Search Results — 2000 specimen records retrieved (1381 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4975  Abies X shastensis J. O. Sawyer 1968-6-18 175 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC92677  Abies X shastensis Jennifer Whipple 1978-10-6 2415 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  CAS-BOT-BC73507  Abies concolor L. B. Kildale 1929-7-20 8708 Siskiyou Raspberry Lake, upper Indian Creek. Comment
  HSC69559  Abies concolor Maralyn A. Renner 1980-8-6 2290 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  RSA237339  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Slopes NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1409511  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou on steep slope ne of English Lake outlet (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  RSA572075  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  UC333504  Abies magnifica var. shastensis unknown 1891-11-12 Siskiyou near Mt. Shasta Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  UC1043450  Acer circinatum P. C. Everett and E. K. Balls 1954-10-11 20270 Siskiyou on road to Castle Lake 3 mi sw from town Mt. Shasta; S Fork Sacramento River, on road to Castle Lake 883 Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 Comment
  UC618775  Acer glabrum var. glabrum W. Bridge Cooke 1938-6-17 11003 Siskiyou Sisson Southern Trail , Mount Shasta (a grove surrounds the spring near the trail) Comment
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  HSC36755  Achillea millefolium J. P. Smith 1974-5-25 7395 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS37100  Achillea millefolium W. L. Jepson 1940-7-3 20095 Siskiyou Bartle 1188 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  UCSB22168  Achlys triphylla Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA603013  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-6-9 3559 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county 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
  JEPS72939  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-28 20054 a Siskiyou McCLoud 975 Comment
  UC618872  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1133185  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-6-21 5827 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  RSA183668  Aconitum columbianum var. columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Valley, Marble Mts. Comment
  RSA32897  Aconitum columbianum var. columbianum A. A. Heller 1927-8-1 14433 Siskiyou Sisson. Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  CAS-BOT-BC418820  Aconogonon phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mts. 1859 Comment
  CAS-BOT-BC418810  Aconogonon phytolaccifolium H. R. Saxton 1922-7-15 5 Siskiyou Klamath National Forest. Head of Cow Creek 1828 Comment
  UCD77303  Actaea rubra Robert E. Preston 2001-7-20 1692 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1743 Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC69000  Adiantum aleuticum Gordon H. True; John Thomas Howell 1972-6-8 48860 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  UC1593365  Adiantum capillus-veneris Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2543 Siskiyou Fossil Cave; Lava Beds National Monument 1280 Comment
Read comments
May 30 2013
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 Comment
  CDA1647  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou RR siding, Montague. 0 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  JEPS84077  Agastache urticifolia L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6317 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road Comment
  SD88459  Agastache urticifolia Darley F. Howe 1972-7-5 Siskiyou 1.4 miles south of Oregon state lines on road to Happy Camp 1646 Comment
  CDA296  Ageratina occidentalis S. Davis, F. D. Horn 1979-8-24 Siskiyou Hotlum Road above railroad tracks, northeast of Weed. 0 Comment
  RSA50159  Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp, road from Etna to Sawyer's Bar. 817 Comment
  RSA211195  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou Wooded slope on the north side of Caribou Mtn. 1921 Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  CAS-BOT-BC22772  Agoseris heterophylla Alice Eastwood 1912-7-15 1124 Siskiyou McCloud Comment
  CAS-BOT-BC13469  Agoseris retrorsa Alice Eastwood 1923-5-18 11834 Siskiyou Shasta Springs Comment
  HSC45161  Agoseris retrorsa J. O. Sawyer, E. Cope 1977-6-19 2945 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  CDA15520  Agrostis capillaris G. F. Hrusa 1998-7-5 14688 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  CAS-BOT-BC126994  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, old Aromas Mine road. 609 Comment
  RSA126054  Agrostis exarata I. L. Wiggins 1955-7-22 13453 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD37085  Agrostis exarata Beecher Crampton 1956-8-21 3828 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  UCD52547  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou 1/2 mile northeast of Gumboot Lake, headwaters of the south fork of the Sacramento River. 1767 Comment
  HSC30452  Agrostis gigantea Frederick W. Oettinger 1968-9-8 790 Siskiyou Marble Mountains Wilderness area, S. of English Lake. 1646 Comment
  RSA238363  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1285 Siskiyou SE of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  UC1265311  Agrostis pallens F. W. Oettinger 1968-9-1 637 Siskiyou rock-crevices on se side of lake Salmon Mountains, Abbott's Lake 1722 Comment
  UCD53212  Agrostis pallens R. Tofsrud 1951-7-18 s.n. Siskiyou Marble Mts. 1981 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  SEINET7594121 Image available Agrostis pallens F. W. Oettinger 1968-1 681 Siskiyou west of Horse Range Lake, Salmon Mountains 1905 Comment
  RSA238341  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1523 Siskiyou Near inlet to Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1108542  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UCD37093  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UC57363  Allium acuminatum H. M. Hall and E. B. Babcock June, 1903 4086 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  CAS-BOT-BC462371  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA47814  Allium amplectens Roxana S. Ferris, Laura Lorraine 11720 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  UCSB18160  Allium bolanderi 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC462992  Allium bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou Near Oro Fino Comment
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  JEPS47600  Allium falcifolium W. L. Jepson 1902-7-17 2069 Siskiyou Devil's Backbone, on boundary between Humboldt and Trinity County Devil's Backbone 1828 Comment
  SBBG19828  Allium falcifolium E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  HSC24703  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Behind Horseshoe Lake 1921 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC22207  Allotropa virgata J. O. Sawyer 1969-6-11 813 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC171392  Alnus incana subsp. tenuifolia Alice Eastwood 1912-7-17 1172 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
  CAS-BOT-BC171411  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  UC1408784  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou near Base Camp (along trail bet. Diamond and Hancock Lakes, high lake basins in vicinity of English Peak, w Siskiyou Co.); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  UCD110047  Alnus viridis subsp. sinuata Jack Major 1961-7-14 649 Siskiyou South wall of Mud Creek, Mount Shasta. 2316 Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  CAS-BOT-BC18593  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley. Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  JEPS100295  Ambrosia artemisiifolia Dean W. Taylor 2001-8-27 17903 Siskiyou Mt. Shasta; in Weed, along shoulder of old highway to Yreka on far western end of town 1036 Comment
  HSC69210  Amelanchier alnifolia Maralyn A. Renner 1980-7-24 2081 Siskiyou Lily Pad Lake 1768 Comment
  HSC69739  Amelanchier alnifolia Maralyn A. Renner 1980-6-26 1278 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  HSC18536  Amelanchier pallida D. M. Thomson 1965-8-21 203 Siskiyou Lava Beds NM, 1/4 mi. S of Caldwell Cinder Pit Comment
  HSC4957  Amelanchier pallida J. O. Sawyer 1968-9-10 691 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS123617  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -351 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  JEPS126019  Amelanchier pallida E. T. Doucette 2013-5-20 13 -132 Siskiyou Greenhorn Road, Yreka, 8.7 miles from business district. Comment
  RSA79000  Amelanchier pallida E. K. Balls, Percy C. Everett 1952-10-13 18188 Siskiyou E shore of Castle Lake. 1585 Comment
  SEINET10628528 Image available Amelanchier pallida A. Arthur Heller 1905-6-5 Heller 7979 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  CHSC95106  Anemone deltoidea L. P. Janeway 2006-7-2 8735 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). Shady flat bench above the creek. 1585 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UCD95466  Anemone deltoidea John M. Tucker 1974-7-28 4310 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Camp at Haypress Meadows. 1463 Comment
  UCSB24735  Anemone deltoidea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  HSC69438  Anemone deltoidea John Palmer 1980-8-13 797 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  UCD95451  Anemone deltoidea Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Along Canyon Creek, east of Marble Mountain, Marble Mountains. 1584 Comment
  UC1736533  Anemone drummondii Dean W. Taylor 1972-7-4 1606 Siskiyou near Lily Pad Lake, Cook and Green Pass region 1981 Comment
  CAS-BOT-BC391853  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  POM365634  Anemone drummondii M. B. Dunkle 1945-1 9358 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  UCD95474  Anemone drummondii var. drummondii Robert E. Preston 2001-8-26 1766 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1975 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  HSC58915  Anemone occidentalis Marvin Butler 1971-7-14 137 Siskiyou Near El Capitan 2073 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  CAS-BOT-BC391966  Anemone occidentalis Douglas Barbe; H. K. Wagnon 1957-6-16 13135 Siskiyou North Coast Ranges. Near Summit Scott Mt 1920 Comment
  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
  UC1167722  Angelica arguta Peter H. Raven 1956-9-4 10376 Siskiyou s of Mount Eddy 2286 Comment
  HSC71992  Angelica tomentosa J. M. DiTomaso 1980-8-7 1861 Siskiyou Rattlesnake Meadow, below Preston Peak 1631 Comment
  UC54134  Antennaria dimorpha H. M. Hall and E. B. Babcock 1903-6-16 4101 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  CAS-BOT-BC58710  Antennaria geyeri Elmer I. Applegate 1936-7-3 10496 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 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
  CAS-BOT-BC79901  Antennaria microphylla Hans Leschke 1960-8-10 1761 Siskiyou Badger Flat 1912 Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  RSA238784  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Midway between Tom Taylor Cabin and English Peak L. O.; open site is granitic gravel and soil. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2005 Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  CHSC75759  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy 9.0 mi west of Gazelle. 914 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  HSC101465  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 2011-7-21 13042 Siskiyou Near Dillon Camp 1358 Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  CAS-BOT-BC394981  Aquilegia formosa John Thomas Howell 1939-8-3 15022 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1409275  Aquilegia formosa Frederick W. Oettinger 1968-8-6 422 Siskiyou se corner of Hancock Lake Salmon Mtns, Marble Mt. Wilderness Area 1935 Comment
  RSA463119  Aquilegia formosa S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA0125741  Arabis breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC29180  Arabis divaricarpa Frederick W. Oettinger 1968-8-18 568 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  HSC39200  Arabis holboellii var. pinetorum J. P. Smith 1976-5-21 8774 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC67807  Arabis holboellii var. pinetorum J. O. Sawyer, J. Cole 1980-7-22 3961 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  HSC42158  Arabis holboellii var. retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  HSC69496  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-19 3695 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC57505  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10157 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA0129255  Arabis lyallii Frederick W. Oettinger 1968-8-20 595 Siskiyou Ridge between English Peak and Diamond Lake; Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 2073 Comment
  RSA0129721  Arabis oligantha E. B. Copeland 1903-8-16 3914 Siskiyou Mount Shasta 2439 Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  JEPS84111  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
