Search Results — 2000 specimen records retrieved (1401 records with coordinates)
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(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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  SD76203  Abies magnifica Helen V. Witham 1969-10-9 639 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
Read comments Jul 10 2010
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  CAS-BOT-BC330622  Acer circinatum Volney Rattan 1879-6-1 sn. Siskiyou Unspecified Comment
  CAS-BOT-BC94942  Acer glabrum var. torreyi R. C. Wenk 2005-7-15 238 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine Trail 2042 Comment
  HSC4973  Acer glabrum var. torreyi J. O. Sawyer 1968-6-18 212 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  POM87431  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shakleford Creek Comment
  SEINET4068104 Image available Acer macrophyllum O. M. Clark 1947-1 sn Siskiyou Siskiyou Mountains. Comment
  UC637079  Achlys californica Edward Lee 1934-8-13 1085 Siskiyou Happy Camp to Waldo (Oregon) rd., watershed of W. Branch Indian Creek Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  CAS-BOT-BC210720  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. North Hungry Cr. 1310 Comment
  UCD50821  Achnatherum nevadense Leo Whitney Date Unknown 3471 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  CAS-BOT-BC210867  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-9 15242 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC29148  Achyrachaena mollis George Dexter Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  HSC43029  Acmispon nevadensis J. O. Sawyer, Ken Stillman 1976-7-2 2802 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  UC1483534  Aconitum columbianum John Palmer 1980-8-12 699 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  CAS-BOT-BC391507  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  HSC76664  Aconitum columbianum subsp. viviparum K. T. Stillman 1976-7-29 308 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  POM365584  Aconitum columbianum var. columbianum M. B. Dunkle 1944-7-1 9056 Siskiyou Siskiyou Natl. Forest 1829 Comment
  RSA32897  Aconitum columbianum var. columbianum A. A. Heller 1927-8-1 14433 Siskiyou Sisson. Comment
  CAS-BOT-BC413840  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  SBBG1696  Aconogonon davisiae H. and M. Dearing 1939-7-1 3776 Siskiyou Salmon-Etna divide Salmon Mtn 1828 Comment
  JEPS60385  Actaea rubra W. L. Jepson July, 1894 Siskiyou Sisson Comment
  UC160923  Actaea rubra Harley P. Chandler June, 1901 1560 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 1828 Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  CAS-BOT-BC29317  Adenocaulon bicolor L. E. Smith 1914-6-24 717 Siskiyou Sisson Comment
  CAS-BOT-BC29318  Adenocaulon bicolor L. E. Smith 1913-7-1 428 Siskiyou Dunsmuir Comment
  CAS-BOT-BC69000  Adiantum aleuticum Gordon H. True; John Thomas Howell 1972-6-8 48860 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC68883  Adiantum aleuticum Maralyn A. Renner 1980-6-23 980 Siskiyou W Fork Seiad Creek 878 Comment
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  UCR9591  Aegilops cylindrica D. O. Clark 1970-6-23 s.n. Siskiyou Montague, NE corner of Spiers and 9th Streets Comment
  SEINET3151422  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  JEPS60251  Ageratina occidentalis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2318 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Road, on n side of the Mccloud River arm of Lake Shasta) 487 Comment
  CAS-BOT-BC15483  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10875 Siskiyou Medicine Lake Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC21389  Agoseris aurantiaca var. aurantiaca Wm. Bridge Cooke 1939-7-26 13638 Siskiyou Near the lower portion of the Panther Creek meadow area 2286 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  CAS-BOT-BC22772  Agoseris heterophylla Alice Eastwood 1912-7-15 1124 Siskiyou McCloud Comment
  CAS-BOT-BC22782  Agoseris heterophylla Roxana S. Ferris; Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mountain Grade, road between Gazelle and Callahan 1499 Comment
  HSC68072  Agoseris heterophylla J. P. Smith 1973-5-5 6563 Siskiyou Scott Bar along the Scott River Comment
  UC1408799  Agoseris monticola Robert F. Thorne and Fred Oettinger 1969-8-10 38992 Siskiyou s slope, at base of boulders on slopes above ski-lodge Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  JEPS94260  Agoseris parviflora Vernon H. Oswald and Lowell Ahart 1998-6-11 9224 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  CAS-BOT-BC110745  Agropyron Roxana S. Ferris; Laura Lorraine 1948-6-12 11795 Siskiyou Scott Mountain Road south of Callahan. Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239097  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1025005  Agrostis exarata Leo Whitney 1935-7-15 3468 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD37074  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD51753  Agrostis gigantea Robert E. Preston 2001-8-26 1761 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  RSA238354  Agrostis humilis Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA215626  Agrostis idahoensis Gilbert Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak 2226 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  UCD53188  Agrostis pallens A. H. Murphy 1955-7-28 55 I Siskiyou Hancock Lake, Marble Mountains, Klamath National Forest. 1889 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  HSC30586  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  HSC22463  Agrostis variabilis J. O. Sawyer 1969-8-4 1895 Siskiyou Above S Sugar Lake 2043 Comment
  RSA238338  Agrostis variabilis Frederick W. Oettinger 1969-9-2 1604 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC459431  Allium acuminatum Alice Eastwood 1912-7-20 1249 Siskiyou Hornbrook Comment
  CAS-BOT-BC459433  Allium acuminatum Lewis S. Rose 1945-6-18 45069 Siskiyou Horse Creek and Klamath River 502 Comment
  POM110045  Allium acuminatum Geo D. Butler 1909-5-26 788 Siskiyou Hill near Yreka. Comment
  SEINET182277  Allium acuminatum L. C. Wheeler 1935-1 Siskiyou 0 Comment
  HSC42108  Allium amplectens J. O. Sawyer, K. T. Stillman 1976-5-29 2751 Siskiyou Along Specimen Creek 884 Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  HSC30437  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou Marble Mtn. Wilderness Area, N of Tom's Laver Pond 1982 Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCD141785  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments Mar 27 2015
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 Comment
  HSC60887  Allium validum Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC453446  Allotropa virgata Alice Eastwood 1912-9-1 2060 Siskiyou Mount Shasta Comment
  CAS-BOT-BC171409  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  CAS-BOT-BC171410  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  CHSC118466  Alnus incana subsp. tenuifolia Julie Kierstead Nelson 2015-8-13 2015 -131 Siskiyou UTM NAD 83 Zone 10, 536590m E, 4583713m N. Headwaters of west fork Parks Creek, 2 miles NE of China Mountain 2176 Comment
  HSC22209  Alnus rhombifolia J. O. Sawyer 1969-7-11 865 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  RSA158059  Alnus viridis subsp. sinuata Jack Major 1961-7-14 649 Siskiyou South wall of Mud Creek, Mount Shasta. 2317 Comment
  RSA238550  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, around the outlet stream of English Lake. 1753 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CHSC88411  Alopecurus aequalis Jenny Marr 1993-7-1 170 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA161609  Alopecurus aequalis Geo D. Butler 1910-8-13 1837 Siskiyou Oro Fino Creek bank. Comment
  CHSC71566  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  HSC43825  Alyssum alyssoides Maralyn O'Meara 1974-5-27 479 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS93966  Amaranthus blitoides Vernon H. Oswald and Lowell Ahart 1998-9-16 9642 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC163667  Amaranthus californicus Geo. D. Butler 1908-8-14 64 Siskiyou Yreka Comment
  HSC68453  Amelanchier alnifolia Maralyn A. Renner 1980-7-4 1401 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC29352  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC99818  Amelanchier pallida G. L. Clifton, Griswold 1979-6-27 6091 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  RSA79000  Amelanchier pallida E. K. Balls, Percy C. Everett 1952-10-13 18188 Siskiyou E shore of Castle Lake. 1585 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC144389 Image available Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou Yreka Comment
  CAS-BOT-BC222294  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-20 1766 Siskiyou Near Yreka along Shasta River Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS61146  Amsinckia intermedia Geo. D. Butler 1904-4-20 600 Siskiyou near Yreka Comment
  RSA465170  Anagallis arvensis Edwin Kline 1920-6-24 14839 Siskiyou Siskiyou Mts. Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  RSA607943  Ancistrocarphus filagineus L. C. Wheeler 1935-5-1 3452 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  UC1190150  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou trail to Caribou Lake (summit of ridge above Thompson Creek) 1999 Comment
  UC853524  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake; Marble Mtns Comment
  RSA105354  Anemone deltoidea G. D. Barbe 1955-7-6 135 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UC69625  Anemone deltoidea W. P. Gibbons Jun 1896 Siskiyou <Coleston?>; W. 121 degrees 1249 Comment
  HSC722  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska Summit 2134 Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  HSC58912  Anemone multifida Marvin Butler, J. L. Kraemer 1971-7-11 91 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  JEPS60509  Anemone occidentalis W. L. Jepson 1907-7-6 2852 Siskiyou rocky ridge near Cudahay Valley; Marble Mt. region Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  UC166568  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  UC485658  Antennaria geyeri M. K. Curran Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC79903  Antennaria microphylla John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS89482  Antennaria racemosa Dean William Taylor 1972-7-3 1598 Siskiyou at Cook and Green pass Cook and Green pass 1371 Comment
  RSA416694  Antennaria racemosa M. B. Dunkle 1944-7-3 9071 Siskiyou Siskiyou Mts. Beaver Crk. 1677 Comment
  UC165973  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Sh<?>leford Creek 1219 Comment
  UC1409504  Antennaria rosea F. W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw Salmon Mountains 1676 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  JEPS60250  Antirrhinum vexillocalyculatum subsp. breweri L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2317 Siskiyou 15 mi from U.S. Hwy 99 and Gilman Road (off Gilman Road, on n side of the McCloud River arm of Lake Shasta); Lake Shasta, McCloud River 487 Comment
  POM127134  Antirrhinum vexillocalyculatum subsp. breweri L. R. Abrams 1922-8-6 9897 Siskiyou Klamath River 6 miles below Hornbrook Comment
  POM15415  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  POM43386  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou Fort Jones. Comment
  UC1238901  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1950-7-11 3724 Siskiyou 2.0 mi from north end of Cedar Camp road (Cedar Camp road, where the road joins the Klamath <River> again, and 42.5 mi n of Klamath <River> from the s end of Cedar Camp road, w Siskiyou Co.); North Coast Ranges Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides 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
  HSC101465  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 2011-7-21 13042 Siskiyou Near Dillon Camp 1358 Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  UC163992  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou near Cold Spring (Woolly Creek) Comment
Read comments May 9 2012
  UC637167  Apocynum androsaemifolium Edward Lee 1934-8-13 1071 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest, watershed of W. Branch of Indian Creek 1371 Comment
  CAS-BOT-BC394984  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-21 4397 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, W side of Rush Creek 1036 Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  CAS-BOT-BC397950  Aquilegia formosa W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of My Eddy Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC39239  Arabis holboellii var. retrofracta J. P. Smith 1976-5-21 8764 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  HSC62266  Arabis holboellii var. retrofracta Stansell 1938-6-18 Siskiyou Youngs Valley Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC69259  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-20 3743 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  CDA24666  Arabis subpinnatifida Doug Horn 1978-4-9 Siskiyou Horn Ranch, Etna. Comment
  HSC22082  Arabis suffrutescens var. horizontalis J. O. Sawyer 1969-7-25 1539 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  SJSU6267  Aralia californica R. W. Trivelpiece 1971-8-18 72 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts. 1127 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  CAS-BOT-BC407792  Arceuthobium campylopodum William Bridge Cooke 1938-9-2 11593 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  CAS-BOT-BC410043  Arceuthobium cyanocarpum William Bridge Cooke 1963-7-10 34280 Siskiyou E of Bolam Creek Canyon, N side of Mount Shasta 2438 Comment
  SEINET2139983  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -48 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness Area. 1950 Comment
  CAS-BOT-BC39007  Arctostaphylos klamathensis Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-5 s.n. Siskiyou Terrace Lake 1920 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC45439  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  SJSU11157  Arctostaphylos nevadensis P. L. Billings 1965-7-12 93 Siskiyou slope above Horse Camp, SW side of Mt Shasta 2377 Comment
  UCD52850  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. 1767 Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  HSC29306  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, due E of Uncle's Lake 1829 Comment
  HSC33989  Arctostaphylos patula J. P. Smith 1974-5-25 7481 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA182018  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UCR32086  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of junction of State Route 3 along Gazelle-Callahan Rd Comment
  SDSU2844  Arctostaphylos viscida D. F. Howe 1961-8-3 3128 Siskiyou North of Klamouth River, 36 miles east of Happy Camp. 488 Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  RSA12511  Arctostaphylos viscida subsp. viscida C. B. Wolf 1934-7-4 5925 Siskiyou Klamath River, 3 mi. below Tee Bar Creek. 213 Comment
  POM253575  Arenaria congesta var. crassula C. L. Hitchcock 1939-7-9 5324 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC82660  Arnica latifolia H. A. Thomas; J. H. Thomas 1954-7-24 4490 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC22199  Arnica latifolia J. O. Sawyer 1968-7-2 353 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 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
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC96413  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 373 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS128462  Arnica mollis Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC85022  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  RSA215638  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1969-8-6 1210 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  HSC27089  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1972-9-14 5803 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC68276  Artemisia ludoviciana subsp. ludoviciana Steve Selva, J. P. Smith 1970-8-9 4578 Siskiyou W of Macdoel Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  HSC2416  Artemisia norvegica subsp. saxatilis William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn. 2470 Comment
  HSC35802  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1821 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC97420  Artemisia tridentata subsp. tridentata W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  SEINET11163156 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC400695  Asarum hartwegii Alice Eastwood 1912-7-17 1174 Siskiyou Sisson Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  CAS-BOT-BC400708  Asarum hartwegii Wayne Roderick 1967-7-28 s.n. Siskiyou Along road to ski area, Mt. Shasta Comment
  HSC58844  Asclepias cordifolia Marvin Butler 1971-7-12 118 Siskiyou Near Copper Creek, close to the town of Cave Jct. 1464 Comment
  RSA0092490  Asclepias cordifolia Jennifer Hedin 1996-5-27 228 Siskiyou Lower Mel, R falls, campground/picnic area. Location interpreted by M. Fishbein: Lower Fowler Falls near McClout and Fowler Camp. Comment
  SEINET10455161  Asclepias cordifolia LeRoy E. Detling 1947-6-4 Detling 6118 Siskiyou Slater butte. Klamath national forest. Pseudosuga taxifolia - quercus chrysolepsis - q. Kelloggii - arbutus menziesii - acer macrophyllum - pinus lambertiana. Comment
  UC23009  Asclepias speciosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD121382  Asclepias speciosa Dean W. Taylor 1972-7-3 1620 Siskiyou Near the town of Etna in Yellow Pine Forest. 1219 Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  UCR37820  Aster ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn., Scott Bar 15' Q. Comment
  RSA530006  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  HSC75122  Astragalus purshii J. P. Smith, Thomas W. Nelson 1979-6-16 10142 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  CHSC71298  Astragalus purshii var. purshii Vernon H. Oswald; Lowell Ahart 1998-6-11 9202 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC71338  Astragalus purshii var. purshii J. P. Smith 1976-5-21 8759 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  HSC71634  Astragalus purshii var. tinctus J. P. Smith 1973-5-5 6530 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC200881  Astragalus whitneyi var. lenophyllus Louis C. Wheeler 1934-8-24 3217 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC198709  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts. 5 miles above Callahan 1264 Comment
