Search Results — 2000 specimen records retrieved (1371 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73502  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East base Mt. Shasta, near Sisson. Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC68328  Abies magnifica Maralyn A. Renner 1980-6-26 1243 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  SBBG330  Abies magnifica var. shastensis J. F. Davidson, J. M. Tucker 1947-5-17 1563 Siskiyou N side of Scott Mtn, ca. 200 feet below summit 2011 Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  UC618774  Acer glabrum var. glabrum W. Bridge Cooke 1938-7-22 11342 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1981 Comment
  HSC29476  Acer glabrum var. torreyi Frederick W. Oettinger 1969-8-5 1206 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on trail between Abbotts Upper Cabin and English Lake 1677 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  JEPS42664  Acer macrophyllum Geo. D. Butler 1909-5-31 767 Siskiyou Humbug Comment
  UC1045289  Acer macrophyllum W. Bridge Cooke 1940-7-12 15306 Siskiyou near Mount Shasta City (near the Box Canyon of the Sacramento); Box Canyon of the Sacramento, near Mount Shasta City 914 Comment
  HSC92337  Achillea millefolium Jennifer Whipple 1976-7-26 1586 Siskiyou Ridgecrest between Dale Creek and Dobkins Lake Drainages 2468 Comment
  UC1483458  Achillea millefolium Maralyn A. Renner 1980-7-23 1927 Siskiyou on w side <along> Pacific Coast Trail Upper Devils Peak; Klamath National Forest, Seiad Valley Quad., Pacific Coast T 1767 Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC210722  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek, Siskiyou Mts. 1310 Comment
  CHSC61554  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  UC1025007  Achnatherum occidentale subsp. californicum Leo Whitney 3471 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UCD37095  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET255882  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-30 4094 Siskiyou Off I-15 8 or 9 mi S of Weed exchange bewteen Weed and Mt Shasta along roadsides Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  HSC22221  Acmispon nevadensis var. nevadensis J. O. Sawyer 1969-6-12 908 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  JEPS60370  Aconitum columbianum John P. Young 1921-9-15 Siskiyou Etna Mills Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UC398632  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou at State Teachers College near Shasta City (Sisson) 1074 Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  RSA215622  Aconitum columbianum var. columbianum Gilbert Muth 1969-8-12 1379 Siskiyou Second Valley 2195 Comment
  RSA98842  Aconitum columbianum var. columbianum Edward Palmer 1892-7-13 2543 Siskiyou Mount Shasta and vicinity Comment
  UCD98564  Aconogonon newberryi J. M Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  HSC30500  Aconogonon phytolaccifolium Frederick W. Oettinger, R. F. Thorne 1969-8-7 1274 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1829 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  CAS-BOT-BC68951  Adiantum aleuticum Gilbert J. Muth 1969-8-10 1346 Siskiyou Ridge west of Boulder Peak Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC811180  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt Eddy 1828 Comment
  SEINET3153138  Adiantum aleuticum G. B. Grant 25 Siskiyou Shasta Springs, No. Cent. Cal. Comment
  CAS-BOT-BC110723  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou Along road just east of Montague. Comment
  HSC33345  Aegilops cylindrica William J. Ferlatte 1973-6-28 1680 Siskiyou Montague, NE edge of town 777 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
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  UC1183416  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou Lava Beds National Monument; entrance of lava cave Comment
  UC1408770  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou margins of Bear Meadow between English Peak and Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  RSA183725  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Valley. Marble Mtns. Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  SEINET1004219  Ageratina occidentalis Mark Fishbein, Lane Greer 2006-1 5873 Siskiyou Along Forest Service Rd. 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  HSC2211  Ageratina occidentalis L. C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek; Mt. Diablo Mer. 1982 Comment
  HSC77090  Ageratina occidentalis K. T. Stillman 1976-8-7 362 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  UC609358  Agoseris aurantiaca var. aurantiaca Eleanor Burks Hart 1938-8-21 Siskiyou Upper Wright Lake Upper Wright Lake 2225 Comment
  POM33129  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC13186  Agoseris monticola John Thomas Howell 1939-8-8 15187 Siskiyou Marble Mountains, Black Mountain Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC904779  Agoseris monticola W. Bridge Cooke 1949-8-22 25604 Siskiyou South Gate (Mt. Shasta) Mount Shasta 2590 Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC110745  Agropyron Roxana S. Ferris; Laura Lorraine 1948-6-12 11795 Siskiyou Scott Mountain Road south of Callahan. Comment
  SEINET7295882 Image available Agrostis alba Beecher Crampton 1956-1 3799 Siskiyou Drainage ditch along US Hwy. 99, 1.2 mile south of Dunsmuir 701 Comment
  CAS-BOT-BC126995  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Siskiyou Mountains. Little Smoky Creek, Sterling Mountain. 1280 Comment
  HSC76738  Agrostis exarata K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SD230128  Agrostis exarata Louis C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  CAS-BOT-BC139567  Agrostis gigantea W. B. Cooke; V. G. Cooke 1976-10-17 53783 Siskiyou Little Bear Springs, Mount Shasta. 1584 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC1265414  Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou Tobacco Lake Salmon Mountains, Tobacco Lake (w Siskiyou) 1889 Comment
  CHSC69847  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Salmon Mountains Western Siskiyou County. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Bear Meadow near Tom Taylor's Cabin. 2164 Comment
  SEINET4343713 Image available Agrostis pallens Unknown 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  UC1265311  Agrostis pallens F. W. Oettinger 1968-9-1 637 Siskiyou rock-crevices on se side of lake Salmon Mountains, Abbott's Lake 1722 Comment
  RSA238993  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Lake shore at north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC162059  Agrostis stolonifera Elmer I. Applegate 1895-8-23 801 Siskiyou West side of Klamath Lake, near Pelican Bay. Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  POM110045  Allium acuminatum Geo D. Butler 1909-5-26 788 Siskiyou Hill near Yreka. Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC462375  Allium amplectens Milo S. Baker; Douglas Barbe; H. K. Wagnon 1957-6-16 13164 Siskiyou Callahan Trinity Center Rd to Scott Mountains Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  HSC540  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  UCD141860  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC171403  Alnus incana subsp. tenuifolia J. H. Chastain 1918-3-1 s.n. Siskiyou Gazelle Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  RSA13913  Alnus incana subsp. tenuifolia L. C. Wheeler 1934-9-2 3241 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  RSA238548  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1967-8-20 294 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, along the stream from Tom Taylor Cabin spring. 2050 Comment
  RSA238556  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Outlet of Abbott s Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC169640  Alnus rhombifolia Lewis S. Rose 1945-6-22 45182 Siskiyou Beaver Creek & Klamath River 548 Comment
  UC5362  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UCD149840  Ambrosia trifida Harry A. George; William Anderson, Ed. O'Neill 1965-8-13 s.n. Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  UC909378  Amelanchier alnifolia var. pumila Ira L. Wiggins 1950-5-28 12366 Siskiyou ca 1.5 mi e Scott Mt. road (margins of Carmen Lake); Carmen Lake 1737 Comment
  HSC45148  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer, E. Cope 1977-6-19 2960 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  JEPS123517  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-7-3 13 -147 Siskiyou SkiPark Highway, Pierce Comment
  JEPS126016  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -317 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  JEPS126017  Amelanchier pallida E. T. Doucette 2013-5-20 13 -129 Siskiyou Greenhorn Road, Yreka, 8.8 miles from business district. Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC136880  Amelanchier utahensis Marian L. Campbell 1921-7-26 s.n. Siskiyou Ireland's place, Sacramento River Comment
  CHSC7144  Amsinckia intermedia Gregory Barnes 1969-4-2 3 Siskiyou Beaver Creek Campground. Siskiyou Mountains. Comment
  RSA0089744  Amsinckia lycopsoides Douglas Barbe, Milo S. Baker 1955-7-1 071 Siskiyou 0.6 miles east of Etna. 854 Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point Comment
  RSA115017  Anaphalis margaritacea E. K. Balls 1955-8-2 20987 Siskiyou Seed collected along Klamath river, 7.6 mi. N of Somesbar, Hwy. 96 244 Comment
  JEPS13784  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou Yreka Comment
  CAS-BOT-BC391755  Anemone Peter H. Raven 1956-9-5 10459 Siskiyou North Fork of Sacramento River 2011 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC61856  Anemone deltoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC1409280  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  RSA238285  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC94472  Anemone drummondii R. C. Wenk 2005-7-19 337 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy Comment
  HSC69035  Anemone drummondii Maralyn A. Renner 1980-8-7 2373 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC165301  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mt. 1676 Comment
  UCR37848  Anemone multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mountain Wilderness Area 2012 Comment
  POM100582  Anemone multifida Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mtn. 1677 Comment
  UC165939  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  POM149887  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Carufehell Lake. 1677 Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  UC8953  Anemone oregana Harley P. Chandler Jun 1901 1551 Siskiyou ridges and meadows near Marble Mtn; North Coast Ranges 1828 Comment
  UCD127177  Angelica tomentosa Joseph DiTomaso 1980-8-5 1853 Siskiyou Baldy Mt. Lookout, 6 miles west of Happy Camp. 200 m north of lookout. 1706 Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  SD98922  Antennaria argentea Darley F. Howe 1977-10-12 5010 Siskiyou Knopki Road, 3.5 miles from #99, near Oregon Line. Comment
Read comments
Jul 11 2010
  UC54134  Antennaria dimorpha H. M. Hall and E. B. Babcock 1903-6-16 4101 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  SEINET2038331  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  UCR70793  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  CAS-BOT-BC58720  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou Near McCloud Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east spur of Preston Peak 1950 Comment
  HSC44950  Antennaria racemosa J. O. Sawyer 1978-6-17 3232 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC45205  Antennaria racemosa J. O. Sawyer, E. Cope 1977-6-20 2973 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  RSA416677  Antennaria rosea M. B. Dunkle 1945-1 9315 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET10474093  Antennaria rosea Mary Susan Taylor 1980-7-8 Taylor 3098 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
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 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
  RSA183745  Apocynum androsaemifolium subsp. pumilum Gilbert Muth 1965-8-6 191 Siskiyou Marble mts, trail to backside of Black Mt. Comment
  CAS-BOT-BC394986  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  CAS-BOT-BC395150  Aquilegia formosa Donald Myrick 1961-6-20 280 Siskiyou Bear Springs, S slope of Mt. Shasta 1676 Comment
  CAS-BOT-BC27032  Aquilegia formosa f. anomala John Thomas Howell 1937-7-22 13291 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC17355  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Plowman's Valley. Rail Creek. 1203 Comment
  RSA758211  Arabis holboellii R. F. Thorne 1969-8-2 63336 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  CAS-BOT-BC16714  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River. Comment
  UC1181804  Arabis modesta Dorothy Parker 1950-4-7 386 Siskiyou near Walker (bluffs above Klamath River); Siskiyou Mountains 533 Comment
  RSA0128944  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  CAS-BOT-BC17371  Arabis oregana Lillian Mott 1976-7-18 37 LM76 Siskiyou Road to Lily Pad Lake west of Cook and Green Pass. 1828 Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  CAS-BOT-BC27272  Arabis polytricha George Dexter Butler 1909-5-8 723 Siskiyou Near Yreka Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA45328  Arabis subpinnatifida Dorothy Parker 1947-3-30 164 Siskiyou East side of Scott Valley near Hartstrand Gulch. 866 Comment
  HSC90610  Arabis suffrutescens Jennifer Whipple 1976-6-17 1020 Siskiyou N face of Mount Eddy 2134 Comment
  POM94633  Arabis suffrutescens Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley. Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC407707  Arceuthobium americanum William Bridge Cooke 1941-6-12 16034 Siskiyou On Military Pass on the NE side of Mounta Shasta 1828 Comment
  UC164233  Arceuthobium campylopodum Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek Comment
  SEINET2471352  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-18 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte) 1530 Comment
  SEINET8530038  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -42 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC46470  Arctostaphylos patula Alice Eastwood 1921-7-31 11022 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46497  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  CAS-BOT-BC46516  Arctostaphylos patula Doris K. Kildale 1929-8-24 8837 Siskiyou Preston Peak. 2228 Comment
  JEPS20041  Arctostaphylos patula George D. Butler 1909-3-28 586 Siskiyou hill w Yreka Comment
  LA42230  Arctostaphylos patula Mrs. H. P. Bracelin; 1931-6-19 425 Siskiyou Up the N side of Mt. Eddy from Metcalf's ranch house 1539 Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  SEINET11988236  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cedar Lake 1768 Comment
  CAS-BOT-BC467187  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC60936  Arnica amplexicaulis Ruby Van Deventer 1955-8-3 Siskiyou A camp in upper Young's Valley. Clear Creek Camp Comment
  RSA417122  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  RSA105404  Arnica cordifolia G. D. Barbe 1955-7-4 092 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC82549  Arnica discoidea Alice Eastwood 1921-7-24 10719 Siskiyou Castle Lake Comment
  SBBG7587  Arnica discoidea H. and M. Dearing 1939-6-19 3684 Siskiyou high up French Crk Comment
  UCD77356  Arnica discoidea Robert E. Preston 2002-6-19 1822 Siskiyou Dunsmuir, in forest along E bank of Sacramento River. 727 Comment
  UC166160  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek Comment
  RSA238805  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  JEPS57207  Arnica viscosa L. R. Heckard 1967-8-14 1732 Siskiyou above Horse Camp; Mt. Shasta 2560 Comment
  CAS-BOT-BC90085  Arnica viscosa Morton D'Evelyn 1931-8-12 s.n. Siskiyou Near Wagon Camp, Mt. Shasta 1524 Comment
  RSA142615  Arnica viscosa Philip A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows, Mt. Shasta 2499 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  RSA215638  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1969-8-6 1210 Siskiyou Boulder Peak. 2530 Comment
  JEPS93964  Artemisia biennis Vernon H. Oswald and Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath National Wildlife Refuge 3 mi s of Highway 161; Lower Klamath National Wildlife Refuge 1243 Comment
  JEPS94078  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1998-9-8 9602 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  RSA417442  Artemisia ludoviciana M. B. Dunkle 1945-08 9292 Siskiyou Klamath Nat'l Forest, Marble Mountains Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA15586  Aruncus sylvester Carl B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SBBG30592  Asclepias cordifolia D. Myrick 1968-6-27 2041 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  POM301689  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of Meadow along Ditch Creek, near Hornbrook. Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  UC1034654  Aspidotis densa Douglas Barbe 1955-7-26 260 Siskiyou nw slope Scott Mt; Klamath Mts 1828 Comment
  CAS-BOT-BC32789  Aster brickellioides Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 2225 Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  UC1601950  Astragalus californicus Katharine Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC177861  Astragalus curvicarpus var. curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC182965  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  UC1584588  Astragalus inversus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  HSC76981  Astragalus purshii var. lectulus K. T. Stillman 1976-6-25 61 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC81985  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4872 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC67757  Athyrium distentifolium var. americanum John Palmer 1980-7-24 602 Siskiyou Elk Hole 1503 Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta Comment
  HSC29368  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou SE bank of Horse Range Lake 1829 Comment
  UC375286  Athysanus pusillus Geo. D. Butler 1909-3-14 556 Siskiyou near Yreka Comment
  RSA47777  Athysanus pusillus Roxana S. Ferris, Laura Lorraine 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  UC1191369  Atriplex truncata Verne Grant and Irving Schneider 1947-8-26 8301 Siskiyou alkali flats by Interstate Highway (Lower Klamath Lake); Lower Klamath Lake Comment
  UC456082  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  UC722207  Balsamorhiza deltoidea C. L. Hitchcock and J. S. Martin 1939-7-6 5211 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. 1676 Comment
  RSA30371  Balsamorhiza hookeri var. lagocephala Lincoln Constance, Reed C. Rollins 1942-5-14 s.n. Siskiyou 1 mile E of Yreka 762 Comment
Read comments
Apr 26 2007