  HSC64940  Arabis platysperma var. howellii D. L. Goforth 1979-7-19 275 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, S of upper lake 2195 Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA78833  Arabis suffrutescens P. A. Munz 1952-7-2 17911 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  UC454524  Aralia californica I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  JEPS40140  Arceuthobium campylopodum Milo S. Baker 1923-8-17 303 Siskiyou near Camp 6 Siskiyou Ntional Forest Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  SEINET2140004  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -46 Siskiyou On trail to Eaton Lake, Russian Peak Wilderness Area. 1715 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  SEINET11989649  Arctostaphylos klamathensis A. Seneres, Edwards, S.; Harold, N. 1982-1 s.n. Siskiyou Terrace Lake 1920 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  CAS-BOT-BC39979  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou Small bog on side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake. 1584 Comment
  HSC69381  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3696 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  CAS-BOT-BC46440  Arctostaphylos patula C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon. Between Keno and Shovel Cr. Calif - Oregon boundary. Comment
  CAS-BOT-BC46509  Arctostaphylos patula D. E. Breedlove 1962-6-10 3290 Siskiyou On sw. slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 mi. nw. of Happy Camp. 1554 Comment
  RSA604050  Arctostaphylos patula L. C. Wheeler 1935-3-31 3413 Siskiyou Wintoon Butte, south base, near (W of) Mt. Shasta. 1189 Comment
  UC412711  Arctostaphylos patula Mus. Vert. Zool. 1911-6-15 145 Siskiyou Jackson Lake Comment
  UC412767  Arctostaphylos patula Milo S. Baker 1897-8-1 94 Siskiyou Mayfield rd 10 mi e Bartle's 1524 Comment
  UCSB15822  Arctostaphylos patula Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC46439  Arctostaphylos patula C. Hart Merriam 1910-10-2 s.n. Siskiyou Klamath River Loop, 3 or 4 mi. e. of Happy Camp. Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  CAS-BOT-BC47022  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  UCD105962  Arenaria serpyllifolia var. serpyllifolia Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC82362  Arnica cordifolia Doris K. Kildale 1929-7-20 8596 Siskiyou South east spur of Preston Peak 1950 Comment
  CAS-BOT-BC82361  Arnica cordifolia L. R. Short 1933-5-22 55 Siskiyou Klamath National Forest, Slope above Hegler's 609 Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  UC134172  Arnica discoidea Dr. E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1310 Comment
  RSA126299  Arnica discoidea I. L. Wiggins 1955-7-23 13465 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  CHSC95131  Arnica latifolia L. P. Janeway 2006-7-2 8749 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC22159  Arnica latifolia J. O. Sawyer 1969-6-11 848 Siskiyou Above C.C.C. road. 1287 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  CAS-BOT-BC82771  Arnica mollis Lillian S. Mott 1967-7-2 LM 6762 Siskiyou along highway, near Dorris 1524 Comment
  CAS-BOT-BC82772  Arnica mollis Gilbert J. Muth 1969-8-11 1359 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2346 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  UCSB27386  Arnica mollis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  JEPS109883  Arnica viscosa Dean W. Taylor 2005-8-18 19467 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek (ca. 12 air miles NE of the summit of Mt. Shasta) 1950 Comment
  RSA238807  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1859 Comment
  RSA261515  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3750 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS106483  Artemisia douglasiana J. K. Nelson 2004-8-29 2004 -95 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  OBI53772  Artemisia douglasiana David J. Keil 1992-7-20 23482 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  UC1190169  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou just above mouth of Blind Horse Creek (on river banks); South Fork Salmon River 886 Comment
  CAS-BOT-BC93890  Artemisia dracunculus Carl B. Wolf 1927-8-27 1130 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC5013  Artemisia tridentata subsp. tridentata W. L. Jepson 1940-6-23 20022 Siskiyou Andesite Sta., N of Mt. Shasta 976 Comment
  RSA756943  Aruncus dioicus var. pubescens Robert F. Thorne 1969-8-2 63340 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  HSC28655  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou Marble Mtn. Wilderness Area, 100 yds. downstream from Tom Taylor Cabin spring 2012 Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  RSA120779  Asclepias speciosa G. D. Barbe 1955-6-28 22 Siskiyou 0.8 mile north of Callahan along an irrigation ditch. 976 Comment
  RSA60530  Asclepias speciosa John H. Thomas 1949-6-16 957 Siskiyou Roadside, 2 miles north of Hornbrook. Comment
  CAS-BOT-BC69561  Aspidotis densa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, trinity Mts. 1889 Comment
  HSC44741  Aspidotis densa Maralyn O'Meara 1974-5-25 442 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UCD21469  Aspidotis densa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1209 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  RSA238790  Aster alpigenus Frederick W. Oettinger 1969-8-4 1180 Siskiyou In wet, boggy meadow N of Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  POM58123  Aster eatonii E. B. Copeland 1903-8-13 3821 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC27497  Astragalus californicus Edward Lee Greene 1876-5-9 764 Siskiyou near Yreka Comment
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  CAS-BOT-BC199147  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  HSC71340  Astragalus whitneyi var. siskiyouensis J. P. Smith 1974-5-26 7384 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  HSC2393  Asyneuma prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  RSA126271  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  HSC69113  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2309 Siskiyou Cracker Meadow 1555 Comment
  UC220844  Athyrium filix-femina var. cyclosorum H. E. Brown Jul 15 1897-Jul 31 1897 544 Siskiyou s side Mt Shasta 1524 Comment
  UC375286  Athysanus pusillus Geo. D. Butler 1909-3-14 556 Siskiyou near Yreka Comment
  POM210922  Atriplex rosea L. C. Wheeler 1934-10-21 3339 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  POM211519  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CDA23342  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. Comment
  CAS-BOT-BC106501  Balsamorhiza deltoidea Alice Eastwood 1923-5-23 11927 Siskiyou Cantara Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 Comment
  UC165277  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Yreka 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
  HSC34001  Barbarea orthoceras J. P. Smith 1974-5-25 7487 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC61822  Barbarea orthoceras Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  UC1043535  Berberis aquifolium var. aquifolium P. C. Everett and E. K. Balls 1954-10-13 20284 Siskiyou 6 mi ne from Hwy 96 at Seiad Valley Seiad Creek 640 Comment
  UC796540  Berberis aquifolium var. aquifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11814 Siskiyou at Mule Creek croosing of Scott Mt Rd 1524 Comment
  UC135573  Berberis aquifolium var. repens Dr. E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy 1463 Comment
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  CHSC63503  Betula occidentalis Vernon H. Oswald; Lowell Ahart 1994-8-1 6443 Siskiyou Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed. 1706 Comment
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  CHSC60597  Blepharipappus scaber L. P. Janeway 1984-6-22 871 Siskiyou About 1 mi north of Scott Summit on Rd 40N08. 1645 Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  SEINET193233  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Scott River 2 miles northwest of Scott Bar. 488 Comment
  JEPS84108  Boechera divaricarpa L. R. Heckard with J. Hickman et al. 1986-7-17 6549 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  UC1586875  Boechera divaricarpa Juha Pykala and D. H. Norris 1987-6-26 2041 Siskiyou above Bear Lake; Marble Mountain Wilderness Area 1950 Comment
  JEPS40879  Boechera howellii Paul C. Hutchison 1962-8-2 942 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  CAS-BOT-BC540349  Boechera paupercula Dana York 2012-7-20 3118 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
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Aug 6 2017
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET3166095  Boechera rollei P. J. Alexander 2008-7-24 873 -C Siskiyou On the Pacific Crest Trail +-0.7 miles SSW of Cook & Green Pass, +-1.9 miles E of Red Butte, +-7miles NNE of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1606 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  HSC97138  Botrychium virginianum Martin J. Lenz 2006-7-13 3081 Siskiyou ~ 2 aerial mi. NW of north Dunsmuir. 1040 Comment
  UCD102598  Boykinia major Dean William Taylor 1972-7-3 1585 Siskiyou At Cook and Green Pass. 1371 Comment
  RSA68957  Boykinia major A. E. Culbertson 1943-8-8 1 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000 backwall. 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns. 2000 above Sacramento River within 10 air miles of its headwaters to the W. 1656 Comment
  HSC27675  Boykinia occidentalis Carl W. Mize 1972-6-8 34 Siskiyou Along main trail near Deer Lick Creek 351 Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  UC718020  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 7/10 mi below mouth of Dillon Creek; Siskiyou Mountains, Klamath River, Dillon Creek 243 Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  UC61169  Brodiaea coronaria subsp. coronaria W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC144105  Bromus Ira L. Wiggins 1950-5-27 12354 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  CDA1789  Bromus briziformis J. R. Grisham 1958-6-16 582 -58 Siskiyou Gazelle. 0 Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  UCD58540  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3391 Siskiyou At Weed. Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC36753  Bromus hordeaceus J. P. Smith 1974-5-25 7405 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  JEPS94892  Bromus japonicus Vernon H. Oswald and Lowell Ahart 1998-7-21 9326 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake 1524 Comment
  HSC42894  Bromus orcuttianus Ken Stillman 1976-8-15 410 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA184787  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Valley, Marble Mountains. 1799 Comment
  RSA239078  Bromus orcuttianus Frederick W. Oettinger 1969-8-3 1140 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UC1265362  Bromus orcuttianus F. W. Oettinger 1968-9-2 664 Siskiyou Salmon Mountains, sw side of Upper English Lake, w Siskiyou County Upper English Lake; Salmon Mountains, Upper English Lake 1868 Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  POM112727  Bromus rubens Geo D. Butler 1910-5-4 1270 Siskiyou Dry hill near Yreka Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UC816445  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  UC909361  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou east fork of Scott River, at Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  UC166058  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  RSA238384  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou Below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC26914  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1971-9-17 4777 Siskiyou Little Duck Lake Comment
  HSC30590  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-8-16 1404 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow, English Lake Meadow 1677 Comment
  CAS-BOT-BC185260  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 9009 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  HSC23461  Calamagrostis nutkaensis J. O. Sawyer 1969-8-4 1841 Siskiyou Above Sugar Lake 2134 Comment
  HSC65688  Calamagrostis stricta subsp. stricta Donald W. Miles 1979-7-23 23 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  SEINET7584067 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 767 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, just north of Tobacco Lake. 1890 Comment
  UC163689  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou creek near Oro Fino Comment
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  CAS-BOT-BC85743  Calocedrus decurrens Alice Eastwood 1928-8-1 1939 Siskiyou Cantara Comment
  LA16790  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc lava beds, 14.3 mi E of Fall River on road from Dana to Little Hot Slprings Valley 1219 Comment
  NY18933  Calocedrus decurrens A. A. Heller 1915-8-26 12254 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
  POM21798  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1067 Comment
  RSA60629  Calochortus coeruleus I. L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  RSA37455  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  UC160447  Calochortus nudus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  RSA68946  Calochortus nudus A. E. Culbertson 1943-7-1 12 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  UC9024  Caltha biflora Harley P. Chandler June, 1901 1571 Siskiyou Near Marble Mountain; North Coast Ranges. 1828 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UCD129884  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  HSC17650  Calyptridium monospermum D. E. Anderson 1962-8-5 2311 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC64321  Calyptridium monospermum J. P. Smith, Steve Selva 1970-8-8 4564 Siskiyou Comment