  HSC92424  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-7-2 1264 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  RSA211515  Athyrium americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC66197  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1929-7-20 8727 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  SEINET7239737 Image available Balsamorhiza deltoidea G. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  SEINET193358  Balsamorhiza hookeri Unknown 1942-5-14 2919 Siskiyou One mile east of Yreka. 762 Comment
  CAS-BOT-BC100058  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1794 Siskiyou 4 miles north of Weed Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  JEPS95668  Balsamorhiza lanata Vernon H. Oswald and L. Ahart 1999-7-5 9811 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5000 ft, yellow pine forest, serpentine substrate 1524 Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CAS-BOT-BC400049  Berberis Doris K. Kildale 1928-7-25 5908 Siskiyou Klamath River - Mack's Creek near Hamburg Comment
  HSC65094  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6419 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD95090  Berberis aquifolium var. repens James P. Smith 1973-5-5 6436 Siskiyou along Cook and Green Pass road. Comment
  CAS-BOT-BC75728  Berberis nervosa L. E. Smith 1913-8-30 543 Siskiyou Mount Eddy. Comment
  JEPS117473  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS58657  Betula occidentalis Miss Edmonds Jul 1890 Siskiyou Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  UCR51790  Bidens cernua L. C. Wheeler 1934-10-21 03337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  JEPS11902  Bidens cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4801 Siskiyou about 0.8 mi s of Fort Jones; Scott Valley 822 Comment
  HSC68981  Bistorta bistortoides Maralyn A. Renner 1980-7-24 2060 Siskiyou Lily Pad Lake 1768 Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127974  Blepharipappus scaber R. C. Barneby 1954-5-16 11526 Siskiyou 7 mi. n.e. of Fort Jones 1005 Comment
  RSA49959  Blepharipappus scaber E. K. Balls 1949-7-8 13896 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1504530  Boechera divaricarpa Dorothy Parker 1951-5-10 397 Siskiyou Kidder Creek Scott Valley 914 Comment
  UC609356  Boechera divaricarpa Eleanor Burks Hart 1938-8-15 908 Siskiyou Upper Wright Lake 2255 Comment
  CAS-BOT-BC14271  Boechera pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5308 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  SBBG2413  Boechera retrofracta H. and M. Dearing 1939-7-2 3801 Siskiyou Etna-Salmon Divide 1828 Comment
  SEINET3166091  Boechera retrofracta P. J. Alexander 2008-7-24 872 -A Siskiyou On the Pacific Crest Trail on the N side of Lilypad Lake, +-0.45 miles S of Red Butte, +-5.75 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1783 Comment
  CAS-BOT-BC25612  Boechera retrofracta John Thomas Howell 1937-7-26 13570 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25623  Boechera retrofracta George Dexter Butler 1909-5-1 728 Siskiyou Near Yreka. Comment
  SEINET12004229  Boechera retrofracta Unknown 1936-1 13433 Siskiyou Weed Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  RSA298356  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mile E of Steinacher Creek Rd on road to Forks of Salmon. Comment
  RSA610985  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mountains: South Fork Indian Creek, near Happy Camp. Comment
  NY162750  Brickellia greenei E. L. Greene 1870-8-24 1012 Siskiyou On South Fork of Scott River Comment
  OBI55536  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UC1040686  Brickellia greenei Beecher Crampton 1956-8-21 3840 Siskiyou bench above Sacramento River, just below junction of the Middle Fork with the South Fork Sacramento River 1112 Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA602812  Bromus carinatus L. C. Wheeler 1935-6-4 3548 Siskiyou Etna, Scott Valley 899 Comment
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 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-BC148793  Bromus carinatus var. marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wildneress Area. Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  HSC65377  Bromus hordeaceus J. P. Smith 1973-5-5 6555 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC162472  Bromus laevipes L. R. Short 1933-5-31 79 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  RSA239073  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1190229  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  HSC30544  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Marble Mountain Wilderness Area, NE of Crapo Ridge above Tom Taylor Cabin 1890 Comment
  HSC65333  Bromus suksdorfii J. P. Smith, J. O. Sawyer 1973-8-15 7327 Siskiyou N of Angel Lake 2012 Comment
  RSA239070  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Above Bear meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC36759  Bromus tectorum J. P. Smith 1974-5-25 7408 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD59884  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC273226  Cacaliopsis nardosmia Lincoln Constance; Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath--Siskiyou Region. Klamath River 4 miles east of Seiad 457 Comment
  RSA602389  Calamagrostis canadensis L. C. Wheeler 1935-7-26 3716 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  UC1265382  Calamagrostis canadensis F. W. Oettinger 1969-9-4 1634 Siskiyou Hancock Lake, E side Salmon Mountains 1935 Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  RSA60790  Calamagrostis koelerioides Dorothy Parker 1948-8-19 Siskiyou summit of Scott Mountain. 1583 Comment
  UC1108541  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  CAS-BOT-BC80330  Callitropsis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N. W. Siskiyou Co. 152 Comment
  HSC65557  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  CAS-BOT-BC85726  Calocedrus decurrens Carl B. Wolf 1927-8-26 1059 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS39848  Calocedrus decurrens W. L. Jepson 1907-7-19 2946 Siskiyou Indian Creek Siskiyou Mts., Indian Creek Comment
  RSA78681  Calochortus coeruleus Philip A. Munz 1952-7-2 17874 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  JEPS109666  Calochortus elegans Dean W. Taylor 2002-6-29 18206 Siskiyou ridge ca. 0.5 mile SW of Kanagroo Lake, Scott Mountains 1981 Comment
  RSA261444  Calochortus elegans var. nanus J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-7-7 3712 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CDA39291  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC493100  Calochortus nudus Thomas W. Nelson; Jane P. Nelson 1980-7-20 6189 Siskiyou China Mountain Camp. On hillside above and to southeast of Big Carmen Lake. 1737 Comment
  CAS-BOT-BC94452  Calochortus nudus R. C. Wenk 2005-7-18 304 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, along Highway 3, Scott Mountain Campground 1650 Comment
  CAS-BOT-BC181506  Caltha leptosepala Gilbert J. Muth 1969-8-12 1381 Siskiyou Second Valley 2225 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  HSC69129  Caltha leptosepala Maralyn A. Renner 1980-7-24 2046 Siskiyou Lily Pad Lake 1768 Comment
  HSC92133  Caltha leptosepala Jennifer Whipple 1976-6-12 971 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  RSA11162  Calycadenia ciliosa C. B. Wolf 1927-8-27 1152 Siskiyou Klamath River, 1 mile above mouth of Salmon Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  POM52739  Calycadenia truncata subsp. scabrella Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  SD53343  Calyptridium umbellatum Darley F. Howe 1962-8-6 3410 Siskiyou Mt. Shasta 2440 Comment
  CAS-BOT-BC221260  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  CDA39905  Calystegia occidentalis subsp. occidentalis G. C. Fleischman 1946-7-26 s.n. Siskiyou Vicinity of Mt. Shasta. 0 Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  RSA47654  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11865 Siskiyou 8 miles from summit of Gazelle Mt. grade, east side. 930 Comment
  CAS-BOT-BC37000  Camelina microcarpa Carl B. Wolf 1934-7-6 5977 Siskiyou Southwest slope of Mount Shasta. 0.25 mile east of Mount Shasta City. 1097 Comment
  JEPS53275  Camelina microcarpa W. C. Blasdale 1894-7-28 Siskiyou Sisson Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  CHSC91373  Camissonia contorta Lowell Ahart; John Dittes 2005-6-10 12088 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
Read comments Jul 20 2020
  UC873944  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek Siskiyou Mts. 853 Comment
  SD104864  Campanula prenanthoides Darley F. Howe 1979-6-25 Siskiyou 7.0 miles southeast of Domes Bar. Comment
  SEINET10463337  Campanula prenanthoides Alice Eastwood 1912-8-30 Eastwood s.n. Siskiyou Mount Eddy Comment
  UC131636  Campanula rotundifolia Copeland 1903-9-7 3852 Siskiyou Mt Eddy Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463792  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou Sanger Lake 1524 Comment
  CAS-BOT-BC266460  Campanula wilkinsiana Alice Eastwood 1912-9-1 2063 Siskiyou Mount Shasta Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  SEINET10463886  Campanula wilkinsiana Cooke 1946-9-2 COOKE 17642 Siskiyou In Horse Camp water supply spring above Horse Camp, Mount Shasta 2515 Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  RSA758728  Cardamine A. C. Life 1924-3-22 14537 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  HSC41072  Cardamine californica J. O. Sawyer 1970-4-3 2057 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  POM95843  Cardamine californica var. integrifolia Geo. D. Butler 1910-6-4 1487 Siskiyou Shackleford Creek Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  SD123686  Carex Robert T. Clausen, Harold Trapido 1940-7-27 4963 Siskiyou Southern Cascade Mountains; Sacramento River Basin; in volcanic dust in open woods 6.25 miles north-northeast of summit of Mt. Shasta. 1829 Comment
  CAS-BOT-BC18394  Carex Doris K. Kildale 1928-8-19 6517 Siskiyou English Lake, head of North Fork of Salmon River. Comment
  UC1982127  Carex Robert F. Thorne and Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta Comment
  SEINET10585933  Carex abrupta Louis C. Wheeler 1935-7-26 Wheeler 3719 Siskiyou Siskiyou Mts. S12, T47N, R10W. Mt Diablo Mer. Jaynes Canyon. Wet sunny meadow. 1951 Comment
  POM211398  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  SEINET8355497  Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River NF: low on the New London, between the first and second acute corners, near the trailhead, between Rd 1050 and the creek. Comment
  HSC29643  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  HSC89537  Carex exsiccata K. Berg, Stephanie Bennett 1986-8-25 652 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC76839  Carex exsiccata L. P. Janeway 1982-8-1 97 Siskiyou Curve of FS Rd. 17N32 at FS Rd. 17N32A, 5 mi. from Indian Creek Rd. 793 Comment
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. 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
  CHSC78915  Carex feta Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  POM81965  Carex feta Geo D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  CAS-BOT-BC20748  Carex fracta W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  JEPS100298  Carex halliana Dean W. Taylor 2001-8-28 17906 Siskiyou Mt. Shasta; western base of Ash Creek Butte 1767 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  SEINET7562450 Image available Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  JEPS63703  Carex jonesii B. C. Goldsmith 1916-10-10 37 Siskiyou Widow Creek Mt. Shasta, Widow Creek Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  RSA237328  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. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC73328  Carex leptopoda Gail Newton 1980-6-20 490 Siskiyou Near Bald Mtn. 1097 Comment
  HSC100116  Carex luzulina Maralyn A. Renner 1980-7-24 2068 Siskiyou Lily Pad Lake 1768 Comment
  SEINET7566355 Image available Carex luzulina Ray Tallent 1987-8-16 943 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  JEPS109227  Carex luzulina var. luzulina D. W. Taylor 2005-8-18 19466 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  JEPS95952  Carex mendocinensis Vernon H. Oswald and L. Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  JEPS63498  Carex multicaulis W. L. Jepson 1940-6-27 20043 Siskiyou e slope, Mt. Shasta Mt. Shasta 2133 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  UC593523  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1927 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  POM79951  Carex multicaulis E. B. Copeland 1903-8-15 2380 Siskiyou Mt. Shasta. 2134 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC69230  Carex multicostata Maralyn A. Renner 1980-9-1 2717 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. 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-BC118783  Carex preslii Fred D. Douthitt 1923-7-13 1 Siskiyou Dry Lake Mt. 2133 Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  RSA238956  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CHSC109958  Carex rossii Peter F. Zika; Julie Nelson 2012-6-21 25908 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19, Klamath Range. 1665 Comment
  CHSC96546  Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  CAS-BOT-BC118213  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou Preston Peak quad, At poker Flat 1524 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  HSC71110  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4499 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET7574452 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Scott Mountain 7.5' quad, Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC91374  Carex scopulorum Jennifer Whipple 1978-10-6 2424 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC30523  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Marble Mtn. Wilderness Area, on trail SE of Tom's Lake 2012 Comment
  RSA238924  Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Above pond north of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  SEINET4292102 Image available Carex straminiformis L. Janeway, Castro, B 2007-1 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the north-west-trending shoulder. Open exposed slope above theforest of mountain hemlock and red fir. Comment
  UC1363  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mt. Shasta 2133 Comment
  CHSC82804  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  JEPS84179  Carex subfusca L. R. Heckard with J. Hickman 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  CAS-BOT-BC115847  Carex subfusca William Bridge Cooke 1940-7-5 15289 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  UC2046025  Carex viridula var. viridula Barbara L. Wilson with Mary Vance 2004-7-16 11055 Siskiyou Approximately one mile by road north of Crater Creek, in the headwaters of an unnamed tributary of Mountain House Creek, in the Klamath National Forest. Comment
  HSC19023  Castilleja applegatei J. O. Sawyer 1969-6-12 920 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  LA209198  Castilleja applegatei C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 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
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC722238  Castilleja applegatei subsp. pinetorum C. L. Hitchcock and J. S. Martin 1939-7-9 5327 Siskiyou 0.5 mi se King's Castle; Marble Mts. Comment
  CAS-BOT-BC243764  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3878 Siskiyou West base of Redshale Mountain, east side of Medicine Lake 1981 Comment
  JEPS4513  Castilleja lacera Geo. D. Butler 1909-6-20 932 a Siskiyou near Yreka; Upper Portugese Ditch Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS11639  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest Mountain Comment
  JEPS74484  Castilleja miniata W. J. Ferlatte 1966-8-2 232 Siskiyou between campground and South Fork of Salmon River (Big Flat); Trinity Alps, Big Flat 1524 Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  CAS-BOT-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  CAS-BOT-BC254114  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  CDA33294  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  LA86534  Castilleja miniata J. M. Tucker; 1963-8-17 1963 Siskiyou Marble Mountain Wilderness Area, Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Area 1493 Comment
  UC1187078  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi sw Grass Lake 1524 Comment
  UC725776  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou e base Deer Mountain 1432 Comment
  CAS-BOT-BC26229  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Station Comment
  HSC65287  Castilleja pruinosa Rich White 1978-7-6 257 Siskiyou Pond above Elk Hole 1524 Comment
  UC199392  Castilleja pruinosa Annie M. Alexander and L. Kellogg 1911-6-21 173 Siskiyou Jackson Lake; Jackson Pk. 2438 Comment
  HSC29389  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Marble Mtn. Wilderness Area, NE of Diamond Lake 2088 Comment
  JEPS84188  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 0.5 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass, e of road) 1730 Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  CAS-BOT-BC50690  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-20 1251 Siskiyou Hornbrook Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  POM85998  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley. Comment
  UCD77491  Ceanothus prostratus Robert E. Preston 2001-7-21 1737 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  JEPS42293  Ceanothus sanguineus Duncan Dunning 1922-6-5 Siskiyou Moffitt Creek 1066 Comment
  UCR131602  Ceanothus sanguineus L. C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mtns., Sterling Mine, Bullion Mtn. 1280 Comment
  LA105199  Ceanothus velutinus Steve Morgan; 1987-7-28 sn Siskiyou Shasta-Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud, , S of Mt. Shasta 1767 Comment
  RSA398978  Ceanothus velutinus Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  RSA398982  Ceanothus velutinus M. B. Dunkle 1944-7-7 9074 Siskiyou Deer Creek. 1768 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  UCR136775  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CAS-BOT-BC52849  Ceanothus velutinus var. velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou Ridge betw. upper reaches of China and Blind Horse Creek Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  CAS-BOT-BC489620  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  CAS-BOT-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  RSA240103  Cerastium fontanum subsp. vulgare Frederick W. Oettinger 1969-8-9 1321 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  RSA45332  Cercocarpus ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley. 1220 Comment
  LA47784  Cercocarpus ledifolius W. B. C.; 1940-6-4 15011 Siskiyou Mount Shasta, Shasta Valley near Bolam Comment