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  RSA758216  Berberis aquifolium var. aquifolium R. F. Thorne 1969-8-2 63332 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC5003  Berberis nervosa J. O. Sawyer 1968-6-25 333 Siskiyou 1646 Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC76008  Berberis pumila Doris K. Kildale 1929-7-20 8534 Siskiyou Trail to Elk Lick, south Fork of Indian Creek. Comment
  HSC43837  Betula occidentalis Maralyn O'Meara 1974-5-27 493 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  HSC82282  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-15 4801 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC75109  Blepharipappus scaber J. P. Smith, Thomas W. Nelson 1979-6-16 10139 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  POM31556  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka. Comment
  UC198721  Boechera Annie M. Alexander and L. Kellogg 1911-6-17 152 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC16024  Boechera breweri subsp. breweri Lincoln Constance; Reed Clark Rollins 1942-5-13 2901 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  CAS-BOT-BC16240  Boechera divaricarpa F. D. Douthitt 1923-7-13 43107 Siskiyou Klamath Forest. Dry Lake Mountain. 2133 Comment
  UC136187  Boechera howellii Dr. E. B. Copeland 1903-8-16 3914 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  UC722144  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5310 Siskiyou between Kings Castle and Black Mt. (w side of ridge) 1828 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25920  Boechera suffrutescens A. A. Heller 1920-7-9 13439 Siskiyou Unspecified. Comment
  HSC22121  Boschniakia strobilacea J. O. Sawyer 1969-7-3 1058 Siskiyou SE facing upper slope above Horse Range Creek 1524 Comment
  UC1611325  Botrychium pinnatum Donald Burk 1993-10-1 Siskiyou ca. 3/4 mi e Gray Butte radio facilities (between confluence of 2 streams); s slope Mt. Shasta 1950 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  HSC77235  Brodiaea elegans subsp. elegans L. P. Janeway 1983-7-17 428 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  POM109930  Brodiaea elegans subsp. elegans Geo D. Butler 1910-5-28 1421 Siskiyou Near Yreka. Comment
  UC1265360  Bromus carinatus var. carinatus F. W. Oettinger 1969-9-1 1576 Siskiyou to Dry Lake, Salmon Mountains, western Siskiyou County Dry Lake; Salmon Mountains, Dry Lake 2133 Comment
  CAS-BOT-BC148791  Bromus carinatus var. marginatus John Thomas Howell 1937-7-21 13156 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC148798  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14932 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  CHSC88408  Bromus japonicus Jenny Marr 1993-7-1 167 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD58981  Bromus madritensis August L. Hormay 1932-4-20 s.n. Siskiyou Brownell. Comment
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UC1131290  Bromus tectorum H. A. Jensen 1933-7-29 335 Siskiyou near Metcalf 883 Comment
  RSA751886  Bromus vulgaris P. M. Peterson, J. M. Saarela, C. J. Sears 2006-8-7 19729 Siskiyou Port Orford Cedar Botanical Area, Klamath National Forest. 1168 Comment
  HSC24220  Calamagrostis breweri J. O. Sawyer 1969-8-4 1803 Siskiyou Above Sugar Lake 2134 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  HSC65688  Calamagrostis stricta subsp. stricta Donald W. Miles 1979-7-23 23 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  CAS-BOT-BC112323  Calliscirpus criniger Doris K. Kildale 1928-7-1 5333 Siskiyou Forks of Salmon. 152 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
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  HSC31982  Callitropsis nootkatensis Steve Selva, Roger Jensen 1974-8-23 40 Siskiyou Devils Punchbowl Comment
  HSC65557  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  LA16790  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc lava beds, 14.3 mi E of Fall River on road from Dana to Little Hot Slprings Valley 1219 Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 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
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  JEPS113327  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  UC375200  Calochortus elegans Geo. D. Butler 1910-5-1 1260 Siskiyou Humbug Mountain Comment
  CDA39292  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-5-18 s.n. Siskiyou Near Forks of Salmon. 0 Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. 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
  HSC44905  Calochortus tolmiei J. P. Smith 1973-5-5 6409 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC69701  Calochortus tolmiei Maralyn A. Renner 1980-6-26 1265 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  CAS-BOT-BC181500  Caltha leptosepala Milo S. Baker 1926-8-21 293 b-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  UC595108  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 mi ne of Callahan, on road to GAzelle 1100 Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC1953741  Calycadenia fremontii 1978-8-17 2130 Siskiyou 5.4 mi E of Callahan on the Gazelle-Callahan Road. See GDC 781. Comment
  CAS-BOT-BC272743  Calycadenia truncata subsp. truncata Geo. D. Butler 1908-8-29 320 Siskiyou E. of Oro Fino Comment
  HSC17650  Calyptridium monospermum D. E. Anderson 1962-8-5 2311 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  UC635369  Calyptridium monospermum D. Tebbe 1929-6-7 154 Siskiyou Mount Eddy Comment
  UCD77436  Calyptridium monospermum Robert E. Preston 2003-7-29 2165 Siskiyou S slope of Rainbow Mountain. 1787 Comment
  JEPS80573  Calyptridium umbellatum Gilbert Muth 1965-8-3 155 Siskiyou Marble Valley, Marble Mountain Wilderness Area Marble Valley; , Marble Mountain Wilderness Area 1798 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
  CAS-BOT-BC497587  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. 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
  SEINET10463325  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou NR KELLEY LAKE, PRESTON PK QUAD, NR HAPPY CAMP 4498', COBBLY SOIL Comment
  UC29014  Campanula prenanthoides Milo S. Baker 1893-6 Siskiyou 6 mi below Barthes; McCloud River Comment
  UC890513  Campanula prenanthoides Alice Eastwood 1912-7-21 1275 Siskiyou Sisson Comment
  SEINET10463087  Campanula prenanthoides Kelley KELLEY s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463159  Campanula prenanthoides Rose 1945-7-22 Rose 45153 Siskiyou Horse Creek and Klamath River. 503 Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  CAS-BOT-BC227477  Campanula rotundifolia Dana York 2011-8-12 3043 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC266455  Campanula scabrella A. A. Heller 1920-7-9 13428 Siskiyou Mount Eddy 2438 Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  CAS-BOT-BC266462  Campanula wilkinsiana W. B. C. 1938-9-17 11698 Siskiyou Mount Shasta. Horse Camp Springs, around the springs above Horse Camp on the Summit trail. Also in Squaw Creek Meadows Comment
  UC618772  Campanula wilkinsiana W. Bridge Cooke 1938-9-17 11698 Siskiyou around springs above Horse Camp (on summit trail); Mount Shasta, Horse Camp Springs Comment
  SEINET10972123  Campanula wilkinsiana Cooke 1947-8-15 COOKE 17804 Siskiyou Common along lower Panther Creek below the meadow, Mount Shasta 2134 Comment
  SEINET10972125  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou Mount shasta 2134 Comment
  CAS-BOT-BC37193  Capsella bursa-pastoris Doris K. Kildale 1929-5-31 9166 Siskiyou Cecilville. South Fork Salmon River. Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  NY25680  Carex amplifolia A. A. Heller 1905-6-5 7974 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC69106  Carex aquatilis Maralyn A. Renner 1980-8-6 2301 Siskiyou Cracker Meadow 1555 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  HSC76315  Carex aquatilis L. P. Janeway 1982-8-21 167 Siskiyou Upper Twin Valley 1585 Comment
  CAS-BOT-BC18124  Carex athrostachya William Bridge Cooke 1940-6-8 15124 Siskiyou In Mount Shasta City. 1082 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  CAS-BOT-BC19558  Carex bolanderi Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  UC1265324  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou above English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  HSC85706  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  JEPS25915  Carex densa W. L. Jepson July, 1884 51 a Siskiyou Sisson Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  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
  UC195510  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  SEINET11309789 Image available Carex fracta Unknown 2009-1 24603 Siskiyou Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. Cascade Range Highlands (CaRH). Comment
  UC1586943  Carex halliana Juha Pykala and D. H. Norris 1987-7-8 2432 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  SEINET10650708  Carex halliana Taylor 1987-8-9 Taylor 9269 Siskiyou Medicine Lake Area, extreme northeastern portion of county. Common on white pumice on floor of Alcohol Crater, SE 1/4 Section 7, T43N, R4E. Under Pinus contorta canopy, with few other herbaceous taxa: Eriogonum marifolium, Penstemon cinicola, Juncus balticus. Comment
  CAS-BOT-BC28085  Carex hoodii William Bridge Cooke 1938-7-15 11173 Siskiyou Mt. Shasta Springs. 1524 Comment
  CAS-BOT-BC7661  Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  UC1265337  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou along stream that runs from Tom's Upper Pond to Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SEINET7564598 Image available Carex lenticularis var. impressa L. P. Janeway 2003-8-9 7957 Siskiyou Klamath Ranges. Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. Kangaroo Mtn 7.5' quad. 1664 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  SEINET7566355 Image available Carex luzulina Ray Tallent 1987-8-16 943 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  SEINET7966806 Image available Carex mariposana A. A. Heller 2016-7-20 12468 Siskiyou near Wagon Creek Falls, E side of Mount Eddy Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  CAS-BOT-BC32050  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  JEPS106479  Carex multicaulis J. K. Nelson with J. R. Nelson 2004-7-4 2004 -60 Siskiyou S side Mount Shasta, W side Squaw Valley Creek above Road 31 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC76948  Carex multicostata K. T. Stillman 1976-7-14 231 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  CAS-BOT-BC119899  Carex nebrascensis William Bridge Cooke 1939-6-23 13502 Siskiyou In spring area in middle of rarely used road near the Mt. Shasta Municipal spring above Howard. 1249 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
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  SEINET7568934 Image available Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC118788  Carex preslii R. Tallent 1987-8-13 917 Siskiyou Klamath National Forest, Forest Rd 39N11, ca 1/2 way between hwy and Little Jackson Cr. 1645 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  RSA238933  Carex preslii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1203 Siskiyou Willow Spring, between English Lake and Abbott s. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 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
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC39280  Carex scopulorum J. O. Sawyer 1969-7-25 1562 Siskiyou Above High Lake 2104 Comment
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 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
  CAS-BOT-BC117261  Carex spectabilis G. Douglas Barbe 1959-7-4 501 Siskiyou North shore of Caribou Lk, ca 4 mi SW of Big Flat Camp, Klamath Nat'l Forest. 2103 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  HSC76308  Carex spectabilis L. P. Janeway 1982-8-15 146 Siskiyou Below Echo Lake 1646 Comment
  RSA238929  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -a Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC76809  Carex straminiformis L. P. Janeway 1982-8-13 120 Siskiyou N edge of Bear Creek and next to small creeklet joining Bear Creek 1555 Comment
  HSC36253  Carex subfusca J. O. Sawyer 1969-7-24 1196 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  JEPS95093  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  HSC69366  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-19 3652 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  RSA425929  Castilleja applegatei subsp. pinetorum Chadwick, Chadwick 1911-07 3414 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC243751  Castilleja applegatei var. pinetorum Doris K. Kildale 1928-7-2 5394 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC243758  Castilleja applegatei var. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  HSC61196  Castilleja arachnoidea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91235  Castilleja arachnoidea Jennifer Whipple 1976-6-30 1207 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  UC163823  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain 1828 Comment
  UC705753  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou e side Mt. Shasta (well below timber line) Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  CAS-BOT-BC253623  Castilleja miniata A. A. Heller 1939-7-27 15431 Siskiyou Panther Meadow, Mt. Shasta. 2438 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
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  JEPS9763  Castilleja miniata Willis L. Jepson Jul 24 1894-Aug 10 1894 21479 Siskiyou n of Sisson (on old stage road); Upper Sacramento Region Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  CHSC88113  Castilleja pilosa Jenny Marr 1993-7-1 123 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS90569  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9011 Siskiyou Egg Lake Upper Modoc Plateau 1298 Comment
  CAS-BOT-BC26229  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Station Comment
  UC164434  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC48650  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou Between Shasta Retreat and Shasta Springs, along the Sacramento a short distance below Shasta Springs 762 Comment
  CAS-BOT-BC48391  Ceanothus cuneatus Elmer I. Applegate 1898-5-15 2134 Siskiyou Klamath River, between Shovel Creek and Fall Creek 853 Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  JEPS42444  Ceanothus integerrimus Geo. D. Butler 1908-6-22 411 Siskiyou near Yreka (Butler Ranch) Comment
  UCD111994  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Siskiyou Along Highway 89, 0.5 mile east of South Mount Shasta Blvd., south of Mount Shasta. 1066 Comment
  RSA95333  Ceanothus integerrimus var. macrothyrsus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC52120  Ceanothus prostratus Alice Eastwood 1912-7-18 1218 Siskiyou Sisson Comment
  CAS-BOT-BC53082  Ceanothus prostratus H. E. Brown 1897-6-1 369 Siskiyou Near Mt. Shasta 2133 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  OBI80339  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  CAS-BOT-BC63157  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  CHSC4520  Ceanothus velutinus J. E. Bowlin 1967-7-18 43 Siskiyou Beside the road, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  HSC19307  Ceanothus velutinus J. O. Sawyer 1968-9-9 650 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA398976  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City. Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  HSC64657  Ceanothus velutinus var. velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC52805  Ceanothus velutinus var. velutinus Fred Klein 1969-9-7 s.n. Siskiyou Southwest face of Mt. Shasta 1524 Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CDA37898  Centaurea squarrosa J. L. Johnson 1980-7-1 s.n. Siskiyou Hawkinsville. 0 Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  JEPS64315  Cephalanthera austiniae W. L. Jepson 1902-7-22 2090 a Siskiyou trail from Salmon Forks Salmon Summit; w. Siskiyou, Salmon Summit 1981 Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UCD20185  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  CAS-BOT-BC384985  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  RSA157734  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 miles E of Montague. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  UC71782  Cercis occidentalis Mrs. R. W. Summers 1881-1 3103 Siskiyou base of mt. near Southern's Station; Mt. Shasta Comment
  UCD113083  Cercocarpus betuloides Frank C. Vasek 1975-6-29 750629 5 Siskiyou 11.6 miles SW of Gazelle, Gazelle Summit. Comment
  HSC18568  Cercocarpus ledifolius R. C. Wunner 1965-7-15 392 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  RSA120777  Cercocarpus ledifolius G. D. Barbe 1955-7-29 315 Siskiyou below a serpentine outcropping on a Knott NW of Scott Mtn. 1738 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  HSC63032  Cercocarpus montanus var. glaber J. P. Smith 1973-5-5 6506 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS16946  Chaenactis douglasii var. douglasii Peter H. Raven 1956-9-4 10393 Siskiyou pass just s of Mount Eddy 2438 Comment
  HSC5247  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 366 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  RSA142692  Chaenactis douglasii var. douglasii Philip A. Munz 1960-8-22 24179 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  RSA183660  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Front slope of Black Mt., Marble Mts. Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
Read comments
Feb 10 2013
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  UC579118  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava Beds National Monument Comment
  JEPS9111  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  UCSB15883  Chamaesaracha nana Breedlove, Dennis 1952-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  UC637051  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp-Waldo (Oregon) road Klamath Nat. Forest, watershed of West Branch of Indian Cree 1371 Comment
  CAS-BOT-BC68247  Cheilanthes gracillima L. B. Kildale 1930-6-1 9750 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC69128  Cheilanthes gracillima Maralyn A. Renner 1980-8-7 2380 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA211176  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin 1677 Comment
  UC1593361  Cheilanthes gracillima Alan Smith with Chris Richards, and C. Don Macneill 1992-6-5 2538 Siskiyou along Cave Loop Rd above Visitor's Center (Blue Grotto Cave); Lava Beds Nat'l Monument 1524 Comment
Read comments
May 30 2013
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC452256  Chimaphila umbellata W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  HSC19319  Chimaphila umbellata J. O. Sawyer 1968-9-13 716 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  CDA3721  Chorispora tenella G. Deal 1967-4-25 Siskiyou Blair Smith property, Lower Shasta Road, Montague. 0 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  CAS-BOT-BC252661  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek adn Deadman Gulch, Siskiyoui Mts. 670 Comment
