Search Results — 2000 specimen records retrieved (1377 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77938  Abies amabilis Roxana S. Ferris; Doris K. Kildale 1928-8-19 6554 Siskiyou Hancock Lake, trail to Marble Mt. 2133 Comment
  HSC27978  Abies amabilis Gary S. Lester 1973-7-17 52 Siskiyou Diamond Lake, Marble Mtn. Wilderness Area 1951 Comment
  RSA237368  Abies amabilis Frederick W. Oettinger 1967-8-26 331 Siskiyou Around Diamond Lake; tree at south side of lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA237339  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Slopes NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
Read comments
Jul 10 2010
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  CAS-BOT-BC73484  Abies magnifica W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237418  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Below Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  JEPS42737  Acer circinatum Willis L. Jepson 1894-8-9 13942 Siskiyou Shasta Sprs., Sacramento River Canyon Region of the Upper Sacramento, Sacramento River Canyon Comment
  RSA14365  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 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
  HSC2804  Acer macrophyllum C. B. Wolf 1927-8-26 1037 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  UC796498  Acer macrophyllum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11778 Siskiyou on forks of Salmon Road about 5.5 mi from Etna; Forks of Salmon road Comment
  SEINET3142628  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbrey Cr. Comment
  SEINET7893887  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbug Cr. Comment
  HSC92337  Achillea millefolium Jennifer Whipple 1976-7-26 1586 Siskiyou Ridgecrest between Dale Creek and Dobkins Lake Drainages 2468 Comment
  OBI55465  Achillea millefolium David J. Keil 1992-7-21 23539 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  POM55385  Achillea millefolium E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon. Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  CAS-BOT-BC210873  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon Camp-Horse Camp Trail Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle Comment
  UC1133087  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou 1 mi sw Signal Butte; Dunsmuir Quadrangle Comment
  CHSC91226  Achnatherum thurberianum Lowell Ahart; John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  UCD103807  Acmispon americanus var. americanus A. A. Heller 1916-8-24 12557 Siskiyou Near Sisson. 1074 Comment
  UCD104244  Acmispon nevadensis Robert E. Preston 1995-6-18 881 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, adjacent to Ager Rd. 701 Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  UCD77302  Aconitum columbianum Robert E. Preston 2001-7-20 1682 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1712 Comment
  CAS-BOT-BC391522  Aconitum columbianum subsp. columbianum G. J. Muth 1969-8-12 1379 Siskiyou Second Valley Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC418820  Aconogonon phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mts. 1859 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  HSC67732  Adenocaulon bicolor John Palmer 1980-8-12 701 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC98137  Adenocaulon bicolor J. O. Sawyer 1969-8-5 1963 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC336685  Adiantum aleuticum unknown July 1881 Siskiyou near Shasta Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  CDA1639  Aegilops cylindrica Hunt 1939-8-11 s.n. Siskiyou 0 Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  UC454303  Ageratina occidentalis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  UC61070  Ageratina occidentalis W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou 18th crossing Sisson; Mount Shasta Comment
  CAS-BOT-BC29453  Ageratina occidentalis Nora Pettibone; Frank W. Hubby 1894-8-10 s.n. Siskiyou Upper Soda Springs Comment
  HSC46721  Ageratina occidentalis William J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds. SE of mail tailings; Yellow Rose Mine 2043 Comment
  HSC5645  Ageratina occidentalis D. M. Thomson 1965-8-21 200 Siskiyou California Lave Beds N.M.; by main road, Devil's Homestead Lava Flow Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  CHSC71274  Agoseris glauca var. laciniata Vernon H. Oswald; Lowell Ahart 1998-6-11 9224 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
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SFV5158  Agoseris grandiflora B. C. Templeton 1960-6-21 8525 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  JEPS36269  Agoseris heterophylla var. heterophylla Geo. D. Butler 1909-4-26 605 Siskiyou Orofino Comment
  CAS-BOT-BC13186  Agoseris monticola John Thomas Howell 1939-8-8 15187 Siskiyou Marble Mountains, Black Mountain Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA585078  Agrostis exarata L. C. Wheeler 1934-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC203952  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek Comment
  RSA239098  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC138937  Agrostis pallens W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake. Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC30515  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  HSC30449  Agrostis scabra Frederick W. Oettinger 1969-9-4 1637 Siskiyou Marble Mtn. Wilderness Area, near water at outlet to Hancock Lake. 1890 Comment
  RSA238994  Agrostis scabra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1169 Siskiyou Margin of lake, outlet to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC22464  Agrostis thurberiana J. O. Sawyer 1969-8-1 1616 Siskiyou On trail to Eaton Lakes. 1799 Comment
  UC1059001  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou s slope Mount Shasta (Panther Meadow); s slope Mount Shasta, Panther Meadow 2316 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  UCD53682  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  RSA12601  Alisma triviale Carl B. Wolf 1934-7-6 5985 Siskiyou Mt Shasta RR depot. 1082 Comment
  POM109874  Allium acuminatum Geo D. Butler s.n. Siskiyou Yreka. Comment
  SEINET182277  Allium acuminatum L. C. Wheeler 1935-1 Siskiyou 0 Comment
  UCD138438  Allium acuminatum Robert E. Preston 1995-6-18 879 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  JEPS29773  Allium amplectens Lauramay T. Dempster 1961-7-3 1866 Siskiyou se Callahan (w face of Scott Mountain); Scott Mountain Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  HSC74439  Allium bolanderi var. bolanderi M. A. Baker 1980-6-20 2199 Siskiyou Near Bald Mtn. 1036 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  RSA78820  Allium crenulatum Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  CHSC57462  Allium falcifolium L. P. Janeway 1984-6-22 877 Siskiyou Ca. 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC76636  Allium falcifolium K. T. Stillman 1976-6-25 54 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  JEPS2716 Image available Allium falcifolium W. L. Jepson 1907-7-5 2830 Siskiyou Marble Mt. Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  UC1299629  Allium siskiyouense Freed W. Hoffman 1950-7-13 3251 Siskiyou e slope at Baldy Lookout Baldy Lookout Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  UC722291  Allium siskiyouense C. L. Hitchcock, J. S. Martin 1939-7-9 5319 Siskiyou between King's Castle and Black Mts. (w side of ridge) 1828 Comment
  CAS-BOT-BC384652  Allium validum Andrew Townesmith; Karen M. Meyer 2007-7-30 876 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  CAS-BOT-BC478028  Allium validum Geo. D. Butler 1908-8-3 109 Siskiyou Log Lake Shackleford Creek Comment
  CAS-BOT-BC478033  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  HSC60887  Allium validum Al Hobart Siskiyou Black Butte Comment
  JEPS57164  Allium validum L. R. Heckard 1967-8-12 1657 Siskiyou along logging road heading s Stewart Springs (ca. 10 mi from U.S. Highway 99 n of Weed) 1950 Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC171395  Alnus incana subsp. tenuifolia Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  CAS-BOT-BC171400  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-8-18 6493 Siskiyou head of N Fork of Salmon River at Finley's Upper Camp Comment
  SEINET5536248 Image available Alnus incana subsp. tenuifolia A. A. Heller 1916-1 12559 Siskiyou near Sisson 1071 Comment
  RSA0044689  Alnus incana subsp. tenuifolia Geo. D. Butler 1316 Siskiyou Goosenest foothills. 1524 Comment
  HSC30341  Alnus rhombifolia Dale R. Gradek 1974-5-25 52 Siskiyou On Rd. 8, 6 mi. from junction of Hwy. 3 and Rd. 8 1585 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC138104  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains. Cottonwood Creek. 838 Comment
  CAS-BOT-BC18593  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley. Comment
  UC163668  Amaranthus blitoides Geo. D. Butler 1909-8-18 1067 Siskiyou near Yreka Comment
  HSC2904  Amaranthus blitoides D. M. Thomson 1965-7-21 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump Comment
  HSC4958  Amelanchier pallida J. O. Sawyer 1968-7-23 593 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237656  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD112889  Amelanchier pallida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou SE of Marble Mountain, Marble Mountains. 1828 Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC136917  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11844 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC37543  Amsinckia intermedia J. P. Smith 1974-5-27 7606 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  CAS-BOT-BC45212  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  CAS-BOT-BC45217  Anaphalis margaritacea Louis C. Wheeler 1934-8-14 3120 Siskiyou 1 mile west of White Mountain, Siskiyou Mountains 1920 Comment
  CAS-BOT-BC64605  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  CAS-BOT-BC391805  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC1423  Anemone deltoidea V. Holt 1941-6-1 Siskiyou Siskiyou Mountains. 1524 Comment
  HSC44582  Anemone deltoidea Laura Witherspoon 1977-7-12 Siskiyou Flint Valley Comment
  UC165941  Anemone deltoidea Geo. D. Butler 1908-8-9 354 Siskiyou Marble Valley Comment
  CAS-BOT-BC391792  Anemone deltoidea Clarence R. Quick 1959-6-19 59 -20 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UCD95451  Anemone deltoidea Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Along Canyon Creek, east of Marble Mountain, Marble Mountains. 1584 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET12086506  Anemone drummondii H. P. Chandler 1901-1 1676 Siskiyou Marble Mountain 2438 Comment
  RSA215610  Anemone multifida Gilbert Muth 1969-8-10 1315 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  HSC724  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  UC609339  Anemone occidentalis Eleanor Burks Hart 1938-8-18 912 Siskiyou Boulder Peak 2529 Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  RSA749255  Angelica arguta K. M. Meyer, A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  SFV12177  Angelica arguta J. Major, M. D. Fleschner, R. H. Pemble 1966-9-5 Siskiyou Marble Mountains, east of Marble Mountain. On dry limestone ridge. 1716 Comment
  UC985973  Angelica arguta T. S. Brandegee July 1887 Siskiyou Mount Shasta Comment
  UC630391  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
  JEPS120189  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UCD127195  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  RSA202367  Angelica tomentosa var. tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mile northwest of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1921 Comment
  CAS-BOT-BC59164  Antennaria dimorpha L. E. Smith 1913-4-22 96 Siskiyou Yreka Comment
  SEINET2030021 Image available Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  UCR70793  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  CAS-BOT-BC69101  Antennaria media Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta, Horse Camp. Comment
  CAS-BOT-BC77301  Antennaria media G. J. Muth 1969-8-8 1298 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  UC1475694  Antennaria racemosa Clifton and Griswold 1979-8-12 13993 Siskiyou close to Fort Jones; Scott Bar Quad., Isinglass Creek 1951 Comment
  POM39432  Antennaria rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  RSA238784  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Midway between Tom Taylor Cabin and English Peak L. O.; open site is granitic gravel and soil. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2005 Comment
  HSC2255  Antennaria rosea subsp. rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones 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
  JEPS49785  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14619 Siskiyou Sisson region of Upper Sacramento, Sisson Comment
  JEPS49801  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou Woolly Creek, Cold Spring 1676 Comment
  UC164100  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou dry thickets near Yreka Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  CAS-BOT-BC395147  Aquilegia formosa Doris K. Kildale; J. W. Gillespie 1929-6-25 8364 Siskiyou Klamath River, 6 mi. N of Hornbrook 609 Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  UC1409275  Aquilegia formosa Frederick W. Oettinger 1968-8-6 422 Siskiyou se corner of Hancock Lake Salmon Mtns, Marble Mt. Wilderness Area 1935 Comment
  SEINET5337610  Aquilegia formosa G. Butler 1910-6-17 1576 Siskiyou Humbug mountain 1219 Comment
  HSC77285  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  UCR37538  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou South ridge of Little Grayback Mtn. Comment
  RSA0126001  Arabis divaricarpa Geo. D. Butler 1910-6-5 1524 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC69257  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3741 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  POM94755  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1505 Siskiyou Shackleford Creek Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  RSA482751  Arabis paupercula Christopher Davidson 1975-6-5 2697 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  HSC66304  Arabis platysperma var. howellii Maralyn A. Renner 1980-8-7 2377 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC46816  Arabis puberula William J. Ferlatte 1974-7-25 1584 Siskiyou Grouse Ridge along Trinity Co. line, 100 yds. S of Dorleska Summit 2119 Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC1333315  Arabis sparsiflora var. atrorubens Dorothy Parker 1949-5-8 282 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  UC454524  Aralia californica I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  JEPS40132  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  JEPS84177  Arceuthobium campylopodum L. R. Heckard with J. Hickman 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  SEINET2471194  Arceuthobium campylopodum R. L. Mathiasen 2009-8-15 2009 -46 Siskiyou 2.4 km from Stewart Hot Springs on forest road 17 1356 Comment
  UC1409473  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou just w of outlet Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  UC1034036  Arceuthobium cyanocarpum WBC 1941-8-21 16212 Siskiyou nw side of Shastina Mount Shasta 2438 Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46440  Arctostaphylos patula C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon. Between Keno and Shovel Cr. Calif - Oregon boundary. Comment
  CAS-BOT-BC46455  Arctostaphylos patula H. P. Bracelin 1931-6-19 425 Siskiyou N. side of Mt. Eddy. Above Metcalf ranch house, N. of Shasta City about 8 mi. 1539 Comment
  CAS-BOT-BC46461  Arctostaphylos patula Louis C. Wheeler 1935-3-31 3413 Siskiyou S. of Wintoon Butte., w. of Mt. Shasta. 1188 Comment
  CAS-BOT-BC46480  Arctostaphylos patula Doris K. Kildale 1928-7-2 5340 Siskiyou Salmon Summit, on the Horn Creek Trail. 1981 Comment
  CAS-BOT-BC46498  Arctostaphylos patula Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta. Comment
  UC21880  Arctostaphylos patula Harley P. Chandler June, 1901 1600 Siskiyou near Marble Mountain; North Coast Ranges 2286 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  UC412711  Arctostaphylos patula Mus. Vert. Zool. 1911-6-15 145 Siskiyou Jackson Lake Comment
  UC673189  Arctostaphylos patula Lincoln Constance and Reed C. Rollins 1942-5-14 2921 Siskiyou 3 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  SEINET11989685  Arctostaphylos patula subsp. patula R. Raiche, Radnik, K. 1982-1 20779 Siskiyou Humbug Rd near Yreka 914 Comment
  SEINET11988197  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou on road between Horsetail & Cook & Green Pass 1341 Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  CAS-BOT-BC82552  Arnica discoidea Doris K. Kildale 1929-7-20 8628 Siskiyou trail up South [Frk] Fork of Indian Creek to Elk Lick 1524 Comment
  JEPS120257  Arnica lanceolata subsp. prima Julie Kierstead Nelson 2011-9-7 2011 -47 Siskiyou Eastern Klamath Mountains, The Eddys, Headwaters of Parks Creek at base of China Mountain, NW of Caldwell Lakes Basin Comment
  CAS-BOT-BC82663  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 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
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  CAS-BOT-BC82659  Arnica latifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5233 Siskiyou on road to Bolan Lake, 5 mi. from cut-off at junction with Takilma-Happy Camp road 1767 Comment
  RSA211216  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou Northwest side of Caribou Mountain, woods near Browns Meadow 1829 Comment
  UC722579  Arnica latifolia C. L. Hitchcock and J. S. Martin 1939-7-7 5233 Siskiyou on rd to Bolan Lake ((5 mi from cut-off at juction with Takilma-Happy Camp rd)) 1767 Comment
  UCD13280  Arnica latifolia K. F. Mawdsley 1996-7-9 13 a Siskiyou Russian Wilderness in Klamath NF. 1981 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  JEPS125880  Arnica ovata Dean W. Taylor 1996-7-26 15842 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  CHSC86655  Artemisia cana subsp. bolanderi Jenny Marr 1993-7-1 38 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  UCD137842  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area. 1524 Comment
  CAS-BOT-BC400696  Asarum hartwegii Doris K. Kildale 1929-5-26 9195 Siskiyou Hawkins Bar on Salmon River 609 Comment
  POM76104  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou Near Yreka. Comment
  CHSC106108  Asclepias speciosa Lowell Ahart; John Dittes 2010-7-30 16965 Siskiyou About 10 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
  UCD121381  Asclepias speciosa J. P. Smith; Steve Selva 1970-7-15 4362 Siskiyou Baldy Mountain Lookout Station. 1722 Comment
  HSC44741  Aspidotis densa Maralyn O'Meara 1974-5-25 442 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  JEPS94712  Aspidotis densa Vernon H. Oswald and Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08) (4.9 mi se of Gazelle-Callahan Road); Rock Fence Lake Road (USFS 41N18) 1767 Comment
  UC1282034  Aspidotis densa Louise Kellogg Aug 5 1953-Aug 7 1953 103 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on rd to Gazelle, then s 5.8 mi on logging rd, Cabin Meadow); Scott Mts, Klamath Nat'l Forest 1844 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  RSA47776  Aspidotis densa Roxana S. Ferris, Laura Lorraine 1948-6-16 11794 Siskiyou Scott Mountain Road south of Callahan Comment
  SEINET10568096  Aspidotis densa David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  UC163741  Astragalus accidens var. hendersonii Mrs. C. Quigley 1909-5-8 706 Siskiyou near Yreka (Klamath River); near Yreka, Klamath River Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  UC168740  Astragalus curvicarpus var. curvicarpus Katharine Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  NY658494  Astragalus filipes E. L. Greene 1876-6-14 847 Siskiyou Near Yreka Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  HSC39771  Astragalus purshii J. O. Sawyer 1970-4-4 2080 Siskiyou Along Sugar Creek 823 Comment
  UC160959  Astragalus purshii var. lectulus Harley P. Chandler June, 1901 1679 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
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Oct 30 2007
  UC1333513  Astragalus purshii var. purshii John F. Davidson 1947-5-17 4634 Siskiyou 5 mi from Callahan, 27 mi from Trinity Center, at first summit of Scott Mt. Road on n slope of Scott Mt. Comment
  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
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  HSC81985  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4872 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  HSC81988  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4868 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  POM22313  Athyrium americanum E. B. Copeland 1903-8-16 3917 Siskiyou Mount Shasta 2378 Comment
  HSC58849  Athyrium distentifolium var. americanum Marvin Butler 1971-8-2 258 Siskiyou Near El Capitan, close to the town of Cave Junction 2073 Comment
  UC618802  Athyrium distentifolium var. americanum W. Bridge Cooke 1938-9-8 11617 Siskiyou above the heather meadow Panther Creek Glacial Meadow; Mt Shasta Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  JEPS50864  Athyrium distentifolium var. americanum Al Hobart 1967-8-8 Siskiyou n slope of Preston Slope; westernmost Siskiyou Co 1828 Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC66184  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  POM210920  Atriplex subspicata L. C. Wheeler 1934-10-21 331 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UC166161  Balsamorhiza Geo. D. Butler 1910-5-10 1337 Siskiyou Shasta Valley Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  UC1408929  Barbarea orthoceras Frederick W. Oettinger 1969-6-13 997 Siskiyou n of Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA331954  Berberis aquifolium var. aquifolium Dave Kelly, Walter Wisura 1985-7-31 4082 Siskiyou 9.1 mi. SW of Gazelle on Callahan Rd. Comment
  UC135573  Berberis aquifolium var. repens Dr. E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy 1463 Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  CAS-BOT-BC75931  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  SBBG28471  Berberis piperiana H. P. Bracelin 1936-5-12 849 Siskiyou N base of Mt Eddy, 11 mi NW of Mt Shasta City; ca. 2 mi E of Burney Mill 1127 Comment
  CAS-BOT-BC169481  Betula occidentalis L. E. Smith 1914-9-9 759 Siskiyou Sisson Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  UCR64607  Betula occidentalis L. C. Wheeler 1934-6-27 02808 Siskiyou Siskiyou Mtns., Cottonwood Creek 976 Comment
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Feb 12 2013
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  HSC44736  Blepharipappus scaber Maralyn O'Meara 1974-5-25 440 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC127938  Blepharipappus scaber Brandegee s.n. Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  CAS-BOT-BC127973  Blepharipappus scaber Mrs. H. C. Cantelow 1936-5-21 1252 Siskiyou 12 mi. S. of Etna, rd. to Callahan Comment
  CDA10531  Blepharipappus scaber subsp. laevis F. D. Horn 1977-6-8 Siskiyou Weed Airport, north of Weed. 0 Comment
  RSA0125962  Boechera E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  CAS-BOT-BC13814  Boechera howellii Vesta Holt 1943-8-13 M- 15 Siskiyou Marble Mountains. Comment
  CAS-BOT-BC14413  Boechera platysperma Alice Eastwood 2076 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC14536  Boechera puberula A. A. Heller 1920-7-9 13434 Siskiyou Long bare easterly slope of Mount Eddy. 2438 Comment
  CAS-BOT-BC14673  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC14667  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sisson. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  CAS-BOT-BC25627  Boechera retrofracta Gilbert Muth 1966-7-8 370 Siskiyou Marble Mountains. Marble Valley. 1792 Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  CAS-BOT-BC25692  Boechera sparsiflora Lincoln Constance; Reed Clark Rollins 1942-5-13 2905 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UCD114490  Boechera suffrutescens Robert E. Preston 1984-7-25 493 Siskiyou Arnica Sink. 2044 Comment
  JEPS46547  Boschniakia strobilacea Wayne Roderick 1963-1 Siskiyou about 2 mi w Copper Butte; Siskiyou Mts., Cook and Green Pass 1371 Comment
  UC1618150  Botrychium multifidum J. C. Game 1996-6-23 96 /44 Siskiyou ca. 8 mi s Etna (just w of Forest Service Rd 41N14(High CCC Rd.), less than 2 mi nw of its junction with Tiger Creek Rd.); Etna Quadrangle 1280 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  UC637046  Brassica rapa Annetta Carter 1934-8-13 710 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC127862  Brickellia grandiflora D. M. Traugh 1933-8-6 7 Siskiyou Klamath (National) Forest 1828 Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  UC1265357  Bromus carinatus var. carinatus F. W. Oettinger 1968-8-6 453 Siskiyou Salmon Mountains, Crapo Meadow, w Siskiyou County Crapo Meadow; Salmon Mountains, Crapo Meadow 2133 Comment
  UCD58275  Bromus carinatus var. marginatus Mr. Roseman 1913-1 9 Siskiyou Butte Valley. Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  UC204777  Bromus madritensis subsp. rubens Geo. D. Butler 1910-5-4 1270 Siskiyou near Yreka Comment
  SACT000688  Bromus sterilis G. Kimber 1934-6-9 Siskiyou Close to junction with Sacramento River Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  LA13847  Bromus tectorum Wm. Bridge Cooke; 1938-6-17 11039 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1265381  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou English Peak, N slope Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild (Shasta Ridge) 2072 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  HSC36735  Calocedrus decurrens Brent Whitely 1975-6-21 13 Siskiyou 223 Comment
  UC454377  Calocedrus decurrens I. J. Condit 1909-8-25 Siskiyou Sisson Comment
  LA6441  Calocedrus decurrens Wm. Bridge Cooke; 1939-7-28 13786 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  JEPS17831  Calochortus coeruleus Joseph P. Tracy 1935-4-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Snow Prairie, Plummer Creek 1859 Comment
  SEINET10469584  Calochortus coeruleus Mary Merello 1993-6-25 Merello 727 Siskiyou Shasta National Forest. Deep Crater Area. Lava beds. Open pine forest. Along Forest Service Road 42N22, from Main Forest Service Road 49-Powder Hill Road. 1550 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
  CHSC118633  Calochortus coeruleus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -020 Siskiyou Lower Parks Creek watershed, E Klamath Range, above Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  JEPS105052  Calochortus elegans Dean W. Taylor 1996-7-7 15802 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  CAS-BOT-BC488607  Calochortus elegans var. nanus Alice Eastwood 1923-5-20 11856 Siskiyou Shasta Springs Comment
  CAS-BOT-BC132420  Calochortus longebarbatus Frank; Forrest; Callahan 1989-9-3 586 Siskiyou Tom Young Flat ca. 2 mi. nw of Pondosa 1292 Comment
  HSC15366  Calochortus macrocarpus var. macrocarpus D. M. Thomson 1965-7-21 155 Siskiyou Lava Beds National Monument, N boundary rd., near Canbys Cross Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  RSA249716  Calochortus nudus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  HSC44909  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC65411  Calochortus tolmiei Rich White 1978-7-3 209 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC181501  Caltha leptosepala Milo S. Baker 1926-8-21 293 c-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  JEPS24807  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  SEINET3863991  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan.; 0 1068 Comment
  UC1876208  Calycadenia fremontii Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  UC134365  Calycadenia truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  CDA23945  Calyptridium umbellatum T. C. Fuller 1962-6-13 8980 Siskiyou Big Sand Flat, road to Medicine Lake, 7 miles north of Bartle. 0 Comment
  UC796590  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11865 Siskiyou 8 mi from summit Gazelle Mt. grade (e side); 8 mi from summit Gazelle Mt. grade 929 Comment
  UC166137  Camelina microcarpa Geo. D. Butler 1908-6-20 1054 Siskiyou fields near Yreka Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  SEINET10462862  Campanula prenanthoides Clifton 1975-8-1 CLIFTON s.n. Siskiyou NR COOK & GREEN PASS, SEIAD VAL. QUAD., NR SEIAD V. 4800', ROADSIDE, COBBLY SOIL Comment
  RSA100329  Campanula prenanthoides F. W. Peirson 1926-7-11 7023 Siskiyou About half way up the grade west of Etna or Etna Mills Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST Comment
  SEINET10463108  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou MARBLE MTNS, SKYHIGH LAKE Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463352  Campanula prenanthoides LeRoy E. Detling 1947-6-3 Detling 6081 Siskiyou ELK CR, 1/5 MI SE OF HAPPY CAMP 1350', CANYON, ROCKY CLAY SOIL. SEC. 23 T16N R7E Comment
  SEINET10939016  Campanula prenanthoides Hutchinson 1932-7-7 HUTCHINSON 4226 Siskiyou Salmon Mountains; near north Fork of Salmon River between Sine's Bar and Fork of Salmon 274 Comment
  CAS-BOT-BC227477  Campanula rotundifolia Dana York 2011-8-12 3043 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC266452  Campanula scabrella Arthur Menzies 1962-6-21 s.n. Siskiyou Mount Eddy 2529 Comment
  UC890575  Campanula scouleri Alice Eastwood 1912-7-21 1283 Siskiyou Sisson Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  SEINET10463882  Campanula wilkinsiana Cooke 1939-8-24 COOKE 11894 Siskiyou COMMON ALONG CREEKS IN SQUAW VALLEY CREEK MEADOWS 2286 Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  SEINET10463890  Campanula wilkinsiana Ferlatte 1967-8-22 FERLATTE 1099 Siskiyou Head of Kidd Cr., open meadow. T37N R92 Sec. 32. 2134 Comment
  UCD77455  Cardamine breweri Robert E. Preston 2001-6-30 1669 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1767 Comment
  HSC44967  Cardamine californica J. O. Sawyer 1978-6-19 3260 Siskiyou Marble Mtn. Wilderness Area, Big Meadows Creek-Bug Gulch trail junction above Wild Lake 1707 Comment
  RSA237262  Cardamine californica var. integrifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1247 Siskiyou Below Pine Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC28095  Cardamine pachystigma J. D. Ackerman, A. M. Montalvo 1973-5-20 60 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail to Bear Lake 1524 Comment
  UC1181803  Cardamine pensylvanica Dorothy Parker 1950-5-21 432 Siskiyou edges of swamp in Fay Lane (Scott Valley); Siskiyou Mountains, Scott Valley 853 Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  CAS-BOT-BC17858  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC40170  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  UCD77479  Carex athrostachya Robert E. Preston 2001-6-30 1656 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA237321  Carex echinata subsp. echinata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1270 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  CAS-BOT-BC20750  Carex fracta Lewis S. Rose 1936-7-29 36710 Siskiyou Shasta Springs. 762 Comment
  SEINET11310042 Image available Carex fracta Unknown 2009-1 24602 Siskiyou Yellow pine forest on Road A10 (Everett Memorial Highway), at McBride Springs Campground, SW slope of Mt. Shasta. Comment
  UC642580  Carex fracta W. Bridge Cooke 1939-7-7 13621 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UCD77458  Carex fracta Robert E. Preston 2002-7-13 1923 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  CAS-BOT-BC28083  Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET3902134  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  CAS-BOT-BC7826  Carex inops subsp. inops J. W. Stacey 1940-7-12 15333 Siskiyou Along the Memorial Highway. 1371 Comment
  UC837247  Carex inops subsp. inops L. E. Smith 1913-4-29 149 Siskiyou McCloud Comment
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  CAS-BOT-BC7658  Carex integra Arthur Menzies 1962-7-21 13253 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  HSC39390  Carex interior J. O. Sawyer 1969-8-5 1954 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  UCD140468  Carex interior A. A. Heller 1920-7-11 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC35525  Carex jonesii A. A. Heller 1922-7-15 13706 Siskiyou Medicine Lake 2133 Comment
  JEPS100907  Carex jonesii Dean W. Taylor 1987-6-7 9025 Siskiyou Paynes Springs 2011 Comment
  JEPS63703  Carex jonesii B. C. Goldsmith 1916-10-10 37 Siskiyou Widow Creek Mt. Shasta, Widow Creek Comment
  RSA577790  Carex jonesii L. C. Wheeler 1935-7-26 3720 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  HSC76813  Carex laeviculmis L. P. Janeway 1982-6-25 23 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  RSA724916  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  HSC85838  Carex mertensii L. P. Janeway 1983-8-7 526 Siskiyou Along S fork Indian Creek Rd. (FS 17N32), 16 mi. from Indian Creek Rd. 1189 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC97433  Carex multicaulis Jennifer Whipple 1976-6-18 1040 Siskiyou Near Little Crater Lake 2470 Comment
  CAS-BOT-BC32279  Carex multicostata J. Major 1961-7-14 644 -A Siskiyou Upland meadow along Mud Creek, Mt. Shasta 1980 Comment
  CAS-BOT-BC119902  Carex nebrascensis George Dexter Butler 1909-6-13 858 Siskiyou Damp meadow near Oro Frio. Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  CAS-BOT-BC119202  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. 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
  LA17780  Carex phaeocephala L. Ellison; 1928-9-12 504 Siskiyou Mt. Shasta 3047 Comment
  CAS-BOT-BC118577  Carex praegracilis Louis C. Wheeler 1935-6-30 3632 Siskiyou 3 mi S Grenada, Shasta Valley 792 Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC118784  Carex preslii William J. Ferlatte 1968-8-23 1094 Siskiyou Head of Kedd Creek. 2133 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  HSC67755  Carex rossii J. O. Sawyer, J. Cole 1980-7-19 3686 Siskiyou Near FS Rd. 45N05 2018 Comment
  SEINET8415056  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Preston Peak quad, along S Fork Indian Creek Road (17N32) ca 17 miles from Indian Creek Road. 1402 Comment
  CAS-BOT-BC117910  Carex scabriuscula G. Douglas Barbe 1955-7-28 301 Siskiyou Small, moist meadow just W of Scott Mtn. Forest Camp, near Trinity County line. 1615 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  HSC91237  Carex scabriuscula Jennifer Whipple 1976-6-30 1215 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SEINET7574452 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Scott Mountain 7.5' quad, Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC62596  Carex scopulorum var. bracteosa L. P. Janeway 1993-8-30 4562 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  UCD63042  Carex scopulorum var. bracteosa Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  RSA238964  Carex spectabilis Frederick W. Oettinger 1969-9-4 1659 Siskiyou Tom s lower pond near Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET7575749 Image available Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, trail southeast of Tom's Lake. 2012 Comment
  JEPS103117  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit 2079 Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115862  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou Beside Cold Creek at the Military Road crossing ca 6 mi NW of Pilgrim Creek Experiment Station, Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  CAS-BOT-BC115163  Carex vesicaria Doris K. Kildale 1929-7-20 8685 Siskiyou Raspberry Lake. South Fork of Indian Creek. 1828 Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UC1540249  Carex whitneyi Dean W. Taylor 1987-6-23 9048 Siskiyou McCloud River drainage 1219 Comment
  LA41290  Cassiope mertensiana John Thomas Howell; 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  HSC29628  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC59937  Cassiope mertensiana subsp. ciliolata D. L. Goforth 1979-7-19 246 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 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
  RSA0002588  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy. 2591 Comment
  CAS-BOT-BC94413  Castilleja applegatei R. C. Wenk 2005-7-15 226 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
  HSC91220  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-12 978 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  JEPS80490  Castilleja applegatei subsp. pinetorum Gilbert Muth 1966-7-17 386 Siskiyou near Lookout; Marble Mt. Wilderness Area 2042 Comment
  RSA17663  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument. Comment
  UCD77486  Castilleja applegatei subsp. pinetorum Robert E. Preston 2001-7-21 1707 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  CAS-BOT-BC243754  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC243763  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3870 Siskiyou Top of Red Shale Mountain east of Medicine Lake 2438 Comment
  CAS-BOT-BC243770  Castilleja applegatei var. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City 1158 Comment
  HSC61197  Castilleja arachnoidea Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  JEPS19682  Castilleja lacera Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5939 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  JEPS66322  Castilleja lacera L. R. Heckard with T. I. Chuang 1971-6-16 2586 Siskiyou ca 2 mi n Weed (along U.S. Highway 97) Comment
  UC164374  Castilleja lacera Geo. D. Butler 1909-6-20 932 Siskiyou near Yreka Comment
  UCR21105  Castilleja lacera T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC42230  Castilleja miniata J. D. Mastrogiuseppe 1974-9-2 167 Siskiyou W slope of ridge of Red Rock Mtn. 2165 Comment
  HSC69401  Castilleja miniata Maralyn A. Renner 1980-8-8 2439 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC77011  Castilleja miniata K. T. Stillman 1976-7-7 163 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  RSA448754  Castilleja miniata M. B. Dunkle 1945-1 9300 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SBBG25940  Castilleja miniata subsp. miniata D. Myrick 1966-8-8 1484 Siskiyou Josephine Lake, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  HSC19304  Castilleja pruinosa J. O. Sawyer 1968-6-25 310 Siskiyou NE of N Horse Range Lake 2012 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
  UC169089  Castilleja pruinosa Harley P. Chandler Jun 1901 1667 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  RSA428400B  Castilleja pruinosa M. B. Dunkle 1944-7-15 9091 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  JEPS4340  Castilleja tenuis W. L. Jepson 1940-7-3 20100 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC71079  Ceanothus cuneatus M. A. Baker 1980-6-20 2200 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC50249  Ceanothus integerrimus D. E. Breedlove 1962-6-10 3306 Siskiyou on steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  HSC100185  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-3 13402 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  RSA240090  Ceanothus integerrimus Frederick W. Oettinger 1969-8-25 1550 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UCR136765  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir 793 Comment
  RSA301660  Ceanothus integerrimus var. integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  HSC36948  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  JEPS42176  Ceanothus prostratus Geo. D. Butler 1909-8-24 589 Siskiyou Greenhorn Rd Comment
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  OBI80339  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  CAS-BOT-BC63160  Ceanothus velutinus L. E. Smith 1913-7-1 s.n. Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC63199  Ceanothus velutinus Brent Helm; Curtis Miller; Mark Steiger 1988-4-30 78 Siskiyou unspecified. 1463 Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  OBI6050  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 mi W of summit of grade on road from Mt. Shasta City to McCloud 1219 Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  CAS-BOT-BC52839  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC69115  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-7 2393 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  CDA36772  Centaurea virgata var. squarrosa D. B. Joley 1976-6-24 4 Siskiyou Hawkinsville. 0 Comment
  HSC44701  Cephalanthera austiniae J. O. Sawyer, E. Cope 1977-6-19 2941 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  JEPS82438  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mt. Lookout Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  CAS-BOT-BC147682  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-28 s.n. Siskiyou Yreka Comment
  LA47766  Cercocarpus betuloides var. macrourus Louis C. Wheeler; 1934-7-12 2901 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  CAS-BOT-BC148519  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou Near Yreka Comment
  POM351688  Chaenactis carphoclinia M. B. Dunkle 1945-1 9355 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SBBG30610  Chaenactis douglasii D. Myrick 1968-6-22 1995 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC60902  Chaenactis douglasii var. douglasii Al Hobart Siskiyou Black Butte Comment
  JEPS52290  Chaenactis suffrutescens Wayne Roderick 1966-6-26 Siskiyou 6 mi from either Fort Jones or Etna (in Scott Valley); Scotts Valley 853 Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  CAS-BOT-BC85664  Chamaecyparis lawsoniana Doris K. Kildale 1929-8-24 9056 Siskiyou Youngs Valley, on trail to Preston Peak 1524 Comment
  RSA593940  Chamaecyparis lawsoniana L. C. Wheeler 1963-9-5 8350 Siskiyou Siskiyou Mountains. Sanger Lake. Comment
  UC642565  Chamaesyce serpyllifolia L. W. Wheeler 1930-6-30 13578 Siskiyou Howard Mount Shasta Comment
  CAS-BOT-BC166096  Chamerion angustifolium subsp. circumvagum H. A. Thomas; J. H. Thomas 1954-7-23 4464 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecileville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  HSC65357  Cheilanthes gracillima R. White 1978-7-3 208 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  UC851051  Chenopodium pumilio A. A. Heller 1915-8-24 12210 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  CAS-BOT-BC451434  Chimaphila menziesii Wm. Bridge Cooke 1939-8-4 13810 Siskiyou Mount Shasta: along the Sisson Southern Trail 1676 Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  CAS-BOT-BC452259  Chimaphila umbellata John Thomas Howell 1939-8-5 15068 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC452267  Chimaphila umbellata Alice Eastwood 1921-7-24 10785 Siskiyou Castle Lake Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  CAS-BOT-BC452271  Chimaphila umbellata G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  RSA183672  Chimaphila umbellata subsp. occidentalis Gilbert Muth 1965-8-10 197 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  CDA3704  Chorispora tenella T. C. Fuller 1970-3-24 19360 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  UC1409350  Chrysolepis chrysophylla Frederick W. Oettinger 1969-7-29 1097 Siskiyou ridge just s Uncles Lake (near inlet stream, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC164452  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou Head of Russian Creek Comment
  HSC100196  Chrysolepis chrysophylla var. minor J. P. Smith, & J. O. Sawyer 2011-9-5 13420 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  HSC67795  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-21 3897 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA237806  Chrysolepis sempervirens Frederick W. Oettinger 1967-8-26 326 Siskiyou On e.-face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC618842  Chrysolepis sempervirens unknown 1938-9-8 11645 Siskiyou n side Red Butte; Mount Shasta Comment
  UCD110154  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou ca. 5 miles southeast of Callahan, beside road up Scott Mountain. Comment
  RSA14944  Chrysothamnus parryi subsp. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  CDA38295  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  RSA184645  Circaea alpina subsp. pacifica Clare B. Hardham 1965-8-20 13036 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  RSA211353  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  CAS-BOT-BC284400  Cirsium arvense Alice Eastwood 1912-7-17 1164 Siskiyou Sisson Comment
  CAS-BOT-BC288005  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Knoll just east of Montague Comment
  JEPS81662  Cirsium occidentale var. venustum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2316 Siskiyou Northern side of McCloud arms of Shasta Lake (15 mi from hwy 99 along Gilman Road) 487 Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  CAS-BOT-BC288767  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  CAS-BOT-BC288771  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC286472  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Klamath Mountains. Hiwy 99, 4 mi. S of Gazelle Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC228983  Cistanthe umbellata John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET270929  Cistanthe umbellata Richard J. Shaw 1963-6-10 1294 Siskiyou Highway 99 2 miles south of Weed. Comment
  CAS-BOT-BC163461  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-18 45094 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC164976  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  CAS-BOT-BC164968  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  HSC19168  Clarkia rhomboidea J. O. Sawyer 1969-7-9 1220 Siskiyou On trail to S Sugar Lake 1692 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  SEINET10689255  Clarkia rhomboidea H. E. Brown 1897-7-15 Brown 537 Siskiyou Southwest side Mt. Shasta. Altitude 5000-10000 feet. 1525 Comment
  UCSB385  Clarkia rhomboidea Myrick, Donald 1961-6-20 Siskiyou near Mt.Shasta City 1066 Comment
  CDA23948  Claytonia exigua subsp. exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2616 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC1112868  Claytonia lanceolata H. K. Wagnon and Douglas Barbe 1957-6-16 13132 Siskiyou Scott Mt. 1920 Comment
  CAS-BOT-BC443830  Claytonia rubra subsp. rubra Alice Eastwood; John Thomas Howell 1934-4-20 1745 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  CAS-BOT-BC443826  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Old Mining Dump, Oro Fino Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  RSA45340  Claytonia saxosa Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch E side of Scott Valley. 866 Comment
  CAS-BOT-BC443868  Claytonia sibirica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  UC1408944  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 2048 Comment
  HSC4461  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  CAS-BOT-BC92764  Clematis ligusticifolia Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CDA7435  Cnicus benedictus C. S. Giebner 1965-9-2 Siskiyou Carl Black property, Scott Valley. 0 Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  HSC99302  Collinsia parviflora G. L. Clifton 1979-7-1 6166 Siskiyou Near Poker Flat, close to the town of Happy Camp 1536 Comment
  UC1238975  Collinsia parviflora Freed W. Hoffman 1948-7-9 2575 Siskiyou North Coast Ranges, summit of Waldo-Happy Camp Road Waldo-Happy Camp Road; North Coast Ranges, summit of Waldo-Happy Camp Road 1539 Comment
  UC672465  Collinsia parviflora Dorothy Tebbe 1930-3-28 66 Siskiyou Weed Comment
  HSC29392  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Salmon Mts., Upper English Lake 1677 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  UCD77566  Collomia grandiflora Robert E. Preston 2002-7-14 1939 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  SEINET13773600  Collomia grandiflora G. D. Butler 1910-5-19 1366 Siskiyou Yreka Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  RSA237987  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS125863  Collomia tracyi Dean W. Taylor 1996-7-10 15772 Siskiyou Hayden Ridge; watershed divide of Scott Valley and Noyes Valley, about 10 air miles E of Etna Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  CAS-BOT-BC133722  Corallorhiza Doris K. Kildale 1928-8-20 6600 Siskiyou Field redacted by CAS, contact the data manager for more information 2133 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  HSC494  Corallorhiza mertensiana William J. Ferlatte 1966-6-22 84 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  JEPS85956  Cordylanthus tenuis subsp. pallescens Don Burk 1990-4-1 DB 17 Siskiyou just s Weed Elementary School (s side of Hilltop Dr, less than 0.1 mi e of S. Davis Ave.); Weed NW Quadrangle 1072 Comment
  HSC42895  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-15 411 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  JEPS16357  Cordylanthus tenuis subsp. viscidus Peter H. Raven 1956-9-5 10469 Siskiyou North Fork of Sacramento River 1371 Comment
  RSA0084761  Cordylanthus tenuis subsp. viscidus Rebecca Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  UCD123182  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (1-5). 774 Comment
  JEPS117854  Cordylanthus tenuis subsp. viscidus unknown 1976-8-18 Siskiyou Gravel pit north of Abram's Lake turnoff from I-5 1127 Comment
  SEINET10582690  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi 1954-8-12 Bacigalupi 4791 Siskiyou Along highway following the Klamath River, 1/2 mile west of Hamburg. 457 Comment
  HSC30467  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Salmon Mtns., near 'The Cedars' homestead, 2 mi. up main N Fork Trail from mule Bridge enroute to English Lake. 960 Comment
  HSC99831  Cornus nuttallii T. Jimerson, J. Pageau 1979-6-15 568 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210423  Cornus sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UCD117302  Cornus sericea Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 609 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California -- Oregon state line. Comment
  HSC19036  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1401 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  HSC2329  Crepis intermedia Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1372 Comment
  UC163910  Crepis occidentalis Geo. D. Butler 1909-5-8 754 Siskiyou Yreka hills; e of town Comment
  UC581200  Crepis occidentalis E. B. Babcock and G. L. Stebbins 1936-6-11 1901 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC290874  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 Siskiyou Near Cantara Comment
  UC895377  Crocidium multicaule Louis C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek Siskiyou Mts., Mt. Diablo Meridian, Greenhorn Creek 853 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  JEPS105334  Cryptantha ambigua Dean W. Taylor 1995-6-4 14964 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC133720  Cryptantha simulans A. A. Heller 1905-6-15 8035 Siskiyou near Sisson Comment
  POM228969  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  CAS-BOT-BC80540  Cupressus bakeri Oliver V. Matthews 1939-7-22 42 Siskiyou unspecified 1219 Comment
  CAS-BOT-BC80564  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove and Region 1463 Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  NY1292  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  UC13703  Cupressus lawsoniana W. C. Blasdale 1894-8-3 Siskiyou Shasta Springs Comment
  UC915734  Cupressus lawsoniana W. L. Jepson 1907-7-10 Siskiyou Willis Hole Siskiyou Mts., Kelsey Trail Comment
  RSA792359  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tule Lake. Growing in potato field. Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  CDA39726  Cycladenia humilis var. humilis J. Massey & B. Ruddiman 1975-7-24 s.n. Siskiyou Near Tulelake 0 Comment
  CDA37844  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  UC133674  Cynoglossum occidentale A. A. Heller 1905-6-5 7984 Siskiyou Shasta Springs Comment
  UC61050  Cynoglossum occidentale W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mt. Shasta, Sisson Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  CAS-BOT-BC114108  Cyperus squarrosus Cyrus Guernsey Pringle 1881-8-16 s.n. Siskiyou Flora of the Pacific Slope. Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC70714  Cystopteris fragilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11765 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  HSC23665  Cystopteris fragilis J. O. Sawyer 1969-7-18 1360 Siskiyou At headwaters of S Russian Cr. 2043 Comment
  RSA237512  Cystopteris fragilis Frederick W. Oettinger 1968-9-1 649 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC39657  Dactylis glomerata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5738 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  CAS-BOT-BC192257  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 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
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC76753  Danthonia unispicata K. T. Stillman 1976-7-21 277 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD61327  Danthonia unispicata A. H. Murphy 1959-7-21 59 B Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC76230  Darlingtonia californica Doris K. Kildale 1929-8-25 9019 Siskiyou Near Youngs Valley on trail to Preston Peak. 1524 Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC141835  Dasiphora fruticosa L. E. Smith 1913-9-1 553 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC141836  Dasiphora fruticosa Gilbert J. Muth 1969-8-8 1277 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  RSA431673  Datisca glomerata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CHSC71318  Delphinium andersonii Vernon H. Oswald; Lowell Ahart 1998-6-11 9227 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
  RSA60841  Delphinium decorum subsp. tracyi Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC10132  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1390 Siskiyou Summit of Scott Mtn. 1630 Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC118071  Delphinium nuttallianum George Dexter Butler 1909-4-14 642 Siskiyou Humbug Road Comment
  HSC77027  Delphinium nuttallianum K. T. Stillman 1976-6-25 50 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC118067  Delphinium nuttallianum Elmer Ivan Applegate 1895-5-29 937 Siskiyou Sisson Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CHSC61565  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along dirt road in southwest part of meadow. 1524 Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS25655  Deschampsia elongata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7298 Siskiyou ca. 4 mi. n.-n.e. Preston Peak (just e. of Del Norte Co. line); Siskiyou Mts., Twin Valley, Indian Creek watershed 1493 Comment
  SJSU11313  Deschampsia elongata S. H. Casey 1981-7-4 1206 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 8 mi N of Seiad Valley 1524 Comment
  CAS-BOT-BC43119  Descurainia pinnata subsp. brachycarpa William Bridge Cooke 1941-6-12 16036 Siskiyou Mount Shasta. Along the Military Pass road above Andesite Station. 1524 Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 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
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  UC1185288  Dicentra pauciflora H. E. Brown 1897-6-15 418 Siskiyou n side Mount Shasta 1524 Comment
  SEINET10620914 Image available Dicentra pauciflora Edward L. Greene 1876-8-22 Greene 994 Siskiyou On Scott Mountain. 2743 Comment
  UCD150605  Dicentra pauciflora Rolf Y. Berg 1964-7-3 8204 Siskiyou Soapstone Trail, in Castle Crags area. Comment
  HSC98458  Dicentra uniflora J. P. Smith 1974-5-26 7593 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC44910  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6402 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET3885606  Dichelostemma multiflorum Alv Dan Youngberg 1964-6-15 25 Siskiyou Growing on the forest floor along Elk Creek. Humbolt Meridian.; 0 427 Comment
  JEPS95372  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6457 Siskiyou ca 11 mi (air) ne of McCloud (FS 41N01Y at Elk Flat, ca 1 mi N of Pilgrim creek Rd (FS 13)) 1243 Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  HSC5962  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 205 Siskiyou California Lava Beds National Monument; 1/4 mi. N of Devil's Homestead Comment
  CAS-BOT-BC153737  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou U. S. Highway 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
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  HSC32293  Dodecatheon jeffreyi J. O. Sawyer 1971-6-29 2395 Siskiyou Elk Hole 1524 Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 Comment
  JEPS84210  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  RSA238719  Dodecatheon jeffreyi Frederick W. Oettinger 1968-9-5 715 Siskiyou In wet humus 'muck' along shorline near inlet on SE side on Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA436124  Downingia pulchella L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  UC1094395  Downingia pulcherrima Rimo C. Bacigalupi with Galen Smith 1957-6-26 5937 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC1094386  Draperia systyla Rimo C. Bacigalupi with Galen Smith 1957-6-26 5965 Siskiyou Ca. 4 miles SW of junction with the North Fork. Along road to Gumboot Lake, South Fork of the Sacramento River west of the town of Mount Shasta 1371 Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC642568  Drymocallis W. Bridge Cooke 1939-8-22 13829 Siskiyou along Horse Camp Creek; Mount Shasta, along Horse Camp Creek Comment
  HSC61834  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC159681  Drymocallis glandulosa K. T. Stillman 1976-6-25 80 Siskiyou N side of Elk Valley, Marble Mountain wilderness Area 1798 Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  CAS-BOT-BC159288  Drymocallis lactea var. lactea Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  HSC60786  Drymocallis lactea var. lactea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  LA208033  Drymocallis pseudorupestris Wm. Bridge Cooke; 1940-7-26 15372 Siskiyou Mount Shasta, on the W side of Shastina, Hudesonian zone 2743 Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CAS-BOT-BC158418  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest 1432 Comment
  HSC42933  Dryopteris arguta Ken Stillman 1976-8-31 455 Siskiyou E and N sides of Williams Point 366 Comment
  UC1265387  Eleocharis acicularis Frederick W. Oettinger 1968-9-3 673 Siskiyou vicinity of English Peak (Horse Range Lake, N side); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1821 Comment
  CHSC88375  Eleocharis bella Jenny Marr 1993-7-1 181 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  SEINET7586255 Image available Eleocharis macrostachya Frederick W. Oettinger 1968-9-5 716 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Inlet stream to Hancock Lake. 1935 Comment
  UC185013  Eleocharis obtusa Geo. D. Butler 1910-8-27 1855 Siskiyou Oro Fino Comment
  RSA610534  Eleocharis palustris L. C. Wheeler 1935-7-13 3664 Siskiyou Ager. 793 Comment
  SEINET7587040 Image available Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Between David Mt and Abbotts Lake Basin. 1905 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC112012  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  JEPS117632  Elodea canadensis Lowell Ahart, John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  CAS-BOT-BC227919  Elymus elymoides Elmer I. Applegate 1923-8-18 3862 Siskiyou Top of Redshale Mountain, Medicine Lake region 2438 Comment