  SBBG27254  Cercocarpus ledifolius var. intermontanus L. C. Wheeler 1934-9-5 3246 Siskiyou summit of Sterling Mtn 2127 Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  UC144397  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  UC54083  Chaenactis douglasii var. douglasii H. M. Hall and E. B. Babcock 1903-6-1 4117 Siskiyou Mount Shasta, at n base Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CAS-BOT-BC276779  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou Fell fields, W side of Mud Creek Canyon, Mount Shasta 3048 Comment
  CAS-BOT-BC106034  Chaenactis suffrutescens R. C. Barneby 1954-5-16 11521 Siskiyou Scott R. 10 1/2 miles below Fort Jones 1005 Comment
  CHSC83136  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. At edge of Kidder Creek. Comment
  POM31491  Chaenactis suffrutescens Edward Palmer 1892-7-13 2480 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  CDA1805  Chamaecyparis lawsoniana D. G. Kelch 2007-7-25 7 .497 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  JEPS9111  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  UC26088  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  UC164158  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou dry falls near Yreka Comment
  CAS-BOT-BC166097  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  HSC65317  Chenopodium album J. P. Smith, Steve Selva 1970-8-9 4583 Siskiyou In potato fields W of Macdoel. Comment
  RSA0110269  Chenopodium incognitum L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1540165  Chenopodium rubrum Dean W. Taylor 1987-8-9 9293 Siskiyou along Hwy 161 (OR border) 8.3 mi w Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  CAS-BOT-BC451442  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  UCR90894  Chimaphila menziesii Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  HSC19321  Chimaphila umbellata J. O. Sawyer 1968-9-28 741 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CDA3730  Chorispora tenella D. E. Bayer 1960-5-27 Siskiyou Butte Valley; In (west) ca. 1 mile on road originating at U.S. Highway 97 ca. 1 mile south of Macdoel and running around Meiss Lake. 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
  POM208524  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
  CAS-BOT-BC36379  Chrysolepis chrysophylla Doris K. Kildale 1928-8-20 6626 Siskiyou at lead of north Fork Salmon River, Finleys upper Camp Comment
  CAS-BOT-BC36389  Chrysolepis chrysophylla H. A. Thomas; J. H. Thomas 1957-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  RSA17745  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument. Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  UC60955  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  UCD59689  Cinna latifolia Robert E. Preston 2001-7-20 1690 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, north of Hemlock Lake. 1731 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  HSC69340  Circaea alpina subsp. pacifica John Palmer 1980-8-13 787 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  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
  RSA237259  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-6-28 132 Siskiyou Kelly Gulch, tributary of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 677 Comment
  JEPS93965  Cirsium arvense Vernon H. Oswald and Lowell Ahart 1998-9-16 9633 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  CDA32841  Cirsium arvense CDFA Staff 1985-6-27 Siskiyou Tule Lake. 0 Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  UC2013018  Cirsium douglasii Barbara Ertter 1990-7-14 9345 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  HSC68040  Cirsium occidentale var. candidissimum J. P. Smith, Steve Selva 1970-6-17 4095 Siskiyou 6 mi. E of Somes Bar 259 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228978  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  UC796568  Clarkia gracilis subsp. gracilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11711 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  HSC68566  Clarkia rhomboidea Maralyn A. Renner 1980-6-7 779 Siskiyou N of Greenhorn Rd. 1098 Comment
  SEINET10689252  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2348 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec. 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus Garryana, and Quercus Kelloggii. Elevation 2800-3000 feet. 855 Comment
  CHSC1374  Claytonia cordifolia V. Holt 1943-8-8 Siskiyou Marble mountains. 1828 Comment
  UCD100501  Claytonia cordifolia J. P. Smith; Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC1046531  Claytonia cordifolia R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3443 Siskiyou Takilma-Happy Camp road; exactly at Oregon-California State line 1432 Comment
  UC1299368  Claytonia lanceolata Freed W. Hoffman 1950-7-14 3629 Siskiyou Baldy Mt.; w Siskiyou County Comment
  JEPS80486  Claytonia palustris W. B. and V. G. Cooke 1923-5-23 56458 A Siskiyou Bear Springs; Mt. Shasta Comment
  CAS-BOT-BC443819  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC443832  Claytonia rubra subsp. rubra L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  HSC78205  Claytonia sibirica L. P. Janeway 1983-8-6 500 Siskiyou Poker Flat 1524 Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  UC375351  Cleome platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou near Montague; Shasta Valley Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC637145  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest West Branch Indian Creek; Klamath National Forest, West Branch Indian Creek 1463 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC238058  Collinsia Mary Boyd Lichens 1948-5-1 s.n. Siskiyou Near Walker, along Klamath River 579 Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  CHSC89527  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  HSC46177  Collinsia rattanii Jennifer Whipple 1977-4-30 1888 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  SBBG36715  Collomia grandiflora D. H. Wilken with C. Donahue 1976-7-17 12709 Siskiyou 3.3 mi SE of Forks of Salmon along rd to Cecilville 396 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 Siskiyou Sisson Comment
  UC1409300  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou along trail from English Lake to Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  HSC74913  Collomia tracyi J. P. Smith 1978-5-28 9953 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  CAS-BOT-BC230676  Collomia tracyi L. B. Kildale 1930-6-1 9702 Siskiyou Salmon River at [Cropp?] Creek Comment
  CAS-BOT-BC286040  Conyza canadensis L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  CHSC30248  Corallorhiza maculata M. S. Taylor 1980-7-8 3106 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC45041  Corallorhiza maculata J. O. Sawyer, E. Cope 1977-6-19 2942 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC618678  Corallorhiza maculata W. Bridge Cooke 1938-8-5 11461 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  SEINET8733336 Image available Cordylanthus pilosus var. bolanderi Herbert L. Mason 1950-1 14064 Siskiyou 5 miles south of summit of road from Happy Camp, California, to Waldo, Oregon Comment
  JEPS66527  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1971-8-28 2784 Siskiyou 5.3 mi s Callahan (3 mi below road summit, along road up to Scott Mt.) 1341 Comment
  RSA397706  Cornus glabrata B. C. Templeton 1957-6-22 7736 Siskiyou Between Callahan and Gazelle. Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212057  Cornus nuttallii L. B. Kildale 1930-6-1 9824 Siskiyou Etna Mills Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  UCD117162  Cornus nuttallii Beecher Crampton 1956-8-21 3849 Siskiyou Siskiyou County, canyon of the Sacramento River just above North Fork Junction with the Middle and South Fork. 1066 Comment
  CAS-BOT-BC210426  Cornus sericea D. E. Breedlove 1962-6-10 3299 Siskiyou Along Indian Creek Road, 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  CAS-BOT-BC376176  Crepis pleurocarpa Andrew Townesmith; Karen M. Meyer 2007-8-1 879 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) 1983 Comment
  CAS-BOT-BC376472  Crepis pleurocarpa Gilbert J. Muth 1969-8-6 1256 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  SEINET10474591  Crepis pleurocarpa Mary Merello 1993-6-22 Merello 698 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC581260  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2436 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC46185  Crocidium multicaule Jennifer Whipple 1977-3-20 1832 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC39807  Cryptantha affinis J. O. Sawyer 1969-7-18 1407 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  POM72947  Cryptantha clevelandii var. dissita Geo. D. Butler 1910-5-27 1416 Siskiyou Dry hill near Yreka. Comment
  UC24648  Cryptantha intermedia Miss Edmonds 1890-7-4 Siskiyou Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
Read comments May 28 2007
  JEPS25598  Cryptantha torreyana Rimo Bacigalupi 1959-7-2 7230 Siskiyou near n base of Caribou Mtn. (headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CAS-BOT-BC33115  Cryptantha trifurca Copeland 1903-7-5 s.n. (= no. 3550 of C.F. Baker's distribution) Siskiyou Klamathon Comment
  CAS-BOT-BC70478  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8666 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  RSA577156  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon 1890 Comment
  SEINET6166400 Image available Cryptogramma crispa subsp. acrostichoides W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC85607  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA1659  Cupressus bakeri C. B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA40897  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  JEPS25542  Cuscuta californica Rimo Bacigalupi with Lincoln Constance 1959-6-17 7159 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Highway 97) 1066 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  HSC78073  Cyclachaena xanthiifolia R. Pederson, G. Pederson 1979-8-15 Siskiyou Tulelake; Lower Klamath National Wildlife Refuge; on E side of the road near entrance to tour route 1238 Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UCD78123  Cystopteris fragilis Robert E. Preston 2001-6-23 1584 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  HSC19086  Danthonia californica J. O. Sawyer 1969-7-25 1531 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS72971  Danthonia californica W. L. Jepson 1940-7-3 20121 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS82308  Danthonia intermedia Roger Raiche 1983-8-14 30615 Siskiyou summit of Mt. Eddy rd. (Forest Rd. #42N17) 2133 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  UC1112870  Danthonia unispicata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mts. Comment
  HSC67648  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-18 4493 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC82222  Darlingtonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4542 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC100270  Dasiphora fruticosa J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13064 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA13714  Datura stramonium Louis C. Wheeler 1934-10-13 3319 Siskiyou Klamath River near Skunk Gulch, Siskiyou Mtns. 610 Comment
  CHSC57497  Delphinium andersonii Lyna R. Black 1990-4-11 4 Siskiyou Approx. 1/2 mi ne of Yreka. 883 Comment
  JEPS96881  Delphinium antoninum Dean W. Taylor 1999-6-10 17248 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC8759  Delphinium glaucum Gilbert J. Muth 1969-8-11 1365 Siskiyou Slope beneath high point of ridge S of Boulder Peak 2316 Comment
  JEPS25835  Delphinium glaucum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7449 Siskiyou Poker Flat Siskiyou Mts. ((about 12 airline mi nw of Happy Camp)) 1524 Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  CAS-BOT-BC8758  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest 1828 Comment
  HSC61772  Delphinium glaucum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  SBBG30506  Delphinium nuttallianum D. Myrick 1968-6-24 2000 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  RSA151975  Delphinium nuttallianum R. C. Bacigalupi 1952-6-17 3739 Siskiyou Trinity - Siskiyou County line. 500 ft above summit of Scott Mt. road, on county boundary. 1829 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  UCD62957  Deschampsia danthonioides Robert E. Preston 2002-6-20 1852 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CAS-BOT-BC201935  Deschampsia elongata Geo. D. Butler 1910-7-7 1769 Siskiyou Shackleford Creek 1219 Comment
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  SEINET7063125  Descurainia incisa subsp. filipes A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Springs [Mayten] on the Mayten Road. UTM Zone 10, 549674mE, 4605677mN. (WGS84/NAD83). 224 Comment
  RSA47783  Descurainia incisa subsp. filipes Roxana S. Ferris, Laura Lorraine 1948-6-12 1854 Siskiyou 1.5 miles below summit of Gazelle Mtn Grade, E side. 1418 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  UC726511  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou near Sisson 1074 Comment
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  SEINET10859948  Dichanthelium lanuginosum A. Arthur Heller 1905-6-5 Heller s.n. Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  CAS-BOT-BC500996  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153733  Diplacus nanus Peter H. Raven 1956-9-4 10412 Siskiyou On south side of Mt. Eddy 2682 Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  POM109258  Disporum hookeri var. hookeri Geo D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  CAS-BOT-BC136094  Dodecatheon alpinum Alice Eastwood 1921-7-29 10972 Siskiyou Medicine Lake 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
  UC22358  Dodecatheon alpinum Harley P. Chandler June, 1901 1572 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC43385  Dodecatheon conjugens Maralyn O'Meara 1974-5-26 461 Siskiyou Along USFS Rd. 47N03 1524 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  HSC3851  Downingia montana John H. Weiler, Lincoln Constance, E. Molseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy. 99, just N of the bridge over the Sacramento River at the N end of Lake Shasta. 396 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
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  JEPS1620  Draperia systyla W. L. Jepson 1894-8-9 20995 Siskiyou Shasta Springs Comment
  HSC103177  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  CAS-BOT-BC401590  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  UC1409246  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (w above English Lake, w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC159440  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  CAS-BOT-BC158424  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8607 Siskiyou South east spur, Preston Peak 1828 Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. Comment
  CHSC107110  Eleocharis parishii R. E. Brainerd 2009-7-23 1573 Siskiyou Klamath Mountains, 4.4 air miles east of Callahan, north side of Scott Mountain, 1.5 miles north of Scott Mountain Pass on State Highway 3. UTM Zone 10 523244E 4571568N. 1426 Comment
  HSC77195  Eleocharis suksdorfiana L. P. Janeway 1983-8-16 556 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC221831  Elymus canadensis Alice Eastwood 1921-7-28 10949 Siskiyou Medicine Lake Comment
  HSC39647  Elymus caput-medusae J. P. Smith, J. O. Sawyer 1971-9-18 4673 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  POM205432  Elymus elymoides Copeland 1903-9-6 3786 Siskiyou Mt. Eddy 1829 Comment
  HSC75111  Elymus elymoides var. elymoides J. P. Smith, Thomas W. Nelson 1979-6-15 10121 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC100317  Elymus glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13028 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206593  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-9 15212 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC39091  Elymus repens A. M. Montalvo, J. D. Ackerman 1974-7-2 345 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  JEPS43884  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-6-25 509 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  RSA50228  Epilobium glaberrimum subsp. glaberrimum E. K. Balls 1949-7-9 13936 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  JEPS82523  Epilobium hallianum Gilbert Muth 1966-8-1 482 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC49657  Epilobium minutum J. P. Smith 1973-5-5 6494 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UCR45371  Epilobium minutum Barry Silver 1986-5-24 605 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  POM38545  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou Near Yreka Comment
  JEPS39282  Epilobium oreganum W. L. Jepson 1914-8-14 6162 Siskiyou Dunsmuir 792 Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  CAS-BOT-BC33406  Epilobium siskiyouense Louis Cutter Wheeler 1934-8-14 3135 Siskiyou Siskiyou Mts., north side, White Mt. 1767 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC174220  Eremogone congesta var. congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  CAS-BOT-BC286699  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  CHSC30758  Ericameria bloomeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC287498  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  SEINET8079148 Image available Ericameria nauseosa var. oreophila G. D. Butler 1910-8-15 1739 Siskiyou Shasta Valley Comment
  CAS-BOT-BC294302  Ericameria nauseosa var. speciosa Doris K. Kildale 1928-7-4 5499 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC46938  Ericameria nauseosa var. speciosa William J. Ferlatte 1976-9-22 1853 Siskiyou Grouse Ridge along Yellow Rose Mine Trail 1860 Comment
  UC163908  Erigeron aliceae Geo. D. Butler 1910-7-8 1653 Siskiyou Shackleford Creek 1371 Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  JEPS82247  Erigeron bloomeri Roger Raiche 1983-8-14 30612 Siskiyou near summit of road to Mt. Eddy ((A.K.A. road to dead fall Meadow, park Creek Road, or Forest Road 42N17)) 2133 Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC294503  Erigeron bloomeri var. bloomeri R. C. Barneby 1954-5-16 11531 Siskiyou 6 mi. s.-w. of Yreka 975 Comment
  HSC19552  Erigeron cervinus J. O. Sawyer 1969-7-10 807 Siskiyou Midslope South face near Sugar Lake 1829 Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  JEPS29998  Erigeron filifolius Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7984 Siskiyou along US Hwy 97 about 7 1/2 mi ne Weed 1127 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
  HSC19249  Erigeron glacialis var. glacialis J. O. Sawyer 1968-7-10 508 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC19478  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-3 1781 Siskiyou Near Little Duck Lake 2073 Comment