  HSC4937  Chrysolepis sempervirens J. O. Sawyer 1968-7-23 574 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA237806  Chrysolepis sempervirens Frederick W. Oettinger 1967-8-26 326 Siskiyou On e.-face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA120893  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou Trip to Scott Mt. from turn off near Callahan at a point just below Pinus ponderosa zone. Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  SJSU3017  Chrysothamnus viscidiflorus subsp. viscidiflorus J. W. Tilden 1967-8-21 1768 Siskiyou 2 mi N of Weed Comment
  UC750566  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  HSC68242  Cichorium intybus J. P. Smith, Steve Selva 1970-7-17 4425 Siskiyou Along Klamath River. Comment
  SEINET3156166  Cicuta occidentalis G. D. Butler 1910-7-15 1788 Siskiyou Uro Fens Creek Comment
  HSC19167  Cinna latifolia J. O. Sawyer 1969-8-3 1791 Siskiyou Along C.C.C. road 1524 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  HSC77497  Circaea alpina subsp. pacifica L. P. Janeway 1983-7-18 431 Siskiyou Up NE draw 1/4 mi. from Rd. 19N07, 5 mi. from Indian Creek Rd. 1250 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  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
  CAS-BOT-BC279889  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  JEPS59124  Cirsium douglasii var. breweri W. L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Strawberry Valley, Sissons Comment
  CAS-BOT-BC279881  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  CAS-BOT-BC279888  Cirsium douglasii var. breweri A. A. Heller 1920-8-13 13526 Siskiyou Near Deetz Station, six miles from Sisson Comment
  CAS-BOT-BC285575  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-20 1256 Siskiyou Hornbrook Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CAS-BOT-BC288014  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-7-25 5865 Siskiyou Klamath River between Gottville and Brown's Resort Comment
  JEPS109258  Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  RSA439205  Cirsium vulgare L. C. Wheeler 1934-7-5 2882 Siskiyou Deer Creek, Sterling Mt., Siskiyou Mts 1524 Comment
  CAS-BOT-BC228964  Cistanthe umbellata Wm. Bridge Cooke 1938-8-18 11507 Siskiyou Mount Shasta. Horse Camp slopes Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  CAS-BOT-BC228989  Cistanthe umbellata Gilbert J. Muth 1969-8-7 1265 Siskiyou Boulder Peak Ridge Comment
  RSA756946  Clarkia Robert F. Thorne 1969-8-2 63337 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  OBI6075  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US 97at jctn with Rd. to Montague 914 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
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  RSA448331  Clarkia purpurea subsp. viminea Louis C. Wheeler 1934-6-2 2610 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC164439  Clarkia rhomboidea Geo. D. Butler 1909-7-15 926 Siskiyou Highland Mine Comment
  CAS-BOT-BC164968  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  RSA332450  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  SBBG15810  Claytonia palustris D. Myrick 1961-6-20 289 Siskiyou Bear Springs, Mt Shasta E of Mt Shasta City 1676 Comment
  UC166187  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-13 1550 Siskiyou near Yreka Comment
  HSC4884  Claytonia sibirica J. O. Sawyer 1968-7-2 377 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC1223241  Claytonia sibirica Joseph P. Tracy 1951-6-16 19463 Siskiyou Takilma-Happy Camp Road Siskiyou Mountains (n of summit crossing of Siskiyou Mountains, where small stream crosses road) Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC238058  Collinsia Mary Boyd Lichens 1948-5-1 s.n. Siskiyou Near Walker, along Klamath River 579 Comment
  CAS-BOT-BC238059  Collinsia Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains. White Mt. Comment
  JEPS26521  Collinsia linearis Lauramay T. Dempster 1961-7-2 1852 Siskiyou sw Etna (ridge w of Salmon Mtn Summit) 1828 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA47996  Collinsia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11734 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS6166  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Hamburg Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  HSC220  Collomia grandiflora William J. Ferlatte 1966-8-3 287 Siskiyou Josephine Lake basin. 1677 Comment
  HSC27468  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  SD143502  Collomia grandiflora D. H. Wilken 1974-7-4 12129 Siskiyou Along Mill Creek, 3.6 miles west of Etna. Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  UC1540190  Collomia tinctoria Dean W. Taylor 1987-6-26 9073 Siskiyou 2 mi se Medecine Lake; Paynes Springs 1996 Comment
  HSC30432  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Marble Mtn. Wilderness Area, ridge of Little Medicine Mtn. N of Hancock Lake 2043 Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS64338  Corallorhiza maculata W. L. Jepson July, 1894 21269 Siskiyou Sisson Comment
  RSA758224  Corallorhiza maculata Robert F. Thorne 1969-8-2 63322 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1409485  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou steep wsw slope nne Pine Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  RSA381992  Corallorhiza mertensiana M. B. Dunkle 1944-7-8 9084 Siskiyou Deer Creek, Siskiyou National Forest Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC31801  Cornus sericea subsp. sericea Steve Selva, Roger Jensen 1974-8-16 4 Siskiyou Along banks of Sugar Creek near outflow of Sugar Lake. Comment
  RSA68927  Cornus sericea subsp. sericea A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  UC21542  Cornus sericea subsp. sericea C. B. Bradley 1897-1 Siskiyou Comment
  UC164270  Corylus californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC290475  Crepis acuminata E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1879 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  HSC58868  Crepis intermedia Marvin Butler 1971-8-1 251 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC299655  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC376573  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou Pass just s. of Mt. Eddy 2438 Comment
  HSC77287  Crepis pleurocarpa L. P. Janeway 1983-8-7 520 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  SEINET10757959  Crepis pleurocarpa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  JEPS107383  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA610185  Cryptantha flaccida L. C. Wheeler 1935-5-18 3494 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA245263  Cryptantha milobakeri Carl W. Mize 1972-6-8 19 Siskiyou Forks of Salmon quad. 335 Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
Read comments
May 28 2007
  SDSU20238  Cryptantha subretusa Ronald B. Kelley 2005-9-5 962 Siskiyou On south-southwest facing slope of Mt. Eddy on unofficial peak trail, on upslope side of trail. 2560 Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  HSC69190  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2699 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  NY16594  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Center, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley 1219.2 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA176219  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA176220  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  RSA50554  Cupressus bakeri C. B. Wolf 1944-10-29 11479 Siskiyou NE side Goose Nest Mt., about 1 mile south of Goose Nest Road #1 leading off the Montague to Mt. Hebron road 1677 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
  SEINET10754947  Cupressus lawsoniana Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 864 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  HSC99962  Cupressus nootkatensis Michael Kauffmann 2011-7-8 17 Siskiyou Boundry Trail West of Kangaroo Peak. 1726 Comment
  NY643322  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mts. 518.2 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  UC564181  Cycladenia humilis var. humilis Elmer I. Applegate 1935-6-10 9492 Siskiyou s. slopes of Caldwell Butte; Lava Beds Nat'l Monument, Caldwell Butte Comment
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  UC618695  Cynoglossum occidentale Ivan Johnston 1938-6-17 11023 Siskiyou s.w. side of Mt. Shasta Comment
  JEPS64084  Cyperus bipartitus Mrs. B. C. Goldsmith 1916-9-20 25 Siskiyou Sisson Comment
  CAS-BOT-BC114199  Cyperus strigosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  HSC66252  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou W Fork Seiad Creek 878 Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  HSC61200  Cystopteris fragilis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA237511  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Vernally moist dry meadows N.W. of upper English Lake. Salmon Mtns. High Lakes Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC192261  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  UC1265436  Danthonia intermedia F. W. Oettinger and R. F. Thorne 1969-8-4 1173 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  SEINET10598329  Danthonia intermedia A. Arthur Heller 1915-7-18 Heller 12113 Siskiyou Metcalf's Ranch, NE base of Mount Eddy, in moist open places in the forest. The original growth of Jeffrey Pine has been succeeded by Douglas Fir. 1250 Comment
  CHSC118612  Danthonia unispicata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016013 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CAS-BOT-BC76242  Darlingtonia californica Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, southwest of Mount Eddy. 1828 Comment
  HSC66259  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  JEPS25900  Darlingtonia californica Willis L. Jepson Jul 24 1894-Aug 10 1894 13448 Siskiyou Cantara Sta. Region of the Upper Sacramento, Horseshoe Bend Comment
Read comments
Nov 6 2019
  UC142509  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mt. Eddy 1219 Comment
  UC63716  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson (18th Crossing, Sacramento River); Mount Shasta 1036 Comment
Read comments
Nov 6 2019
  UCD168830  Darlingtonia californica Barry Rice 2015-8-15 BR 150805 Siskiyou West end of Gumboot Lake. 1865 Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  CAS-BOT-BC141836  Dasiphora fruticosa Gilbert J. Muth 1969-8-8 1277 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  CDA24230  Delphinium andersonii Vernon H. Oswald & Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  JEPS94261  Delphinium andersonii Vernon H. Oswald and Lowell Ahart 1998-6-11 9227 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-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC92136  Delphinium glaucum Jennifer Whipple 1976-9-4 1797 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC76663  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC28664  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC64661  Delphinium nuttallianum J. O. Sawyer 1977-7-6 3027 Siskiyou South of Little Duck Lake 2134 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CAS-BOT-BC201947  Deschampsia elongata Louis C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  SEINET10524243  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 627 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Dryish, vegetated, northwest edge of the meadow, on the upper side of the road. 1524 Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  CAS-BOT-BC43520  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 Comment
  UCD150602  Dicentra pauciflora Rolf Y. Berg 1964-7-15 s.n. Siskiyou Seiad Valley. Near Lily Pad Lake; west of Cook and Green Pass. Comment
  HSC91287  Dicentra uniflora Jennifer Whipple 1976-6-17 1014 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC3328  Dichelostemma multiflorum Mrs. Palmer 1898-4-21 Siskiyou Shasta Comment
  CAS-BOT-BC291006  Dieteria canescens var. shastensis A. A. Heller 1920-8-12 13521 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  UC1286474  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1963-7-12 34333 Siskiyou along Memorial Highway (Mt. Shasta); Mt. Shasta 1371 Comment
  OBI55452  Dieteria canescens var. shastensis David J. Keil 1992-7-20 23509 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 8.2mi W of Scott river Rd Comment
  RSA502324  Dimeresia howellii D. W. Taylor, Glenn Clifton, Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior. 1500 Comment
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  CAS-BOT-BC153735  Diplacus nanus Carl B. Wolf 1934-7-5 5963 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  SEINET8349011  Distichlis spicata Frank Callahan 2007-8-17 Siskiyou southeast of Dry Lake; access from I-5 to Louie Rd. northeast; land belongs to Sierra Pacific. 800 Comment
  HSC19278  Dodecatheon alpinum J. O. Sawyer 1968-6-25 325 Siskiyou Along Horse Range Creek 1829 Comment
  UC1409477  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins in the vicinity English Peak (Bear Meadow spring, midway between Tom Taylor Cabin and English Peak summit, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  UC585128  Dodecatheon hendersonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2001 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); above Sulloway Creek, w of Mt. Shasta City 1188 Comment
  JEPS101451  Downingia elegans var. elegans Dean W. Taylor 1999-6-9 17240 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  SBBG25838  Downingia yina D. Myrick 1966-8-8 1479 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA516617  Downingia yina R. C. Bacigalupi, Lincoln Constance, M. Hiroe 1956-6-9 5696 Siskiyou Along U.S. Hwy 99, 1.5 mile N of Weed, Shasta Valley. 976 Comment
  HSC44783  Draba aureola S. Horner 1977-7-19 209 Siskiyou Siskiyou-Trinity county line Comment
Read comments
Jul 7 2020
  HSC90899  Draba aureola Jennifer Whipple 1976-7-25 1577 Siskiyou N face of Mount Eddy 2439 Comment
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  HSC57402  Draba howellii G. L. Clifton, Terry Griswold 1979-7-26 10151 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  POM370129  Draba howellii M. B. Dunkle 9206 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC722618  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5317 Siskiyou King's Castle Comment
  HSC42906  Drymocallis glandulosa J. O. Sawyer, Ken Stillman 1976-5-28 2724 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC159435  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-2 5375 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC29647  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-16 531 Siskiyou Marble Mtn. Wilderness Area, summit of Red Hill N of Hancock Lake 2058 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CAS-BOT-BC159287  Drymocallis lactea var. lactea Wm. Bridge Cooke 1938-6-24 11070 Siskiyou MacBridge Springs - Mount Shasta 1524 Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  UCSB17782  Dysphania botrys Breedlove, Dennis 1962-6-11 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  HSC72105  Echinochloa crus-galli J. P. Smith 1976-9-5 8983 Siskiyou Scott Valley 671 Comment
  JEPS100302  Eleocharis acicularis Dean W. Taylor 2001-8-28 17910 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  CAS-BOT-BC227920  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11366 Siskiyou Mount Shasta. North Ridges Comment
  HSC30694  Elymus elymoides var. elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow near Tom Taylor Cabin. 2027 Comment
  HSC39673  Elymus glaucus J. P. Smith, J. O. Sawyer 1971-9-18 4831 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC206600  Elymus glaucus subsp. glaucus Wm. Bridge Cooke; V. G. Cooke 1966-7-17 37252 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  HSC39902  Elymus lanceolatus subsp. lanceolatus J. P. Smith, Steve Selva 1970-7-16 4409 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC235223  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  UC1483446  Epilobium brachycarpum J. Sawyer and J. Cole 1980-7-22 3964 Siskiyou nw slopes of Cedar Mt. Klamath National Forest, Bray Quad. 1524 Comment
  HSC19480  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-9 1207 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC24684  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1793 Siskiyou Along C.C.C. road 1341 Comment
  RSA126051  Epilobium ciliatum subsp. ciliatum I. L. Wiggins 1955-7-22 13450 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  HSC64496  Epilobium densiflorum J. P. Smith, Steve Selva 1970-7-17 4414 Siskiyou Along Klamath River. Comment
  POM256466  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1616 Comment
  JEPS75884  Epilobium hallianum W. J. Ferlatte 1966-6-22 95 Siskiyou between campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  UC1408917  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou between King David Mt. and Abbots (margin of meadow); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC44948  Epilobium minutum J. O. Sawyer 1978-6-17 3235 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  RSA458725  Epilobium obcordatum M. B. Dunkle 1945-1 9299 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA264944  Epilobium siskiyouense Gilbert Muth 1975-7-30 s.n. Siskiyou Near Kangaroo Mountain near Red Bluff. 1951 Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  SBBG25828  Equisetum arvense D. Myrick 1966-8-11 1539 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204538  Eragrostis curvula William Ferlatte 1989-11-8 s.n. Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 mile north of Grenada Comment
  UC163822  Eremocarpus setiger Geo. D. Butler 1910-7-28 1794 Siskiyou dry land near Yreka Comment
  HSC69508  Eremogone congesta John Palmer 1980-7-24 658 Siskiyou Dillon Divide 1707 Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  CAS-BOT-BC174229  Eremogone congesta var. congesta L. R. Short 1933-8-6 10 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  HSC22140  Eremogone congesta var. suffrutescens J. O. Sawyer 1969-7-9 1255 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA0119474  Eriastrum densifolium subsp. austromontanum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC1178568  Ericameria bloomeri Peter Kamb 1949-8-25 1484 Siskiyou sw slope of mtn above Horse Camp; Mt. Shasta 2468 Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  CAS-BOT-BC299466  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  JEPS21401  Ericameria nauseosa var. speciosa W. L. Jepson 1940-6-23 20020 Siskiyou n of Mt. Shasta (Andesite station) 975 Comment
  CAS-BOT-BC294405  Ericameria parryi var. latior Geo. B. Grant 1902-9-9 5152 Siskiyou Sisson Comment
  CAS-BOT-BC293502  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1371 Comment
  OBI80253  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  HSC75572  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 179 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UC163865  Erigeron bloomeri var. bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  RSA238777  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou On 'Shasta Ridge' where vernal snow melt waters flow over this face, SE of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC618656  Erigeron compositus unknown 1938-8-22 11558 Siskiyou s slope Diller Canyon; Mount Shasta, Diller Canyon 2743 Comment
