotrichum campestre Jenny Marr 1993-7-1 143 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA273360  Symphyotrichum foliaceum var. foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 miles west of State Route 3 on Road 8 1220 Comment
  UC165284  Symphyotrichum frondosum Geo. B. Grant 1910-9-12 1873 Siskiyou Butte Valley 1280 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  UC1409458  Symphyotrichum hendersonii F. W. Oettinger 1969-8-16 1407 Siskiyou below, central areas of Wiregrass Meadow English Lake; Salmon Mts., English Peak Comment
  JEPS40844  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou Bottoms Camp, Shackelford Creek Shackelford Creek 1371 Comment
  UC572806  Symphyotrichum spathulatum W. Bridge Cooke 1937-8-17 9280 Siskiyou The Gate Mt. Shasta 2590 Comment
  UCD86125  Taeniatherum caput-medusae Beecher Crampton 1969-6-18 8462 Siskiyou Oro Fino. (ca. 4 miles w.s.w. of Fort Jones in direct line.) Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  UC163894  Tanacetum vulgare Geo. D. Butler 1910-8-13 1826 Siskiyou Oro Fino Comment
  HSC6261  Taraxacum officinale D. M. Thomson 1965-6-19 96 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC74050  Taraxacum officinale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC81336  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  CAS-BOT-BC85238  Taxus brevifolia Doris K. Kildale 1928-4-2 4403 Siskiyou Klamath River at Somes Bar Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  RSA86350  Taxus brevifolia F. W. Peirson 1926-7-11 7027 Siskiyou Salmon River at Cow Creek Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  RSA181617  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Along Kidder Creek. 915 Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  HSC91014  Thelypodium brachycarpum Jennifer Whipple 1977-8-6 2209 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  UC1282005  Thelypodium brachycarpum Louise Kellogg Aug 5 1953-Aug 7 1953 99 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  UC1440269  Thelypteris nevadensis L. L. Kiefer 1963-8-7 765 Siskiyou nw Happy Camp (Indian Creek Rd. to Baldy Mt.) 1219 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  JEPS54043  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mt. Comment
  CAS-BOT-BC66796  Thysanocarpus curvipes Alice Eastwood 1923-5-29 11990 Siskiyou Shasta Springs. Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  UC1001156  Tofieldia occidentalis subsp. occidentalis Dorothy Parker 1953-7-29 Siskiyou summit of Scott Mountain Siskiyou Mountains 1630 Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  JEPS25581  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  HSC19117  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-1 1612 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC62273  Triantha occidentalis subsp. occidentalis Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC43136  Trichostema lanceolatum Ken Stillman 1976-8-24 413 Siskiyou E and N slopes of Williams Point 366 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  UC133545  Trichostema simulatum unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  RSA237929  Trifolium cyathiferum Frederick W. Oettinger 1969-8-1 1127 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  HSC68568  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 923 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  SEINET10487850  Trifolium eriocephalum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6980 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi sw of callahan. 1524 Comment
  UC555597  Trifolium eriocephalum var. eriocephalum H. L. Mason 1929-5-18 5332 Siskiyou s Yreka Comment
  HSC30416  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow; elev. 6150 ft 1875 Comment
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA261447  Trifolium howellii J. M. Tucker, D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC164459  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  UC922394  Trifolium howellii Annie M. Alexander and Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley Marble Mtns 1767 Comment
  UC163857  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka Comment
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Nov 25 2011
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  POM349461  Trifolium longipes subsp. atrorubens M. O'Mera 1974-5-25 409 Siskiyou On road 8 ca. 4.7 miles W of junction with Hwy 3. 1159 Comment
  UCD78050  Trifolium longipes subsp. hansenii Robert E. Preston 2001-6-23 1604 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  POM27531  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Yreka. Comment
  CAS-BOT-BC230887  Trifolium productum John Thomas Howell 1937-7-24 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC18994  Trifolium productum J. O. Sawyer 1969-8-5 1931 Siskiyou N of S Sugar Lake 1890 Comment
  JEPS48904  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UC202191  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Saline Marsh Shasta Valley Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC133471  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mt. northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC58942  Trillium ovatum Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan 1 Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS96991  Trillium ovatum Dean W. Taylor 1999-6-9 17230 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA234819  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou Northeast shore of Taylor Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC69565  Trisetum cernuum Maralyn A. Renner 1980-8-6 2272 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC4778  Trisetum spicatum William J. Ferlatte 1966-8-19 453 Siskiyou Head Of Kidd Creek 2134 Comment
  JEPS84004  Trisetum spicatum L. R. Heckard with J. Hickman et al. 1986-7-17 6473 Siskiyou ca 5 mi n town of Seiad Valley (trail up Kangaroo Peak, s of Lily Lake Pad); Kangaroo Peak 1800 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC1045310  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou moist places along Castle Lake road 1615 Comment
  CAS-BOT-BC524311  Triteleia ixioides subsp. anilina Alice Eastwood 1923-5-27 s. n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  CAS-BOT-BC524314  Triteleia ixioides subsp. anilina Mrs. Van Fassen 1925-4-1 s. n. Siskiyou Dunsmuir Comment
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  UC1037432  Tsuga mertensiana Douglas Barbe 1955-8-1 322 Siskiyou on Mt. Bolivar se of Craggy Lookout (n slope only); Klamath Mountains, Scott Mountains, Mt. Bolivar 2255 Comment
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Mar 6 2013
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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Jun 25 2013
  CAS-BOT-BC80252  Tsuga mertensiana subsp. grandicona Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  UC164159  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UC375258  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka Comment
  HSC68386  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1202 Siskiyou N edge of Flint Valley 1390 Comment
  HSC96882  Vaccinium cespitosum Gordon Leppig 1998-7-10 912 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  CHSC88999  Vaccinium membranaceum Gail A. Newton 1981-7-29 2337 Siskiyou Klamath National Forest. Near Kelsey Trail. 1639 Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC22196  Vaccinium membranaceum Harley P. Chandler Jun 1901 1577 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  POM77331  Vaccinium uliginosum subsp. occidentale Edward Palmer 1927-7-13 2456 Siskiyou Mt. Shasta and vicinity. Comment
  RSA238873  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-9-5 1676 Siskiyou SE side of Wiregrass meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. Comment
  HSC19100  Valeriana californica J. O. Sawyer 1969-7-7 1078 Siskiyou Ridge S of Big Duck Lake. 2195 Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  SJSU6511  Vancouveria hexandra R. W. Trivelpiece 1972-6-15 116 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  HSC102655  Ventenata dubia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant.