Search Results — 2000 specimen records retrieved (1368 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC30656  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou Marble Mtn. Wilderness area, E side of English Lake 1784 Comment
  UCD70191  Abies X shastensis S. Rivas-Martinez; M. Costa and D. Sanchez-Mata 1998-6-16 Siskiyou Mount Shasta City. Shasta-Trinity National Forest. John Everitt Memorial Highway. Open Shasta red fir forests (Abies shastensis) at the basis of Mount Shasta. 2250 Comment
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  CHSC33072  Abies concolor J. P. Smith; Steve Selva 1970-7-15 4364 Siskiyou Baldy Mountain Lookout Station 1722 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  JEPS47975  Abies concolor W. L. Jepson 1902-7-18 2078 A Siskiyou trail to Salmon Forks; Western Siskiyou. Salmon Summit Comment
  JEPS47983  Abies concolor B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA0091810  Abies concolor Bonnie C. Templeton 1968-6-13 11333 Siskiyou About 5 miles s.w. of Mt. Shasta. Scott Camp Creek. 1585 Comment
  CAS-BOT-BC78022  Abies grandis M. P. Anderson 1902-2-16 s.n. Siskiyou Ridge between Seiad and Hone Creek Comment
  SEINET5432355 Image available Abies magnifica Ross C. Clark, Bob Harvey; Chris Harvey 23915 Siskiyou Mt. Shasta. Comment
  UC338681 Image available Abies magnifica var. shastensis J. G. Lemmon and Mrs. J. G. Lemmon Siskiyou forests near Mt. Shasta; ; forests near Mt. Shasta Comment
  CAS-BOT-BC331016  Acer glabrum var. glabrum Doris K. Kildale 1929-7-20 8671 Siskiyou Raspberry Lake, near east spur Preston Peak 1981 Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  RSA597963  Acer glabrum var. torreyi Louis C. Wheeler 1963-9-2 8332 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  POM85906  Acer negundo subsp. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
Read comments
Jan 23 2011
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  HSC27653  Achillea millefolium Carl W. Mize 1972-6-8 10 Siskiyou Along main trail 335 Comment
  JEPS117459  Achillea millefolium Lowell Ahart, John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS82499  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou top of Marble Mountain Lookout; Marble Mtn. Wilderness Area 1975 Comment
  UC29235  Achillea millefolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UCSB22168  Achlys triphylla Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA47651  Achnatherum lemmonii var. lemmonii Roxana S. Ferris, Laura Lorraine 1948-06 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD50794  Achnatherum nelsonii subsp. dorei Robert E. Preston 2001-6-23 1621 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  JEPS121759  Achnatherum nevadense B. Castro and L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  JEPS74568  Achnatherum occidentale subsp. occidentale W. J. Ferlatte 1966-6-23 136 Siskiyou slope along the Yellow Rose Mine Trail Trinity Alps 1676 Comment
  POM211396  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1934-6-11 2684 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  RSA211328  Achnatherum occidentale subsp. occidentale William J. Ferlatte 1966-6-23 136 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA0034618  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  CDA5734  Achnatherum thurberianum L. Ahart, J. Dittes 2005-6-9 12018 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UCD95340  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy. 1828 Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  CAS-BOT-BC413841  Aconogonon davisiae R. E. Frenkel 1964-10-2 888 Siskiyou East of Everitt Memorial Highway near Mount Shasta 2304 Comment
  UCD95421  Actaea rubra John M. Tucker 1963-7-7 3719 Siskiyou ca. 1/4 mile down the trail (north of) from the lake. Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC29319  Adenocaulon bicolor H. A. Thomas; J. H. Thomas 1954-7-21 4396 Siskiyou Salmon-Trinity Mtns, about 6 mi SE of Cecilville, west side of Rush Creek. 1036 Comment
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC127719  Adenocaulon bicolor Harley P. Chandler Jun 1901 1719 Siskiyou Shackleford Canon; North Coast Ranges, Marble Mountain 1524 Comment
  CAS-BOT-BC68962  Adiantum aleuticum H. A. Thomas; J. H. Thomas 1954-7-23 4468 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  HSC93000  Adiantum aleuticum Jennifer Whipple 1976-8-20 1723 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  HSC33345  Aegilops cylindrica William J. Ferlatte 1973-6-28 1680 Siskiyou Montague, NE edge of town 777 Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  HSC45207  Agoseris glauca var. glauca J. O. Sawyer, E. Cope 1977-6-20 2971 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  SEINET6738522 Image available Agoseris grandiflora G. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15378  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  CAS-BOT-BC13472  Agoseris retrorsa J. H. Thomas 1954-5-13 4162 B Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE Cecilville. Along Rush Creek. 1127 Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  SEINET7295882 Image available Agrostis alba Beecher Crampton 1956-1 3799 Siskiyou Drainage ditch along US Hwy. 99, 1.2 mile south of Dunsmuir 701 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  CAS-BOT-BC126984  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC126987  Agrostis exarata Louis C. Wheeler 1934-6-26 2792 Siskiyou Cottonwood Creek. Siskiyou Mountains. 838 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  HSC69112  Agrostis gigantea Maralyn A. Renner 1980-8-6 2303 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC139350  Agrostis idahoensis G. J. Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak. 2225 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA239063  Agrostis pallens Frederick W. Oettinger 1969-9-1 1578 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  UCD53583  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou along US Hwy. 99, 0.5 mile south of Dunsmuir. 701 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  HSC30598  Agrostis thurberiana Frederick W. Oettinger 1968-9-5 713 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin, Base Camp meadow. 1936 Comment
  CAS-BOT-BC138357  Aira caryophyllea var. caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mountains. Horse Creek. 762 Comment
  SDSU11452  Alisma triviale D. F Howe 1972-7-8 4881 Siskiyou 1524 Comment
  CAS-BOT-BC462987  Allium bolanderi Marion Ownbey 1950-6-20 G. N. 52 Siskiyou 2 1/2 miles west of Hilt; grown at Pullman, Washington Comment
  HSC68554  Allium campanulatum Maralyn A. Renner 1980-6-8 797 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  HSC22395  Allium validum J. O. Sawyer 1969-7-9 1063 Siskiyou NE shore of Little Duck Lake 2043 Comment
  SBBG21837  Allium validum D. Myrick 1964-7-25 970 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC61855  Allium validum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  CAS-BOT-BC171414  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  CAS-BOT-BC171417  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC169382  Alnus viridis subsp. sinuata Doris K. Kildale 1929-8-24 9022 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1524 Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  UC207707  Alopecurus aequalis Geo. D. Butler 1908-10-16 546 Siskiyou Oro Fino Creek Comment
  CAS-BOT-BC138106  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 94 Siskiyou In Scott Valley (Fay Dane). 853 Comment
  UC1045292  Alyssum alyssoides Reed Rollins 1940-6-7 15113 Siskiyou near Black Butte (along the Pacific Highway); Pacific Highway 1219 Comment
  UC1258474  Alyssum alyssoides Maralyn A. Renner 1980-6-22 928 Siskiyou 1 mi n of Little Shasta River (Klamath National Forest); Klamath National Forest 1402 Comment
  CDA3620  Alyssum alyssoides G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2647 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  JEPS54309  Amaranthus hybridus Geo. D. Butler 1908-7-13 543 Siskiyou near Yreka ( garden on Butler's ranch) Comment
  HSC41461  Amelanchier pallida J. P. Smith 1973-5-5 6510 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC101562  Amelanchier utahensis J. P. Smith, J. O. Sawyer 2010-5-6 12818 Siskiyou 732 Comment
  CAS-BOT-BC45214  Anaphalis margaritacea L. E. Smith 1914-7-6 753 Siskiyou Cantara Comment
  CAS-BOT-BC94795  Anaphalis margaritacea R. C. Wenk 2006-9-2 559 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  CAS-BOT-BC391803  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 A Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  HSC61856  Anemone deltoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  UCD95466  Anemone deltoidea John M. Tucker 1974-7-28 4310 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Camp at Haypress Meadows. 1463 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  CAS-BOT-BC94472  Anemone drummondii R. C. Wenk 2005-7-19 337 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy Comment
  HSC36950  Anemone lyallii J. P. Smith 1974-5-26 7588 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391966  Anemone occidentalis Douglas Barbe; H. K. Wagnon 1957-6-16 13135 Siskiyou North Coast Ranges. Near Summit Scott Mt 1920 Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  CAS-BOT-BC59164  Antennaria dimorpha L. E. Smith 1913-4-22 96 Siskiyou Yreka Comment
  HSC46213  Antennaria dimorpha Jennifer Whipple 1976-5-2 904 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS94738  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1998-7-21 9312 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  SEINET2030021 Image available Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  HSC61191  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC22  Antennaria rosea subsp. rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4639  Antennaria rosea subsp. rosea R. C. Wunner 1965-8-21 459 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  HSC68350  Anthemis cotula J. P. Smith, Steve Selva 1970-7-17 4428 Siskiyou Along Klamath River Comment
  RSA416838  Anthemis cotula Mr Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  RSA371501  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou Gazelle-Callahan Road, 2.5 miles NE of Hwy. 3. 1052 Comment
  HSC102657  Apera interrupta J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  CAS-BOT-BC397946  Aquilegia formosa Gilbert J. Muth 1969-8-6 1243 Siskiyou Boulder Peak Ridge Gap Meadow Comment
  CHSC466  Arabis V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  RSA0125744  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  RSA0125746  Arabis breweri Geo. D. Butler 1910-3-6 1118 Siskiyou Shasta River Comment
  HSC29177  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1829 Comment
  HSC22409  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-1 1676 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC57403  Arabis drummondii G. L. Clifton, Griswold 1979-7-26 10155 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC165312  Arabis holboellii Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  HSC69252  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3722 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  HSC26562  Arabis platysperma J. P. Smith, J. O. Sawyer 1972-8-20 5754 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC27307  Arabis platysperma J. P. Smith, J. O. Sawyer 1971-9-16 4770 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  HSC6571  Arabis subpinnatifida Lincoln Constance, R. C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 mi. W of Yreka 1220 Comment
  UC1076033  Arabis subpinnatifida Herbert L. Mason 1947-5-17 14796 Siskiyou above Scott Mountain Pass (Siskiyou-Trinity counties) Comment
  UC454524  Aralia californica I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  SEINET2471291  Arceuthobium abietinum R. L. Mathiasen 2007-9-16 2007 -44 Siskiyou At jct. of Greyback Rd. and road to Kelly Lake 1345 Comment
  CAS-BOT-BC407707  Arceuthobium americanum William Bridge Cooke 1941-6-12 16034 Siskiyou On Military Pass on the NE side of Mounta Shasta 1828 Comment
  CAS-BOT-BC407793  Arceuthobium campylopodum Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork Cottonwood Creek, Klamath National Forest 1371 Comment
  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  CAS-BOT-BC39977  Arctostaphylos nevadensis L. F. Henderson 1926-4-4 5935 Siskiyou Well up Sanger Peak Trail, 5 miles from Takilma, S. Ore, but in California. Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  HSC44977  Arctostaphylos nevadensis J. O. Sawyer 1978-6-21 3280 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC68378  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1210 Siskiyou N edge of Flint Valley 1390 Comment
  HSC69381  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3696 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  HSC73232  Arctostaphylos nevadensis Gail Newton 1980-6-20 506 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS38795  Arctostaphylos nevadensis Willis L. Jepson 1894-8-4 14717 Siskiyou Horse Camp Region of the Upper Sacramento, Mt. Shasta Comment
  JEPS49538  Arctostaphylos nevadensis W. L. Jepson 1940-6-27 20040 Siskiyou e slope Mt. Shasta 1828 Comment
  POM367359  Arctostaphylos nevadensis L. C. Wheeler 1934-7-23 2943 Siskiyou Long John Creek. 1463 Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  CAS-BOT-BC46489  Arctostaphylos patula Mrs. H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46491  Arctostaphylos patula C. B. Wolf 1931-9-2 2394 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud Road. 1158 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  HSC65285  Arctostaphylos patula Rich White 1978-7-6 255 Siskiyou Pond above Elk Hole 1524 Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  JEPS38837  Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  OBI36634  Arctostaphylos patula David J. Keil 1983-7-3 17348 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  RSA785506  Arctostaphylos patula Doris Bowers 1972-9-1 1890 Siskiyou Glass Mt., S/o Lava Beds National Mon. 1829 Comment
  SBBG83943  Arctostaphylos patula R. Gankin, L Srivastara, C. Lamoreux 1957-11-4 260 Siskiyou US Hwy 199, E side of hwy, approx.2 mi N of Weed. Comment
  UC54435  Arctostaphylos patula H. M. Hall and E. B. Babcock June, 1903 4103 Siskiyou above Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  UC646815  Arctostaphylos patula Reed C. Rollins and T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi s Weed 914 Comment
  CAS-BOT-BC47008  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-4-2 4404 Siskiyou Klamath River at Somes Bar. Comment
  UC718362  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1934-7-4 5925 Siskiyou 3 mi below Tee Bar Creek; Klamath River 213 Comment
  RSA264950  Arenaria congesta Gilbert Muth 1975-7-28 9902 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  RSA195517  Arenaria congesta var. suffrutescens H. A. Thomas, John H. Thomas 1954-7-24 4507 Siskiyou Salmon-Trinity Mts. Vicinty of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1829 Comment
  UC165944  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake Comment
  JEPS19744  Arnica chamissonis Rimo Bacigalupi with S. Galen Smith 1957-6-27 5874 Siskiyou Grass Lake, 20 ne of Weed, on route between Weed and Klamath Falls Grass Lake 1544 Comment
  UC166178  Arnica cordifolia Geo. D. Butler 1910-4-21 1216 Siskiyou Oro Fino Comment
  CAS-BOT-BC82361  Arnica cordifolia L. R. Short 1933-5-22 55 Siskiyou Klamath National Forest, Slope above Hegler's 609 Comment
  POM30864  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek. Comment
  UC1408755  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou high lake basins in vicinity of English Peak ((along old Hancock Lake trail to Diamond Lake)); Salmon Mountains, Marble Mountain Wilderness Area, English P 1973 Comment
  HSC22156  Arnica latifolia J. O. Sawyer 1969-7-2 1035 Siskiyou Near summit above Lipstick Lake 2226 Comment
  HSC713  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Carabou Basin 2287 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-BC90078  Arnica ovata Gilbert J. Muth 1969-8-6 1218 Siskiyou Boulder Peak 2529 Comment
  UC558481  Arnica viscosa W. B. Cooke 1936-8-1 Siskiyou first creek s of Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC85023  Artemisia arbuscula subsp. arbuscula Gilbert J. Muth 1969-8-6 1210 Siskiyou Boulder Peak 2529 Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  JEPS37045  Artemisia dracunculus Geo. D. Butler 1909-9-20 953 Siskiyou near Yreka (along creek) Comment
  CAS-BOT-BC90743  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt., Marble Mt. Comment
  HSC35802  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1821 Siskiyou Above Sugar Lake 2134 Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  CAS-BOT-BC447709  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-10 15256 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC447712  Aruncus dioicus var. vulgaris Edward Lee 1934-8-11 1031 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC400593  Asarum caudatum L. E. Smith 1914-5-5 650 Siskiyou Sisson Comment
  UC727045  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalfs Comment
  CAS-BOT-BC400699  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou On the plateau just above Shasta Springs Comment
  CAS-BOT-BC400706  Asarum hartwegii Elmer I. Applegate 1895-5-29 649 Siskiyou Sacramento Canyon below Sisson Comment
  UC164124  Asclepias cordifolia Geo. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  HSC48322  Aspidotis densa J. P. Smith, Steve Selva 1970-6-15 3951 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  RSA238769  Aster ledophyllus Frederick W. Oettinger 1967-8-20 292 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA770803  Aster oregonensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  UC82618  Astragalus accidens var. hendersonii Copeland 1903-7-6 3512 Siskiyou Hornbrook Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  CHSC91348  Astragalus gambelianus Lowell Ahart; John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC39321  Astragalus purshii var. tinctus J. P. Smith 1974-5-26 7385 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS116603  Astragalus purshii var. tinctus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -16 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1090 Comment
  CAS-BOT-BC200849  Astragalus utahensis Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  HSC65569  Asyneuma prenanthoides R. White 1977-7-21 122 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  SBBG7444  Asyneuma prenanthoides H. and M. Dearing 1939-6-3 3536 Siskiyou near Scott Bar Comment
  CAS-BOT-BC68750  Athyrium alpestre var. americanum Gilbert J. Muth 1969-8-7 1270 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  SEINET9630167 Image available Athyrium filix-femina var. californicum William Bridge Cooke 1940-8-2 15407 Siskiyou Flora of Mount Shasta; Wagon camp spring area 1737 Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC66197  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1929-7-20 8727 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  UC185243  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC66182  Athyrium filix-femina var. cyclosorum J. G. Lemmon s.n. Siskiyou Near Mt. Shasta Comment