  JEPS47722  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou above Bolam Station (shoulder of old logging road); Mt. Shasta 1676 Comment
  HSC5516  Erigeron filifolius D. M. Thomson 1965-6-19 98 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  CAS-BOT-BC296124  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  SEINET10473743  Erigeron inornatus Mary Merello 1993-6-25 Merello 726 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  RSA0091003  Erigeron inornatus var. calidipetris Dean Wm. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat. 1402 Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  JEPS41494  Erigeron klamathensis W. L. Jepson 2071 Siskiyou rocky cliffs on the knife's edge the ridge; Western Siskiyou, Devil's Backbone Comment
  RSA215642  Erigeron peregrinus subsp. callianthemus Gilbert Muth 1969-8-7 1266 Siskiyou Boulder Peak Ridge 2470 Comment
  CAS-BOT-BC295810  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  JEPS109704  Erigeron petrophilus var. viscidulus Dean W. Taylor 2002-7-20 18266 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  JEPS16958  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou rocky s slope Mount Eddy 2651 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  CAS-BOT-BC300289  Erigeron strigosus var. strigosus Francia Chisaki; Helen Sharsmith 1960-8-20 4739 Siskiyou Inner North Coast Ranges. On Wildcat Creek road ca. 4 miles west of Callahan 1066 Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  UCSB14917  Eriodictyon californicum 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  HSC60821  Eriogonum compositum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC635010  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 Comment
  HSC46891  Eriogonum compositum var. compositum William J. Ferlatte 1974-7-13 1516 Siskiyou Canyon of the S Fork of Salmon River near falls 436 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  SEINET7040086  Eriogonum congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  HSC43400  Eriogonum elatum var. elatum K. T. Stillman 1976-7-30 316 Siskiyou Marble Mtn. Wilderness Area, ridge top just N of Black Mtn. 2104 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC261212  Eriogonum hirtellum D. F. Howe 1962-8-4 s.n. Siskiyou Baldy Mt. 1432 Comment
  SEINET5330461  Eriogonum luteolum L. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts., 701 Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  UC77434  Eriogonum marifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 230 Siskiyou Mt. Shasta Comment
  SEINET11938095  Eriogonum marifolium W. B. Cooke 1941-1 16290 Siskiyou near Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC43012  Eriogonum nudum var. nudum J. P. Smith 1973-5-5 6561 Siskiyou Scott Bar along the Scott River Comment
  SBBG21294  Eriogonum pyrolifolium D. Myrick 1964-7-25 959 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  JEPS109881  Eriogonum pyrolifolium var. pyrolifolium Dean W. Taylor 2005-8-16 19458 Siskiyou Mt. Shasta; slopes between Brewer Creek and Ash Creek 2346 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC267710  Eriogonum roseum Doris K. Kildale 1928-7-25 5872 Siskiyou Klamath River between Brown's Resort of Gottville 579 Comment
  HSC17431  Eriogonum strictum var. greenei W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 823 Comment
  CAS-BOT-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC43455  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC263391  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 2 Siskiyou Between Etna Mills and Fort Jones Comment
  CAS-BOT-BC263398  Eriogonum strictum var. proliferum Alice Eastwood; John Thomas Howell 1937-6-25 5025 Siskiyou Callahan Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  JEPS108711  Eriogonum ternatum Thomas W. Nelson and Jane P. Nelson 2006-8-4 9465 Siskiyou Scott Mountain S of junction of Forest service Rd. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08E side of North-South running ridge. 1670 Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  UC85397  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  RSA0005155  Eriogonum umbellatum var. argus James L. Reveal, M. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Kalmath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail. 2043 Comment
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  JEPS94877  Eriogonum umbellatum var. modocense Vernon H. Oswald and Lowell Ahart 1998-7-21 9320 Siskiyou ne of Weed (Highway 97 at the 11.0 Mile Marker, 1.2 mi w of A12); Highway 97 at the 11.0 Mile Marker 1188 Comment
  UC163830  Eriogonum umbellatum var. modocense Geo. D. Butler 1908-7-12 215 Siskiyou Humbug Mountain Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  HSC66398  Eriogonum umbellatum var. polyanthum Maralyn A. Renner 1980-8-21 2603 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  SEINET3860115  Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest.; 0 1675 Comment
  HSC30682  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Marble Mtn. Wilderness Area, meadow that feeds into Diamond Lake 2073 Comment
  HSC69349  Eriophorum crinigerum Maralyn A. Renner 1980-8-21 2548 Siskiyou Kidd Creek 2043 Comment
  SEINET10672044  Eriophyllum lanatum Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 684 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposed lava, sandy on slight S-E facing slope. 1250 Comment
  CAS-BOT-BC301105  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  CAS-BOT-BC301099  Eriophyllum lanatum var. achilleoides L. E. Smith 1913-5-12 262 Siskiyou Edgewood Comment
  HSC29226  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Marble Mtn. Wilderness Area; NE of Horse Range Lake 1822 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
  RSA183490  Eriophyllum lanatum var. lanceolatum J. M. Tucker, L. K. Mann 1963-8-18 3763 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA264997  Erysimum capitatum Gilbert Muth 1975-7-29 5366 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  CDA24842  Erysimum capitatum F. D. Horn 1976-5-18 Siskiyou Sheeprock, Shasta Visat Estates, Grenada. 0 Comment
  CAS-BOT-BC55115  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34275 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 2286 Comment
  HSC199  Erysimum perenne William J. Ferlatte 1966-6-23 119 Siskiyou Dorleska Summit 2134 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  JEPS128470  Erythranthe guttata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  UC1034586  Eschscholzia californica Milo S. Baker and Douglas Barbe 1955-7-1 82 Siskiyou 4.0 mi n Callahan (on Eastside Rd. to Etna); Klamath Mountains 899 Comment
  SBBG25832  Eucephalus ledophyllus D. Myrick 1966-8-13 1556 Siskiyou Union Crk, near Mountain Meadow Ranch, Big Flat; Trinity Alps 2011 Comment
  UCD21471  Eucephalus ledophyllus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1211 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  CAS-BOT-BC310482  Eucephalus tomentellus F. P. Cronemiller 1923-8-15 846 Siskiyou Black Butte 2133 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  UC635626  Euonymus occidentalis var. occidentalis Dorothy Tebbe 1929-7-14 35 Siskiyou Salmon Mts. Comment
  JEPS25539  Euphorbia crenulata Rimo Bacigalupi with Lincoln Constance 1959-6-16 7155 Siskiyou ne of (and above) Mt. Shasta (town) (w slope of Mt. Shasta); Mt. Shasta 1414 Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC668187  Euphorbia crenulata Joseph P. Tracy 1935-8-1 14410 Siskiyou ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); Rock Lake, West Fork of Knownothing Creek 1889 Comment
  CDA4823  Euphorbia cyparissias T. C. Fuller 1962-6-16 8968 Siskiyou East of main house, Meiss Lake Ranch, southwest edge of Meiss Lake Basin, ca. 7 miles west of Macdoel. 0 Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  CAS-BOT-BC310628  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  CAS-BOT-BC310629  Eurybia radulina L. E. Smith 1913-7-24 486 Siskiyou McCloud Comment
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  CAS-BOT-BC413901  Fallopia convolvulus Alice Eastwood 1912-7-22 1314 Siskiyou Sisson Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA211385  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA715931  Festuca idahoensis L. Ahart, John Dittes 2005-6-10 12100 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  SEINET238827 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8151 Siskiyou Shasta-Trinity National Forest; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 4 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC42967  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-29 2750 Siskiyou Along Specimen Creek. 1433 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  UC651084  Festuca pratensis A. A. Heller 1915-8-24 12214 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS45829  Festuca roemeri Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  UC1024639  Festuca rubra Leo Whitney 1934-6-29 2223 Siskiyou near Tennant; Antelope Creek 1463 Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  CAS-BOT-BC53416  Frangula californica subsp. occidentalis Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  CAS-BOT-BC60013  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  HSC42980  Frangula rubra subsp. rubra J. O. Sawyer, Ken Stillman 1976-5-29 2735 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  CAS-BOT-BC223583  Fraxinus latifolia Carl B. Wolf 1927-8-26 998 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  UC165731  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  HSC30638  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  POM273477  Fritillaria pudica Lyman Benson 1929-3-26 1072 Siskiyou Yreka Comment
  HSC36901  Fritillaria recurva J. P. Smith 1974-5-26 7542 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC508135  Fritillaria recurva Wm. F. Herrin 1921-5-9 s.n. Siskiyou Shasta Springs Comment
  CDA5857  Gaillardia aristata G. D. Barbe, T. C. Fuller 1972-6-14 947 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  UC28187  Galium bifolium Harley P. Chandler June, 1901 1645 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  JEPS26968  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7462 Siskiyou above and due e Twin Valley (about 12 air mi ne of Happy Camp); Siskiyou Mts. 1584 Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  JEPS52697  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6138 Siskiyou 4.7 mi sw Callahan (on road to Cecilville, s-facing slope) Comment
  POM258014  Galium bolanderi C. Leo Hitchcock, J. S. Martin 1939-7-7 5298 Siskiyou Ca 15 miles N of Happy Camp on Happy Camp-Takilma Hwy. 915 Comment
  RSA67150  Galium bolanderi Louis C. Wheeler 1934-8-30 3228 Siskiyou Trapper Creek. Siskiyou Mts. 1585 Comment
  HSC104303  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3143 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS100202  Galium serpenticum subsp. scotticum Dean W. Taylor 2002-6-10 18122 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
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  HSC61791  Galium triflorum Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  HSC59093  Garrya buxifolia Clark L. Miller 1978-10-21 81 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  CAS-BOT-BC182250  Garrya fremontii C. B. Wolf 1932-7-14 3868 Siskiyou 4 miles above junction of McClous road with Pacific Highway. Planted in flat, Rancho Santa Ana Botanic Garden 1188 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  CAS-BOT-BC282596  Gastridium phleoides L. E. Smith 1915-5-1 s.n. Siskiyou Dunsmuir Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  CAS-BOT-BC478506  Gayophytum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  SEINET10453069  Gayophytum diffusum Mary Susan Taylor 1980-8-18 Taylor 3258 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  RSA12497  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  OBI48982  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  RSA34385  Gayophytum heterozygum W. Bridge Cooke 1947-7-18 17682 Siskiyou In the dryer sandy meadows at Wagon Camp, Mount Shasta 1738 Comment
  UC422807  Gayophytum racemosum Milo S. Baker 1898-8-1 504 Siskiyou Medicine Lake; sw side Comment
  JEPS80608  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1975 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  JEPS61409  Geranium carolinianum W. L. Jepson Jul 1894 13564 Siskiyou Sisson Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  RSA237950  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  UC922455  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1949-7-21 5825 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UC933391  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1948-9-7 5592 Siskiyou at fork of road from Cecilville to first Lookout (Black Bear Summit, Siskiyou Mountains); Siskiyou Mountains, Black Bear Summit 1524 Comment
  HSC41802  Gilia capitata subsp. capitata Brent Whitely 1975-7-8 147 Siskiyou Klamath National Forest 762 Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  HSC44646  Githopsis specularioides Jennifer Whipple 1978-6-5 2333 Siskiyou Weston Gulch in Scott Valley. 854 Comment
  SBBG29118  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Crk 838 Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  RSA238999  Glyceria striata Frederick W. Oettinger 1969-8-16 1401 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD77744  Glyceria striata Robert E. Preston 2001-6-23 1545 Siskiyou Klamath National Forest, N slope of Rainbow Mtn. 1706 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA170301  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N limits of Macdoel. Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  UC609340  Hackelia micrantha Eleanor Burks Hart 1938-8-15 896 Siskiyou s side of Upper Wright Lake 2225 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  UC455973  Hackelia mundula I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  POM254007  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou On Takilma-Happy camp road. 1677 Comment
  JEPS25856  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  UC30106  Hastingsia alba Harley P. Chandler June 1901 1616 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC922496  Hastingsia alba Annie M. Alexander and Louise Kellogg 1949-7-23 5855 Siskiyou start of trail to Bear Lake (Marble Mountains, Paradise Lake); Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC504593  Hastingsia alba Lillian Mott 1977-7-4 32 LM76 Siskiyou Along road from Creek and Green Pass to Lily Pad Lake 1524 Comment
  CAS-BOT-BC504617  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Klamath Forest, Soda Creek 1524 Comment
  POM181941  Hastingsia alba J. G. Lemmon 1889-6-28 s.n. Siskiyou Near Edgwood [Edgewood] Comment
  RSA232529  Hastingsia alba Donald Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC305569  Helianthus bolanderi Louis C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  HSC101743  Herniaria hirsuta subsp. hirsuta J. P. Smith, J. O. Sawyer 2010-5-2 12804 Siskiyou Oak Bottom River Access Road 175 Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC60934  Heterocodon rariflorum Geo. B. Grant 1902-9-1 5202 Siskiyou Sisson; Mount Shasta 914 Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC420730  Heuchera cylindrica Elmer I. Applegate 1935-6-12 9518 Siskiyou East base of Cinder Cone, near western boundary of Lava Beds National Monument. Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  HSC103908  Heuchera merriamii Dana York, Richard Helliwell 2010-9-11 3011 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  HSC638  Heuchera merriamii William J. Ferlatte 1967-6-30 594 Siskiyou Josephine Lake basin 1677 Comment
  HSC91187  Heuchera merriamii Jennifer Whipple 1976-7-8 1361 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake. 2317 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  CAS-BOT-BC420934  Heuchera micrantha var. diversifolia H. E. Brown 1897-6-1 310 Siskiyou Near Sisson 1083 Comment
  RSA0066217  Heuchera micrantha var. erubescens Frederick W. Oettinger 1969-8-12 1344 Siskiyou 0.25 mile up from Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  HSC58951  Heuchera rubescens Gilbert Muth 1975-7-31 4649 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  UC1408926  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou S slope trail down to Tobacco Lake from Lily Pond Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1920 Comment
  CAS-BOT-BC318538  Hieracium greenei John Thomas Howell 1939-8-6 15097 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  JEPS25593  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC316038  Hieracium scouleri Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC316022  Hieracium scouleri Wm. F. Herrin 1921-6-28 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC320107  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  JEPS93890  Hippuris vulgaris Vernon H. Oswald and Lowell Ahart 1998-7-21 9349 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  SJSU6505  Holodiscus discolor R. W. Trivelpiece 1972-6-18 123 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 792 Comment
  CAS-BOT-BC152366  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  CAS-BOT-BC150131  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  CAS-BOT-BC150139  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  POM88250  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley Divide Comment
  RSA120910  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CHSC70479  Horkelia fusca subsp. parviflora A. Sanger 1996-7-16 2425 Siskiyou 200 yds N of road to Burnt Lava Flow, on Rd 56. On E side of road. 1804 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  UC165743  Horkelia fusca subsp. parviflora Geo. D. Butler 1910-9-11 1868 Siskiyou Weed Comment
  UC398641  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson); Mt. Shasta, s side Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  SBBG72545  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson) Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SBBG115868  Horkelia fusca var. parviflora R. E. Preston 2001-7-21 1701 Siskiyou near S end of Antelope Crk Meadow 1633 Comment
  CAS-BOT-BC514286  Horkelia fusca var. pseudocapitata A. A. Heller 1922-7-16 13718 Siskiyou Near Harris Spring E of Mt. Shasta Comment
  CAS-BOT-BC514292  Horkelia fusca var. pseudocapitata Alice Eastwood 1921-7-25 10810 Siskiyou Bigelows, McCloud River Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CAS-BOT-BC538243  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  HSC24693  Hosackia crassifolia J. O. Sawyer 1969-7-23 1171 Siskiyou Near Horse Range Creek 1341 Comment
  HSC24699  Hosackia crassifolia J. O. Sawyer 1969-7-25 1523 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC62635  Hydrophyllum occidentale Al Hobart 1968-6-20 Siskiyou Youngs Valley 1524 Comment