  HSC76944  Erigeron glacialis var. glacialis K. T. Stillman 1976-9-9 471 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  CAS-BOT-BC295387  Erigeron inornatus L. E. Smith 1914-7-6 749 Siskiyou Sisson Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  UC179496  Erigeron inornatus var. inornatus A. A. Heller 1914-8-25 11717 Siskiyou along the railroad embankment near Deetz station (opposite Black Butte) 1158 Comment
  UC455841  Erigeron inornatus var. inornatus I. J. Condit 1911-7-3 Siskiyou along R.R. Shasta Retreat (Shasta Retreat) Comment
  HSC29219  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Trail above Willow Springs between Abbott's Upper Cabin and English Lake 1677 Comment
  HSC40994  Erigeron inornatus var. inornatus J. O. Sawyer 1972-7-14 2470 Siskiyou N Fork of Salmon River 1006 Comment
  RSA238778  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake) 1677 Comment
  RSA238782  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake); High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Salmon Mountains 1677 Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC57392  Erigeron klamathensis G. L. Clifton, Griswold 1979-7-26 10126 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA211199  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC300090  Erigeron philadelphicus William M. Hiesey 1947-8-23 554 a Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 mi. north of the Klamath River (10 miles N.W. of Gottville) 701 Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  HSC92072  Eriogonum alpinum Jennifer Whipple 1977-7-20 2002 Siskiyou N slopes of Mt. Eddy, above little lake draining into Durney Lake 2378 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  HSC32165  Eriogonum diclinum J. O. Sawyer 1970-7-5 2329 Siskiyou Ukanom Lake, E of Cuddiky Lakes, Plot 330 1738 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
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  CAS-BOT-BC261229  Eriogonum hirtiflorum W. B. Cooke; V. G. Cooke 1966-7-16 37214 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  POM208193  Eriogonum luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  UC912851  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou above mouth of the Shasta River; Klamath River Comment
  CAS-BOT-BC263657  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar, junction of Salmon and Klamath Rivers Comment
  CAS-BOT-BC94469  Eriogonum marifolium R. C. Wenk 2005-7-19 332 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC42988  Eriogonum marifolium J. P. Smith, Steve Selva 1970-8-8 4560 Siskiyou Comment
  HSC43464  Eriogonum marifolium Jennifer Whipple 1977-7-20 1994 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC849522  Eriogonum marifolium John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC98384  Eriogonum nudum var. nudum J. O. Sawyer 1968-7-23 579 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  UC849763  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou near Yreka Comment
  CAS-BOT-BC272464  Eriogonum nudum var. pubiflorum Lewis S. Rose 1937-7-26 37601 Siskiyou 3 mi. E. of Mt. Shasta City 1371 Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC252964  Eriogonum pyrolifolium var. pyrolifolium Wm. Bridge Cooke 1938-7-28 11372 Siskiyou North Ridges, Mount Shasta 2743 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC262725  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1909-5-10 721 Siskiyou Near Yreka Comment
  CAS-BOT-BC263382  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC909330  Eriogonum strictum var. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill Plowman's Valley, Schoolhouse Hill 1153 Comment
  HSC69044  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2347 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC267947  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267989  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  RSA237775  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -a Siskiyou Midway between Tom Taylor Cabin and Little North Fork River trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt Wilderness Area. 2012 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  SEINET3860081  Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  RSA183674  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 199 Siskiyou Along upper ridges, Marble Valley Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  HSC62631  Eriogonum umbellatum var. polyanthum Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC89399  Eriogonum umbellatum var. polyanthum M. S. Taylor 1980-8-19 3267 Siskiyou Paint Pot Crater 1921 Comment
  HSC17386  Eriogonum vimineum R. C. Wunner 1965-6-29 294 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  CAS-BOT-BC443953  Eriophorum crinigerum Dana York 2012-7-20 3122 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  HSC69054  Eriophorum crinigerum Maralyn A. Renner 1980-8-6 2312 Siskiyou Cracker Meadow 1555 Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  HSC96544  Eriophorum crinigerum Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1950423  Eriophorum crinigerum Barbara Ertter 1990-7-14 9349 Siskiyou just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City; E- facing hillside Comment
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  RSA75642  Eriophyllum lanatum var. achilleoides Albert M. Vollmer, L. Beane 1951-6-2 40 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CHSC96031  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2006-7-3 8768 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CAS-BOT-BC301716  Eriophyllum lanatum var. lanceolatum H. A. Thomas; J. H. Thomas 1954-7-21 4391 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  JEPS80585  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou trail to Marble Mountain Lookout; Marble Mt. Wilderness Area 1792 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  UC618618  Erodium cicutarium unknown 1938-6-24 11084 Siskiyou MacBride Springs Mount Shasta Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA238397  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-14 271 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  JEPS80560  Erysimum perenne Gilbert Muth 1965-8-6 182 Siskiyou trail on backside of mt Marble Mt. Wilderness Area, Black Mountain 1981 Comment
  POM109641  Erythronium grandiflorum subsp. grandiflorum Geo D. Butler 1910-7-9 1715 Siskiyou Marble Mountain. 1829 Comment
  HSC16750  Eschscholzia californica R. C. Wunner 1965-6-15 191 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  UC896392  Eucephalus glabratus A. A. Heller 1915-8-26 12242 Siskiyou n side Mt. Eddy 1767 Comment
  JEPS101309  Eucephalus ledophyllus Dean W. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UCD77363  Eucephalus ledophyllus Robert E. Preston 2001-7-21 1705 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1920 Comment
Read comments Nov 7 2014
  CAS-BOT-BC310482  Eucephalus tomentellus F. P. Cronemiller 1923-8-15 846 Siskiyou Black Butte 2133 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  UC1777716  Euphorbia spathulata J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  RSA433517  Euphorbia spathulata W. Bridge Cooke 1940-6-20 15154 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  HSC101711  Festuca arundinacea J. P. Smith, J. O. Sawyer 2011-6-25 13260 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC82258  Festuca californica Thomas W. Nelson, Jane P. Nelson 1980-7-20 6173 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC283181  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC19418  Festuca occidentalis J. O. Sawyer 1969-7-26 1576 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  RSA239111  Festuca subulata Frederick W. Oettinger 1968-9-6 726 Siskiyou Southeast of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC278641  Festuca subulata Doris K. Kildale 1928-7-3 5453 Siskiyou Little North Fork, Salmon River on road from Forks of Salmon to Sawyers Comment
  CAS-BOT-BC453506  Fragaria Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Lower end of the upper Wagon Camp meadow; Mount Shasta Comment
  CDA25860  Fragaria George Dobbins 1955-3-24 Siskiyou Wheeler property, 1 miles south of McCloud, Squaw Valley Creek. 0 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  SEINET8274264  Fragaria vesca W. Bridge Cooke 1938-6-24 11079 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC437076  Fragaria vesca subsp. bracteata Alice Eastwood No date on label. s.n. Siskiyou Sisson Comment
  CAS-BOT-BC457572  Fragaria vesca subsp. californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  CAS-BOT-BC53417  Frangula californica subsp. occidentalis Doris K. Kildale 1929-8-24 8812 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 Comment
  CAS-BOT-BC59988  Frangula purshiana Elmer I. Applegate 1895-5-30 s.n. Siskiyou Sisson, w. base of Mt. Shasta. Comment
  CAS-BOT-BC59987  Frangula purshiana W. R. Dudley 1899-7-6 s.n. Siskiyou Big Meadow Trail. Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  HSC100302  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13270 Siskiyou Along Sugar Creek Rd., E of its intersection with Hwy. 3. 912 Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC376592  Fraxinus dipetala Andrew Townesmith; Karen M. Meyer 2007-8-3 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS82476  Fritillaria affinis Gilbert Muth 1966-7-8 356 Siskiyou Marble Mountain Wilderness Area, Marble Valley Meadow Marble Valley Meadow Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  UC164252  Fritillaria affinis Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502837  Fritillaria atropurpurea Milo S. Baker 1933-4-22 7425 Siskiyou Pacific Highway between Shasta and Shasta Springs Comment
  HSC69734  Fritillaria atropurpurea Heidi Daetwyler 1981-5-18 1 Siskiyou Elk Flat, logged area, 11 mi. NE of McCloud 1524 Comment
  HSC61605  Fritillaria glauca Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  HSC78195  Fritillaria glauca L. P. Janeway 1983-7-3 366 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  HSC46190  Fritillaria pudica Jennifer Whipple 1977-4-30 1882 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  HSC60824  Galium bifolium Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC67749  Galium bolanderi John Palmer 1980-8-15 1005 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  CHSC57454  Galium boreale subsp. septentrionale L. P. Janeway 1984-6-21 861 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. 594 Comment
  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  UCD121773  Galium grayanum Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain. 2133 Comment
  JEPS83623  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 942 Siskiyou Grouse Creek Mine Klamath National Forest, Scott River District, China Mtn. Qu (one half mi w of junction of FS Rds 40N03 and 40N40) 1127 Comment
  UCSB17420  Galium serpenticum subsp. scotticum Hardham, Clare 1961-7-3 Siskiyou treeline, Scott River, southwest of Calahan Comment
  UC164468  Galium triflorum Geo. D. Butler 1002 Siskiyou near Yreka; Humbug Gulch Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  LA40344  Garrya fremontii Louis C. Wheeler; 1934-6-22 2764 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  UC1174946  Garrya fremontii P. C. Everett and E. K. Balls 1959-10-24 23947 Siskiyou on road from Sawyers Bar to Somesbar (Forks of Salmon River); Salmon River 381 Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA467221  Gaultheria humifusa L. C. Wheeler 1934-8-16 3164 Siskiyou Johnson Dairy, Siskiyou Mts. 1646 Comment
  CAS-BOT-BC56290  Gaultheria ovatifolia Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC94901  Gayophytum diffusum subsp. parviflorum R. C. Wenk 2005-7-15 200 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1645 Comment
  POM355398  Gayophytum diffusum subsp. parviflorum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  UC1584292  Gayophytum heterozygum J. Kierstead 1990-8-23 90 -143 Siskiyou Cold Creek Mt. Shasta, McCloud R.D. (e slope of mt.) 1584 Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CHSC62556  Gentianella amarella subsp. acuta L. P. Janeway 1993-8-30 4568 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC94968  Gentianopsis simplex R. C. Wenk 2008-8-31 990 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow 1981 Comment
  CAS-BOT-BC143591  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest foot hills 1524 Comment
  CAS-BOT-BC143593  Geum triflorum C. L. Hitchcock; J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile southeast of King's Castle; Marble Mts. 1828 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC60878  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1665 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CDA40027  Gilia sinuata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2777 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC89802  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UCD85108  Glyceria elata AHM 1955-7-29 55 T Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC302674  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC1409288  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou se side Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1950 Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA240048  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  UC87889  Grindelia hirsutula T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  RSA235840  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2064 Siskiyou 3.7 miles northeast of Mt. Shasta City on U.S. Forest Road 40N25. Comment
  JEPS84332  Hackelia micrantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6348 Siskiyou 7 mi nne of Seiad Valle (sw of Cook and Green Pass, 1/2 mi se of Red Butte, slope e of road) 1730 Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range Comment
  CHSC31061  Hackelia mundula M. S. Taylor 1980-7-8 3108 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  CHSC4164  Hastingsia alba R. Carter 1966-5-15 408 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. 1310 Comment
  HSC58940  Hastingsia alba Marvin Butler 1971-7-8 21 Siskiyou Near Bell Echo Camp 1433 Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC504596  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Scott Bar Quad., Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  JEPS112688  Hazardia whitneyi var. discoidea Dean W. Taylor 1999-8-12 17352 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  CAS-BOT-BC306740  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  UC1282032  Helenium bigelovii Louise Kellogg Aug 8 1953-Aug 9 1953 122 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UCD132697  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  HSC5783  Helianthus annuus R. C. Wunner 1965-7-21 409 Siskiyou California Lava Beds National Monument; Near Canby Cross on both sides of the road 1220 Comment
  CDA6539  Helianthus bolanderi T. C. Fuller 1958-9-12 Siskiyou 4 miles north of Weed. 0 Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  UC133579  Heliotropium curassavicum A. A. Heller 1905-6-19 8064 Siskiyou Grenada Comment
  UC165250  Hemizonella minima Geo. D. Butler 1909-6-13 801 Siskiyou Moffitt Creek Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  UC1212419  Hesperolinon micranthum Herbert L. Mason 1937-5-15 Siskiyou 1 mi s Boulder Creek (between Lemoine and Dunsmuir) Comment
  RSA435709  Hesperolinon micranthum Louis C. Wheeler 1934-6-2 2614 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  SEINET5641915  Heterotheca oregona var. rudis John C. Semple, S. Heard 1986-8-16 8481 Siskiyou Forest Hwy 93, 19.6 km E of Salmon Forks, W of Sawyer's Bar, by Forest Service Rd. 40N42.; 0 Comment
  HSC58972  Heuchera cylindrica Gilbert Muth 1975-7-31 4461 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  HSC22093  Heuchera merriamii J. O. Sawyer 1969-8-2 1707 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  UC1736422  Heuchera merriamii Dean W. Taylor 1999-8-12 17316 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC420736  Heuchera merriamii Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mts. Comment
  HSC61971  Heuchera merriamii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  SEINET10530975  Heyderia decurrens A. Arthur Heller 1915-8-26 Heller 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. The principle tree is now Pseudotsuga with white fir. The original stand was Jeffrey pine. Common undershrubs are manzanita, Ceanothus and Pasania.3900 feet. 1190 Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  HSC58886  Hieracium albiflorum Marvin Butler 1971-8-2 253 Siskiyou Near El Capitan 2013 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  HSC39754  Hieracium bolanderi J. O. Sawyer 1969-8-1 1625 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CHSC70715  Hieracium scouleri A. Sanger 1996-7-16 2426 Siskiyou 200 yds N of road to Burnt Lava Flow, on Rd 56. On E side of road. 1804 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  RSA105338  Holodiscus discolor G. D. Barbe 1955-8-4 357 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  UC1025006  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-15 3469 Siskiyou 2 mi SE of Medicine Lake (Bullseye Lake) Comment
  POM352503  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1934-6-22 2749 Siskiyou Cottonwood Creek; Siskiyou Mountains; Mt. Diablo Mer. 915 Comment
  UCD85929  Hordeum murinum subsp. glaucum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3387 Siskiyou At Weed. Comment
  CDA2203  Hordeum murinum subsp. leporinum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2781 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UC116852  Horkelia daucifolia K. Brandegee July 1887 Siskiyou near Klamath River (Ager) Comment
  POM88250  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley Divide Comment
  UC618833  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-15 11229 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  POM208191  Horkelia tridentata Louis C. Wheeler 1934-6-29 s.n. Siskiyou Beaver Creek 1341 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  CAS-BOT-BC538242  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
  CAS-BOT-BC539436  Horkelia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1797 Siskiyou Weed Comment
  HSC61502  Hosackia crassifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC201132  Hosackia crassifolia Doris K. Kildale 1929-7-20 8720 Siskiyou Raspberry Lake, near head South Fork Indian Creek 1828 Comment
  UC642525  Hulsea nana W. Bridge Cooke 1939-7-26 13768 Siskiyou along summit trail below Lake Helen Comment
