Search Results — 2000 specimen records retrieved (1380 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC68975  Abies concolor Maralyn A. Renner 1980-7-24 2128 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC69551  Abies concolor Maralyn A. Renner 1980-7-28 2201 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  CAS-BOT-BC330619  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou Sisson Comment
  RSA537381  Acer circinatum Walter Wisura, J. Romero 1991-10-16 4591 Siskiyou 3.8 miles from north end of Dusmuir along old road to town of Mt. Shasta Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  CAS-BOT-BC331049  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  CAS-BOT-BC332794  Acer macrophyllum Doris K. Kildale 1928-7-3 5452 Siskiyou Little North Fork, Salmon River Comment
  JEPS42664  Acer macrophyllum Geo. D. Butler 1909-5-31 767 Siskiyou Humbug Comment
  CAS-BOT-BC336935  Acer negundo var. californicum Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  UC61076  Achillea millefolium W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson; Mount Shasta Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  HSC58837  Achlys triphylla Marvin Butler 1971-7-8 57 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS46215  Achlys triphylla subsp. triphylla A. E. Wieslander 1928-6-14 Siskiyou Cedar Camp 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-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC210870  Achnatherum occidentale subsp. californicum Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC210871  Achnatherum occidentale subsp. californicum W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  UCD51189  Achnatherum occidentale subsp. pubescens P. B. Dickey 1940-5-26 943 Siskiyou South of Dwinnell Lake. Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC29149  Achyrachaena mollis L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UC1408852  Aconitum columbianum Frederick W. Oettinger 1968-8-7 433 Siskiyou s.e. end Hancock Lake; Salmon Mts., High Lake Basins, English Peak Vicnity, Marble 1935 Comment
  CAS-BOT-BC391519  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1952 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391525  Aconitum columbianum subsp. columbianum Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  HSC2388  Aconogonon davisiae William J. Ferlatte 1966-8-18 428 Siskiyou Willow Creek Trail. 2226 Comment
  HSC27338  Aconogonon davisiae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5706 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  CDA6767  Acroptilon repens W. Martin 1968-8-19 Siskiyou Yreka City Corporation Yard. 0 Comment
  SEINET11261967  Adenocaulon bicolor Alv Dan Youngberg 1964-7-19 96 Siskiyou Along west branch of Indian Creek.; 0 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  SD211479  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side Mount Eddy circa 4 airmiles due West of Mount Shasta City, at streamlet near end of FR 41N53 circa 1 mile North of Morgan Meadows 1676 Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  UC164008  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  SD76148  Ageratina occidentalis Helen V. Witham 1969-10-6 549 Siskiyou West face, granit cliffs above Kangaroo Lake. 2100 Comment
  HSC19166  Ageratina occidentalis J. O. Sawyer 1969-8-2 1663 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  POM351180  Ageratina occidentalis M. B. Dunkle 1945-1 9342 Siskiyou Klamath Natl. Forest. Marble Mts. Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. 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
  JEPS109708  Agoseris glauca var. glauca Dean W. Taylor 2002-7-20 18258 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  HSC46233  Agoseris retrorsa Jennifer Whipple 1978-6-5 2345 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC126983  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  HSC77085  Agrostis exarata K. T. Stillman 1976-7-30 330 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  POM115804  Agrostis exarata Geo D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  UCD52351  Agrostis exarata A. H. Murphy 1959-7-21 59 C Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  POM207472  Agrostis hallii W. C. Blasdale, Jos Burtt Davy 1899-7-30 6175 Siskiyou Near Ferndale Comment
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  RSA239086  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Crapo Meadow along trail to Tom Taylor Cabin before it enters the woods . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1265313  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake; Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UC1265418  Agrostis pallens F. W. Oettinger 1969-8-16 1390 b Siskiyou rocky slope near wiregrass meadow near Upper English Lake; Salmon Mountains 1767 Comment
  UCD53212  Agrostis pallens R. Tofsrud 1951-7-18 s.n. Siskiyou Marble Mts. 1981 Comment
  HSC40881  Agrostis scabra J. O. Sawyer 1973-7-16 2540 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  CHSC61556  Agrostis thurberiana L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  HSC65376  Aira caryophyllea J. P. Smith 1973-5-5 6550 Siskiyou Scott Bar along Scott River Comment
Read comments
Jan 31 2012
  RSA170193  Alisma triviale W. L. Jepson 1914-8-10 5749 Siskiyou Upper Fall River Valley. 1037 Comment
  SDSU11452  Alisma triviale D. F Howe 1972-7-8 4881 Siskiyou 1524 Comment
  SEINET12048093  Allium acuminatum Unknown 1945-1 Siskiyou Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  CAS-BOT-BC469233  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mountain, North Coast Ranges 1645 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  HSC69158  Allium validum Maralyn A. Renner 1980-8-4 2210 Siskiyou Flint Valley 1390 Comment
  UC618715  Allium validum W. Bridge Cooke 1938-7-15 11253 Siskiyou along the creeks leading from Wagon Camp Springs; Mount Shasta, Wagon Camp Comment
  CAS-BOT-BC171398  Alnus incana subsp. tenuifolia L. E. Smith 1914-6-24 719 Siskiyou Sisson Comment
  CAS-BOT-BC171402  Alnus incana subsp. tenuifolia Elmer I. Applegate 1923-9-7 3972 Siskiyou Doggett Ridge, near head of Doggett Creek, S slope of the Siskiyou Mountains 1524 Comment
  SFV847  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  HSC65130  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-15 4348 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC375244  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou Shasta River Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  RSA238552  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, near Base Camp along the trail between Diamond and Hancock Lakes. 2012 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CHSC71566  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  HSC27769  Amaranthus blitoides J. P. Smith, J. O. Sawyer 1972-9-14 5797 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UCD149840  Ambrosia trifida Harry A. George; William Anderson, Ed. O'Neill 1965-8-13 s.n. Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  CAS-BOT-BC136895  Amelanchier utahensis D. E. Breedlove 1962-6-11 3363 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC136914  Amelanchier utahensis Doris K. Kildale 1929-5-11 7761 Siskiyou Klamath River at Hornbrook Comment
  CAS-BOT-BC136920  Amelanchier utahensis Doris K. Kildale 1928-8-18 6439 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC136921  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11777 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC1409345  Amelanchier utahensis Frederick W. Oettinger 1969-7-18 1057 Siskiyou sw of Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC28270  Amphiscirpus nevadensis Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39044 Siskiyou Ca 2 mi W of Lower Klamath National Wildlife Refuge 1295 Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  UCD118717  Androsace elongata subsp. acuta Louis C. Wheeler 1935-1 3432 Siskiyou Greenhorn creek, Siskiyou Mts. 944 Comment
  HSC40  Anemone deltoidea William J. Ferlatte 1966-8-19 433 Siskiyou Kidd Creek Trail. 1707 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  UCSB24735  Anemone deltoidea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  HSC45488  Anemone deltoidea Maralyn O'Meara 1973-6-25 241 Siskiyou Tributary stream to N Russian Creek, 0.5 mi. S from Etna Summit on road from Sawyer's Bar to Etna 1524 Comment
  SEINET12093427  Anemone deltoidea H. P. Chandler 1901-1 1554 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391856  Anemone drummondii A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC391980  Anemone occidentalis Robert F. Thorne; Fred Oettinger 1969-8-10 38993 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  CAS-BOT-BC391974  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  HSC76747  Angelica arguta K. T. Stillman 1976-7-15 259 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  JEPS74555  Angelica arguta W. J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps, Big Flat, area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  UC174746  Angelica arguta K. Brandegee July 1887 Siskiyou Mount Shasta Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  HSC71964  Angelica tomentosa J. M. DiTomaso 1980-8-21 1895 Siskiyou Kidd Creek, Salmon-Trinity Alps Wilderness Area. E of Caribou Lakes 2043 Comment
  UC906643  Angelica tomentosa Joseph P. Tracy 1949-9-16 18567 Siskiyou from Callahan to Trinity Center (Scott Mountain); Scott Mountain 1615 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  SD109163  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-4 1849 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. from Orleans. 1340 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  CAS-BOT-BC59161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta River Hills Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UCR51806  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC21992  Antennaria media J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1409471  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou between Charmaine Lake and Abbott's Lake; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1859 Comment
  UC1409468  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou nnw of, vicinity of English Peak Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC1475694  Antennaria racemosa Clifton and Griswold 1979-8-12 13993 Siskiyou close to Fort Jones; Scott Bar Quad., Isinglass Creek 1951 Comment
  CAS-BOT-BC94800  Antennaria rosea R. C. Wenk 2005-6-17 171 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  UC1409470  Antennaria rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou n of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English P 1775 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  CDA10083  Antennaria rosea subsp. rosea Vernon H. Oswald & Lowell Ahart 1998-6-11 9210 Siskiyou Old State Highway, 0.1 mile east of Tennant Road, ca. 9 air miles east of Grass Lake located on Highway 97, ca. 22 air miles northeast of Weed. Comment
  HSC29213  Antennaria rosea subsp. rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  UCD129038  Antennaria umbrinella J. M. Tucker; R. Tofsrud 1948-8-2 1770 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  POM127134  Antirrhinum vexillocalyculatum subsp. breweri L. R. Abrams 1922-8-6 9897 Siskiyou Klamath River 6 miles below Hornbrook Comment
  HSC21957  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1975 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  UC1713779  Apocynum androsaemifolium Dr. E. B. Copeland 1903-7-7 3544 Siskiyou Hornbrook Comment
  HSC96810  Apocynum androsaemifolium S. Lyon 2006-6-28 6 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC394986  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  HSC729  Aquilegia formosa William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake Basin 1677 Comment
  HSC82254  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6179 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  UCD95553  Aquilegia formosa J. P. Smith; Steve Selva 1970-6-15 3975 Siskiyou 1 mile west junction Calif. 3 and Road 8 leading to Sugar Creek. 1158 Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  HSC77286  Arabis breweri var. breweri L. P. Janeway 1983-9-10 650 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  RSA0126075  Arabis divaricarpa Geo. D. Butler 1900-7-8 1664 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  CAS-BOT-BC251145  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1493 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  HSC69143  Arabis koehleri Maralyn A. Renner 1980-8-8 2474 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  HSC90273  Arabis oregana D. L. Goforth 1980-6-27 646 Siskiyou Scott River at Middle Creek Camp 724 Comment
  JEPS84109  Arabis oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6415 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  HSC69274  Arabis platysperma var. howellii Maralyn A. Renner 1980-9-1 2715 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC90605  Arabis platysperma var. howellii Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC100148  Arabis suffrutescens J. O. Sawyer 1969-8-1 1639 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  SEINET3831774  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1279 Siskiyou Summit of Black Butte; on Pinus albicaulis 1900 Comment
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  UCR47872  Arctostaphylos manzanita 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
  CLARK-A1528-7768  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou Etna Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC69555  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1291 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC73232  Arctostaphylos nevadensis Gail Newton 1980-6-20 506 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS49476  Arctostaphylos nevadensis B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  JEPS74506  Arctostaphylos nevadensis W. J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  POM77966  Arctostaphylos nevadensis Geo D. Butler 1908-8-4 101 Siskiyou Head of Shackleford Creek. 1829 Comment
  UC83022  Arctostaphylos nevadensis Dr. E. B. Copeland 1903-7-14 3520 Siskiyou Klamathon Comment
  UCD52850  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. 1767 Comment
  UCR179177  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1829 Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46472  Arctostaphylos patula W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  LA42230  Arctostaphylos patula Mrs. H. P. Bracelin; 1931-6-19 425 Siskiyou Up the N side of Mt. Eddy from Metcalf's ranch house 1539 Comment
  POM301588  Arctostaphylos patula C. Hart Merriam 1899-10-6 s.n. Siskiyou Sisson. Comment
  POM367401  Arctostaphylos patula L. C. Wheeler 1934-7-25 2984 Siskiyou Long John Creek. 1616 Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  SEINET8754043 Image available Arctostaphylos patula Richard R. Halse 2015-1 9325 Siskiyou Southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  SEINET11977820  Arctostaphylos patula H. P. Chandler 1901-1 1600 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  RSA423693  Arenaria congesta M. B. Dunkle 1945-7-22 9238 Siskiyou Marble Mts., Klamath National Forest. Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22147  Arnica amplexicaulis J. O. Sawyer 1969-9-18 2016 Siskiyou S of Sugar Lake Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  JEPS19744  Arnica chamissonis Rimo Bacigalupi with S. Galen Smith 1957-6-27 5874 Siskiyou Grass Lake, 20 ne of Weed, on route between Weed and Klamath Falls Grass Lake 1544 Comment
  HSC12271  Arnica chamissonis Richard Spjut 1970-7-16 440 Siskiyou ca. 23 miles N of Weed on Hwy. 97, at Grass Lake 1524 Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  CAS-BOT-BC82555  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  HSC22482  Arnica diversifolia J. O. Sawyer 1969-7-24 1483 Siskiyou SW of Sugar Lake 1890 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
  HSC29103  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou Marble Mtn. Wilderness Area, about 0.2 mile due NE of Charmaine Lake 1890 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  UC76022  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou sw of Lake Medicine Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  CAS-BOT-BC85025  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  LA95157  Artemisia arbuscula subsp. arbuscula Louis Wheeler; 1934-8-26 3226 Siskiyou Siskiyou Mountains, Trapper Creek 1981 Comment
  RSA211190  Artemisia arctica subsp. arctica William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  JEPS37041  Artemisia douglasiana Geo. D. Butler 1908-8-14 311 Siskiyou near Yreka (upper field); Butlers Ranch Comment
  UC179528  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou along the railroad embankment near Deetz <railroad> station (opposite Black Butte) 1158 Comment
  UC60985  Artemisia douglasiana Geo. B. Grant 1902-9-1 5206 Siskiyou Mount Shasta 609 Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC29390  Aruncus dioicus var. acuminatus Frederick W. Oettinger 1969-9-4 1670 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1829 Comment
  CAS-BOT-BC400599  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
  HSC89615  Asarum hartwegii Brian Marston, William Kristan, Reid Storre 1988-3-27 105 Siskiyou 5 mi. S of Somes Bar, Oak Bottom Campground, on Hwy. 99 152 Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  JEPS5088  Asclepias cordifolia W. L. Jepson 1940-7-1 20075 Siskiyou 6 mi e McCloud River (Fowlers Camp) 944 Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  RSA0092490  Asclepias cordifolia Jennifer Hedin 1996-5-27 228 Siskiyou Lower Mel, R falls, campground/picnic area. Location interpreted by M. Fishbein: Lower Fowler Falls near McClout and Fowler Camp. Comment
  SEINET10890221  Asclepias fascicularis F. Marion Ownbey, Fred G. Meyer 1940-7-4 Ownbey 2170 Siskiyou Along Ditch Creek, near Hornbrook Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  POM23228  Aspidotis densa H. H. Tracy 1913-08 s.n. Siskiyou Castella Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  CDA10253  Aster frondosus E. Hale 1985-9-9 Siskiyou 2 miles south of Highway 97 on State Line Road, northeast of Dorris. 0 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC290611  Asteraceae Peter Rubtzoff 1978-6-26 9219 Siskiyou South margin of Grass Lake near Hwy. 97. Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  RSA109717  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field Comment
  UC168740  Astragalus curvicarpus var. curvicarpus Katharine Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC177862  Astragalus curvicarpus var. curvicarpus Elmer I. Applegate 1935-6-5 9330 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  CAS-BOT-BC182967  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  UC195172  Astragalus lentiginosus var. lentiginosus Annie M. Alexander and Louise Kellogg 1911-6-4 105 Siskiyou Mayten Comment
  POM204046  Astragalus obscurus Alice Eastwood, John T. Howell 1934-4-20 1786 Siskiyou 4 miles N of Weed. Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  HSC46045  Astragalus purshii var. purshii Maralyn O'Meara 1974-5-25 432 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  SEINET5326835  Astragalus purshii var. tinctus G. Butler 1910-3-20 1134 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  JEPS97805  Athyrium distentifolium R. Raiche and S. Winchester 1988-7-24 80265 Siskiyou above Upper Cliff lake; S Fork Sacramento R., Cedar Lake area Comment
  UC1408834  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou area just se Tobacco Lake (Golden Peak); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  UCD169487  Atriplex hortensis Louis C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  HSC4359  Atriplex rosea D. M. Thomson 1965-8-14 199 Siskiyou Lava Beds National Monument, by Hovey Pt. Comment