  HSC69307  Hydrophyllum occidentale Maralyn A. Renner 1980-7-24 1982 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  CAS-BOT-BC401285  Hypericum perforatum L. E. Smith 1913-6-20 385 Siskiyou Weed Comment
  RSA239013  Hypericum perforatum Frederick W. Oettinger 1966-7-30 s.n. Siskiyou Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  RSA30670  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  CAS-BOT-BC206826  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 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
  CAS-BOT-BC206833  Iliamna bakeri R. E. Frenkel 1964-7-13 667 Siskiyou Ca. 50 miles south of the Everitt Memorial Highway on the slopes of Mt. Shasta 1402 Comment
  UCR47889  Ipomopsis aggregata 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
  RSA211091  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-7-7 209 Siskiyou northwest side of Caribou Mountain. 1829 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
Read comments
Jul 13 2018
  CHSC71882  Ipomopsis congesta subsp. congesta Vernon H. Oswald; Lowell Ahart 1998-9-8 9612 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  RSA181822  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -25 Siskiyou Grass Lake Comment
  HSC27669  Iris tenuissima Carl W. Mize 1972-6-8 21 Siskiyou Along the main trail 351 Comment
  JEPS13904  Isatis tinctoria unknown 1912-1 Siskiyou Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  JEPS20046  Isopyrum stipitatum George D. Butler 1909-2-14 584 Siskiyou Butler's ranch near Yreka; near Yreka Comment
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  RSA161166  Ivesia gordonii var. ursinorum Peter H. Raven 1956-9-4 10422 Siskiyou Summit of Mt. Eddy. 2759 Comment
  SEINET5715683 Image available Juncus balticus Sandy Holloway 1963-1 73 Siskiyou Perennial from creepimg rootstock; along a spring drainage area 1 mile south of Oberlin Road, 8 miles southeast of Yreka, Siskiyou County, California.; Yreka 762 Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  RSA368148  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Klamath National Forest. Williams Point along the Klamath River, south of State Route 96. Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  UC1601865  Juncus ensifolius Miss Edmonds 1890-7-4 Siskiyou Comment
  JEPS94743  Juncus howellii Vernon H. Oswald and Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Road (USFS41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  RSA186332  Juncus mertensianus Gilbert Muth 1966-10-16 27 Siskiyou Marble Mountains 1793 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA238910  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  JEPS100751  Juncus nevadensis Dean W. Taylor 1997-6-12 16060 Siskiyou mouth of Willow Creek (ca. 4 miles west of Gazelle); Scott Mountains; hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 Comment
  RSA211377  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  OBI36637  Juniperus occidentalis subsp. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  SEINET11056490  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2345 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey Station. 677 Comment
  HSC4847  Kalmia polifolia J. O. Sawyer 1968-7-9 427 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC62030  Kalmia polifolia Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  CAS-BOT-BC246177  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  JEPS10864  Keckiella lemmonii Milo S. Baker 1893-6 Siskiyou near Dunsmuir; Sacramento Canyon Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 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
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  UC53792  Layia glandulosa H. M. Hall and E. B. Babcock 1903-6-1 4089 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley Comment
  CAS-BOT-BC88860  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station. 975 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CHSC72230  Lepidium latifolium Vernon H. Oswald; Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Hwy. 161v adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. Roadsides and marsh edges. 1243 Comment
  CAS-BOT-BC89827  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  SBBG98238  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Crk, Siskiyou Mts 1219 Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  CDA14217  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Intersection of Hwy 3 & Callahan/Gazelle Rd., Comment
  CHSC79465  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Near roadside, at intersection of Hwy 3 and Callahan/ Gazelle Rd. 1000 Comment
  SEINET10474780  Lessingia nemaclada Lowell Ahart, Peter Ahart 1983-9-13 Ahart 4412 Siskiyou Near Hwy 96, near the Klamath River, ca. 5 mi w of Interstate 5. Yellow Pine Forest; 1000 m. 1000 Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  HSC752  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Josephine Lake basin. 1677 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  RSA183694  Lewisia cotyledon Gilbert Muth 1965-8-5 306 Siskiyou Steep alpine slope, N slope of Marble Rim, near Black Mtn Comment
  RSA464464  Lewisia cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Marble Valley Summit; rocky ridge. Comment
  RSA756941  Lewisia cotyledon R. F. Thorne 1969-8-2 63342 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  JEPS74489  Lewisia cotyledon var. heckneri W. J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CAS-BOT-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC444090  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Pass at SW end of Caribou Lake, Salmon-Trinity Alps Primitive Area 2072 Comment
  CHSC30309  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake, in cliffs. 1767 Comment
  HSC77067  Lewisia leeana K. T. Stillman 1976-6-26 134 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  CAS-BOT-BC444088  Lewisia leeana Geo. D. Butler No date on label 1687 Siskiyou Unspecified Comment
  RSA65683  Lewisia leeana Dorothy Tebbe 1929-7-22 10902 Siskiyou Rocky summits just above Crater Lake, Mt. Eddy. 1982 Comment
  HSC29445  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou Marble Mtn. Wilderness Area, NW of English Lake 1829 Comment
  CAS-BOT-BC444425  Lewisia rediviva A. M. Vollmer; L. Beane 1951-5-31 18 Siskiyou Scott Mountain Comment
  RSA601895  Lewisia triphylla L. C. Wheeler 1935-7-23 3686 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  POM229945  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  HSC23691  Ligusticum grayi J. O. Sawyer 1969-8-4 1867 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC96433  Ligusticum grayi Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 482 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC22271  Lilium kelleyanum J. O. Sawyer 1969-8-5 1737 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC509367  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509382  Lilium kelleyanum Alice Eastwood 1912-7-18 1215 Siskiyou Sisson Comment
  SJSU10000  Lilium kelleyanum M. R. Kempf 1964-7-13 304 Siskiyou Dead Horse Summit, State Rte 89 c. 7 mi SE Bartle 1341 Comment
  UC1034603  Lilium pardalinum Douglas Barbe 1955-6-29 47 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  HSC69228  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-31 2616 Siskiyou Twin Valley. 1494 Comment
  RSA184800  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs 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-BC133099  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  JEPS58290  Linanthus ciliatus Willis L. Jepson Jul 24 1894-Aug 10 1894 20916 Siskiyou Sisson Comment
  JEPS58322  Linanthus ciliatus Geo. D. Butler 1909-7-15 944 Siskiyou Highland Mine Comment
  JEPS97797  Linanthus harknessii J. Greenhouse 2000-7-16 5010 Siskiyou Boundary of Siskiyou and Trinity counties Scott Mountain Summit campground; Scott Mountain, Klamath National Forest, Trinity National Fo 1645 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
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC240385  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  CHSC1014  Linum lewisii var. lewisii V. Holt 1932-7-7 Siskiyou Mt. Eddy 1524 Comment
  HSC58906  Listera convallarioides Marvin Butler 1971-7-29 236 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  UC527340  Lithocarpus densiflorus var. echinoides C. B. Wolf 1931-9-2 Siskiyou 4 mi above junction of McCloud Road with the Pacific Highway 1188 Comment
  UC5492  Lithocarpus densiflorus var. echinoides W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  UC909390  Lithophragma glabrum Ira L. Wiggins 1950-5-28 12389 Siskiyou .3 mi w Carmen Lake; w of Carmen Lake 1706 Comment
  CAS-BOT-BC435472  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Block 5, Yreka Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  HSC37444  Lomatium engelmannii John Rehling 1976-5-29 404 Siskiyou Just N of Callahan beside Hwy 3 on steep E facing slope Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC18962  Lomatium macrocarpum J. O. Sawyer 1969-6-10 798 Siskiyou S face near Sugar Lake 1829 Comment
  POM82355  Lomatium nudicaule Geo. D. Butler 1910-5-18 1359 Siskiyou Near Yreka. Comment
  CAS-BOT-BC217791  Lomatium peckianum Lincoln Constance; Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka, Klamath-Siskiyou Region 762 Comment
  POM78310  Lomatium vaginatum Geo. D. Butler 1910-4-21 1207 Siskiyou Oro Fino Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  CDA42196  Lonicera ciliosa D. H. Shaw 1977-5-26 s.n. Siskiyou Walker Creek, near Seiad. 0 Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  RSA150569  Lonicera conjugialis Lee W. Lenz 1961-6-23 24363 Siskiyou Summit of Siskiyou Mts., road from Happy Camp and O'Brien. Comment
  HSC36709  Lonicera hispidula var. vacillans Brent Whitely 1975-7-5 145 Siskiyou 213 Comment
  UC28530  Lonicera interrupta Miss Edmonds July 1890 Siskiyou Comment
  UC54575  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock June, 1903 4137 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  CAS-BOT-BC243925  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  RSA47632  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11788 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC454680  Lotus nevadensis var. nevadensis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  UC796606  Lotus nevadensis var. nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11866 Siskiyou 1 mi w Gazelle Comment
  UC1408891  Lotus pinnatus F. W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin Salmon Mountains 1188 Comment
  UC454690  Lotus purshianus var. purshianus I. J. Condit 1911-7-31 Siskiyou Shasta Retreat, along R.R. Shasta Retreat Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UC618836  Luetkea pectinata unknown 1938-9-9 11635 Siskiyou Mount Shasta; around springs in The South Gate, and around upper portion of Squaw Creek Meadows Comment
  UC2026964  Luina hypoleuca Anthony Baniaga 2011-7-8 429 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  RSA119498  Lupinus C. P. Smith 1947-5-13 47270 Siskiyou 9.2 miles east of Weed. Highway 97. Comment
  HSC73995  Lupinus albicaulis Gail Newton 1980-6-20 511 Siskiyou Near Bald Mtn. 1097 Comment
  UC563063  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3953 Siskiyou Doggett Ridge Doggett Ridge, Siskiyou Mountains (s slope of the Siskiyou Mountains); , Doggett Ridge Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  RSA215615  Lupinus albicaulis var. shastensis Gilbert Muth 1969-8-7 1231 Siskiyou Boulder Peak 2530 Comment
  RSA406971  Lupinus albicaulis var. shastensis M. B. Dunkle 1944-7-1 9059 Siskiyou Siskiyou National Forest. Comment
  UC1481906  Lupinus albifrons K. Morris, Dunn and Kenney 1973-6-2 370 Siskiyou on s side of Hwy 3, 22 mi e Fort Jones; e of Fort Jones Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  UC1542837  Lupinus andersonii K. Morris, Dunn and Kenney 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Highway 89. Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. Comment
  CAS-BOT-BC196354  Lupinus argenteus var. argenteus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UC1090384  Lupinus croceus Milo S. Baker 1957-6-16 13146 Siskiyou Forested Canyon rd side North Coast Ranges 1219 Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SEINET10837763  Lupinus croceus var. croceus Oettinger 1969-7-25 OETTINGER s.n. Siskiyou Scott mts., Shasta-trinity nat'l forest: c. 15 Air mi. Sw of weed, near Kangaroo lake campground; dry rocky meadow in lodgepole pine forest. Comment
  RSA78687  Lupinus lapidicola P. A. Munz 1952-7-2 17877 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UC146922  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1623 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 2133 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
  UCD108249  Lupinus lepidus var. confertus A. A. Heller 1916-7-21 12481 Siskiyou near Upton. 1097 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  RSA161313  Lupinus lepidus var. sellulus Peter H. Raven 1956-9-4 10397 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC60887  Lupinus lepidus var. sellulus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta (Mount Shasta); , Sisson Comment
  UC904774  Lupinus lepidus var. sellulus W. Bridge Cooke 1949-8-26 25674 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 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
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  HSC2244  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Yreka Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  UC156996  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou near Yreka; near Yreka Comment
  JEPS83249  Lupinus luteolus W. L. Jepson 1939-7-23 18455 Siskiyou beyond Hambrook at Cedar Grove road station; Yreka Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  UCD109311  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou a short distance below Horse Camp, Mt. Shasta; near the upper limit of the Canadian zone. Comment
  UCD109316  Lupinus obtusilobus E. Whitney 1934-6-17 s.n. Siskiyou Mt. Shasta. 2133 Comment
  SEINET10450723  Lupinus obtusilobus Thorne 1969-8-10 THORNE 38990 Siskiyou Mt. Shasta national forest. S slope of mt shasta. At base of boulders of dry, Sunny, volcanic slopes above the ski-lodge. 2408 Comment
  RSA104385  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  NY16054  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC436604  Luzula cascadensis D. E. Breedlove 1962-6-11 3367 -A Siskiyou Along State Hwy 89, 8.0 miles E of McCloud, Cascade Mts. 1127 Comment
  HSC67149  Luzula comosa J. P. Smith 1973-5-5 6392 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  UCR142987  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  HSC90703  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  CAS-BOT-BC342672  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  JEPS33806  Madia citriodora E. L. Greene June 1876 Siskiyou Yreka Comment
  CAS-BOT-BC343999  Madia elegans Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC344001  Madia elegans Alice Eastwood 1922-10-18 11532 Siskiyou Shasta Springs Comment
  POM208192  Madia elegans subsp. elegans L. C. Wheeler 1934-6-28 2809 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork 915 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  HSC68380  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1208 Siskiyou Flint Valley 1390 Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  HSC6017  Matricaria discoidea R. C. Wunner 1965-6-29 309 Siskiyou California Lava Beds National Monument; Indian Wells Campground, lower loop 1433 Comment
  RSA121253  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mile southwest of Signal Butte. 1341 Comment
  UC1132220  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mi sw Signal Butte 1341 Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  SEINET185073 Image available Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black mtn. west side of Ridge. 1829 Comment
  LA12125  Melica californica Jason Swallen; 1939-7-21 13735 Siskiyou Mount Shasta, above Wagon Camp 1767 Comment
  CDA32507  Melica californica F. D. Horn 1978-5-8 Siskiyou I-5 at Collier Rest Area, Hornbrook. 0 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  UC593537  Melica fugax E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2007 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD87303  Melica geyeri Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  SJSU11323  Melica harfordii S. H. Casey 1981-7-4 1215 Siskiyou Seiad Creek Road 1 mi below summit of Cook & Green Pass c. 8 mi N of Seiad Valley, NW Siskiyou County 1219 Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA60493  Melilotus albus John H. Thomas 1949-6-16 940 Siskiyou 10 miles north of Gazelle. Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  CAS-BOT-BC428548  Micranthes aprica Alice Eastwood 1912-8-30 2012 Siskiyou Mount Eddy Comment
  CAS-BOT-BC428554  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. Divide Comment
  UCD102748  Micranthes fragosa John M. Tucker 1963-7-7 3727 Siskiyou Vicinity of Paradise Lake, at the east base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC429298  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
Read comments
Feb 26 2006
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC829638  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  HSC41070  Microsteris gracilis J. O. Sawyer 1970-4-3 2056 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  HSC43335  Microsteris gracilis Maralyn O'Meara 1974-5-27 476 Siskiyou Along FS Rd. 47N03 1646 Comment
  JEPS25060  Mimulus alsinoides Joseph P. Tracy 1939-4-29 16272 Siskiyou Somes Bar 182 Comment
  JEPS43775  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou head of spring that runs by Indian campground; Clement's Ranch 762 Comment
  POM43383  Mimulus alsinoides Geo. D. Butler 1910-3-13 1129 Siskiyou Klamath River Comment
  UCD77257  Mimulus breweri Robert E. Preston 2001-7-21 1723 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC61895  Mimulus guttatus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM252819  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 miles north of Weed on US Hwy no. 97. 1067 Comment
  UC445194  Mimulus layneae Milo S. Baker 1899-7-8 Siskiyou Lava Beds Fall River Valley Comment
  HSC421  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin 1982 Comment
  JEPS10483  Mimulus microphyllus W. L. Jepson 1937-7-30 18557 Siskiyou Poker Flat Siskiyou Mts. 1584 Comment
  UC445199  Mimulus moniliformis Mrs. R. M. Austin Siskiyou margins Willow Lake Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  RSA237537  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2043 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  UCD77261  Mimulus nanus var. jepsonii Robert E. Preston 2002-6-21 1873 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1709 Comment
  UCR72690  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 932 Siskiyou 8.0 mi east of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89 from USFS Road 40N16; 2.4 mi west of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi west of USFS Ash Creek Station 1100 Comment