  JEPS74490  Calyptridium umbellatum W. J. Ferlatte 1966-6-22 77 Siskiyou Trinity Alps, Josephine Lake Basin Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  UC164126  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1910-5-23 1397 Siskiyou Humbug Mountain 1066 Comment
  UC796590  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11865 Siskiyou 8 mi from summit Gazelle Mt. grade (e side); 8 mi from summit Gazelle Mt. grade 929 Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  SEINET7040088  Camissonia contorta A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  CAS-BOT-BC160907  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along U.S. Highway #97, just south of Bray 1402 Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  RSA68916  Campanula prenanthoides A. E. Culbertson 1943-8-1 42 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 at its headwaters to the west. 1657 Comment
  SEINET10462857  Campanula prenanthoides Butler 1910-8-7 BUTLER 1815 Siskiyou HUMBUG MOUNTAIN 4000 Comment
  CHSC179  Campanula scabrella E. G. England 1939-7-16 Siskiyou Mt. Eddy timberline. 2133 Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  SEINET10463791  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou Buck Lake 1311 Comment
  SEINET191618  Campanula scouleri Marion Ownbey, Fred G Meyer 1940-7-8 2226 Siskiyou 18 mi N of Happy Camp near summit of Siskiyou Mountains. Comment
  JEPS74417  Campanula wilkinsiana W. J. Ferlatte 1967-8-22 1099 Siskiyou Kidd Creek Trail; Trinity Alps 2133 Comment
  UCD66988  Campanula wilkinsiana Joseph DiTomaso 1980-8-21 1893 Siskiyou Kidd Creek Meadows, Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  UC375296  Cardamine californica Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  CAS-BOT-BC471262  Cardamine cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5856 Siskiyou Trail to Bear Lake, Paradise Lake area, Marble Mountains 1920 Comment
  POM95832  Cardamine pulcherrima Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  RSA60623  Cardamine pulcherrima I. L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1799 Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC76858  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou E facing slope below the Poker Flat/Twin Valley Trail 1585 Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SEINET11309953 Image available Carex atherodes Unknown 2009-1 24601 Siskiyou North side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, Cascade Range Highlands (CaRH). Comment
  CAS-BOT-BC18129  Carex athrostachya Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  UCD77479  Carex athrostachya Robert E. Preston 2001-6-30 1656 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  JEPS25915  Carex densa W. L. Jepson July, 1884 51 a Siskiyou Sisson Comment
  CAS-BOT-BC20043  Carex echinata William Bridge Cooke 1939-7-21 13724 Siskiyou Mount Shasta. Around Lower Wagon Camp Springs. 1737 Comment
  JEPS25916  Carex feta W. L. Jepson 1894-8-4 53 a Siskiyou Mt. Shasta Comment
  HSC91224  Carex geyeri Jennifer Whipple 1976-6-17 1019 Siskiyou N face of Mount Eddy 2134 Comment
  CHSC96166  Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  SEINET7561745 Image available Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC97428  Carex hoodii Jennifer Whipple 1978-7-20 2353 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC35522  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou In the Wagon Camp Sedge Swamp 1737 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  HSC37424  Carex leptopoda J. O. Sawyer 1969-8-5 1955 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CHSC96165  Carex luzulina L. P. Janeway 2006-7-1 8719 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  SEINET7567163 Image available Carex mertensii Ray Tallent 1987-8-12 900 Siskiyou Klamath National Forest, Long Gulch Lake, near where creek exits lake. 1939 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  CHSC115879  Carex multicaulis Peter F. Zika 2012-5-18 25888 Siskiyou Near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CAS-BOT-BC119676  Carex nervina R. Tallent 1987-8-13 914 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  RSA237303  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  CHSC69840  Carex nudata Lawrence Janeway 1982-8-14 131 Siskiyou Along n shore of Klamath R. 426 Comment
  SEINET4292080 Image available Carex pachycarpa Unknown 2006-1 8738 Siskiyou Klamath Ranges. Salmon Mountains; slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit Deadman Peak 7.5' quad. Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  JEPS93891  Carex pellita Vernon H. Oswald and Lowell Ahart 1998-7-21 9353 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  HSC30554  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1860 Comment
  SEINET7572539 Image available Carex preslii Ray Tallent 1987-8-12 909 Siskiyou Klamath National Forest, trail to Long Gulch Lake. 1939 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CHSC43993  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Along S. Fk. Indian Cr. Rd (17N32) ca 17 miles from Indian Cr. Rd. 1402 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC39301  Carex rostrata J. O. Sawyer 1969-7-12 1347 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC69185  Carex rostrata Maralyn A. Renner 1980-8-31 2633 Siskiyou Twin Valley. 1494 Comment
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39286  Carex spectabilis J. O. Sawyer 1969-8-4 1846 Siskiyou Above Sugar Lake 2134 Comment
  UC1265455  Carex spectabilis Frederick W. Oettinger 1969-8-6 1254 Siskiyou New York Flumes, Pine Lake Basin Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA238964  Carex spectabilis Frederick W. Oettinger 1969-9-4 1659 Siskiyou Tom s lower pond near Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  JEPS63651  Carex stipata var. stipata Mrs. M. H. Goldsmith 1916-8-6 12 Siskiyou Sisson Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CHSC106465  Carex subfusca Peter F. Zika 2009-8-16 24599 Siskiyou Cascade Range Highlands (CaRH). Damp meadows near north end of Juanita Lake, Forest Service Road 46N04. 1550 Comment
  UC836151  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek Siskiyou Mts. 914 Comment
  UC922500  Carex subfusca Annie M. Alexander and Louise Kellogg 1949-7-28 5887 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  POM81964  Carex subfusca Geo D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC115166  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Edge of Castle Lake. Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  UCD21465  Carex vesicaria Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1205 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CHSC110082  Carex viridula subsp. viridula Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest, along road 41N03, 3.3 miles from road 2H001. 1704 Comment
  JEPS109253  Carex whitneyi D. W. Taylor 2005-7-12 19382 Siskiyou Antelope Creek, along unnamed tributary that drians from Rainbow Mountain, just upstream from the crossing of Forest road 42N16. Comment
  CAS-BOT-BC59701  Cassiope mertensiana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath. Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC736  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2470 Comment
  UC1409390  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou near in let stream, Little Hancock Lake 2042 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  HSC20505  Castilleja applegatei R. C. Wunner 1965-6-6 93 Siskiyou Lava Beds National Monument, .2 mi. on Rd. to Caldwell Ice Cave 1402 Comment
  HSC29373  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou Salmon Mts., above English Lake trail on English Lake side of Pass to Diamond Lake 1890 Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  POM298035  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalfe Ranch, n.e. of Mt. Eddy. 1189 Comment
  CAS-BOT-BC243750  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-5-26 9184 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC61196  Castilleja arachnoidea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC69005  Castilleja arachnoidea Maralyn A. Renner 1980-7-28 2152 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS23707  Castilleja arachnoidea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7184 Siskiyou just e Mt. Shast Ski Bowl Lodge (at upper end of Everett Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  SEINET10744867  Castilleja arachnoidea Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 869 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
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  JEPS4342  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS68260  Castilleja lacera L. R. Heckard 1972-5-31 2933 Siskiyou about 2 mi se Yreka 822 Comment
  UCR131624  Castilleja lacera L. C. Wheeler 1935-6-27 3611 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  JEPS74484  Castilleja miniata W. J. Ferlatte 1966-8-2 232 Siskiyou between campground and South Fork of Salmon River (Big Flat); Trinity Alps, Big Flat 1524 Comment
  UC725309  Castilleja miniata A. A. Heller 1940-7-24 15751 Siskiyou outlet of Castle Lake Comment
  RSA143625  Castilleja miniata P. A. Munz 1960-8-22 24178 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  HSC76734  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  SBBG40128  Castilleja pruinosa C. B. Hardham 1961-6-30 7997 Siskiyou White Mtn Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  CAS-BOT-BC241081  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mountain Wilderness Area. NE facing in Black Mt. 2133 Comment
  UC618735  Ceanothus cordulatus W. B. C. 1938-6-17 11021 Siskiyou Sisson Southern Trail Mt. Shasta 1219 Comment
  UC870511  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  UCD111782  Ceanothus cuneatus C. L. Schmidt 1994-7-7 1298 Siskiyou 5 miles SE of junction of Gazelle-Callahan Road and CA-3. 1493 Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  UC796506  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11811 Siskiyou At Mule Creek crossing of Scott Mt. Rd 1524 Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  CAS-BOT-BC63604  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou Common along Castle Lake Rd. about half way from the Box Canyon to the lake. 1371 Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  UC61168  Ceanothus integerrimus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson Comment
  LA43618  Ceanothus integerrimus W. B. C.; 1940-6-6 15030 Siskiyou along Castle Lake rd. in brush fields about 0.5 way from Box Canyon to the Lake Comment
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 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
  UCD112676  Ceanothus pumilus D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC53031  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  HSC30657  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  RSA398981  Ceanothus velutinus Bonnie C. Templeton 1960-6-16 8544 Siskiyou Between Bartle and McCloud Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  SEINET5339451  Ceanothus velutinus H. A. Jensen 1933-9-25 s.n. Siskiyou Spring hill Comment
  HSC69115  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-7 2393 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  CAS-BOT-BC281206  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16261 Siskiyou W side of Highway 97 to Weed, 3 miles S of Macdoel Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 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
  CAS-BOT-BC207628  Cercis occidentalis John Thomas Howell 1934-7-4 12408 Siskiyou SE corner of Siskiyou Co. Comment
  POM88245  Cercocarpus betuloides Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  RSA59495  Cercocarpus ledifolius E. K. Balls 1950-5-16 14705 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  CAS-BOT-BC276776  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-6 1252 Siskiyou Boulder Peak Ridge Comment
  HSC5256  Chaenactis douglasii var. douglasii D. M. Thomson 1965-6-30 120 Siskiyou California Lava Bedds National Monument; 1 mile up Cave Loop Road Comment
  JEPS125888  Chaenactis suffrutescens Dean W. Taylor 1996-6-18 15695 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle; about 350 m upslope from the Yreka Ditch. Comment
  SD241738  Chaenactis suffrutescens Dean Wm. Taylor 1997-6-12 16051 Siskiyou Siskiyou County: Hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley: ac. 4 miles west of Gazelle (China Mountain 7.5'Q) 945 Comment
  HSC69735  Chamaecyparis lawsoniana Maralyn A. Renner 1980-6-26 1282 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA12607  Chamaesyce serpillifolia C. B. Wolf 1934-7-6 5978 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC637121  Chamaesyce serpyllifolia Edward Lee 1934-8-12 1048 Siskiyou 1/4 mi w mouth of Walker Creek (a tributary of the Klamath River (e side of Seiad Valley)) 426 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC68246  Cheilanthes gracillima Doris K. Kildale 1929-7-20 8579 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  CAS-BOT-BC68238  Cheilanthes gracillima Robert T. Clausen; Harold Trapido 1940-7-26 4953 Siskiyou Sacramento River Basin - Mt. Shasta - east side of canyon on Mud Creek 1584 Comment