  CHSC72233  Atriplex triangularis Vernon H. Oswald 1998-9-16 9650 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  CAS-BOT-BC100060  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  CAS-BOT-BC100062  Balsamorhiza lanata L. E. Smith 1913-4-14 627 Siskiyou Yreka Comment
  HSC103648  Balsamorhiza sericea Thomas W. Nelson, Jane Nelson 1985-6-19 7818 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  POM350743  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  HSC29189  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: N of Upper English Lake 1799 Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  HSC5003  Berberis nervosa J. O. Sawyer 1968-6-25 333 Siskiyou 1646 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC99792  Berberis nervosa G. L. Clifton, Griswold 1979-6-27 6093 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC169491  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  CHSC110645  Betula occidentalis Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side of Scott Mountain. Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CHSC38990  Blepharipappus scaber J. D. Jokerst 1983-7-21 1865 B Siskiyou Center of the east edge of the large open meadow at Wiley Ranch. Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  POM55527  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  CHSC102556  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.2 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 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-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  CAS-BOT-BC25690  Boechera sparsiflora L. B. Kildale 1930-6-1 9853 Siskiyou Summit between Sawyers Bar and Etna Mill. Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  UC42357  Botrychium multifidum Marshall A. Howe 1894-7-30 Siskiyou Sisson Comment
  HSC60900  Botrychium multifidum Al Hobart Siskiyou Black Butte Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC30274  Brassica nigra R. E. Frenkel 1964-7-13 676 Siskiyou On graded right of way to west of Everitt Memorial Highway. 1283 Comment
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  SEINET10533839  Brodiaea multiflora George D. Butler 1910-5-18 Butler 1361 Siskiyou Dry hill. Yreka. Comment
  UCD58313  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3388 Siskiyou At Weed. Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD59161  Bromus carinatus var. marginatus T. C. Fuller 1958-6-19 1801 Siskiyou Tom Williams property. 4 miles northeast of Montague. Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  UCD59539  Bromus rubens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3394 Siskiyou 7 miles N of Weed. 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
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC100203  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13175 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  HSC104253  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  HSC69547  Calamagrostis koelerioides Maralyn A. Renner 1980-8-4 2235 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC85731  Calocedrus decurrens Doris K. Kildale 1929-5-11 7715 Siskiyou Cecilville, south fork of Salmon River Comment
  CAS-BOT-BC85744  Calocedrus decurrens J. H. Thomas 1954-5-13 4158 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  HSC77046  Calochortus coeruleus K. T. Stillman 1976-6-25 31 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  SEINET10872529  Calochortus coeruleus var. fimbriatus Mary Susan Taylor 1980-7-8 Taylor 3109 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UC375199  Calochortus elegans Geo. D. Butler 1908-8-6 114 Siskiyou divide between Wooley Creek and Independence Creek Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  CAS-BOT-BC494020  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  HSC69701  Calochortus tolmiei Maralyn A. Renner 1980-6-26 1265 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC181515  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC181520  Caltha leptosepala John Thomas Howell 1939-8-10 15276 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC1971713  Calycadenia fremontii 1978-8-17 2131 Siskiyou 2.5 mi E of Callahan on the Gazelle-Callahan Road (near GDC 780), no plants at 2.0 mi E of Callahan 1022 Comment
  JEPS24805  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  JEPS52521  Calyptridium umbellatum W. L. Jepson 1907-7-4 2816 Siskiyou near Marble Mountain (Shackelford Canyon); Shackelford Canyon Comment
  UC618664  Calyptridium umbellatum W. Bridge Cooke 1938-8-21 11538 Siskiyou Mount Shasta, Horse Camp Flats Horse Camp Flats; Mount Shasta, Horse Camp Flats 2438 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  POM76572  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou Humbug Road Comment
  CDA39273  Camassia quamash subsp. quamash T. C. Fuller 1962-6-13 8994 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  CAS-BOT-BC36990  Camelina microcarpa Alice Eastwood 1923-5-22 11893 Siskiyou Sisson. Comment
  CDA3579  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC1181813  Camissonia contorta Dorothy Parker 1950-4-26 406 Siskiyou Scott Valley Siskiyou Mountains 883 Comment
  RSA453343  Camissonia tanacetifolia subsp. tanacetifolia M. V. Hood 1940-08 s.n. Siskiyou Mt Hebron, near Mt Shasta. 1220 Comment
  SEINET10939017  Campanula prenanthoides A. Arthur Heller 1920-7-28 Heller 13486 Siskiyou ALONG HIGHWAY NORTH SLOPE OF SISKIYOU MTNS YELLOW PINE AND OAK BELT Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  POM147896  Campanula scouleri J. B. Feudge 1927-7-22 1775 Siskiyou Mt. Shasta City 1067 Comment
  SEINET10463766  Campanula scouleri Overton 1979-8-6 OVERTON 12918 Siskiyou Near Sutcliffe Creek, on the Presto Peak quadrangle, close to the town of Happy Camp, streamside, Evergreen Conifer forest. 1158 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  SEINET10463777  Campanula scouleri Lemmon LEMMON s.n. Siskiyou Near Shasta Comment
  SEINET12271816  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  UC726667  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  HSC64113  Capsella bursa-pastoris J. P. Smith 1973-5-5 6657 Siskiyou Etna 793 Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  SEINET10644476  Carex A. Arthur Heller 1920-6-20 Heller 13390 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Shrubs are willow, Corylus, & Ceanothus. 1158 Comment
  JEPS63590  Carex abrupta B. C. Goldsmith 1916-9-29 28 Siskiyou Meadow, Medicine Lake Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC76855  Carex amplifolia L. P. Janeway 1982-6-18 77 Siskiyou 1 1/2 mi. up FS 19N07 from Indian Creek Rd., near a small creek 701 Comment
  HSC76856  Carex amplifolia L. P. Janeway 1982-8-1 96 Siskiyou Meadow on curve of FS 17N32 at FS 17N32A 793 Comment
  HSC61818  Carex aquatilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA119350  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  HSC76375  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC107146  Carex athrostachya R. E. Brainerd 2009-7-21 1532 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CAS-BOT-BC18130  Carex athrostachya Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CAS-BOT-BC19072  Carex aurea John Thomas Howell 1937-7-22 13257 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19084  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou Mount Shasta. Wagon Camp. 1737 Comment
  CHSC102554  Carex breweri L. P. Janeway 2009-8-4 9900 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  JEPS25574  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7199 Siskiyou on moraine between ice and snow fields, near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  SEINET10856290  Carex breweri Thorne 1969-8-10 THORNE 38982 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta; at base of boulders on dry, sunny volcanic slopes above ski-logde. 2377 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  HSC96593  Carex echinata subsp. echinata Gordon Leppig, J. Cromwell 1997-7-25 583 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 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
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  SEINET12649458 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25675 Siskiyou 1700 Comment
  SEINET10916797  Carex interior A. Arthur Heller 1920-7-6 Heller 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in te forest. 1158 Comment
  HSC69338  Carex jonesii John S. Palmer 1980-8-13 784 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  HSC89807  Carex laeviculmis D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  CHSC96602  Carex luzulina L. P. Janeway 2006-7-2 8733 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
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  SEINET3903104  Carex luzulina Wayne Rolle 1993-7-10 630 Siskiyou Poker Flat.; 0 1524 Comment
  SEINET10850462  Carex mariposana Louis C. Wheeler 1934-7-21 Wheeler 3014 Siskiyou Loose dry soil in sheltered spot. Head of Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W. Mt. Diablo Mer. 2042 Comment
  RSA794454  Carex multicaulis P. F. Zika, Julie Nelson 2012-6-21 25909 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 east of junction with 42N19, Klamath Range. 1665 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  HSC85837  Carex multicaulis L. P. Janeway 1983-8-7 524 Siskiyou Along S Fork Indian Creek Rd. (FS 17N32), 18 mi. from Indian Creek Rd. 1433 Comment
  SEINET10713499  Carex multicaulis A. Arthur Heller 1922-7-3 Heller 13675 Siskiyou Dry gravelly slope on Mt. Eddy south of Wagon creek in the Canadian zone. 2225 Comment
  SEINET10713510  Carex multicaulis Edwin B. Copel 1903-8-15 Copeland 3780 Siskiyou Mt. Shasta. 2134 Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  UC1265345  Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Tom's Lower Pond Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC119478  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 1005 Comment
  UC144464  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and upper Soda Spring Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  SEINET10949630  Carex paucicostata Thomas W. Nelson, Jane P. Nelson 1979-6-16 Nelson 4862 Siskiyou China Mountain Quad. T40N, R8W, Secs. 24 & 25. Drying meadow above Mule Creek along State Route 3, 4.4 miles north of Scott Mountain Summit. 1219 Comment
  SEINET8410792  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou 2 miles west of Montague Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  CHSC114399  Carex praegracilis G. D. Barbe; J. T. Howel, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada, Siskiyou County. 792 Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  RSA238934  Carex preslii Frederick W. Oettinger 1969-9-3 1620 a Siskiyou Shasta Ridge below English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 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
  SEINET7486116 Image available Carex rossii Unknown s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR) 1640 Comment
  HSC62623  Carex rostrata Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  RSA238922  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1254 Siskiyou The Flumes, Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS63652  Carex stipata var. stipata W. L. Jepson July 1894 56 a Siskiyou Sisson Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  SEINET8573781 Image available Carex subfusca Unknown 2009-1 24599 Siskiyou Comment
  HSC101889  Carex utriculata Dana York 2011-9-9 3094 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CHSC40129  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou On w side of Echo Lake. 1676 Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  POM253596  Cassiope mertensiana subsp. ciliolata C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-11 5395 Siskiyou South shore of Upper Canyon Creek Lake, 11 mi. north of Dedrick, Salmon-Trinity Mts. 2439 Comment
  RSA211455  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  CAS-BOT-BC241147  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-21 13193 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC118025  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
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS32578  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou near Mt. Shasta City 1066 Comment
  CAS-BOT-BC241144  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1936-5-20 1422 Siskiyou N. slope Scott Mt. 1219 Comment
  CAS-BOT-BC243756  Castilleja applegatei var. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  JEPS23707  Castilleja arachnoidea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7184 Siskiyou just e Mt. Shast Ski Bowl Lodge (at upper end of Everett Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  JEPS86683  Castilleja arachnoidea L. R. Heckard with T. I. Chuang 1990-7-15 6766 Siskiyou Panther Meadows Ski Area Mt. Shasta 2400 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS4512  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  JEPS68260  Castilleja lacera L. R. Heckard 1972-5-31 2933 Siskiyou about 2 mi se Yreka 822 Comment
  UC673469  Castilleja lacera H. L. Mason 1931-5-9 5871 Siskiyou 3 mi w Weed Comment
  CAS-BOT-BC254013  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  JEPS6840  Castilleja miniata H. A. Thomas and J. H. Thomas 1954-7-25 4533 Siskiyou vicinity Rush Lake and Rush Creek Meadow (about 9 mi e of Cecilville); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  CAS-BOT-BC254024  Castilleja miniata John M. Tucker 1948-8-2 1768 Siskiyou Panther Meadows; Mt. Shasta 2407 Comment
  RSA120855  Castilleja miniata G. D. Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC26229  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Station Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS46074  Castilleja pruinosa L. R. Heckard, and R. Bacigalupi, Ed Stuhl 1966-6-20 1526 a Siskiyou n side Mt. Shasta (along Bolam logging road) 1828 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  POM301760  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  RSA189668  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2679 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  JEPS24455  Castilleja schizotricha Al Hobart 1960-7-19 1029 Siskiyou n slope Preston Peak Comment
  UCD123032  Castilleja schizotricha A. H. Murphy 1960-8-9 60 C Siskiyou Klamath National Forest, head of Grider Valley at ridge top. 2072 Comment
  CHSC71330  Castilleja tenuis Vernon H. Oswald; Lowell Ahart 1998-6-11 9207 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
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CAS-BOT-BC47940  Ceanothus W. R. Dudley 1901-8-19 s.n. Siskiyou Trail Creek Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC63603  Ceanothus integerrimus Clarence R. Quick 1958-6-17 58 -27 Siskiyou Near Black Bear Summit s. of Sawyer's Bar on ridge road to cecilville. 1356 Comment
  SFV5242  Ceanothus integerrimus B. C. Templeton 1957-6-23 7733 Siskiyou Between Callahan and Gazelle. Comment
  POM85993  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  JEPS60237  Ceanothus prostratus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2291 Siskiyou Mt. Shasta, NW side, along US 97, 0.7 mi S of Bolam road junction Comment
  UC375365  Ceanothus prostratus Geo. D. Butler 1909-6-23 903 Siskiyou foothills of Goosenest Mountain Comment
  UC54493  Ceanothus prostratus H. M. Hall and E. B. Babcock June, 1903 4032 Siskiyou around Dunsmuir; Sierra Nevada Mountains, around Dunsmuir 609 Comment
  JEPS82685  Ceanothus pumilus Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow, on South China Mtn.); South China Mtn., above Cabin Meadow, sw of Stewart Springs 2286 Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  HSC31794  Ceanothus velutinus Steve Selva, Roger Jensen 1974-8-16 8 Siskiyou Above Sugar Lake Comment
  HSC99932  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13351 Siskiyou Sugar Creek Trail W of Callahan 1463 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
  CAS-BOT-BC52807  Ceanothus velutinus var. velutinus Wm. Bridge Cooke 1938-6-24 11104 Siskiyou Mount Shasta - Sisson Southern Trail, in Diller Canyon 2743 Comment
  HSC26900  Centaurea cyanus J. P. Smith, J. O. Sawyer 1971-9-18 4797 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CDA18842  Centaurea diffusa R. Breckenridge 1999-6-3 PDR 909441 Siskiyou near Volmer Creek overpass, in the vicinity of Dunsmuir. 0 Comment
  CDA7263  Centaurea maculosa T. C. Fuller 1967-8-15 16261 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CAS-BOT-BC106030  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Farmed areas and waste ground, 200 aggregate acres over 400 gross acres, Hawkinsville, just n. of Yreka Comment
  UC1727931  Centaurium Eva Grotkopp 1997-8-2 Siskiyou along Canal Gulch Rd. near Hawkinsville (near garbage dump, nw of Yreka,) 1000 Comment
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Oct 16 2014
  SEINET8582822  Centaurium exaltatum L. C. Wheeler 1935-7-3 3646 Siskiyou Shasta River, 2 miles NW of Montague. 762 Comment
  UC141206  Centaurium muehlenbergii Copeland 1903-7-14 3513 Siskiyou Klamathon Comment
  CAS-BOT-BC288800  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou About 7 miles S of Yreka Comment
  CAS-BOT-BC288802  Centromadia fitchii L. E. Smith 1913-6-25 405 Siskiyou Yreka Comment
  CHSC30247  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou, w of Mt. Shasta City. 1036 Comment
  CAS-BOT-BC384969  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  RSA12610  Cercocarpus betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 miles from Oak Knoll RS on road to Dry Lake Lookout. 1067 Comment
  HSC67804  Cercocarpus ledifolius J. O. Sawyer, J. Cole 1980-7-22 3975 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  LA47795  Cercocarpus ledifolius Louis C. Wheeler; 1934-9-5 3246 Siskiyou Siskiyou Mountains, Summit of Sterling Mt Comment
  RSA211465  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  CAS-BOT-BC148511  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  JEPS125881  Chaenactis suffrutescens Dean W. Taylor 1996-7-25 15833 Siskiyou Klamath National Forest; Scott Mountains, on watershed divide between Crater Creek drainage and Mountain House Creek drainage, about 15 air miles W of Weed. Comment
  UC90185  Chaenactis suffrutescens E. Palmer 1892-7-1 Siskiyou Mt. Shasta Comment
  CHSC30244  Chamaebatiaria millefolium M. S. Taylor; J. Prouty, E Heinitz. 1980-8-19 3267 B Siskiyou Se side of Little Glass Mt. 1950 Comment
  CHSC69086  Chamaebatiaria millefolium Vernon Oswald; Lowell Ahart 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  CDA35272  Chamaesyce serpyllifolia T. C. Fuller 1958-6-19 1806 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  HSC19022  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1303 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  JEPS29775  Cheilanthes gracillima Lauramay T. Dempster 1961-7-2 1851 Siskiyou sw of Etna (ridge w of Salmon Mt Summit) 1828 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  CDA3113  Chenopodium pumilio T. C. Fuller 1966-10-7 15248 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  HSC73225  Chimaphila menziesii Gail Newton 1980-6-20 518 Siskiyou Near Bald Mtn. 1326 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
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  HSC36656  Chimaphila menziesii Brent Whitely 1975-6-28 87 Siskiyou 915 Comment