  RSA211383  Elymus elymoides William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC69216  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2088 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  CAS-BOT-BC235223  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  RSA273424  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1934-7-4 5734 Siskiyou 2.0 miles south of Sugar Creek on Parrot Mill Road 1341 Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC69346  Elymus trachycaulus subsp. trachycaulus Maralyn A. Renner 1980-8-21 2543 Siskiyou Kidd Creek 2043 Comment
  HSC45888  Elymus trachycaulus subsp. trachycaulus Laura Witherspoon 1978-8-15 80 Siskiyou Klamath National Forest. 2.9 miles S of La Honda Well and Forest Service Rd. 6Q01 (Tennant Rd.) 1442 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  CHSC26175  Epilobium brachycarpum J. P. Kroessig 1977-8-5 50 Siskiyou McBride Spring Campground ca. 4.5 km n of Mt. Shasta City, at base of Mt. Shasta. 1460 Comment
  HSC77244  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCR47857  Epilobium ciliatum 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
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  HSC29130  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou Salmon Mtns., N side of Horse's Hole near Horse Range Lake 1829 Comment
  POM248137  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou Mouth of the Municipal spring above Howard, Mount Shasta 1280 Comment
  UC61667  Epilobium densiflorum Geo. B. Grant Sept. 1902 5078 Siskiyou Sisson Mt. Shasta 914 Comment
  POM258627  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15231 Siskiyou Mt. Shasta: in the meadow at Bear Springs. 1524 Comment
  RSA237580  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -b Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS123399  Epilobium luteum Julie Kierstead Nelson with Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC59013  Epilobium oregonense Marvin Butler 1971-7-29 242 Siskiyou Near Cyclone Gap, close to Cave Junction 1524 Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  RSA639597  Equisetum hyemale var. affine L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA120856  Equisetum laevigatum G. D. Barbe 1957-7-13 376 Siskiyou Big flat public camp, Klamath National Forest. 1524 Comment
  HSC36752  Equisetum telmateia subsp. braunii Brent Whiteley 1975-6-23 42 Siskiyou 223 Comment
  HSC26547  Eragrostis cilianensis J. P. Smith, Steve Selva 1970-7-16 4402 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  HSC45899  Eragrostis mexicana subsp. virescens Laura Witherspoon 1978-8-30 111 Siskiyou Klamath National Forest. Rd. to Ball Mtn. Lookout 2134 Comment
  UCR168481  Eragrostis orcuttiana L. C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC81999  Eremogone congesta var. congesta Thomas W. Nelson, Jane P. Nelson 1979-6-16 4854 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  CHSC96600  Eremogone congesta var. crassula L. P. Janeway 2006-7-2 8731 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
  SEINET12875579 Image available Eremogone congesta var. suffrutescens Frederick W. Oettinger 1969-1 395 Siskiyou Trail break on Crapo Peak ridge 2195 Comment
  HSC79096  Ericameria bloomeri Paul Wilson 1984-8-30 361 Siskiyou Juanita Lake Reservoir 1555 Comment
  POM39569  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou Goosenest foothills 1524 Comment
  RSA78946  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18173 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  UC1408800  Ericameria bloomeri Robert F. Thorne and Fred Oettinger 1969-8-10 38988 Siskiyou s slope of Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  UC163906  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  SEINET5709302 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 Siskiyou Along Rd to Ski Bowl on Mt. Shasta. 1676 Comment
  CAS-BOT-BC287487  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou Pass just S of Mt Eddy 2438 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  CAS-BOT-BC299464  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-6-26 2788 Siskiyou Camp Low, Klamath River, Siskyou Mts. 731 Comment
  HSC92795  Ericameria nauseosa var. speciosa Jennifer Whipple 1976-9-4 1793 Siskiyou Dry slopes SW of Dobkins Lake along the drainage into the lake 2256 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  CAS-BOT-BC293497  Erigeron aliceae John Thomas Howell 1939-8-2 14879 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA12496  Erigeron aliceae C. B. Wolf 1934-7-4 5941 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC895582  Erigeron aliceae John Thomas Howell 14879 Siskiyou Marble Mts., Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  HSC75497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 375 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC19165  Erigeron cervinus J. O. Sawyer 1969-7-10 1284 Siskiyou East facing slope above Sugar Lake 2226 Comment
  RSA238777  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou On 'Shasta Ridge' where vernal snow melt waters flow over this face, SE of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC71281  Erigeron chrysopsidis var. austiniae Vernon H. Oswald; Lowell Ahart 1998-6-11 9214 Siskiyou Klamath NF boundary on Old State Hwy. 1.5 mi south of the RR crossing south of Mount Hebron. 1295 Comment
  HSC39833  Erigeron compositus J. O. Sawyer 1969-7-9 1263 Siskiyou N slope of Grizzly Peak. 2378 Comment
  UC618656  Erigeron compositus unknown 1938-8-22 11558 Siskiyou s slope Diller Canyon; Mount Shasta, Diller Canyon 2743 Comment
  CAS-BOT-BC297183  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Along the railroad near Grenada station Comment
  POM253147  Erigeron elegantulus A. A. Heller 1938-7-13 s.n. Siskiyou Border of meadows just south of Bray. 1402 Comment
  JEPS94887  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 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
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  RSA44886  Erigeron foliosus var. hartwegii J. C. Roos 1948-9-1 3950 Siskiyou Summit of pass SW of Etna Comment
  CAS-BOT-BC300856  Erigeron glacialis var. glacialis Annie M. Alexander; Louise Kellogg 1949-7-19 5807 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  RSA0030731  Erigeron inornatus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  HSC92776  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-4 2155 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC224138  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC224145  Eriodictyon californicum W. B. Cooke; V. G. Cooke 1970-7-22 42698 Siskiyou 7 mi. ne. of Weed, along US-97, Mt. Shasta Comment
  UCSB24926  Eriodictyon lobbii Keefe, Joseph 1967-7-11 Siskiyou Roadside, 0.5 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1676 Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  CAS-BOT-BC248841  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CHSC67578  Eriogonum congdonii James D. Jokerst 1992-7-30 3430 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  LA206739  Eriogonum diclinum Louis Wheeler; 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon 1950 Comment
  RSA236432  Eriogonum diclinum D. V. Hemphill 2100 Siskiyou Salmon Mountains: high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Spur ridge off of Hell Hole Ridge between Lake Ethel and Big Meadows. 1860 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  RSA15652  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  JEPS25874  Eriogonum hirtellum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7458 Siskiyou ridge-top between Indian Creek drainage (N. Fk. Twin Valley Creek) and Illinois River drainage (Dunn Creek) (boundary line of Del Norte and Siskiyou Counties); Preston Pk. quadr. 15 1956; between Indian Creek drainage & Illinois River drainage, boundary line of Del Norte & Siskiyou Cos. 1615 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  UC1540141  Eriogonum microthecum var. ambiguum Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9254 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  CHSC71592  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1998-8-3 9451 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. Roadside. 1767 Comment
  RSA393329  Eriogonum nudum var. nudum Robert Gustafson 1985-10-19 3307 Siskiyou Gazelle Callahan Road 1372 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC269745  Eriogonum nudum var. oblongifolium L. E. Smith 1912-8-1 s.n. Siskiyou Yreka Comment
  SEINET10924428 Image available Eriogonum nudum var. oblongifolium Edward L. Greene 1876-7-8 Greene 923 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  HSC17330  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-8-26 483 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  CAS-BOT-BC252964  Eriogonum pyrolifolium var. pyrolifolium Wm. Bridge Cooke 1938-7-28 11372 Siskiyou North Ridges, Mount Shasta 2743 Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  HSC17400  Eriogonum roseum C. B. Wolf 1927-8-26 1082 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  SEINET3160080  Eriogonum strictum var. proliferum G. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  JEPS56424  Eriogonum strictum var. proliferum W. L. Jepson 1907-7-25 2961 Siskiyou Patterson Creek bed Scott Valley Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267940  Eriogonum umbellatum Gilbert Muth 1969-8-6 1184 Siskiyou Boulder Peak Comment
  CAS-BOT-BC267933  Eriogonum umbellatum A. A. Heller 1938-7-13 15271 Siskiyou About a mile south of Bray Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC267992  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC1409204  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou ridge s English Peak Lookout; Salmon Mountains, Marble Mountain Wilderness 2225 Comment
  POM274349  Eriogonum umbellatum var. argus B. W. Heacox 1947-9-11 186 Siskiyou Dry-Lake Look-out Station. 2043 Comment
  JEPS56182  Eriogonum umbellatum var. dumosum J. G. Lemmon 1889-6-28 Siskiyou near Edgewood Comment
  CAS-BOT-BC268150  Eriogonum umbellatum var. humistratum A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  SBBG25875  Eriogonum umbellatum var. modocense D. Myrick 1966-8-7 1486 Siskiyou near Lake Josephine, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  CHSC99208  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2007-7-28 9128 Siskiyou High Cascade Range. Medicine Lake Highlands; just north of the north edge of Medicine Lake Glass Flow. 2109 Comment
  UC585248  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1925 Siskiyou s of highway sw Yreka; Forest House Mt. 1363 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
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  OBI76912  Eriogonum vimineum Anthony Baniaga 2011-7-8 431 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 694 Comment
  HSC69349  Eriophorum crinigerum Maralyn A. Renner 1980-8-21 2548 Siskiyou Kidd Creek 2043 Comment
  UC1265448  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou near Diamond Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC46191  Eriophyllum lanatum Jennifer Whipple 1977-4-30 1878 Siskiyou Scott Valley near Weston Gulch 854 Comment
  SEINET10672050  Eriophyllum lanatum Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-2 Morris 369 Siskiyou Found in an open meadow associated with yellow pine on the south side of Hwy. 3, 22 mi. E of Fort Jones. Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS34499  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20004 Siskiyou n of Mt. Shasta; Andesite station 975 Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301102  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  JEPS107394  Eriophyllum lanatum var. grandiflorum Lowell Ahart, John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC507183  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou near Weed Comment
  JEPS47724  Eriophyllum lanatum var. integrifolium W. B. and V. G. Cooke 1966-7-16 37211 Siskiyou road above Black Butte Station; Mt. Shasta 1219 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  HSC65397  Eriophyllum lanatum var. lanceolatum R. White 1977-7-7 112 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  UC140641  Eryngium articulatum Dr. E. B. Copeland 1903-8-13 3819 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC54571  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  HSC6754  Erysimum capitatum var. purshii R. C. Wunner 1965-6-10 139 Siskiyou California Lava Beds National Monument, E side of Caldwell Butte above Caldwell Minor 1463 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  SJSU6271  Erythranthe cardinalis R. W. Trivelpiece 1971-8-27 87 Siskiyou near Lake Mt Lookout c. 6.5 mi SE of town of Seiad Valley, Marble Mts 1828 Comment
  CAS-BOT-BC310454  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6502 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA105511  Euphorbia crenulata G. D. Barbe 1955-6-28 010 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  RSA436010  Euphorbia crenulata W. Bridge Cooke 1940-6-28 15192 Siskiyou Along the Memorial Highway. 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
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  HSC39664  Festuca californica J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-4 5735 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  CAS-BOT-BC278731  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  RSA239114  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET238637 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta National Forest ; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 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
  HSC65430  Festuca occidentalis J. P. Smith 1973-5-5 6398 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC818056  Festuca occidentalis Louis C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek Siskiyou Mts., Mt. Diablo Mer. 1310 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC618987  Festuca pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  SEINET3364383 Image available Festuca roemeri Barbara L. Wilson 1996-6-22 8172 Siskiyou about 2 miles from Gazelle Road on the road to Mount Eddy (Forest Service Road 17). Comment
  UC197192  Festuca roemeri Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) 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
  HSC65340  Festuca rubra J. P. Smith 1973-5-5 6443 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET10559490  Festuca subulata A. Arthur Heller 1916-7-20 Heller 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in opening in the forest, 3900 Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  UC869460  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Marble Mountains, Etna Creek Etna Creek; Marble Mountains, Etna Creek 1524 Comment
  CAS-BOT-BC453508  Fragaria Alice Eastwood 1921-7-28 10882 Siskiyou Medicine Lake Comment
  RSA47798  Fragaria californica Roxana S. Ferris, Laura Lorraine 1948-6-12 11741 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  JEPS116627  Fritillaria atropurpurea J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -11 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  POM109736  Fritillaria atropurpurea Geo D. Butler 1910-4-24 1235 Siskiyou Kidder Creek Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  UCR40077  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  RSA67150  Galium bolanderi Louis C. Wheeler 1934-8-30 3228 Siskiyou Trapper Creek. Siskiyou Mts. 1585 Comment
  JEPS124616 Image available Galium boreale B. Corwin 1964-7-1 1127 Siskiyou On west side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  SBBG18851  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-7-3 8073 Siskiyou Scott Mtns, S of Calahan Comment
  UC722483  Galium glabrescens subsp. glabrescens C. L. Hitchcock and J. S. Martin 1939-7-6 5228 Siskiyou peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp road) 1828 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  POM60035  Galium trifidum Copeland 1904-8-14 3935 Siskiyou Sisson. Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  CAS-BOT-BC182230  Garrya fremontii W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Summit Comment
  CAS-BOT-BC182268  Garrya fremontii Elmer I. Applegate 1898-5-15 2138 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM208314  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mountains. 1067 Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  JEPS27560  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1938-7-31 263 Siskiyou about 12 air mi nw Happy Camp; Poker Flat 1219 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  CDA38117  Gayophytum diffusum subsp. parviflorum T. R. Haig & F. D. Horn 1979-7-26 s.n. Siskiyou Access road at Alder Creek, near Bray. 0 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  OBI48982  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  POM258621  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15335 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1220 Comment
  RSA13839  Gayophytum heterozygum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  HSC29484  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  POM171561  Gayophytum humile Doris K. Kildale 1928-7-4 5537 Siskiyou 1.5 miles east of summit between Sawyers Bar and Etna Mills 1829 Comment
  HSC19491  Gayophytum ramosissimum J. O. Sawyer 1969-6-12 993 Siskiyou On trail to Duck Lakes 1890 Comment
  CAS-BOT-BC376175  Gentiana calycosa Andrew Townesmith; Karen M. Meyer 2007-8-1 878 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
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  HSC96860  Gentiana newberryi var. newberryi Gordon Leppig, J. Cromwell 1997-7-25 577 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA238870  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  HSC86552  Geum macrophyllum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  RSA86642  Geum triflorum E. E. Stanford 1930-8-14 2087 Siskiyou Below summit of Sonora Pass. 2896 Comment
  JEPS69526  Gilia capitata subsp. capitata W. L. Jepson 1907-7-5 2832 Siskiyou Marble Mt. Marble Mt. (w Siskiyou Co.) 2133 Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  SEINET6836555 Image available Glyceria striata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  UC1608322  Glyceria striata J. Kierstead 1990-8-23 90 -138 Siskiyou Cold Creek Shasta-Trinity National Forests, Mt. Shasta (e slope of Mt. Shasta, McCloud Ranger Dist) 1615 Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC303202  Gnaphalium palustre Copeland 1903-10-5 3840 Siskiyou Igerma Comment
  POM211383  Gnaphalium thermale L. C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. Mt. Diablo Meridian. 1402 Comment
  HSC19396  Goodyera oblongifolia J. O. Sawyer 1968-7-2 358 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC388472  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  JEPS74424  Hackelia bella W. J. Ferlatte 1966-7-7 211 Siskiyou n.w. side Caribou Mt. (Trinity Alps); , Caribou Mt. 1828 Comment
  CDA40631  Hackelia californica J. R. Grisham & D. H. Shaw 1978-6-17 s.n. Siskiyou Old Stage Road, south of Mount Shasta City. 0 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
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC22138  Hackelia micrantha J. O. Sawyer 1969-8-1 1675 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA77831  Hackelia micrantha E. E. Stanford 1930-8-14 2086 Siskiyou Below summit of Sonora Pass, in open ground in loose soil 2896 Comment
  SBBG124765  Hackelia micrantha C. B. Hardham 1961-7-1 8031 Siskiyou near Mud Springs, Siskiyou Mtns Comment
  JEPS93917  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road (at its intersection with USFS41N10); Kangaroo Lake Road 1554 Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC506195  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit at Trinity County line 1633 Comment