  UC705694  Hulsea nana Marion Ownbey and Fred G. Meyer 1940-7-4 2192 Siskiyou on ridge above the head of Brewer Creek; Mt. Shasta Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  UC856770  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River Klamath River; Klamathon, Klamath River 701 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  POM213070  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  HSC61922  Ipomopsis aggregata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC77055  Ipomopsis aggregata K. T. Stillman 1976-8-7 186 Siskiyou Marble Mtn. Wilderness Area., upper slopes of Marble Mtn. 1951 Comment
  JEPS799  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1940-6-27 20050 Siskiyou e slope Mt. Shasta 1676 Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  UC1148969  Isoetes bolanderi Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e Marble Mt (Frying Pan Lake); Marble Mts 1783 Comment
  UC400941  Isoetes bolanderi Geo. D. Butler 1908-8-8 254 Siskiyou near head W. Fork Wooly Creek Comment
  CAS-BOT-BC57680  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Seven Lakes Basin quad, above and south of Terrace Lake; headwaters of South Fork Sacramento River 1941 Comment
  OBI80241  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  CHSC88379  Juncus balticus Jenny Marr 1993-7-1 184 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  HSC30719  Juncus confusus Frederick W. Oettinger 1968-9-10 812 Siskiyou Vicinity of English peak Marble Mtns., just SW above Horse Range Lake 1845 Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  HSC76745  Juncus drummondii K. T. Stillman 1976-7-15 262 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC77132  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  CHSC86682  Juncus ensifolius Jenny Marr 1993-7-1 62 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC775  Juncus ensifolius William J. Ferlatte 1967-8-17 950 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS94065  Juncus ensifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi. s.e. of Gazelle-Callahan Rd. at its intersection w/ USFS 41N10 1554 Comment
  HSC39871  Juncus exiguus J. O. Sawyer 1969-7-10 1213 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  RSA238908  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou At sundew bog on SE-facing gradual slope due west of the English Lake main campsite. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD141629  Juncus nevadensis J. M. Tucker 1950-7-23 1943 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  LA20061  Juncus nevadensis var. nevadensis Wm. Bridge Cooke; 1940-8-22 15471 Siskiyou Mt. Shasta, near springs in Mud Creek Canyon 1981 Comment
  HSC92704  Juncus parryi Jennifer Whipple 1977-7-20 1988 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC81133  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  CAS-BOT-BC81224  Juniperus occidentalis Alice Eastwood 1912-7-20 1264 Siskiyou Hornbrook Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  CHSC27340  Juniperus occidentalis T. B. Devine 1977-10-23 371 Siskiyou About 300 yds w of jct of Hwy 3 and unimproved lagging road leading w to area of Little and Big Duck Lakes. 944 Comment
  UC401376  Juniperus occidentalis Geo. D. Butler 1909-3-6 580 Siskiyou dry hill near Yreka Comment
  POM252951  Juniperus occidentalis var. occidentalis A. A. Heller 1938-7-12 15262 Siskiyou 2 miles north of Bray Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  POM297986  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou At Dunsmuir. 640 Comment
  RSA293293  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 8.2 miles east of Happy Camp. 400 Comment
  RSA82883  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Beside Hwy 89. 7.5 miles E of McCloud. Comment
  UC1409491  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. On SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  CAS-BOT-BC340371  Kyhosia bolanderi Wm. Bridge Cooke 1940-7-5 15258 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  HSC76773  Kyhosia bolanderi K. T. Stillman 1976-8-7 371 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  OBI55443  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
  CHSC71565  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9408 Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  UCR52609  Lathyrus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UC372675  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  RSA68869  Lathyrus nevadensis subsp. lanceolatus A. E. Culbertson 1943-7-1 87 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
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCR101153  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon & Marble Mtns. region, Crawford Creek, c. 0.5 mi. upstream from Guard Station Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  HSC27473  Lepidium campestre J. P. Smith, J. O. Sawyer 1972-5-28 5362 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  HSC101759  Leptochloa fusca subsp. fascicularis J. P. Smith, J. O. Sawyer 2011-9-4 13414 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  HSC70459  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1976-9-5 8978 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  UC165403  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  SEINET3887016 Image available Leucocrinum montanum D. E. Bright 1961-6-15 194 Siskiyou 5 miles west of Bray, California.; 0 Comment
  RSA12625  Lewisia cotyledon Anonymous 1934-7-5 5960 Siskiyou 3.6 mile from Dry Lake lookout on raod to Horse Creek, Siskiyou Mts. 1982 Comment
  RSA464463  Lewisia cotyledon L. C. Wheeler 1934-8-2 3034 Siskiyou Head of Rocky Gulch of Jaynes Canyon. Mt. Diablo Mer. 2134 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC444049  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  HSC69552  Lewisia leeana Maralyn A. Renner 1980-6-26 1294 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 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
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  CAS-BOT-BC444077  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake 1767 Comment
  CAS-BOT-BC444087  Lewisia leeana Philip A. Munz 1952-7-2 17915 Siskiyou On rd. to Baldy Mt., 6 mi. w. (by air) of Happy Camp, Siskiyou Mts. 1432 Comment
  HSC4448  Lewisia nevadensis William J. Ferlatte 1967-6-30 584 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC272170  Leymus triticoides L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  UC204764  Leymus triticoides Geo. D. Butler 1901-6-25 1603 Siskiyou Yreka Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  SEINET10531252  Libocedrus decurrens Edwin B. Copel 1903-8-13 Copeland 3913 Siskiyou Sisson. On Big Spring Creek. 3500 feet. 1050 Comment
  SEINET10932794  Libocedrus decurrens William B. Cooke 1941-1 Cooke 16318 Siskiyou Junction of Wagon Camp and Memorial Highways. Scattered trees ocur throughout the Transition Zone on Mt. Shasta. 6000 feet. 1830 Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC60155  Lilium kelleyanum D. L. Goforth 1979-7-7 226 Siskiyou Klamath National Forest, Condrey Mtn. Comment
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC509363  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-BC509378  Lilium kelleyanum John Thomas Howell 1939-8-7 15114 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SEINET8480715  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133101  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-BC133103  Lilium washingtonianum subsp. washingtonianum A. A. Heller 1920-7-10 13440 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS58267  Linanthus bolanderi Geo. D. Butler 1909-4-26 621 Siskiyou Oro Fino Comment
  UC609327  Linanthus nuttallii subsp. nuttallii Eleanor Burks Hart 1938-8-20 943 Siskiyou below Red Cap 2316 Comment
  CDA6302  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  UC921111  Linnaea borealis var. longiflora Frank Bascom July, 1945 Siskiyou Hedge Creek about two mi easterly from Shasta Springs; Dunsmuir Quad., Hedge Creek e from Shasta Springs 914 Comment
  RSA183706  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 Comment
  JEPS47678  Lithophragma campanulatum W. L. Jepson 1907-7-5 2825 Siskiyou Marble Mt. 2133 Comment
  RSA238326  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  JEPS94263  Lithospermum ruderale Vernon H. Oswald and Lowell Ahart 1998-6-11 9176 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
  UC196916  Lolium multiflorum Geo. D. Butler 1909-6-7 827 Siskiyou along creek near Yreka Comment
  CHSC91354  Lolium perenne Lowell Ahart; John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast 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
  UC165429  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  RSA592535  Lomatium californicum S. O. Mattoon, Ken Hansen 1978-6-16 4 Siskiyou Humbug Creek, 3 miles S of Klamath River, north slopes of Scott Bar Mountains 640 Comment
  SD88295  Lomatium dasycarpum Darley F. Howe 1972-7-8 Siskiyou Nine and one half miles north of Weed on Highway 97. Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS17115  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou Yreka Comment
  RSA452143  Lomatium macrocarpum M. B. Dunkle 1945-1 9341 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SDSU2237  Lomatium macrocarpum D. F. Howe 1972-7-4 4867 Siskiyou Sanger Peak road just south of Del Norte. Marker, Stoney hillside near Youngs Valley. 1737 Comment
  CHSC88783  Lomatium nudicaule Jenny Marr 1993-7-1 192 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  SEINET8756631  Lomatium nudicaule D. Butler 1910-5-18 1359 Siskiyou Near Yreka Comment
  JEPS109788  Lomatium tracyi Dean W. Taylor 2002-7-27 18282 b Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  SEINET7096758  Lomatium utriculatum A. G. Vestal 1955-5-17 s.n. Siskiyou 6.5 miles southwest of Yreka on Route 3. NAD27, 41? deg. 40' 21ao, -122?_ 42' 53ao (converted to WGS84 decimal degrees) UTM Zone 10, 523738mE, 4613250mN. Comment
  CDA42196  Lonicera ciliosa D. H. Shaw 1977-5-26 s.n. Siskiyou Walker Creek, near Seiad. 0 Comment
  HSC4904  Lonicera conjugialis J. O. Sawyer 1968-6-25 291 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC61907  Lonicera conjugialis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1408786  Lonicera conjugialis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1275 Siskiyou se side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  JEPS27163  Lotus crassifolius var. crassifolius Lauramay T. Dempster 1961-7-1 1834 Siskiyou near White Mountain Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  JEPS107959  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 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
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  CDA27289  Lotus oblongifolius var. oblongifolius T. C. Fuller 1960-7-25 4867 Siskiyou North limits Mt. Shasta City. 0 Comment
  UC1025034  Lotus purshianus var. purshianus Leo Whitney 1934-6-23 1542 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC726318  Lotus purshianus var. purshianus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  SEINET10832926  Lupinus albicaulis subsp. shastensis Katherine L. Morris 1973-5-25 Morris 272 A Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  UC454635  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; Mt. Shasta, Horse Camp 2438 Comment
  RSA123589  Lupinus albicaulis var. shastensis G. D. Barbe 1955-7-5 110 Siskiyou 4.7 miles west of Greenview in Quartz Valley. 915 Comment
  CAS-BOT-BC195955  Lupinus albifrons var. albifrons C. F. Rose 1931-5-18 s.n. Siskiyou Near Redding Comment
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  SJSU6501  Lupinus argenteus R. W. Trivelpiece 1972-6-18 128 Siskiyou 3 mi W of Klamath R c. 11 mi SW of Happy Camp 853 Comment
  CAS-BOT-BC196693  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  RSA300987  Lupinus croceus M. L. Conrad, LeDoux, Kenney 1973-6-2 6981 Siskiyou 6 miles southwest of Callahan. 1524 Comment
  RSA414461  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  UC1094387  Lupinus croceus Rimo C. Bacigalupi with Galen Smith 1957-6-26 5963 Siskiyou South Fork of the Sacramento River w of the town Mount Shasta (along road to Gumboot Lake); South fork Sacramento River, rd to Gumboot Lake 1767 Comment
  UCD19435  Lupinus croceus Charlotte K. Glenn 1967-1 158 Siskiyou Castle Lake. 1584 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  SEINET10485427  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47273 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  SEINET10485457 Image available Lupinus latifolius var. viridifolius A. Arthur Heller 1905-6-1 Heller 7928 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  SBBG10899  Lupinus lepidus var. sellulus H. and M. Dearing 1938-6-28 2180 Siskiyou McCloud Comment
  UC157027  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou upper end Quartz Valley; upper end of Quartz Valley Comment
  UCD108597  Lupinus lepidus var. sellulus J. M. Tucker 1950-7-24 1961 Siskiyou outskirts of Dorris. Comment
  HSC2251  Lupinus leucophyllus Geo. D. Butler 1910-4-19 1201 Siskiyou Yreka Comment
  UC157002  Lupinus leucophyllus Geo. D. Butler 1908-7-16 365 Siskiyou Klamath River Comment
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  UCD108619  Lupinus microcarpus Robert E. Preston 1995-6-18 874 Siskiyou ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC42961  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-30 2759 Siskiyou Along Specimen Creek. 915 Comment
  UC2977  Luzula comosa Harley P. Chandler June, 1901 1567 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC436708  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  UCD141913  Luzula glabrata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UC195407  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  UC223696  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou mouth of Doggett Creek; Klamath River Comment
  CAS-BOT-BC344017  Madia elegans W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson - near Fish Pond Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  HSC77238  Madia gracilis L. P. Janeway 1983-7-12 412 Siskiyou Along dirt roadside: Rd. 19N07 ca. 4 mi. N of Indian Cr. Rd. 1006 Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD78003  Maianthemum stellatum Robert E. Preston 2001-6-30 1664 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC2257  Malacothrix sonchoides Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Gren 774 Comment
  CHSC71583  Medicago lupulina Vernon H. Oswald; Lowell Ahart 1998-8-3 9416 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  CAS-BOT-BC271151  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  CAS-BOT-BC271153  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  UC1265396  Melica aristata F. W. Oettinger 1969-9-4 1662 Siskiyou n side Tom Lake Basin; Salmon Mts. Comment
  CAS-BOT-BC271105  Melica bulbosa L. R. Short 1933-6-6 75326 Siskiyou Lime Gulch 1219 Comment
  UC722541  Melica bulbosa C. L. Hitchcock and J. S. Martin 1939-7-9 5311 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UC197189  Melica subulata Geo. D. Butler 1910-7-12 1751 Siskiyou Shackleford Creek 1219 Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 Comment
  CAS-BOT-BC428549  Micranthes aprica Alice Eastwood 1921-7-28 10909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC429261  Micranthes oregana Alice Eastwood 1923-5-22 11890 Siskiyou Sissons [Sisson] Comment
  UCD102913  Micranthes oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  HSC68499  Microseris nutans Maralyn A. Renner 1980-6-22 901 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC455851  Microseris nutans I. J. Condit 1911-7-5 Siskiyou Shasta Retreat Mt. Bradley 1524 Comment
  UC618641  Microseris nutans W. Bridge Cooke 1938-7-15 11226 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  JEPS25060  Mimulus alsinoides Joseph P. Tracy 1939-4-29 16272 Siskiyou Somes Bar 182 Comment
  UC164362  Mimulus alsinoides Geo. D. Butler 1910-3-13 1129 Siskiyou Klamath River Comment
  UC726472  Mimulus arvensis A. A. Heller 1919-6-20 13526 Siskiyou Metcalf's Comment
  UCR61242  Mimulus breweri Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  HSC29422  Mimulus lewisii Frederick W. Oettinger 1969-8-21 1477 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  SEINET10756233  Mimulus primuloides subsp. linearifolius Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 881 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
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  CHSC57425  Minuartia douglasii L. P. Janeway 1984-6-22 868 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  POM101321  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou Yreka. Comment
  CAS-BOT-BC174732  Minuartia nuttallii Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  CAS-BOT-BC7297  Minuartia stolonifera T. W. Nelson; James L. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 miles N of Scott Mountain Pass Comment
  HSC92012  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-6-15 4851 Siskiyou Along SR 3 3.1 mi. N of Scott Mtn. Pass 1250 Comment
  HSC86449  Mitella diversifolia D. K. Imper 1987-6-5 Siskiyou Marble Mtn. Wilderness Area, 8 mi. E of Somes Bar 1372 Comment
  HSC86538  Mitella pentandra D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta, Squaw Valley, E of Red Butte along Squaw Creek 1982 Comment
  RSA238325  Mitella pentandra Frederick W. Oettinger 1969-7-10 954 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC97824  Monardella odoratissima Juha Pykala, D. H. Norris 1987-7-7 2385 Siskiyou Camp Two Rd., 3 mi. from the jct. of Rd. 15 and Rd. 49 to Medicine Lake 1402 Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  UC1124592  Monardella odoratissima subsp. glauca H. A. Jensen 1933-9-1 345 Siskiyou Wagon Camp Shasta National Forest, Dunsmuir Quadrangle Comment
  UC164002  Monardella odoratissima subsp. glauca Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mountain 1219 Comment
  UC2035802  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base Caldwell Butte; Lava Beds National Monument Comment
  UC2037103  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte; Lava Beds National Monument 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
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  JEPS63423  Monardella odoratissima subsp. pallida W. L. Jepson 1937-7-30 18538 Siskiyou Summit Siskiyou Mts., near Poker Flat. 1554 Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC222168  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  RSA215625  Monardella odoratissima subsp. pallida Gilbert Muth 1969-8-6 1196 Siskiyou Boulder Park. 2530 Comment
  SEINET10499763  Monardella sheltonii Mary Merello 1993-6-22 Merello 696 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  UCD117676  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou ca. 1/4 mile north of Jawbone Camp, Marble Mountain Wilderness area. 1554 Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM101974  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Dampland Orr. Comment