  POM211519  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CAS-BOT-BC106540  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC106541  Balsamorhiza deltoidea Dorothy Parker 1961-4-20 825 Siskiyou Near Callahan 950 Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  UC673213  Balsamorhiza lanata Lincoln Constance and Reed C. Rollins 1942-5-14 2919 Siskiyou 1 mi east of Yreka; Klamath-Siskiyou Region 762 Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC922611  Berberis aquifolium var. repens Annie M. Alexander and Louise Kellogg 1948-9-5 5584 Siskiyou at Matthews Creek (Southern Fork of Salmon River); Siskiyou Mts Comment
  CAS-BOT-BC75722  Berberis nervosa Alice Eastwood 1921-7-26 10862 Siskiyou Soda Creek. Comment
  SEINET3151154  Berberis repens G. B. Grant sn Siskiyou Dunsmuir Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  HSC4950  Betula occidentalis J. O. Sawyer 1968-10-8 752 Siskiyou Rd. to Kangaroo Lake E of Callahan along Rock Fence Creek Comment
  CAS-BOT-BC102063  Bidens frondosa Louis C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath National Forest 518 Comment
  HSC68518  Bistorta bistortoides Maralyn A. Renner 1980-6-26 1168 Siskiyou Flint Valley. 1390 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  CAS-BOT-BC127928  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Cr. 914 Comment
  HSC68501  Blepharipappus scaber Maralyn A. Renner 1980-6-22 908 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  CAS-BOT-BC15794  Boechera acutina Doris K. Kildale 1928-8-20 6623 Siskiyou Hancock Look Out - on trail to Marble Mountain. 2151 Comment
  SEINET3132245  Boechera breweri subsp. shastaensis G. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  CAS-BOT-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  UCD114342  Boechera howellii Robert E. Preston 1984-7-26 495 Siskiyou Green Butte, on s slope of Mt. Shasta. Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25422  Boechera retrofracta L. E. Smith 1913-6-12 s.n. Siskiyou Road between Sisson and Castle Lake. Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  UC1409354  Boechera retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Southwest of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1920 Comment
  CAS-BOT-BC25612  Boechera retrofracta John Thomas Howell 1937-7-26 13570 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC17216  Boechera rollei Wayne E. Rolle 1985-8-27 s.n. Siskiyou Near Lilypad Lake, Red Butte and Kangaroo Mountain. 1767 Comment
  JEPS64003  Bolboschoenus maritimus W. L. Jepson 1940-6-23 20030 Siskiyou e Grenada (Shasta Valley); , e of Grenada 975 Comment
  UC1475116  Botrychium pinnatum Donald Burk 1993-9-7 Siskiyou ca. 3/4 mi e Gray Butte radio facilities (between confluence of 2 streams); s slope Mt. Shasta 1950 Comment
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Apr 20 2012
  JEPS104442  Botrypus virginianus Martin J. Lenz 2003-8-1 36 Siskiyou approx 1.2 air mi WSW of Mott Airport, Dunsmuir 1048 Comment
  HSC468  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake basin. 1677 Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 Comment
  RSA238310  Boykinia major Frederick W. Oettinger 1967-7-26 209 Siskiyou Outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC30273  Brassica nigra Henry M. Pollard 1947-8-22 s.n. Siskiyou North of Somes Bar. Fontana's Fishing Lodge. Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  JEPS107285  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA239137  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Katherine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239076  Bromus orcuttianus Frederick W. Oettinger 1969-8-4 1157 Siskiyou near Halfway Spring between English Lake & Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  UC1265364  Bromus suksdorfii F. W. Oettinger 1968-8-24 624 Siskiyou ne of Tom Taylor Cabin (above Crapo Ridge, Salmon Mountains, W Siskiyou County); Salmon Mountains 1889 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
  CAS-BOT-BC185599  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud. Comment
  CDA16171  Bromus tectorum G. F. Hrusa, T. D. Wilfred 1999-5-31 15070 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area former homestead, numerous cultivated plants, persisting, no evidence of habitation. With Lupinus albifrons on slope above river, in undisturbed area. Annual, common. 640 Comment
  CAS-BOT-BC185270  Calamagrostis koelerioides G. L. Stebbins 1972-7-3 9008 Siskiyou South side of Red Butte, west of Cook and Green Pass. 1767 Comment
  CAS-BOT-BC185271  Calamagrostis koelerioides Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -030 Siskiyou The Eddys, west of Mount Shasta. East of Toad Lake Trailhead, terminus of Forest Service Road 40N64, headwaters of Middle FOrk of upper Sacramento River. 2051 Comment
  HSC25492  Calamagrostis koelerioides J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5719 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC185259  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8826 Siskiyou Preston Peak. 2133 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  UC618884  Calocedrus decurrens unknown 1938-9-2 11592 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  CAS-BOT-BC488611  Calochortus elegans var. nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  JEPS55632  Calochortus nudus Wayne Roderick 1966-6-26 Siskiyou Castle Lake Camp 1676 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  CAS-BOT-BC181500  Caltha leptosepala Milo S. Baker 1926-8-21 293 b-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  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
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  JEPS81793  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  UCD77436  Calyptridium monospermum Robert E. Preston 2003-7-29 2165 Siskiyou S slope of Rainbow Mountain. 1787 Comment
  HSC62614  Calyptridium umbellatum Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  CAS-BOT-BC221258  Calystegia malacophylla subsp. malacophylla Alice Eastwood No date on label 1276 Siskiyou Sisson Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  CDA3583  Camelina microcarpa F. Wallier 1961-5-1 Siskiyou R. Collier, Yreka. 0 Comment
  RSA530924  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Hungry Creek. Siskiyou Mountains. Mt. Diablo Mer. 1098 Comment
  CHSC91373  Camissonia contorta Lowell Ahart; John Dittes 2005-6-10 12088 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
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Jul 20 2020
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SEINET10462933  Campanula prenanthoides Clifton 1978-7-6 CLIFTON 1927 Siskiyou NR OFFIELD MTN, FORKS OF SALMON QUAD. NR SOMES BAR 2700', GANITE SOIL Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  SEINET10463323  Campanula prenanthoides Muth 1976-7-27 MUTH s.n. Siskiyou NR TWIN VALLEY, PRESTON PK QUAD, NR HAPPY CAMP 5400', MEADOW, S EXPOSURE Comment
  SEINET10462857  Campanula prenanthoides Butler 1910-8-7 BUTLER 1815 Siskiyou HUMBUG MOUNTAIN 4000 Comment
  SEINET10463143  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463303  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou DRY WOODS Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  CAS-BOT-BC266453  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou On the summit of Mount Eddy 2758 Comment
  UC195255  Campanula scabrella Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt Eddy Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  UC637161  Campanula scouleri Edward Lee 1934-8-13 1080 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of west branch of Waldo C 1463 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463781  Campanula scouleri Sawyer 1978-7-6 SAWYER 3348 Siskiyou Preston Peak quadrangle; along Happy Camp-O'Brien road above Louse Creek Comment
  SEINET10972096  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou NR. SISSON Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  SEINET10463873  Campanula wilkinsiana A. Arthur Heller 1920-8-12 Heller 13518 Siskiyou WET SOIL AT SPRING ABOVE HORSE CAMP, MT SHASTA Comment
  SEINET10463874  Campanula wilkinsiana Groves 1944-8-28 GROVES s.n. Siskiyou Panther Meadows, Mt. Shasta. Comment
  CAS-BOT-BC37192  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CAS-BOT-BC37232  Cardamine bellidifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2187 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  JEPS53315  Cardamine bellidifolia var. pachyphylla Milo S. Baker 1898-8-1 508 Siskiyou bluff sw Medicine Lake; bluff sw of Medicine Lake Comment
  CAS-BOT-BC37312  Cardamine breweri Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  UC1173731  Cardamine californica Joseph P. Tracy 1939-4-29 16270 Siskiyou Rock bluff on s side 1 mi about mouth Salmon River (Somes Bar); Rock Bluff on s side Salmon River, Somes Bar 182 Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  UC909340  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou on ridge between Carmen Lake and headwaters Grouse Creek; ridge btwn Carmen Lake and headwaters Grouse Creek 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
  CDA3667  Cardaria chalepensis E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  RSA14334  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC17962  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the Sedge Swamp at Wagon Camp. 1737 Comment
  CAS-BOT-BC18127  Carex athrostachya Calvin McMillan; Malcom A. Nobs 1949-6-17 806 Siskiyou Grass Lake, Highway 97. Comment
  UCD143811  Carex athrostachya Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16259 Siskiyou on road 26 near Gumboot Lake. 1828 Comment
  JEPS109271  Carex bolanderi D. W. Taylor 2005-7-14 19401 Siskiyou Wagon Camp, along Forest road 40N25, Panther Creek drainage, Mount Shasta Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  SD71330  Carex breweri B. B. Chistman 1966-7-4 Siskiyou Mt. Shasta. 3657 Comment
  CHSC38999  Carex capitata J. D. Jokerst 1983-7-5 1823 Siskiyou Upper margins of the wet meadow of Atkin's Meadow in its NE corner. Comment
  POM80802  Carex densa Geo D. Butler 1909-6-10 809 Siskiyou Yreka Creek. Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  CHSC96446  Carex echinata subsp. echinata Gordon Leppig; Jennifer Kalt 1996-7-9 367 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC195513  Carex feta Geo. D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  UC195520  Carex feta Geo. D. Butler 1909-6-13 807 Siskiyou Oro Fino Comment
  UCD77458  Carex fracta Robert E. Preston 2002-7-13 1923 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 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
  RSA0034288  Carex hassei Peter F. Zika, Barbara Wilson 2011-7-31 25668 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  JEPS25600  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SEINET10916252  Carex illota Louis C. Wheeler 1935-7-26 Wheeler 3720 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. 1951 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  CAS-BOT-BC7657  Carex integra John Thomas Howell 1937-7-22 13253 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA237324  Carex integra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1175 Siskiyou Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET7563577 Image available Carex laeviculmis Ray Tallent 1987-8-12 899 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC85708  Carex luzulina L. P. Janeway 1982-7-2 33 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  CAS-BOT-BC32011  Carex multicaulis Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 503 Siskiyou Mt. Shasta, southern slope. 2743 Comment
  CAS-BOT-BC32050  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC495521  Carex multicaulis Geo. D. Butler 1909-7-15 853 Siskiyou Highland Mine Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  CAS-BOT-BC23419  Carex multicostata John Thomas Howell 1937-7-26 13557 Siskiyou Caribou Gulch Comment
  CHSC96404  Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Klamath Ranges. Salmon Mountains: slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  CAS-BOT-BC32278  Carex multicostata Lewis Samuel Rose 37593 Siskiyou S slope of Mt. Shasta 1767 Comment
  HSC39379  Carex multicostata J. O. Sawyer 1969-7-19 1426 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  HSC9  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1677 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  CHSC40165  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the East Fork Scott River at the Hwy 3 bridge just east of Callahan. 987 Comment
  UC1147887  Carex pachycarpa Gilbert Muth 1966-10-16 3 Siskiyou Marble Mts. 1792 Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CAS-BOT-BC118929  Carex pellita Roxana S. Ferris; Laura Lorraine 1948-6-12 11819 Siskiyou East fork of Scott River drainiage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC118778  Carex preslii John Thomas Howell 1939-8-7 15116 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CHSC86630  Carex preslii Jenny Marr 1993-7-1 13 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC77255  Carex scopulorum var. bracteosa L. P. Janeway 1983-7-9 393 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  CHSC71608  Carex serratodens Vernon H. Oswald; Lowell Ahart 1998-8-3 9420 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its in-tersection with USFS 41N10. 1554 Comment
  HSC43472  Carex serratodens Maralyn O'Meara 1974-5-25 384 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA364763  Carex serratodens L. C. Wheeler 1934-6-7 2657 Siskiyou North Hungry Creek. 1220 Comment
  UC1265389  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou s end Diamond Lake; Salmon Mountains, Marble Mountain Wilderness 2072 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  SEINET7575714 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  JEPS109229  Carex stipata var. stipata D. W. Taylor 2004-7-19 19185 Siskiyou Weed, wet meadow just E of town limits along Boles Creek Comment
  CHSC98757  Carex straminiformis L. P. Janeway; B. Castro 2007-7-29 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC76809  Carex straminiformis L. P. Janeway 1982-8-13 120 Siskiyou N edge of Bear Creek and next to small creeklet joining Bear Creek 1555 Comment
  POM211462  Carex subfusca L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC91350  Carex vesicaria Jennifer Whipple 1977-8-6 2243 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  HSC76832  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou W side of Echo Lake 1677 Comment
  SEINET7579983 Image available Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, shore of Abbotts Lake. 1722 Comment
  CAS-BOT-BC114816  Carex whitneyi Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  SEINET4110863  Carex whitneyi D. W. Taylor 2005-1 19382 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  CAS-BOT-BC59708  Cassiope mertensiana Gilbert J. Muth 1969-8-10 1351 Siskiyou Buckhorn Lake. 2255 Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC248987  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43833  Castilleja applegatei subsp. pinetorum Maralyn O'Meara 1974-5-27 487 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS29122  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-7-1 1822 Siskiyou along ridge from Condry Peak to White Mountain Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC243761  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  JEPS19005  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1699 Siskiyou 1 mi w Military Pass Rd. (along rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  RSA12626  Castilleja arachnoidea Carl B. Wolf 1934-7-5 5959 Siskiyou 3 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  SBBG21824  Castilleja arachnoidea D. Myrick 1964-7-25 963 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  HSC62627  Castilleja arachnoidea Al Hobart Siskiyou Youngs Valley Comment
  RSA183718  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1965-8-6 179 Siskiyou Backside of Blk. Mt. Marble Mts. 2073 Comment
  CAS-BOT-BC32535  Castilleja globosa John Thomas Howell 1939-8-8 15159 Siskiyou Marble Mts. Black Mountain Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC61815  Castilleja miniata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  SBBG30609  Castilleja miniata subsp. miniata D. Myrick 1968-6-25 2020 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CHSC9486  Castilleja pruinosa J. F. Goodwin 1971-7-3 139 Siskiyou North side of road . 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  JEPS8023  Castilleja pruinosa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-16 3470 Siskiyou 2 mi w Lake Bolan (ridge, on upper watershed of Indian Creek, immed s of Oregon-Calif boundary); Siskiyou Mountains, Indian Creek 1584 Comment
  SBBG6821  Castilleja pruinosa H. and M. Dearing 1939-6-19 3679 Siskiyou French Crk Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  HSC63289  Castilleja schizotricha M. A. Baker 1979-7-30 1074 Siskiyou Summit of Marble Gap 2300 Comment
  JEPS79523  Castilleja tenuis L. R. Heckard 1980-7-12 5406 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, ne of state highway maintenance station); Grass Lake Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  UC375371  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-20 497 Siskiyou near Yreka Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  CAS-BOT-BC50246  Ceanothus integerrimus Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  JEPS24612  Ceanothus integerrimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6765 Siskiyou along S.P. (Shasta Route) (rr grade in upper Sacramento River Canyon, in 1.5 mi stretch betw Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  CAS-BOT-BC50685  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath Hills Comment
  CDA15531  Ceanothus integerrimus var. macrothyrsus G. F. Hrusa 1998-7-5 14699 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  HSC36932  Ceanothus prostratus J. P. Smith 1974-5-27 7597 Siskiyou Along USFS Rd. 47N03 1646 Comment
  JEPS42257  Ceanothus prostratus Willis L. Jepson 1894-8-4 14022 Siskiyou Mt. Shasta Comment
  RSA24231  Ceanothus prostratus Carl B. Wolf 1940-12-11 9797 Siskiyou Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  SEINET13946079 Image available Ceanothus sanguineus Linstedt, Strull, Houseman 1984-1 67 Siskiyou T40N R7W SEC32, SW 1/4. Indian Scotty Campground. Elev 2300 ft 701 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC1409314  Ceanothus velutinus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1228 Siskiyou on se side Pine Lake (at edge of a talus boulder side area (high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  UCD77492  Ceanothus velutinus Robert E. Preston 2001-6-23 1592 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 2042 Comment
  CDA15535  Ceanothus velutinus var. laevigatus G. F. Hrusa 1998-7-5 14703 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CDA7017  Centaurea calcitrapa T. C. Fuller 1960-8-23 4964 Siskiyou ca. 1 mile northeast of Gazelle. 0 Comment
  CHSC4718  Centaurea cyanus R. Carter 1966-5-15 400 Siskiyou Ca. 5 mi. N of Callahan along w side road on W side Scott R. 914 Comment
  HSC68201  Centaurea cyanus Steve Selva, J. P. Smith 1970-7-17 4444 Siskiyou 915 Comment
  CDA7262  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou North side of Highway 97 (Weed to MacDoel), west of railroad spur at Grass Lake. 0 Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  UCD138896  Cephalanthera austiniae John M. Tucker; D. V. Hemphill 1974-7-28 4333 Siskiyou 1.25 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  SJSU2588  Cephalanthera austiniae H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CHSC95105  Cerastium arvense L. P. Janeway 2006-7-2 8736 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Edge of large moist meadow. 1585 Comment
  POM151916  Cerastium arvense E. B. Copeland 1903-9-7 3850 Siskiyou Mt. Eddy. Comment
  HSC81746  Cerastium arvense Thomas W. Nelson, Jane P. Nelson 1980-7-19 6195 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  HSC26147  Cerastium beeringianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5688 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC384985  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC207626  Cercis occidentalis Doris K. Kildale 1929-5-31 9123 Siskiyou Cecilville, south fork of Salmon River. Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  JEPS45542  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  CAS-BOT-BC148514  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou Ridge ne. of Callahan on road to Gazelle Comment