  RSA237951  Hastingsia alba Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1301 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-BC302458  Hazardia whitneyi var. discoidea Annie M. Alexander; Louise Kellogg 1949-7-29 5899 Siskiyou Trail to Hidden Lake, above Sky High Lake. Sky High Valley, Marble Mountains 1767 Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  UC165252  Helenium autumnale Geo. D. Butler 1908-8-30 319 Siskiyou near Fort Jones; Scott River Comment
  HSC82363  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4514 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  UCR80231  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC305574  Helianthus bolanderi Ynez W. Winblad 1936-8-13 s.n. Siskiyou Dunsmuir Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  CAS-BOT-BC313467  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCR80254  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  SD40681  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  SD40655  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 Siskiyou northwest side of Goose Nest Mountain, about 1 mile due south of Old Smith Sawmill on Montague to Mount Hebron Road 1675 Comment
  SD90460  Hesperolinon micranthum Robert F. Thorne, Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC894671  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC509286  Heuchera merriamii Dana York 2011-9-8 3085 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, E slope of Kings Castle 2175 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC20188  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou Bluff above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC30651  Heuchera rubescens Frederick W. Oettinger 1969-9-4 1664 Siskiyou Marble Mtn. Wilderness Area, S side of Tobacco Lake Basin 1829 Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  HSC92732  Hieracium albiflorum Jennifer Whipple 1976-7-23 1513 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  RSA183492  Hieracium gracile J. M. Tucker, L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1921 Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC455911  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail, near box factory; Sisson Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  HSC5844  Hieracium scouleri R. C. Wunner 1965-9-12 512 Siskiyou California Lava Beds National Monument; Between Caldwell Butte and Caldwell Minor 1433 Comment
  HSC27643  Holcus lanatus Carl W. Mize 1972-6-21 79 Siskiyou Forks of Salmon. 343 Comment
  RSA449752  Holodiscus boursieri Katherine Curran 1887-09 s.n. Siskiyou Downer Lake, Siskiyou? Comment
  HSC40613  Holodiscus discolor J. P. Smith, Steve Selva 1970-6-17 4094 Siskiyou 6 mi. E of Somes Bar 259 Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  CAS-BOT-BC150137  Holodiscus microphyllus var. glabrescens 1902-9-7 s.n. Siskiyou Mt. Shasta - Horse Camp Comment
  CAS-BOT-BC150141  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  HSC4858  Holodiscus microphyllus var. microphyllus J. O. Sawyer 1968-6-25 302 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCD98179  Holosteum umbellatum subsp. umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada. 822 Comment
  RSA699532  Hordeum brachyantherum Jenny Marr 1993-07 136 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  UCD85470  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  CAS-BOT-BC289279  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake Comment
  CHSC88126  Hordeum brachyantherum subsp. brachyantherum Jenny Marr 1993-7-1 136 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD85929  Hordeum murinum subsp. glaucum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3387 Siskiyou At Weed. Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CDA2201  Hordeum vulgare var. trifurcatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2589 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  UCSB63906  Horkelia fusca var. parviflora Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31 1463 Comment
  CAS-BOT-BC514280  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke 1938-7-15 11229 Siskiyou Mount Shasta, above Bear Springs 1676 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  UC796495  Horkelia tridentata subsp. flavescens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11792 Siskiyou s Callahan (Scott Mountain Rd) Comment
  JEPS116582  Horkelia tridentata subsp. tridentata Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (in area burned by Hotlum Fire Feb 2006; ca. 4 mi NE of Town of Weed) 1249 Comment
  UC12375  Horkelia tridentata subsp. tridentata C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC539741  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD106151  Hosackia oblongifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  UC195204  Hulsea nana Annie M. Alexander and Louise Kellogg 1911-8-14 316 Siskiyou Mt. Eddy Comment
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1
  SEINET5518642  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  CAS-BOT-BC400984  Hypericum anagalloides A. A. Heller 1920-8-11 13510 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  RSA30670  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 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
  RSA112893  Ipomopsis aggregata subsp. formosissima Verne Grant 1957-8-22 10039 Siskiyou SW slope of Mt. Shasta, trail to Sierra Club hut 2378 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  UC643293  Ipomopsis congesta W. Bridge Cooke 1940-6-27 15202 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  HSC68472  Iris tenuissima Maralyn A. Renner 1980-6-26 1224 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', 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. Comment
  CHSC72228  Iva axillaris subsp. robustior Vernon H. Oswald; Lowell Ahart 1998-9-16 9631 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
  CAS-BOT-BC110024  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  UC1100939  Juncus balticus Calvin McMillan and Malcolm A. Nobs 1949-6-17 805 Siskiyou Highway 97 Grass Lake Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 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
  HSC67450  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA15458  Juncus bolanderi Carl B. Wolf 1927-8-26 1096 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  UC75259  Juncus bufonius Copeland 1903-7-7 3555 Siskiyou Hornbrook Comment
  UC842317  Juncus bufonius A. A. Heller 1916-6-20 12411 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  HSC61119  Juncus ensifolius Ruby Van Deventer 1955-8-1 Siskiyou FS Rd. 17N04, Del Norte Bog near Doe Flat 915 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA597972  Juncus mertensianus L. C. Wheeler 1963-8-31 8317 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  HSC19247  Juncus parryi J. O. Sawyer 1969-8-1 1686 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC691  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  UC842429  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC81132  Juniperus communis G. A. Coleman 1901-8-16 s.n. Siskiyou near head of Paulters Creek 2514 Comment
  HSC1220  Juniperus communis var. saxatilis J. F. Knezevich 1967-6-3 183 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  CHSC109716  Juniperus occidentalis Copeland 1903-7-4 3545 Siskiyou Klamatha. Comment
  HSC101732  Juniperus occidentalis Michael Kauffmann, Richard Moore 2013-5-27 14 Siskiyou Northwest of Sugar Lake, south-facing cirque in granite 2003 Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC483416  Juniperus occidentalis M. G. Anderson 1902-3-4 Siskiyou between Yreka and Humbug Creek Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  RSA46968  Keckiella corymbosa Carl B. Wolf 1927-8-27 1125 Siskiyou On the Klamath River, 4 miles 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
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  JEPS12472  Kelloggia galioides Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Upper Sacramento Region Comment
  SEINET12628769  Kelloggia galioides G. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  SEINET516315  Kochia scoparia Vernon H. Oswald 1998-9-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA32434  Koeleria macrantha Vernon H. Oswald & Lowell Ahart 1998-6-11 9194 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  CHSC114163  Lactuca serriola Barbara L. Wilson 2011-8-23 16860 Siskiyou Road 2M22 near Lake Siskiyou. 996 Comment
  UC642553  Lactuca serriola W. B. Cooke 1939-8-4 17398 Siskiyou along Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC340611  Lactuca serriola R. E. Frenkel 1964-10-2 872 Siskiyou On north-east side of Everitt Memorial Highway near Mount Shasta 1615 Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  CAS-BOT-BC204932  Lathyrus A. M. Vollmer; L. Beane 1951-6-2 57 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SBBG3356  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2194 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  RSA68869  Lathyrus nevadensis subsp. lanceolatus A. E. Culbertson 1943-7-1 87 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC73231  Lathyrus polyphyllus Gail Newton 1980-6-20 515 Siskiyou Near Bald Mtn. 1097 Comment
  HSC36669  Lathyrus polyphyllus Brent Whitely 1975-7-1 121 Siskiyou 671 Comment
  CAS-BOT-BC534901  Lemna turionifera Douglas Barbe 1955-6-29 050 Siskiyou 4.1 miles southeast of Etna on the East-side Rd. 914 Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  HSC78075  Lepidium latifolium R. & G. Pederson 1980-8-12 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge 1238 Comment
  CHSC43653  Lepidium perfoliatum Vernon Oswald 1986-5-29 2069 Siskiyou Hwy 97 between Dorris and Macdoel, 47.5 mi ne of Weed. Roadside. 1219 Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  POM259004  Leptosiphon harknessii C. L. Hitchcock, J. S. Martin 1939-7-6 5214 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  UC1287439  Lessingia nemaclada Willard Spence 1960-9-7 619 Siskiyou Route 99 at s city limits Dunsmuir Comment
  UC165403  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  CHSC96022  Leucothoe davisiae L. P. Janeway 2006-7-4 8787 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  UCD101655  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 76 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC444050  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-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  HSC26223  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-27 5349 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC7822  Lewisia triphylla Milo S. Baker 1893-8-5 501 Siskiyou Medicine Lake 1981 Comment
  HSC40983  Lewisia triphylla J. O. Sawyer 1975-7-16 2698 Siskiyou Along trail to Little Duck Lake, 1/2 mi. E of Lake 1829 Comment
  JEPS68581  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou along creek near Yreka Comment
  UCD65602  Leymus triticoides Mr. Roseman 1913-1 4 Siskiyou Butte Valley. Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  HSC22241  Ligusticum californicum J. O. Sawyer 1969-8-4 1818 Siskiyou Above Sugar Lake 2134 Comment
  HSC61140  Ligusticum californicum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  JEPS96247  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  RSA238846  Lilium kelleyanum Frederick W. Oettinger 1967-7-30 218 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC509364  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  RSA68939  Lilium kelleyanum A. E. Culbertson 1943-7-3 19 Siskiyou Castle Lake, 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
  CAS-BOT-BC130815  Lilium pardalinum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC130816  Lilium pardalinum W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC130823  Lilium pardalinum R. C. Wooley 1931-6-1 s.n. Siskiyou Shasta Retreat Comment
  CDA39353  Lilium pardalinum subsp. shastense T. C. Fuller 1960-7-25 4869 Siskiyou North limits Mt. Shasta City. 0 Comment
  JEPS80522  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou along first bluff Marble Gap Trail; Marble Mt. Wilderness Area 1828 Comment
  HSC77932  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1499 Siskiyou Near Beans Camp 1280 Comment
  CAS-BOT-BC133025  Lilium washingtonianum subsp. purpurascens G. P. Rixford s.n. Siskiyou Hilt Comment
  CAS-BOT-BC133026  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Green Pass 1676 Comment
  HSC22272  Lilium washingtonianum subsp. purpurascens J. O. Sawyer 1969-8-5 1960 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133100  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles north-east of the town of Mount Shasta 1402 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  RSA0087562  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Salmon Mountains: vicinity of English Peak, Marble Mountain Wilderness Area. Stream crossing approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. 1356 Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  UCD110590  Linum lewisii Wm E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  CHSC619  Lithocarpus densiflorus var. echinoides V. Holt 1936-7-3 Siskiyou Shasta City. 1097 Comment
  UC1185940  Lithocarpus densiflorus var. echinoides L. E. Detling 1950-6-8 6587 Siskiyou Dunsmuir 792 Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  CAS-BOT-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC64863  Lithophragma parviflorum J. P. Smith 1976-5-5 8705 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  POM92052  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills. Comment
  CHSC71287  Lithospermum ruderale Vernon H. Oswald; Lowell Ahart 1998-6-11 9176 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  RSA44060  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou Near Widow Springs, Mt. Shasta. Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC61916  Lomatium californicum Ruby Van Deventer 5 May [year missing] Siskiyou Poker Flat 1585 Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  JEPS177  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou Block 5 Yreka Comment
  UC673275  Lomatium peckianum Lincoln Constance and Reed C. Rollins 1942-5-14 2918 Siskiyou 1 mi. e. Yreka; Klamath-Siskiyou Region 762 Comment
  UC698032  Lomatium vaginatum J. F. Gates Clarke 1944-4-7 Siskiyou near Hornbrook (E side of Hwy 99, one mi S of California - Oregon border) Comment
  UC796489  Lonicera ciliosa Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11731 Siskiyou W of Callahan (French Creek Logging Road) 1066 Comment
  HSC58854  Lonicera conjugialis Marvin Butler 1971-7-19 158 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  RSA53845  Lotus corniculatus Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. 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
  UC15553  Lotus crassifolius var. crassifolius Milo S. Baker 1893-8-18 Siskiyou McCloud River Comment
  UC163680  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  UC454680  Lotus nevadensis var. nevadensis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  JEPS91408  Lotus oblongifolius var. oblongifolius Dean W. Taylor 1972-7-3 1582 Siskiyou Cook and Green Pass 1371 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 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
  UCR37812  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mtn Wilderness Area, trail from Big Rock Camp to Jumpoff 1982 Comment
  UC173901  Lupinus adsurgens Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  UC1096807  Lupinus albicaulis var. shastensis Douglas Barbe 1955-7-5 110 Siskiyou four and .7 mi w Greenview in Quartz Valley; Klamath Mountains, Quartz Valley 914 Comment
  UC69662  Lupinus albicaulis var. shastensis A. A. Heller 1905-6-13 8024 Siskiyou near Shasta Springs; ; near Shasta Springs, Siskiyou Co. Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  HSC71540  Lupinus albifrons J. P. Smith, Steve Selva 1970-6-15 3952 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC796507  Lupinus albifrons var. collinus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11725 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  HSC67776  Lupinus angustiflorus J. O. Sawyer, J. Cole 1980-7-21 3878 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UC1481929  Lupinus arbustus D. B. Dunn and B. J. Cox 1971-6-10 17952 Siskiyou 5 miles N of Weed, on U. S. Highway 97. Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SEINET10490581  Lupinus breweri var. breweri Ruth P. Ownbey 1938-7-20 Ownbey 1763 Siskiyou Open gravelly slopes near dry lake lookout, summit of the siskiyou mts., Siskiyou co., Calif. Comment
  NY15834  Lupinus corymbosus A. A. Heller 1905-6-9 8015 -s.n. Siskiyou Montague Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  HSC795  Lupinus croceus William J. Ferlatte 1967-7-9 700 Siskiyou Kidd Creek Trail 1677 Comment
  SEINET10485425  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6972 Siskiyou On gravelly roadside, 1.1 mi. From interstate 5 on hwy 3 se of yreka in open Exposed area. 914 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  UCSB16735  Lupinus latifolius 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CHSC66540  Lupinus lepidus var. sellulus Vernon H. Oswald 1996-7-12 8006 Siskiyou High Cascade Range. Sand Flat on Mt. Shasta 1.5 mi N of Everitt Memorial Hwy. (A10). 2164 Comment
  UC148427  Lupinus leucophyllus Katharine Brandegee July 1887 Siskiyou Ager Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  UC144497  Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  POM25660  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou Dry land near Yreka. Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  UC1303175  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou near the town of Mt. Shasta Spring Hill Comment
  RSA215652  Lupinus polyphyllus subsp. polyphyllus Gilbert Muth 1969-8-11 1366 Siskiyou On slope beneath high point of ridge south of Boulder Peak. 2317 Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  UC454668  Lupinus polyphyllus var. burkei I. J. Condit 1909-8-23 Siskiyou near Sisson Castle Lake (Castle Lake); Castle Lake near Sisson 1828 Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  UCD77846  Luzula comosa Robert E. Preston 2001-6-23 1611 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  HSC18965  Luzula parviflora J. O. Sawyer 1969-8-5 1952 Siskiyou Alluvial terrace above the S fork of Sugar Creek 1814 Comment
  HSC41066  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along Rd. 41N14 S of Sugar Creek Comment
  UC163701  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  HSC26750  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4827 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC133253  Madia elegans Dr. E. B. Copeland 1903-8-13 3820 Siskiyou Sisson 1066 Comment
  RSA240067  Madia elegans subsp. elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones [east-northeast of the Marble Mountains Wilderness Area] Comment
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  CHSC79468  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Northern California. Siskiyou Mountains. Bear Creek Rd. +/- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. UTM: 10S, 04623 N, 46153 E. Comment
  HSC161  Madia gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Big Flat, near public campground 1524 Comment
  HSC43829  Madia gracilis Maralyn O'Meara 1974-5-27 480 Siskiyou Along FS Rd. 47N03 1280 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
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  HSC68441  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-4 1388 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC514183  Maianthemum stellatum Ira L. Wiggins 1955-7-23 13478 Siskiyou Banks of China Creek 1097 Comment