  RSA256710  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CHSC114089  Muhlenbergia andina Kendra Sikes 2011-9-13 CLS_ 1 D Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537187E, 4580685N. 2028 Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  CAS-BOT-BC262676  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  RSA603014  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC275170  Muhlenbergia richardsonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10497 Siskiyou Grass Lake Station, on US Highway 97 1554 Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  UC9332  Myosurus minimus Mrs. R. M. Austin June, 1894 Siskiyou Pot Hole Springs Comment
  CHSC106264  Myriophyllum sibiricum Lowell Ahart; John Dittes 2010-7-30 16941 Siskiyou About 30 yards northwest of the East Louie Road Bridge, along the west edge of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC1540139  Nama densa Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9251 Siskiyou Caldwell Butte Lava Beds National Monument, Caldwell Butte (on crater floor at northern interior, Lava Beds National Monument) 1499 Comment
  CAS-BOT-BC516027  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy Comment
  JEPS84255  Navarretia capillaris L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6368 Siskiyou ca 1/2 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass, e of Red Butt 1900 Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  JEPS70297  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou Woolly Creek (at head of, near lake) Woolly Creek 1676 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  UC879887  Navarretia linearifolia subsp. linearifolia Alice Eastwood 1912-8-30 2051 Siskiyou Mount Eddy Comment
  JEPS120221  Navarretia sinistra subsp. sinistra Julie Kierstead Nelson 2011-8-23 2011 -43 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  CAS-BOT-BC219531  Nemophila parviflora John Thomas Howell 1937-7-22 13267 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC219533  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC164107  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou around Yreka; around Yreka Comment
  HSC99332  Nepeta cataria C. B. Wolf 1927-8-26 1046 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC21266  Nicotiana attenuata R. C. Wunner 1965-8-17 438 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  RSA60666  Noccaea I. L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UCD102186  Noccaea fendleri subsp. californica Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Mountain House. Klamatah National Forest. Scott Mountains. Rail Creek Road. Kangaroo Lake. Kangaroo Lake Botanical Area. 1850 Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  HSC81568  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6075 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC19129  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1167 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA408399  Nothochelone nemorosa M. B. Dunkle 1945-8-7 9334 Siskiyou King's Castle. Klamath Nat'l Forest. Marble Mtns. Comment
  UC224019  Oenothera elata subsp. hirsutissima Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2520 Siskiyou Mt. Shasta and vicinity Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  UC73298  Oenothera flava subsp. flava Milo S. Baker 1898-8-1 485 Siskiyou Medicine Lake Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  RSA790724  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 miles west of Yreka Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  JEPS24818  Oreostemma alpigenum var. andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6834 Siskiyou just below and n of Scott Mtn. Road summit; Scott Mtn. 1615 Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  UC1177881  Orobanche fasciculata Francia Chisaki and Gene B. Newcomb 1958-6-22 1154 Siskiyou On Highway #99, at base of Black Butter, (south of Weed). Comment
  RSA0066431  Orobanche fasciculata E. K. Balls 1949-7-8 13916 Siskiyou Trail from Scot Mountain Camp to Carmen Lake. 1752 Comment
  HSC19204  Orthilia secunda J. O. Sawyer 1968-7-22 561 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC269  Orthilia secunda William J. Ferlatte 1967-8-21 1072 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC44587  Orthilia secunda Laura Witherspoon 1977-7-8 Siskiyou Periphery of Flint Valley 1341 Comment
  CAS-BOT-BC458074  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Mts.: Marble VAlley 1828 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  RSA0083189  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou N. of English Peak on route down to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC67609  Orthocarpus cuspidatus subsp. copelandii James D. Jokerst 1992-7-30 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald]. Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  HSC630  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-7-7 219 Siskiyou Big Flat, near public camp 1524 Comment
  RSA120314  Orthocarpus cuspidatus subsp. copelandii S. S. Tillett 1956-7-9 671 Siskiyou Along ridge running n from nw side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos line, ca. 8 mi se of Callahan. 1951 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  UC922403  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1949-7-21 5831 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  SJSU2592  Ozomelis trifida H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr 1143 Comment
  JEPS82265  Packera cana Roger Raiche 1983-8-13 30594 Siskiyou near summit Mt. Eddy 2743 Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  RSA144605  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mile north of Gazelle on Highway 99 Comment
  RSA68923  Parnassia californica A. E. Culbertson 1943-9-3 34 Siskiyou Castle Lake. 14 Miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  HSC76869  Parnassia fimbriata K. T. Stillman 1976-9-9 474 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  HSC29458  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Marble Mountain Wilderness Area, Abbots Lake. 1723 Comment
  CAS-BOT-BC202846  Paxistima myrsinites Dorothy Parker 1950-6-4 446 Siskiyou Salmon Mt. 1920 Comment
  CAS-BOT-BC202866  Paxistima myrsinites Geo. B. Grant 1902-9-9 s.n. Siskiyou Sisson Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS9617  Paxistima myrsinites W. L. Jepson 1914-8-14 6158 Siskiyou Dunsmuir 1097 Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  UC1408910  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou pond above Horse Range Lake (due w. of Horse's Hole); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1981 Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  UCD107435  Paxistima myrsinites Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 608 Siskiyou Indian Creek Road, 0.9 mile north of junction with Poker Flat Road. Comment
  RSA430092  Paxistima myrsinites M. B. Dunkle 1944-6-25 9002 Siskiyou Siskiyou Mts. Beaver Creek. 1677 Comment
  JEPS80561  Pedicularis contorta Gilbert Muth 1965-8-6 180 Siskiyou backside of Black Mountain; , Marble Mountain Wilderness Area 2072 Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  HSC60797  Pedicularis racemosa Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  POM15938  Pedicularis racemosa E. B. Copeland 1903-8-17 3904 Siskiyou Mt Eddy. 1463 Comment
  HSC67793  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-20 3746 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC67680  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  UCR37818  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  POM42969  Penstemon anguineus Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake, Shackleford Creek. 1372 Comment
  UC1222496  Penstemon anguineus Joseph P. Tracy 1951-6-16 19474 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road near State Line (Oregon to Calif.)); Siskiyous aummit Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  HSC69369  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3790 Siskiyou E side of Grouse Hill 2134 Comment
  JEPS22930  Penstemon deustus Volney Rattan June 1879 Siskiyou below Orleans; Klamath, below Orleans Comment
  UCD77906  Penstemon deustus var. pedicellatus Robert E. Preston 2002-6-20 1827 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  UC1190243  Penstemon deustus var. suffrutescens Ira L. Wiggins 1955-7-29 13583 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); summit of ridge above Thompson Creek 1999 Comment
  HSC69372  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-19 3675 Siskiyou Near FS Rd. 45N05 2018 Comment
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC1483505  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3830 Siskiyou near intersection with road to Lava Camp n F.S. Road 44N01; Klamath National Forest, Medicine Lake Quad. 1676 Comment
  UC313694  Penstemon gracilentus David D. Keck 1927-8-17 307 Siskiyou Horse Camp , Horse Camp (s side of Mt. Shasta) 2468 Comment
  JEPS109828  Penstemon heterodoxus var. shastensis Dean W. Taylor 2005-7-14 19403 Siskiyou Wagon Camp, along Forest Road 40N25, Panther Creek Drainage, Mount Shasta 1685 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  NY603845  Penstemon humilis var. humilis N. H. Holmgren 1966-6-9 2680 Siskiyou U.S. 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
Read comments Aug 13 2007
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  RSA715498  Penstemon laetus var. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  UC1520677  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 mi) ne Weed; ne of Weed 1097 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  HSC19161  Penstemon newberryi subsp. berryi J. O. Sawyer 1969-6-13 947 Siskiyou Slope above Little Duck Lake 2134 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  LA209543  Penstemon newberryi var. newberryi Wm. Bridge Cooke; 1938-6-17 11010 Siskiyou Mount Shasta, along the Sisson Southern Trail 1584 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  SFV17486  Penstemon parvulus P. Wilson 1998-7-23 3544 dup. Siskiyou Marble Mountain Wilderness. At junction of Bear Lake Trail and Pacific Crest Trail. 2000 Comment
  UC1408760  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou w side of Red Hill near Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, w side Red Hill nr Hancock Lake 2057 Comment
  HSC19131  Penstemon parvulus J. O. Sawyer 1969-7-2 1036 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  NY130475  Penstemon piliferus A. A. Heller 1905-6-8 7991 Siskiyou Comment
  UC1408761  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou w end Hancock Lake Salmon Mts., Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, Salmon Mountains, western Siskiyou County) 1935 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  HSC61153  Penstemon procerus var. brachyanthus Al Hobart Siskiyou El Capitan Comment
  HSC91097  Penstemon procerus var. formosus Jennifer Whipple 1976-6-30 1208 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  RSA401848  Penstemon procerus var. formosus M. B. Dunkle 1945-7-19 9221 Siskiyou Marble Valley Summit; rocky ridge. Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA401861  Penstemon rydbergii var. oreocharis E. Yale Dawson 1948-7-16 5099 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  SD46702  Penstemon rydbergii var. oreocharis E. K. Balls, L. W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi. se. of Bartle (jct. with rd. to Lava Beds) State Hwy. 89, McCloud to Burney 1219 Comment
  RSA463106  Penstemon shastensis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CHSC86678  Penstemon speciosus Jenny Marr 1993-7-1 61 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  SEINET12267134  Penstemon speciosus H. M. Hall, Babcock, E. B. 4071 Siskiyou Mount Shasta, above Sisson 1067 Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  HSC49955  Perideridia leptocarpa G. L. Clifton, Ground 1978-6-27 1458 Siskiyou Near Wildcat Creek 1098 Comment
  UC1390010  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5880 Siskiyou Cecilville Comment
  RSA0000738  Perideridia leptocarpa Lincoln Constance, T. Chuang, F. M. Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi. NW of Cecilville on west-facing slope above Trinity R. 762 Comment
  SEINET10693779 Image available Perideridia leptocarpa Lincoln Constance, Fei, Mei Chuang; Mario Sousa S. 1966-6-15 Constance 3768 Siskiyou West-facing slope above Trinity River 5 miles north-west of Cecilville. 762 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  UC1390011  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-7 5882 Siskiyou 2.7 mi n Callahan (on road to Etna) Comment
  UC1389997  Perideridia oregana T. I. Chuang and R. S. Mitchell 1965-6-27 5996 Siskiyou on Hwy 97 6 mi s Macdoel Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  JEPS2782 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  HSC92793  Phacelia corymbosa Jennifer Whipple 1978-7-20 2355 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  RSA249718  Phacelia dalesiana Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
Read comments Jul 5 2017
  UC164111  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou near Yreka Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  RSA60785  Phacelia greenei Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  CHSC63608  Phacelia hastata subsp. hastata Vernon H. Oswald; Lowell Ahart 1994-8-10 6449 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy.89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  UC718170  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UC1181205  Phacelia leonis Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-10 7296 Siskiyou just e Del Norte County line (about 4 mi nne of Preston); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  HSC69293  Phacelia procera Maralyn A. Renner 1980-7-24 2000 Siskiyou Lily Pad Lake 1768 Comment
  HSC69570  Phacelia procera Maralyn A. Renner 1980-8-6 2267 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 Comment
  UC923132  Phacelia procera Freed W. Hoffman 1950-7-13 3338 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  RSA782328  Philadelphus californicus R. W. Spjut, Paul Burchstead 2008-6-12 16343 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC77421  Philadelphus lewisii Doris K. Kildale 1928-8-20 6636 Siskiyou North Fork Salmon River near Seiad at Finley Upper Camp Comment
  CAS-BOT-BC77435  Philadelphus lewisii Lewis S. Rose 1945-6-18 45078 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  UC642574  Phleum alpinum W. Bridge Cooke 1939-7-26 13750 Siskiyou above Panther Creek Meadows Mount Shasta; , above Panther Creek Meadows Comment
  CAS-BOT-BC250947  Phleum pratense T. H. Gilbert 1899-6-15 57 Siskiyou Scott River Valley Comment
  RSA105397  Phleum pratense G. D. Barbe 1955-7-5 109 Siskiyou At Greenview city limit on Highway to Fort Jones; Klamath Mountains 884 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  HSC81581  Phlox diffusa subsp. diffusa Thomas W. Nelson, Jane P. Nelson 1980-7-17 6085 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  POM65021  Phlox diffusa subsp. subcarinata Geo D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1677 Comment
  CAS-BOT-BC232827  Phlox hirsuta L. B. Kildale 1930-6-1 9830 Siskiyou Mill Creek, near Etna Mills Comment
  HSC82561  Phlox speciosa subsp. nitida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4718 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC205784  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka hills Yreka Comment
  UC880539  Phlox speciosa subsp. occidentalis A. A. Heller 1915-7-16 12092 Siskiyou n side Mt. Eddy 1524 Comment
  HSC15910  Phoradendron bolleanum R. C. Wunner 1965-6-18 213 Siskiyou Near Indian Well Camp, Lava Beds National Monument 1433 Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  HSC4823  Phyllodoce empetriformis J. O. Sawyer 1968-7-9 425 Siskiyou W of Little Duck Lake. 1936 Comment
  UC21966  Phyllodoce empetriformis W. H. Brewer 1862-9-13 1376 Siskiyou Mount Shasta, near Camp 99 Mount Shasta 2438 Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC140601  Physocarpus capitatus Doris K. Kildale 1939-8-24 9054 Siskiyou Youngs Valley, trail to Preston Peak 1371 Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  HSC38584  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  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
  SEINET3871154  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian.; 0 1433 Comment
  JEPS80563  Pinus albicaulis Gilbert Muth 1965-8-6 177 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
Read comments Nov 1 2018
  CAS-BOT-BC78322  Pinus attenuata M. P. Anderson 1902-2-16 s.n. Siskiyou Seiad Valley, Post Office, forks of Seiad Creek Comment
  UC1713793  Pinus attenuata W. A. Setchell, C. C. Dobie July 1902 Siskiyou Shasta; se slopes Comment
  NY579172  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  HSC67826  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3763 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  RSA237336  Pinus jeffreyi Frederick W. Oettinger 1968-9-8 775 Siskiyou 0.1 mile north of English Lake. Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA759238  Pinus jeffreyi Doug Goldman, Frank Callahan 2005-7-20 3553 Siskiyou Along Forest Service Road 42N17C, about 0.3 miles southeast of Forest Road 17, about 8.9 miles southwest along FR 17 from the intersection with Stewart Springs Road., Probably less than 50 feet north of the Trinity County line. Mount Eddy, Trinity Mountains, Shasta-Trinity National Forest. 2116 Comment
  HSC1513  Pinus lambertiana R. C. Wunner 1965-9-12 514 Siskiyou Lava Beds National Monument, N side of Caldwell Minor 1448 Comment
  HSC1516  Pinus lambertiana R. C. Wunner 1965-8-21 463 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1409272  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou near high ridge nw Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC915724  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou Miamber Trail Comment
  MACF017414  Pinus ponderosa Trudy R. Ericson 1974-8-8 Siskiyou St. Hwy 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  RSA68909  Piperia unalascensis A. E. Culbertson 1943-7-17 49 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  RSA184715  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  RSA237557  Plantago lanceolata Frederick W. Oettinger 1968-9-6 737 Siskiyou Along English Peak - Hancock Lake trail on SE-facing gradual slope of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC61845  Platanthera dilatata var. leucostachys Ruby Van Deventer 1938-7-9 Siskiyou Poker Flat 1585 Comment
  RSA183651  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Marble Mountains, Marble Valley Comment
Read comments Sep 6 2009
  HSC34011  Plectritis macrocera J. P. Smith 1974-5-25 7507 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC68344  Plectritis macrocera J. P. Smith 1973-5-5 6425 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  HSC45201  Pleuricospora fimbriolata J. O. Sawyer, E. Cope 1977-6-21 2978 Siskiyou Near Prescott Peak 1677 Comment