  HSC92771  Cheilanthes gracillima Jennifer Whipple 1977-7-22 2043 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Cr. Drainage 2348 Comment
  RSA577148  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  UCR143039  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  UC851136  Chenopodium foliosum L. E. Smith 1914-6-24 722 Siskiyou Sisson Comment
  CAS-BOT-BC451431  Chimaphila menziesii W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag Trail, near Mt. Shasta Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  JEPS83826  Chimaphila umbellata Wayne Roderick July 1978 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  SJSU8379  Chimaphila umbellata M. D. Fleachner 1965-7-8 Siskiyou c. 6 mi SW of Bartle on State Route 89 Comment
  RSA238330  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 305 Siskiyou Just about 10 yards n.w. of the Pine Lake campsite at the n.w. side of the lake. 1921 Comment
  CAS-BOT-BC39663  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson prop., 3.5 miles northwest of Gazelle. Comment
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  UC119263  Chrysolepis sempervirens unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  CAS-BOT-BC36240  Chrysolepis sempervirens W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Tavern Comment
  UC1540152  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  CDA14222  Chrysothamnus nauseosus subsp. albicaulis G. F. Hrusa 1997-9-18 14104 Siskiyou Summit of Pass between Calahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC32779  Chrysothamnus parryi subsp. latior Amos Arthur Heller 1915-8-26 12250 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  SEINET2030003 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UCD130483  Cichorium intybus Morris Halperin 1930-5-17 s.n. Siskiyou near Montague, Schumacher Gulch. Comment
  UC60954  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  JEPS109395  Cinna latifolia Dean W. Taylor 2004-7-20 19196 Siskiyou Bear Spring, Mt. Shasta 1554 Comment
  UCD59689  Cinna latifolia Robert E. Preston 2001-7-20 1690 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, north of Hemlock Lake. 1731 Comment
  SBBG4936  Circaea alpina H. and M. Dearing 1939-7-1 3769 Siskiyou Etna Crk, W of Etna on grade 1219 Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  JEPS77793  Cirsium ciliolatum D. H. Shaw and T. C. Fuller 1978-7-5 20246 Siskiyou 15 km. n Montague (0.3 km. e of Bryant-Willow Creek Road, n side of York Road); York Road Comment
  CAS-BOT-BC278045  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Just east of Montague Comment
  CAS-BOT-BC278049  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  CAS-BOT-BC279889  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC279885  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CDA1273  Cirsium inamoenum T. R. Haig, F. D. Horn 1979-9-2 s.n. Siskiyou Goosenest Rd., 14 km NE of Tennant. 0 Comment
  CAS-BOT-BC285553  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 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
  CDA1579  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  HSC5381  Cirsium vulgare R. C. Wunner 1965-8-14 434 Siskiyou California Lava Beds National Monument; 2 mi. from Mammoth Crater on Rd. to SW entrance 1555 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  RSA448331  Clarkia purpurea subsp. viminea Louis C. Wheeler 1934-6-2 2610 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  CAS-BOT-BC164744  Clarkia rhomboidea Wm. Bridge Cooke 1940-7-12 15339 Siskiyou Along the Memorial Highway, near MacBride Springs Comment
  HSC61811  Claytonia lanceolata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC92978  Claytonia lanceolata Jennifer Whipple 1976-4-17 1030 Siskiyou Ridge between Durney Lake and Little Crater Lake 2378 Comment
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Sep 23 2019
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  CAS-BOT-BC439628  Claytonia parviflora subsp. parviflora J. M. Miller 1974-6-2 358 Siskiyou Siskiyou Mountains. Dillon Creek Campground; Klamath River Highway (State Hwy. 96) where Dillon Cr. meets the Klamath River. Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC726464  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou near Durney's Mill Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  RSA238293  Claytonia sibirica Frederick W. Oettinger 1967-7-26 185 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  CAS-BOT-BC92760  Clematis ligusticifolia H. A. Thomas; J. H. Thomas 1954-7-23 4460 Siskiyou Salmon-Trinity Mountains, about 6 miles southeast of Cecilville. 883 Comment
  UC61083  Clematis ligusticifolia W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mt. Shasta, Sisson Comment
  UC398634  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou near Klamath River (n end of Shasta Valley); Shasta Valley Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  UC454411  Clintonia uniflora I. J. Condit July 1911 Siskiyou Sisson Comment
  CAS-BOT-BC499971  Clintonia uniflora Wayne Roderick 1967-7-22 s.n. Siskiyou North of Happy Camp on road to O'Brien Creek 1219 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SEINET4899737  Clintonia uniflora Jack Seely 1991-1 s.n. Siskiyou Klamath National Forest, Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  UC1177936  Collinsia rattanii Francia Chisaki, Gene B. Newcomb 1958-6-22 1156 Siskiyou Duzel Rock between Fort Jones and Gazelle (9.6 mi on road from Fort Jones to the turn-off to Duzel Roack and 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  UC1409407  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou area w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC37522  Collomia grandiflora J. P. Smith 1974-5-25 7415 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS71023  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  RSA120857A  Collomia grandiflora G. D. Barbe 1957-7-13 377 Siskiyou Big Flat Public Camp, Klamath National Forest. Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. 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
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  HSC19266  Corallorhiza mertensiana J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA237635  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Woods across meadow from base camp, Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  SEINET3864279  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (I-5).; 0 774 Comment
  RSA517292  Cordylanthus tenuis subsp. tenuis Barbara J. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  JEPS77480  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4974 Siskiyou s Edgewood (road above Stewart Springs, on Deadfall Meadow-Mt. Eddy Rd.) 1371 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  HSC73466  Cornus nuttallii Grunert 37 Siskiyou On Rd. 41NF1, ca. 6 mi. from Hwy. 3 1311 Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  RSA256603  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  HSC31801  Cornus sericea subsp. sericea Steve Selva, Roger Jensen 1974-8-16 4 Siskiyou Along banks of Sugar Creek near outflow of Sugar Lake. Comment
  JEPS80510  Cornus sericea subsp. sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC637142  Cornus sericea subsp. sericea Edward Lee 1934-8-13 1072 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest (watershed of W. Branch Indian Creek); , W. Branch Indian Creek 1371 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  CDA25822  Crataegus douglasii G. D. Barbe 1984-6-8 4169 Siskiyou West side of Highway 3 at Holzhauser Lane, north of Etna. Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  JEPS16957  Crepis occidentalis Peter H. Raven 1956-9-4 10398 Siskiyou Mount Eddy; s side 2560 Comment
  SEINET11835673  Crepis occidentalis H. P. Chandler 1901-1 1644 Siskiyou North Coast Ranges, Marble Mountain Comment
  RSA78826  Crepis occidentalis subsp. conjuncta P. A. Munz 1952-7-2 17904 Siskiyou Baldy Mountain, about 6 air miles west of Happy Camp, Siskiyou Mts. 1723 Comment
  CDA4442  Crepis occidentalis subsp. costata Unknown Jul 1951 s.n. Siskiyou Yreka. 0 Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  HSC66397  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  HSC69341  Cryptantha affinis J. O. Sawyer, J. Cole 1980-7-20 3714 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC68493  Cryptantha milobakeri Maralyn A. Renner 1980-6-10 866 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
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May 28 2007
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC70481  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Klamath Forest, Alex Canyon 1889 Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  NY16606  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  UC1733972  Cupressus bakeri subsp. matthewsii Frank Gould, Kay H. Beach 1940-5-15 1247 Siskiyou Meadows and Goosenest Mountain. 1828 Comment
  UCR143518  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains, West Fork Seiad Creek 1159 Comment
  UC1409233  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou sse of Tom Taylor Cabin (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  RSA602930  Cuscuta occidentalis L. C. Wheeler 1958-8-21 7417 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  RSA38305  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte Comment
  UC105504  Cycladenia humilis var. humilis K. Brandegee July 1887 Siskiyou between Sisson's and Edgewood Comment
  JEPS39354  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  CAS-BOT-BC133738  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  CAS-BOT-BC192261  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  JEPS72971  Danthonia californica W. L. Jepson 1940-7-3 20121 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC165451  Danthonia californica var. americana Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC76232  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-BC76245  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1219 Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC1483486  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou near trail about 1/4 mi below Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1584 Comment
  UC1607536  Darlingtonia californica Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9364 Siskiyou at head of river ca 1 mi e Toad Lake (ca 8 air mi w of Mt Shasta City); Middle Fork Sacramento River 1981 Comment
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  RSA211136  Delphinium glaucum William J. Ferlatte 1966-8-18 404 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC9843  Delphinium nudicaule Alice Eastwood 1923-5-18 11830 Siskiyou Shasta Springs Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  CAS-BOT-BC116171  Delphinium nuttallianum Ira L. Wiggins 1950-5-28 12382 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek). 1737 Comment
  UC1409276  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 b Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC116157  Delphinium nuttallianum Alice Eastwood 1921-7-28 10903 Siskiyou Medicine Lake Comment
  CDA24255  Delphinium nuttallianum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA211135  Delphinium nuttallianum William J. Ferlatte 1966-6-20 88 Siskiyou Along S Fork of the Salmon River betw the campground and Carter's. 1524 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC192466  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  HSC27304  Deschampsia elongata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5694 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  HSC6727  Descurainia sophia R. C. Wunner 1965-7-7 343 Siskiyou California Lava Beds National Monument, near N Prefab, Indian Well 1433 Comment
  SEINET10620914 Image available Dicentra pauciflora Edward L. Greene 1876-8-22 Greene 994 Siskiyou On Scott Mountain. 2743 Comment
  UCD150602  Dicentra pauciflora Rolf Y. Berg 1964-7-15 s.n. Siskiyou Seiad Valley. Near Lily Pad Lake; west of Cook and Green Pass. Comment
  JEPS9733  Dicentra uniflora W. L. Jepson 1940-6-27 20044 Siskiyou e slope Mt. Shasta 2133 Comment
  UCSB12329  Dicentra uniflora Dearing, Hugh; Dearing, Margaret 1938-6-21 Siskiyou Mt. Shasta 2438 Comment
  HSC82484  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4799 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC501000  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC291000  Dieteria canescens var. shastensis Alice Eastwood 1921-7-25 10856 Siskiyou Bigelows, on the McCloud Comment
  CAS-BOT-BC153649  Diplacus jepsonii Elmer I. Applegate 1923-8-19 3887 Siskiyou Medicine Lake Comment
  SBBG24941  Diplacus nanus H. and M. Dearing 1939-7-1 3779 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC153723  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  JEPS61814  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Russian Creek, Eldredge's Corral Russian Creek; , Eldredge's Corral 1219 Comment
  SEINET8349011  Distichlis spicata Frank Callahan 2007-8-17 Siskiyou southeast of Dry Lake; access from I-5 to Louie Rd. northeast; land belongs to Sierra Pacific. 800 Comment
  RSA105369  Dodecatheon alpinum G. D. Barbe 1955-7-6 126 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  UC54922  Dodecatheon jeffreyi W. T. Mooney June, 1902 Siskiyou Yreka Comment
  CHSC71477  Downingia bacigalupii Vernon H. Oswald; Lowell Ahart 1998-7-21 9363 Siskiyou Between Weed and Macdoel on Hwy. 97 0.9 mi southwest of Tennant Rd. In a roadside meadow. 1188 Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  CAS-BOT-BC41415  Draba verna A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3419 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  HSC103177  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC29647  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-16 531 Siskiyou Marble Mtn. Wilderness Area, summit of Red Hill N of Hancock Lake 2058 Comment
  UC1540016  Drymocallis lactea var. austiniae Roseberry 1936-5-15 32 Siskiyou 1/4 mi n Blue Eyes Point (Lava Beds National Monument); , n of Blue Eyes Point 1325 Comment
Read comments
Jun 18 2011
  CAS-BOT-BC159289  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area Comment
  HSC132  Drymocallis lactea var. lactea William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC159285  Drymocallis lactea var. lactea A. A. Heller 1922-7-14 13685 Siskiyou At the base of Little Huffman Mountain 2133 Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  SEINET10501599  Egeria densa Katherine L. Morris 1973-6-2 Morris 344 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  UC184011  Eleocharis macrostachya Geo. D. Butler 1910-5-26 1410 Siskiyou Yreka Comment
  CAS-BOT-BC112013  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  JEPS100758  Elodea canadensis Dean W. Taylor 1999-8-12 17346 Siskiyou Blue Pond, Quartz Valley (ca. 1 mile North of Mugginsville) 853 Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  UCD61575  Elymus elymoides R. Tofsrud 1948-8-1 Siskiyou Few mi. N. of Happy Camp. Comment
  UC157087  Elymus elymoides subsp. elymoides Dr. E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon Comment
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC41108  Elymus elymoides var. elymoides J. P. Smith, Steve Selva 1970-7-17 4450 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC206605  Elymus glaucus subsp. glaucus Edward Lee 1934-8-14 1119 Siskiyou West slope of Little Grayback, Siskiyou-Del Norte County line. Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  CHSC105874  Elymus trachycaulus subsp. subsecundus Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 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
  POM256465  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  CHSC71881  Epilobium densiflorum Vernon H. Oswald; Lowell Ahart 1998-9-8 9604 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi wet of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  HSC96323  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 474 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM256466  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1616 Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  JEPS123399  Epilobium luteum Julie Kierstead Nelson with Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC171824  Epilobium luteum Canfield; Saxton 1922-8-21 69 Siskiyou Klamath Forest 1554 Comment
  SEINET6644393 Image available Epilobium minutum A. A. Heller 1919-1 13263 Siskiyou Comptons Prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC171835  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou Deetz Station near Black Butte 1158 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  CHSC36187  Eriastrum signatum K. Bridwell 1978-7-5 166 A Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  SEINET3894740  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd.; 0 Comment
  CAS-BOT-BC286703  Ericameria bloomeri L. E. Smith 1913-7-24 488 Siskiyou McCloud Comment
  RSA211196  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat, near public camp 1524 Comment
  UC134298  Ericameria bloomeri Dr. E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1158 Comment
  UC134300  Ericameria bloomeri unknown Siskiyou near timberline Sisson Comment
  UC86503  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  POM274348  Ericameria greenei B. W. Heacox 1947-9-11 187 Siskiyou Dry-Lake Look-out Station. Siskiyou Mt. Range, Klamath River Drainage Area Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  HSC35787  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-13 759 Siskiyou Baldy Mtn. W of Happy Camp 1768 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA238730  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CHSC67465  Erigeron bloomeri var. bloomeri James D. Jokerst 1992-7-30 3427 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. (No additional location data; W of Interstate 5? V. Oswald). Comment
  UCD131703  Erigeron bloomeri var. bloomeri J. M. Tucker; L. K. Mann 1963-8-18 3765 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  POM257621  Erigeron bloomeri var. pubens C. L. Hitchcock, J. S. Martin 1939-7-9 5329 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  CAS-BOT-BC294898  Erigeron cervinus K. T. Stillman 1976-9-9 471 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  JEPS75970  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou S. Fork Salmon River W of Big Flat; Trinity Alps 1432 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  SD88299  Erigeron filifolius Darley F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on Highway 97. 1160 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  CAS-BOT-BC296123  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts. summit of pass on road from Etna to Sawyer's Bar 1478 Comment
  HSC39257  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-2 1698 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC295383  Erigeron inornatus Wm. Bridge Cooke 1938-7-22 11326 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  SD62054  Erigeron inornatus Darley F. Howe 1965-8-8 4122 Siskiyou South side of Little Gray Back. 1435 Comment
  UCR52572  Erigeron inornatus 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
  HSC100277  Erigeron inornatus var. inornatus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13075 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  CAS-BOT-BC295457  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
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Nov 28 2018
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  SEINET202018  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou Open slope in forest clearing on Wildcat Creek Road ca. 4 miles west of Callahan 1067 Comment
  HSC67523  Eriodictyon californicum J. P. Smith, Steve Selva 1970-6-15 3931 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon 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
  JEPS128834  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -049 Siskiyou The Eddys; eastern Klamath Ranges; between Pacific Crest Trail and Parks Creek Road (County Road 17); just east of Trinity/Siskiyou divide. Comment
  SD62051  Eriogonum elatum var. elatum Darley F. Howe 1965-8-8 4124 Siskiyou South side Little Gray Back, Klamath Netional Forest 1524 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  UC1299711  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou n, on Waldo-Happy Camp Road West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  JEPS56732  Eriogonum marifolium W. L. Jepson 1940-6-28 20063 Siskiyou McCloud 975 Comment
  CAS-BOT-BC267404  Eriogonum microthecum Elmer I. Applegate 1915-9-20 3322 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, northeast corner of Siskiyou County Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  SD22707  Eriogonum nudum var. oblongifolium Susan G. Stokes none given Siskiyou Lava Butte Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  UC637103  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou near Hamburg (s bank of the Klamath River between McKinney and Parkhouse Creeks); Klamath River 609 Comment
  UCR31684  Eriogonum nudum var. pubiflorum John C. Roos 1948-9-2 3976 Siskiyou Fort Jones 915 Comment
  POM165290  Eriogonum ovalifolium var. ovalifolium Copeland 1903-9-7 3873 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  RSA202123  Eriogonum pyrolifolium var. pyrolifolium C. F. Lagace 1966-8-24 s.n. Siskiyou Mount Shasta Ski Lodge. 2409 Comment
  CAS-BOT-BC268581  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4803 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  CAS-BOT-BC262731  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  JEPS56421  Eriogonum strictum var. proliferum J. G. Lemmon June 1889 Siskiyou near Mt. Eddy Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  HSC61798  Eriogonum umbellatum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC289  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, E side of Black Mtn. 2439 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  CAS-BOT-BC268142  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 s.n. Siskiyou Along upper ridges, Marble Valley Comment
  HSC34660  Eriogonum umbellatum var. humistratum Thomas W. Nelson, J. O. Sawyer 1974-10-29 1744 Siskiyou Cirque of Little Duck Lake, rim of lake Comment
  UC1755158  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
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May 3 2007
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  CAS-BOT-BC262381  Eriogonum vimineum Elmer I. Applegate 1935-8-3 10007 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC43066  Eriogonum vimineum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  CAS-BOT-BC262372  Eriogonum vimineum Roxana S. Ferris; Laura Lorraine 1941-8-12 10509 Siskiyou At Petroglyphs north end of Tule Lake. Northern boundary of Modoc Lava Beds National Monument Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  UC144325  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  HSC76696  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-8-7 202 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  UC1540015  Erodium cicutarium Mitchell 1936-5-14 22 Siskiyou Canby Cross Lava Beds National Monument 1249 Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  JEPS24799  Eryngium articulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6808 Siskiyou ca. 3 mi. n.w. Weed (head of Shasta Valley) 975 Comment
  UC2043245  Eryngium articulatum Barbara Ertter 1996-7-24 15023 Siskiyou Klamath River at mouth of Dillon Creek, Route 96 ca 14 air miles N of Somes Bar/Humboldt County line. Comment
  HSC21490  Eryngium articulatum Doris K. Kildale 1925-9-7 1301 Siskiyou Klamath between Somes Bar and Happy Camp Comment
  POM133498  Eryngium articulatum E. B. Copeland 1903-8-13 3819 Siskiyou Sisson. 1067 Comment
  UC1559628  Eryngium mathiasiae Beth Corbin 1989-8-8 529 Siskiyou ca. 15 air miles n. Fall River Mills (Adobe Flat); Lassen Nat'l Forest, Adobe Flat 1097 Comment
  CAS-BOT-BC54570  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  CAS-BOT-BC54590  Erysimum capitatum L. R. Abrams 1922-8-7 9916 Siskiyou 1 mile south of Weed. Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  SEINET8340793  Erythranthe breweri J. M. Tucker 1974-7-28 4315 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC133263  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  UC454408  Erythronium klamathense I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
Read comments
Mar 5 2007
  UC375278  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou near Yreka Comment
  CAS-BOT-BC403671  Eschscholzia californica M. K. Curran 1887-7-1 s.n. Siskiyou Ager. Above Yreka towards Klamath Comment
  CAS-BOT-BC403682  Eschscholzia californica Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC69416  Eucephalus ledophyllus var. ledophyllus John S. Palmer 1980-8-13 758 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  RSA181621  Euonymus occidentalis Dorothy Parker 1951-7-15 s.n. Siskiyou Banks of Etna Creek. 884 Comment
  RSA47787  Euphorbia crenulata Roxana S. Ferris, Laura Lorraine 1948-6-12 11849 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  SD215493  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll) Comment
  CDA4819  Euphorbia virgata T. C. Fuller 1969-7-1 18619 Siskiyou Above reservoir, southeast of Flying K Ranch, quartz Valley, south of Mugginsville. 0 Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA201841  Festuca idahoensis Jack Major, M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2226 Comment
  SEINET238637 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta National Forest ; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  UC70744  Festuca idahoensis T. H. Gilbert 1899-7-15 Siskiyou Scott River Valley Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  HSC41064  Festuca occidentalis J. O. Sawyer 1969-6-11 810 Siskiyou Ridge S of Paynes Lake Creek. 1326 Comment
  HSC42884  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2791 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. Comment
  UCD66154  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET10553350  Festuca pratensis George D. Butler 1910-7-4 Butler 1636 Siskiyou Creek bed, Goosenest foothills. 1219 Comment
  UC723010  Festuca roemeri C. L. Hitchcock and J. S. Martin 1939-7-9 5321 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  HSC48343  Fragaria virginiana Maralyn O'Meara 1974-5-25 416 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC447516  Fragaria virginiana var. platypetala Geo. D. Butler 1910-5-10 1315 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC53258  Frangula californica subsp. californica Wm. Bridge Cooke 1938-8-5 11436 Siskiyou MacBride Spring Road 1524 Comment
  CAS-BOT-BC53416  Frangula californica subsp. occidentalis Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  CAS-BOT-BC59989  Frangula purshiana Elmer I. Applegate 1895-5-30 64 a Siskiyou Sacramento Canyon, upper crossing SPRR, below Sisson. Comment