  UCD134395  Malacothrix floccifera Steve Selva; James Payne Smith, Jr 1970-7-15 3974 Siskiyou 1 mile west of junction California 3 and Road 8 leading to Sugar Creek. 1158 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
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA239020  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  HSC15011  Melilotus albus R. C. Wunner 1965-7-16 396 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  CHSC75728  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1999-7-5 9798 Siskiyou Gazell-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  UC454539  Mentzelia dispersa I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC429261  Micranthes oregana Alice Eastwood 1923-5-22 11890 Siskiyou Sissons [Sisson] Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  UC707027  Microseris laciniata subsp. siskiyouensis G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3273 Siskiyou along river 2 mi n Swillup Creek Ranger Station; Klamath River 270 Comment
  HSC33334  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou USFS Campground at Big Flat 1524 Comment
  SEINET3145680  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  HSC23539  Mimulus breweri J. O. Sawyer 1969-8-4 1799 Siskiyou Above Sugar Lake 2134 Comment
  UC484059  Mimulus cardinalis Carl B. Wolf 1930-10-23 1757 Siskiyou 2 mi below Browns Resort; Klamath River 304 Comment
  RSA237550  Mimulus floribundus Frederick W. Oettinger 1969-7-11 980 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  RSA126053  Mimulus guttatus I. L. Wiggins 1955-7-22 13444 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC54647  Mimulus layneae H. M. Hall and E. B. Babcock June, 1903 4038 Siskiyou below Dunsmuir; Sierra Nevada Mountains 609 Comment
  HSC29422  Mimulus lewisii Frederick W. Oettinger 1969-8-21 1477 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake Comment
  HSC67758  Mimulus moschatus John Palmer 1980-8-15 994 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UCD122803  Mimulus moschatus J. M. Tucker; D. V. Hemphill 1974-7-27 4305 Siskiyou at edge of Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC425  Mimulus moschatus William J. Ferlatte 1966-8-18 410 Siskiyou 3 mi. S of Big Flat 1585 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
  UCSB59405  Mimulus nanus var. jepsonii Thompson, David 1988-6-4 Siskiyou 8.0 mi E of McCloud along Hwy 89; SW corner of jct of Bigelow Meadows Road and Hwy 89; Opposite Hwy 89 from USFS Road 40N16; 2.4 mi W of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi W of USFS Ash Creek Station; T39N, R1W, S5 1100 Comment
  POM253585  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  JEPS93911  Minuartia nuttallii subsp. gregaria Vernon H. Oswald and Lowell Ahart 1998-8-3 9450 Siskiyou 4.9 mi se of Gazelle-Callahan Road (Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08)) 1767 Comment
  CAS-BOT-BC181111  Minuartia nuttallii var. gregaria Ira L. Wiggins 1955-7-29 13584 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  UC375336  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley Comment
  CAS-BOT-BC540350  Minuartia rubella Dana York 2012-7-20 3127 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  CHSC69823  Minuartia stolonifera Thomas W. Nelson; Jane P. Nelson 1979-5-26 4723 Siskiyou North Coast Ranges. Along State Route 3 3 miles north of Scott Mountain Pass at junction with road 40N03. Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  CAS-BOT-BC229603  Mirabilis greenei W. B. C. 1940-6-20 15155 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC433015  Mitella diversifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  SEINET6167732  Mitella diversifolia G. D. Butler 1910-1 1391 Siskiyou Humbug Mt. 1219 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1408866  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou Tom's Lake Basin Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (n side, w Siskiyou Co.) 2103 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  UC162893  Moehringia macrophylla Harley P. Chandler June, 1901 1568 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC221817  Monardella odoratissima G. B. Grant 1902-9-8 5731 Siskiyou Mt. Shasta 2438 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UC164002  Monardella odoratissima subsp. glauca Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mountain 1219 Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  CAS-BOT-BC222164  Monardella odoratissima subsp. pallida A. A. Heller 1920-8-12 13515 Siskiyou Horse Camp, Mt. Shasta Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  UC25518  Monardella odoratissima subsp. pallida W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  RSA183663  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Dry hillside in Marble Valley, Marble Mtns. Comment
  SEINET10582374  Monardella siskiyouensis A. Graff 1993-7-24 Graff 357 Siskiyou Klamath National Forest. Hwy. 96 east, 3.3 miles past the first USNFS Ranger Station, on right roadside. Growing beneath Pinus ponderosa, Quercus kelloggii. Comment
  SEINET6652812 Image available Monotropa hypopitys D. V. Hemphill 1974-1 Siskiyou Marble Mountain Wilderness Area; ca. 1/4 mi north of Jawbone Camp 1554 Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  CAS-BOT-BC445112  Montia linearis W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows, near Mt. Shasta Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC22224  Montia parvifolia J. O. Sawyer 1969-7-10 1302 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA239108  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-22 1492 Siskiyou Horse Hole pond, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD86716  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  JEPS95094  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  HSC30410  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Marble Mtn. Wilderness Area, W of English Lake 1936 Comment
  UCD106105  Navarretia capillaris J. M. Tucker 1974-7-28 4327 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  POM65859  Navarretia intertexta Copeland 1903-7-2 3553 Siskiyou Klamathon. Comment
  UC880193  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  CAS-BOT-BC219531  Nemophila parviflora John Thomas Howell 1937-7-22 13267 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC163670  Nitrophila occidentalis Geo. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  RSA120901  Noccaea Milo S. Baker 1957-6-16 13140 Siskiyou Scott Mountains Comment
  CAS-BOT-BC349923  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 mi. NW. Schonchin Butte, (along road) Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  HSC69310  Nothochelone nemorosa Maralyn A. Renner 1980-7-24 1977 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  UCR37823  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area Comment
  UCD110211  Notholithocarpus densiflorus R. Tofsrud; J. M. Tucker 1948-8-3 1775 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  CAS-BOT-BC349938  Onopordum acanthium W. E. Huse; T. C. Fuller 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake Comment
  CAS-BOT-BC349960  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou F. Voelker ranch, W edge Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  JEPS57398  Orobanche corymbosa subsp. mutabilis L. R. Heckard with T. I. Chuang 1968-7-3 1974 Siskiyou 2 miles north of Deer Lodge (ca. 18 miles north of Weed), along U. S. Highway 97. Comment
  RSA0066431  Orobanche fasciculata E. K. Balls 1949-7-8 13916 Siskiyou Trail from Scot Mountain Camp to Carmen Lake. 1752 Comment
  HSC19207  Orthilia secunda J. O. Sawyer 1968-7-9 443 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA0083186  Orthilia secunda M. B. Dunkle 1944-8-25 9168 Siskiyou Hungry Creek. 1829 Comment
  RSA0083200  Orthilia secunda H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4421 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  POM15342  Orthocarpus bracteosus Copeland 1903-8-19 3897 Siskiyou Upton. N. Cal. [Siskiyou or Napa counties]. Comment
  UCR244767  Orthocarpus cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 mi. on Forest Service Rd. 70, off US Hwy 97 toward Oregon 1956 Comment
  SBBG40873  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-6-30 7997 b Siskiyou near Mud Spring Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  POM255779  Orthocarpus cuspidatus subsp. cuspidatus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  UC1114764  Orthocarpus imbricatus W. Bridge Cooke 1956-7-19 30309 Siskiyou below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  UCD77894  Osmorhiza depauperata Robert E. Preston 2001-7-20 1684 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  JEPS84040  Osmorhiza occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6409 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of canyon); Hell's Canyon 1750 Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC922403  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1949-7-21 5831 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  RSA237404  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou East bank of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CAS-BOT-BC316752  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone 2895 Comment
  UC585146  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1880 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope of Mt. Shasta 1249 Comment
  CAS-BOT-BC253764  Panicum capillare Carl B. Wolf 1927-8-26 992 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  CAS-BOT-BC175609  Parnassia palustris William A. Dayton 1913-9-15 599 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1676 Comment
  CAS-BOT-BC175613  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  RSA12672  Paxistima myrsinites C. B. Wolf 1934-7-6 6023 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 3 2012
  RSA264988  Paxistima myrsinites G. L. Clifton 1975-7-28 5737 Siskiyou Near Cook and Green Pass near Seiad Valley. 1646 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
  CAS-BOT-BC266649  Pedicularis bracteosa var. flavida Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mountains Comment
  UC1005596  Pedicularis densiflora Frank W. Gould 1940-5-15 1242 Siskiyou on road from Mount Hebron to Montaque; Bald Mountain 1676 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  JEPS84022  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  CAS-BOT-BC67686  Pellaea brachyptera Doris K. Kildale 1928-8-20 6591 Siskiyou Lily Pad Lake near Hancock Lookout. Comment
  UC71515  Pellaea breweri Harley P. Chandler June, 1901 1660 Siskiyou Marble Mt; North Coast Ranges 2438 Comment
  CAS-BOT-BC67670  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area - southwestern ride of Black Marble Mountain. 2133 Comment
  JEPS7207  Penstemon anguineus Geo. D. Butler 428 Siskiyou on trail beyond Whiskey Camp; Independence Creek, beyond Whiskey Camp Comment
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  SD75840  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, near Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  RSA505404  Penstemon azureus R. C. Bacigalupi, S. Galen Smith, G. Bacigalupi 1957-6-26 5964 Siskiyou Canyon of the South Fork of the Sacramento River,at its source in the region immediately south of Mt. Eddy, along very poor mountain road to Gumboot Lake. 1433 Comment
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 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
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC265382  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 4483 Siskiyou 9.4 miles W Indian Wells Ranger Station 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
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  UC1190243  Penstemon deustus var. suffrutescens Ira L. Wiggins 1955-7-29 13583 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); summit of ridge above Thompson Creek 1999 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC1584307  Penstemon gracilentus Julie Kierstead 1989-6-28 89 -53 Siskiyou vicinity spatter cones in T43N R3E S33 SE1/4 (McCloud R.D., Medicine Lake Highlands, Shasta-Trinity N.F.); Shasta-Trinity National Forests, Medicine Lake Highlands 1798 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  RSA34969  Penstemon gracilentus Roxana S. Ferris, Laura Lorraine 1941-8-11 10507 Siskiyou 3 miles from Medicine Lake on road to Modoc Lava Beds National Monument. Shasta National Forest. Comment
  RSA519225  Penstemon gracilentus Karl Vincent, Charlotte A. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn. Along Butte Mtn Rd, ca 3.6 miles W of jct Meiss Lake Rd, located 7.2 mi W of jct US 97 on S side of Macdoel. 1829 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  NY603693  Penstemon humilis var. humilis K. A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Road, ca. 4.6 miles southeast of jct. US 97 located 14.4 miles northeast of jct. US 97 and I-5 Business Loop in Weed. 1554.5 Comment
  HSC21017  Penstemon laetus subsp. sagittatus D. M. Thomson 1965-8-4 165 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  CHSC99994  Penstemon laetus var. sagittatus L. P. Janeway 2008-7-25 9501 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass; 0.4 km southeast of Red Butte. 1736 Comment
  RSA15583  Penstemon laetus var. sagittatus Carl B. Wolf 1927-8-27 1145 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  UC1874902  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mt Shasta, along E side of US 97 ca 5.1 mi NE of jct. I-5 Bus. 1158 Comment
  RSA21194  Penstemon newberryi subsp. newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou Sw side of Mt Shasta, 0.5 mi S of trail to Horse Camp. 1524 Comment
  CAS-BOT-BC239344  Penstemon newberryi var. berryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  UC618699  Penstemon newberryi var. newberryi W. Bridge Cooke 1938-6-17 11010 Siskiyou Sisson Southern Trail Mount Shasta 2438 Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS11201  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  UC886815  Penstemon parvulus John Thomas Howell 1939-8-2 14899 Siskiyou Spirit Lake , Spirit Lake (Marble Mts.) 1828 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  CAS-BOT-BC94548  Penstemon procerus subsp. brachyanthus R. C. Wenk 2006-9-2 544 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  POM259368  Penstemon procerus subsp. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains: Black Mountain. Comment
  HSC2403  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-8-17 398 Siskiyou Caribou Basin 1982 Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  NY651262  Penstemon rydbergii var. oreocharis L. S. Rose 1946-6-4 46146 Siskiyou 18 miles southwest of Macdoel 1371.6 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  RSA189808  Penstemon speciosus Noel Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  POM82579  Perideridia gairdneri subsp. borealis Mrs. R. M. Austin, Bruce 1897-8-9 1580 Siskiyou Quartz Valley Comment
  UC535906  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 a Siskiyou s Lower Klamath Lake; Willow Creek 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
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  CAS-BOT-BC423349  Peritoma platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou Shasta Valley near Montague Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  SD53409  Persicaria maculosa Darley F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96 518 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
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  JEPS117879  Phacelia cookei unknown 1976-7-27 Siskiyou Along Military Pass Road on edge of Goosenest Pine Plantation. Comment
  UC1442843  Phacelia cookei W. B. and V. G. Cooke 1965-7-12 35182 Siskiyou Bolam Rd Mt. Shasta Comment
  HSC130440  Phacelia greenei Thomas W. Nelson, Susan Erwin 2004-6-3 9221 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  JEPS33176  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Plowman's Valley (Noyes Valley), e. fork of Scott River, Schoolhouse Hill Schoolhouse Hill; e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  SDSU6611  Phacelia hastata subsp. compacta D. F. Howe 1962-7-4 Siskiyou Near summit of Baldy Mt. Comment
  UC618688  Phacelia hastata subsp. compacta John Thomas Howell 1938-7-28 11359 Siskiyou North Ridges Mount Shasta Comment
  SEINET5763830  Phacelia heterophylla G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  UC164119  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  CAS-BOT-BC95013  Phacelia mutabilis R. C. Wenk 2006-9-2 552 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1889 Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  HSC24686  Phacelia mutabilis J. O. Sawyer 1969-7-9 1265 Siskiyou Summit above S Sugar Lake. 2378 Comment
  UC1400325  Phacelia pringlei F. W. Oettinger 1969-7-25 Siskiyou near Kangaroo Lake Campground (ca 15 air mi sw of Weed); Shasta-Trinity National Forest, Scott Mts. Comment
  UC1473424  Phacelia pringlei Gilbert Jerome Muth 1978-8-2 7340 Siskiyou near Cabin Meadow Creek (close to town of Callahan); China Mt. Quadrangle 1853 Comment
  RSA0106628  Phacelia pringlei Louise Kellogg 1953-8-5 105 Siskiyou Cabin Meadow, 1 mile north of Corey Peak, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on the logging road). 1845 Comment
  CAS-BOT-BC159001  Phacelia ramosissima var. ramosissima Alice Eastwood 1912-8-30 2020 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC77421  Philadelphus lewisii Doris K. Kildale 1928-8-20 6636 Siskiyou North Fork Salmon River near Seiad at Finley Upper Camp Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  JEPS80576  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou down creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  CAS-BOT-BC250791  Phleum alpinum L. R. Short 1933-9-9 65 Siskiyou Rogue River. Aleck's Hole 1889 Comment
  RSA184776  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  RSA233682  Phleum alpinum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38959 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC99790  Phlox diffusa G. L. Clifton, Griswold 1979-6-28 6110 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  UC164140  Phlox hoodii subsp. canescens Geo. D. Butler 1909-5-15 738 Siskiyou Klamath Hills Klamath Comment
  UC722469  Phlox speciosa C. L. Hitchcock and J. S. Martin 1939-7-7 5272 Siskiyou 1 mi s Camp Chicago (Sanger Peak Trail, ca 12 mi s of Takilma, Oregon); Siskiyou Mts. 1432 Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  RSA104265  Phlox speciosa subsp. occidentalis Elizabeth Sprague 1956-6-3 s.n. Siskiyou 10 miles south of Yreka on Highway 99 Comment
  CAS-BOT-BC135026  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  JEPS24013  Phoradendron villosum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6874 Siskiyou at bridge over Ash Creek Klamath R. canyon (2 mi. w. of junction of State Hwy. 96 with U.S. Hwy. 99 (at mouth of Shasta R.)) 563 Comment
  CAS-BOT-BC250993  Phragmites australis Louis C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley 4 miles E Grenada 868 Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  UC166486  Phyllodoce empetriformis Geo. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1828 Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  JEPS87965  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  CAS-BOT-BC78156  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar 1615 Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  JEPS110479  Pinus albicaulis Robert E. Preston 2001-6-23 1519 a Siskiyou Klamath National Forest, E peak of Rainbow Mountain. 2118 Comment
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Jun 3 2018
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  UC1713756  Pinus balfouriana Mastrogiuseppe 1967-1-30 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC78412  Pinus balfouriana Milo S. Baker Aug 8 246 a-'26 Siskiyou Saddle bet. Red Mt and Granite 2286 Comment