  CAS-BOT-BC148520  Cercocarpus ledifolius var. ledifolius Elmer I. Applegate 1935-6-7 9407 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC90618  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-9-4 1794 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  CAS-BOT-BC148521  Cercocarpus ledifolius var. ledifolius Mrs. Marian Campbell 1916-7-15 s.n. Siskiyou From Moraine Lake to Arroya Comment
  UC456030  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UC618707  Chaenactis douglasii var. douglasii unknown 1938-8-12 11462 Siskiyou just below Horse Camp (along Wagon Camp-Horse Camp Trail); Mount Shasta 2438 Comment
  CAS-BOT-BC276783  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-10 9468 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  CAS-BOT-BC141582  Chamaebatiaria millefolium Wm. Bridge Cooke 1938-8-24 11579 Siskiyou In a small ravine west of Bolam Creek - Mount Shasta 2133 Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  RSA572329  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-5 15220 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  CAS-BOT-BC165977  Chamerion angustifolium Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  HSC36743  Chamerion angustifolium subsp. circumvagum Brent Whiteley 1975-6-22 26 Siskiyou 220 Comment
  SEINET3166359  Cheilanthes gracillima P. J. Alexander 2009-4-7 992 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  RSA233695  Chenopodium botrys R. F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC452264  Chimaphila umbellata L. E. Smith 1913-9-1 555 Siskiyou Mt. Eddy Comment
  UCR90895  Chimaphila umbellata Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC62628  Chimaphila umbellata Ruby Van Deventer 1957-8-5 Siskiyou Youngs Valley Comment
  HSC22115  Chrysolepis chrysophylla J. O. Sawyer 1969-7-23 1454 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC4935  Chrysolepis sempervirens J. O. Sawyer 1968-6-18 230 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  UC643320  Cicuta maculata var. angustifolia W. Bridge Cooke 1940-7-12 15314 Siskiyou near Mount Shasta City (in the Box Canyon of the Sacramento River); Sacramento River, Box Canyon 914 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  HSC19173  Circaea alpina subsp. pacifica J. O. Sawyer 1969-8-4 1889 Siskiyou Above S Sugar Lake 2043 Comment
  CDA1138  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -C Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CHSC62425  Cirsium cymosum B. McAlexander 1993-7-7 Siskiyou Little Shasta Valley located E of Montague, N of Steamboat Mt. and S of Little Shasta River. 731 Comment
  CAS-BOT-BC278039  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  UC165432  Cirsium cymosum var. cymosum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  CDA1578  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  HSC5382  Cirsium vulgare D. M. Thomson 1965-8-14 196 Siskiyou California Lava Beds National Monument; Tichner Rd., 2 mi. from the SE entrance Comment
  CAS-BOT-BC228958  Cistanthe umbellata Doris K. Kildale 1928-7-2 5370 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC228965  Cistanthe umbellata Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS43547  Clarkia amoena subsp. huntiana W. L. Jepson 1907-7-9 2863 Siskiyou near Cottage Grove; Klamath Range Comment
  RSA715806  Clarkia lassenensis L. Ahart, John Dittes 2005-6-10 12099 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  HSC16291  Clarkia lassenensis R. C. Wunner 1965-6-6 66 Siskiyou Lava Beds N.M., Indian Well area 1433 Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  CAS-BOT-BC164968  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  CAS-BOT-BC164981  Clarkia rhomboidea Louis C. Wheeler 1934-6-19 2740 Siskiyou Klamath National Forest. North Hungry Cr. 1097 Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  JEPS8490  Claytonia cordifolia Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3443 Siskiyou on Takilma to Happy Camp road (along rill exactly at Oregon-California State line) 1432 Comment
  UC1223247  Claytonia cordifolia Joseph P. Tracy 1951-6-16 19460 Siskiyou n of Siskiyou Mountains summit of crossing (where small stream crosses road); Siskiyou Mountains Comment
  UC163720  Claytonia exigua subsp. exigua Geo. D. Butler 1909-3-28 678 Siskiyou near Yreka Comment
  HSC37545  Claytonia exigua subsp. exigua J. P. Smith 1974-5-27 7608 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC61811  Claytonia lanceolata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC163755  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino; Mining Camp Comment
  CAS-BOT-BC443818  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-6-24 11063 Siskiyou Mount Shasta. MacBride [McBride] Springs Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 Comment
  CAS-BOT-BC451757  Claytonia serpenticola W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, by Mt. Shasta Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC69574  Clintonia uniflora Maralyn A. Renner 1980-8-6 2260 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  POM43382  Collinsia grandiflora Geo. D. Butler 1226 Siskiyou Quartz Valley. Comment
  HSC72466  Collinsia greenei J. P. Smith, Steve Selva 1970-6-16 4046 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  UC138811  Collinsia linearis A. A. Heller 1905-6-1 7946 Siskiyou Shasta Retreat Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  SBBG18759  Collinsia rattanii C. B. Hardham 1961-7-2 8056 Siskiyou Salmon Mtn Summit 1828 Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  HSC91254  Collinsia torreyi var. wrightii Jennifer Whipple 1976-6-16 1012 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  HSC45818  Collomia grandiflora J. P. Smith, Steve Selva 1970-6-14 3864 Siskiyou Comment
  HSC45994  Collomia heterophylla J. P. Smith 1973-5-5 6430 Siskiyou Along Cook and Green Pass Rd. Comment
  UCSB3059  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; near Cudahy lakes; Marble Mts. 1219 Comment
  JEPS100721  Collomia larsenii Dean W. Taylor 1987-6-26 9070 Siskiyou Little Mount Hoffman, 2 miles West from Medicine Lake 2209 Comment
  SEINET10496958  Collomia larsenii Mary Susan Taylor 1980-8-18 Taylor 3264 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
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  UCD118258  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake. Comment
  HSC45974  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3898 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  JEPS87635  Conyza canadensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd (FS13) at creek Mud Creek (2.7 mi n of Hwy 89, ca 4.5 air mi ne of McCloud) 1097 Comment
  UCD77567  Corallorhiza maculata Robert E. Preston 2001-6-23 1549 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1828 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  SEINET12078269  Corallorhiza striata Unknown 1986-1 60355 Siskiyou SW of Cook and Green Pass, Kangaroo Mountain 1798 Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  UCSB61656  Cordylanthus tenuis Bacigalupi, Rimo 1954-8-13 Siskiyou Lower part of grade over Scott Mountain, on road from Callahan to Carrville, 1.2 mi. above (& So. of) junction with Gazell road 1097 Comment
  CAS-BOT-BC212049  Cornus nuttallii Marion Ownbey; D. H. Brown 1941-6-22 2426 Siskiyou Road between Craggy Mountain, and Deadwood Lookout northwest of Yreka 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
  UC61181  Cornus nuttallii W. A. Setchell, C. C. Dobie 1902-6-18 Siskiyou Mt. Shasta, Sisson Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  CAS-BOT-BC210401  Cornus sericea Alice Eastwood 1917-9-2 6705 Siskiyou Shasta Springs Comment
  CHSC40092  Cornus sericea subsp. sericea A. A. Heller 1920-6-20 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UCD110080  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  HSC101719  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13279 Siskiyou Along Lighthill Road, 0.1 mile north of Hwy. 3. 832 Comment
  RSA15690  Crataegus suksdorfii Carl B. Wolf 1927-8-26 1080 Siskiyou Klamath River. 4 miles below Hamburg Comment
  SBBG84017  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mtn Wilderness Area Comment
  CAS-BOT-BC290475  Crepis acuminata E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1879 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  RSA238881  Crepis acuminata Frederick W. Oettinger 1967-7-26 197 Siskiyou Northeastern end of Crapo Peak ridge. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2195 Comment
  JEPS107477  Crepis bakeri Lowell Ahart, John Dittes 2005-6-9 12028 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
  UCD130929  Crepis capillaris Robert E. Preston 1995-6-18 880 Siskiyou ca. 3 miles east-southeast of Hornbrook, adjacent to Ager Road. 701 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
Read comments
May 9 2008
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CAS-BOT-BC290836  Crepis occidentalis subsp. pumila Alice Eastwood 1912-7-17 1188 Siskiyou Sisson Comment
  CAS-BOT-BC290839  Crepis occidentalis subsp. pumila J. Grisham 1958-5-14 399 -58 Siskiyou Yreka Comment
  HSC43862  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  OBI55464  Crepis pleurocarpa David J. Keil, Kathleen Keil 1992-7-21 23540 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC1934559  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, 0.3 mi N of Hwy 3 on Forest Service 40N 08. 509 Comment
  CAS-BOT-BC290865  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  POM31899  Crocidium multicaule Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka Hills. Comment
  HSC68062  Croton setiger J. P. Smith, Steve Selva 1970-7-16 4401 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  HSC29341  Cryptantha affinis Frederick W. Oettinger 1969-7-10 960 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW of Upper English Lake 1921 Comment
  CHSC57422  Cryptantha milobakeri L. P. Janeway 1984-6-22 873 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC78652  Cryptantha rostellata Thomas Howell May 1889 Siskiyou Hornbrook Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  POM72235  Cryptantha torreyana Edward Palmer 2517 Siskiyou Mount Shasta and vicinity. Comment
  SBBG30587  Cryptantha torreyana D. Myrick 1968-6-25 2017 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA238017  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Shasta Ridge, an open granitic rock 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
  SEINET10754656  Cryptogramma cascadensis Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80541  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  UCR243141  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake 1232 Comment
  CDA39930  Cuscuta campestris T. C. Fuller 1963-8-27 11167 Siskiyou South side of Dorris-Tulelake Highway, 12 miles west of Hatfield. 0 Comment
  HSC28731  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou Marble Mtn. Wilderness Area, SE of Tom Taylor Cabin 2027 Comment
  RSA237964  Cuscuta occidentalis Frederick W. Oettinger 1967-8-10 243 Siskiyou 0.1 mi SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  POM210879  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head East Fork Horse Creek. Siskiyou Mountains. 1982 Comment
  HSC57389  Cycladenia humilis G. L. Clifton, Griswold 1979-7-26 10122 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  CDA30916  Cyperus odoratus M. Beyers, G. F. Hrusa 2010-8-18 697 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC727006  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou near Wagon Creek Falls Comment
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Jun 24 2013
  UC13515  Cypripedium montanum F. P. McLean June, 1875 Siskiyou ravine Wicks Ranch Comment
  CAS-BOT-BC70712  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou Along Thompson Creek, 3.5 miles above South Fork of Salmon River 1371 Comment
  HSC69251  Cystopteris fragilis J. O. Sawyer, J. Cole 1980-7-20 3720 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  UC1037347  Cystopteris fragilis Leo Whitney 1935-7-15 3569 Siskiyou 2 mi se Medicine Lake (stream near Bullseye Lake) 1981 Comment
  HSC92572  Cystopteris fragilis Jennifer Whipple 1976-7-23 1519 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  UC1183426  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave entrance Silver Cave; Lava Beds Nat'l Monument 1402 Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  UCSB51226  Cystopteris fragilis Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake, Trinity Mountains 2438 Comment
  HSC69220  Danthonia californica Maralyn A. Renner 1980-8-31 2624 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC194396  Danthonia intermedia Wm. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows - Mount Shasta 2590 Comment
  HSC76753  Danthonia unispicata K. T. Stillman 1976-7-21 277 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CAS-BOT-BC76243  Darlingtonia californica Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains. 1828 Comment
  SEINET10914313  Darlingtonia californica Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 888 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
  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
  UC563969  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou w slope Sconchin Butte; Lava Beds National Monument Comment
  HSC30793  Delphinium depauperatum Melinda F. Denton 1973-6-30 2934 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  HSC68541  Delphinium depauperatum Maralyn A. Renner 1980-6-24 1063 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS80580  Delphinium glaucum Gilbert Muth 1965-8-2 144 Siskiyou Marble Valley, Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC63059  Delphinium nuttallianum David Wheeler 1979-4-1 4 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC43376  Delphinium nuttallianum Maralyn O'Meara 1974-5-26 455 Siskiyou Along USFS Rd. 47N03 1524 Comment
  HSC77038  Delphinium nuttallianum K. T. Stillman 1976-6-17 19 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  POM207176  Deschampsia elongata E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy; On a creek bank 1372 Comment
  RSA238395  Deschampsia elongata Frederick W. Oettinger 1969-9-4 1633 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM94894  Descurainia incana subsp. viscosa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek. Comment
  HSC6708  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-30 317 Siskiyou California Lava Beds National Monument, Symbol Bridge 1433 Comment
  UC165737  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-6-12 895 Siskiyou McAdams Creek Comment
  UC165738  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-5-15 727 Siskiyou Klamath River Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 Comment
  HSC45212  Dicentra pauciflora J. O. Sawyer, Ed Cope 1977-6-21 2985 Siskiyou Near Prescott Peak 1677 Comment
  HSC44899  Dichelostemma congestum J. P. Smith, Steve Selva 1970-6-16 4027 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CHSC102555  Dieteria canescens var. shastensis L. P. Janeway 2009-8-3 9889 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CHSC102559  Dieteria canescens var. shastensis L. P. Janeway 2009-8-4 9894 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  UC618849  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-21 11536 Siskiyou Horse Camp Flats, Hudsonian Mount Shasta, Horse Camp Flats, Hudsonian <zone> Comment
  CAS-BOT-BC209022  Digitaria sanguinalis Dorothy Parker 1949-8-21 73 Siskiyou YeCanahue(?) Gulch, Scott Valley 914 Comment
  JEPS90949  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9250 Siskiyou Lava Beds National Monument, Caldwell Butte, at northern interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC153656  Diplacus jepsonii Gilbert Muth 1966-7-8 374 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  CAS-BOT-BC153738  Diplacus nanus Wm. Bridge Cooke 1940-6-4 15005 Siskiyou Along the Bolam Road Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  UC375204  Disporum hookeri Geo. D. Butler 1909-4-27 690 Siskiyou Quartz Valley Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  RSA238726  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1966-8-7 45 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA256602  Dodecatheon hansenii J. P. Smith 1974-5-25 7463 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  UC173898 Image available Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1676 Comment
  UC144190  Draperia systyla A. A. Heller 1905-6-5 7966 Siskiyou Near Shasta Springs Comment
  HSC86540  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1982 Comment
  CAS-BOT-BC159294  Drymocallis lactea var. lactea Alice Eastwood 1921-7-28 10901 a Siskiyou Medicine Lake Comment
  HSC25458  Drymocallis rhomboidea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5653 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  JEPS19813  Elatine triandra Rimo Bacigalupi with S. Galen Smith 1957-6-26 5970 Siskiyou ca 2.5 mi nw Weed (close to US Hwy 99) 1005 Comment
  CHSC118256  Eleocharis bella R. E. Brainerd; N. Otting 2013-7-12 2188 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  POM144790  Eleocharis bella E. B. Copeland 1903-8-12 3825 Siskiyou Sisson. Comment
  CAS-BOT-BC112776  Eleocharis macrostachya Henry Knut[e] Svenson 1939-6-23 13517 Siskiyou Meadow at Bear Springs, Mt. Shasta. 1524 Comment
  HSC30714  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Marble Mtn. Wilderness Area, due S of treeless area along ridge between David's Mtn. and Abbott's Lake Basin, on Old Tanner's Peak Trail 1905 Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  HSC30687  Elymus X hansenii Frederick W. Oettinger 1968-8-8 456 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  JEPS19727  Elymus elymoides subsp. elymoides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5938 Siskiyou about 2 1/2 mi nw Weed (close to US Hwy 99) 1005 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC22419  Elymus elymoides var. elymoides J. O. Sawyer 1969-6-12 903 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC67772  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3799 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  CAS-BOT-BC206611  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-8-20 6622 Siskiyou Hancock Lookout, on trail to Marble Mountain 2151 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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Jul 10 2014
  UCD61287  Elymus lanceolatus H. S. Yates 1936-6-21 5821 Siskiyou 1 mile SE of Gazelle. 792 Comment
  HSC58856  Elymus lanceolatus subsp. lanceolatus Marvin Butler 1971-1 265 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  HSC68524  Elymus spicatus Maralyn A. Renner 1980-6-23 995 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS117634  Elymus trachycaulus subsp. trachycaulus Lowell Ahart, John Dittes 2010-7-30 16957 Siskiyou About 20 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA105339  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou 5 miles north of Etna on Greenview Road 884 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
  HSC29172  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1791 Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  POM192604  Epilobium ciliatum subsp. glandulosum Milo S. Baker 1897-08 141 Siskiyou Payne s Springs Comment
  UC1409433  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou n side Horse's Hole (near Horse Range Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC637165  Epilobium densiflorum Edward Lee 1934-8-10 1017 Siskiyou s bank of river between McKinney Creek and Parkerhouse Creek; Klamath River 609 Comment
  UCD80885  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2001-6-23 1556 Siskiyou Klamath National Forest, N slope of Rainbow Mtn. 1767 Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  POM251082  Epilobium hallianum W. Bridge Cooke 1938-7-15 11208 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  HSC19487  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-5 1951 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC19488  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-4 1798 Siskiyou Above Sugar Lake 2134 Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  HSC61776  Epilobium luteum Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC49634  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET10632312  Epilobium oreganum A. Arthur Heller 1914-8-25 Heller 11712 Siskiyou Granite sand near Deetz station opposite Black Butte, wet grassy place 1140 Comment