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC452258  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452268  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  HSC142  Chimaphila umbellata William J. Ferlatte 1966-8-3 271 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC19321  Chimaphila umbellata J. O. Sawyer 1968-9-28 741 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS58866  Chimaphila umbellata Willis L. Jepson Jul 24 1894-Aug 10 1894 14654 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC456181  Chimaphila umbellata I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake 1524 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  UC705917  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC36250  Chrysolepis sempervirens W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  HSC45030  Chrysolepis sempervirens Maralyn O'Meara 1974-5-25 399 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  SEINET13943617 Image available Cicuta occidentalis G. D. Butler 1910-1 1788 Siskiyou Oro Fino Creek 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
  RSA0070592  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  RSA0039347  Cirsium cymosum John F. Emmel 1993-7-28 1281 Siskiyou Northwest Trinity Alps area, Salmon Mts.; slope SE above Rays Gulch, 0.8 air mile north and 0.1 air mile west of peak 4853. 1097 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  CAS-BOT-BC278066  Cirsium douglasii var. breweri Grant 1902-9-10 5149 Siskiyou Sisson Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  HSC81754  Cirsium douglasii var. breweri Thomas W. Nelson 1980-7-19 6198 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  UC60987  Cirsium douglasii var. breweri Geo. B. Grant 1902-9-1 5149 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  HSC26756  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  JEPS59252  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou Oro Fino Comment
  CDA1579  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CDA1587  Cirsium scariosum var. robustum M. R. Pryor 1950-7-26 s.n. Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
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Dec 10 2009
  CDA1609  Cirsium undulatum J. Massey 1988-7-7 s.n.-(A) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  CAS-BOT-BC228979  Cistanthe umbellata John Thomas Howell 1934-7-4 12392 Siskiyou Unspecified Comment
  CAS-BOT-BC164165  Clarkia concinna Mrs. Dorothy Parker 1961-5-26 874 Siskiyou Dry rocky hillside near Cecilville Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  UC1299417  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 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
  CAS-BOT-BC439101  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA466953  Claytonia exigua subsp. exigua L. C. Wheeler 1935-3-18 3378 Siskiyou Cottonwood Creek. 945 Comment
  POM101992  Claytonia parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka. Comment
  HSC64297  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6456 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC163755  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino; Mining Camp Comment
  HSC67725  Claytonia sibirica John Palmer 1980-8-12 681 Siskiyou SE of Ward's Gap. 1189 Comment
  UCR66723  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou Upper waters of Coffee Creek, Trinity Alps 1463 Comment
  HSC18075  Clematis ligusticifolia Jerry Parker 1968-10-6 127 Siskiyou Along E Fork Scott River Comment
  RSA332446  Clematis ligusticifolia J. P. Smith, Steve Selva 1970-7-16 4412 Siskiyou Beaver Creek Campground 823 Comment
  RSA8217  Clematis ligusticifolia Elmer I. Applegate 1923-9-6 3974 Siskiyou Klamath River mouth of Daggett Creek along wooded stream Comment
  HSC580  Clintonia uniflora William J. Ferlatte 1967-7-9 702 Siskiyou Kidd Creek Trail 1677 Comment
  JEPS61604  Clintonia uniflora W. L. Jepson 1937-7-30 18547 Siskiyou Poker Flat, headwaters of Indian Creek Indian Creek; , Poker Flat 1584 Comment
  CAS-BOT-BC499971  Clintonia uniflora Wayne Roderick 1967-7-22 s.n. Siskiyou North of Happy Camp on road to O'Brien Creek 1219 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500968  Clintonia uniflora Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains, Northwest California Comment
  CAS-BOT-BC238056  Collinsia Alice Eastwood 1912-7-15 s.n. Siskiyou Mc Cloud [McCloud] Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  HSC99300  Collinsia linearis G. L. Clifton, Walter Overton 1979-5-28 3402 Siskiyou Near Klamath River, close to the town of Seiad Valley 427 Comment
  CHSC88111  Collinsia parviflora Jenny Marr 1993-7-1 121 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC77022  Collinsia parviflora K. T. Stillman 1976-6-25 55 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  HSC69373  Collinsia parviflora J. O. Sawyer, J. Cole 1980-7-19 3677 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC29394  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake 1997 Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  JEPS7280  Collinsia torreyi var. latifolia W. L. Jepson 1907-7-5 2828 Siskiyou Marble Mt Comment
  UC1229785  Collinsia torreyi var. latifolia G. Newcomb and F. Chisaki 1958-6-22 1157 Siskiyou between Fort Jones and Gazelle 9.6 mi w on road from Fort Jones to Duzel Rock and 9.4 mi s from this road to Duzel Rock Duzel Rock 1645 Comment
  UC609353  Collinsia torreyi var. latifolia Eleanor Burks Hart 1938-8-20 945 Siskiyou slope above Big Meadow 2225 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  UC1191641  Collomia tinctoria Herbert L. Mason 1948-7-17 13596 Siskiyou hills near Grass Lake 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
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  HSC36655  Corallorhiza maculata Brent Whiteley 1975-6-28 67 Siskiyou 915 Comment
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  CHSC105576  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Lat. and Long. indicated +/- 16 feet. Comment
  RSA517292  Cordylanthus tenuis subsp. tenuis Barbara J. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  CAS-BOT-BC105084  Cordylanthus tenuis subsp. viscidus R. C. Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  UC885672  Cordylanthus tenuis subsp. viscidus Alice Eastwood 1917-9-2 6664 Siskiyou Shasta Springs Comment
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC19036  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1401 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  HSC101827  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-7-31 13346 Siskiyou Fence row along on Collier Way in Etna. 884 Comment
  UC313842  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  POM33149  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain. 1220 Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 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-BC376573  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou Pass just s. of Mt. Eddy 2438 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  HSC19046  Crepis pleurocarpa J. O. Sawyer 1969-7-18 1390 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC290873  Crepis pleurocarpa G. P. Rixford No date on label s.n. Siskiyou South side Shaft-rock [Shaft Rock] Mt., Hilt Comment
  HSC19045  Crepis pleurocarpa J. O. Sawyer 1969-7-16 1125 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  UC54009  Crocidium multicaule W. T. Mooney 1903-4-1 Siskiyou Yreka Comment
  HSC46185  Crocidium multicaule Jennifer Whipple 1977-3-20 1832 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC857037  Cryptantha affinis Lewis S. Rose 1937-7-25 37589 Siskiyou s slope Mt. Shasta 1767 Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  NY16606  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA22775  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  SEINET10531420  Cupressus bakeri Carl B. Wolf 1934-10-8 Wolf 2128 Siskiyou Modoc lava beds, 1 mi N.E. of timbered crater on Old Stage road from Dana to Little Hot Springs Valley. Arid transition:- Yellow Pines Sun. Lava Roack. 1220 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA757951  Cymopterus terebinthinus var. californicus Barbara Ertter, Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 79 northeast of Weed Comment
  HSC22481  Cynoglossum occidentale J. O. Sawyer 1969-8-3 1790 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  UC1190262  Cynoglossum occidentale Ira L. Wiggins 1955-7-23 13464 Siskiyou ridge w. of China Creek (s. side of S. Fork of Salmon R.); S. Fork of Salmon R. 960 Comment
  POM211391  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. (Mt Diablo Mer.) 670 Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  HSC58388  Danthonia californica Butler 1971-8-11 286 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction. 2073 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  UC1025011  Danthonia californica Leo Whitney 1935-7-15 3482 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  RSA238378  Danthonia californica var. americana Frederick W. Oettinger 1969-8-14 1372 Siskiyou English Lake Campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS82308  Danthonia intermedia Roger Raiche 1983-8-14 30615 Siskiyou summit of Mt. Eddy rd. (Forest Rd. #42N17) 2133 Comment
  RSA233683  Danthonia intermedia R. F. Thorne, Frederick W. Oettinger 1969-8-10 38960 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. Comment
  SEINET10598329  Danthonia intermedia A. Arthur Heller 1915-7-18 Heller 12113 Siskiyou Metcalf's Ranch, NE base of Mount Eddy, in moist open places in the forest. The original growth of Jeffrey Pine has been succeeded by Douglas Fir. 1250 Comment
  HSC82476  Danthonia unispicata Thomas W. Nelson, Jane P. Nelson 1979-6-15 4798 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC1112870  Danthonia unispicata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mts. Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  UCD119061  Darlingtonia californica B. Crampton 1956-8-21 3805 Siskiyou Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  UCR142701  Datura stramonium L. C. Wheeler 1934-10-28 3350 Siskiyou Yreka 823 Comment
  CAS-BOT-BC9049  Delphinium decorum subsp. tracyi Dorothy Inez Parker 1948-5-11 45 Siskiyou Around old Southern Oregon Sawmill, Plowman's Valley 1219 Comment
  HSC30793  Delphinium depauperatum Melinda F. Denton 1973-6-30 2934 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  SBBG27184  Delphinium nudicaule L. C. Wheeler 1935-5-26 3532 Siskiyou Yreka Crk 914 Comment
  CAS-BOT-BC118065  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11885 Siskiyou About 5.5 miles from Etna on forks of the Salmon Road Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  RSA13910  Deschampsia cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  UCD61159  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  POM207073  Deschampsia cespitosa subsp. cespitosa Th. Holm 1903-9-6 3798 Siskiyou Mt Eddy Comment
  RSA758077  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1990-7-14 9320 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  HSC102654  Deschampsia danthonioides J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  HSC34144  Deschampsia elongata J. O. Sawyer 1969-7-10 1438 Siskiyou Rocky ridge S of Jackson Lake. 1951 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  HSC92279  Deschampsia elongata Jennifer Whipple 1978-10-6 2409 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  CAS-BOT-BC43522  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  RSA433582  Dicentra formosa subsp. formosa Donald Myrick 1968-6-26 2007 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps, alt 4800ft. 1463 Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  HSC72375  Dieteria canescens var. shastensis J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8973 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  CAS-BOT-BC153302  Diplacus kelloggii L. B. Kildale 1930-6-1 9709 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  CAS-BOT-BC153451  Diplacus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  CAS-BOT-BC153722  Diplacus nanus Milo S. Baker 1926-7-18 79 a-'26 Siskiyou Forest Road on S. Fork Mt. 6 miles from Highway Comment
  SD60415  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou flats on pumice, US Hwy 97, 8.3 miles north of Weed Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  HSC19278  Dodecatheon alpinum J. O. Sawyer 1968-6-25 325 Siskiyou Along Horse Range Creek 1829 Comment
  UC1026909  Dodecatheon alpinum W. B. Cooke 1940-6-6 15069 Siskiyou at outlet of Castle Lake Comment
  HSC63073  Dodecatheon hendersonii David Wheeler 1979-4-1 14 Siskiyou Haypress Meadows turnoff along the Salmon River, 1/4 mi. from S.R. 96 Comment
  HSC67572  Dodecatheon jeffreyi J. P. Smith, Steve Selva 1970-7-17 4467 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC44586  Dodecatheon jeffreyi Laura Witherspoon 1977-8-8 Siskiyou Flint Valley 1220 Comment
  HSC77080  Dodecatheon jeffreyi K. T. Stillman 1976-6-16 5 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  CAS-BOT-BC33306  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  UC1243987  Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou 2.7 mi sw California-Oregon border (at the side of Dorris-Beswick road) Comment
  RSA436124  Downingia pulchella L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  UC166133  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  SEINET5342823  Draba nemorosa G. Butler 1910-4-10 1162 Siskiyou Dry thickets near Yreka. Comment
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  POM120352  Dryopteris arguta Geo D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek. 1220 Comment
  NY51020  Eleocharis decumbens H. E. Brown 1897-6-11 424 Siskiyou North side of Mt. Shasta 1524.0 Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  RSA365460  Eleocharis parishii L. C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC451559  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat, Klamath R. 518 Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC227912  Elymus elymoides Louis C. Wheeler 1934-8-6 3057 Siskiyou Klamath National Forest. Rock Gulch 1828 Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  UC157087  Elymus elymoides subsp. elymoides Dr. E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon Comment
  CHSC83260  Elymus glaucus subsp. glaucus L. P. Janeway 2002-7-13 7645 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  CAS-BOT-BC235223  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  HSC103027  Elymus multisetus J. P. Smith 2014-6-7 13885 Siskiyou Yreka 844 Comment
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  RSA591598  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UCD62473  Elymus multisetus Louis C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles E Grenada. 868 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  HSC32484  Elymus spicatus J. P. Smith, Steve Selva 1970-7-28 4530 Siskiyou South Fork of Sacramento River 1128 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
  JEPS107453  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CAS-BOT-BC94895  Epilobium angustifolium R. C. Wenk 2006-9-2 547 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  CAS-BOT-BC94896  Epilobium brachycarpum R. C. Wenk 2005-7-19 320 Siskiyou Along Pacific Crest Trail, 1-2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2133 Comment
  HSC77233  Epilobium brachycarpum L. P. Janeway 1983-8-13 536 Siskiyou Along Rd. 17N32 (the S Fork Indian Creek Rd.) 12 mi. from Indian Creek Rd. 976 Comment
  RSA237392  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  UC1188196  Epilobium ciliatum subsp. ciliatum Philip A. Munz 1960-8-21 24206 Siskiyou roadide ditch 10 mi n Weed Comment
  POM46292  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  UC1190252  Epilobium glaberrimum subsp. glaberrimum Ira L. Wiggins 1955-7-22 13452 Siskiyou 9.5 mi above Cecilville; S. Fork of Salmon R 1066 Comment
  SEINET9073962 Image available Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-1 1150 Siskiyou Halway Spring, English to Diamond Lake. Trail 1829 Comment
  HSC29154  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  POM171592  Epilobium hallianum Doris K. Kildale 1929-7-20 8701 Siskiyou Trail between Elk Lick and Raspberry Lake 1677 Comment
  RSA211355  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 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
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  RSA598062  Epilobium lactiflorum Louis C. Wheeler 1963-8-31 8325 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  HSC36894  Epilobium minutum J. P. Smith 1974-5-25 7512 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC164471  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  HSC62031  Epilobium siskiyouense Al Hobart 4 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC58019  Equisetum Doris K. Kildale 1928-7-25 5899 Siskiyou Klamath River, at Mel's Creek near Hamburg. Comment
  POM256462  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC174226  Eremogone congesta var. congesta David D. Keck 1938-8-8 4874 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UC179690  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt. Eddy 1889 Comment
  OBI55457  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC294304  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2225 Comment
  CAS-BOT-BC294307  Ericameria nauseosa var. speciosa Alice Eastwood 1917-9-2 6661 Siskiyou Shasta Springs Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  CHSC72229  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  SEINET8079190 Image available Ericameria nauseosa var. speciosa Unknown 1919-10-3 s.n. Siskiyou Near Yreka Hills Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  HSC2269  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1372 Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  CAS-BOT-BC294498  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on road 40N08 1645 Comment
  UC163865  Erigeron bloomeri var. bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  UC163866  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka Comment
  UCR51769  Erigeron breweri var. klamathensis L. C. Wheeler 1934-8-6 03055 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  HSC77104  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  UC1409465  Erigeron cervinus F. W. Oettinger 1968-8-23 608 Siskiyou rock-crevices on Shasta Ridge, se of Diamond Lake; Salmon Mts., English Peak area, Red Fir Forest 2072 Comment
  CAS-BOT-BC294908  Erigeron chrysopsidis var. austiniae Gilbert J. Muth 1969-8-6 1216 Siskiyou Boulder Peak Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  HSC59017  Erigeron foliosus var. confinis Marvin Butler 1971-8-11 272 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  SBBG7643  Erigeron foliosus var. confinis H. and M. Dearing 1939-7-1 3785 Siskiyou Salmon Mtn 1828 Comment
  RSA238776  Erigeron foliosus var. confinis Frederick W. Oettinger 1967-7-26 201 Siskiyou Along ridge approx. 20 yards north of where trail crosses the gap between Toms and Hancock Lake basins. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2146 Comment
  HSC2408  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn. 2470 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS41443  Erigeron inornatus var. inornatus W. L. Jepson 1940-7-1 20076 Siskiyou 6 mi e McCloud; Fowlers Camp, McCloud River 975 Comment