  CAS-BOT-BC60014  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  CAS-BOT-BC502835  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta, below Wagon Camp 1706 Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  HSC30638  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  RSA184804  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC29326  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC19069  Galium bolanderi J. O. Sawyer 1969-6-12 905 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS25705  Galium bolanderi P. C. Hutchison 1961-5-22 2039 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  POM68839  Galium bolanderi Geo. D. Butler 1909-7-15 996 Siskiyou Russian Creek. 1829 Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  UC722483  Galium glabrescens subsp. glabrescens C. L. Hitchcock and J. S. Martin 1939-7-6 5228 Siskiyou peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp road) 1828 Comment
  HSC23549  Galium triflorum J. O. Sawyer 1970-7-4 2320 Siskiyou S of Cedar Flat Cabin 1494 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC77762  Galium triflorum L. P. Janeway 1983-9-11 676 Siskiyou Poker Flat 1524 Comment
  POM358717  Gamochaeta ustulata Edwin Kline 1920-7-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182265  Garrya fremontii Wm. F. Herrin 1921-10-10 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  JEPS66747  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou near Yreka Comment
  SEINET10939948  Gayophytum Mary Merello 1993-6-25 Merello 723 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC29482  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Salmon Mtns., E side of Hancock Lake 1890 Comment
  RSA120858  Gayophytum diffusum subsp. parviflorum G. D. Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  RSA238864  Gentiana plurisetosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  CDA33310  Gentianella amarella F. D. Horn 1979-8-15 Siskiyou South of Carmen Lakes area, west of Scott Mountain, southeast of Callahan. 0 Comment
  CHSC78517  Gentianella amarella subsp. acuta Vernon H. Oswald 2000-8-28 9955 Siskiyou East border of Kangaroo Lake. 1853 Comment
  UCD102203  Gentianella amarella subsp. acuta Daniel Sanchez-Mata; Tomas Santamaria 2008-8-1 s.n. Siskiyou Stewarts Springs Road to Parks Road. 1720 Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  HSC68489  Gilia capitata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  HSC49902  Gilia capitata subsp. capitata Maralyn O'Meara 1974-5-25 437 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA780162  Gilia capitata subsp. capitata Brian W. Keelan 2011-8-12 s.n. Siskiyou Siskiyou Mountains, ca. 2 miles E of Cook and Green Pass and 5 miles S of the Oregon border (30 mils W of Interstate 5) 1719 Comment
  UC922455  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1949-7-21 5825 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC523880  Gilia modocensis Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2.5 mi SE of Dorris Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  HSC44647  Githopsis specularioides J. P. Smith, Steve Selva 1970-6-16 4019 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC29140  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou High Lake Basins near English Peak; Marble Mtn. Widerness Area: SE side of Hancock Lake 1951 Comment
  RSA15796  Gnaphalium thermale C. B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi N of Gottville P. O. Comment
  HSC19394  Goodyera oblongifolia J. O. Sawyer 1968-6-18 176 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS24787  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6795 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek) 1432 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET6336347  Habenaria leucostachys W. B. C. 1937-1 Siskiyou Comment
  RSA238562  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards SE of Tom Taylor Cabin. 2027 Comment
  UCD119377  Hackelia californica R. Tofsrud; J. M. Tucker 1948-8-4 1783 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC78208  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  JEPS80498  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  RSA126300  Hackelia micrantha I. L. Wiggins 1955-7-29 13575 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek 1957 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  RSA68886  Hackelia setosa A. E. Culbertson 1943-7-3 70 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
  UC1222246  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou near Oregon-California State Line (on the Takilma-Happy Camp Road); Takilma-Happy Camp Road Comment
  SEINET10474688  Haplopappus bloomeri Mary Susan Taylor 1980-8-18 Taylor 3257 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  UC30106  Hastingsia alba Harley P. Chandler June 1901 1616 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC504616  Hastingsia alba anonymous no date on the lable. s.n. Siskiyou Siskiyou Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  CAS-BOT-BC306737  Helenium bigelovii Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  RSA261538  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  UC1483519  Helenium bigelovii John Palmer 1980-8-13 790 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  RSA696014  Helenium bigelovii Barbara Ertter, Julie Kierstead, James Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA298340  Helianthus annuus subsp. lenticularis J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  UC1191658  Heliotropium curassavicum Verne Grant and Irving Schneider 1947-8-26 8303 Siskiyou Lower Klamath Lake, alkali flats by Interstate Hwy. Lower Klamath Lake Comment
  JEPS75211  Hemitomes congestum W. B. & V. G. Cooke 1975-9-3 50497 Siskiyou Ash Creek area below timberline East side of Mt. Shasta 2286 Comment
  CAS-BOT-BC94810  Hemizonella minima R. C. Wenk 2005-6-17 165 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Cmpgrd. at S end of Big Flat Meadow 1517 Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  UC1400372  Heracleum lanatum Frederick W. Oettinger 1968-8-15 522 Siskiyou s.e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  CHSC91337  Hesperochiron californicus Lowell Ahart; John Dittes 2005-6-10 12105 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS1684  Hesperochiron californicus J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CHSC99585  Heuchera merriamii L. P. Janeway 2008-7-22 9447 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  HSC61970  Heuchera merriamii Al Hobart 16 Jul [year missing] Siskiyou Preston Peak Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC1333337  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou above Paradise Lake; Siskiyou Moauntains, Salmon Mt 1981 Comment
  CAS-BOT-BC312319  Hieracium John Thomas Howell 1939-8-2 14920 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29096  Hieracium albiflorum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1258 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake Basin 1890 Comment
  OBI55430  Hieracium albiflorum David J. Keil 1992-7-20 23489 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 2 mi S of Scott river rd 1000 Comment
  RSA142677  Hieracium gracile P. A. Munz 1960-8-22 24176 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  HSC74820  Hieracium horridum J. P. Smith, Jennifer Whipple 1978-7-2 9980 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  RSA238729  Hieracium horridum Frederick W. Oettinger 1969-7-28 1085 Siskiyou Gap SSW of Lower Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC897833  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC316011  Hieracium nudicaule H. M. Hall 1909-7-1 8677 Siskiyou Salmon River, Salmon Mountains 1584 Comment
  CAS-BOT-BC316033  Hieracium scouleri A. A. Heller 1905-6-22 8088 Siskiyou Along the railroad near Igerna Comment
  CAS-BOT-BC312950  Hieracium triste Wm. Bridge Cooke 1938-8-18 11500 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  CAS-BOT-BC280783  Holcus lanatus Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek, at Power House 822 Comment
  HSC29375  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou English Lake trail 1829 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  HSC44722  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-18 2907 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC69308  Holodiscus discolor Maralyn A. Renner 1980-7-24 1980 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA297038  Holodiscus discolor John F. Emmel 1974-7-19 515 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  RSA50153  Holodiscus discolor E. K. Balls 1949-7-10 13960 Siskiyou 8 miles from Sawyers Bar on way to Cecilville. 793 Comment
  CAS-BOT-BC152361  Holodiscus discolor var. discolor E. K. Balls 1949-7-10 13960 Siskiyou 8 miles from Sawyers Bar on the way to Cecilville 792 Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  CDA3419  Holosteum umbellatum J. T. Howell 1964-5-11 40699 Siskiyou Grenada. Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CHSC89329  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges. At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +- 10 mi S of Weed, near Mt. Shasta City. Comment
  RSA451652  Horkelia daucifolia Christopher Davidson 1975-6-5 2659 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CHSC48850  Horkelia fusca subsp. parviflora Vernon Oswald 1986-5-29 2074 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  HSC12273  Horkelia fusca var. brownii Richard Spjut 1970-7-18 471 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  CAS-BOT-BC536228  Horkelia fusca var. parviflora Annie M. Alexander; Louise Kellogg 1911-7-16 251 Siskiyou South Fork Salmon River 1524 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  JEPS116582  Horkelia tridentata subsp. tridentata Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (in area burned by Hotlum Fire Feb 2006; ca. 4 mi NE of Town of Weed) 1249 Comment
  CAS-BOT-BC201129  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC201125  Hosackia crassifolia Jessie P. Rose 1905-7-1 157 Siskiyou North side of Ashland Butte, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC201134  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  CAS-BOT-BC312573  Hulsea nana Elmer I. Applegate 1935-6-11 9515 Siskiyou Cinder crater of Cinder Cone near west boundary of Lava Beds National Monument Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC57395  Hymenoxys lemmonii J. G. Lemmon and wife 1889-7-26 Siskiyou Edgewood Comment
  CAS-BOT-BC312853  Hymenoxys lemmonii Elmer I. Applegate 1929-6-18 5736 Siskiyou Shasta Valley north of Edgewood Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  RSA211252  Hypericum formosum var. scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  RSA239013  Hypericum perforatum Frederick W. Oettinger 1966-7-30 s.n. Siskiyou Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  SEINET5344270  Hypericum scouleri G. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC206826  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  HSC61922  Ipomopsis aggregata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC164139  Ipomopsis aggregata Geo. D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek 1219 Comment
  UC726812  Ipomopsis aggregata A. A. Heller 1938-7-12 15250 Siskiyou 5 mi n Weed (along US Hwy 97) 1066 Comment
  HSC29285  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  RSA12495  Ipomopsis aggregata subsp. formosissima C. B. Wolf 1934-7-4 5942 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  RSA184739  Isatis tinctoria Gilbert Muth 1966-7-5 349 Siskiyou Lovers Camp, Marble Valley, Marble Mtns. 1250 Comment
  HSC28732  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1822 Comment
  UCR266170  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail, Paradise Lake 1865 Comment
  UC205420  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt. Eddy Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110016  Juncus W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UC842317  Juncus bufonius A. A. Heller 1916-6-20 12411 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC30686  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  CAS-BOT-BC110121  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley). 457 Comment
  UC637095  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 457 Comment
  HSC39873  Juncus ensifolius J. O. Sawyer 1969-7-23 1173 Siskiyou Near Horse Range Creek 1341 Comment
  JEPS66982  Juncus ensifolius Geo. D. Butler 1910-8-13 1832 Siskiyou Quartz Valley Comment
  UC1265482  Juncus ensifolius Frederick W. Oettinger 1968-9-7 749 Siskiyou n shore Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  RSA211362  Juncus ensifolius William J. Ferlatte 1967-8-17 950 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UC1538957  Juncus howellii W. J. Ferlatte 1987-7-7 2109 Siskiyou ca 1.6 mi e McCloud River R.R. (U.S.F.S. Rd 31); Bear Springs Area, Shasta Quad. 1508 Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  RSA238907  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1241 Siskiyou NNW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UC1265308  Juncus nevadensis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1241 Siskiyou nnw of Pine Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1882 Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  NY21382  Juniperus communis E. B. Copeland 1903-10-6 3782 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