  SEINET10815063 Image available Epilobium paniculatum Edward L. Greene 1876-8-28 Greene 1029 Siskiyou Near Etna. Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  SEINET12195418  Epilobium siskiyouense Unknown 1986-1 60353 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt., upper slopes of Hello C[an]y[o]n 1829 Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  SEINET5440067 Image available Equisetum hyemale Ross C. Clark, Bob Harvey; Chris Harvey 23910 Siskiyou Spring of Sacramento River- town of Mt. Shasta. Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  HSC46757  Equisetum laevigatum William J. Ferlatte 1968-6-8 1137 Siskiyou Big Flat, near campground 1524 Comment
  HSC46758  Equisetum laevigatum William J. Ferlatte 1969-6-25 1179 Siskiyou Big Flat, near campground 1524 Comment
  CAS-BOT-BC204510  Eragrostis cilianensis Dorothy Parker 1948-8-24 86 Siskiyou Along the road in Plowman's Valley 1188 Comment
  CAS-BOT-BC204511  Eragrostis cilianensis Dorothy Parker 1949-7-24 85 Siskiyou Garden, McConahue Gulch, Scott Valley 914 Comment
  UCR168481  Eragrostis orcuttiana L. C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC102713  Eragrostis pectinacea var. pectinacea J. P. Smith 2013-6-18 13746 Siskiyou Camp Creek Recreation Area. 723 Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  UC375460  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka Comment
  CAS-BOT-BC174226  Eremogone congesta var. congesta David D. Keck 1938-8-8 4874 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  UC1118667  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mouth Mountain House Creek; Dunsmuir Quad., Shasta National Forest, Mountain House Creek 1828 Comment
  UC1178568  Ericameria bloomeri Peter Kamb 1949-8-25 1484 Siskiyou sw slope of mtn above Horse Camp; Mt. Shasta 2468 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC287489  Ericameria greenei Alice Eastwood 1912-8-30 2040 Siskiyou Mt Eddy Comment
  UC179690  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt. Eddy 1889 Comment
  UC1539983  Ericameria nauseosa M. Mitchell 1936-5-19 37 Siskiyou 1 1/4 mi w of Caldwell Butte; Lava Beds National Park 1417 Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  HSC68482  Ericameria nauseosa var. speciosa Maralyn A. Renner 1980-6-10 875 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  HSC92691  Ericameria nauseosa var. speciosa Jennifer Whipple 1978-10-6 2413 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  LA203186  Ericameria nauseosa var. speciosa Wm. Bridge Cooke; 1939-8-4 13802 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC165409  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  HSC69305  Erigeron aliceae Maralyn A. Renner 1980-7-24 1984 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  JEPS84324  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6500 Siskiyou ca 15 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 2000 Comment
  JEPS82247  Erigeron bloomeri Roger Raiche 1983-8-14 30612 Siskiyou near summit of road to Mt. Eddy ((A.K.A. road to dead fall Meadow, park Creek Road, or Forest Road 42N17)) 2133 Comment
  CAS-BOT-BC294503  Erigeron bloomeri var. bloomeri R. C. Barneby 1954-5-16 11531 Siskiyou 6 mi. s.-w. of Yreka 975 Comment
  JEPS101369  Erigeron bloomeri var. nudatus Dean W. Taylor 1997-6-12 16053 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  JEPS105053  Erigeron cervinus Dean W. Taylor 1996-7-7 15803 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS125959  Erigeron cervinus D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles w of Scott Valley. Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC297184  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Along the railroad near Grenada station Comment
  CAS-BOT-BC296122  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine 1828 Comment
  CAS-BOT-BC295382  Erigeron inornatus Wm. Bridge Cooke 1938-8-19 11512 Siskiyou Mount Shasta. Near Howard Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  CAS-BOT-BC295391  Erigeron inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  CAS-BOT-BC295426  Erigeron inornatus var. calidipetris Alice Eastwood 1921-7-25 10809 Siskiyou Bigelows, McCloud River Comment
  JEPS41427  Erigeron inornatus var. inornatus Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Mt. Shasta, Toad Mountain Comment
  HSC29220  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' between Abbott's Upper Cabin and English Lake 1677 Comment
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  CAS-BOT-BC224138  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC248780  Eriogonum baileyi var. baileyi W. B. Cooke; V. G. Cooke 1966-7-16 37216 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  CAS-BOT-BC248781  Eriogonum baileyi var. baileyi Wm. Bridge Cooke 1949-8-26 25650 Siskiyou Above Bolam Station, Mount Shasta Comment
  CAS-BOT-BC94414  Eriogonum compositum R. C. Wenk 2005-7-15 227 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
  JEPS57046  Eriogonum compositum var. compositum Geo. D. Butler 1908-8-6 201 Siskiyou Whiskey Camp Marble Mt. region, Independence Creek 1676 Comment
  JEPS82707  Eriogonum compositum var. compositum Wayne Roderick 1984-6-6 Siskiyou 1 mi n on Highway 3 Callahan Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 Comment
  HSC30408  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Marble Mtn. Wilderness area, ridge trail E of Tom's Lake 2104 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  HSC42984  Eriogonum compositum var. compositum J. P. Smith 1976-5-4 8667 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 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
  HSC23647  Eriogonum diclinum J. O. Sawyer 1969-7-2 1028 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  JEPS84197  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 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
  RSA739627  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 a Siskiyou Klamath Ranges, Siskiyou Mtns, crest of the Mtn 2.1 air km NE of Condrey Mtn. 2115 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  JEPS57004  Eriogonum elatum var. elatum W. L. Jepson 1914-8-14 6164 Siskiyou Dunsmuir 670 Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  CAS-BOT-BC255758  Eriogonum elatum var. villosum L. R. Abrams 1922-8-6 9907 Siskiyou Between summit and Hornbrook Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  JEPS56173  Eriogonum luteolum var. luteolum W. L. Jepson 1907-7-22 2957 Siskiyou Miamber Trail from Scott Bar to Scott Valley Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET10970703  Eriogonum marifolium Mary Susan Taylor 1980-8-18 Taylor 3260 Siskiyou T43N R2E ne sec 14, Medicine Lake quad. Shasta-Trinity Natl Forest, Pumice Stone Well, in pumice, ca. 0.5 mi N of Pumice Stone Mountain. With J. Prouty & E. Heinz. 1951 Comment
  CAS-BOT-BC263177  Eriogonum marifolium var. cupulatum A. A. Heller 1920-8-12 13522 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  UC1560408  Eriogonum nudum var. nudum E. Joyal and D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake Happy Camp-Takilma road 1524 Comment
  POM208283  Eriogonum nudum var. nudum Louis C. Wheeler 1934-6-19 2738 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC272469  Eriogonum nudum var. pubiflorum A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  POM316725  Eriogonum nudum var. pubiflorum Patricia Wilder 1965-9-29 4195 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  UC61057  Eriogonum nudum var. pubiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  RSA331950  Eriogonum pyrolifolium var. pyrolifolium Dave Kelly, Walter Wisura 1985-7-31 4086 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  HSC43443  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2187 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CAS-BOT-BC262731  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Comment
  SEINET3160080  Eriogonum strictum var. proliferum G. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  SBBG1641  Eriogonum umbellatum H. and M. Dearing 1938-6-28 2184 Siskiyou Mt Shasta 1524 Comment
  SBBG1645  Eriogonum umbellatum H. and M. Dearing 1939-7-1 3783 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC267994  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Shore of Castle Lake Comment
  UC85397  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  CHSC93534  Eriogonum umbellatum var. dumosum 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
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  RSA50154  Eriogonum umbellatum var. dumosum E. K. Balls 1949-7-10 13061 Siskiyou 8 miles from Sawyers Bar on way to Cecilville. 793 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC1980602 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.6 air miles north of Etna. Comment
  UC902110  Eriogonum umbellatum var. lautum Joseph P. Tracy 1949-9-16 18562 Siskiyou 1 mi e Etna (Scott Valley); Scott Valley 883 Comment
  UC163830  Eriogonum umbellatum var. modocense Geo. D. Butler 1908-7-12 215 Siskiyou Humbug Mountain Comment
  RSA420576  Eriogonum umbellatum var. nelsoniorum Louis C. Wheeler 1934-7-3 2846 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 1768 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  CAS-BOT-BC262377  Eriogonum vimineum W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  CAS-BOT-BC443953  Eriophorum crinigerum Dana York 2012-7-20 3122 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  CAS-BOT-BC300354  Eriophyllum Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CHSC118637  Eriophyllum lanatum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -016 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  CAS-BOT-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  SEINET10758249  Eriophyllum lanatum var. achilleoides Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 880 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
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  CAS-BOT-BC301718  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-8-18 3859 Siskiyou Redshale Mountain, east of Medicine Lake Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  OBI55483  Eriophyllum lanatum var. lanceolatum David J. Keil, Kathleen Keil 1992-7-21 23523 Siskiyou Klamath NF SE of Callahan on hwy 3, 0.8 mi NW of Scott Mtn summit Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 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
  HSC101097  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou Comment
  CAS-BOT-BC54579  Erysimum capitatum Doris K. Kildale 1929-7-20 8584 Siskiyou East spur Preston Peak above Rockefeller Lake. 2133 Comment
  RSA530364  Erysimum capitatum var. capitatum N. G. Sugihara 1977-5-28 77 Siskiyou 0.3 mile towards Sawyers Bar from Hwy 96. 1067 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  CHSC88394  Erythranthe guttata Jenny Marr 1993-7-1 153 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA211424  Erythranthe pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the south fork of the Salmon River between the campground and Carter's 1524 Comment
  CAS-BOT-BC403677  Eschscholzia californica A. A. Heller 1905-6-9 8002 Siskiyou Yreka Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  SEINET5339918  Eschscholzia californica G. Butler 1910-5-7 1301 Siskiyou Dry land yreka Comment
  NY1085467  Eschscholzia confinis C. F. Baker 1903-7-2 3532 Siskiyou Klamathon Comment
  HSC61202  Eucephalus glabratus Al Hobart 1967-8-7 Siskiyou El Capitan 1524 Comment
  SEINET5708609 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  CAS-BOT-BC413904  Fallopia convolvulus L. E. Smith 1915-7-1 s.n. Siskiyou Sisson Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  CDA28208  Festuca elmeri William J. Ferlatte 1987-5-2 Siskiyou Highway 3 0.9 mile north of Scott Mountain Summit, south of Callahan 0 Comment
  CHSC91228  Festuca idahoensis Lowell Ahart; John Dittes 2005-6-10 12100 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA239116  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1585 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET238827 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8151 Siskiyou Shasta-Trinity National Forest; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 4 Comment
  HSC103043  Festuca microstachys J. P. Smith 2014-6-7 13901 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  HSC43044  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-2 2817 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  SEINET10559315  Festuca occidentalis A. Arthur Heller 1915-7-18 Heller 249 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. 1189 Comment
  SEINET10864166  Festuca roemeri Barbara L. Wilson 1996-6-22 Wilson 8172 Siskiyou 0.9 miles from the Gazelle Rd on the Stewart Springs Rd (Forest Service Rd 17), at the first bend in the road, ca. 3.5 miles W and 1 mile N of weed; T42N R5W S32 SW1/4. Comment
  UCD66368  Festuca rubra Geo. D. Butler 1909-6-13 829 Siskiyou Moffitt Creek. Comment
  SEINET8274264  Fragaria vesca W. Bridge Cooke 1938-6-24 11079 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC437076  Fragaria vesca subsp. bracteata Alice Eastwood No date on label. s.n. Siskiyou Sisson Comment
  UC61650  Fragaria virginiana subsp. platypetala Geo. B. Grant Sep 1902 5196 Siskiyou Sisson; Mount Shasta 914 Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  POM208196  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  HSC16197  Fraxinus latifolia C. B. Wolf 1927-8-26 998 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC19059  Fritillaria atropurpurea J. O. Sawyer 1969-7-16 1147 Siskiyou W of Waterdog Lake 2073 Comment
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  HSC61605  Fritillaria glauca Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  UC1733719  Fritillaria pudica Frank Gould, Kay H. Beach 1940-5-15 1244 Siskiyou Bull Meadows Comment
  JEPS25629  Galium bifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7267 Siskiyou Poker Flat 1536 Comment
  HSC19068  Galium bolanderi J. O. Sawyer 1969-7-23 1452 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC67859  Galium bolanderi J. P. Smith, Steve Selva 1970-6-16 3994 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS6704  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  JEPS87642  Galium boreale subsp. septentrionale Vernon H. Oswald and Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 ca. 0.5 mi w Harris Spring Rd. (FS15) (ca 4 air mi nne of Bartle); Bartle Creek, Stillwater Meadows 1359 Comment
  CAS-BOT-BC540348  Galium glabrescens subsp. glabrescens Dana York 2012-7-20 3117 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  RSA261381  Galium grayanum var. grayanum J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3755 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS88934  Galium oreganum Joseph P. Tracy 1951-6-16 19504 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of Siskiyous); Siskiyous Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  HSC19067  Galium triflorum J. O. Sawyer 1969-8-4 1891 Siskiyou Above S Sugar Lake 2043 Comment
  HSC23615  Galium triflorum J. O. Sawyer 1970-7-4 2321 Siskiyou At Cedar Flat Cabin 1402 Comment
  JEPS6534  Galium triflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou woods near Sisson; Region of the Upper Sacramento Comment
  CAS-BOT-BC200583  Garrya buxifolia Doris K. Kildale 1929-7-20 8627 Siskiyou Trail along South Fork Indian Creek to Elk Lick Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. 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
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  RSA467222  Gaultheria humifusa L. C. Wheeler 1934-8-15 3159 Siskiyou South side White Mt., Siskiyou Mts. 1646 Comment
  RSA238350  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  CHSC71489  Gayophytum heterozygum Vernon H. Oswald; Lowell Ahart 1998-7-21 9316 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 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
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  HSC91275  Gentiana calycosa Jennifer Whipple 1976-9-2 1765 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC609349  Gentiana calycosa Eleanor Burks Hart 1938-8-16 899 Siskiyou moist hillside on e side of lake Scott Bar Quad, Boulder Pk., Lower Wright Lake 2103 Comment
  HSC60905  Gentiana calycosa Al Hobart Siskiyou Black Butte Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  RSA238871  Gentiana plurisetosa Frederick W. Oettinger 1967-8-5 242 Siskiyou North of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS44854  Geum triflorum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Mountain Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  UC52440  Gilia capitata subsp. capitata W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  HSC30448  Glyceria elata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1284 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UC819300  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1158 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  JEPS34010  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14747 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  JEPS34011  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14748 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  JEPS34050  Gnaphalium palustre Geo. D. Butler 1908-7-7 315 Siskiyou along creek at Butler's Ranch near Yreka Comment
  RSA15796  Gnaphalium thermale C. B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi N of Gottville P. O. Comment
  RSA237529  Gnaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou NE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC19395  Goodyera oblongifolia J. O. Sawyer 1968-6-18 195 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC19435  Goodyera oblongifolia J. O. Sawyer 1969-8-11 2004 Siskiyou Along S French Creek 1692 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  UC134621  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  RSA170301  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N limits of Macdoel. Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  CHSC154  Hackelia californica V. Holt 1932-6-23 Siskiyou McCloud River. Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 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
  HSC22205  Hackelia micrantha J. O. Sawyer 1968-7-2 364 Siskiyou Upper drainage of Joe Creek 1677 Comment
  SEINET12281162  Hackelia micrantha J. P. Tracy 1951-1 19494 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd, near state line Comment
  SEINET10902876  Hackelia mundula Mary Susan Taylor 1980-7-8 Taylor 3108 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UCSB13153  Hastingsia alba Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC504604  Hastingsia alba Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak Comment
  HSC19550  Hastingsia serpentinicola J. O. Sawyer 1969-6-10 797 Siskiyou S face near Sugar Lake 1829 Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC61972  Hazardia whitneyi var. discoidea Al Hobart 6 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  CHSC351  Helenium bigelovii V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC69085  Helenium bigelovii Maralyn A. Renner 1980-8-4 2216 Siskiyou Flint Valley 1390 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UC1076043  Helianthella californica subsp. nevadensis Herbert L. Mason 1947-5-17 14761 Siskiyou on Scott Mountain Road five mi s Callahan Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  HSC68505  Hemizonella minima Maralyn A. Renner 1980-6-22 921 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  UCD133063  Hemizonella minima J. M. Tucker 1963-7-4 3695 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  POM215863  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 miles W of Greenview, Scott Valley. 884 Comment
  JEPS32303  Hesperolinon micranthum W. L. Jepson July, 1894 13539 Siskiyou Sisson Comment