  JEPS94098  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1998-9-8 9609 Siskiyou ca. 2 air mi. n.w. Indian Spring Mt. (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 6 air mi. w. of Mosquito Lake & Whitehorse Flat Reservoir) 1127 Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  CHSC67468  Erigeron petrophilus var. viscidulus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS16958  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou rocky s slope Mount Eddy 2651 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
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  HSC60821  Eriogonum compositum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC922358  Eriogonum compositum var. compositum Annie M. Alexander and Louise Kellogg 1949-7-29 5901 Siskiyou Campbell L. trail to Hidden L. (above Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC255703  Eriogonum douglasii var. meridionale Gilbert J. Muth 1969-8-7 1267 Siskiyou Boulder Peak Ridge 2468 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  UC454347  Eriogonum elatum var. villosum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, bank of Sacramento River Sacramento River, Dunsmuir Comment
  SDSU6553  Eriogonum hirtellum D. F. Howe 1962-8-4 3385 Siskiyou Baldy Mountain. 1433 Comment
  HSC59935  Eriogonum lobbii D. L. Goforth 1979-7-19 259 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2104 Comment
  RSA142625  Eriogonum marifolium P. A. Munz 1960-8-22 24181 Siskiyou Panther Meadows, Mt. Shasta 2409 Comment
  SBBG122852  Eriogonum marifolium B. Ertter 1990-7-16 9382 Siskiyou ca 2 mi E of Parks Crk trailhead (crest of Rd 17), along ridge, NW side of Mt Eddy, ca 8 air-mi SW of Weed 2316 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  UC61674  Eriogonum marifolium Geo. B. Grant 1902-10-1 5091 Siskiyou Horse Camp Mt. Shasta, Horse Camp 2438 Comment
  HSC66395  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3770 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  CAS-BOT-BC261674  Eriogonum nudum var. nudum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  CAS-BOT-BC261677  Eriogonum nudum var. nudum Doris K. Kildale 1929-8-23 8805 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC19485  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-2 1030 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  UC54705  Eriogonum nudum var. nudum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC19486  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-24 1502 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC272479  Eriogonum nudum var. pubiflorum L. B. Kildale 1930-6-1 9837 Siskiyou Mill Creek near Etna Mills Comment
  HSC42982  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1971-9-18 4820 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC42990  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-8-8 4569 Siskiyou Lava Beds National Monument Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  CAS-BOT-BC269973  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CAS-BOT-BC262732  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren; James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed 1341 Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  SEINET11261409  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren, James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed.; 0 1341 Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  JEPS56425  Eriogonum strictum var. proliferum W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 822 Comment
  UC1072717  Eriogonum strictum var. proliferum Douglas Barbe 1955-6-28 12 Siskiyou 0.3 mi n Callahan; Klamath Mountains 1005 Comment
  JEPS84304  Eriogonum ternatum L. R. Heckard with J. Hickman et al. 1986-7-17 6476 Siskiyou s Lily Pad Lake (trail up Kangaroo Peak; ca. 5 mi n of the town of Seiad Valley); Kangaroo Peak 1800 Comment
  CAS-BOT-BC267929  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  HSC62448  Eriogonum umbellatum Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267990  Eriogonum umbellatum var. argus J. F. Emmel 1968-7-18 89 Siskiyou Slope south above Castle Lake 1889 Comment
  CAS-BOT-BC267992  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  HSC68577  Eriogonum umbellatum var. argus Maralyn A. Renner 1980-6-8 804 Siskiyou Slopes E of Hwy. 3 1341 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
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  UC609330  Eriogonum umbellatum var. argus Eleanor Burks Hart 1938-8-15 925 Siskiyou Upper Wright Lake 2225 Comment
  CHSC71493  Eriogonum umbellatum var. dumosum Vernon H. Oswald; Lowell Ahart 1998-7-21 9320 Siskiyou Hwy. 97 at the 11.0 mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  RSA197005  Eriogonum umbellatum var. dumosum Noel Holmgren, James L. Reveal 1966-6-9 2676 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  CAS-BOT-BC268142  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 s.n. Siskiyou Along upper ridges, Marble Valley Comment
  UC77425  Eriogonum umbellatum var. humistratum H. E. Brown Jun 15 1897-Jun 30 1897 Siskiyou n side Mt. Shasta Mt. Shasta 1524 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  HSC89399  Eriogonum umbellatum var. polyanthum M. S. Taylor 1980-8-19 3267 Siskiyou Paint Pot Crater 1921 Comment
  JEPS107389  Eriogonum umbellatum var. polyanthum Lowell Ahart, John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SD98969  Eriogonum umbellatum var. polyanthum D. F. Howe 1977-7-5 4997 Siskiyou 15 mi. SE Granada Comment
  CAS-BOT-BC262181  Eriogonum umbellatum var. versicolor J. Sawyer; J. Cole 1980-7-20 3793 Siskiyou East side of Grouse Hill Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  UC1112260  Eriophorum crinigerum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5953 Siskiyou ca. 6 mi. due s. Mt. Eddy (head of S. Fork of Sacramento R., w. side Gumboot Lake); Gumboot Lake 1859 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-BC301100  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC301102  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  CAS-BOT-BC301119  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 86 Siskiyou 1 mile south of Weed Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC60935  Eriophyllum lanatum var. integrifolium Geo. B. Grant 1902-9-1 5228 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC301705  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3751 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 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
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  UC1565572  Eryngium mathiasiae Beth Corbin 1989-8-28 546 Siskiyou ca. 14 air mi. n. Fall River Mills (ca. 1/4 mi. s. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  SD88375  Erythranthe guttata Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  SJSU917  Erythranthe guttata J. W. Tilden 1946-6-20 1007 Siskiyou Spring Flat, NW from Fort Jones, Scott R Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  RSA78844  Erythronium grandiflorum subsp. grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  JEPS82706  Erythronium klamathense Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake) 1981 Comment
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Mar 5 2007
  CAS-BOT-BC403679  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou Near Yreka Comment
  SD51280  Eschscholzia californica Darley F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp on Highway 96. 456 Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  SEINET5339918  Eschscholzia californica G. Butler 1910-5-7 1301 Siskiyou Dry land yreka Comment
  UC1114142  Eschscholzia californica Gene B. Newcomb and H. G. Baker 1959-3-28 229 Siskiyou w side of Hwy 99 just opposite Noltas Airport (just s of Walker Creek, on State Hwy gravel pile) 1219 Comment
  HSC92688  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  CAS-BOT-BC310455  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6577 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  RSA480970  Euphorbia lathyris W. Bridge Cooke 1940-6-20 15153 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  SEINET3244013  Euthamia occidentalis G. D. Butler 1910-1 1859 Siskiyou Oro Fins. Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  POM215869  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  UC1483422  Festuca idahoensis John Palmer 1980-8-15 1023 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1463 Comment
  SEINET10521968  Festuca idahoensis Stillman 1976-6-25 STILLMAN 99 Siskiyou Scott bar quad. T43n,r12w,sec.15. Montane and subalpine meadows. Marble Mountain wilderness area. Between marble gap and elk valley trail Comment
  CHSC110947  Festuca occidentalis B. Castro; L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the dN-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its 'A' spur, in the old roadbed on semi-shaded red fir forest floor. Comment
  HSC26623  Festuca occidentalis J. P. Smith, Steve Selva 1970-6-16 3990 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC197110  Festuca pratensis Geo. D. Butler 1908-7-1 473 Siskiyou near Yreka Comment
  UC922370  Festuca roemeri Annie M. Alexander and Louise Kellogg 1949-7-22 5844 Siskiyou trail to Kings Castle, top of ridge Marble Mountains, Paradise Lake 2072 Comment
  SEINET3132061  Festuca roemeri var. klamathensis B. L. Wilson 1996-6-22 8169 Siskiyou 0.7 mi SW of the Gazelle Road on the Stewart Springs Road (USFS Road 17), at the first bend in the road, ca 3.5 mi W of 1 mi N of Weed Comment
  CAS-BOT-BC279068  Festuca rubra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  CHSC93737  Festuca rubra Barbara L. Wilson; Richard Brainerd 2003-6-17 10913 Siskiyou On road 41N14 in the Klamath National Forest, on west side of road 0.9 miles north of Road 1C02 (from Callahan toward Cecilville). 1127 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC53257  Frangula californica subsp. californica Wm. Bridge Cooke 1938-8-5 11436 Siskiyou MacBride Spring Road 1524 Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  SEINET10690240  Frangula californica subsp. occidentalis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  HSC100193  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-5 13416 Siskiyou Along Yreka-Walker Road (County Road 7J001). 953 Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  CAS-BOT-BC223581  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3 1/2 mi. below mouth of Shasta River 609 Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  CAS-BOT-BC130174  Fritillaria affinis Mrs. Stonehouse 1916-4-25 s.n. Siskiyou Hilt Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  SEINET12045024  Fritillaria pudica L. C. Wheeler 1935-1 3379 Siskiyou Cottonwood Creek, Siskiyou Mts 945 Comment
  UCD121552  Galium ambiguum G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3270 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC39826  Galium bolanderi J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  RSA78828  Galium glabrescens subsp. glabrescens Philip A. Munz 1952-7-2 17906 Siskiyou Ridge W of Baldy Mtn. About 6 air miles W of Happy Camp. 1738 Comment
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills Comment
  HSC61791  Galium triflorum Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UCD77233  Galium triflorum Robert E. Preston 2001-6-30 1635 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  UC527339  Garrya fremontii C. B. Wolf 1931-9-2 Siskiyou 4 mi above McCloud Road junction with Pacific Highway 1188 Comment
  SEINET5765232  Garrya fremontii L. C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1067 Comment
  RSA238360  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM261010  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1941-9-10 16307 Siskiyou In the yard at Horse Camp, Mt. Shasta. 2439 Comment
  CHSC71489  Gayophytum heterozygum Vernon H. Oswald; Lowell Ahart 1998-7-21 9316 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC61504  Gayophytum heterozygum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  RSA120944B  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  HSC78328  Gayophytum humile L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC91275  Gentiana calycosa Jennifer Whipple 1976-9-2 1765 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC91276  Gentiana calycosa Jennifer Whipple 1976-8-20 1731 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  HSC77110  Geranium richardsonii K. T. Stillman 1976-7-31 356 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off, SE of Kings Castle Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 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
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC302669  Gnaphalium palustre Carl B. Wolf 1927-8-26 995 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CHSC88403  Gnaphalium palustre Jenny Marr 1993-7-1 162 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS34011  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14748 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 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
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UCR93354  Hackelia californica Kathy Harper, D. Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  JEPS25535  Hackelia californica Rimo Bacigalupi with Lincoln Constance 1959-6-16 7150 Siskiyou 0.3 mi e of Deadhorse Summit (along State Hwy 89) 1341 Comment
  UC1177928  Hackelia californica Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou slopes of Everitt Hill (on road to Everitt Hill, 3.5 mi e of junction with Highway 89-99) 1447 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC609340  Hackelia micrantha Eleanor Burks Hart 1938-8-15 896 Siskiyou s side of Upper Wright Lake 2225 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
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  JEPS25855  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  UC1034054  Hastingsia alba W. Bridge Cooke 1941-8-8 16169 Siskiyou Wagon Camp Swamp , Wagon Camp Swamp (Mount Shasta) 1737 Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC508652  Hastingsia alba Gilbert Muth 1966-7-14 387 Siskiyou Marble Mts., ridge near lookout 2042 Comment
  JEPS11905  Hastingsia alba Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4799 Siskiyou 0.1 mi n of summit of divide w Scott Mountain (along road from Callahan to Carrville and Trinity Center, just n of Trinity-Siskiyou County line) 1615 Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  HSC34005  Hastingsia serpentinicola J. P. Smith 1974-5-25 7504 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  LA203710  Hazardia whitneyi var. discoidea Louis Wheeler; 1934-8-5 3045 Siskiyou Siskiyou Mountains, Condrey Mt 2163 Comment
  RSA530395  Hazardia whitneyi var. discoidea W. D. Clark, L. E. Urbatsch 1974-9-26 1153 Siskiyou 18.0 miles N of Hwy 96 on Forestry Rd 40501. 2134 Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UC134681  Helenium bigelovii Katharine Curran 1887-7-1 Siskiyou Edgewood Mt. Shasta Comment
  CAS-BOT-BC306755  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  UC1034577  Helianthella californica subsp. nevadensis Douglas Barbe 1955-7-26 267 Siskiyou nw slope Scott Mtn (along a dry ditch) 1828 Comment
  CAS-BOT-BC305471  Helianthus annuus L. E. Smith 1914-9-9 756 Siskiyou Sisson Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  JEPS81655  Hemizonella minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2296 Siskiyou on US 97 0.8 mi s Bray Junction; Murphy Wells 1493 Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  CAS-BOT-BC313460  Hemizonella minima L. E. Smith 1913-7-12 460 Siskiyou Igerna Comment
  UC1190166  Heracleum lanatum Ira L. Wiggins 1955-7-26 13512 Siskiyou just above mouth of Blind Horse creek S. Fork Salmon R. 886 Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  CAS-BOT-BC311092  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  HSC76962  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC420708  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  HSC20  Heuchera merriamii William J. Ferlatte 1966-6-22 82 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4793  Heuchera merriamii William J. Ferlatte 1966-8-19 454 Siskiyou Head Of Kidd Creek 2134 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  RSA0063196  Heuchera merriamii John T. Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC705879  Heuchera micrantha var. diversifolia Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou nw of Hornbrook; Siskiyou Mts Comment
  CAS-BOT-BC425007  Heuchera micrantha var. micrantha John Thomas Howell 1937-7-26 13564 Siskiyou Between Big Flat and Caribou Gulch Comment
  CDA25409  Heuchera micrantha var. pacifica F. D. Horn, D. L. Janssen 1978-5-17 Siskiyou Old Klamath River Highway, approximately 8 km east of Horse Creek. 0 Comment
  HSC58951  Heuchera rubescens Gilbert Muth 1975-7-31 4649 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  CAS-BOT-BC424373  Heuchera rubescens A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  JEPS36677  Hieracium albiflorum Geo. D. Butler 1908-7-20 330 Siskiyou w side Humbug Mountain Comment
  RSA237433  Hieracium albiflorum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1258 Siskiyou Tobacco Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC22155  Hieracium bolanderi J. O. Sawyer 1969-7-16 1132 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC318538  Hieracium greenei John Thomas Howell 1939-8-6 15097 Siskiyou Elk Mt., Marble Mts. Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  UCD133129  Hieracium triste J. M. Tucker; Louis K. Mann 1963-8-19 3783 Siskiyou Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  RSA449785  Holodiscus discolor M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mountains, Klamath National Forest: King's Castle Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  CAS-BOT-BC152360  Holodiscus discolor var. discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of Siskiyou Mountains above Dry Lake Ranger Station Comment
  CAS-BOT-BC152362  Holodiscus discolor var. discolor Gilbert Muth 1965-8-3 s.n. Siskiyou Creek below Marble Valley Guard Station Comment
  SD76173  Holodiscus discolor var. glabrescens Helen V. Witham 1969-10-6 547 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  CDA3419  Holosteum umbellatum J. T. Howell 1964-5-11 40699 Siskiyou Grenada. Comment
  CAS-BOT-BC289276  Hordeum brachyantherum subsp. brachyantherum L. N. Lorenzen No date on label. 32 Siskiyou Medicine Lake, Shasta forest 2072 Comment
  RSA715639  Hordeum depressum L. Ahart, John Dittes 2005-6-9 12001 Siskiyou 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 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  HSC101712  Hordeum marinum subsp. gussoneanum J. P. Smith, J. O. Sawyer 2011-6-25 13261 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC143944  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  JEPS96981  Horkelia daucifolia Dean W. Taylor 1999-6-9 17238 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC143947  Horkelia daucifolia H. D. Ripley; R. C. Barneby 1948-7-5 9632 Siskiyou 2 mi. SW. of Yreka 853 Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  SBBG26776  Horkelia daucifolia L. Constance, R. C. Rollins 1942-5-13 Siskiyou Scott River, 2 mi S of Scott Bar 548 Comment
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  SJSU2572  Hosackia oblongifolia var. oblongifolia H. L. Buckalew 1962-7-14 Siskiyou Near Poker Flat c. 2 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  CHSC102560  Hulsea nana L. P. Janeway 2009-8-3 9888 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CHSC98745  Hulsea nana L. P. Janeway; B. Castro 2007-7-29 9137 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  HSC72351  Hulsea nana J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8959 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  SEINET5500028  Hydrophyllum capitatum var. alpinum G. D. Butler 1910-5-10 1324 Siskiyou Bulls Meadows, Goosnest Mountain 1676 Comment