  CAS-BOT-BC458194  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC458195  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  HSC30473  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou Hill above Smith Lake , Salmon Mtns. 1418 Comment
  HSC44640  Pleuricospora fimbriolata Virginia Rumble 1978-7-3 Siskiyou Along N side of Kelly Lake. Bulk Collection 134 1067 Comment
  CAS-BOT-BC261048  Poa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy 96, between Ridge and Humbug Roads 1371 Comment
  CAS-BOT-BC254617  Poa X limosa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  SEINET8221444  Poa bolanderi Harley P. Chandler 1901-1 1703 Siskiyou Shackleford Canon; near Marble Mountain. 1829 Comment
  CAS-BOT-BC254991  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC255002  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53429 Siskiyou E side of Scott Valley, 10 miles S of Fort Jones on road to Callahan 853 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  UCD90663  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Eureka. 800 Comment
  CHSC61584  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of a meadow. 1524 Comment
  SEINET7745170  Poa compressa E. Palmer 1892-1 2656 Siskiyou Near Mt. Shasta. Comment
  UCD90924  Poa cusickii subsp. epilis Rimo Bacigalupi 1959-7-1 7197 Siskiyou above Mt. Shasta Ski Bowl Lodge; southwestern slopes of Mt. Shasta. 2834 Comment
  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
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CDA374  Poa pratensis G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2586 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  HSC76909  Poa pratensis K. T. Stillman 1976-6-26 121 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC256009  Poa pratensis Doris K. Kildale 1928-7-4 5534 Siskiyou 1 1/2 miles east of summit between Sawyers Bar and Etna Comment
  CAS-BOT-BC256015  Poa pratensis William M. Hiesey 1947-8-23 556 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek, 2 mi. N. of Walker 548 Comment
  HSC34096  Poa rhizomata J. O. Sawyer 1969-6-11 844 Siskiyou Above C.C.C. road. 1287 Comment
  SEINET10602273  Poa rhizomata George D. Butler 1910-4-21 Butler 1206 Siskiyou Ditch bank, Kidder Creek. Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC69009  Poa secunda subsp. secunda Maralyn A. Renner 1980-7-24 2034 Siskiyou Lily Pad Lake 1768 Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  POM75067  Polemonium carneum Geo D. Butler 1910-5-15 1344 Siskiyou McAdam Creek. Comment
  HSC90759  Polemonium eddyense Jennifer Whipple 1976-6-11 960 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River Comment
Read comments Jul 6 2020
  UCR64581  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  SEINET12279655  Polemonium pulcherrimum H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  RSA237749  Polygonum bistortoides Frederick W. Oettinger 1967-8-20 295 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA184744  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  HSC101466  Polygonum douglasii subsp. majus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13002 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  CHSC45465  Polygonum douglasii subsp. spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the Highway 96, near the Klamath River, about 5 miles west of Interstate 5. 914 Comment
  UC1191245  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1948-7-17 13594 Siskiyou Eastern Grass Lake Comment
  UC164405  Polygonum lapathifolium Geo. D. Butler 1908-7-8 191 Siskiyou along creek near Yreka Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UCD100494  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  UC375149  Polygonum phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  CAS-BOT-BC420072  Polygonum polygaloides subsp. kelloggii A. A. Heller 1922-7-15 13713 Siskiyou At Medicine Lake 2133 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
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  RSA142622  Polygonum shastense P. A. Munz 1960-8-22 24182 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  POM120354  Polystichum imbricans Geo D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1220 Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC482441  Polystichum kruckebergii Dana York 2011-8-12 3046 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2065 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC27006  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1972-9-12 5770 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS84172  Polystichum lemmonii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6347 Siskiyou ca. 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  JEPS89825  Polystichum lemmonii Dean William Taylor 1972-7-4 1976 Siskiyou near Lily Pad Lake 3 mi. w. Cook and Green Pass 1981 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  SD82169  Polystichum lemmonii H. H. Tracy 1913-8-26 Siskiyou Mt. Eddy trail, near Mt. Shasta 1525 Comment
  SEINET10754709  Polystichum lemmonii Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 887 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
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  CAS-BOT-BC72374  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mountain Wilderness Area, Scott Bar quad. 2011 Comment
  CAS-BOT-BC72376  Polystichum lemmonii Geo. D. Butler 1908-8-5 238 Siskiyou below Cold Spring, West Fork of Woolly Creek Comment
  HSC79127  Polystichum lemmonii C. J. Thomas 1983-10-1 75 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  LA204822  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-7 755 Siskiyou Baldy Mt (NW of Happy Camp), large bluff ca. 0.5 mi NW of lookout 1846 Comment
  OBI1445  Polystichum lonchitis Lawrence L. Kiefer 1963-8-7 755 Siskiyou Baldy Mtn (W of Happy Camp) 1/2 mi NW of L.O. 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
  CHSC40  Polystichum scopulinum V. Holt 1936-7-2 Siskiyou Mt. Eddy. 1828 Comment
  CAS-BOT-BC72513  Polystichum scopulinum Louis C. Wheeler 1934-8-16 3172 Siskiyou 2 miles east of White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC102768  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Blk. Mt. Trail, above Marble Valley, Marble Mts. 1859 Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  RSA105419  Potamogeton foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 miles southeast of Etna on the Eastside Road. 915 Comment
  CHSC106269  Potamogeton pusillus var. tenuissimus Lowell Ahart; John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET10501887  Potamogeton richardsonii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  UC221751  Potentilla breweri H. E. Brown Jun 15 1897-Jun 30 1897 472 Siskiyou n side Mt. Shasta 1524 Comment
  POM366599  Potentilla breweri var. breweri M. B. Dunkle 1945-1 9302 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1409357  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou wet meadow s Upper English Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  UC166112  Potentilla flabellifolia Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain 1828 Comment
  RSA211185  Potentilla fruticosa William J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail. 1829 Comment
  UCR37851  Potentilla glandulosa subsp. nevadensis K. T. Stillman 1976-6-26 123 Siskiyou Marble Mountain Wilderness Area, near Bear Lake 1829 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC61837  Potentilla gracilis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC540557  Potentilla gracilis var. fastigiata A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1733684  Potentilla millefolia Kay H. Beach, Frank Gould 1940-5-16 644 Siskiyou about 24 mi N of Weed (on the road to Klamath Falls) Comment
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  CAS-BOT-BC516387  Prosartes hookeri Doris K. Kildale 1929-4-27 7572 Siskiyou Cecilville, South Fork Salmon River Comment
  UCD18943  Prunella vulgaris A. H. Murphy 1955-7-27 55 B Siskiyou Klamath National Forest, Marble Mountains, Cold Springs Meadow. 1676 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
  RSA238553  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Local population in wet meadow near spring hole just west of the Horse Range Lake outlet. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC158211  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC158213  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC67782  Prunus emarginata J. O. Sawyer, J. Cole 1980-7-21 3849 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  RSA183438  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  SBBG15938  Prunus emarginata D. Myrick 1961-6-21 311 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station on Klamath River 19 mi W of Hwy 99 1981 Comment
  UC154511  Prunus emarginata Harley P. Chandler June, 1901 1603 Siskiyou near Marble Mountain (Klamath River to Marole Mountain); North Coast Range 1828 Comment
  UC861018  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou between Elk Mountain and Marble Rim (Marble Mountains); Marble Mountains Comment
  UC484192  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou w edge of Lava Beds National Monument, between Bartle and Lookout Lava Beds National Monument Comment
  HSC18835  Prunus virginiana var. demissa D. M. Thomson 1965-8-14 198 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  JEPS24783  Prunus virginiana var. demissa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6791 Siskiyou just sw of Mount Shasta Town ((Sisson) and road to Castle Lake, at junction old Hwy 99) 1036 Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  JEPS101304  Pseudognaphalium thermale Dean W. Taylor 1999-8-12 17310 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  CDA32663  Pseudoroegneria spicata F. D. Horn 1977-5-6 Siskiyou Highway 263, Shasta River Canyon near Yreka. 0 Comment
  POM161491  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1904-6-27 848 Siskiyou Bluffs of Klamath River Comment
  CAS-BOT-BC80166  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  CHSC88367  Psilocarphus oregonus Jenny Marr 1993-7-1 173 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS82420  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley horse pasture Marble Valley; Marble Mt Wilderness Area 1792 Comment
  CHSC71481  Pterospora andromedea Vernon H. Oswald 1998-7-21 9328 Siskiyou Hwy. 97 between Weed and Macdoel at the east end of Grass Lake. 1524 Comment
  CAS-BOT-BC460546  Pterospora andromedea Wm. Bridge Cooke 1939-7-28 13793 Siskiyou Mount Shasta: Along the Sisson Southern Trail 1676 Comment
  SEINET924200  Pterospora andromedea Carl B. Wolf 1934-1 6019 Siskiyou SW slope of Mt. Shasta, 4 mi NW of Wagon Camp 1524 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  UCD91896  Puccinellia lemmonii Mr. Roseman 1913-1 19 Siskiyou Butte Valley. Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  CDA26232  Purshia tridentata T. C. Fuller 1962-6-11 8951 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC19589  Purshia tridentata var. tridentata D. M. Thomson 1965-6-11 76 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  UC60889  Purshia tridentata var. tridentata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson; Mount Shasta Comment
  HSC27719  Pyrola aphylla Carl W. Mize 1972-6-8 20 Siskiyou Along the main trail 351 Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  HSC27641  Pyrola picta Carl W. Mize 1972-6-22 83 Siskiyou 976 Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  UC166493  Quercus X morehus Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  UC249561  Quercus garryana Joseph P. Tracy 1922-9-3 6113 Siskiyou Somes Bar Northern Coast Ranges 243 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  UCR37560  Quercus garryana var. garryana K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain 1984-5-27 108 Siskiyou Scott River Road, 10.6 mi. north of Indian Scotty Campground 610 Comment
  CAS-BOT-BC105467  Quercus kelloggii Lewis S. Rose 1925-7-12 s.n. Siskiyou Shasta Springs Comment
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  RSA623530  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC705918  Quercus kelloggii Marion Ownbey, Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge Marble Mountain Comment
  CAS-BOT-BC104371  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Dryish meadow, on Blacj Mountain trail, marble Mts. 1798 Comment
  UC1313014  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou junction Red Rock Valley trail and Canyon Creek trail; Marble Mountain Wilderness Area 1341 Comment
  UC637062  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD47232  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 A Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1371 Comment
  UCD83688  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  HSC59008  Quercus vacciniifolia Marvin Butler 1971-7-20 176 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  RSA622138  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo road. Comment
  SBBG1344  Quercus vacciniifolia H. and M. Dearing 1939-6-30 3765 Siskiyou Callahan-Trinity Alps Rd Comment
  UCD135378  Raillardella pringlei Bruce G. Baldwin 1986-6-27 608 Siskiyou Shasta-Trinity National Forest, immediately south of toad Lake trailhead (at terminus of Forest Service road travesing the Middle Fork of Sacramento River, west of Lake Siskiyou). Comment
  UC1265406  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-8-24 1541 Siskiyou at outlet Upper English Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  UC1265405  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1683 Siskiyou near Abbot's Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area, Salamande 1767 Comment
  HSC64659  Ranunculus eschscholtzii J. O. Sawyer 1977-7-6 3025 Siskiyou S of Little Duck Lake 2134 Comment
  UC688900  Ranunculus eschscholtzii var. suksdorfii Vesta Holt 1943-8-7 M- 1 Siskiyou Marble Mountains Comment
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  JEPS2826 Image available Ranunculus occidentalis Harley P. Chandler Jun 1901 1691 Siskiyou near Marble Mountain; North Coast Ranges; Near Marble Mt., Siskiyou Co. Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  RSA47644  Ribes binominatum Roxana S. Ferris, Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  SFV10392  Ribes cereum M. L. Vincent 1967-6-29 720 Siskiyou On Mount Shasta. 2134 Comment
  SFV1613  Ribes cereum J. Major 1961-7-14 635 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  CAS-BOT-BC168866  Ribes inerme var. klamathense L. B. Kildale 1930-5-31 9819 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC168872  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  UC165269  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  HSC34292  Ribes lacustre J. P. Smith, J. O. Sawyer 1973-8-14 7286 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  HSC98167  Ribes lacustre J. O. Sawyer 1969-7-9 1235 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  UC796505  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11803 Siskiyou s Callahan (on Scott Mountain Rd. at Mule Creek crossing) 1493 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  JEPS49317  Ribes lobbii Annie M. Alexander and Louise Kellogg 1911-6-17 154 Siskiyou Jackson Lake 1798 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  SBBG2762  Ribes lobbii H. and M. Dearing 1939-7-2 3799 Siskiyou Salmon Mtn summit 1981 Comment
  CAS-BOT-BC212482  Ribes marshallii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  SBBG14314  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  CAS-BOT-BC199994  Ribes roezlii var. cruentum Lewis S. Rose 1945-6-18 45056 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC200009  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC65619  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6422 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS49460  Ribes roezlii var. cruentum W. L. Jepson 1907-7-4 2812 Siskiyou Shackelford Canyon Marble Mt. region Comment
  UC165382  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug road Comment
  CAS-BOT-BC186286  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC31133  Ribes sanguineum J. O. Sawyer 1970-7-15 2353 Siskiyou Above Bear Lake 1585 Comment
  HSC36607  Ribes sanguineum Brent Whiteley 1975-6-28 89 Siskiyou 915 Comment
  UC165272 Image available Ribes sanguineum Geo. D. Butler 1909-4-26 671 Siskiyou Quartz Valley Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  RSA605519  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville. 1372 Comment
  RSA0019541  Ribes sanguineum var. sanguineum Louis C. Wheeler 1963-9-3 8342 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC173908  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou Eight miles north of Weed along U.S. Highway #97 Comment
  CAS-BOT-BC173912  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka Comment
  RSA0019711  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek and Fall Creek. 793 Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  UC165744  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath Rim Comment
  JEPS80492  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou trail to Lookout; Marble Mountain Wilderness Area 1813 Comment
  UCD102544  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  CHSC118456  Rigiopappus leptocladus Richard R. Halse 2016-5-29 9719 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC29496  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Diamond Lake 1951 Comment
  UC454967  Rosa gymnocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC637137  Rosa gymnocarpa Edward Lee 1934-8-13 1090 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian 1463 Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC147063  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147078  Rosa pisocarpa Doris K. Kildale 1929-7-20 8634 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA237808  Rosa pisocarpa Frederick W. Oettinger 1969-8-18 1434 Siskiyou Base of cliff NE of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  RSA2867  Rosa pisocarpa Carl B. Wolf 1931-9-2 2390 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). 1067 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  HSC67730  Rubus leucodermis John Palmer 1980-8-12 694 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC78  Rubus leucodermis William J. Ferlatte 1967-7-26 761 Siskiyou NW side of Caribou Mtn., near Browns Meadow. 1829 Comment
  JEPS44776  Rubus leucodermis W. L. Jepson July 1894 13881 a Siskiyou Sisson Mt. Shasta, Sisson Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  CAS-BOT-BC157161  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  HSC63041  Rubus ursinus J. P. Smith 1973-5-5 6420 Siskiyou Along Cook and Green Pass Rd. Comment