  UC133548  Hesperolinon micranthum Dr. E. B. Copeland 1903-7-8 3561 Siskiyou Klamathon Comment
  POM87184  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills. 1220 Comment
  JEPS11809  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  SEINET10460602  Heterocodon rariflorum Willis L. Jepson Jepson 1894 Siskiyou SISSON Comment
  SEINET10460683  Heterocodon rariflorum Butler 1910-7-8 BUTLER 1662 Siskiyou SHACKELFORD CR. 1219 Comment
  HSC18658  Heteromeles arbutifolia C. B. Wolf 1927-8-27 1151 Siskiyou On Klamath River, 6 mi. above the mouth of Salmon River Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  CAS-BOT-BC420935  Heuchera micrantha var. diversifolia A. M. Vollmer; L. Beane 1951-6-2 50 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  RSA184624  Hieracium albiflorum Clare B. Hardham 1965-08 13004 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  JEPS36578  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  HSC59899  Hieracium horridum D. L. Goforth 1979-7-19 255 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  JEPS36582  Hieracium nudicaule Duncan Dunning 1921-7-16 Siskiyou nw of Hambone (se Siskiyou County); Toad Mountain Comment
  RSA238735  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  UCD77777  Holodiscus discolor var. microphyllus Robert E. Preston 2001-7-21 1735 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC150137  Holodiscus microphyllus var. glabrescens 1902-9-7 s.n. Siskiyou Mt. Shasta - Horse Camp Comment
  CDA3419  Holosteum umbellatum J. T. Howell 1964-5-11 40699 Siskiyou Grenada. Comment
  UCD98180  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  CAS-BOT-BC289280  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1983-8-26 590 Siskiyou At Poker Flat, Siskiyou Mountains 1524 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS104786  Horkelia daucifolia Dean W. Taylor 1996-5-29 15638 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  SEINET7042830  Horkelia daucifolia A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  UC609363  Horkelia fusca subsp. parviflora Eleanor Burks Hart 1938-8-18 949 Siskiyou ridge above Big Meadow 2377 Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  RSA78811  Horkelia tridentata subsp. flavescens Philip A. Munz 1952-7-2 17885 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  HSC61502  Hosackia crassifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC201135  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15089 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC32005  Hosackia crassifolia A. M. Montalvo, J. D. Ackerman 1974-7-2 358 Siskiyou Along rd. to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 Comment
  HSC77274  Hosackia crassifolia L. P. Janeway 1983-6-25 331 Siskiyou Near dirt rd. 450 m N of West Branch Guard Sta. 671 Comment
  HSC71098  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4504 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CHSC102560  Hulsea nana L. P. Janeway 2009-8-3 9888 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  UC642525  Hulsea nana W. Bridge Cooke 1939-7-26 13768 Siskiyou along summit trail below Lake Helen Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  HSC17  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SEINET3156130  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  CAS-BOT-BC312849  Hymenoxys lemmonii Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 mi. E Grenada 853 Comment
  UC177234  Hymenoxys lemmonii Geo. D. Butler Siskiyou Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC400985  Hypericum anagalloides Doris K. Kildale 1928-7-4 5526 Siskiyou 1 1/2 miles east of Summit between Sawyers Bar & Etna Mills Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  RSA238862  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Mid-way between the English lake main camp and 'Sundew Bog' due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC99612  Hypericum scouleri J. O. Sawyer 1969-7-26 1593 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC206827  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  SD76181  Ipomopsis aggregata Helen V. Witham unknown 598 Siskiyou McBride Springs Road, Mt. Shasta. 1500 Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  RSA183664  Ipomopsis congesta Gilbert Muth 1965-7-29 312 Siskiyou Ridge near Marble Mountains Lookout Comment
  RSA366828  Iris macrosiphon M. B. Dunkle 1944-6-25 9024 Siskiyou Beaver Creek, Siskiyou National Forest, Sierra Nevada Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  RSA135924  Iris tenuissima Lee W. Lenz 1953-5-13 18298 Siskiyou 7 miles from Happy Camp on road to Yreka 366 Comment
  CDA3770  Isatis tinctoria Margaret Bellue Jun 1935 Siskiyou Scott Valley. 0 Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 Comment
  UC371168  Isoetes bolanderi G. D. Butler 1908-8-8 254 Siskiyou Wooly Creek 1524 Comment
  RSA636054  Isoetes bolanderi I. Shackleford 1995-7-24 257 Siskiyou Big Carmen Lake, along a road connecting to Hwy 3. 1650 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  RSA237979  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou NW side of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UC922487  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-25 5849 Siskiyou pond s of Lake Paradise Lake; Marble Mts 2072 Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  CAS-BOT-BC142726  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  JEPS121621  Juncus balticus Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  HSC85849  Juncus balticus subsp. ater L. P. Janeway 1983-8-16 549 Siskiyou Poker Flat 1524 Comment
  RSA186331  Juncus drummondii Gilbert Muth 1966-10-16 23 Siskiyou Marble Mountains 1793 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  HSC36769  Juncus dubius Brent Whitely 1975-6-28 93 Siskiyou 915 Comment
  CHSC40143  Juncus ensifolius L. P. Janeway 1983-8-26 613 Siskiyou At Poker Flat. Northwest part of the meadow near the dirt road. 1524 Comment
  HSC71097  Juncus ensifolius Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4512 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS66982  Juncus ensifolius Geo. D. Butler 1910-8-13 1832 Siskiyou Quartz Valley Comment
  JEPS94065  Juncus ensifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi. s.e. of Gazelle-Callahan Rd. at its intersection w/ USFS 41N10 1554 Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  UCD77268  Juncus nevadensis Robert E. Preston 2002-7-12 1905 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1652 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC67452  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC81233  Juniperus occidentalis Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC401376  Juniperus occidentalis Geo. D. Butler 1909-3-6 580 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  OBI53727  Keckiella lemmonii David J. Keil, Kathleen Keil 1992-7-19 23461 Siskiyou Klamath Natl Forest, 9 mi NW of Forks of Salmon along Forks of Salmon rd 300 Comment
  HSC4855  Kelloggia galioides J. O. Sawyer 1968-7-23 612 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  JEPS95018  Kelloggia galioides Vernon Oswald and Lowell Ahart 1997-7-28 8795 Siskiyou se of Medicine Lake (at Paynes Springs, on floor of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  UC397360  Kelloggia galioides Katharine Brandegee 1895-8-11 Siskiyou Mt. Shasta Comment
  LA208510  Kelloggia galioides W. B. C.; 1937-7-23 9109 Siskiyou Mount Shasta, Along Sisson Southern Trail 1981 Comment
  HSC64371  Koeleria macrantha Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  HSC5895  Lactuca serriola R. C. Wunner 1965-8-14 415 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  HSC45166  Lathyrus nevadensis var. nevadensis J. O. Sawyer, E. Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1733731  Lathyrus vestitus Kay H. Beach, Frank Gould 1940-5-15 632 Siskiyou Bull Meadows Comment
  RSA659519  Ledum glandulosum Gary D. Wallace 1990-7-1 2956 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  SD53406  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou 56.8 miles east of Happy Camp on #96; bank of Klamouth River 609 Comment
  RSA45316  Lepidium campestre Dorothy Parker 1946-05 s.n. Siskiyou Plowman s Valley. 1128 Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 Comment
  JEPS117568  Lepidium latifolium Lowell Ahart, John Dittes 2010-7-30 16966 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
  RSA603115  Lepidium montanum var. canescens L. C. Wheeler 1935-6-30 3639 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC12835  Lepidium perfoliatum A. A. Heller 1928-6-9 14609 Siskiyou Near Gazelle. In the Shasta Valley, a treeless region first noticed here in 1925. Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  SEINET7042818  Lepidium perfoliatum A. G. Vestal 1955-5-17 s.n. Siskiyou On a steep bare bank. 2.3 miles north of Yreka in the Shasta Valley. Hawkinsville quadrangle UTM Zone 10. 532221,E, 4623913mN Comment
  CAS-BOT-BC12996  Lepidium virginicum Lewis S. Rose 1945-6-18 45099 Siskiyou Horse Creek and Klamath River. 502 Comment
  UC856584  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou near Sisson 1074 Comment
  HSC101759  Leptochloa fusca subsp. fascicularis J. P. Smith, J. O. Sawyer 2011-9-4 13414 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  SEINET7073533  Leptodactylon pungens A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
  HSC30635  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou Marble Mtn. Wilderness Area, edge of Wiregrass Meadow below English Lake 1677 Comment
  UC1540138  Lesquerella occidentalis subsp. occidentalis Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9262 Siskiyou Lyons Peak Medicine Lake volcanic highland region, Lyons Peak (extreme ne portion of co.) 2407 Comment
  CAS-BOT-BC341898  Lessingia nemaclada H. A. Thomas; J. H. Thomas 1954-7-21 4383 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 975 Comment
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  RSA114971  Leucophysalis nana E. K. Balls, Lee W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi E of McCloud State Hwy. 1006 Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69192  Lewisia cotyledon Maralyn A. Renner 1980-9-1 2696 Siskiyou Bear Mtn. 1936 Comment
  CDA23972  Lewisia cotyledon D. L. Janssen, F. D. Horn 1978-5-19 Siskiyou Scott Bar Mountain Lookout, approximately 20 km west of Fort Jones. 0 Comment
  RSA211269  Lewisia cotyledon William J. Ferlatte 1966-7-7 207 Siskiyou Caribou Basin. 1982 Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  CAS-BOT-BC444063  Lewisia cotyledon var. howellii L. R. Short 1933-5-24 119 Siskiyou Klamath National Forest. Rocky cliff on Klamath 548 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  UC635337  Lewisia leeana Dorothy Tebbe 1930-7-22 13 Siskiyou Crater Lake, Mount Eddy Mount Eddy, Crater Lake Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  HSC75110  Lewisia rediviva J. P. Smith, Thomas W. Nelson 1979-6-15 10120 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  UC803924  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4016 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  UCD88001  Leymus triticoides H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle. 792 Comment
  CDA32475  Leymus triticoides Bill Huse 1960-6-2 4518 Siskiyou Tulelake. 0 Comment
  SEINET10595920  Leymus triticoides Louis C. Wheeler 1935-7-13 Wheeler 3662 Siskiyou Dry silty loam. Ager. 792 Comment
  SEINET3863117 Image available Libocedrus decurrens Dan Youngberg 1964-8-17 62 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  HSC76748  Ligusticum californicum K. T. Stillman 1976-7-15 254 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET184940  Liliaceae Unknown 1939-7-9 5319 Siskiyou Between King's Castle and Black Mts., west side of ridge 1829 Comment
  HSC34458  Lilium kelleyanum A. M. Montalvo, J. D. Ackerman 1974-7-2 350 Siskiyou Near Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta 1829 Comment
  UC1409481  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou se corner, vicinity of English Peak, w Siskiyou County Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
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Dec 13 2006
  UC1222536  Lilium occidentale Joseph P. Tracy 1950-7-19 19211 Siskiyou about 5 mi se Elk Valley, Del Norte County (Flint Valley); Flint Valley Comment
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Dec 13 2006
  CAS-BOT-BC130816  Lilium pardalinum W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC130825  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  CAS-BOT-BC133102  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 186 Siskiyou Mt. Shasta Comment
  HSC68673  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-4 1492 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  NY319773  Lilium wigginsii L. Beane 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Highway 99. Comment
  JEPS25586  Linanthus harknessii Rimo Bacigalupi 1959-7-2 7218 Siskiyou near n base of Caribou Mtn. (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground, headwaters); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC722477  Linanthus harknessii C. L. Hitchcock and J. S. Martin 1939-7-6 5214 Siskiyou on Takilma to Happy Camp road 1676 Comment
  UCD118736  Linanthus pungens P. Quentin Tomich 1954-6-29 437 Siskiyou Schonchin Well, Lava Beds National Monument. 1356 Comment
  HSC22270  Linnaea borealis subsp. longiflora J. O. Sawyer 1969-7-23 1168 Siskiyou Near Horse Range Creek. 1341 Comment
  JEPS12683  Linnaea borealis var. longiflora Ruby Van Deventer 1938-7-31 194 Siskiyou w side Poker Flat Woods; w side Poker Flat Woods 1219 Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  JEPS27162  Lithophragma campanulatum Lauramay T. Dempster 1961-7-1 1827 Siskiyou along ridge from Condry Peak to White Mountain; ridge from Condry Peak to White Mountain Comment
  JEPS20030  Lithophragma glabrum George D. Butler 1909-3-14 558 Siskiyou near Yreka (McNulty's upper field); near Yreka Comment
  JEPS82474  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area, Marble Valley Meadow 1792 Comment
  HSC64841  Lithophragma parviflorum J. P. Smith 1973-5-5 6531 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC317336  Lithospermum californicum Doris K. Kildale 1929-7-20 8553 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC325942  Lithospermum californicum Alice Eastwood 1923-5-23 11915 Siskiyou Cantara. S.P.R.R. [Southern Pacific Railroad] Comment
  RSA75626  Lithospermum californicum Albert M. Vollmer, L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Hwy. Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC22217  Lomatium macrocarpum J. O. Sawyer 1969-8-1 1633 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  HSC43384  Lomatium nudicaule Maralyn O'Meara 1974-5-26 460 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC21098  Lomatium nudicaule W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mt. Shasta, Sisson Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 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
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  HSC22218  Lonicera conjugialis J. O. Sawyer 1969-7-7 1082 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC29345  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Ridge E of Hancock Lake, Hancock Lake Basin. 1982 Comment
  HSC69301  Lonicera conjugialis Maralyn A. Renner 1980-7-24 1988 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  CAS-BOT-BC243925  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  JEPS95831  Lotus crassifolius var. crassifolius Vernon H. Oswald and L. Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate. Plant to ca. 8 dm tall at roadside. 1508 Comment
  UC163680  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  UC454612  Lotus stipularis I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  HSC26153  Lotus unifoliolatus var. unifoliolatus J. P. Smith, J. O. Sawyer 1972-9-14 5805 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC87  Luetkea pectinata William J. Ferlatte 1966-8-17 389 Siskiyou Caribou Basin 1982 Comment
  POM257741  Luetkea pectinata C. Leo Hitchcock 1939-7-9 5328 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  RSA237596  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UCR52471  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  RSA78323  Luina hypoleuca P. A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans. 183 Comment
  HSC89805  Lupinus albicaulis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  UC725354  Lupinus albicaulis var. shastensis A. A. Heller 1940-7-25 15764 Siskiyou trail to Horse Camp Mt. Shasta (Mt. Shasta) Comment
  RSA60786  Lupinus albicaulis var. shastensis Dorothy Parker 180 -A Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  CAS-BOT-BC195954  Lupinus albifrons var. albifrons L. E. Smith 1913-4-2 s.n. Siskiyou Between Redding and Hormet [Hornet] Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
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May 16 2007
  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
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  RSA256013  Lupinus breweri var. breweri Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC215173  Lupinus croceus M. L. Conrad; Dunn; Kenney 1973-6-2 6988 Siskiyou On road to Callahan, 17.4 miles NE of Cecilville Store 2072 Comment
  JEPS74515  Lupinus croceus W. J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine Trinity Alps, Yellow Rose Mine 1981 Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  UC162168  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-7 373 Siskiyou Whiskey Camp; Independence Creek, Whiskey Camp Comment
  UCD108232  Lupinus lepidus A. A. Heller 1920-7-9 13421 Siskiyou Mt. Eddy. 2438 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  UC85087  Lupinus lepidus var. sellulus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  RSA52463  Lupinus nanus var. apricus Dorothy Parker 1948-4-21 s.n. Siskiyou Callahan 952 Comment
  UC1034051  Lupinus obtusilobus W. Bridge Cooke 1941-9-10 16310 Siskiyou vicinity Horse Camp (Mt. Shasta); Mt. Shasta Comment
  RSA104385  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC40979  Lupinus polyphyllus J. O. Sawyer 1971-7-15 2429 Siskiyou Along Red Rock Valley Creek 1585 Comment
  SBBG47512  Lupinus polyphyllus var. burkei M. B. Dunkle 1945-1 Siskiyou Dads Pocket, Marble Mtns Comment
  RSA183653  Lupinus sellulus var. lobbii Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on back of Black Mountain. Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  SEINET4460493 Image available Lupinus viridifolius A. A. Heller 1905-1 7928 Siskiyou Comment
  RSA60626  Luzula comosa I. L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  HSC2363  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head Of Kidd Creek 2134 Comment
  UC2956  Luzula macrantha Harley P. Chandler June, 1901 1562 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain (Klamath River to Marble Mountain) 1828 Comment
  HSC39711  Luzula parviflora J. P. Smith, Steve Selva 1970-6-16 4067 Siskiyou 8 mi. W of Etna on road to Sawyers Bar 1372 Comment
  UC1161522  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area, headwaters Canyon Creek 1950 Comment
  CDA8226  Machaeranthera canescens T. C. Fuller 1963-8-27 11158 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  CAS-BOT-BC342601  Madia R. E. Frenkel 1965-6-14 943 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
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Jan 23 2011
  CAS-BOT-BC343995  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC105076  Melica aristata R. C. Wenk 2008-7-24 918 Siskiyou SW side of Mount Shasta, McBride Springs. Growing in campground near pump at springs 1493 Comment
  CAS-BOT-BC269363  Melica californica Lincoln Constance; Reed C. Rollins 1942-5-14 2934 Siskiyou Klamath--Siskiyou Region. Shasta River 6 miles north of Yreka 762 Comment
  UC167214  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 Comment