  CAS-BOT-BC95002  Hydrophyllum occidentale R. C. Wenk 2005-7-19 343 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC27489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer 1972-5-27 5352 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS66806  Hypericum formosum var. scouleri W. L. Jepson July, 1894 13961 Siskiyou Sisson Comment
  CAS-BOT-BC401358  Hypericum scouleri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC4294  Iris macrosiphon F. W. Morse 1886-1 Siskiyou Mt. Shasta Comment
  HSC68472  Iris tenuissima Maralyn A. Renner 1980-6-26 1224 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  UC1408844  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA237976  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Inlet area of Little Hancock Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  HSC28737  Isoetes occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1268 Siskiyou Marble Mtn. Wilderness Area, W end of English Lake, shallow lake margin 1753 Comment
  UC205420  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt. Eddy Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC110015  Juncus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Mumbo Basin. 1828 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CAS-BOT-BC110022  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1066 Comment
  CHSC106110  Juncus articulatus Lowell Ahart; John Dittes 2010-7-30 16962 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
  UC1100953  Juncus balticus Herbert L. Mason 1948-7-18 13615 Siskiyou Grass Lake Comment
  HSC71107  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4502 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC82374  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4527 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  POM111243  Juncus bufonius var. bufonius Geo D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek. 1220 Comment
  UC1265336  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou nw side Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  POM111089  Juncus ensifolius Geo D. Butler 1910-6-21 1596 Siskiyou Yreka Creek. Comment
  POM229961  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA238920  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1021826  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou ca 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing, e side Mount Shasta); Mount Shasta, Cold Creek Comment
  CHSC96691  Juncus mertensianus Gordon Leppig; Jennifer Kalt 1996-7-9 355 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC22183  Juncus mertensianus J. O. Sawyer 1969-7-18 1418 Siskiyou Head of S Russian Creek 1829 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. 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
  HSC30705  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1205 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  UC842429  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC77129  Juncus tenuis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt road 350 m N of W Branch Guard Station 671 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  SDSU1858  Juniperus communis var. saxatilis D. F. Howe 1962-8-6 3413 Siskiyou 2438 Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  RSA758202  Juniperus occidentalis Doug Goldman 2004-12-26 3015 Siskiyou Shasta Valley, along the south side of Route A12, just north of a small hill of volcanic rock and about 2.6 miles east of the intersection with Interstate 5. 236 Comment
  UC483416  Juniperus occidentalis M. G. Anderson 1902-3-4 Siskiyou between Yreka and Humbug Creek Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  SEINET11056490  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2345 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey Station. 677 Comment
  SEINET11056610  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2341 Siskiyou Scott Mountains, head of Willow Creek, at pass and junction with FR 41N03. 1512 Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 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
  RSA238771  Keckiella lemmonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1211 Siskiyou Hot area on English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  JEPS86079  Kelloggia galioides Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass summit; Cook and Green Pass 1371 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  UC102432  Kelloggia galioides Brandegee Jul 1887 Siskiyou Sisson Comment
  CDA43045  Kochia scoparia Michael Pitcairn 2014-9-11 s.n. Siskiyou Butte Valley; Dorris. Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  UC909329  Koeleria macrantha Dorothy Parker 1948-8-19 Siskiyou summit of Scott Mountain 1582 Comment
  CHSC114323  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mi. n.e. of Macdoel, Siskiyou Co. Comment
  CAS-BOT-BC341701  Lagophylla ramosissima Louis C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River, Siskiyou Mts. 563 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
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA237895  Lathyrus nevadensis subsp. nevadensis Frederick W. Oettinger 1969-8-1 1136 Siskiyou Between English Lake and Wire Grass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCSB16533  Lathyrus polyphyllus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  UC163718  Lathyrus sulphureus Cassie Quigley 1909-5-8 707 Siskiyou Klamath River Comment
  RSA17691  Layia glandulosa subsp. glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons road near Juniper Butte, Lava Beds national Monument. Comment
  RSA238362  Ledum glandulosum var. californicum Frederick W. Oettinger 1968-8-2 349 Siskiyou S & W sides of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC103030  Lepidium campestre J. P. Smith 2014-6-7 13888 Siskiyou Yreka 844 Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  CHSC524  Lepidium perfoliatum G. Spurlock 1935-6-1 Siskiyou Comment
  POM229951  Leptosiphon bolanderi L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM259004  Leptosiphon harknessii C. L. Hitchcock, J. S. Martin 1939-7-6 5214 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC225663  Leptosiphon rattanii Volney Rattan 1903-1-1 s.n. Siskiyou Willow Creek Mountain Comment
  UC10685  Lesquerella occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1653 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  HSC43145  Lessingia nemaclada Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC342102  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  RSA659527  Leucothoe davisiae Gary D. Wallace 1990-7-1 2954 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  JEPS84274  Lewisia cotyledon L. R. Heckard with J. Hickman et al. 1986-7-17 6538 Siskiyou road end area and camp overlooking S end of Alex Hole, SE of Condrey Mountain 1980 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
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  RSA238299  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou N of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET3863117 Image available Libocedrus decurrens Dan Youngberg 1964-8-17 62 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  HSC77243  Ligusticum californicum L. P. Janeway 1983-8-16 541 Siskiyou Poker Flat 1524 Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  JEPS61987  Lilium columbianum George Butler 1908-8-3 115 Siskiyou Shackleford Creek; w Siskiyou County Comment
  HSC60155  Lilium kelleyanum D. L. Goforth 1979-7-7 226 Siskiyou Klamath National Forest, Condrey Mtn. Comment
  UC54199  Lilium kelleyanum H. M. Hall and E. B. Babcock Jun 1903 4047 a Siskiyou near Sisson (18th crossing of the Sacramento River); Sierra Nevada Mountains, Mount Shasta 1036 Comment
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  CAS-BOT-BC509379  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  SEINET8480730  Lilium pardalinum G. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley. Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC133096  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta 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
  JEPS104990  Limosella aquatica Dean W. Taylor 1996-7-27 15862 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  UC609327  Linanthus nuttallii subsp. nuttallii Eleanor Burks Hart 1938-8-20 943 Siskiyou below Red Cap 2316 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  HSC22270  Linnaea borealis subsp. longiflora J. O. Sawyer 1969-7-23 1168 Siskiyou Near Horse Range Creek. 1341 Comment
  CAS-BOT-BC416406  Linnaea borealis subsp. longiflora David D. Keck 1938-8-6 4823 Siskiyou At Del Norte Co. line, Poker Flat, Siskiyou Mts., south of summit 1341 Comment
  RSA0087563  Linnaea borealis subsp. longiflora Robert F. Thorne 1969-8-2 63329 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, vicinity of English Peak. Trail to upper English Lake, opposite jct. with Grant Creek. Comment
  HSC18961  Listera caurina J. O. Sawyer 1969-7-26 1588 Siskiyou Along Sugar Creek 1707 Comment
  POM301573  Lithocarpus densiflorus var. densiflorus Marion Ownbey, F. G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  POM106317  Lithocarpus densiflorus var. echinoides Edward Palmer 1892-7-13 2561 Siskiyou Mt. Shasta and vicinity. Comment
  RSA573399  Lithocarpus densiflorus var. echinoides H. E. McMinn 1931-6-27 2518 Siskiyou Shasta City. Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CAS-BOT-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  POM92054  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Yreka. Comment
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 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
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC269147  Lolium perenne Dr. Ed Palmer 1892-1-1 2646 Siskiyou Near Mt. Shasta Comment
  JEPS107298  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
  SEINET8589104  Lomatium californicum G. D. Butler 1911-5-18 1359 Siskiyou Dry thicket near Eureka Comment
  UC165418  Lomatium dissectum var. multifidum Geo. D. Butler 1909-5-8 746 Siskiyou hill near Yreka Comment
  HSC91133  Lomatium engelmannii Jennifer Whipple 1976-7-14 1470 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  JEPS80513  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mt. Wilderness Area Marble Mt. Wilderness Area, Marble Rim 2194 Comment
  CDA38464  Lomatium macrocarpum T. C. Fuller 1958-6-19 1799 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC22215  Lomatium macrocarpum J. O. Sawyer 1969-7-2 1037 Siskiyou Near summit above Lipstick Lake 2226 Comment
  UC923121  Lomatium macrocarpum Freed W. Hoffman 1950-7-11 3278 Siskiyou near Cedar Camp; w. Siskiyou Co. 1219 Comment
  HSC48969  Lomatium martindalei M. A. Baker 1979-5-17 727 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  SEINET193348  Lomatium nevadense var. nevadense Lincoln Constance, Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka. 762 Comment
  RSA78834  Lomatium nudicaule P. A. Munz 1952-7-2 17912 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  SEINET8756727  Lomatium nudicaule D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  UC1228815  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou roadside flat 5.2 mi. s. Yreka 792 Comment
  POM82363  Lomatium peckianum Geo. D. Butler 1910-4-9 1159 Siskiyou Dry hill near Yreka. Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 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
  POM68734  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mtn. 1220 Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC240847  Lonicera interrupta L. E. Smith 1913-5-14 s.n. Siskiyou Yreka Comment
  RSA50164  Lonicera interrupta E. K. Balls 1949-7-10 13956 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. Comment
  CAS-BOT-BC200967  Lotus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  RSA68924  Lotus crassifolius A. E. Culbertson 1943-7-12 33 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA181628  Lotus denticulatus Dorothy Parker 1950-7-2 466 Siskiyou Scott Valley 854 Comment
  UC864297  Lotus oblongifolius var. oblongifolius A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy 1371 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  RSA624978  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge. 2134 Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  JEPS85698  Lupinus albicaulis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  CHSC82791  Lupinus albicaulis var. shastensis L. P. Janeway 2002-7-12 7627 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  CAS-BOT-BC198370  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC196326  Lupinus albifrons var. flumineus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River near mouth of Scott River Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  HSC42153  Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. NE of Weed, along Hwy. 97 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  CAS-BOT-BC215176  Lupinus croceus M. L. Conrad; LeDoux; Kenney 1973-6-2 6988 A Siskiyou 17.4 miles NE of Cecilville Store, on road to Callahan 2072 Comment
  CAS-BOT-BC215181  Lupinus croceus Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy 2529 Comment
  NY15836  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  UC865433  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton; near Upton 1097 Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC144497  Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  CHSC88303  Lupinus microcarpus Jenny Marr 1993-7-1 138 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  SEINET10862660 Image available Lupinus onustus A. Arthur Heller 1905-6-15 Heller 8037 Siskiyou Near Sisson. Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  SEINET10490871  Lupinus sellulus var. sellulus David B. Dunn, Paul Gallian 1971-6-9 Dunn 17931 Siskiyou 5 mi s of macdoel, on u.s. Hwy 97; roadside in grassy valley; pinus ponderosa And pinus jeffreyi. 1158 Comment
  CAS-BOT-BC25998  Lupinus viridifolius unspecified 1905-6-1 7928 Siskiyou Dunsmuir Comment
  RSA238891  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC22088  Luzula divaricata J. O. Sawyer 1968-7-9 428 Siskiyou W of Little Duck Lake 1936 Comment
  UC1025121  Luzula divaricata Douglas Barbe 1955-8-5 361 Siskiyou growing along the trail from Big Flat to Caribou Lake (at a point nw of summit of Caribou Mountain, Salmon Mountains); Klamath Mountains, Salmon Mountains, nw of summit Caribou Mo 2407 Comment
  RSA238896  Luzula parviflora Frederick W. Oettinger 1968-9-7 752 Siskiyou Along inlet brook to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  UC177492  Madia citriodora E. L. Greene June 1876 Siskiyou Yreka Comment
  CAS-BOT-BC343993  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  UC61073  Madia exigua W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  JEPS40233  Madia gracilis Geo. D. Butler 1908-7-20 Siskiyou w side Humbug Mountain Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  POM97711  Mahonia nervosa Geo. D. Butler 1910-5-5 1287 .5 Siskiyou Humbug Mountain. Comment
  UCD139052  Maianthemum racemosum J. M. Tucker; L. K. Mann 1963-7-7 3720 Siskiyou ca. 1/4 mile north of Paradise Lake, east side of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC514180  Maianthemum stellatum John Thomas Howell 1937-7-25 13463 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC514182  Maianthemum stellatum H. E. Brown 1897-6-1 340 Siskiyou Near Mount Shasta 2133 Comment
  SEINET7881717 Image available Malacothrix floccifera H. L. Mason 1950-1 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  CAS-BOT-BC348080  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  POM114772  Melica aristata Geo D. Butler 1909-7-15 811 Siskiyou Russian Creek. 1829 Comment
  JEPS84002  Melica californica L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6437 Siskiyou 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  HSC48289  Melica subulata J. O. Sawyer, K. T. Stillman 1978-7-6 3296 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SBBG115938  Mentzelia laevicaulis F. G. Parson 1946-7-26 Siskiyou Scott Mtn Comment
  CHSC1670  Micranthes aprica V. Holt 1943-8-1 Siskiyou Marble mountains. 1828 Comment
  UCD102876  Micranthes odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Marble Mountain Wilderness Area, at the east base of Marble Mountain, headwaters of Canyon Creek. 1950 Comment
  UC166150  Micropus californicus var. californicus Geo. D. Butler 1909-5-30 990 Siskiyou near Yreka Comment
  POM35782  Microseris laciniata subsp. laciniata Geo D. Butler 1909-6-13 957 Siskiyou Oro Fino Meadows Comment
  JEPS35642  Microseris nutans W. L. Jepson Jul 17 1902-Jul 22 1902 2096 Siskiyou Devil's Backbone, western Siskiyou Devil's Backbone 1828 Comment
  UC165389  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  HSC22303  Microseris nutans J. O. Sawyer 1969-7-10 1286 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA0034610  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC144522  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson Comment
  RSA237545  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou Near Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2049 Comment
  RSA447946  Mimulus guttatus M. B. Dunkle 1944-6-25 9005 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  HSC99273  Mimulus layneae D. M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi. N of I-5 interchange along N part of Truck Village Dr. (E side of I-5) 1201 Comment
  UC1063154  Mimulus microphyllus L. Whitney 1934-6-24 7 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  SFV3392  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  HSC82262  Mimulus nanus var. jepsonii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5979 Siskiyou Fowler's Campground 1006 Comment
  POM61804  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  UC70445  Mimulus primuloides subsp. linearifolius Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CHSC106841  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR41N53 ca 1 mi N of Morgan Meadows. 1676 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET10537572  Minuartia nuttallii subsp. gregaria Mary Susan Taylor 1980-7-8 Taylor 3092 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  CHSC99584  Minuartia nuttallii var. gregaria L. P. Janeway 2008-7-22 9446 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 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
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  CHSC69081  Monardella odoratissima Vernon Oswald; Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC164002  Monardella odoratissima subsp. glauca Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mountain 1219 Comment
  SEINET10498943 Image available Monardella odoratissima subsp. glauca H. E. Brown 1897-6-1 Brown 381 Siskiyou 1084 Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1483504  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-21 3836 Siskiyou North of FS Road 44N01 near intersection with road to Lava Camp; Klamath National Forest, Medicine Make Quad. 1676 Comment