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  CAS-BOT-BC81228  Juniperus occidentalis C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  UC401377  Juniperus occidentalis Geo. D. Butler 1908-9-6 226 Siskiyou dry land near Yreka Comment
  UC726032  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  HSC61178  Keckiella corymbosa Ruby Van Deventer 1960-7-14 Siskiyou Dillon Creek Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  RSA105437  Kelloggia galioides G. D. Barbe 1955-7-26 289 Siskiyou W of the summit of Scott Mtn. Near a grove of Abies magnifica. 2043 Comment
  RSA238883  Kelloggia galioides Frederick W. Oettinger 1968-8-10 464 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1936 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  RSA447646  Kelloggia galioides M. B. Dunkle 1945-1 9344 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD121978  Kelloggia galioides K. M. Meyer; A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd. A10/Everitt Memorial Hwy. 1805 Comment
  UCR37844  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mountain Wilderness Area. Trail to Marble Valley Guard Station Comment
  RSA93332  Kelloggia galioides F. W. Peirson 1923-7-19 4501 Siskiyou 16 miles S of Bray. Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC499656  Kopsiopsis strobilacea Thos. H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground north of Happy Camp on Indian Creek road 1219 Comment
  CAS-BOT-BC499660  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge W of China Creek 1066 Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  OBI55441  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  UC642553  Lactuca serriola W. B. Cooke 1939-8-4 17398 Siskiyou along Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC341698  Lagophylla ramosissima D. E. Breedlove 1962-6-11 3335 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  JEPS96695  Lathyrus lanszwertii var. aridus Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15984 Siskiyou ca. 4 air mi. s.w. Gazelle; Scott Mts., Yreka Ditch, Shasta Valley; ca. 4 air mi. s.w.; hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley 960 Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  JEPS55338  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1713 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  CHSC71567  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  CAS-BOT-BC88928  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  UC375301  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
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  CDA17127  Lepidium perfoliatum G. F. Hrusa, T. D. Wilfred 2001-6-5 15841 Siskiyou Shasta Valley; at northbound exit from I-5 at Louie Rd. 829 Comment
  JEPS88951  Lepidium virginicum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  UCD118777  Leptosiphon harknessii J. M. Tucker 1974-7-28 4328 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 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
  UC1034604  Leucanthemum vulgare Douglas Barbe 1955-6-29 46 Siskiyou 1.8 mi e of Callahan; Scott River 975 Comment
  UC1034584  Leucanthemum vulgare Douglas Barbe 1955-7-1 85 Siskiyou 6 mi s of Etna; Westside Road 883 Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CDA39355  Leucocrinum montanum F. D. Horn 1976-5-7 s.n. Siskiyou Grenada, Shasta Vista Estates. 0 Comment
  SEINET3887016 Image available Leucocrinum montanum D. E. Bright 1961-6-15 194 Siskiyou 5 miles west of Bray, California.; 0 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  HSC22284  Leucothoe davisiae J. O. Sawyer 1969-7-11 1335 Siskiyou S Sugar Creek 1829 Comment
  SEINET11990952  Leucothoe davisiae I. Knight, Knight, W. 1983-1 4934 Siskiyou Outflow of Cliff Lake.Upper Sacramento River watershed 1768 Comment
  RSA237467  Lewisia cotyledon Frederick W. Oettinger 1968-8-5 411 Siskiyou NE slope below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SEINET11942479  Lewisia cotyledon H. P. Chandler 1901-1 1594 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  HSC74920  Lewisia cotyledon var. cotyledon J. P. Smith, Jennifer Whipple 1978-7-2 9965 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC444044  Lewisia cotyledon var. cotyledon Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake [Cuddihy Lakes] Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  SEINET5324940  Lewisia leeana G. Butler 1910-8-8 1687 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC444424  Lewisia rediviva Roxana S. Ferris; Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC22268  Lewisia triphylla J. O. Sawyer 1969-7-3 1044 Siskiyou Near Lipstick Lake 1951 Comment
  CAS-BOT-BC283812  Leymus cinereus Geo. D. Butler 1909-6-19 839 Siskiyou Near Yreka Comment
  JEPS73739  Leymus cinereus George D. Butler 1908-6-25 483 Siskiyou Butler's Ranch near Yreka Comment
  POM112698  Leymus triticoides Geo D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  POM215709  Leymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  JEPS25815  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou trail above Whiskey Camp (Independence Creek); Independence Creek 1767 Comment
  CDA38347  Ligusticum grayi Gordon Leppig, Jennifer Kalt 1996-7-9 372 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  CAS-BOT-BC509387  Lilium kelleyanum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC1190146  Lilium pardalinum Ira L. Wiggins 1955-7-21 13425 Siskiyou 7 mi above Cecilville on South Fork Salmon River (near Mt. View Ranch); South Fork Salmon River 975 Comment
  UC164032  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CDA39353  Lilium pardalinum subsp. shastense T. C. Fuller 1960-7-25 4869 Siskiyou North limits Mt. Shasta City. 0 Comment
  RSA297886  Lilium pardalinum subsp. wigginsii W. L. Jepson 1937-7-30 18513 Siskiyou Fork of Dunn Creek, headwaters of the Illinois River, East Fork Comment
  CAS-BOT-BC132995  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers bar on rd. to Cecilville 1005 Comment
  UCR21115  Lilium vollmeri T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC133102  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 186 Siskiyou Mt. Shasta Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC278075  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir, Klamath Range (KR) 750 Comment
  JEPS58290  Linanthus ciliatus Willis L. Jepson Jul 24 1894-Aug 10 1894 20916 Siskiyou Sisson Comment
  JEPS58309  Linanthus ciliatus Geo. D. Butler 1908-8-6 105 Siskiyou se of Marble Mtn. (near summit) 1767 Comment
  UC537990  Linanthus ciliatus Louis C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Creek Siskiyou Mts. 1219 Comment
  CDA40099  Linanthus harknessii T. C. Fuller 1960-6-3 4614 Siskiyou East bank of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  HSC4906  Listera caurina J. O. Sawyer 1968-7-2 370 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC67670  Listera convallarioides John S. Palmer 1980-7-24 591 Siskiyou Elk Hole 1503 Comment
  UC845693  Listera convallarioides Alice Eastwood 1912-7-17 1173 Siskiyou Sisson Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  RSA697650  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  CAS-BOT-BC325944  Lithospermum californicum Elmer I. Applegate 1895-5-28 491 Siskiyou Eighteenth crossing SPRR [Southern Pacific Railroad] on Sacramento below Sisson. Comment
  HSC22214  Lomatium engelmannii J. O. Sawyer 1969-6-12 901 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC69021  Lomatium macrocarpum Maralyn A. Renner 1980-7-24 2013 Siskiyou Lily Pad Lake 1768 Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  UC190749  Lomatium nudicaule K. Brandegee Siskiyou Hornbrook Comment
  UC1552568  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2112 Siskiyou 5 1/2 mi NW of Weed (0.1 mi N of Edgewood Road on access road to Airport & Freeway Rest Area, E side of frontage road, 100 yds E of Hwy I-5) 893 Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  HSC39323  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-26 7389 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC240638  Lonicera hispidula Doris K. Kildale 1928-7-3 5428 Siskiyou Forks of Salmon on Salmon River Comment
  CDA42189  Lonicera interrupta F. D. Horn 1978-6-28 s.n. Siskiyou Long Gulch, Hawkinsville. 0 Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  SEINET3694633 Image available Lotus nevadensis var. douglasii Roxana S. Ferris, Laura Lorraine 1948-6-12 11866 Siskiyou 1 mile W of Gazelle Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC164340  Ludwigia palustris Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  CAS-BOT-BC342562  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  RSA78323  Luina hypoleuca P. A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans. 183 Comment
  JEPS85679  Lupinus Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC334794  Lupinus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  SD126363  Lupinus albicaulis subsp. shastensis P. Kenney, Conrad and LeDoux 1973-6-4 386 Siskiyou West side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  UC157017  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-3 372 Siskiyou Log Lake Log Lake, Shackleford Creek (Shackleford Creek) Comment
  RSA119549  Lupinus albicaulis var. shastensis C. P. Smith 1947-5-13 47277 Siskiyou 2.2 miles east of Weed. Comment
  RSA3846  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou On the banks of the Sacramento, a short distance above Shasta Springs. Comment
  OBI59147  Lupinus albifrons Rhonda Riggins 1993-6-16 1685 Siskiyou Greenhorn Park off Greenhorn rd in Yreka Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  UC727141  Lupinus arbustus A. A. Heller 1938-7-12 15260 Siskiyou on the old U.S. Highway #97 border of a meadow e Deer Mountain; e of Deer Mountain 1402 Comment
  SEINET10871220  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47276 Siskiyou 6.3 miles e of weed. Hwy 97 Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  CAS-BOT-BC215102  Lupinus croceus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou N slope of Scott Mountain 1158 Comment
  RSA372142  Lupinus croceus P. Kenney, Conrad, Dunn, O. Kenney 1973-6-4 384 Siskiyou Along road from Cecilville to Callahan; 6.4 mi W of Callahan. 1738 Comment
  POM10902  Lupinus latifolius subsp. viridifolius E. B. Copeland 1903-8-13 7306 Siskiyou Sisson Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CHSC69479  Lupinus lepidus var. sellulus James D. Jokerst 1992-7-30 3424 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC904774  Lupinus lepidus var. sellulus W. Bridge Cooke 1949-8-26 25674 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  SD121782  Lupinus lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou King's Castle [SBBG 47507, an apparent duplicate, adds Marble Mtns.] Comment
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Jul 11 2010
  RSA413777  Lupinus lyallii var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath National Forest, Marble Mts., Kings Castle. Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  HSC32760  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou W of English Lake 1799 Comment
  UC454945  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
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Nov 3 2007
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SEINET10895575  Lupinus vallicola subsp. vallicola Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 372 Siskiyou found along roadside . 7 mi S of junction at Etna Road on Hwy 3. Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  RSA215595  Luzula divaricata Gilbert Muth 1969-8-10 1329 Siskiyou Ridge west of Boulder Peak. 2348 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 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
  SEINET11799442  Machaeranthera canescens var. shastensis J. P. Tracy 1949-1 18564 Siskiyou in Scott Valley, 1 mi E of Etna 884 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC67034  Madia elegans J. P. Smith, Steve Selva 1970-6-15 3906 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC72347  Madia elegans J. P. Smith, Linda M. Barker, J. Cole 1976-7-29 8960 Siskiyou Etna Campground 671 Comment
  POM211185  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
  CAS-BOT-BC344541  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  RSA377698  Maianthemum racemosum M. B. Dunkle 1944-7-7 9082 Siskiyou Siskiyou National Forest Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  CHSC2310  Maianthemum stellatum M. Yoder 1941-7-21 Siskiyou Castle Lake. 1950 Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UCD139117  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  UC1026900  Melica bulbosa W. Bridge Cooke 1940-7-5 15296 Siskiyou above Wagon Camp; Mount Shasta 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
  UCD87010  Melica californica A. H. Murphy 1953-7-29 KNF 13 Siskiyou Klamath National Forest. Steavale Canyon, 1524 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  UCD87292  Melica fugax A. H. Murphy 1953-7-28 KNF 2 Siskiyou Deadman's Peak. 1828 Comment
  CAS-BOT-BC282075  Melica fugax A. A. Heller 1921-7-7 13518 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  CAS-BOT-BC281387  Melica harfordii Alice Eastwood 1923-5-27 11960 Siskiyou Shasta Springs Comment
  CDA30915  Melilotus albus M. Beyers, G. F. Hrusa 2010-8-18 704 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  UCD77990  Micranthes aprica Robert E. Preston 2001-6-23 1602 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  CAS-BOT-BC429034  Micranthes nidifica Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  HSC68499  Microseris nutans Maralyn A. Renner 1980-6-22 901 Siskiyou Slopes N of Little Shasta River 1372 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 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