  UCD87482  Melica harfordii Beecher Crampton 1956-8-21 3844 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  CAS-BOT-BC428542  Micranthes aprica Harley P. Chandler 1901-6-1 1675 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC428980  Micranthes ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC429259  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou At Sisson Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  HSC17119  Microsteris gracilis R. C. Wunner 1965-6-29 306 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave along fire rd. 1433 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC61903  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1586888  Mimulus Juha Pykala and D. H. Norris 1987-7-7 2410 Siskiyou Jot Dean Ice Cave 1700 Comment
  UC1736358  Mimulus breweri Dean W. Taylor 1987-6-7 9021 Siskiyou South end Saddle Hills 1645 Comment
  RSA1921  Mimulus cardinalis Carl B. Wolf 1930-10-23 1757 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  UC144522  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson Comment
  RSA237239  Mimulus guttatus Frederick W. Oettinger 1967-6-28 128 Siskiyou Mouth of Kelly Gulch, tributary of Salmon River. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  HSC435  Mimulus moschatus William J. Ferlatte 1967-7-26 736 Siskiyou Caribou Basin 1982 Comment
  UCD122800  Mimulus moschatus J. M. Tucker; R. Tofsrud 1948-8-3 1778 Siskiyou 3 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UCD77259  Mimulus moschatus Robert E. Preston 2001-6-30 1641 Siskiyou Klamath National Forest, Rainbow Mountain. 1722 Comment
  JEPS83034  Mimulus nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n of Mount Shasta (along U.S. Highway 97, 0.2 mi n of Yreka Road junction); U.S. Highway 97 Comment
  UC618711  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-15 11214 Siskiyou above Bear Springs; Mount Shasta Comment
  RSA261454  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC618708  Mimulus primuloides W. Bridge Cooke 1938-7-1 11124 Siskiyou above Bear Spring (also at Panther and Squaw Creek Meadows); Mount Shasta Comment
  UC886325  Mimulus primuloides subsp. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou near head Wagon Creek Canyon; Mt. Eddy 2590 Comment
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  HSC34012  Minuartia douglasii J. P. Smith 1974-5-25 7511 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  CAS-BOT-BC174739  Minuartia nuttallii A. A. Heller 1916-7-22 12492 Siskiyou East side of Mt. Eddy Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  JEPS100204  Minuartia stolonifera Dean W. Taylor 2002-6-10 18120 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  NY8430  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou T40N R8W, Sec. 24. Along S side of State Route 3, 3.1 mi N of Scott Moutnain Pass. Rocky openings in Jeffery Pine woodland on serpentine. 4000 ft. Comment
  CAS-BOT-BC229603  Mirabilis greenei W. B. C. 1940-6-20 15155 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  RSA468283  Mitella Louis C. Wheeler 1934-6-19 2737 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC4889  Mitella pentandra J. O. Sawyer 1968-6-18 242 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC4892  Mitella pentandra J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC433074  Mitella trifida Doris K. Kildale 1928-7-2 5413 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC220364  Monardella odoratissima subsp. pallida Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SFV5180  Monardella odoratissima subsp. pallida B. C. Templeton 1960-6-21 8590 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC445108  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  RSA601896  Montia linearis L. C. Wheeler 1935-4-18 3431 Siskiyou Greenhorn Creek, Siskiyou Mountains. 944 Comment
  HSC22224  Montia parvifolia J. O. Sawyer 1969-7-10 1302 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  RSA239105  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-24 1521 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  LA9644  Muhlenbergia filiformis J. R. Swallen; 1939-7-7 13604 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  JEPS94253  Myosotis discolor Vernon H. Oswald and Lowell Ahart 1998-6-11 9211 Siskiyou 23 air mi ne of Weed (Old State Highway 0.5 mi w of Bray, 10 air mi e of Grass Lake located on Highway 97); Old State Highway 1414 Comment
  UC1222235  Myosotis discolor Joseph P. Tracy 1951-6-16 19464 Siskiyou ca. ___ <no mi. given> mi. n. of summit crossing of Siskiyou Mts. (on Takilma Happy Camp Rd.); Siskiyou Mts. Comment
  RSA604413  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  HSC12275  Nama lobbii Richard Spjut 1970-7-18 468 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  UC880850  Nama lobbii Lewis S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City 1158 Comment
  RSA166186  Nama lobbii Donald Myrick 1961-6-22 319 Siskiyou On Hwy 89 near McCloud. 915 Comment
  UC1409297  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou drying meadows nw Upper English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, Upper English 1950 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  JEPS70351  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou Oro Fino 853 Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  POM65167  Navarretia sinistra E. B. Copeland 1903-7-3 3560 Siskiyou Klamathon. Comment
  JEPS94846  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1998-9-16 9636 Siskiyou Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97); Highway 161 1243 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  HSC21266  Nicotiana attenuata R. C. Wunner 1965-8-17 438 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  SEINET4174316  Nitrophila occidentalis G. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  UCD20356  Nitrophila occidentalis Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  HSC63244  Nothochelone nemorosa M. A. Baker 1979-7-31 1084 Siskiyou Marble Mtn. Wilderness, Tickner Hole 3100 Comment
  UCSB24512  Notholithocarpus densiflorus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  UC1733730  Oenothera Kay H. Beach, Frank Gould 1940-5-15 622 Siskiyou Bull Meadows Comment
  HSC35067  Olsynium douglasii var. douglasii J. P. Smith 1974-5-25 7648 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CDA7579  Onopordum tauricum T. C. Fuller 1959-12-1 3324 Siskiyou Fred Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  HSC96878  Oreostemma alpigenum Gordon Leppig 1997-8-23 673 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC4911  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-22 549 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC92269  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-9-2 1763 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SEINET5708887 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  UC595071  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou between Craggy Peak and Scott Mountain divide, at Trinity Co. line Craggy Peak; Trinity Co. line, Scott Mountain 1675 Comment
  JEPS79773  Orobanche corymbosa L. R. Heckard 1967-8-14 1728 Siskiyou 19 mi n Weed (just e of U.S. Hwy 97, 2 mi n of Deer Mt Lodge) Comment
  JEPS16339  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 miles south of turnoff to Bray on U. S. Highway 97. 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
  CAS-BOT-BC500190  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  CAS-BOT-BC500191  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  RSA0066438  Orobanche fasciculata Frederick W. Oettinger, Robert Thorne 1969-8-4 1176 Siskiyou North of Tobacco Lake. 1889 Comment
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  HSC29192  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou High Lakes Basins, Marble Mountain Wilderness Area, Upper English Lake campsite at NE corner 1768 Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  CAS-BOT-BC458086  Orthilia secunda Doris K. Kildale 1929-8-24 8831 Siskiyou Preston Peak 2225 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  CHSC20419  Orthocarpus cuspidatus subsp. copelandii L. M. Mayer 1974-7-1 308 Siskiyou Along ridgetop, se of Shadow Lake. Marble Mountain Primitive Area. Comment
  HSC630  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-7-7 219 Siskiyou Big Flat, near public camp 1524 Comment
  RSA407988  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2858 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UC1313001  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker and L. K. Mann 1963-8-17 3741 Siskiyou beside trail to top of ridge to s from Red Rock Valley (Marble Mountain Wilderness ARea); Marble Mountain Wilderness Area, trail fr Red Rock Valley 1859 Comment
  UCD123232  Orthocarpus cuspidatus subsp. copelandii Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east of Marble Mountain, Marble Mountains, California. 1859 Comment
  UC454802  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UCD123245  Orthocarpus tenuifolius A. H. Murphy 1956-8-14 56 G Siskiyou Klamath National Forest, pass on trail west of Marshy Lake. 2133 Comment
  HSC27329  Osmorhiza occidentalis J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5715 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA211284  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UCSB16543  Ozomelis diversifolia Breedlove, Dennis 1962-6-11 Siskiyou Canyon Creek; about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  RSA52141  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 915 Comment
  SEINET515875  Panicum capillare Vernon H. Oswald 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  CDA3568  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  HSC34268  Parnassia fimbriata J. P. Smith, J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1860 Comment
  CAS-BOT-BC175610  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC202864  Paxistima myrsinites Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  UC618753  Paxistima myrsinites W. Bridge Cooke 1938-6-17 11046 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET6646339  Paxistima myrsinites G. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  JEPS128456  Pectiantia pentandra Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -057 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC266636  Pedicularis bracteosa L. R. Short 1933-8-7 113 Siskiyou Marble Mountains, Klamath Forest 1828 Comment
  HSC65021  Pedicularis bracteosa var. flavida D. L. Goforth 1979-7-19 268 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.5 mi. S of Caribou Lake 2195 Comment
  UC922340  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-29 5897 Siskiyou near Hidden Lake (above Sky High Lake); Sky High Valley, Marble Mountains 1859 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC4830  Pedicularis racemosa J. O. Sawyer 1968-9-10 677 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS80571  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley and slopes Marble Valley; , Marble Mountain Wilderness Area 1792 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  JEPS29774  Pellaea brachyptera Lauramay T. Dempster 1961-7-2 1859 Siskiyou sw Etna (ridge w of Salmon Mt Summit) 1828 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  RSA238748  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Ridge between English Peak and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  UCSB22041  Penstemon anguineus Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS11236  Penstemon deustus var. deustus W. L. Jepson 1940-6-22 19972 Siskiyou Klamath River near Hornbrook; Klamath River near Hornbrook 670 Comment
  UC614856  Penstemon deustus var. deustus Beryl O. Schreiber 1932-7-18 446 Siskiyou road nw of Weed Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  RSA659604  Penstemon laetus subsp. sagittatus J. C. Roos 1948-9-2 3974 Siskiyou 6 miles SW of Yreka. Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  RSA165524  Penstemon laetus var. sagittatus Clare B. Hardham 1961-6-30 8120 Siskiyou Near White Mt. Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  HSC2407  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-8-5 333 Siskiyou Caribou Mtn. 2470 Comment
  POM14640  Penstemon newberryi subsp. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1829 Comment
  RSA238833  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  UC595134  Penstemon parvulus David D. Keck 1938-8-8 4876 Siskiyou between Scott Mtn. and Craggy Peak (Siskiyou Co. at Trinity Co. line); Scott Mountain Divide 1676 Comment
  NY639276  Penstemon procerus var. formosus C. G. Pringle 1881-8-19 s.n. Siskiyou 2438.4 Comment
  UC2046559  Penstemon purpusii William J. Ferlatte 1974-7-15 1537 Siskiyou Yellow Rose Mine Trail Comment
  UC335730  Penstemon roezlii J. G. Lemmon 1889-7-28 Siskiyou Mts. near Eddy Mt. (Shasta region); , Mts. near Eddy Mt. Comment
  POM42982  Penstemon roezlii Geo. D. Butler 1910-6-19 1579 Siskiyou Goosenest foothills. 1524 Comment
  RSA120824  Penstemon roezlii S. S. Tillett 1956-7-9 666 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  UCSB6201  Penstemon speciosus Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lower slopes of Mt. Shasta 1097 Comment
  CHSC86659  Perideridia Jenny Marr 1993-7-1 42 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC423355  Peritoma platycarpa L. E. Smith 1912-8-1 s.n. Siskiyou Pitt River, Montague Comment
  HSC17509  Persicaria lapathifolia C. B. Wolf 1927-8-26 990 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  JEPS75571 Image available Phacelia cookei L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2294 Siskiyou at junction of Old Military Pass Road and U. S. Highway 97 (n of Mt. Shasta); ; Military Pass Road, N of Mt. Shasta, Siskiyou Co. 1341 Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  HSC97684  Phacelia corymbosa Thomas W. Nelson, Jane Nelson 2006-7-1 9454 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC1561279  Phacelia greenei Barbara Ertter with Thomas J. Delendick 1987-5-17 6969 Siskiyou on FR 40N08 1/2 mi e Rt. 3; Scott Mt. Summit 1706 Comment
  SD113334  Phacelia hastata Darley F. Howe 1979-6-26 5115 Siskiyou Military pass road, 3 mi. SE of #97 Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  RSA582233  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  JEPS82726  Phacelia humilis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2133 Comment
  CAS-BOT-BC145047  Phacelia leonis Rimo Bacigalupi; Mr. Van Deventer; Mrs. Van Deventer; Don Liles 1959-7-10 7296 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles n.ne. of Preston Peak; watershed of Indian Creek 1493 Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  JEPS2132  Phacelia linearis Geo. D. Butler 1909-5-4 742 Siskiyou near (n of) Yreka; Klamath River Comment
  JEPS94264  Phacelia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9182 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC24435  Phacelia linearis W. C. Blasdale 1896-6-18 Siskiyou Shasta Comment
  RSA695873  Phacelia linearis D. W. Taylor 1995-6-4 14969 Siskiyou Three miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. ten miles north of Weed). 1159 Comment
  CHSC70138  Phacelia mutabilis Jennifer Whipple 1976-7-8 1350 Siskiyou Mount Eddy, Klamath Mountains. Dry slopes and meadows southwest of Dobkins Lake along the drainage into the lake. 2225 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC1057506  Phacelia pringlei Milo S. Baker 1957-6-16 13128 Siskiyou Scott Mt. 1767 Comment
  RSA120315  Phacelia pringlei S. S. Tillett 1956-7-9 647 Siskiyou South slope of Scott Mountain, Siskiyou-Trinity County line, ca. 8 miles southeast of Callahan. 1951 Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  RSA782332  Philadelphus californicus R. W. Spjut 2008-8-22 16437 Siskiyou Klamath Region. Klamath National Forest: Salmon Mountains, just west of Etna along road to Sawyer s Bar and Ruffey Creek 1063 Comment
  CAS-BOT-BC77411  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch 1036 Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  RSA186330  Phleum alpinum Gilbert Muth 1966-10-16 25 Siskiyou Marble Mountains 1793 Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC1265412  Phleum pratense F. W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow Tom's Lake region (Salmon Mountains); , , Bear Meadow 2186 Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  RSA120759  Phlox speciosa subsp. occidentalis S. S. Tillett 1956-7-9 635 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  HSC37541  Phoradendron bolleanum J. P. Smith 1974-5-27 7604 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC171214  Phoradendron serotinum subsp. tomentosum Alice Eastwood 1922-10-18 11512 Siskiyou Shasta Springs Comment
  UCR168480  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  SBBG14309  Phyllodoce breweri J. Major 1961-7-14 633 Siskiyou Panther Meadows Cmpgrd, Mount Shasta 2270 Comment
  CAS-BOT-BC56503  Phyllodoce empetriformis J. W. Congdon 1900-8-13 s.n. Siskiyou Mt. Shasta Comment
  HSC4825  Phyllodoce empetriformis J. O. Sawyer 1968-6-18 225 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC95685  Phyllodoce empetriformis Juha Pykala, D. H. Norris 1987-6-26 1949 Siskiyou Marble Mtn. Wilderness, Tickner Hole 1768 Comment
  POM77480  Phyllodoce empetriformis Geo D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek. 1829 Comment
  UC21966  Phyllodoce empetriformis W. H. Brewer 1862-9-13 1376 Siskiyou Mount Shasta, near Camp 99 Mount Shasta 2438 Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  OBI10127  Physocarpus capitatus H. E. McMinn 1931-6-27 2512 Siskiyou Shasta City Comment
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 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
  RSA384261  Picea breweriana M. B. Dunkle 9200 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UCSB26297  Picea breweriana Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  HSC101730  Pinus albicaulis Michael Kauffmann 2013-5-27 11 Siskiyou West ridgeline above Wright Lake 2222 Comment
  HSC101731  Pinus albicaulis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  HSC31987  Pinus albicaulis Steve Selva, Roger Jensen 1974-8-25 54 Siskiyou Top of slopes W of Little Duck Lake Comment
  HSC4808  Pinus albicaulis J. O. Sawyer 1968-7-9 753 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA237210  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC73311  Pinus balfouriana Edna Kelsey 1961-8-1 s.n. Siskiyou Summit of Marble Mt., Marble Mts. Comment
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  UC401403  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  UC55648  Pinus contorta subsp. murrayana Harley P. Chandler 1901-6-1 1575 Siskiyou ridges and meadows near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC1511  Pinus lambertiana R. C. Wunner 1965-8-21 464 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC29678  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou Marble Mtn. Wilderness Area, E of inlet to Upper English Lake 1829 Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC1409220  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou open woods e of inlet to Upper English Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC27949  Pinus ponderosa Carl W. Mize 1972-9-23 119 Siskiyou End of road 945 Comment
  UC375221  Piperia leptopetala Geo. D. Butler 1910-6-17 1604 Siskiyou near Yreka Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  UC1170106  Plagiobothrys hispidus W. Bridge Cooke 1956-7-16 30295 Siskiyou above Hotlum Station n side Mount Shasta; n side Mount Shasta 1524 Comment
  JEPS68106  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou Yreka Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  HSC33985  Plagiobothrys tenellus J. P. Smith 1974-5-25 7474 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  SBBG68796  Plantago A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley Comment
  SBBG30577  Platanthera dilatata var. leucostachys D. Myrick 1968-6-29 2058 Siskiyou Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC61293  Platanthera dilatata var. leucostachys Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  HSC97404  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-8-18 427 Siskiyou 1 mi. N of mine on W slope of El Capitan, Siskiyou Mtns., Preston Peak area 1524 Comment
  UC673594  Platanthera leucostachys D. Tebbe 1929-6-7 145 Siskiyou Mount Eddy Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA256703  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA123776  Poa G. Douglas Barbe 1955-8-5 362 Siskiyou Salmon Mtns., At summit of trail from Big Flat to Caribou Lake, a point NW of Caribou Mt. 2409 Comment