  RSA238541  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1967-8-26 332 Siskiyou Along Diamond Lake English Lake trail at a Point N-S tending ridge of Franz Peak, 0.1 mile from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220229  Monardella sheltonii H. A. Thomas; J. H. Thomas 1954-7-22 4442 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC220236  Monardella sheltonii Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  CAS-BOT-BC453479  Monotropa hypopitys H. A. Thomas; J. H. Thomas 1954-7-21 4387 Siskiyou Salmon-Trinity Mts., about 6 iles SE of Cecilville. West side of Rush Creek. 1036 Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC27685  Montia parvifolia Carl W. Mize 1972-6-8 44 Siskiyou Along the trail 351 Comment
  CAS-BOT-BC262679  Muhlenbergia asperifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10502 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  SEINET515841  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  CHSC33986  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  POM196346  Nama lobbii C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake. 1829 Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  UC1409328  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou scrib n.e. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  UC908380  Navarretia divaricata W. Bridge Cooke 1938-7-29 11405 Siskiyou Mt. Shasta 1524 Comment
  JEPS19747  Navarretia leucocephala Rimo Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  CHSC88098  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 108 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC219535  Nemophila parviflora Clarence R. Quick 1958-6-17 58 -23 Siskiyou Near Black Bear Summit south of Sawyer's [Sawyers] Bar on ridge road to Cecilville 1356 Comment
  UC1258446  Nemophila parviflora var. austiniae Maralyn A. Renner 1980-7-23 1824 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  HSC67946  Nicotiana attenuata J. P. Smith, Steve Selva 1970-7-16 4387 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  JEPS81665  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  POM95163  Noccaea Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek 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
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  CAS-BOT-BC60577  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou On north slope of Scott Mountain. 1524 Comment
  CAS-BOT-BC60594  Noccaea fendleri subsp. glauca C. L. Hitchcock; J. S. Martin 1939-7-7 5278 Siskiyou Whiskey Lake, 0.5 mile above Camp Chicago, on Sanger Peak Trail. 1463 Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  JEPS105141  Nothochelone nemorosa Dean W. Taylor 1993-7-30 13990 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC1409428  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou n of English Peak leading down to Upper English Lake (High Lake Basins, Salmon Mountains, Marble Mountain Wilderness Area); High Lake Basins, Salmon Mts., Marble Mountain Wilderness Ar 1950 Comment
  UC630382  Nothochelone nemorosa Annetta Carter 1939-8-21 1468 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake, Salmon Mountains); Salmon Mountains, above se end of Taylor Lake 2164 Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UC1409400  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou at n end of Horse Range Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC166143  Nuphar lutea subsp. polysepala Geo. D. Butler 1910-7-8 1667 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  HSC29309  Nuphar polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou Marble Mtn. Wilderness Area, English Lake near inlet 1753 Comment
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  SD61051  Oenothera tanacetifolia D. F. Howe 1964-8-5 Siskiyou 4.4 mi. south of Dorris on #97. 1280 Comment
  RSA52140  Olsynium douglasii Dorothy Parker 1948-4-11 s.n. Siskiyou Low foothills near Etna 915 Comment
  UC1733725  Olsynium douglasii var. douglasii Kay H. Beach, Frank Gould 1940-5-15 628 Siskiyou Bull Meadows Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  RSA0066438  Orobanche fasciculata Frederick W. Oettinger, Robert Thorne 1969-8-4 1176 Siskiyou North of Tobacco Lake. 1889 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  UC1190151  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  UC1408765  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou North of English Peak on way down to Upper English Lake. 1950 Comment
  UC166594  Orthilia secunda Geo. D. Butler 1908-8-4 57 Siskiyou Head of Shackleford Creek Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  CAS-BOT-BC458076  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  SEINET6976054  Orthilia secunda M. K. Solecki, J. B. Taft 1986-9-13 2159 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction, Marble Mountain Wilderness. Comment
  CAS-BOT-BC266616  Orthocarpus cuspidatus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 miles NW of Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  JEPS16355  Orthocarpus cuspidatus subsp. copelandii Peter H. Raven 1956-9-4 10388 Siskiyou ridge s Mount Eddy; s of Mount Eddy 2286 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  POM43433  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek. 1372 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  HSC22171  Osmorhiza berteroi J. O. Sawyer 1969-7-24 1199 Siskiyou W of Sugar Lake 1890 Comment
  UCD77895  Osmorhiza berteroi Robert E. Preston 2001-6-23 1629 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, 1706 Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  UCD77896  Oxyria digyna Robert E. Preston 2002-7-14 1934 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  HSC30484  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou NE facing slope above Tanner Peak Trail, 400 yards down from English Peak Trail. 2134 Comment
  UC128685  Packera streptanthifolia A. A. Heller 1905-6-20 8076 Siskiyou Gazelle Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  CDA3568  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  CAS-BOT-BC175508  Parnassia fimbriata J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  RSA183700  Parnassia fimbriata Gilbert Muth 1965-8-17 230 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC202866  Paxistima myrsinites Geo. B. Grant 1902-9-9 s.n. Siskiyou Sisson Comment
  UC133560  Paxistima myrsinites A. A. Heller 1905-6-5 7976 Siskiyou between Shasta Retreat Shasta Springs Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  JEPS74416  Pedicularis bracteosa var. flavida W. J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  CAS-BOT-BC266657  Pedicularis contorta John Thomas Howell 1937-7-24 13405 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC1836  Pedicularis contorta V. Holt 1942-9-6 Siskiyou Caribou Lake, Trinity Alps. 2286 Comment
  HSC294  Pedicularis contorta William J. Ferlatte 1965-8-17 397 Siskiyou Caribou Basin 1982 Comment
  UC1483475  Pedicularis howellii Maralyn A. Renner 1980-7-24 1944 Siskiyou above Lily Pad Lake (Pacific Crest Trail); Klamath National Forest 1798 Comment
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  CHSC1846  Pedicularis racemosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 1981 Comment
  UC618697  Pellaea brachyptera W. Bridge Cooke 1938-6-17 11036 Siskiyou Mt Shasta along Sisson Southern Trail Mt Shasta 1371 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  UC1560411  Penstemon anguineus E. Joyal and D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp-Takilma Road at turn-off to Bolan Lake 1524 Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  JEPS45933  Penstemon cinereus Rimo Bacigalupi and L. R. Heckard 1966-6-13 9177 Siskiyou along Bolam Logging Road (n base of Mt. Shasta); , along Bolam logging road 1432 Comment
  RSA17738  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  POM256802  Penstemon cinereus D. D. Keck 1940-6-13 5174 Siskiyou 9 miles S of Macdoel, on Hwy 97 between Dorris and Weed 1463 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC91150  Penstemon davidsonii Jennifer Whipple 1976-7-25 1583 Siskiyou N slopes of Mt. Eddy 2561 Comment
  RSA105343  Penstemon davidsonii subsp. davidsonii G. D. Barbe 1955-8-1 324 Siskiyou Summit of Mt Bolivar. Scott Mtns. 2470 Comment
  CAS-BOT-BC265370  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  CAS-BOT-BC265372  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  UC618804  Penstemon deustus var. suffrutescens David D. Keck 1938-6-17 11043 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail (on the lava outcropping along the trail) Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  UCD124177  Penstemon gracilentus Jack Major 1961-7-14 653 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  SEINET10964580  Penstemon gracilentus Mary Susan Taylor 1980-8-18 Taylor 3262 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  NY603843  Penstemon humilis var. humilis G. Schoolcraft 1985-6-18 1433 Siskiyou Mahogany Mountains 1706.9 Comment
  NY1012498  Penstemon laetus subsp. sagittatus M. D. Strickler 1994-6-28 94-/ 30 -22 Siskiyou Shasta National Forest. 6.4 miles up the Everitt Memorial Highway from Mount Shasta, California Comment
  CAS-BOT-BC105087  Penstemon laetus var. sagittatus R. C. Wenk 2008-7-25 956 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93 / Cecilville Rd. (6,200 ft) to Hidden Lake (6,660 ft) 2029 Comment
  NY604565  Penstemon laetus var. sagittatus C. L. Hitchcock 1939-7-6 5210 Siskiyou On Takilma-Happy Camp road 1676.4 Comment
  NY604566  Penstemon laetus var. sagittatus C. L. Hitchcock 1954-6-22 20232 Siskiyou Ca. 6 miles north of Somes Bar on road to Camp Three. Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC663  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-9 679 Siskiyou Kidd Creek Trail 1768 Comment
  HSC63251  Penstemon newberryi subsp. berryi M. A. Baker 1979-7-30 1078 Siskiyou Draw W of Rainy Lake Comment
  CAS-BOT-BC239333  Penstemon newberryi var. berryi Alice Eastwood No date on label s.n. Siskiyou Mount Shasta Comment
  CHSC1880  Penstemon parvulus V. Holt 1943-7-10 Siskiyou Marble mountains. 1828 Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC77278  Penstemon parvulus L. P. Janeway 1983-8-13 531 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  RSA238759  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou West end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS74525  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  HSC82288  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-15 4811 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  RSA50197  Penstemon roezlii E. K. Balls 1949-7-8 13907 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC922662  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1948-9-4 5578 Siskiyou half way between Somesbar and forks of Salmon River; Siskiyou Mts Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC222757  Perideridia leptocarpa H. A. Thomas; J. H. Thomas 1954-7-23 4455 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  UC1312870  Perideridia oregana L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou US Hwy 99W 1.5 mi n Edgewood turnoff 91 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  UC1351727  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou between campground and S. Fork of Salmon R.; Trinity Alps, Big Flat 1524 Comment
  JEPS37160  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  UC1177549  Phacelia Lincoln Constance and Rimo Bacigalupi 1959-6-16 3673 Siskiyou w slope of mt 3.6 mi above Mt. Shasta (city) (on road to Panther Meadows); Mt. Shasta 1524 Comment
  SEINET10638471 Image available Phacelia cookei Lawrence R. Heckard 1969-6-24 Heckard 2294 Siskiyou Prostrate in volcanic sand at edge of old road. Region of scattered yellow pine, juniper, Artemisia tridentata. With Nama densum. At junction of the old Military Pass Road and U.S. Highway 97, north of Mt. Shasta. 1341 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC69519  Phacelia corymbosa Maralyn A. Renner 1980-6-26 1289 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  HSC65660  Phacelia egena J. P. Smith 1973-5-5 6423 Siskiyou Along Cook and Green Pass Rd. Comment
  SD104876  Phacelia heterophylla Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 3.0 miles southeast of Ca. Highway 97, near Grenada. Comment
  HSC65628  Phacelia heterophylla subsp. virgata J. P. Smith 1976-5-22 8784 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  RSA789606  Phacelia heterophylla subsp. virgata R. W. Spjut, Paul Burchstead 2008-6-10 16337 Siskiyou Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5. 1158 Comment
  JEPS25769  Phacelia leonis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7460 Siskiyou along Del Norte-Siskiyou co. boundary about 13 mi nw Happy Camp (meadow of valley); Siskiyou Mts., Indian Creek drainage, Twin Valley 1524 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
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  SD72084  Phacelia mutabilis W. B. Cooke 1939-7-7 13603 Siskiyou Mt. Shasta. Below Wagon Camp. 1737 Comment
  SEINET3121757 Image available Phacelia mutabilis John Thomas Howell 1937-7-22 13328 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  UC1286475  Phacelia mutabilis W. B. and V. G. Cooke 1963-7-10 32467 Siskiyou n side Mt. Shasta (along Bolam logging rd) Comment
  RSA120908  Phacelia pringlei Milo S. Baker 1957-6-16 13128 Siskiyou Scott Mountain. 1768 Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  HSC29425  Philadelphus californicus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1200 Siskiyou Marble Mtn. Wilderness Area, above Willow Spring on English Lake trail 1677 Comment
  CAS-BOT-BC77418  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5055 Siskiyou Near Sawyers Bar Comment
  HSC19151  Philadelphus lewisii J. O. Sawyer 1969-7-11 853 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  UC909474  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest Comment
  HSC694  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail, densely wooded canyon. 2134 Comment
  RSA602583  Phleum alpinum L. C. Wheeler 1935-7-26 3713 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  CAS-BOT-BC250953  Phleum pratense Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  JEPS124892 Image available Phlox diffusa Himayat H. Naqvi 1965-7-14 113 Siskiyou 100 feet north of ski bowl building, Mount Shasta. Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  JEPS26563  Phlox speciosa subsp. occidentalis Lauramay T. Dempster 1961-7-3 1872 Siskiyou se of Callahan (w face of Scott Mountain); Scott Mountain Comment
  UC164050  Phoradendron densum Geo. D. Butler 1908-7-16 1071 Siskiyou Klamath R. Comment
  CAS-BOT-BC56492  Phyllodoce empetriformis Doris K. Kildale 1928-8-19 6581 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  SD76174  Phyllodoce empetriformis Helen V. Witham 1969-10-9 610 Siskiyou Panther Meadow, Mt. Shasta. 2400 Comment
  SEINET3108276  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Collected in the environs of Devil's Punchbowl. Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC56487  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  RSA183728  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Near summit of Marble Rim. 1982 Comment
  HSC189  Physaria occidentalis William J. Ferlatte 1967-6-29 575 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC140596  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC31543  Physocarpus capitatus Steve Selva, Roger Jensen 1974-8-23 38 Siskiyou Along trail to Devils Punchbowl Comment
  CAS-BOT-BC78175  Picea breweriana John Thomas Howell; Gordon H. True 1972-6-8 48853 Siskiyou south summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC78176  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  NY30145  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC58929  Pinguicula macroceras Marvin Butler 1971-8-8 68 Siskiyou Near Bell Echo Camp, close to the town of Cave Jct. 1433 Comment
  HSC103156  Pinus albicaulis Michael Kauffmann 2013-8-7 18 Siskiyou South China Mountain 2395 Comment
  CAS-BOT-BC78321  Pinus attenuata Doris K. Kildale 1929-4-29 7480 Siskiyou Cecilville Comment
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  HSC1364  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy near Deadfall Lake, Bulk Collection # 93 2226 Comment
  SBBG25361  Pinus balfouriana J. M. Tucker, L. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Marble Wilderness Area 2133 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  CAS-BOT-BC73098  Pinus lambertiana Doris K. Kildale 1929-4-27 7496 Siskiyou Cecilville Comment
  CAS-BOT-BC78774  Pinus lambertiana Doris K. Kildale 1929-5-26 9187 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC78782  Pinus lambertiana Carl B. Wolf 1927-8-27 1124 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  HSC36706  Pinus lambertiana Brent Whitely 1975-6-28 103 Siskiyou 915 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
  UC60968  Pinus lambertiana Kate Stirring 1914-9-25 Siskiyou Etna Mills Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  JEPS88723  Pinus monticola Gilbert Muth 1965-8-8 193 Siskiyou trail backside Black Mountain; Marble Mt. Wilderness Area, Black Mountain Comment
  UC725971  Plagiobothrys A. A. Heller 1929-5-4 14859 Siskiyou Yreka Comment
  CHSC93545  Plagiobothrys bracteatus Lowell Ahart; John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  SBBG68796  Plantago A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley Comment
  POM196578  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou Near Gazelle, Shasta Valley. Comment
  HSC27796  Platanthera dilatata var. leucostachys J. D. Ackerman 1973-7-21 107 Siskiyou South Fork Sacramento River Comment
  JEPS64400  Platanthera leucostachys Willis L. Jepson 1894-8-4 21274 Siskiyou Mt. Shasta Comment
  HSC4863  Platanthera sparsiflora J. O. Sawyer 1968-7-10 506 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC58910  Platanthera sparsiflora Marvin Butler 1971-7-29 237 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  RSA237641  Platanthera stricta Frederick W. Oettinger 1967-7-30 217 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UCSB22015  Plectritis congesta Smith, Dale 1968-5-10 Siskiyou Roadside, 6 miles north of Yreka Comment
  RSA47970  Plectritis macrocera subsp. grayi Roxana S. Ferris, Laura Lorraine 1948-6-12 11827 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  UC196931  Poa annua Geo. D. Butler 863 Siskiyou along creek near Yreka Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  HSC34093  Poa pratensis J. O. Sawyer 1969-7-18 1433 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC92144  Poa pratensis Jennifer Whipple 1976-7-2 1245 Siskiyou Near Durney Lake. 2073 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  CAS-BOT-BC256016  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
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC247527  Poa pringlei Wm. Bridge Cooke 1938-7-25 11368 Siskiyou Mount Shasta. North Ridges Comment
  UC144151  Poa pringlei Copeland 1903-10-7 3792 Siskiyou Mt Eddy Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  JEPS117863  Poa secunda subsp. secunda J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -19 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  JEPS84091  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6434 Siskiyou ca 5 mi n Seiad Valley town (e slope of Kangaroo Mt, cirque head of Hell's Canyon) 1828 Comment
  HSC67787  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3755 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD91743  Poa wheeleri R. Tofsrud 1948-8-1 s.n. Siskiyou Pather Meadow, Mt. Shasta. 2438 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UC449766  Polemonium occidentale J. W. Congdon 1900-8-9 Siskiyou Sissons , Sissons (Shasta Region) Comment