  UC60928  Rubus ursinus Geo. B. Grant September 1902 5280 Siskiyou Mount Shasta 0 Comment
  HSC69418  Rudbeckia occidentalis John Palmer 1980-8-13 762 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC1173606  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14397 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  SD991  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson Flag station, 125 km. north of Red Bluff, along margin of river 449 Comment
  HSC76986  Salix jepsonii K. T. Stillman 1976-6-25 76 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  POM229947  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  UC375231  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-3-30 1149 Siskiyou Yreka Creek Comment
  UC482235  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125462  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  UC482247  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  UC482337  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house) 1080 Comment
  CAS-BOT-BC128309  Salix lasiolepis var. lasiolepis L. R. Abrams 1922-8-7 9902 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  CAS-BOT-BC124901  Salix lemmonii W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  POM219748  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  UC481729  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp; Flume Creek - tributary of Pit River 555 Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126125  Salix scouleriana L. S. Smith 1931-6-7 17 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  HSC4515  Salsola tragus D. M. Thomson 1965-8-6 168 Siskiyou Lava Beds National Monument, S of Crescent Butte. Comment
  CAS-BOT-BC233267  Salvia mellifera Kate Eastwood Phelps 1935-4-1 s.n. Siskiyou Pt. Sal Comment
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  RSA238834  Sambucus microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC238882  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  JEPS80602  Sambucus racemosa var. microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1795 Comment
  UC618780  Sambucus racemosa var. microbotrys W. Bridge Cooke 1938-9-8 11674 Siskiyou Red Butte Mount Shasta (s side) Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley 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
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  UCD98478  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground. 579 Comment
  CAS-BOT-BC110339  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  UCSB23748  Schoenoplectus acutus var. occidentalis Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of Klamth River; at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  UC1265458  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-7 1271 Siskiyou sandy beach English Lake (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); , Salmon Mountains, Marble Mountain Wilderness A 1752 Comment
  RSA366108  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  POM112204  Scribneria bolanderi Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  RSA238373  Scribneria bolanderi Frederick W. Oettinger 1967-7-20 181 Siskiyou East bank of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG30534  Scutellaria antirrhinoides D. Myrick 1968-6-24 2002 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk, Trinity Alps 1524 Comment
  UC61042  Scutellaria antirrhinoides W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Sisson; Mount Shasta, , 18th Crossing Comment
  POM63093  Scutellaria antirrhinoides E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon Comment
  UC1951260  Scutellaria antirrhinoides Robert F. Thorne 1969-8-23 63351 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  JEPS94674  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne Weed (and se of Macdoel in area of marshes and wet meadow along Old State Highway on w side of Bray) 1417 Comment
  CAS-BOT-BC64650  Sedum kiersteadiae John Thomas Howell 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. Comment
  HSC49945  Sedum laxum subsp. heckneri G. L. Clifton 1979-8-7 12751 Siskiyou Near Canyon Creek, close to the town of Seiad Valley 1342 Comment
  JEPS40870  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou 3.7 mi above mouth Carberry Creek (Middle Fork Applegate River, e-facing cliffs); Middle Fork Applegate River, above mouth Carberry Creek 762 Comment
  CAS-BOT-BC64646  Sedum obtusatum subsp. boreale Alice Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  HSC59368  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-31 1085 Siskiyou Tickner Hole 2130 Comment
  CAS-BOT-BC64644  Sedum oregonense John Thomas Howell 1937-7-26 13566 Siskiyou Between Big Flat and Caribou Gulch, Siskiyou Co. 2286 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC25456  Sedum stenopetalum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5651 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA13725  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2091 Comment
  HSC69260  Senecio aronicoides J. O. Sawyer`, J. Cole 1980-7-20 3744 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  SEINET196520  Senecio aronicoides R. Tofarud, J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows south slode on Mt. Shasta 2408 Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  CAS-BOT-BC363932  Senecio integerrimus var. exaltatus John Thomas Howell 1937-7-22 13309 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  CHSC88780  Senecio integerrimus var. exaltatus Jenny Marr 1993-7-1 195 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  CAS-BOT-BC364452  Senecio triangularis Harley P. Chandler 1901-6-1 1576 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC91256  Senecio triangularis Jennifer Whipple 1977-7-20 2005 Siskiyou N slopes of Mt. Eddy 2287 Comment
  JEPS116591  Senecio triangularis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -022 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  UC1034572  Senecio triangularis Douglas Barbe 1955-7-26 275 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
Read comments 1
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
Read comments Feb 21 2015
  SEINET10918409  Shepherdia canadensis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 175 Siskiyou Shasta-Trinity National Forest. 5.4 mi. on NF Rd. 17, off US Hwy. 97. 1294 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
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  HSC69023  Sidalcea malviflora Maralyn A. Renner 1980-7-24 2009 Siskiyou Lily Pad Lake Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  JEPS125970  Sidalcea oregana subsp. oregana D. W. Taylor 1999-8-12 17317 Siskiyou Mill Creek headwaters, Marble Mountains, ca 4 mi W of Mugginsville, Quartz Valley Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  HSC81753  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson 1980-7-20 6185 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  UC165937  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Road Comment
  UC60937  Silene grayi Geo. B. Grant September 1902 5094 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  UCD98589  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou to the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest. 2316 Comment
  CAS-BOT-BC181252  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  HSC32246  Silene lemmonii J. O. Sawyer 1970-6-17 2210 Siskiyou Along CCC Rd. 1433 Comment
  HSC99987  Silene lemmonii Thomas W. Nelson 2005-7-16 9379 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UC1475705  Silene marmorensis Clifton and Griswold 1979-6-26 6006 Siskiyou close to town Forks of Salmon (Little North Fork, near Salmon River); Sawyer's Bar Quad., near Salmon River, Little North Fork 683 Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  HSC69086  Sisyrinchium bellum Maralyn A. Renner 1980-8-4 2212 Siskiyou Flint Valley 1390 Comment
  UC618732  Sisyrinchium bellum W. Bridge Cooke 1938-7-15 11230 Siskiyou above Bear Spring (Also at Wagon Camp); Mount Shasta 1584 Comment
  RSA211516  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  HSC30413  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Marble Mountain Wilderness Area, near stream below English Lake. 1814 Comment
  JEPS62162  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou camp below Cold Spring; Woolly Creek 1676 Comment
  UC164056  Solanum umbelliferum Geo. D. Butler 1908-6-29 16 Siskiyou Greenhorn Mountain Comment
  RSA427345  Solanum umbelliferum Christopher Davidson 1975-6-5 2653 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SEINET10614387  Solidago David B. Dunn 1971-8-15 Dunn 18144 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  CAS-BOT-BC365760  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  OBI55475  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UCD136124  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -b Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  UC1222305  Sorbus scopulina Joseph P. Tracy 19478 Siskiyou summit of the Siskiyous (at crossing of Takilma-Happy Camp Road; 3 mi s of state line) 1463 Comment
  UCR18933  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou 10 mi. SW of Etna Comment
  UCD92633  Sorghum halepense Collector Unknown 1956-8-21 s.n. Siskiyou Mt. Shasta City. Comment
  UC202193  Sparganium angustifolium Geo. D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1219 Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  HSC68012  Spergularia rubra J. P. Smith, Steve Selva 1970-6-16 4015 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC149697  Spiraea splendens A. M. Vollmer; L. Beane 1951-6-1 158 Siskiyou Road to Elk Valley Comment
  UC1408913  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1889 Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  UC164122  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou head West Fork of Woolly Creek; Woolly Creek Comment
  SBBG126114  Stachys pilosa L. Ahart, J. Dittes 2010-7-30 16948 Siskiyou S edge of Shasta River, ca. 80 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  POM69090  Stachys rigida subsp. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Yreka Creek. Comment
  RSA447393  Stachys rigida subsp. rivularis M. B. Dunkle 1945-8-2 9273 Siskiyou Paradise Lake, Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC202882  Staphylea bolanderi C. H. M. 1919-11-10 s.n. Siskiyou Baird, McCloud River Comment
  HSC68021  Stellaria borealis subsp. sitchana J. P. Smith, Steve Selva 1970-6-16 4036 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC181446  Stellaria littoralis Volney Rattan 1879-1-1 s.n. Siskiyou Unspecified Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  UCSB276  Stephanomeria lactucina Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway, Mt. Shasta 1219 Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC6237  Stephanomeria paniculata R. C. Wunner 1965-8-21 458 Siskiyou California Lava Beds National Monument; 1 1/2 mi. from NW Ranger Residence along Main Rd. 1220 Comment
  HSC43031  Stipa lemmonii J. O. Sawyer, Ken Stillman 1976-7-2 2804 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  SDSU714  Stipa thurberiana D. F. Howe 1977-7-5 4996 Siskiyou 15 miles SE of Granada 1219 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  HSC91042  Streptanthus barbatus Jennifer Whipple 1976-7-13 1460 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  CAS-BOT-BC61133  Streptanthus barbatus G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2428 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1.5 mile west of Mount Shasta City. 1188 Comment
  CAS-BOT-BC87863  Streptanthus tortuosus Carl B. Wolf 1934-7-6 6022 Siskiyou Southwest slope of Mount Shasta. 0.5 mile south of trail to Horse Camp. 1524 Comment
  HSC18892  Streptanthus tortuosus J. O. Sawyer 1968-7-23 580 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  HSC27108  Streptanthus tortuosus var. tortuosus Carl W. Mize 1972-6-21 63 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  HSC29181  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC234791  Symphoricarpos mollis Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC234793  Symphoricarpos mollis A. A. Heller 1905-6-1 s.n. Siskiyou Between Upper Soda Spring [Springs] and Shasta Retreat Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  HSC5081  Symphyotrichum foliaceum var. parryi Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CHSC29307  Symphyotrichum spathulatum J. D. Prouty; A. Ratcliff, et al. 1979-8-2 79 .92 Siskiyou Pumice Stone Well. 1938 Comment
  UC1408809  Symphyotrichum spathulatum Robert F. Thorne and Fred Oettinger 1969-8-10 38972 Siskiyou Panther Creek Meadows, dryer portion of mdw along small cr Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow (s slope of Mt Shasta) 2194 Comment
  CAS-BOT-BC98925  Symphyotrichum spathulatum var. intermedium Wm. F. Herrin 1920-8-25 s.n. Siskiyou Road to Mt. Eddy Comment
  HSC26155  Symphyotrichum subspicatum J. P. Smith, J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  UC1446411  Tauschia howellii Marla Shapiro 1979-8-21 446 Siskiyou Marble Mountain Wilderness, Sawyers Bar Quad, where the English Peak-Diamond Lake trail crosses the saddle on Crapo Ridge Klamath National Forest 2194 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  SD88376  Tetradymia canescens Darley F. Howe 1972-7-8 Siskiyou 9.5 miles north of Weed on Highway 97 1160 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  UC480864  Thalictrum fendleri var. polycarpum Harley P. Chandler June, 1901 1648 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC101480  Thelypodium brachycarpum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12998 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  JEPS68262  Thelypodium brachycarpum L. R. Heckard 1972-5-31 2935 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  RSA105451  Thelypodium brachycarpum Milo S. Baker 1955-6-26 13074 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  CAS-BOT-BC88113  Thelypodium laciniatum L. E. Smith 1913-4-25 642 Siskiyou Yreka. Comment
  CAS-BOT-BC77737  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Klamath National Forest 1219 Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  RSA168913  Thermopsis robusta Joseph P. Tracy 1950-7-20 19213 Siskiyou Along top of ridge 5 miles SE of Flint Valley and along the road to Prospect Hill Comment
  CAS-BOT-BC197374  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CHSC100003  Thlaspi montanum var. montanum L. P. Janeway 2008-7-25 9496 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  CHSC560  Thlaspi montanum var. montanum M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC69131  Tiarella unifoliata Maralyn A. Renner 1980-8-6 2236 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1951319  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne and Fred Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  POM216004  Tonella tenella Louis C. Wheeler 1935-5-5 3460 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CDA7718  Tragopogon dubius T. C. Fuller 1965-6-1 13590 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  RSA474741  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  HSC69161  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-4 2206 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UCLA54787  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast Range 426 Comment
  OBI55487  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  JEPS65824  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  POM349496  Trifolium eriocephalum subsp. eriocephalum M. B. Dunkle 1944-7-15 9104 Siskiyou Siskiyou National Park Comment
  CAS-BOT-BC219038  Trifolium howellii Annie M. Alexander; Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley, Marble Mountains, edge of stream 1767 Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC67704  Trifolium longipes John Palmer 1980-7-24 604 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  HSC81684  Trifolium longipes Thomas W. Nelson, Jane P. Nelson 1980-7-20 6167 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC69282  Trillium ovatum Maralyn A. Renner 1980-7-24 1963 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  SEINET8495330  Trisetum cernuum D. W. Taylor 2006-8-8 19594 Siskiyou Dry Creek peak (ridge ca. 12 air miles NE of Mt Shasta summit). at headwaters Antelope Creek. Rainbow Mountain 7 1/2' USGS quadrangle. Shaded north facing cliffs of the cirque headwall on the north face of the peak. 2195 Comment
  HSC58563  Trisetum spicatum G. L. Clifton, Griswold 1979-7-26 10118 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC133493  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  UC454064  Triteleia crocea var. modesta I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC539  Triteleia hyacinthina William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  CHSC31157  Triteleia ixioides subsp. anilina M. S. Taylor 1980-7-8 3110 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  CAS-BOT-BC524319  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou Openings in the forest, Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC74097  Turritis glabra Wm. Bridge Cooke 1941-7-11 16040 Siskiyou Around MacBride Springs, Mount Shasta. 1524 Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  UCD122057  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070703 Siskiyou in Cedar Lake. 1742 Comment
  SEINET8360227  Utricularia minor Barbara L. Wilson 2011-8-23 16864 Siskiyou Fawn Creek meadows; a couple hundred yards downstream. 1879 Comment
  CHSC71580  Vaccinium cespitosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9454 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  HSC19103  Vaccinium cespitosum J. O. Sawyer 1969-7-9 1231 Siskiyou S of South Sugar Lake 1951 Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  HSC68386  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1202 Siskiyou N edge of Flint Valley 1390 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA605354  Vaccinium parvifolium L. C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA238858  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC199795  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC102655  Ventenata dubia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment
  HSC785  Veratrum viride William J. Ferlatte 1967-8-20 1043 Siskiyou Caribou Basin 2134 Comment
  RSA237905  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS39077  Verbena lasiostachys var. lasiostachys W. L. Jepson Jul 1 1894-Aug 1 1894 21226 Siskiyou between Sims and Sisson; Region of the Upper Sacramento River Comment
  HSC19339  Veronica americana J. O. Sawyer 1969-7-23 1189 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC19340  Veronica americana J. O. Sawyer 1969-7-11 859 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS16838  Veronica americ