  JEPS57394  Mimulus nanus var. nanus L. R. Heckard with T. I. Chuang 1968-7-2 1968 Siskiyou 6 mi n Weed (along U.S. Highway 97) 1219 Comment
  HSC77028  Mimulus nanus var. nanus K. T. Stillman 1976-6-25 49 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UCD122772  Mimulus nanus var. nanus John M. Tucker 1963-7-7 3724 Siskiyou vicinity of Paradise Lake, at east base of Kings Castle on east side; Marble Mountain Wilderness Area. 1981 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  RSA233712  Mimulus primuloides 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
  RSA237544  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2180 Comment
  HSC81621  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1980-7-19 6205 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC91028  Mimulus tilingii Jennifer Whipple 1977-8-5 2170 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UC1409388  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou w Arrow Peak (near Tom Taylor Cabin, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC174734  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  SFV1205  Minuartia nuttallii subsp. gracilis D. Parker 1953-8-3 155 Siskiyou Above cabin Meadow Creek, near Cory Peak. 1982 Comment
  RSA576936  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC1586849  Minuartia nuttallii subsp. gregaria Juha Pykala and D. H. Norris 1987-6-26 2004 Siskiyou n Sulphur Springs (between Doolittle Creek and Stanza Creek, e tributaries of Eel Creek); Klamath National Forest 1400 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS23553  Mitella trifida Rimo Bacigalupi with Arthur and Ruby Van Deventer and Don Liles 1959-7-9 7255 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  HSC24689  Monardella glauca J. O. Sawyer 1969-8-1 1674 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET10700593  Monardella glauca Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy. 97 toward Oregon. 1933 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  HSC69290  Monardella odoratissima Maralyn A. Renner 1980-7-24 1947 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  CAS-BOT-BC222170  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta 1767 Comment
  CAS-BOT-BC222173  Monardella odoratissima subsp. pallida H. A. Thomas; J. H. Thomas 1954-7-24 4511 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 Comment
  UC2035853  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-6-7 15091 Siskiyou near Mount Shasta city (along the Pacific Highway at Spring Hill) Comment
  UC2035862  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou Southwest slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road. 1219 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 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
  RSA238383  Monotropa hypopitys Frederick W. Oettinger 1969-8-19 1469 Siskiyou Between Charmain Lake and Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  CHSC88108  Montia chamissoi Jenny Marr 1993-7-1 118 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC82764  Montia chamissoi Mrs. R. M. Austin Jun 1894 273 Siskiyou Pot Hole Spring Comment
  HSC138  Montia parvifolia William J. Ferlatte 1966-8-3 274 Siskiyou Josephine Lake basin 1677 Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  UCD15454  Montia parvifolia David Hart 1975-5-25 115 Siskiyou California, Siskiyou Co.; Happy Camp on Indian Creek, 3/4 mi upstream from Klamath River; 304 Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  CAS-BOT-BC83244  Myosurus minimus A. A. Heller 1925-7-25 13900 Siskiyou In a field along the Pacific highway near Edgewood. Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  UC221639  Navarretia divaricata H. E. Brown Jul 15-31 1897 Siskiyou Mt. Shasta, S side 1524 Comment
  HSC65639  Nemophila parviflora J. P. Smith, Steve Selva 1970-6-15 3919 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS87826  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (just s of Stewart Springs Road, Old Hwy 99); Old Hwy 99 923 Comment
  HSC67946  Nicotiana attenuata J. P. Smith, Steve Selva 1970-7-16 4387 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  HSC19106  Nothochelone nemorosa J. O. Sawyer 1969-8-1 1626 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  HSC36610  Notholithocarpus densiflorus var. densiflorus Brent Whiteley 1975-6-28 75 Siskiyou 915 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
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  SEINET3150351  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Yneka Creek Comment
  SEINET3150354  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Ineka Creek Comment
  HSC43387  Olsynium douglasii var. douglasii Maralyn O'Meara 1974-5-26 463 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC164241  Olsynium douglasii var. douglasii Geo. D. Butler 1909-3-14 561 Siskiyou hills near Yreka Comment
  UCD138859  Olsynium douglasii var. douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99. 762 Comment
  CDA7552  Onopordum acanthium William J. Ferlatte, M. Miller 1971-6-19 1362 Siskiyou Seldom Seen Ranch, 0.5 mile in from Big Springs Road, about 2 miles north of entrance to Lake Shastina. 0 Comment
  CAS-BOT-BC349957  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca. 15 mi. SW of Dorris Comment
  HSC96420  Oreostemma alpigenum Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC92599  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-7-8 1348 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  RSA0066438  Orobanche fasciculata Frederick W. Oettinger, Robert Thorne 1969-8-4 1176 Siskiyou North of Tobacco Lake. 1889 Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC65561  Orthilia secunda R. White 1977-7-21 130 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC458086  Orthilia secunda Doris K. Kildale 1929-8-24 8831 Siskiyou Preston Peak 2225 Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  CHSC20419  Orthocarpus cuspidatus subsp. copelandii L. M. Mayer 1974-7-1 308 Siskiyou Along ridgetop, se of Shadow Lake. Marble Mountain Primitive Area. Comment
  HSC167  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-8-2 238 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  POM42527  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest Foothills. 1524 Comment
  HSC22171  Osmorhiza berteroi J. O. Sawyer 1969-7-24 1199 Siskiyou W of Sugar Lake 1890 Comment
  HSC69331  Osmorhiza berteroi John S. Palmer 1980-8-13 759 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  SBBG25956  Osmorhiza berteroi D. Myrick 1966-8-10 1530 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC92939  Oxyria digyna Jennifer Whipple 1977-7-20 1995 Siskiyou N slopes of Mount Eddy 2500 Comment
  JEPS26959  Packera cana W. L. Jepson 1940-6-23 20007 Siskiyou n of Mt. Shasta (near Andesite station) 975 Comment
  HSC24638  Packera cana J. W. Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument, lava slopes Comment
  UC1523253  Packera streptanthifolia W. J. Ferlatte 1985-6-7 2105 Siskiyou 2.2. mi n Louie Road (Interstate 5, e side of n-bound lanes) 822 Comment
  SBBG2225  Paeonia brownii H. and M. Dearing 1938-6-29 2191 Siskiyou Mt Shasta 1828 Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. Comment
  CAS-BOT-BC422852  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway. 914 Comment
  JEPS24797  Parnassia californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6806 Siskiyou at sw end of Castle Lake, headwaters of Sacramento River Sacramento River; Castle Lake, Sacramento River 1661 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
  UC1408936  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou High Lake Basins in vicinity of English Peak (Salmon Mountains, Marble Mountain Wilderness Area, Abbott's Lake); Salmon Mountains, Marble Mountain Wilderness Area, Abbott's 1722 Comment
  CAS-BOT-BC202864  Paxistima myrsinites Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  HSC29145  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou Marble Mtn. Wilderness Area, steep loose talus due W of 'Horse's Hole', a pond above Horse Range Lake 1982 Comment
  HSC43360  Paxistima myrsinites N. G. Sugihara 1977-5-28 67 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  RSA47641  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11753 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  RSA47986  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11772 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC266637  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6550 Siskiyou 0.25 mile from Hancock Lake on trail to Marble Mountains 2194 Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  POM210647  Pedicularis racemosa Louis C. Wheeler 1934-6-12 2702 Siskiyou Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1280 Comment
  CAS-BOT-BC67678  Pellaea brachyptera Lincoln Constance; Reed C. Rollins 1942-5-14 2933 Siskiyou Klamath - Siskiyou Region - Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC67686  Pellaea brachyptera Doris K. Kildale 1928-8-20 6591 Siskiyou Lily Pad Lake near Hancock Lookout. Comment
  CAS-BOT-BC67725  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  UC1313059  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou sw ridge of Black Marble Mt; Marble Mt Wilderness Area 2133 Comment
  UC812365  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Spirit Lake; Marble Mts Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  SD62067  Penstemon anguineus Darley F. Howe 1965-8-8 4125 Siskiyou Saddle, south side of Little Gray Back, Klamath National Forest 1402 Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  SEINET7073520  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
Read comments
Jul 13 2018
  JEPS45933  Penstemon cinereus Rimo Bacigalupi and L. R. Heckard 1966-6-13 9177 Siskiyou along Bolam Logging Road (n base of Mt. Shasta); , along Bolam logging road 1432 Comment
  CAS-BOT-BC265363  Penstemon davidsonii var. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta Comment
  NY590177  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3200.4 Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  RSA78952  Penstemon deustus E. K. Balls, Percy C. Everett 1952-10-12 18179 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  CHSC49026  Penstemon deustus var. pedicellatus Vernon Oswald 1986-5-29 2077 Siskiyou Hwy 97 between Weed and Grass Lake, 8.6 mi ne of Weed. 1066 Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. 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
  SEINET5329750 Image available Penstemon heterodoxus var. shastensis G. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  UCR93376  Penstemon humilis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  RSA407901  Penstemon laetus subsp. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  UC1341739  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  POM257846  Penstemon laetus var. sagittatus C. Leo Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  RSA21194  Penstemon newberryi subsp. newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou Sw side of Mt Shasta, 0.5 mi S of trail to Horse Camp. 1524 Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  CAS-BOT-BC239338  Penstemon newberryi var. berryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, 1/2 mi. S. of trail to Horse Camp 1524 Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  HSC69343  Penstemon newberryi var. berryi Maralyn A. Renner 1980-9-9 2762 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  UC313697  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (on W flank of Mount Shasta); Mount Shasta 1609 Comment
  NY677129  Penstemon parvulus D. W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  SEINET4440734 Image available Penstemon piliferus A. A. Heller 1905-1 7991 Siskiyou Comment
  RSA215651  Penstemon procerus subsp. brachyanthus Gilbert Muth 1969-8-6 1219 Siskiyou Boulder Peak. 2530 Comment
  HSC61155  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS27132  Penstemon procerus var. formosus Harley P. Chandler June, 1901 1639 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 2133 Comment
  RSA401848  Penstemon procerus var. formosus M. B. Dunkle 1945-7-19 9221 Siskiyou Marble Valley Summit; rocky ridge. Comment
  CAS-BOT-BC94403  Penstemon purpusii R. C. Wenk 2005-7-15 201 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  HSC70604  Penstemon roezlii J. O. Sawyer, R. J. Cole 1981-7-2 4148 Siskiyou Near Scott Mtn. Campground 1585 Comment
  RSA50197  Penstemon roezlii E. K. Balls 1949-7-8 13907 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  UC164359  Penstemon speciosus Geo. D. Butler 1909-6-20 430 Siskiyou near Yreka; near Yreka Comment
  UC1473446  Perideridia oregana Laura Witherspoon 1980-9-7 123 Siskiyou Oak Knoll Ranger District 975 Comment
  JEPS74554  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou Big Flat Hillside seep forming boggy meadow Trinity Alps (between campground and S. Fork of the Salmon R.) 1524 Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 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-BC418939  Persicaria lapathifolia Carl B. Wolf 1927-8-26 990 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC43049  Persicaria lapathifolia K. T. Stillman 1976-8-24 440 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC330282  Petasites frigidus var. palmatus G. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  HSC41799  Phacelia bolanderi Brent Whitely 1975-7-1 126 Siskiyou Klamath National Forest at Ti Creek 671 Comment
  HSC23000  Phacelia corymbosa William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  HSC70602  Phacelia corymbosa J. O. Sawyer, R. J. Cole 1981-7-2 4149 Siskiyou Near Scott Mountain Campground Comment
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  POM73589  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou Damp land near Yreka. Comment
  UC24397  Phacelia hastata Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC97881  Phacelia hastata Juha Pykala, D. H. Norris 1987-7-8 2424 Siskiyou Little Medicine Lake, S and W sides between lake and the rd. 2043 Comment
  JEPS94266  Phacelia hastata subsp. hastata Vernon H. Oswald and Lowell Ahart 1998-6-11 9181 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  SEINET5763830  Phacelia heterophylla G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  HSC13662  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou 2 mi. NW of Mt. Shasta City 1052 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  CAS-BOT-BC141450  Phacelia ramosissima var. eremophila Doris K. Kildale 1929-6-25 8363 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  JEPS101029  Phacelia thermalis Dean Wm. Taylor with Glenn Clifton 1990-6-11 10871 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  UCSB13234  Philadelphus lewisii Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  RSA0097451  Philadelphus lewisii E. E. Stanford 1930-6-15 1601 Siskiyou Shasta River Canyon near Yreka. Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC34296  Phleum pratense J. P. Smith, J. O. Sawyer 1973-8-14 7290 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  RSA74735  Phlox adsurgens Albert M. Vollmer, L. Beane 1951-6-2 75 Siskiyou Happy Camp, Klamath River Hwy. Comment
  RSA78295  Phlox adsurgens P. A. Munz 1952-7-1 17863 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UCSB14858  Phlox adsurgens Breedlove, Dennis 1961-7-2 Siskiyou 14.0 miles southeast of O'brien on road to Happy Camp; Siskiyou Mountains 1463 Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  UC164141  Phlox diffusa Geo. D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills Goosenest 1676 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  UC1017713  Phlox douglasii subsp. rigida Marion Ownbey and Ruth P. Ownbey 1938-7-20 1762 Siskiyou near Dry Lake Lookout (summit of Siskiyou Mountains); Siskiyou Mountains Comment
  HSC76669  Phlox rigida K. T. Stillman 1976-7-22 287 Siskiyou Marble Mtn. Wilderness Area Comment
  CHSC3177  Phlox speciosa Robert D. Briggs 1966-5-13 R- 151 Siskiyou 14 miles west of Gazelle. Comment
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC1034578  Phlox speciosa subsp. occidentalis unknown 1955-7-26 266 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  LA209898  Phoradendron bolleanum Louis C. Wheeler; 1934-6-26 2789 Siskiyou Siskiyou Mountains, Camp Lowe, Klamath River 761 Comment
  JEPS91239  Phyllodoce empetriformis Dean W. Taylor 1972-7-3 1614 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  CAS-BOT-BC64869  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-19 331 Siskiyou Along the Pacific Crest Trail, near top of Pass below Mount Eddy. 2440 Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  HSC27011  Physocarpus capitatus J. P. Smith, J. O. Sawyer 1972-9-13 5779 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  UCSB24685  Physocarpus capitatus Favero, R. 1968-5-16 Siskiyou 13 miles from Somes Bar bridge toward Happy Camp, Salmon Mountains 487 Comment
  CAS-BOT-BC73427  Picea breweriana Doris K. Kildale 1929-7-21 8746 Siskiyou Elk Lick, upper Indian Creek 1219 Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  CAS-BOT-BC78164  Picea breweriana Roxana S. Ferris; Doris K. Kildale 1928-8-19 (K) 6534 Siskiyou Summit of Divide between English + Hancock Lake - trail to Marble Mt. 2194 Comment
  HSC69278  Picea breweriana Maralyn A. Renner 1980-9-1 2677 Siskiyou Bear Mtn. 1936 Comment
  UC1318222  Picea breweriana Alan Bell 1963-8-17 Siskiyou on slope sw Log Lake (10 deg e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountains 1965 Comment
  UC407005  Picea breweriana Peter Bennett 1928-7-11 Siskiyou head of No Nothing Creek Salmon Mts., No Nothing Creek Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  UCSB24020  Picea breweriana Keefe, Joseph 1967-7-11 Siskiyou Along trail, 0.5 mile east of Cook and Green Pass, north of Seiad Valley 1706 Comment
  NY30145  Picea engelmannii L. E. Berriman 1940-8-30 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
  SDSU1544  Picea engelmannii D. F. Howe 1969-8-30 4680 Siskiyou Blake Creek, north fork of Salmon River, about 20 miles southwest of Aetna. 1829 Comment
  CAS-BOT-BC73398  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Summit of Black Butte. 1905 Comment
  RSA233709  Pinus albicaulis Robert F. Thorne, Fred Oettinger 1969-8-10 39012 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 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
  NY34637  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73312  Pinus balfouriana John Thomas Howell 1939-8-8 15166 Siskiyou Marble Mts., Black Mt. Comment
  CAS-BOT-BC78408  Pinus balfouriana W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Pk. Comment
  UC401405  Pinus contorta Annie M. Alexander and L. Kellogg 1911-6-20 161 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  UC1313007  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou just above the saddle between Marble sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  CAS-BOT-BC78957  Pinus monticola Doris K. Kildale 1928-8-19 6563 Siskiyou Hancock Lake trail to Marble Mt. 2133 Comment