  CAS-BOT-BC78496  Pinus contorta subsp. murrayana W. B. C. 1938-8-24 11585 Siskiyou Along the Round-the-Mountain road 1798 Comment
  CAS-BOT-BC73092  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. 1188 Comment
  CAS-BOT-BC73097  Pinus lambertiana Doris K. Kildale 1929-5-11 7749 Siskiyou Cecilville, South Fork of Salmon River Comment
  CAS-BOT-BC78960  Pinus monticola G. A. Coleman 1901-7-31 s.n. Siskiyou Near summit of range, west of forks of Salmon River Comment
  RSA624477  Pinus monticola L. C. Wheeler 1958-8-20 7409 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 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
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  CHSC2355  Piperia unalascensis V. Holt 1932-7-23 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  UC922362  Piperia unalascensis Annie M. Alexander and Louise Kellogg 1949-7-31 5907 Siskiyou lower end Sky High Valley; Marble Mountains 1767 Comment
  RSA120507  Piperia unalascensis S. S. Tillett 1956-7-9 629 Siskiyou Northwest facing slope of Scott Mountain. Trinity-Siskiyou Cos line, ca. 8 miles southeast of Callahan 1829 Comment
  RSA237630  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou Northwest of English Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1982 Comment
  UC206170  Plagiobothrys Milo S. Baker 1898-8-1 490 Siskiyou Payne's Springs Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  CAS-BOT-BC231008  Plagiobothrys hispidulus A. A. Heller 1922-7-15 13712 Siskiyou Meadow at Medicine Lake 2133 Comment
  SD61055  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou 3.7 mi. so. Of no. entrance to Klamouth Nat. Forest on #97. 1584 Comment
  JEPS107650  Plantago eriopoda Lowell Ahart, John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC30626  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above trail near Young's Cabin on N Fork of Salmon River, Salmon Mts. Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCSB51239  Platanthera dilatata Almanza, Ed 1976-7-14 Siskiyou at lakeside spring; Northwest bank; Castle Lake 2407 Comment
  HSC92097  Platanthera dilatata var. leucostachys Jennifer Whipple 1976-7-24 1565 Siskiyou Mount Eddy. SW of Dobkins Lake, along drainage into lake 2226 Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  HSC484  Platanthera sparsiflora William J. Ferlatte 1967-7-25 723 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC261069  Poa Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  CAS-BOT-BC254780  Poa bolanderi Karl Ney 1945-8-5 48 Siskiyou Paradise Lake, Klamath forest 1950 Comment
  SEINET3123536 Image available Poa compressa P. M. Peterson 2006-1 Siskiyou 6.5 mi SW of Etna on Forest Service Rd1C-01 towards Etna Summit Comment
  UC2046863  Poa cusickii subsp. cusickii R. E. Brainerd with N. Otting 2013-7-12 2179 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Trail just above Upper Wright Lake. Comment
  UCD91985  Poa pratensis Roger Zwanziger 1950-4-22 s.n. Siskiyou Albee Ranch. Comment
  UC1132719  Poa pratensis subsp. pratensis H. A. Jensen 1933-7-27 333 Siskiyou Grey Butte; Shasta Nat'l Forest, Dunsmuir Quadrangle Comment
  POM112569  Poa rhizomata Geo D. Butler 1910-4-21 1206 Siskiyou Kidder Creek 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
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC34000  Poa secunda subsp. secunda J. P. Smith 1974-5-25 7479 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UCD90718  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1249 Siskiyou Yreka. Comment
  CDA32654  Poa secunda subsp. secunda G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2775 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1112247  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou ca. 2 miles North of Weed along Highway 99 1036 Comment
  UC163837  Polemonium californicum Geo. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain 1828 Comment
  CAS-BOT-BC232902  Polemonium carneum Grace Wood 1919-5-9 s.n. Siskiyou Greenhorn Road Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC449766  Polemonium occidentale J. W. Congdon 1900-8-9 Siskiyou Sissons , Sissons (Shasta Region) Comment
  CAS-BOT-BC231349  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  HSC45817  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  CHSC48339  Polyctenium fremontii var. fremontii Vernon Oswald 1986-5-29 2073 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  HSC17464  Polygonum aviculare var. angustissimum Geo. D. Butler 1908-8-28 190 Siskiyou Mining dump of L. Eastlick near Oro Fino Comment
  UC1408823  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou slope dropping down to Upper English Lake (near trail Y to English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  JEPS50519  Polygonum convolvulus W. L. Jepson July 1894 14773 Siskiyou Sisson Comment
  JEPS25561  Polygonum davisiae Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7186 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Hwy, sw slopes of mt.); Mt. Shasta 2346 Comment
  RSA233652  Polygonum davisiae Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38986 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET3160402  Polygonum davisiae M. S. Baker sn Siskiyou Mt. Shasta; Ash Creek above Warren & Anderson's Mill Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  UC1735923  Polygonum douglasii Dean W. Taylor 1987-8-6 9242 Siskiyou Porcupine Lake; ; Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  HSC22416  Polygonum douglasii J. O. Sawyer 1969-7-25 1529 Siskiyou Southeast facing slope above Sugar Lake 1845 Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  RSA0005197  Polygonum greenei Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  RSA237761  Polygonum kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Along trail just NW of falls, Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  RSA237767  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  UC1540134  Polygonum newberryi Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9260 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme nw section of county) 2407 Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
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May 22 2011
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC1191240  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou 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
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  SEINET4335277  Polygonum spergulariiforme G. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC618733  Polystichum imbricans subsp. imbricans W. Bridge Cooke 1938-9-2 11594 Siskiyou along Sisson Southern Trail Mt. Shasta Comment
  UC705505  Polystichum imbricans subsp. imbricans Marion Ownbey and Fred G. Meyer 1940-7-7 2209 Siskiyou sw of Yreka (Soap Ridge at top of ridge) Comment
  CAS-BOT-BC76739  Polystichum imbricans subsp. imbricans Dorothy Parker 1961-6-11 893 Siskiyou Headwaters of the South Fork of Scott River. 1524 Comment
  CAS-BOT-BC72383  Polystichum lemmonii Alice Eastwood 1912-8-30 2043 Siskiyou Mount Eddy Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  SEINET10754709  Polystichum lemmonii Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  CAS-BOT-BC72405  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC79133  Polystichum lonchitis C. J. Thomas 1983-10-1 86 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  SEINET8263372  Populus fremontii Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  HSC67627  Populus trichocarpa J. P. Smith, Steve Selva 1970-7-15 4345 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UCSB22575  Populus trichocarpa Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  RSA768773  Potamogeton pusillus subsp. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  SEINET10501887  Potamogeton richardsonii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC143262  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  UC609336  Potentilla flabellifolia Eleanor Burks Hart 1938-8-19 936 Siskiyou Upper Wright Lake 2225 Comment
  POM208202  Potentilla glandulosa var. nevadensis Louis C. Wheeler 1934-6-19 2732 Siskiyou Cottonwood Creek, Siskiyou Mts. 1433 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  HSC90539  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-24 1543 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC158201  Prunus emarginata A. A. Heller 1922-7-14 13683 Siskiyou At the foot of Pumice Stone Mountain Comment
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158234  Prunus emarginata L. B. Kildale 1930-6-1 9731 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  JEPS82469  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountain Wilderness Area Marble Valley Meadow; , Marble Mountain Wilderness Area 1792 Comment
  POM88583  Prunus emarginata Edward Palmer 1892-7-13 2563 Siskiyou Mount Shasta and vicinity Comment
  RSA211470  Prunus emarginata William J. Ferlatte 1966-6-22 123 Siskiyou Yellow Rose Mine. 1982 Comment
  UC796547  Prunus emarginata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11776 Siskiyou about 5.5 mi from Etna (on forks of Salmon Road) Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  RSA1113  Prunus emarginata E. R. Johnson 1928-8-31 1194 Siskiyou Lava beds between Lookout and Bartle Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 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-BC151240  Prunus virginiana var. demissa L. B. Kildale 1930-5-31 9795 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC18835  Prunus virginiana var. demissa D. M. Thomson 1965-8-14 198 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  RSA184747  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble S of camp. Marble Mtns. 1793 Comment
  UCR93371  Prunus virginiana var. demissa Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  OBI55480  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  HSC46225  Psilocarphus tenellus Jennifer Whipple 1978-6-5 2336 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 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
  UCR17257  Purshia tridentata Frank C. Vasek 1975-6-29 750617- 02 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC147892  Purshia tridentata var. tridentata Doris K. Kildale; J. W. Gillespie 1929-6-22 8030 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  RSA756945  Pyrola asarifolia R. F. Thorne 1969-8-2 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  HSC19193  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1968-6-18 189 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69309  Pyrola crypta Maralyn A. Renner 1980-7-24 1979 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS83862  Pyrola crypta Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. vicinity Cook and Green Pass 1463 Comment
  CAS-BOT-BC462797  Pyrola dentata L. E. Smith 1913-6-29 438 Siskiyou Mt. Eddy Comment
  CHSC78495  Pyrrocoma racemosa var. pinetorum Vernon H. Oswald 2000-8-28 9960 Siskiyou Hwy 3 2.2 mi north of Scott Mtn. Summit. 1411 Comment
  JEPS82715  Quercus Wayne Roderick 1981-7-4 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC68644  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 b Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC36690  Quercus chrysolepis Brent Whitely 1975-6-21 15 Siskiyou 223 Comment
  UCD40473  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -25 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  UC848033  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station Siskiyou Mountains, Klamath River 670 Comment
  POM267245  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles north of Happy Camp. Comment
  UCD46170  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 D Siskiyou Summit of Happy Camp-O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  UCSB1175  Quercus garryana var. breweri Muller, Cornelius 1954-6-23 Siskiyou Summit, 3.5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou Co. line Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  RSA281650  Quercus sadleriana S. O. Mattoon 1979-8-3 70 Siskiyou Bolan Lake, 12 air miles ESE of Hwy 199 and Obrien ore and 3 air miles N of Del Norte county, Siskiyou Mountains. 1829 Comment
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  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  UCD83687  Quercus sadleriana J. M. Tucker 1963-8-20 3788 Siskiyou Marble Mountain Wilderness Area, trail from Marble Valley Guard Station to Lover's Camp, along Canyon Creek, ca. 2 mi up the canyon from Lover's Camp. 1432 Comment
  LA205358  Quercus sadleriana Edward Lee; 1934-8-13 1067 Siskiyou Kalmath National Forest, Happy Camp to Waldo (Oregon) rd, watershed of W Branch of Indian Creek 1371 Comment
  CAS-BOT-BC104616  Quercus vacciniifolia L. E. Smith 1913-6-29 417 Siskiyou Rainbow Comment
  CAS-BOT-BC104638  Quercus vacciniifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  HSC98342  Quercus vacciniifolia William J. Ferlatte 1967-7-8 671 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  JEPS20044  Quercus vacciniifolia George D. Butler 1908-8-11 231 Siskiyou Shackleford Creek 1158 Comment
  RSA622138  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo road. Comment
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  CAS-BOT-BC328127  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Near Mount Eddy ca. 0.25 mile north of Gumboot Lake along Gumboot Creek, Shasta-Trinity National Forest Comment
  SEINET5338249  Ranunculus alismifolius G. Butler 1910-5-10 1322 Siskiyou Gosenest Mt., Bulls Meadows. 1676 Comment
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC62284  Ranunculus orthorhynchus Al Hobart 1971-7-14 Siskiyou Youngs Valley 1220 Comment
  CAS-BOT-BC56113  Rhamnus ilicifolia W. B. C. 1940-6-20 15141 Siskiyou along the Klamath River west of the Pacific Highway 609 Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  HSC4877  Rhododendron columbianum J. O. Sawyer 1968-7-9 453 Siskiyou W of Little Duck Lake at lake edge 1936 Comment
  HSC749  Rhododendron columbianum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC58186  Rhododendron columbianum Volney Rattan 1879-1-1 10345 Siskiyou Illinois River. Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CHSC4532  Ribes J. E. Bowlin 1967-7-18 42 Siskiyou Ca. 3.4 mi w of Mount Shasta Ski Bowl. On side of road in chapperal, and brush. 2164 Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  SBBG15096  Ribes cereum J. Major 1961-7-14 635 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  SEINET13942355 Image available Ribes cereum W. M. Bridge Cooke 1941-1 16379 Siskiyou A large colony of shrubs occurs around the source of MacBride Springs, Mt. Shasta. Elevation 5000 Comment
  SEINET13942420 Image available Ribes cereum Frank W. Gould 1940-1 1254 Siskiyou Bald Mountain on road from Mt. Hebron to Montague,in pine woods. 5,500 ft. 152 Comment
  CAS-BOT-BC6178  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  CAS-BOT-BC173299  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou Trail crossing China Creek, above S. Fork of Salmon River, south of Mountain View Ranch (7 miles aove Cecilville) 1301 Comment
  CAS-BOT-BC173301  Ribes lacustre Harley P. Chandler 1901-6-1 1561 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  HSC19426  Ribes lacustre J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA0021110  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  HSC19375  Ribes lobbii J. O. Sawyer 1968-9-28 738 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  HSC34291  Ribes marshallii J. P. Smith, J. O. Sawyer 1973-8-14 7285 Siskiyou On trail from Campbell Lake to Cliff Lake 1585 Comment
  JEPS105033 Image available Ribes nevadense Dean W. Taylor 1996-7-11 15784 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  UC478902  Ribes nevadense Marcus E. Jones, A. M. 1931-7-17 29003 Siskiyou Shasta City (Session's) Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  HSC36607  Ribes sanguineum Brent Whiteley 1975-6-28 89 Siskiyou 915 Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  CHSC36158  Ribes velutinum K. Bridwell 1978-4-14 86 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  HSC22201  Ribes viscosissimum J. O. Sawyer 1968-7-22 533 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  UC375409  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC74660  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mountains. Horse pasture above camp. 1798 Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  UC1871388  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  CAS-BOT-BC147465  Rosa californica Doris K. Kildale 1929-6-25 8371 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  HSC26766  Rosa californica J. P. Smith, J. O. Sawyer 1971-9-18 4841 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC146741  Rosa gymnocarpa A. A. Heller 1905-6-5 s.n. Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UC454967  Rosa gymnocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC1585381  Rosa gymnocarpa R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 46 Siskiyou n Seiad Valley; Cook and Green Pass 1425 Comment
  CAS-BOT-BC147067  Rosa pisocarpa Alice Eastwood 1912-9-4 2099 Siskiyou Sisson Comment
  CAS-BOT-BC147071  Rosa pisocarpa Alice Eastwood 1912-7-17 1166 Siskiyou Sisson Comment
  CAS-BOT-BC147080  Rosa pisocarpa Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  UC1409336  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou talus below shore cliff just below Diamond Lake (on way toward English Lake); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  CAS-BOT-BC149744  Rosa woodsii subsp. ultramontana Doris K. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook 609 Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  HSC19649  Rubus leucodermis R. C. Wunner 1965-6-29 289 Siskiyou California Lava Beds National Monument; 50 yds off Tichner Rd. near lava chimney, 1 1/2 mi. from Mammoth Crater Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  HSC34142  Rubus macropetalus J. O. Sawyer 1969-7-26 1590 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC147317  Rubus parviflorus L. E. Smith 1913-5-27 291 Siskiyou Weed Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 Comment
  UC164308  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC157160  Rubus ursinus Doris K. Kildale 1929-8-23 8809 Siskiyou Young's Valley, on trail to Preston Peak Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC6026  Rudbeckia californica var. intermedia L. E. Smith 1913-9-1 557 Siskiyou Mt. Eddy Comment
  JEPS87796  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  CAS-BOT-BC422227  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  RSA184722  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  CHSC93540  Rumex crispus Lowell Ahart; John Dittes 2005-6-10 12061 Siskiyou 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-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  UCD101600  Rumex salicifolius Rolf Y. Berg 1964-7-15 8269 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  CDA2884  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  HSC65319  Sagittaria cuneata J. P. Smith, Steve Selva 1970-8-8 4547 Siskiyou Juanita Lake Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103371  Salix bonplandiana Gordon H. True 1968-8-6 4580 Siskiyou On Yreka-Ashland Highway at Shasta River bridge, ca. 5 miles north of Yreka Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  HSC22192  Salix eastwoodiae J. O. Sawyer 1969-7-24 1476 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  UC375227  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou along creek near Yreka Comment
  UC163665  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-9 1161 Siskiyou Yreka Creek Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  SD1000  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City, flat beside creek, at bridge, about 1.3 km east of Burney Mill 1110 Comment