  JEPS83036  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou U.S. Highway 97 0.8 mi s Bray junction (Murphy Wells); , s of Bray junction 1493 Comment
  JEPS93852  Polyctenium fremontii var. fremontii Vernon H. Oswald and Lowell Ahart 1998-6-11 9200 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC164033  Polygonum convolvulus Geo. D. Butler 1908-7-17 1068 Siskiyou along creek near Yreka Comment
  RSA237799  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 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
  UC454081  Polygonum davisiae I. J. Condit 1909-8-23 Siskiyou Castle Lake Sisson 2133 Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  POM104491  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek. 1220 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  SEINET3399368 Image available Polygonum minimum J. M. Tucker, L. K. Mann 1963-8-17 3743 Siskiyou Red Rock Valley, near top of ridge, Marble Mountain Wilderness Area Comment
  UC1191244  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  UCD100571  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC109282  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Between Horse Camp and the Spring, Mount Shasta. Comment
  LA51270  Polygonum shastense William Bridge Cooke; 1939-8-8 13839 Siskiyou Mount Shasta, vicinity of Horse Camp Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  UCD77939  Polygonum shastense Robert E. Preston 2001-8-26 1766 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of ne 1/4 Section 23 1975 Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  POM265991  Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC10848  Polypogon monspeliensis R. C. Wunner 1965-9-1 502 Siskiyou Lava Beds National Monument. NW boundary at end of dike. By shore of Tule Lake. Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  RSA105443  Polypogon monspeliensis G. D. Barbe, Milo S. Baker 1955-7-4 88 Siskiyou 10 miles south of Etna on Parrot Mill Road. 976 Comment
  CHSC36  Polystichum imbricans V. Holt 1932-8-17 Siskiyou Spring Hill. 1219 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
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC76773  Polystichum imbricans subsp. imbricans E. L. H. Knoche 1890-5-31 s.n. Siskiyou Moshrae Falls, Sacramento River Comment
  UC1076339  Polystichum lemmonii Dorothy Tebbe 1929-6-28 26 Siskiyou Mt. Eddy Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  RSA105460  Polystichum lemmonii G. D. Barbe 1955-7-26 287 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  UCSB17940  Polystichum lemmonii Hardham, Clare 1961-7-3 Siskiyou S of Calahan, Scott Mountains. Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  SEINET10929408  Polystichum munitum Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7017 Siskiyou Matthew's Creek Campground on S fork of Salmon River. 549 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  HSC75254  Polystichum scopulinum J. O. Sawyer, M. Mesler 1980-8-12 4046 Siskiyou Lower W peak of Box Camp Mtn. Comment
  UC54209  Populus tremuloides H. M. Hall and E. B. Babcock June, 1903 4080 Siskiyou along streams in Shasta Valley Shasta Valley (Mount Shasta); , Shasta Valley 914 Comment
  JEPS94388  Porterella carnosula Vernon Oswald and Lowell Ahart 1997-7-28 8806 Siskiyou 10.9 mi n of Highway 89 (on the e side of Forest Route 15); Forest Route 15 1383 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  HSC65286  Potentilla breweri Rich White 1978-7-6 253 Siskiyou Pond above Elk Hole 1524 Comment
  RSA0005664  Potentilla cristae William J. Ferlatte 1988-8-10 2115 Siskiyou North-facing slope E of Cory Peak, above headwaters of Cabin Meadow Creek. 2195 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UCD113826  Potentilla drummondii J. M. Tucker; L. K. Mann 1963-7-5 3705 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 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 R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCR37851  Potentilla glandulosa subsp. nevadensis K. T. Stillman 1976-6-26 123 Siskiyou Marble Mountain Wilderness Area, near Bear Lake 1829 Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UC1124448  Prunella vulgaris var. lanceolata L. Whitney 1934-6-24 6 Siskiyou Antelope Creek Tennant (Tennant); Dorris Quad., Antelope Creek Comment
  CAS-BOT-BC158216  Prunus emarginata Doris K. Kildale 1929-7-20 8676 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM257200  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  RSA453222  Prunus emarginata Christopher Davidson 1975-6-5 2650 Siskiyou 2.7 miles E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1311 Comment
  SBBG25356  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake, at base on E side of Kings Castle 1981 Comment
  UC1971317  Prunus emarginata Louis C. Wheeler 1952-9-17 6943 Siskiyou Comment
  UC466756  Prunus emarginata Annie M. Alexander and Louise Kellogg 1911-6-15 144 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  UC1128442  Prunus virginiana var. demissa M. H. Mitchell 1936-5-12 Siskiyou n side of Eaglenest, Modoc Lava Beds National Monument Eaglenest; Modoc Lava Beds National Monument, Eaglenest 1584 Comment
  UC60883  Prunus virginiana var. demissa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  JEPS101140  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1996-6-18 15722 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  UC1130634  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 mi nw of Paradise Gragg 731 Comment
  CAS-BOT-BC80165  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC80166  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  UC60994  Pseudotsuga menziesii var. menziesii Kate Stirring 1904-9-25 Siskiyou Etna Mills 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
  HSC36705  Pteridium aquilinum var. pubescens Brent Whiteley 1975-6-23 44 Siskiyou 223 Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  HSC2601  Pterospora andromedea William J. Ferlatte 1966-8-19 445 Siskiyou Kidd Creek Trail. 1707 Comment
  CAS-BOT-BC460546  Pterospora andromedea Wm. Bridge Cooke 1939-7-28 13793 Siskiyou Mount Shasta: Along the Sisson Southern Trail 1676 Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  UCD91860  Puccinellia distans Robert Slayback; O. K. Hoglund 1965-7-1 s.n. Siskiyou 1 mile east of the Lower Klamath National Wildlife Refuge. 70 Comment
  CAS-BOT-BC147909  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC860303  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  JEPS19283  Pycnanthemum californicum Willis L. Jepson Jul 24 1894-Aug 10 1894 14895 Siskiyou near Sissons (Region of the Upper Sacramento); Upper Sacramento Region, near Sissons Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  HSC30459  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou Marble Mtn. Wilderness Area, inlet to Upper English Lake 1768 Comment
  HSC44585  Pyrola asarifolia subsp. asarifolia Laura Witherspoon 1977-7-30 Siskiyou Periphery of Flint Valley 1341 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UCD77972  Pyrola dentata Robert E. Preston 2001-7-21 1704 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1920 Comment
  UC32711  Pyrola picta W. C. Blasdale 1894-7-1 Siskiyou Mount Shasta Comment
  UC479140  Pyrola picta Marcus E. Jones 1931-7-17 29062 Siskiyou Shasta City Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC466132  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  CAS-BOT-BC466151  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  SEINET8205865  Pyrola picta R. Waring 1964-8-26 555 Siskiyou Red Butte, on southern boundary of Rogue River Nat'l Forest. 1737 Comment
  POM270211  Quercus chrysolepis George B. Grant 1902-09 s.n. Siskiyou Dunsmuir, N. California. Comment
  RSA476553  Quercus chrysolepis Edwin Kline 1920-6-17 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC94651  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  UC767803  Quercus garryana Wm. H. Brewer 1862-1 1462 Siskiyou near Shasta Comment
  UCR18737  Quercus garryana Frank C. Vasek 1975-6-29 750629- 08 A Siskiyou 2.3 mi. east of Callahan Comment
  UCD46153  Quercus garryana Edward Lee 1934-8-15 1126 Siskiyou Summit of Happy Camp- Waldo (one) Road. Indian Creek watershed. Klamath National Forest. 1615 Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237814  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou Growing just SW of the brook on the W side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA82773  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp. 335 Comment
  CAS-BOT-BC105469  Quercus kelloggii D. E. Breedlove 1962-6-10 3319 Siskiyou on the N bank of the Klamath River at its junction with Goff Creek, 4.5 miles W of Seiad 411 Comment
  UC338624  Quercus kelloggii unknown Siskiyou near Shasta Comment
  UC60993  Quercus kelloggii Geo. B. Grant Sep 1902 5197 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  HSC68333  Quercus sadleriana Maralyn A. Renner 1980-6-26 1237 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  RSA237783  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Along the north shore of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC166048  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou Oro Fino Creek Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC13928  Ranunculus glaberrimus F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  CDA24325  Ranunculus glaberrimus F. D. Horn 1979-4-13 Siskiyou Grasslake, summit, Highway 97, northeast of Weed. 0 Comment
  UC1333320  Ranunculus uncinatus Dorothy Parker 1949-5-26 Siskiyou near Wildcat Creek; Salmon Mountains Range 1188 Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
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Jan 24 2013
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  UC80229  Rhamnus rubra Dr. E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  SFV2668  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  UC163756  Rhus trilobata Geo. D. Butler 1908-7-4 1033 Siskiyou near mouth Shasta River Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC165928  Ribes aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  RSA459477  Ribes binominatum M. B. Dunkle 1944-7-26 9038 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC108780  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou Southwest end of Little Shasta Valley, 12 miles northeast Weed on U.S. Highway #97 at junction with road to Montague. 883 Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  RSA0024876  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou SW end Little Shasta Valley, 12 miles NE. US Highway 97 at junction with rd. to Montague. 884 Comment
  RSA0024874  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  UC642577  Ribes inerme var. inerme W. Bridge Cooke 1939-7-21 13702 Siskiyou in the vicinity of the outlet of the Municipal Spring above Howard; Mount Shasta Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CAS-BOT-BC168872  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  JEPS49408  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  UCD102256  Ribes inerme var. klamathense John Sawyer 1977-7-7 3041 Siskiyou Just north of Sugar Creek on State Route 3. Scott Valley. 975 Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  CAS-BOT-BC173301  Ribes lacustre Harley P. Chandler 1901-6-1 1561 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  HSC19427  Ribes lacustre J. O. Sawyer 1968-9-11 697 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  HSC33983  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS84055  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6297 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  CAS-BOT-BC217881  Ribes nevadense Marcus E. Jones 1931-7-17 29003 Siskiyou Shasta City (Session's) Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  RSA0023151  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp. Comment
  CAS-BOT-BC200008  Ribes roezlii var. cruentum William A. Dayton 1913-6-13 209 Siskiyou Shasta National Forest. E. Fk of Scott River range opposite China Mt. 1706 Comment
  RSA0024600  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino. Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  JEPS8478  Ribes sanguineum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp road Comment
  UC375359  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  UC857970  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou base of lava flow 8 mi n Weed (along U.S. Highway 97) Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  JEPS107442  Rigiopappus leptocladus Lowell Ahart, John Dittes 2005-6-10 12086 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
  UC163900  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou near Yreka Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  HSC13752  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  CHSC65221  Rorippa columbiae V. Parker; J. Cooper, M. Ulloa-Cruz 1994-5-25 600 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Dry Lake area. Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  SBBG30531  Rorippa curvisiliqua D. Myrick 1968-6-26 2032 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CDA25118  Rorippa curvisiliqua T. C. Fuller 1962-8-3 9512 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  UCR37539  Rorippa curvisiliqua var. orientalis L. P. Janeway 1983-8-27 620 Siskiyou Along Poker Flat / Twin Valley trail 1677 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC768890  Rosa eglanteria Doris K. Kildale 1930-5-31 9805 Siskiyou island in river near Hornbrook; Klamath River 609 Comment
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Jan 25 2013
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  HSC19384  Rosa gymnocarpa J. O. Sawyer 1968-7-10 487 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC29496  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Diamond Lake 1951 Comment
  HSC61514  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  CAS-BOT-BC147074  Rosa pisocarpa A. A. Heller 1919-6-27 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC147077  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC29495  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Marble Mtn. Wilderness Area, Wire grass meadow near English Lake 1799 Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  CAS-BOT-BC147135  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  HSC99690  Rubus lasiococcus G. L. Clifton 1979-7-1 6177 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CDA15528  Rubus leucodermis G. F. Hrusa 1998-7-5 14696 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  LA208219  Rubus leucodermis W. B. C.; 1939-7-14 13698 Siskiyou Mount Shasta, along the Sisson Southern Trail 1981 Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC36723  Rubus parviflorus Brent Whitely 1975-6-28 74 Siskiyou 915 Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  SEINET7706892  Rubus parviflorus G. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  POM91435  Rubus parviflorus var. hypomalacus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1220 Comment
  LA208247  Rubus ursinus Wm. Bridge Cooke; 1939-7-14 13689 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CDA8560  Rudbeckia occidentalis T. C. Fuller 1962-8-3 9508 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  RSA237971  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC433693  Rumex obtusifolius Ira L. Wiggins 1955-7-25 13507 Siskiyou On Rush Creek, Mountain View Ranch 1005 Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  POM106926  Salix exigua Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek. Comment
  SBBG28796  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  HSC76988  Salix jepsonii K. T. Stillman 1976-6-25 77 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UCSB10874  Salix lasiandra Bracelin, H. 1931-6-21 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City; Flat beside creek, at bridge, about 1.3km east of Burny Mill 1110 Comment
  CAS-BOT-BC125481  Salix lasiandra var. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalfs ranch, northeast base of Mt. Eddy 1371 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  JEPS13072  Salix lasiandra var. lasiandra J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107079  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  CAS-BOT-BC124536  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  POM219902  Salix lemmonii H. P. Bracelin 1931-6-20 448 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  SJSU180  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy c.13 km NW of Shasta city 1112 Comment
  UC1409270  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou above wiregrass meadow <in> English Lake Basin Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1706 Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC128970  Salix sitchensis John Thomas Howell 1939-8-5 15079 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC128972  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou Beyond head of Big Flat, in woods, near south fork of Salmon River 1615 Comment
  CAS-BOT-BC220738  Salvia W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UC1124683  Salvia dorrii var. dorrii M. H. Mitchell 1936-5-21 Siskiyou Frozen River Cave; Modoc Lava Beds National Monument, Dorris Quad. 1356 Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  CAS-BOT-BC235044  Sambucus W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek, Meadows, Salmon Mts. Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  HSC22467  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1369 Siskiyou Above S Russian Creek. 2012 Comment
  UC1733770  Sanicula Kay H. Beach 1940-5-15 631 Siskiyou Bull Meadows Comment
  HSC61165  Sanicula graveolens Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  UC1733806  Sanicula graveolens Kay H. Beach, Frank Gould 1940-5-15 620 Siskiyou upper Bull Meadows. Comment
  HSC46730  Sanicula graveolens William J. Ferlatte 1974-7-15 1543 Siskiyou Dorleska summit, W side of Grouse Ridge just below summit 2134 Comment
  JEPS74411  Saponaria officinalis W. B. and V. G. Cooke 1974-8-20 49245 Siskiyou Everett Memorial Highway Mt. Shasta (Mt. Shasta) Comment
  UCR28722  Saponaria officinalis John C. Roos 1948-9-2 4019 Siskiyou Hills just north of Shasta City. Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  JEPS25636  Saxifraga ferruginea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7275 Siskiyou Poker Flat 1536 Comment
  UCR80260  Saxifraga fragarioides L. C. Wheeler 1934-8-2 3015 Siskiyou Siskiyou Mtns, Alex hole, Alex Canyon 1890 Comment
  JEPS43065  Saxifraga marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou near Upper Cottei [i.e., Cuddihy] Valley; Marble Mountains, North Coast Ranges Comment
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Jun 23 2010
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  POM354594  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Marble Mts., Klamath National Forest. Comment