  CAS-BOT-BC72867  Pinus ponderosa Doris K. Kildale 1929-4-27 7494 Siskiyou Cecilville Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  UC922534  Piperia elongata Annie M. Alexander and Louise Kellogg 1948-9-4 5579 Siskiyou halfway between Somesbar and Forks of the Salmon Rivre; Siskiyou Mountains, Salmon River Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  HSC68412  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1409 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC458197  Pleuricospora fimbriolata L. E. Smith 1914-7-3 732 Siskiyou Sisson Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  UC1025004  Poa bolanderi Leo Whitney 1935-7-15 3467 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  RSA239030  Poa cusickii subsp. epilis Frederick W. Oettinger 1968-8-3 449 Siskiyou Slope between Upper English Lake and trail to English Peak and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2165 Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  LA12604  Poa pratensis Jason Swallen; 1939-8-8 13847 Siskiyou Mount Shasta, near the spring over flows at Horse Camp 2438 Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  UC1132719  Poa pratensis subsp. pratensis H. A. Jensen 1933-7-27 333 Siskiyou Grey Butte; Shasta Nat'l Forest, Dunsmuir Quadrangle Comment
  RSA184780  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mountains 2043 Comment
  UCD91766  Poa pringlei Alfred H. Murphy 1957-7-24 57 U Siskiyou head of Bear Creek Trail to Toad Lake, Shasta National Forest, south of Mt. Eddy. 2346 Comment
  CAS-BOT-BC237706  Poa secunda Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Welll, Lava Beds National Monument Comment
  POM198427  Poa secunda Geo D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  UC1265394  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou ridge above Horse's Hole Pond (near Horse Range Lake); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1981 Comment
  UC796628  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11719 Siskiyou e fork of Scott River Schoolhouse Hill; Plowman's Valley [Noyes Valley] Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UCD92067  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 1920 Comment
  CAS-BOT-BC74167  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner's ranch on old road to Lava Beds, near north boundary of the National Monument. Comment
  CHSC71589  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  CAS-BOT-BC170342  Polygala cornuta var. cornuta Annie M. Alexander; Louise Kellogg 1948-9-4 5581 Siskiyou On bank above road, half way between Somersbar and Forks of the Salmon, Salmon River - Siskyou Mountains Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  SEINET6652321 Image available Polygonum arenastrum A. A. Heller 1915-1 1753 Siskiyou Metcalfs ranch, northeast base of Mount Eddy 1189 Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. Comment
  JEPS25561  Polygonum davisiae Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7186 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Hwy, sw slopes of mt.); Mt. Shasta 2346 Comment
  UC1215081  Polygonum davisiae Paul C. Hutchison 1962-8-2 927 Siskiyou between Panther Meadow and top of ski lift (s slopes); Mount Shasta 2438 Comment
  UC1408821  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Crapo Peak ridge trail break Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2194 Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  JEPS57136  Polygonum douglasii L. R. Heckard 1967-7-5 1603 A Siskiyou along Bolam logging rd. on n. side of Mt. Shasta 1524 Comment
  UC572801  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1937-8-6 9200 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  UC454279  Polygonum douglasii subsp. spergulariiforme I. J. Condit July 1911 Siskiyou Dunsmuir Comment
  RSA237772  Polygonum douglasii var. latifolium Frederick W. Oettinger 1968-8-11 470 Siskiyou SW side of creek bed E of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1026897  Polygonum minimum W. Bridge Cooke 1940-8-22 15486 Siskiyou Mount Shasta, Squaw Valley Creek 2438 Comment
  UC850205  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  CAS-BOT-BC420067  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 a Siskiyou Medicine Lake Comment
  HSC27507  Polygonum polygaloides subsp. kelloggii 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
  UC1408817  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1216 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (base camp, w Siskiyou Co.) 1828 Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  UC672954  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1935-8-1 14401 Siskiyou on ridge between Salmon River and New River (at extreme head of Knownothing Creek); Rock Lake 1889 Comment
  RSA142622  Polygonum shastense P. A. Munz 1960-8-22 24182 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  CAS-BOT-BC232929  Polypogon Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, W of Callahan 1463 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76726  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-4-27 7504 Siskiyou Cecilville Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1456685  Polystichum imbricans subsp. imbricans I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley 1524 Comment
  UC1495276  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-26 4961 Siskiyou Mud Creek, e side of canyon Mt. Shasta; So. Cascade Mts., Sacramento River Basin 1706 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  RSA60633  Polystichum lemmonii I. L. Wiggins 1950-5-28 12378 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  UCSB17940  Polystichum lemmonii Hardham, Clare 1961-7-3 Siskiyou S of Calahan, Scott Mountains. Comment
  RSA693280  Polystichum lonchitis S. W. H. 1932-07 115 Siskiyou Somes Bar to Forks of Salmon River. Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC45878  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-13 5788 Siskiyou 2 mi. W of Cook and Green Pass on the rd. to Lily Pad Lake Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC19902  Populus tremuloides R. C. Wunner 1965-7-13 384 Siskiyou Lava Beds National Monument, Indian Well prefab near maintenance area 1433 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
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  UC1265463  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-22 1494 Siskiyou bottom of Horses Hole (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA238843  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-18 1417 Siskiyou NW shore of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC205181  Potentilla breweri James R. Shevock; Barbara Williams 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains 2011 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC18736  Potentilla flabellifolia Dorothy Parker 1949-7-10 338 Siskiyou Head of Paradise Lake, Salmon Mtn. Comment
  UC375387  Potentilla gracilis var. fastigiata Geo. D. Butler 1907-6-13 923 Siskiyou Near Oro Fino. Comment
  CAS-BOT-BC540546  Potentilla gracilis var. fastigiata David D. Keck 1938-8-8 4869 Siskiyou Scott Mountain Divide, between Scott Mountain and Craggy Peak, at Trinity Co. line 1676 Comment
  CAS-BOT-BC540573  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-29 10985 Siskiyou Pumice Mt. Comment
  CAS-BOT-BC516388  Prosartes hookeri Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC516390  Prosartes hookeri Alice Eastwood 1921-7-30 11031 Siskiyou Soda Creek Canyon Comment
  HSC30411  Prosartes hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou Marble Mtn. Wilderness Area, above Wiregrass Meadow near English Lake 1707 Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158221  Prunus emarginata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC158228  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158232  Prunus emarginata Doris K. Kildale 1928-8-18 6447 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  UC1281135  Prunus emarginata H. E. McMinn 1931-6-26 2506 Siskiyou near Shasta Comment
  UC466756  Prunus emarginata Annie M. Alexander and Louise Kellogg 1911-6-15 144 Siskiyou Jackson Lake 1798 Comment
  UC796547  Prunus emarginata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11776 Siskiyou about 5.5 mi from Etna (on forks of Salmon Road) Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS44608  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20092 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  POM88405  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou [Greka or Silka]? Creek Comment
  UC1128442  Prunus virginiana var. demissa M. H. Mitchell 1936-5-12 Siskiyou n side of Eaglenest, Modoc Lava Beds National Monument Eaglenest; Modoc Lava Beds National Monument, Eaglenest 1584 Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  RSA454202  Prunus virginiana var. melanocarpa Christopher Davidson 1975-6-5 2654 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  JEPS80667  Pseudognaphalium thermale W. B. and V. G. Cooke 1977-9-22 54838 Siskiyou along logging road to Mud Creek Dam Squaw Valley Creek; Mt. Shasta Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CAS-BOT-BC239809  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CHSC96624  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA789820  Pseudostellaria jamesiana Rebecca Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  CHSC9490  Pteridium aquilinum var. pubescens J. F. Goodwin 1971-7-3 134 Siskiyou 0.1 mi. south of road at Multiple Use area. 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  HSC68442  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-7-4 1387 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow Comment
  CAS-BOT-BC460557  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4428 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 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-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC147911  Purshia tridentata var. tridentata Wm. Bridge Cooke 1938-6-24 11100 Siskiyou Sisson Southern Trail Comment
  SBBG27229  Purshia tridentata var. tridentata L. C. Wheeler 1935-6-13 3571 Siskiyou Mill Crk, Quartz Valley 944 Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  CAS-BOT-BC462803  Pyrola dentata W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UCD77970  Pyrola minor Robert E. Preston 2001-7-20 1677 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
Read comments
Jan 14 2016
  CAS-BOT-BC68602  Quercus chrysolepis Carl B. Wolf 1927-8-26 1079 Siskiyou on the Klamath River, 4 mi below Hamburg Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  UCD40474  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1225 -8 Siskiyou Hamburg. 490 Comment
  CAS-BOT-BC94651  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  UCR18737  Quercus garryana Frank C. Vasek 1975-6-29 750629- 08 A Siskiyou 2.3 mi. east of Callahan Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  UC338537  Quercus garryana var. breweri unknown Jul 28 1888-Aug 13 1888 Siskiyou near Mt. Shasta (near Soda Spring) Comment
  UC705928  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou 21 mi n Happy Camp; Summit of Siskiyou Mountains Comment
  POM106327  Quercus garryana var. garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River. Comment
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC105474  Quercus kelloggii Roxana S. Ferris; Laura Lorraine 1948-6-12 11961 Siskiyou 2.6 miles below summit of Gazelle Mountain Grade, E side 1417 Comment
  CAS-BOT-BC104367  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou E of Cook & Green Pass 1524 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  SFV17490  Quercus sadleriana P. Wilson 1998-7-25 3548 Siskiyou Bear Creek just before entering Marble Mountain Wilderness. 1200 Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  CAS-BOT-BC104620  Quercus vacciniifolia Doris K. Kildale 1929-7-20 8697 Siskiyou Raspberry Lake, near East spur Preston Peak Comment
  HSC535  Quercus vacciniifolia William J. Ferlatte 1967-8-23 1085 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  SBBG25915  Ranunculus alismifolius D. Myrick 1966-8-12 1541 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC28662  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Marble Mtn. Wilderness Area, Salamander Pond near Abbott's Lake 1768 Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  SBBG2264  Ranunculus orthorhynchus var. orthorhynchus H. and M. Dearing 1939-6-5 3555 c Siskiyou E of McCloud 1066 Comment
  RSA269271  Ranunculus testiculatus T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, S of jct of Annie and State Street, Yreka Comment
Read comments
Mar 20 2011
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA12078  Rhamnus ilicifolia Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA7703  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC68407  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1415 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC200668  Rhus aromatica Geo. D. Butler 1910-6-29 1615 Siskiyou Near Yreka Comment
  CAS-BOT-BC200669  Rhus aromatica H. E. Brown 1897-7-15 595 Siskiyou On the South side of Mt. Shasta 3048 Comment
  UC163757  Rhus trilobata Geo. D. Butler 1910-6-29 1615 Siskiyou near Yuba Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  CAS-BOT-BC92532  Ribes binominatum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, Salmon Mountains. Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS84059  Ribes binominatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6419 Siskiyou ca. 5 mi n Seaid Valley (town) (cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  POM215880  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., 1677 Comment
  LA205407  Ribes cereum Wm. Bridge Cooke; 1938-8-22 11564 Siskiyou Diller Canyon Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 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
  SEINET9296947  Ribes cruentum var. cruentum 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
  CAS-BOT-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  UCD102256  Ribes inerme var. klamathense John Sawyer 1977-7-7 3041 Siskiyou Just north of Sugar Creek on State Route 3. Scott Valley. 975 Comment
  CAS-BOT-BC173285  Ribes lacustre John Thomas Howell 1937-7-22 13305 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC173387  Ribes lobbii T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1676 Comment
  JEPS84053  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 a Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC154065  Ribes lobbii Harley P. Chandler June, 1901 1557 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC166553  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  RSA0021145  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  HSC29426  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  SEINET12220262  Ribes marshallii H. P. Chandler 1901-1 1549 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  UC165932  Ribes roezlii Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  CAS-BOT-BC199979  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC199985  Ribes roezlii var. cruentum Alice Eastwood 1923-5-18 11840 Siskiyou Shasta Springs Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  UC165385  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat Comment
  RSA0024593  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Next basin east of Salamander Pond, Abbotts Lake basin. High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1768 Comment
  RSA0024601  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino. Comment
  HSC29415  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC144515  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-20 8693 Siskiyou trail fm Elk Lick to Raspberry Lake, upper Indian Creek 1828 Comment
  HSC48270  Ribes sanguineum var. sanguineum K. T. Stillman, P. Stekel May 1977 511 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC173907  Ribes velutinum Elmer I. Applegate 1927-4-24 5001 Siskiyou Modoc Lava Beds, Battle Ground Comment
  JEPS49257  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Yreka Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CDA25590  Ribes viscosissimum T. C. Fuller 1962-6-13 8978 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  LA86537  Ribes viscosissimum John M. Tucker; 1963-7-7 3710 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  HSC29245  Romanzoffia sitchensis Frederick W. Oettinger 1968-9-1 650 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's Lake 1799 Comment
  HSC99213  Romanzoffia sitchensis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  UC1871389  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  RSA715952  Rosa eglanteria L. Ahart, J. Dittes 2005-6-10 12065 Siskiyou E of a poor dirt road. About 90 yards NE of the pump house along the Shasta River. About 1.9 miles (air) S of Hwy 99/97 cutoff. About 6 miles (air) ESE of Grenada. 777 Comment
  UC729589  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou along river 1 mi above Happy Camp; Klamath River 182 Comment
  CAS-BOT-BC146740  Rosa gymnocarpa Alice Eastwood 1912-7-19 1228 Siskiyou Mount Shasta Comment
  JEPS105028  Rosa gymnocarpa Dean W. Taylor 1996-7-23 15814 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  RSA237781  Rosa gymnocarpa Frederick W. Oettinger 1969-7-29 1098 Siskiyou Along stream above Uncle's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC768888  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147080  Rosa pisocarpa Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC27034  Rosa pisocarpa J. P. Smith, J. O. Sawyer 1972-9-14 5811 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  UC1034581  Rosa pisocarpa Milo S. Baker and Douglas Barbe 1955-7-4 95 Siskiyou French Creek Rd 10 mi s Etna (along creek) 944 Comment
  UCR66433  Rubus lasiococcus L. C. Wheeler 1934-8-13 3116 Siskiyou Siskiyou Mountains: Johnson Dairy 1829 Comment
  UC618724  Rubus leucodermis W. Bridge Cooke 1938-6-17 11038 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  SEINET10542809  Rubus leucodermis LeRoy E. Detling 1947-6-4 Detling 6108 Siskiyou Slater butte, klamath national forest. T17n,r7e,sec.13. Douglas fir, oak Forest. Humboldt mer. Pseudotsuga tacifolia, quercus chrysolepis, q. Kelloggii, Arbutus menziesii, acer macrophyllum, pinus lambertiana. Mountain slope. Nw Exsposure. Rocky clay-loam. Mod. Dry, partial shade. Occasional 1067 Comment
  CAS-BOT-BC147325  Rubus parviflorus Alice Eastwood 1923-5-27 11943 Siskiyou Shasta Springs, on road to McCloud Comment
  CHSC36165  Rubus ursinus K. Bridwell 1978-4-14 88 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  HSC68414  Rubus ursinus Maralyn A. Renner 1980-7-4 1405 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC433406  Rumex crispus Wm. Bridge Cooke 1939-6-23 13511 Siskiyou Mount Shasta. At Bear Springs. Comment
  RSA120933  Sagina decumbens subsp. occidentalis G. D. Barbe 1957-7-14 393 Siskiyou Salmon-Trinity Alps Wilderness Area, w/s of private road S of Big Flat Public Camp, Klamath National Forest. About 1 mile S of boundary gate. Comment
  HSC29617  Sagina saginoides Frederick W. Oettinger 1969-9-5 1688 Siskiyou Marble Mtn. Wilderness Area, S side of Davis Mt., Abbotts Lake region 1677 Comment