  RSA31172  Poa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station, Along railroad Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  CHSC22881  Poa bulbosa Robert A. Schlising 1963-6-6 2610 Siskiyou Northern part of County; SW of Hilt, along Beaver Creek Road, near crossing of Beaver Creek. Comment
  UC450468  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou RR Station Montague Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  JEPS109562  Poa cusickii subsp. purpurascens Dean W. Taylor 2002-7-21 18274 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  NY431263  Poa howellii var. chandleri H. P. Chandler 06 1901 1703 Siskiyou North Coast Ranges: ridges and meadows near Marble Mountain 1524.0 Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UCD91932  Poa pratensis Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 Siskiyou Rocky hill, north of the rock fence, about 200 yards east 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
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  JEPS81692  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  HSC39849  Poa rhizomata J. P. Smith 1973-5-5 6518 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC102658  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12616 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243224  Poa secunda subsp. secunda C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CHSC86619  Poa secunda subsp. secunda Jenny Marr 1993-7-1 2 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC27478  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-28 5383 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC702  Poa secunda subsp. secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD91757  Poa secunda subsp. secunda A. H. Murphy 1959-7-22 59 Q Siskiyou Shasta National Forest. Porcupine Lake. 2286 Comment
  UCD91743  Poa wheeleri R. Tofsrud 1948-8-1 s.n. Siskiyou Pather Meadow, Mt. Shasta. 2438 Comment
  UCD91758  Poa wheeleri Leo Whitney 1935-7-15 3473 Siskiyou near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  UC648289  Polemonium californicum John Thomas Howell 1939-8-9 15220 Siskiyou ridge s Marble Valley (Marble Mts.); , s of Marble Valley Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC230031  Polemonium carneum F. M. A. 1894-7-1 s.n. Siskiyou Siskiyou Mountains near Siskiyou 1524 Comment
  NY337051  Polemonium carneum E. L. Greene Siskiyou Yorka Comment
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Oct 30 2020
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  HSC45817  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CAS-BOT-BC231306  Polemonium pulcherrimum F. D. Douthitt 1923-7-12 11 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 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
  HSC27665  Polygala californica Carl W. Mize 1972-6-8 1 Siskiyou Along the main trail 328 Comment
  HSC35801  Polygala cornuta J. O. Sawyer 1969-9-18 2389 Siskiyou Midslope above CCC Rd. 1494 Comment
  SEINET11263756  Polygala cornuta George Neville Jones 1967-6-29 45675 Siskiyou Near Dunsmuir, lower slopes of Mt. Shasta.; 0 914 Comment
  CAS-BOT-BC170326  Polygala cornuta var. cornuta Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC170333  Polygala cornuta var. cornuta W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton, near Black Butte Comment
  UC850005  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC414276  Polygonum aviculare subsp. depressum R. E. Frenkel 1963-7-15 246 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing, near Mount Shasta 1176 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  SEINET10624421  Polygonum convolvulus Smith Smith s.n. 1915 Siskiyou Sisson Comment
  JEPS69757  Polygonum douglasii W. B. and V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Rd. above Andesite crossing; Mt. Shasta 1524 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  RSA113746  Polygonum douglasii A. H. Murphy 1956-8-14 s.n. Siskiyou Little Mill Creek Meadows. 2012 Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  RSA466401  Polygonum kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  POM211468  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mts: Dead Cow Creek. 1829 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  UC1191237  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-18 13624 Siskiyou Grass Lake Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  POM312532  Polygonum sawatchense subsp. oblivium H. L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  UC196946  Polypogon monspeliensis Geo. D. Butler 1908-6-27 471 Siskiyou near Yreka (along creek); near Yreka Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  CAS-BOT-BC76736  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback, Siskiyou-Del Norte county line. 1798 Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  CAS-BOT-BC76730  Polystichum imbricans subsp. imbricans J. H. Thomas; H. A. Thomas 1954-7-27 4557 Siskiyou Salmon - Trinity Mts. - about 6 miles SE of Cecilville, along south Fork of Salmon River. 914 Comment
  UC42137  Polystichum kruckebergii unknown 1878-6-16 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72381  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CHSC63313  Polystichum lemmonii Vernon H. Oswald; Lowell Ahart 1994-7-11 6404 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd, 26 ( to Mt. Shasta), W of Dunsmuir. 1777 Comment
  UC371159  Polystichum lemmonii G. D. Butler 1908-8-8 241 Siskiyou Wooly Creek 1676 Comment
  HSC79183  Polystichum lemmonii C. J. Thomas 1983-10-1 82 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  HSC1147  Polystichum lonchitis Dorothy Parker 1949-7-10 336 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  JEPS100527  Polystichum lonchitis Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15859 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  LA204823  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-9 732 Siskiyou Klamath Mts., Castle Lake, bluff at the S end of the lake 2133 Comment
  SEINET10929408  Polystichum munitum Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7017 Siskiyou Matthew's Creek Campground on S fork of Salmon River. 549 Comment
  HSC27976  Polystichum munitum Carl W. Mize 1972-9-23 116 Siskiyou 0.5 mi. from end of rd 945 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  HSC75254  Polystichum scopulinum J. O. Sawyer, M. Mesler 1980-8-12 4046 Siskiyou Lower W peak of Box Camp Mtn. Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  CAS-BOT-BC453682  Potamogeton gramineus Calvin McMillan; Malcom A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Comment
  CDA16694  Potamogeton pectinatus G. F. Hrusa, M. Hooper 2001-7-1 15871 Siskiyou Klamath R.,ca. 1.5 mi. E of Ft. Goff Campground at Sluice Box river access. 350 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
  JEPS84266  Potentilla drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6372 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CHSC110957  Potentilla glandulosa subsp. pseudorupestris B. Castro; L. P. Janeway 2007-7-29 1666 Siskiyou Modoc Plateau. South of Callahan Flow but N of Medicine Lake Glass Flow, along 49 Rd (USFS Road 44N75) in vicinity of Fourmile Hill. Exact location not determined. 1981 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
  JEPS80606  Potentilla gracilis var. fastigiata Gilbert Muth 1966-7-31 470 Siskiyou north side of Black Mountain Marble Mt. Wilderness Area, n side of Black Mountain 1981 Comment
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  JEPS93880  Potentilla millefolia Vernon H. Oswald and Lowell Ahart 1998-7-21 9342 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  CHSC1402  Primula suffrutescens V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  HSC30411  Prosartes hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou Marble Mtn. Wilderness Area, above Wiregrass Meadow near English Lake 1707 Comment
  HSC69056  Prunella vulgaris Maralyn A. Renner 1980-8-6 2314 Siskiyou Cracker Meadow 1555 Comment
  RSA120730  Prunella vulgaris subsp. lanceolata S. S. Tillett 1956-7-9 678 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158220  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC158221  Prunus emarginata C. H. M. 1919-9-24 s.n. Siskiyou Ager 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
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  UC527335  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mi n of Entrance to Shasta Springs 914 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  CAS-BOT-BC151226  Prunus virginiana var. demissa G. J. Muth 1969-8-12 1376 Siskiyou Second Valley 2225 Comment
  RSA3386  Prunus virginiana var. demissa Carl B. Wolf 1931-9-2 2389 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). Comment
  UC375375  Prunus virginiana var. demissa Geo. D. Butler Jul 14 1908-May 16 1909 1047 Siskiyou near Yreka Comment
  CAS-BOT-BC357405  Pseudognaphalium microcephalum Alice Eastwood 1921-7-26 10868 Siskiyou Soda Creek Comment
  UC618634  Pseudognaphalium thermale unknown 1938-8-5 11452 Siskiyou near MacBride Spring; Mount Shasta 1524 Comment
  CAS-BOT-BC239822  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  UC1185303  Pseudostellaria jamesiana H. E. Brown June 1-10, 1897 330 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  LA6344  Pseudotsuga menziesii var. menziesii W. B. C.; 1939-7-26 13788 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC1409221  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou on ridge above Hell Hole near Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC60994  Pseudotsuga menziesii var. menziesii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC72681  Pteridium aquilinum Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  HSC19589  Purshia tridentata var. tridentata D. M. Thomson 1965-6-11 76 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  RSA0082806  Pyrola aphylla R. F. Thorne 1969-8-2 63333 Siskiyou Trail to upper English Lake along Salmon River. Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC32711  Pyrola picta W. C. Blasdale 1894-7-1 Siskiyou Mount Shasta Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  UC595075  Pyrrocoma racemosa var. pinetorum David D. Keck 1938-8-8 4862 Siskiyou 3 mi se Scott Mt. Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1340 Comment
  CAS-BOT-BC94652  Quercus garryana Roxana S. Ferris; Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC36757  Quercus garryana J. P. Smith 1974-5-25 7396 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  SD76160  Quercus garryana Helen V. Witham 1969-10-7 575 Siskiyou Scott River Valley, 10 miles west of Ft. Jones. 700 Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka 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
  SEINET5644358  Quercus kelloggii Alv Dan Youngberg 1964-7-18 91 Siskiyou Elevation 2100 feet. Growing at West Branch Guard Station. Humbolt Meridian.; 0 640 Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  HSC19221  Quercus sadleriana J. O. Sawyer 1968-9-13 706 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA152195  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  UCSB3289  Quercus sadleriana Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  SEINET12034999  Quercus sadleriana M. Ownbey, Meyer, F. G. 1940-1 2230 Siskiyou near summit of Siskiyou Mts, 20 mi N of Happy Camp Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC104641  Quercus vacciniifolia B. Crampton 1956-8-21 3847 Siskiyou canyon of the Sacramento River just above junction of the North Fork with south and Middle Forks Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC375250  Quercus vacciniifolia Geo. D. Butler 1908-8-5 230 Siskiyou West Fork of Woolly Creek Comment
  UC848338  Quercus vacciniifolia unknown 1941-9-16 16320 Siskiyou along the Castle Lake Road Comment
  UCD47422  Quercus vacciniifolia A. T. Leiser 1968-8-3 s.n. Siskiyou Castle Lake campground, Siskiyou Co. Comment
  UCD47447  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  JEPS87838  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou on upstream side of Forest Road 26 (to Mt. Shasta) ca. 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  UC1658345  Raillardella pringlei J. Kierstead 1990-7-18 90 -102 Siskiyou Gumboot Creek Shasta-Trinity National Forests, Mt. Eddy, Mt. Shasta Ranger (s side of mt., 100 yd s of Forest Service Rd 40N26) 1676 Comment
  HSC36880  Ranunculus alismifolius var. hartwegii J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  POM98895  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1909-1 545 Siskiyou [No locality information on label.] Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  RSA7844  Rhamnus californica Doris K. Kildale 1928-7-25 5916 Siskiyou Klamath River Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  HSC68218  Rhamnus ilicifolia J. P. Smith, Steve Selva 1970-6-14 3865 Siskiyou Comment
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Feb 1 2013
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  CAS-BOT-BC438001  Ribes Alice Eastwood 1912-7-19 1226 Siskiyou Mount Shasta Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  UCSB24057  Ribes aureum Favero, R. 1968-3-26 Siskiyou 12 miles east of Montague; in Little Shasta area; Cascade Mountains 792 Comment
  CAS-BOT-BC92543  Ribes binominatum L. E. Smith 1913-4-10 68 Siskiyou Yreka. Comment
  HSC100865  Ribes binominatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13061 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC23460  Ribes binominatum J. O. Sawyer 1968-7-23 614 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA459476  Ribes binominatum M. B. Dunkle 1944-7-18 9150 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  CAS-BOT-BC92533  Ribes binominatum W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC108770  Ribes cereum Alice Eastwood 1912-8-28 1937 Siskiyou Sisson. Comment
  CAS-BOT-BC108771  Ribes cereum Alice Eastwood 1921-7-25 10821 Siskiyou Bigelows on McCloud River. Comment
  SEINET515845  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC1034039  Ribes cereum W. Bridge Cooke 1941-8-21 16218 Siskiyou w side Shastina (n side of Diller Canyon); Mt. Shasta Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC108784  Ribes cereum M. S. Baker 1957-6-1 13101 Siskiyou Trip to Scott Mountain. Comment
  NY185916  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  RSA0021106  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  JEPS49364  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou near Cold Spring Camp; Wooly Creek 1676 Comment
  UC375354  Ribes lobbii Geo. D. Butler 1908-7-19 267 Siskiyou Humbug Creek Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  JEPS49353  Ribes marshallii W. L. Jepson 1907-7-4 2819 Siskiyou Shackelford Canyon Marble Mt. region Comment
  UC11610  Ribes marshallii Harley P. Chandler June 1901 1549 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC217880  Ribes nevadense W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC219265  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  UC921814 Image available Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UCD102463  Ribes roezlii Jack Major 1961-7-14 634 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  JEPS49235  Ribes roezlii var. cruentum W. L. Jepson 1937-7-30 18544 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains 1584 Comment
  RSA0024595  Ribes roezlii var. cruentum Louis C. Wheeler 1935-5-12 3491 Siskiyou Greenhorn Creek, Siskiyou Mts. 915 Comment
  RSA0024599  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Creek. Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144514  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-24 8608 Siskiyou Southeast spur Preston Peak 1950 Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  CAS-BOT-BC144521  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  SFV18060  Ribes velutinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 km north of Lava Beds National Monument near Tule Lake Sump. 1220 Comment
  UC857970  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou base of lava flow 8 mi n Weed (along U.S. Highway 97) Comment
  HSC22201  Ribes viscosissimum J. O. Sawyer 1968-7-22 533 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA0020918  Ribes viscosissimum M. B. Dunkle 1944-7-18 9131 Siskiyou Siskiyou National Forest. 1890 Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  SBBG25913  Rorippa curvisiliqua D. Myrick 1966-8-9 1477 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  POM95687  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Yreka Creek. Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  POM88100  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka. Comment
  UC467675  Rosa californica Annie M. Alexander and Louise Kellogg 1911-6-13 128 Siskiyou 6 mi nw Callahan Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  UCD35439  Rosa gymnocarpa Beecher Crampton 1956-8-21 3845 Siskiyou Above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  RSA96938  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-11 20267 Siskiyou Castle Lake Forest Service Camp. SW of town of Mt. Shasta. 1555 Comment
  SBBG3080  Rosa pinetorum H. and M. Dearing 1939-6-30 3764 Siskiyou Callahan-Trinity Alps Rd 1524 Comment
  CAS-BOT-BC147058  Rosa pisocarpa Alice Eastwood 1912-7-17 1147 Siskiyou Sisson Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  UC1409338  Rosa pisocarpa subsp. ahartii Frederick W. Oettinger 1969-8-16 1408 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC148193  Rosa rubiginosa Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 mi. above Happy Camp 182 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  CAS-BOT-BC157786  Rubus Alice Eastwood 1923-5-29 11999 Siskiyou Cantara Comment
  HSC36758  Rubus laciniatus Brent Whitely 1975-7-11 156 Siskiyou 229 Comment
  CAS-BOT-BC147988  Rubus leucodermis Alice Eastwood 1921-7-30 11002 Siskiyou Soda Creek Comment
  UC1409363  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou nnw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC59616  Rubus parviflorus J. P. Smith, Steve Selva 1970-6-16 4048 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC69286  Rubus parviflorus Maralyn A. Renner 1980-7-24 1951 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS80568  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Pothole in Marble Marble Mt. Wilderness Area, Pothole in Marble 1792 Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  JEPS39883  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  CDA23189  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  JEPS38484  Salix W. L. Jepson 1907-7-22 2952 Siskiyou Burhart's Ranch Hamburg; Klamath River, , Burhart's Ranch Comment
  CAS-BOT-BC103540  Salix commutata L. R. Short 1933-8-6 116 Siskiyou Klamath National Forest, Bear Lake, Marble Mts. 2072 Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  RSA0034683  Salix lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  UC481743  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 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-BC125456  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375225  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou along creek near Yreka (Butler's Ranch, just below junction of Hamburg Gulch) Comment
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC481736  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  RSA186319  Salix scouleriana Gilbert Muth 1966-10-16 1 Siskiyou Marble Mountains 1793 Comment
  SJSU180  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy c.13 km NW of Shasta city 1112 Comment
  UC482265  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 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
  HSC92120  Salix sitchensis Jennifer Whipple 1978-10-6 2418 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC198727  Salix sitchensis Annie M. Alexander and L. Kellogg 1911-6-23 180 Siskiyou Jackson Lake 1798 Comment
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  CDA42179  Sambucus racemosa T. C. Fuller 1974-9-24 20025 Siskiyou Reeves Ranch Springs, ca. 2 miles south of Scraggy Mountain, Siskiyou Mountains. 0 Comment