  CAS-BOT-BC107080  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  POM219895  Salix lasiolepis H. P. Bracelin 1931-6-19 422 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1500 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC481900  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC124543  Salix lasiolepis var. lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC128302  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7549 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  HSC28681  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou Marble Mtn. Wilderness Area, E shore of English Lake 1738 Comment
  LA208921  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 444 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 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
  RSA238031  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou E shore of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1738 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  UC375230  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mt. 1219 Comment
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 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-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  OBI5331  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow prop, Greenhorn Valley, ca 2 mi W of Yreka Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  UC164071  Sambucus mexicana Geo. D. Butler 1910-5-29 1425 Siskiyou near Yreka Comment
  CAS-BOT-BC238892  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  CDA36167  Sanguisorba minor C. Pirosko 2002-5-14 s.n. Siskiyou Jones Valley 0 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  RSA576938  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  JEPS62808  Satureja douglasii Duncan Dunning 1923-6-16 Siskiyou Happy Camp Klamath (nw Siskiyou Co.) Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  HSC64879  Saxifragopsis fragarioides D. L. Goforth 1979-7-19 269 Siskiyou Caribou Lakes Basin, .5 mi. S of upper lake 2195 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA238315  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC445875  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 1889 Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  UC184033  Scirpus congdonii Geo. D. Butler 1910-7-9 1696 Siskiyou Shackleford Creek 1219 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  HSC4159  Scleranthus annuus L. C. Wheeler 1935-6-15 3589 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  UC61086  Sclerolinon digynum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mount Shasta Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  POM216186  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  RSA211224  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the south fork of the Salmon River between the campground and Carter s. 1524 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  UC1713628  Scutellaria nana W. Bridge Cooke 1940-7-26 15370 Siskiyou near the south bank of Diller Canyon (on the w side of Shastina); Mount Shasta, Shastina 2743 Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  HSC36812  Secale cereale J. P. Smith 1974-5-27 7622 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  HSC76641  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC76672  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-7-22 284 Siskiyou Marble Mtn. Wilderness Area Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC645  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-6 612 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC64083  Sedum oregonense Doris K. Kildale 1928-7-4 5468 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC76884  Sedum stenopetalum K. T. Stillman 1976-6-27 144 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UCD102018  Sedum stenopetalum Alfred H. Murphy 1961-7-20 61 - Siskiyou Marble Mtns., Klamath National Forest, divide bewteen Elk and Rainly Valley. 1981 Comment
  RSA237790  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Between English Peak and Diamond Lake, Mount Hemlock Forest. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  JEPS79405  Selaginella wallacei Edward Lee 1934-8-12 1044 Siskiyou between Hamburg and Seiad Valley (n side Klamath River near mouth of Walker Creek) 426 Comment
  CAS-BOT-BC363422  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC166212  Senecio hydrophilus Geo. D. Butler 1908-8-27 236 Siskiyou in bogs near Oro Fina Comment
  CAS-BOT-BC363936  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills 1524 Comment
  SJSU6480  Senecio integerrimus var. exaltatus R. W. Trivelpiece 1972-6-9 94 Siskiyou c. 4 mi E of Grass L. 1524 Comment
  CAS-BOT-BC363935  Senecio integerrimus var. exaltatus Mrs. H. C. Cantelow 1936-5-21 1255 Siskiyou W. slope Scott Mt. about 4 mi. S. of Callahan Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA12485  Senecio triangularis C. B. Wolf 1934-7-4 5952 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  UC131776  Senecio triangularis Dr. E. B. Copeland 1903-8-19 3811 Siskiyou Mt. Eddy 1463 Comment
  UCR39793  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
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Feb 21 2015
  CAS-BOT-BC364724  Sericocarpus oregonensis subsp. californicus Alice Eastwood 1917-9-2 6659 Siskiyou Shasta Springs Comment
  CAS-BOT-BC364789  Sericocarpus oregonensis subsp. oregonensis L. E. Smith 1915-7-1 s.n. Siskiyou Dunsmuir Comment
  UCD92872  Setaria viridis R. Tofsrud 1948-8-1 s.n. Siskiyou Dunsmuir. Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  HSC103910  Sidalcea asprella subsp. nana Dana York 2010-9-12 3018 Siskiyou Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road 1250 Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  UC454909  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank by R.R.) Comment
  RSA120756  Sidalcea oregana subsp. spicata S. S. Tillett 1956-7-9 674 Siskiyou In meadow on N. side of Scott Mtn. divide, headwaters of Mule Creek, Siskiyou-Trinity cos. line, ca 8 miles SE of Calahan 1616 Comment
  UC454910  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  LA205947  Sidalcea oregana subsp. spicata Wm. Bridge Cooke; 1940-7-5 15229 Siskiyou Mount Shasta, Bear Springs meadow 1523 Comment
  CAS-BOT-BC181188  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-8-19 6558 Siskiyou Hancock Lake on trail to Marble Mountain Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CHSC221  Silene grayi K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows on Mt. Shasta. 2133 Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  CAS-BOT-BC389437  Silene lemmonii John Thomas Howell 1937-7-22 13330 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS69769  Silene lemmonii W. B. and V. G. Cooke 1972-7-6 45462 Siskiyou Mud Creek Dam Road , Mud Creek Dam Road (Mt. Shasta) 1066 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SBBG1134  Sisyrinchium bellum H. and M. Dearing 1939-6-30 3762 Siskiyou Callahan-Trinity Alps Rd Comment
  RSA238754  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou Wiregrass Meadow below English Lake, Elnglish Lake Basin. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1677 Comment
  UC1222556  Smilacina racemosa Joseph P. Tracy 1951-6-16 19487 Siskiyou near State Line (at crossing of Takilma-Happy Camp Rd); Summit of Siskiyous 1463 Comment
  UC618660  Smilacina racemosa W. Bridge Cooke 1938-6-17 11012 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SBBG125916  Solanum dulcamara L. Ahart, J. Dittes 2010-7-30 16939 Siskiyou S edge of Shasta River, ca 100 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  RSA238029  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below the seepage along the trail from English to Diamond Lake. Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  UC60956  Solidago elongata Geo. B. Grant Sept 1902 5158 Siskiyou Sisson Sisson (North California) 914 Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  RSA237828  Sorbus californica Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1276 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  CAS-BOT-BC158934  Sorbus scopulina W. R. Dudley 1901-8-1 s.n. Siskiyou Salmon Mountains Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  HSC30898  Spergula arvensis Melinda F. Denton 1973-6-27 2800 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA472772  Spiraea densiflora Louis C. Wheeler 1934-8-14 3125 Siskiyou North side White Mountain; Siskiyou Mountains. 1768 Comment
  UC1034575  Spiraea densiflora Douglas Barbe 1955-7-26 270 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  CAS-BOT-BC149690  Spiraea douglasii Alice Eastwood 1921-7-24 10717 Siskiyou Castle Lake Comment
  UCD21462  Spiraea douglasii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1202 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
  RSA300520  Spiraea douglasii John Dourley, Walter Wisura 1982-10-16 3875 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC61452  Spiraea splendens var. splendens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CHSC2358  Spiranthes porrifolia 1936-7-26 Siskiyou Mt. Shasta. Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  UC618685  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11394 Siskiyou Bear Springs Mount Shasta 1524 Comment
  SEINET9285653  Stachys rigida Unknown 2002-6-28 Siskiyou Yreka Park Comment
  RSA12488  Stachys rigida subsp. rivularis Carl B. Wolf 1934-7-4 5949 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  RSA238545  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-8-13 257 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  CAS-BOT-BC375669  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC584352  Stephanomeria paniculata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2444 Siskiyou about 1 mi n Scott River (at Wicks Ranch, 2 mi below Quartz Valley) 914 Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC92555  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-13 1461 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC49936  Streptanthus barbatus Gilbert Muth 1978-8-2 7138 Siskiyou Near S China Mtn., close to the town of Callahan 2244 Comment
  CAS-BOT-BC87845  Streptanthus tortuosus John Thomas Howell 1937-7-22 13298 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  HSC18892  Streptanthus tortuosus J. O. Sawyer 1968-7-23 580 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237327  Streptanthus tortuosus Frederick W. Oettinger 1967-6-24 118 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer s Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC198723  Streptanthus tortuosus var. orbiculatus Annie M. Alexander and Louise Kellogg 1911-6-27 194 Siskiyou Wildcat Pk. Comment
  CAS-BOT-BC516434  Streptopus amplexifolius Doris K. Kildale 1928-8-19 6551 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  SEINET6884052  Streptopus amplexifolius M. K. Solecki, J. B. Taft 1986-9-13 2161 Siskiyou Near Canyon Creek between Big Rock Fork and Death Valley Creek. Elevation 4,600 feet; Marble Mountain Wilderness. 1402 Comment
  UCD138354  Stuckenia pectinata Verne Grant; Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mile west of Tulelake. Comment
  UC1408937  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou meadow n Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC1299574  Swertia albicaulis var. nitida Freed W. Hoffman 1948-7-9 2581 Siskiyou West Branch Camp, Waldo-Happy Camp Road Northern Coast Ranges 624 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  UC585194  Swertia albicaulis var. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1890 Siskiyou about 2 mi s Yreka 822 Comment
  JEPS84333  Swertia albicaulis var. nitida L. R. Heckard with J. Hickman 1986-7-16 6439 Siskiyou ca 5 mi n Seiad Valley town (se of Red Butte); Lily Pad Lake 1770 Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  JEPS26668  Symphoricarpos mollis Lauramay T. Dempster 1961-7-2 1849 Siskiyou at road crossing sw Etna (Mill Creek); Mill Creek Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  CAS-BOT-BC97883  Symphyotrichum eatonii Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Ridge, south slope of Siskiyou Mountains Comment
  UC894127  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  CAS-BOT-BC98432  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-6 1230 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC98437  Symphyotrichum spathulatum Peter H. Raven 1956-9-5 10449 Siskiyou North Fork of Sacramento River 2194 Comment
  SEINET8409249  Symphyotrichum spathulatum Geraldine Allen Guppy 1978-8-23 555 Siskiyou near Panther Meadows campground in Mt. Shasta. 2100 Comment
  HSC92798  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1977-8-4 2162 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2195 Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 Comment
  CAS-BOT-BC221929  Taeniatherum caput-medusae L. R. Short 1933-6-16 40 Siskiyou Klamath National Forest. Klamath River 609 Comment
  UC1131546  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou 1/2 mi ne of Hilt 1036 Comment
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Jun 18 2011
  UC817369  Taeniatherum caput-medusae Louis C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley Shasta Valley; Grenada, Shasta Valley 792 Comment
  CHSC32898  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  HSC29413  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou Salmon Mountains: ridge top and SE slope at gap where English Peak-Hancock Lake trail crosses the Crapo Peak ridge. 2195 Comment
  CAS-BOT-BC81336  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC81348  Taxus brevifolia Alice Eastwood 1912-7-21 1269 Siskiyou Sisson Comment
  UC719802  Taxus brevifolia R. McVaugh 1941-8-4 6233 Siskiyou n of Shasta Retreat (rocky banks of the Sacramento River); Sacramento River Comment
  CAS-BOT-BC447418  Tellima grandiflora D. E. Breedlove 1962-6-11 3349 Siskiyou Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  RSA237686  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  JEPS117554  Tetradymia canescens Lowell Ahart, John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CDA25192  Thelypodium brachycarpum M. R. Pryor 1948-7-14 3705 Siskiyou 5 miles north of Gazelle, State Highway 99. 0 Comment
  LA204480  Thelypodium brachycarpum A. A. Heller; 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC88115  Thelypodium laciniatum L. E. Smith 1914-4-25 643 Siskiyou Yreka. Comment
  JEPS93873  Thlaspi arvense Vernon H. Oswald and Lowell Ahart 1998-7-21 9322 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  HSC64056  Thlaspi fendleri var. hesperium J. P. Smith, Steve Selva 1970-7-17 4457 Siskiyou Below Kangaroo Lake. 1890 Comment
  CHSC96601  Thlaspi montanum var. montanum L. P. Janeway 2006-7-2 8732 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
  JEPS54046  Thlaspi montanum var. montanum W. L. Jepson 1907-7-5 2842 Siskiyou Marble Mt. Comment
  CAS-BOT-BC67267  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou Dryland near Yreka. Comment
  CAS-BOT-BC447585  Tiarella trifoliata var. unifoliata Doris K. Kildale 1929-7-21 8736 Siskiyou Elk Lick, s. fork of Indian Creek 1219 Comment
  HSC64858  Tiarella trifoliata var. unifoliata J. P. Smith, Steve Selva 1970-7-15 4342 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1483560  Tiarella trifoliata var. unifoliata John Palmer 1980-8-12 710 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  SD211498  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City; damp ground in partial shade along creek, where several forks join before steep drop 1829 Comment
  HSC73319  Tolmiea diplomenziesii Gail Newton 1980-6-20 500 Siskiyou Near Bald Mtn. 1097 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
  CAS-BOT-BC169255  Toxicodendron diversilobum Alice Eastwood 1922-10-18 11529 Siskiyou Shasta Sprnigs Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  UC164042  Toxicoscordion paniculatum Geo. D. Butler 1909-4-27 790 Siskiyou Quartz Valley Comment
  JEPS81832  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  HSC42898  Tragopogon porrifolius Ken Stillman 1976-8-15 409 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC43834  Tragopogon porrifolius Maralyn O'Meara 1974-5-27 488 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC519563  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1928-8-19 6509 Siskiyou Siskiyou: English Lake, Salmon River Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC68346  Trientalis latifolia J. P. Smith 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  RSA349491  Trifolium dichotomum N. G. Sugihara 1977-5-28 76 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  JEPS2899 Image available Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-8-3 384 Siskiyou Log Lake Shacklesford Creek 1524 Comment
  UCR256430  Trifolium hirtum Barbara L. Wilson, Caitlin Coberley 2011-6-16 16251 Siskiyou north edge of rest area on Hwy I-5 southbound, north of the town of Weed 888 Comment
  CAS-BOT-BC219041  Trifolium howellii Doris K. Kildale 1929-8-24 9081 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  RSA624996  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mountains: Clear Creek, 1 mile below West Fork. 670 Comment
  UC1223368  Trifolium howellii Joseph P. Tracy 1951-6-6 19467 Siskiyou n Summit crossing (on the Takilma-Happy Camp Rd); Siskiyou Mtns Comment
  CAS-BOT-BC219037  Trifolium howellii 1926-9-15 1 Siskiyou South Fork of Indian Creek 1676 Comment
  HSC71445  Trifolium hybridum J. P. Smith, Steve Selva 1970-8-9 4581 Siskiyou In potato fields W of Macdoel. Comment
  HSC82379  Trifolium longipes Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4532 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CDA27986  Trifolium longipes T. C. Fuller 1962-6-13 8981 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  UC1607609  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca 1-2 mi from Parks Cr trailhead (=crest of Rt 17). 2286 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  JEPS80540  Trifolium pratense Gilbert Muth 1965-8-16 227 Siskiyou Marble Mountain Wilderness Area, Black Mountain, next to trail and meadow Black Mountain; Marble Mountain Wilderness Area, Black Mountain 1792 Comment
  HSC19001  Trifolium productum J. O. Sawyer 1969-7-24 1193 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC27975  Trillium ovatum Carl W. Mize 1972-9-23 128 Siskiyou Along Gates Creek 762 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  HSC36427  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-6-12 937 Siskiyou Along Duck Lake Creek 1921 Comment
  UC1409312  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou along n.e. shore of Taylor fLake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble Comment
  SEINET10506952  Trisetum Mary Susan Taylor 1980-8-18 Taylor 3262 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  HSC18980  Trisetum spicatum J. O. Sawyer 1969-8-18 1982 Siskiyou Above South Sugar Creek 2134 Comment
  CAS-BOT-BC133483  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UC1045310  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou moist places along Castle Lake road 1615 Comment
  CAS-BOT-BC522338  Triteleia hyacinthina Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. 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
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  UC166120  Vaccaria hispanica Geo. D. Butler 1908-6-20 1060 Siskiyou near Yreka Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC19356  Vaccinium membranaceum J. O. Sawyer 1968-6-18 219 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  CAS-BOT-BC199488  Vaccinium scoparium Wayne Roderick 1967-9-1 s.n. Siskiyou Between Cedar and Cliff lakes 1828 Comment
  RSA183709  Valeriana sitchensis subsp. scouleri Gilbert Muth 1965-8-6 190 Siskiyou Marble Mountains; backside of Black Mountain Comment
  JEPS84279  Valeriana sitchensis subsp. sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6536 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole) 1980