  LA208557  Salix exigua var. exigua W. B. C.; 1940-6-20 15157 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  CHSC88393  Salix laevigata Jenny Marr 1993-7-1 152 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC482250  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  UC1034618  Salix lasiandra var. lasiandra unknown 1955-6-28 6 Siskiyou 0.8 mi. n. of Callahan (in dredgings near Hjertagers' Mill) 975 Comment
  SD899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  CAS-BOT-BC124535  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 647 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC124546  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-7-1 5322 Siskiyou Forks of Salmon - Salmon River Comment
  CAS-BOT-BC128306  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC124894  Salix lemmonii Alice Eastwood 1921-7-28 10965 Siskiyou Medicine Lake Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC126154  Salix scouleriana L. E. Smith 1913-4-2 619 Siskiyou Sisson Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  SBBG57975  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  SJSU169  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou E of Metcalf ranch house, N base of Mt Eddy c. 10 km NW of Shasta City 1079 Comment
  SJSU200  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC4515  Salsola tragus D. M. Thomson 1965-8-6 168 Siskiyou Lava Beds National Monument, S of Crescent Butte. Comment
  CAS-BOT-BC225207  Salvia sonomensis Alice Eastwood 1923-5-22 11902 Siskiyou Sissons, road to Mt. Shasta Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC238878  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-24 13391 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  JEPS80602  Sambucus racemosa var. microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1795 Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  SEINET11912599  Sanguisorba annua Unknown 1986-1 60333 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Road (Rd 45N22) at intersection with roads 1018 Comment
  HSC38874  Sanicula graveolens J. P. Smith 1973-5-5 6491 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1733806  Sanicula graveolens Kay H. Beach, Frank Gould 1940-5-15 620 Siskiyou upper Bull Meadows. Comment
  RSA471482  Sanicula graveolens J. O. Sawyer, K. Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC94390  Sanicula tuberosa R. C. Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  RSA303574  Saponaria officinalis J. R. Shevock 1972-7-26 2228 Siskiyou Along the Klamath River. 518 Comment
  CAS-BOT-BC110341  Sarcobatus vermiculatus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39040 Siskiyou Ca. 2 miles west of Lower Klamath National Wildlife Refuge. 1295 Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  JEPS33850  Saxifraga cespitosa Gilbert Muth 1966-7-31 468 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC445870  Saxifragopsis fragarioides J. Bernard Brinton 1882-9-5 s.n. Siskiyou Cliffs overhanging Castle Lake Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  CHSC91389  Schoenoplectus americanus Lowell Ahart; John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  HSC89803  Scirpus congdonii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  RSA483308  Scribneria bolanderi L. C. Wheeler 1935-5-1 3450 Siskiyou Yreka Creek. Siskiyou Mountains. Mt. Diablo Mer. 854 Comment
  UC175503  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  UC1114766  Scutellaria nana W. Bridge Cooke 1956-7-16 30304 Siskiyou above Hotlum Station (along old logging road, n side of Mount Shasta); Mount Shasta 1524 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS105142  Sedum laxum subsp. flavidum Dean W. Taylor 1993-7-30 13991 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 2104 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19545  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-9 1237 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  SEINET13761495  Sedum oregonense R. E. Brainierd, N. Otting 2013-7-8 CWG- 247 Siskiyou Salmon Mountains, Russian Wilderness, ridge S Little Duck Lake. 2236 Comment
  RSA603161  Sedum oregonense L. C. Wheeler 1934-7-3 2847 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
Read comments
Oct 12 2020
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  UC831881  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  SEINET10908347  Senecio aronicoides Katherine L. Morris, David B. Dunn; Melvin L. Conrad 1973-5-25 Morris 273 Siskiyou Collected 32.9 mi. NW of the junction of Hwy. 89 & 299 on Hwy. 89, in a pure stand of ponderosa pine. 14.3 mi. E of McCloud. Comment
  RSA473139  Senecio canus J. William Thompson 1936-7-8 13150 Siskiyou Lava slopes of Lava Beds National Monument. Comment
  CAS-BOT-BC363643  Senecio fremontii var. occidentalis Wm. Bridge Cooke 1938-8-23 11572 Siskiyou Mount Shasta. North slope of Shastina Comment
  CHSC88130  Senecio hydrophilus Jenny Marr 1993-7-1 141 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS94761  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 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
  HSC67865  Senecio integerrimus var. major J. P. Smith 1976-5-5 8676 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC364438  Senecio triangularis Annie M. Alexander; Louise Kellogg 1949-7-19 5809 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM255759  Senecio triangularis Marion Ownbey, Ruth Ownbey 1938-7-20 1759 Siskiyou 1 mile NW of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SBBG25851  Senecio triangularis D. Myrick 1966-8-10 1520 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  CAS-BOT-BC364431  Senecio triangularis L. R. Short 1933-8-5 106 Siskiyou Klamath National Forest. Big ridge N. of Marble Mts. 1981 Comment
  OBI55454  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23550 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  HSC86539  Sibbaldia procumbens D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, base of Red Butte 2134 Comment
  RSA237594  Sibbaldia procumbens Frederick W. Oettinger 1969-9-3 1608 Siskiyou Shasta Ridge N below English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 2195 Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  CAS-BOT-BC205787  Sidalcea oregana Elmer I. Applegate 1895-5-29 941 Siskiyou Sisson, Mt. Shasta Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  JEPS67291  Sidalcea oregana subsp. oregana W. L. Jepson 1940-7-1 20088 Siskiyou 6 mi e McCloud (McCloud River); , e of McCloud, Fowlers Camp 975 Comment
  UC454908  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank along R.R.) Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  UC871511  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); , near Wagon Creek Falls 1524 Comment
  CAS-BOT-BC181196  Silene campanulata subsp. glandulosa L. B. Kildale 1930-6-1 9748 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  JEPS90787  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou Paynes Springs 2 mi se from Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  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
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  UC465700  Silene douglasii Milo S. Baker Aug. 1897 135 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  HSC69515  Silene grayi John Palmer 1980-7-24 653 Siskiyou Dillon Divide 1707 Comment
  HSC76646  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  UCSC000259  Silene lemmonii I. J. Condit 2011-7-5 s.n. Siskiyou near Shasta - Mt. Bradley 1524 Comment
  CAS-BOT-BC389537  Silene menziesii Volney Rattan 1913-6-1 s.n. Siskiyou Klamath Comment
  JEPS107671  Sisymbrium altissimum Lowell Ahart, John Dittes 2005-6-9 12020 Siskiyou Open 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
  UC429235  Sisyrinchium bellum unknown April 1903 Siskiyou Yreka; Mount Mooney Comment
  HSC78187  Sisyrinchium idahoense var. idahoense L. P. Janeway 1983-8-6 508 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  SEINET10614387  Solidago David B. Dunn 1971-8-15 Dunn 18144 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  UCR47901  Solidago canadensis 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
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  RSA211471  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC30220  Spergularia rubra William J. Ferlatte 1968-6-8 1126 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  RSA1888  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  UC136435  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou between Igerna and Weed Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  HSC60775  Spiraea splendens var. splendens Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  HSC27981  Stachys pycnantha Carl W. Mize 1972-9-24 124 Siskiyou Along logging road 816 Comment
  RSA580059  Stachys rigida subsp. rigida Louis C. Wheeler 1935-7-26 3715 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC19087  Stellaria crispa J. O. Sawyer 1969-8-5 1766 Siskiyou W of Little Duck Lake 2073 Comment
  HSC719  Stellaria crispa William J. Ferlatte 1967-8-20 1058 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  CAS-BOT-BC375640  Stephanomeria lactucina Wm. Bridge Cooke 1938-7-29 11389 Siskiyou Mount Shasta. Howard Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  JEPS36844  Stephanomeria lactucina Geo. D. Butler 1909-1 Siskiyou Highland Mine, Russian Creek North Fork of Salmon River, Russian Creek 1828 Comment
  UCD136391  Stephanomeria lactucina R. Tofsrud; J. M. Tucker 1948-8-4 1784 Siskiyou around 1.5 miles northwest of McCloud. Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  HSC43031  Stipa lemmonii J. O. Sawyer, Ken Stillman 1976-7-2 2804 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC30693  Stipa occidentalis var. californica Frederick W. Oettinger 1968-8-8 454 Siskiyou Marble Mtn. Widlerness Area, Crapo meadow near Tom Taylor Cabin. 2027 Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  HSC64360  Stipa thurberiana Don Bateman 1980-5-20 Siskiyou 12 mi. E of Mt. Hebron 1415 Comment
  CAS-BOT-BC87840  Streptanthus tortuosus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta. Comment
  JEPS84282  Streptanthus tortuosus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 a Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  RSA149078  Streptanthus tortuosus I. L. Wiggins, Dorothy Wiggins 1961-6-15 16492 Siskiyou Quarry on Glass Mountain. Comment
  SD79848  Streptanthus tortuosus Helen V. Witham 1969-10-9 607 Siskiyou Timberline, Mt. Shasta. 2400 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  POM143374  Streptanthus tortuosus Milo S. Baker 1899-7-31 s.n. Siskiyou Eastern slope, Mt Shasta. Ash Creek above Warren and Anderson s Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  HSC18964  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-9 1272 Siskiyou N facing slope above S Sugar Lake 2317 Comment
  HSC69576  Streptopus amplexifolius Maralyn A. Renner 1980-8-6 2258 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC516431  Streptopus amplexifolius Doris K. Kildale 1929-7-21 8734 Siskiyou Elk Lick, south Fork Indian Creek Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC516439  Streptopus amplexifolius John Thomas Howell 1939-8-3 14992 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1565731  Swertia perennis W. J. Ferlatte 1980-9-1 2033 Siskiyou ca 0.5 mi n China Mountain (n 70 degrees e of Crater Lake) 2316 Comment
  JEPS12878  Symphoricarpos albus var. laevigatus Geo. D. Butler 1908-7-3 92 Siskiyou near Yreka (Butler's Ranch) Comment
  RSA507754  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  JEPS40813  Symphyotrichum bracteolatum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson, old stage road n in meadow Region of the Upper Sacramento Comment
  HSC27033  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  HSC85697  Symphyotrichum spathulatum var. spathulatum J. P. Smith 1980-8-24 10343 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  SBBG25856  Tanacetum vulgare D. Myrick 1966-8-13 1552 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC81342  Taxus brevifolia Geo. B. Grant 1902-9-1 1281 Siskiyou Dunsmuir Comment
  CAS-BOT-BC85233  Taxus brevifolia W. R. Dudley 1899-8-14 s.n. Siskiyou Near Pig Creek, McCloud Comment
  UC275506  Taxus brevifolia Frank A. Graham 1923-10-12 Siskiyou head of Knownothing Creek; Salmon Mts., Knownothing Creek 1828 Comment
  UC8  Taxus brevifolia W. H. Brewer 1862-9-9 1366 Siskiyou near Mt. Shasta; Upper Sacramento Valley Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  UC164411  Tetrapteron graciliflorum Geo. D. Butler 1909-4-14 648 Siskiyou hills near Yreka (near Wetzels field on rd to Humbug) Comment
  UC480864  Thalictrum fendleri var. polycarpum Harley P. Chandler June, 1901 1648 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  RSA66832  Thelypodium laciniatum F. W. Peirson 1923-7-19 3734 Siskiyou Laird s Landing. Comment
  MACF002236  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27256 Siskiyou Castle Lake Comment
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  RSA697268  Thlaspi arvense D. W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  JEPS82672  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow); Cabin Meadow (sw of Stewart Springs) 1935 Comment
  UC10968  Thlaspi montanum var. montanum Harley P. Chandler June, 1901 1689 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC67267  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou Dryland near Yreka. Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  UC1408896  Tolmiea diplomenziesii F. W. Oettinger 1969-8-9 1320 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (main North Fork trail, w Siskiyou County); Salmon Mountains 1356 Comment
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC102659  Toxicoscordion venenosum var. venenosum J. P. Smith 2009-6-1 12617 Siskiyou Road to Tenant. Comment
  HSC63477  Triantha occidentalis subsp. occidentalis M. A. Baker 1979-7-31 1092 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  HSC68568  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 923 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  POM349496  Trifolium eriocephalum subsp. eriocephalum M. B. Dunkle 1944-7-15 9104 Siskiyou Siskiyou National Park Comment
  JEPS65859  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-6-28 379 Siskiyou Butler's Ranch Quartz Valley Comment
  JEPS66047  Trifolium kingii var. productum Geo. D. Butler 1908-8-9 377 Siskiyou summit above Marbel Valley 1828 Comment
  HSC69178  Trifolium longipes Maralyn A. Renner 1980-8-6 2337 Siskiyou Cracker Meadow 1555 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
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  UC163681  Trifolium longipes var. hansenii Geo. D. Butler 1900-6-5 1507 Siskiyou Shackleford Creek Comment
  HSC71623  Trifolium microcephalum J. P. Smith 1973-5-5 6559 Siskiyou Scott Bar along the Scott River Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  UC54388  Trifolium repens H. M. Hall and E. B. Babcock June, 1903 4068 Siskiyou Sisson Moutn Shasta Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  SBBG25900  Trifolium wormskioldii D. Myrick 1966-8-13 1549 Siskiyou Big Flat Cmpgrd, Mountain Meadow Ranch, Big Flat Comment
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UCD93302  Trisetum canescens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3437 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. 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
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  UCD93711  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  UCD93739  Trisetum spicatum A. H. Murphy 1959-7-21 59 E Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UC1586939  Triteleia Juha Pykala and D. H. Norris 1987-6-26 2117 Siskiyou 0 to 3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  UC1094393  Triteleia crocea var. modesta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5945 Siskiyou ca. 6 mi. due s. Mt. Eddy (s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  CHSC2079  Triteleia hyacinthina M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC618729  Tsuga mertensiana unknown 1938-9-8 11677 Siskiyou around the borders of Panther Creek Meadows (and extending across Gray Butte to the e forming solid forest island of Hemlock in the Shasta Fir Zone in vicinity of Squaw Creek Meadows); Mount Shasta, , Gray Butte, Panther Cre Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  POM283898  Utricularia vulgaris subsp. macrorhiza H. E. Brown 1897-6-11 s.n. Siskiyou North side of Mt. Shasta. 1524 Comment
  HSC19515  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1679 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC7936  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou Near Paradise Lake, Salmon Mtn. 1982 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  RSA238839  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC199484  Vaccinium scoparium John Thomas Howell 1939-8-6 15109 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC228831  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1930 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  HSC19097  Vaccinium scoparium J. O. Sawyer 1969-8-1 1620 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  RSA700700  Vaccinium scoparium L. C. Wheeler 1934-8-5 3038 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  CAS-BOT-BC199527  Vaccinium uliginosum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  RSA183709  Valeriana sitchensis subsp. scouleri Gilbert Muth 1965-8-6 190 Siskiyou Marble Mountains; backside of Black Mountain Comment
  RSA238823  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1968-8-6 425 Siskiyou At the SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 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
  HSC45191  Vancouveria hexandra J. O. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  HSC61296  Vancouveria hexandra Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  RSA183712  Veratrum californicum Gilbert Muth 1965-8-3 151 Siskiyou Marble Valley, Marble Mts. Comment
  HSC30439  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC26765  Verbascum thapsus J. P. Smith, J. O. Sawyer 1971-9-18 4840 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  JEPS16831  Veronica americana Geo. D. Butler 1908-6-28 450 Siskiyou Oro Fino, at L. Eastlick's Ranch Oro Fino Comment
  HSC41803  Veronica americana Brent Whiteley 1975-8-1 119 Siskiyou Ti Creek, Klamath National Forest 671 Comment
  CAS-BOT-BC238148  Veronica cusickii G. J. Muth 1969-8-12 1370 Siskiyou Second Valley Comment
Read comments
Jul 24 2018
  HSC73320  Veronica peregrina subsp. xalapensis Gail Newton 1980-6-20 458 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  RSA167160  Veronica triphyllos Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 915 Comment
  OBI2050  Vicia americana J. M. Applegarth 1969-6-22 s.n. Siskiyou At Cow Crk, near Grouse Crk jctn, near Oregon border 914 Comment
  CHSC71300  Vicia americana var. americana Vernon H. Oswald; Lowell Ahart 1998-6-11 9185 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
  POM28945