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  CAS-BOT-BC236481  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-8-19 6500 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  UC642521  Sanicula tuberosa W. Bridge Cooke 1939-6-23 13524 Siskiyou between Bear Springs and Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  UCD20772  Santolina chamaecyparissus Steve Orloff 2002-6-25 s.n. Siskiyou Siskiyou County. City of Granada, south of Yreka. Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  JEPS93948  Sarcobatus vermiculatus Vernon H. Oswald and Lowell Ahart 1998-9-16 9632 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UCD118035  Sarcodes sanguinea D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness Area. 1554 Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  RSA184816  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  RSA211115  Saxifragopsis fragarioides William J. Ferlatte 1967-8-6 816 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  UC1265458  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-7 1271 Siskiyou sandy beach English Lake (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); , Salmon Mountains, Marble Mountain Wilderness A 1752 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  HSC71109  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4501 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  HSC68108  Scleranthus annuus J. P. Smith 1973-5-5 6459 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC164007  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goosenest Foothills 1219 Comment
  RSA14093  Scutellaria antirrhinoides Elmer I. Applegate 1907-09 3306 Siskiyou Thrall, near Klamath River, Shasta Valley. Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  HSC69136  Sedum laxum Maralyn A. Renner 1980-8-8 2482 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS98769  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-18 15702 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC19544  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-13 1109 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  UC1191515  Sedum stenopetalum Herbert L. Mason 1948-7-18 13627 Siskiyou Grass Lake Comment
  RSA237815  Selaginella densa var. scopulorum Frederick W. Oettinger, J. L. Morrison 1967-8-17 282 Siskiyou NE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC34089  Selaginella scopulorum J. O. Sawyer 1969-7-9 1256 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  CAS-BOT-BC363933  Senecio integerrimus var. exaltatus Carl B. Wolf 1934-7-5 5964 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  HSC508  Senecio integerrimus var. major William J. Ferlatte 1967-6-27 539 Siskiyou Big Flat, near public camp 1524 Comment
  CHSC86683  Senecio integerrimus var. ochroleucus Jenny Marr 1993-7-1 66 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC78188  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  UC163919  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC364429  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  HSC83925  Sibbaldia procumbens K. Berg, Stephanie Bennett 1986-8-25 642 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 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
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  UC1013004  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19640 Siskiyou on road to Orleans about 30 mi sw Happy Camp; sw of Happy Camp on rd to Orleans Comment
  HSC59012  Sidalcea oregana Marvin Butler 1971-7-21 189 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC205785  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del NOrte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  UC454910  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  HSC68107  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6495 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS50912  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Higland Mine Highland Mine Comment
  RSA714935  Silene douglasii M. E. Fishbein, Lane Greer 2006-8-3 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 miles SE of Medicine Lake. 1990 Comment
  UC166126  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Highland Mine Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  HSC61456  Silene grayi Ruby Van Deventer 1938-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA438858  Silene grayi M. B. Dunkle 1945-1 9313 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC389434  Silene lemmonii H. A. Thomas; J. H. Thomas 1954-7-21 4426 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  UC465651  Silene menziesii Annie M. Alexander and Louise Kellogg 1911-6-13 141 Siskiyou 6 mi nw Callahan; nw Callahan Comment
  SEINET10574541 Image available Silene menziesii var. viscosa Edward L. Greene 1876-6-29 Greene 900 Siskiyou Collected near Yreka. Comment
  HSC43025  Silene vulgaris J. O. Sawyer, Ken Stillman 1976-7-1 2792 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC1409480  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou meadow below English Lake (in vicinity of English Peak,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC78187  Sisyrinchium idahoense var. idahoense L. P. Janeway 1983-8-6 508 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of 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
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  JEPS83867  Solanum umbelliferum Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (s side of pass); Siskiyou Mountains 1463 Comment
  POM208273  Solanum umbelliferum Louis C. Wheeler 1934-7-3 2853 Siskiyou Head of Soda Creek. Sterling Mt. 1768 Comment
  CAS-BOT-BC365563  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC365567  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  UC60957  Solidago elongata Geo. B. Grant Sept 1902 5191 Siskiyou Dunsmuir Dunsmuir (North California) 609 Comment
  SEINET5709930  Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7698 Siskiyou Scott Mts. Collected along Road 17, 8.8 miles SW from the intersection of I-5 and Stewart Springs Road.; Scott Mountains 1586 Comment
  RSA14494  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south end of Lower Klamath marsh. Comment
  CAS-BOT-BC365245  Solidago velutina subsp. californica Grant 1902-9-14 5205 Siskiyou Dunsmuir Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC642589  Sorbus californica W. B. Cooke 1939-6-30 13576 Siskiyou along Sisson Southern Trail; Mount Shasta 1981 Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  CAS-BOT-BC390719  Spergularia rubra Doris K. Kildale 1928-7-25 5882 Siskiyou Klamath River - Macks Creek near Hamburg 457 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  CHSC71602  Spiraea densiflora Vernon H. Oswald; Lowell Ahart 1998-8-3 9440 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  JEPS44996  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek 1828 Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  HSC73  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC64782  Spiraea splendens var. splendens J. P. Smith, Steve Selva 1970-7-17 4447 Siskiyou Below Kangaroo Lake. 1890 Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  RSA237302  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-6-28 138 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  HSC58881  Stachys rigida var. rigida Marvin Butler 1971-7-21 194 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  CAS-BOT-BC391222  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  HSC58  Stellaria longipes subsp. longipes William J. Ferlatte 1966-6-23 140 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  CDA3540  Stellaria nitens G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-29 2606 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS36850  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta, half-way up Region of the Upper Sacramento Comment
  UC1408920  Stephanomeria lactucina Frederick W. Oettinger 1968-8-7 473 Siskiyou e side Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  HSC6228  Stephanomeria tenuifolia R. C. Wunner 1965-8-27 485 Siskiyou California Lava Beds National Monument; Devil's Homestead where the road passes through lava flow 1280 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  HSC92557  Stipa occidentalis var. occidentalis Jennifer Whipple 1977-7-20 2004 Siskiyou Mt. Eddy, N slopes 2317 Comment
  CAS-BOT-BC61128  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara. Comment
  HSC81569  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6072 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC87844  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1937-6-26 5088 Siskiyou Salmon Mountains above Taylor Creek. Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  UC10860  Streptanthus tortuosus W. H. Brewer 1862-9-16 1418 Siskiyou Mount Shasta 2438 Comment
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May 1 2011
  UCSB13059  Streptanthus tortuosus 1962-6-11 Siskiyou Base of Black Butte along U.S. Highway 99, 4 miles south of Weed 1188 Comment
  CAS-BOT-BC87879  Streptanthus tortuosus William A. Dayton 1913-7-20 394 Siskiyou Shasta Forest. Crest of Trinity Mountain Ridge. 1524 Comment
  UCD166859  Streptanthus tortuosus var. oblongus Robert E. Preston 2016-7-7 3059 Siskiyou 4.1 mi W of Forks of Salmon, along Salmon River Rd, opposite Bloomer Mine. 345 Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  CHSC63603  Symphoricarpos albus var. laevigatus Vernon H. Oswald; Lowell Ahart 1994-8-10 6460 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. 1359 Comment
  RSA238534  Symphoricarpos hesperius Frederick W. Oettinger 1968-8-6 542 Siskiyou East side of Little Medicine Mt. due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC18990  Symphoricarpos mollis J. O. Sawyer 1969-7-24 1460 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  UC164440  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC245773  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  CAS-BOT-BC99365  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou Scott-Salmon Trail, Salmon Mts. Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  UC1408921  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou s of Upper English Lake (high lake basins in the vicinity of English Peak, Marble Wilderness Area, w Siskiyou County); Salmon Mountians 1798 Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  SD88328  Taraxia tanacetifolia Darley F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  RSA183475  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake s Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer s Bar, Salmon Mountains 1524 Comment
  UC667974  Taxus brevifolia Joseph P. Tracy 1935-8-1 14418 Siskiyou 1 mi e Salmon Summit Mine (cirque at head of Knownothing Creek); Knownothing Creek 1767 Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  HSC640  Tellima grandiflora William J. Ferlatte 1967-6-30 599 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 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
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  CAS-BOT-BC332878  Tetradymia canescens Elmer I. Applegate 1935-8-3 10021 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  JEPS80483  Tetradymia canescens W. B. and V. G. Cooke 1967-8-9 38668 Siskiyou turnout above Whitney Creek (along U.S. Hwy 97, n side of Mt. Shasta); Mt. Shasta 1237 Comment
  HSC77081  Thalictrum fendleri K. T. Stillman 1976-6-17 7 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  UC221543  Thelypodium brachycarpum H. E. Brown Jun 15 1897-Jun 30 1897 469 Siskiyou n side Mt. Shasta 1524 Comment
  POM143233  Thelypodium brachycarpum Geo. D. Butler 1910-8-21 1850 Siskiyou Shasta Valley Comment
  UC1222603  Thermopsis macrophylla var. macrophylla Joseph P. Tracy 1950-7-20 19213 Siskiyou on road to Prospect Hill 5 mi se Flint Valley Comment
  RSA604464  Thermopsis robusta L. C. Wheeler 1959-7-25 7591 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  UC165977  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  UC165978  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-5 129 Siskiyou summit above Cold Spring (Woolly Creek); summit above Cold Spring, Woolly Creek Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  UC137319  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  JEPS83830  Tofieldia occidentalis subsp. occidentalis Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake Siskiyou Mts., vicinity Cook and Green Pass Comment
  OBI81674  Torilis arvensis Tracey Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river 1/4 mile east of mouth of Beaver Creek Comment
  HSC30688  Torreyochloa erecta Frederick W. Oettinger 1969-9-1 1582 Siskiyou Marble Mtns. Wilderness Area, between Bear Meadow and English Peak. 2027 Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  CHSC91246  Tragopogon dubius Lowell Ahart; John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  POM312879  Trifolium cyathiferum H. L. Mason 1948-7-17 13604 Siskiyou Eastern Grass Lake, in forested hills Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UCD109135  Trifolium howellii J. M. Tucker; D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  UC163982  Trifolium kingii var. productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mtn 1828 Comment
  SBBG3845  Trifolium longipes subsp. oreganum H. and M. Dearing 1939-6-5 3556 Siskiyou E of McCloud 1066 Comment
  HSC92942  Trifolium longipes subsp. shastense Jennifer Whipple 1977-7-20 1993 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  POM222616  Trifolium repens H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  UC147168  Trifolium variegatum Dr. E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  JEPS47266  Trillium albidum Edward Lee Greene 1876-4-24 Siskiyou near Yreka Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC76926  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-28 2101 Siskiyou Tributary to Moosehead Creek, W of Rd. 39N96 1509 Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  HSC48279  Trisetum canescens Ken Stillman, J. O. Sawyer 1978-7-6 1036 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UCD78067  Trisetum canescens Robert E. Preston 2001-8-26 1756 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  HSC26991  Trisetum spicatum J. P. Smith, J. O. Sawyer 1971-9-16 4769 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC30532  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou Marble Mtn. Wilderness Area, SSW of Little Hancook Lake 2134 Comment
  HSC41816  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  JEPS84003  Trisetum spicatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6430 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET10960259  Trisetum spicatum A. Arthur Heller 1914-8-28 Heller 11735 Siskiyou Found sparingly on the east side of Mt. Eddy, in granite. Near pine trees. It grows in scattered tufts. 2438 Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  UC535957  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  JEPS104867  Triteleia crocea var. crocea Dean W. Taylor 1996-5-29 15639 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  JEPS96987  Triteleia crocea var. crocea Dean W. Taylor 1999-7-18 17273 Siskiyou Wiegel Mile, headwaters of Nickelwaite Creek (ca. 6 air miles southwest from Hilt) 1463 Comment
  HSC539  Triteleia hyacinthina William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UC1026905  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou along Castle Lake Road 1219 Comment
  UC1177938  Triteleia ixioides subsp. anilina Francia Chisaki and Gene B. Newcomb 1958-6-21 1151 Siskiyou on road to ice caves n McCloud; Squaw Valley Creek 1158 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  CAS-BOT-BC524319  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou Openings in the forest, Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  LA22001  Triteleia ixioides subsp. anilina W. B. C. after 1939 material so determined by Robert Hoover; 1938-7-15 11238 Siskiyou Mount Shasta, Wagon Camp meadow 1737 Comment
  HSC29677  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou Marble Mtn. Wilderness Area, E of inlet To Upper English Lake, Bulk Collection 53 1829 Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  UC1281488  Vaccinium H. E. McMinn 1931-6-27 2534 Siskiyou summit above Weitchpec Comment
  CAS-BOT-BC228835  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1934 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC68386  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1202 Siskiyou N edge of Flint Valley 1390 Comment
  POM77558  Vaccinium cespitosum Geo D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake. 1677 Comment
  HSC67665  Vaccinium membranaceum John Palmer 1980-7-24 583 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC67630  Vaccinium parvifolium J. P. Smith, Steve Selva 1970-7-15 4352 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC19244  Vaccinium scoparium J. O. Sawyer 1969-8-1 1654 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC70299  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1898-8-1 478 Siskiyou Medicine Lake Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA183712  Veratrum californicum Gilbert Muth 1965-8-3 151 Siskiyou Marble Valley, Marble Mts. Comment
  HSC19102  Veratrum californicum var. californicum J. O. Sawyer 1969-8-2 1718 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC164388  Veratrum insolitum Geo. D. Butler 1908-8-9 535 Siskiyou Marble Valley Comment
  RSA237913  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Bear Meadow near Tom Tyler [Taylor] Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC527063  Veratrum viride var. eschscholzianum John Thomas Howell 1939-8-3 15018 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA74738  Verbascum blattaria Albert M. Vollmer, L. Beane 1951-6-2 48 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CDA40712  Verbena bracteata R. S. Richards & F. D. Horn 1979-8-29 s.n. Siskiyou Lake Shastina Properties, Weed. 0 Comment
  HSC19340  Veronica americana J. O. Sawyer 1969-7-11 859 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC72493  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4070 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA426465  Veronica americana Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CAS-BOT-BC238135  Veronica copelandii Helen K. Sharsmith 1960-8-27 4840 Siskiyou Scott Mountains. Near ridgetop between Marshy and Mosquito lakes, northeast-facing. Salmon-Trinity Alps Wilderness Area, Shasta National Forest Comment
  RSA715953  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 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 Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  POM297987  Veronica peregrina subsp. xalapensis A. A. Heller 1919-6-20 13255 Siskiyou Metcalf's ranch, northeast base of Mt Eddy. 1159 Comment
  RSA48210  Veronica serpyllifolia var. humifusa Roxana S. Ferris, Laura Lorraine 1948-6-12 11742 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC164335  Veronica triphyllos Geo. D. Butler 1909-3-8 555 Siskiyou hills near Yreka Comment
  UC618896  Veronica wormskjoldii W. Bridge Cooke 1938-9-8 11634 Siskiyou South Gate Springs; Mount Shasta, South Gate Springs 2499 Comment
  UC917285  Veronica wormskjoldii R. Tofsrud and J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, s slope of Mount Shasta Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  UC164015  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1219 Comment
  UC585092  Vicia americana var. americana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 Siskiyou 2 mi s Yreka Comment
  UC1733688  Viola Frank Gould, Kay H. Beach 1940-5-16 1251 Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  JEPS74493  Viola adunca W. J. Ferlatte 1966-6-22 98 Siskiyou along South Fork of Salmon River (between the campground and Carter's); Trinity Alps, Salmon River 1524 Comment
  RSA184647  Viola adunca Clare B. Hardham 1965-8-20 13045 Siskiyou One mile Lake. Marble Mtns. 1524 Comment
  UC140877  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson; Pacific Coast Comment
  HSC35805  Viola adunca var. adunca J. O. Sawyer 1969-7-7 1069 Siskiyou Above Little Duck Lake 2049 Comment
  UC1762378  Viola bakeri Freed Hoffman 1948-7-13 2631 Siskiyou 8 mi S of Tennant Comment
  POM211387  Viola douglasii Louis C. Wheeler 1935-3-18 3380 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945