  UC702903  Saxifragopsis fragarioides Lester Rowntree 1937-7-21 Siskiyou Caribou Lake Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  POM211402  Schedonorus pratensis L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  HSC30683  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog due E of English Lake outlet 1829 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1152064  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou in swamp about 5 mi se Elk Valley (Flint Valley); se of Elk Valley, Flint Valley 1432 Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  HSC101238  Sedum laxum subsp. heckneri P. F. Zika 2011-7-19 25640 Siskiyou W side of FS Rd. 1040, 2.9 road miles above junction with FS Rd. 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  HSC100079  Sedum oblanceolatum G. L. Clifton, Griswold 1979-6-28 6139 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC64646  Sedum obtusatum subsp. boreale Alice Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  HSC19535  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-7 1087 Siskiyou Little Duck Lake 1966 Comment
  HSC19536  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1510 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  HSC19545  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-9 1237 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC59371  Sedum obtusatum subsp. retusum Thomas W. Nelson, J. P. Smith 1979-6-15 4809 Siskiyou Along road to Carmen Lake, 1 mi. from junction with State Rte. 3 1585 Comment
  JEPS121416  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 Comment
  UC205172  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UCR143036  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-14 3122 Siskiyou Klamath Ranges; Siskiyou Mountains, 0.5 mile west of White Mountain 1921 Comment
  CAS-BOT-BC496370  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CAS-BOT-BC363938  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  JEPS37654  Senecio integerrimus var. exaltatus Geo. D. Butler 1908-4-28 701 Siskiyou near Fort Jones; McAdams Creek Comment
  HSC2373  Senecio integerrimus var. major William J. Ferlatte 1966-6-23 147 Siskiyou Big Flat, near public camp 1524 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  CAS-BOT-BC364447  Senecio triangularis Wm. Bridge Cooke 1938-9-8 11678 Siskiyou Mount Shasta. Panther Creek Meadow Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  CAS-BOT-BC213141  Sidalcea Doris K. Kildale 1928-7-25 5878 Siskiyou Klamath River near Hamburg 457 Comment
  UC1034574  Sidalcea asprella subsp. nana Douglas Barbe 1955-7-26 271 Siskiyou nw Scott Mtn; Klamath Mountains, nw slope Scott Mtn 1828 Comment
  UC61159  Sidalcea malviflora subsp. asprella W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  HSC46130  Sidalcea malviflora subsp. nana J. P. Smith 1976-5-5 8703 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS67292  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud 975 Comment
  HSC46140  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-27 4516 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  LA205947  Sidalcea oregana subsp. spicata Wm. Bridge Cooke; 1940-7-5 15229 Siskiyou Mount Shasta, Bear Springs meadow 1523 Comment
  UC166111  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  HSC42968  Silene campanulata subsp. greenei J. O. Sawyer, Ken Stillman 1976-5-29 2748 Siskiyou Along Specimen Creek. 1433 Comment
  CAS-BOT-BC387059  Silene douglasii W. B. Cooke; V. G. Cooke 1965-7-12 35180 Siskiyou Bolam road, Mt Shasta 1524 Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  CHSC34833  Silene grayi M. S. Taylor 1980-8-19 3268 Siskiyou Paint Pot Crater. 1920 Comment
  HSC65007  Silene grayi D. L. Goforth 1979-7-19 257 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi NW of upper lake 2134 Comment
  UC157929  Silene grayi Milo S. Baker Aug 1897 Siskiyou near top Medicine Lake Mts.; near top of Medicine Lake Mts. Comment
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  CAS-BOT-BC388945  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou Pumice Stone Mt. 2103 Comment
  UC1299624  Silene grayi Freed W. Hoffman 1950-7-14 3636 Siskiyou Clear Creek trail , Clear Creek trail (western Baldy Mountain) Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  HSC19440  Silene lemmonii J. O. Sawyer 1969-6-12 902 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC389532  Silene menziesii John Thomas Howell 1937-7-23 13184 A Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS51011  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  JEPS51016  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  JEPS107671  Sisymbrium altissimum Lowell Ahart, John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC1096832  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou just s of Weed; North Coast Ranges Comment
  RSA113633  Sisymbrium altissimum R. McP Brown 1956-7-20 s.n. Siskiyou Lava Beds National Monument, Captain Jack s Stronghold. Comment
  UC3906  Smilax californica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  JEPS84277  Solanum umbelliferum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6311 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 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
  UCD136055  Solidago K. M. Meyer; A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 miles on NF Road 17, off US Highway 97. 1607 Comment
  RSA237487  Solidago canadensis subsp. elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Tobacco Lake Meadow, The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  HSC29090  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  CAS-BOT-BC365556  Solidago elongata L. E. Smith 1915-7-11 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC339860  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC365250  Solidago velutina subsp. californica Carl B. Wolf 1927-8-26 1015 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  RSA105360  Sorbus californica G. D. Barbe 1955-7-9 155 Siskiyou S side of Kangaroo Lake. Scott Mtns. 1829 Comment
  UC642589  Sorbus californica W. B. Cooke 1939-6-30 13576 Siskiyou along Sisson Southern Trail; Mount Shasta 1981 Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  UC44991  Sorbus scopulina var. cascadensis Geo. D. Butler 1930-7-20 281 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  UCD99281  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC34316  Sphenosciadium capitellatum J. P. Smith, J. O. Sawyer 1973-8-15 7330 Siskiyou Along Shakleford Creek 1524 Comment
  CAS-BOT-BC149691  Spiraea douglasii John Thomas Howell 1937-7-22 13275 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC68439  Spiraea splendens var. splendens Maralyn A. Renner 1980-7-4 1390 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  UC143404  Spiranthes romanzoffiana Dr. E. B. Copeland 1903-8-17 3927 Siskiyou Dietz' Spur 1158 Comment
  UC1483507  Stachys ajugoides var. rigida Maralyn A. Renner 1980-8-31 2670 Siskiyou at trailhead to Twin Valley (Poker Flat); Klamath National Forest, Preston Peak Quad. 1524 Comment
  UC618685  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11394 Siskiyou Bear Springs Mount Shasta 1524 Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC27640  Stachys pycnantha Carl W. Mize 1972-6-21 74 Siskiyou Along main trail 305 Comment
  HSC34128  Stachys rigida J. O. Sawyer 1969-7-23 1181 Siskiyou Along Horse Range Creek 1555 Comment
  HSC63581  Stachys rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground. 823 Comment
  HSC67726  Stachys rigida John Palmer 1980-8-12 688 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA211086  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-2 242 Siskiyou Trinity Alps. Big Flat. Wooded area near public camp. 1524 Comment
  HSC58880  Stachys rigida var. rigida Marvin Butler 1971-8-11 306 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction 1 Comment
  HSC61457  Stachys rigida var. rigida Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA0018473  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage. 1433 Comment
  HSC61988  Stenanthium occidentale Ruby Van Deventer 25 Jul [year missing] Siskiyou Rattlesnake Meadow 1524 Comment
  UC35792  Stephanomeria lactucina Milo S. Baker 1893-6 Siskiyou near Mott; Squaw Valley Mts. 1524 Comment
Read comments
Aug 25 2006
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CDA8849  Stephanomeria paniculata T. C. Fuller 1963-8-27 11159 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  UCD136235  Stephanomeria paniculata L. D. Gottlieb 1966-7-24 6679 Siskiyou Shasta Ski Bowl Road, near 1.25 mile post, Mt. Shasta. 1219 Comment
  HSC30534  Stipa occidentalis var. californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1156 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  SJSU11314  Stipa occidentalis var. occidentalis S. H. Casey 1981-7-4 1207 Siskiyou Siskiyou Pass, Siskiyou Mts. 2 mi W of Cook & Green Pass, c. 7 mi N of Seiad Valley 1706 Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  SEINET3149307  Streptanthus orbiculatus M. S. Baker 1898-8-1 495 Siskiyou Medicine Sake Mts. Comment
  HSC591  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  SFV1525  Streptanthus tortuosus J. Major 1961-7-14 636 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  SJSU8319  Streptanthus tortuosus M. R. Kempf 1965-7-13 309 Siskiyou slope above Horse Camp, SW slope of Mt Shasta 2438 Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  UC1409355  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC516430  Streptopus amplexifolius Doris K. Kildale 1928-7-4 5479 Siskiyou 3 miles west of summit of divide between Sawyers Bar and Etna Comment
  CAS-BOT-BC516432  Streptopus amplexifolius Doris K. Kildale 1929-8-24 9080 Siskiyou Rattlesnake Meadow, near Preston Peak, Whiskey Lake 1524 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  JEPS83580  Suaeda calceoliformis 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
  UC412598  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 24 Siskiyou near Sisson; Castle Lake 1524 Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA477512  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 -a Siskiyou Between California State line and the Agricultural Inspection Station. Comment
  CAS-BOT-BC234798  Symphoricarpos mollis Alice Eastwood 1912-7-24 1379 Siskiyou Castella Comment
  HSC18987  Symphoricarpos mollis J. O. Sawyer 1969-7-11 851 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SEINET8061691  Symphoricarpos mollis G. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain. 1219 Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  HSC4015  Symphoricarpos rotundifolius var. rotundifolius D. M. Thomson 1965-8-14 194 Siskiyou Lava Beds National Monument, 1 mi. S of Mammoth Crater on Tichner Rd. Comment
  UC60979  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5157 Siskiyou Mount Shasta Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC98955  Symphyotrichum foliaceum var. parryi W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  CHSC63493  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1994-8-1 6420 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  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
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  RSA237817  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Northeastern side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC60897  Taxus brevifolia W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River (McCloud River) Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  HSC29461  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1860 Comment
  CAS-BOT-BC88061  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  CAS-BOT-BC88073  Thelypodium brachycarpum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka. Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SD46554  Thelypodium flexuosum E. K. Balls, L. W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles southeast of Gazelle, U. S. Highway 99, Yreka to Dunsmuir. 885 Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  JEPS82673  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow, Campsite); Cabin Meadow (sw of Stewart Springs) 1798 Comment
  CAS-BOT-BC66802  Thysanocarpus curvipes Roxana S. Ferris; Laura Lorraine 1948-6-12 11887 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC64788  Thysanocarpus curvipes J. P. Smith 1976-5-4 8660 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  SJSU6508  Tolmiea diplomenziesii R. W. Trivelpiece 1972-6-15 119 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  UCD93220  Torreyochloa pallida var. pauciflora Robert E. Preston 2003-7-28 2162 Siskiyou 17.3 miles NE of McCloud, at Trout Creek Campground. 1486 Comment
  HSC27946  Toxicodendron diversilobum Carl W. Mize 1972-9-23 112 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  RSA537372  Toxicodendron diversilobum W. Wisura, J. Romero 1991-10-18 4601 Siskiyou 1.3 mi. east of Somes Bar. Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  CHSC2314  Triantha occidentalis subsp. occidentalis V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC519572  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-26 942 Siskiyou Along trail to Eddy Mountain Comment
  HSC91993  Triantha occidentalis subsp. occidentalis Jennifer Whipple 1976-7-8 1349 Siskiyou SW of Dobkins Lake 2256 Comment
  JEPS43404  Tribulus terrestris W. L. Jepson 1914-8-14 6160 Siskiyou near Dunsmuir (Castle Crag station) 670 Comment
  HSC43136  Trichostema lanceolatum Ken Stillman 1976-8-24 413 Siskiyou E and N slopes of Williams Point 366 Comment
  UC630778  Trifolium cyathiferum A. A. Heller 1915-7-18 12107 Siskiyou ne base Mt. Eddy; Mtcalf's Ranch 1219 Comment
  HSC72474  Trifolium eriocephalum J. P. Smith 1973-5-5 6460 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC68986  Trifolium howellii Maralyn A. Renner 1980-7-24 2045 Siskiyou Lily Pad Lake 1768 Comment
  UC164078  Trifolium howellii Geo. D. Butler 1908-5-3 385 Siskiyou below Log Lake (canyon); Shackleford Creek Comment
  HSC33971  Trifolium longipes J. P. Smith 1974-5-25 7466 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  RSA184745  Trifolium longipes var. shastense Gilbert Muth 1966-8-3 s.n. Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC71623  Trifolium microcephalum J. P. Smith 1973-5-5 6559 Siskiyou Scott Bar along the Scott River Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC230882  Trifolium productum G. J. Muth 1969-8-12 1382 Siskiyou Second Valley 2194 Comment
  HSC92967  Trifolium productum Jennifer Whipple 1976-7-2 1277 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC54388  Trifolium repens H. M. Hall and E. B. Babcock June, 1903 4068 Siskiyou Sisson Moutn Shasta Comment
  HSC30421  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Salmon Mtn., above trail near Young's Cabin in region of Upper Abbott's Cabin. 1829 Comment
  UC630702  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  HSC18872  Trillium ovatum J. O. Sawyer 1968-9-13 723 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  RSA183649  Trillium ovatum subsp. oettingeri Gilbert Muth 1965-8-12 213 Siskiyou Marble Mountain; trail to Black Mountain Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC18979  Trisetum spicatum J. O. Sawyer 1969-7-2 1004 Siskiyou E of Twin Lakes 2195 Comment
  RSA238975  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou SSW of Little Hancock Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA352885  Trisetum spicatum M. B. Dunkle 1945-1 9318 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  HSC34006  Triteleia crocea J. P. Smith 1974-5-25 7508 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UC705592  Triteleia crocea Marion Ownbey and D. H. Brown 1941-6-22 2419 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  CAS-BOT-BC522336  Triteleia hyacinthina Alice Eastwood 1912-7-22 1311 Siskiyou Sisson Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  CAS-BOT-BC526139  Triteleia laxa Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou County Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA120636  Tsuga mertensiana G. D. Barbe 1955-8-1 322 Siskiyou Southeast of Craggy Lookout on Mt. Bolwar, Scott Mountains. 2256 Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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Jun 25 2013
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  UC719049  Umbellularia californica F. G. Meyer 1938-4-3 1328 Siskiyou 20 mi n of Redding Comment
  CAS-BOT-BC404214  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  CAS-BOT-BC404217  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  SEINET7040104  Vaccaria hispanica A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  CAS-BOT-BC228836  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1937 Siskiyou S Slope of Mount Shasta, Panther Meadows, along County Highway A10, ca. 1.6 km by road from the upper parking lot 2276 Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  SEINET3107072  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou North shore of Sugar Lake. Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC60769  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD118068  Vaccinium membranaceum D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  HSC69426  Vaccinium parvifolium Edward Palmer 1980-7-23 563 Siskiyou Past Elbow Springs at end of F.S. road 15N19 1220 Comment
  HSC73316  Vaccinium parvifolium Gail Newton 1980-6-20 496 Siskiyou Near Bald Mtn. 1097 Comment
  RSA700700  Vaccinium scoparium L. C. Wheeler 1934-8-5 3038 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  UC642554  Vaccinium uliginosum subsp. occidentale unknown 1939-7-7 13606 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC76931  Vahlodea atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area, trail from Jump off to Paradise Lake Comment
  UC195254  Valeriana sitchensis subsp. sitchensis Annie M. Alexander and Louise Kellogg 1911-6-18 158 Siskiyou Jackson Lake 1798 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  RSA12629  Veratrum californicum Carl B. Wolf 1934-7-4 5956 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  UC1190161  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  UC164389  Veratrum insolitum Geo. D. Butler 1908-8-26 536 Siskiyou head of E<?> Creek Salmon Mountain Comment
  UCD14452  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains. 1889 Comment
  UC455538  Verbascum blattaria I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  SEINET3161787  Verbena lasiostachys var. lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  UC164109  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  SBBG30536  Veronica anagallis-aquatica D. Myrick 1968-6-26 2029 Siskiyou in upper waters of Coffee Crk; Trinity Alps 1463 Comment
  CHSC91231  Veronica peregrina subsp. xalapensis Lowell Ahart; John Dittes 2005-6-10 12059 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS107287  Veronica peregrina subsp. xalapensis Lowell Ahart, John Dittes 2005-6-10 12059 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC94405  Veronica serpyllifolia subsp. humifusa R. C. Wenk 2005-7-15 204 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  HSC91102  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-7-21 2015 Siskiyou Near Durney Lake 2073 Comment
  HSC3  Veronica wormskjoldii William J. Ferlatte 1966-6-23 133 Siskiyou Yellow Rose Mine, below mine 1982 Comment
  SFV1976  Vicia americana var. americana D. Myrick 1961-6-21 301 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1372 Comment
  HSC23594  Vicia americana var. americana J. O. Sawyer 1971-7-9 2421 Siskiyou 1402 Comment
  UC796573  Vicia villosa subsp. villosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11722 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  RSA238802  Viola adunca Frederick W. Oettinger 1969-8-24 1534 Siskiyou English Lake campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  SEINET3163033  Viola adunca G. D. Butler 1910-4-23 1227 Siskiyou Quartz Valley Comment