  UC1034025  Mimulus breweri Francis W. Pennell 1940-7-19 26197 Siskiyou Ashy meadow Mount Shasta 1981 Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  SEINET13710779  Mimulus evanescens Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9359 Siskiyou NE of Weed, E of Grass Lake, W of Bray on Old State Hwy 0.8 Mi. E of Tennant Rd. (T44N, R1W, SW 1/4 sec 20) 4650 Ft. 1417 Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  RSA211435  Mimulus guttatus William J. Ferlatte 1967-8-21 1075 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. 2134 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  UC1736262  Mimulus jepsonii Dean W. Taylor 1987-6-7 9020 Siskiyou South end Saddle Hills 1645 Comment
  JEPS8209  Mimulus layneae W. L. Jepson 1914-8-14 6169 Siskiyou Dunsmuir 670 Comment
  JEPS74556  Mimulus lewisii W. J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  SBBG19766  Mimulus moschatus H. and M. Dearing 1938-6-29 2188 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  HSC42944  Mimulus moschatus var. moniliformis J. O. Sawyer, Ken Stillman 1976-7-1 2780 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  JEPS82468  Mimulus nanus var. nanus Gilbert Muth 1966-7-8 374 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC23583  Mimulus primuloides J. O. Sawyer 1969-8-4 1908 Siskiyou Above S Sugar Lake 2043 Comment
  UC70445  Mimulus primuloides subsp. linearifolius Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  UC1409384  Mimulus primuloides subsp. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak (w Siskiyou Co., high lake basins in vicinity of English Peak) 2186 Comment
  RSA59504  Mimulus suksdorfii E. K. Balls 1950-5-16 14710 Siskiyou Caldwell Butte, east slope. Lava Beds National Monument. 1646 Comment
  JEPS77494  Mimulus tricolor Susan Horner 1978-6-30 400 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  CAS-BOT-BC433062  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  RSA211101  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC99251  Mitella trifida G. L. Clifton 1979-7-1 6176 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC69290  Monardella odoratissima Maralyn A. Renner 1980-7-24 1947 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  CAS-BOT-BC222029  Monardella odoratissima subsp. glauca Alice Eastwood 1923-5-23 11914 Siskiyou Cantara, S.R.R.R. Comment
  CAS-BOT-BC222034  Monardella odoratissima subsp. glauca Peter H. Raven 1956-9-4 10379 Siskiyou Ridges s. of Mt. Eddy 2286 Comment
  CAS-BOT-BC220357  Monardella odoratissima subsp. pallida Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC220230  Monardella sheltonii Doris K. Kildale 1929-7-20 8544 Siskiyou Trail up South Fork Indian Creek near Gilmore's Comment
  UC637109  Monardella siskiyouensis Annetta Carter 1934-8-12 695 Siskiyou near mouth Walker Creek (n side of river, n side of valley); Klamath River, Seiad Valley 426 Comment
  HSC30571  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Marble Mountains Wilderness Area. Trail between Diamond Lake and Hancock Lake 2012 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 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
  HSC64312  Montia diffusa J. P. Smith 1973-5-5 6454 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  CDA23980  Montia linearis Vernon H. Oswald & Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  HSC64309  Montia parvifolia J. P. Smith 1976-5-5 8706 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC77052  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UCD86406  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  UCD37083  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  HSC30600  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Marble Mtn. Wilderness Area, SW of Wire Grass Meadow, near Upper English Lake. 1677 Comment
  RSA239107  Muhlenbergia montana Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1168 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  UC107202  Nama lobbii Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 207 Siskiyou Mt. Shasta Comment
  HSC12279  Narthecium californicum Richard Spjut 1970-7-17 450 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  JEPS69511  Navarretia capillaris Ruby Van Deventer 1938-7-31 267 Siskiyou Poker Flat , Poker Flat (w Siskiyou Mts.) Comment
  UCD77738  Navarretia capillaris Robert E. Preston 2002-7-12 1916 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  HSC44289  Navarretia intertexta J. P. Smith, Steve Selva 1970-8-8 4551 Siskiyou Juanita Lake Comment
  UC1094397  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5933 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  HSC79091  Navarretia intertexta Paul Wilson 1984-9-1 377 Siskiyou Juanita Lake Reservoir 1555 Comment
  CHSC4542  Navarretia leptalea J. E. Bowlin 1967-7-18 65 Siskiyou On roadside, ca. 6 mi w of Mount Shasta Ski Bowl. 1828 Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  RSA565358  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-28 84 -17 Siskiyou Highway 3, 5.4 miles south of junction with Callahan-Gazelle Road, 0.9 miles north of Scott Mountain summit. 1494 Comment
  JEPS120221  Navarretia sinistra subsp. sinistra Julie Kierstead Nelson 2011-8-23 2011 -43 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  CDA40364  Nemophila heterophylla T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  RSA47797  Nemophila parviflora var. parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11739 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  JEPS12279  Nicotiana attenuata W. L. Jepson 1940-6-23 19989 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC60573  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC592  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska Summit 2134 Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  JEPS84081  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6402 Siskiyou 5 mi n of town of Seiad Valley (above and w of Lily Pad Lake) 1850 Comment
  RSA181897  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Rd, 30.1 miles from Klamath Highway. (western Siskiyou Co.) Comment
  CAS-BOT-BC400118  Nuphar polysepala Doris K. Kildale 1929-7-20 8663 Siskiyou Raspberry Lake, east spur Preston Peak 1981 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  UC164310  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  UC164241  Olsynium douglasii var. douglasii Geo. D. Butler 1909-3-14 561 Siskiyou hills near Yreka Comment
  CDA7552  Onopordum acanthium William J. Ferlatte, M. Miller 1971-6-19 1362 Siskiyou Seldom Seen Ranch, 0.5 mile in from Big Springs Road, about 2 miles north of entrance to Lake Shastina. 0 Comment
  HSC96301  Oreostemma alpigenum Gordon Leppig 1998-8-14 1013 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UCD77890  Orobanche fasciculata Robert E. Preston 2001-7-21 1740 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  JEPS82725  Orogenia fusiformis Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km. s.w. Mt. Shasta City (above Castle Lake) 1981 Comment
  RSA0083200  Orthilia secunda H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4421 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  RSA211401  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine, Trinity Alps. 1982 Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC195192  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1911-7-16 256 Siskiyou S Fk Salmon River Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  RSA99683  Orthocarpus lacerus W. A. Weber, L. S. Rose 1953-5-22 8459 Siskiyou 3 miles north of Weed. 1128 Comment
  NY90857  Orthocarpus pachystachyus E. L. Greene 1876-5-26 s.n. Siskiyou Comment
  JEPS15927  Osmorhiza berteroi W. L. Jepson July, 1894 14253 Siskiyou Sisson Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 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
  RSA237404  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou East bank of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  HSC2365  Oxyria digyna William J. Ferlatte 1966-8-19 442 Siskiyou Head of Kidd Creek 2287 Comment
  UC922365  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-28 5888 Siskiyou Marble Mountains Sky High Valley; , Sky High Valley 1767 Comment
  HSC313  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mountain summit 2470 Comment
  HSC90560  Packera cana Jennifer Whipple 1976-7-1 1226 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC317128  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1934-4-20 1782 Siskiyou near Gazelle Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CAS-BOT-BC175511  Parnassia fimbriata Gilbert J. Muth 1969-8-11 1361 Siskiyou Slope beneath high point of ridge s. of Boulder Peak Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA232380  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou E-facing slope due W of Horse's Hole - a pond above Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA47641  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11753 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC719806  Paxistima myrsinites Rogers McVaugh 1941-8-4 6235 Siskiyou banks of Sacramento R. n. of Shasta Retreat Comment
  UCSB25631  Paxistima myrsinites Favero, R. 1968-5-15 Siskiyou Old Highway 99, 6 miles south of Weed, Cascade Mountains; at base of Black Butte 1188 Comment
  JEPS124777 Image available Paxistima myrsinites Lynne C. Carter 1967-7-12 102 Siskiyou ca. 1/4 mile west of entrance to Fowler Campground. On rocky cliff above McCloud River. Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  SJSU6539  Pedicularis contorta R. W. Trivelpiece 1973-6-28 156 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC29243  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Marble Mtn. Wilderness Area, E edge of base camp meadows, near English lake 2012 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  RSA87592  Pellaea brachyptera Arthur R. Kruckeberg 1951-9-3 2802 Siskiyou On open dirt road above Joe Spini Ranch, just west of town of Mount Shasta, across river, between Wagon Creek and Deer Creek Bridges Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  JEPS45933  Penstemon cinereus Rimo Bacigalupi and L. R. Heckard 1966-6-13 9177 Siskiyou along Bolam Logging Road (n base of Mt. Shasta); , along Bolam logging road 1432 Comment
  JEPS47721  Penstemon cinereus W. B. and V. G. Cooke 1966-7-16 37215 Siskiyou above Bolam Station (along old logging road); Mt. Shasta 1524 Comment
  UC1586909  Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  CAS-BOT-BC265367  Penstemon davidsonii var. davidsonii R. H. Bolimannsou 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  CHSC1859  Penstemon davidsonii var. davidsonii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  LA209521  Penstemon davidsonii var. davidsonii W. B. C.; 1939-7-13 13639 Siskiyou Mount Shasta, Gray Butte saddle 2285 Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  CHSC110959  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-28 1664 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  UC1017723  Penstemon deustus var. suffrutescens Marion Ownbey and Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi nw Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  UCSB27392  Penstemon gracilentus Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 2895 Comment
  NY601602  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou Fowlers Camp, McCloud River, 6 miles east of McCloud 975.4 Comment
  UC625483  Penstemon heterodoxus var. shastensis Frank W. Gould 1938-6-28 486 Siskiyou n of Mount Shasta (where U.S. 97 crosses Butte Creek); Butte Creek 1417 Comment
  RSA17740  Penstemon humilis var. humilis Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  HSC63255  Penstemon laetus subsp. sagittatus M. A. Baker 1979-7-31 1096 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  RSA78839  Penstemon laetus subsp. sagittatus Philip A. Munz 1952-7-2 17917 Siskiyou Road to Baldy Mtn, ca 6 miles by air west of Happy Camp, Siskiyou Mtns. Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  RSA29475  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  JEPS5707  Penstemon newberryi var. newberryi W. L. Jepson Jul 1894 21414 Siskiyou Muir Peak ((Black Butte), Sisson Comment
  HSC69145  Penstemon parvulus Maralyn A. Renner 1980-8-8 2472 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC705758  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou summit of Cayenne Ridge , summit of Cayenne Ridge (Marble Mt.) Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  UC1238923  Penstemon parvulus Freed W. Hoffman 1950-7-11 3485 Siskiyou Cedar Camp road 19.5 mi from Klamath Highway (western Siskiyou County); North Coast Ranges Comment
  HSC19234  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-8-2 1701 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  JEPS19694  Penstemon procerus var. formosus Peter H. Raven 1956-9-4 10420 Siskiyou summit of Mt. Eddy 2758 Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  HSC71133  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1978-7-24 4495 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  HSC69240  Penstemon rupicola Maralyn A. Renner 1980-9-1 2703 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  RSA120922  Penstemon shastensis Wagnon 1957-8-11 1687 Siskiyou East slope of Mt Shasta on rd to Brewer Crk, 3 mi W of Military Pass Rd. Comment
  UC1037452  Penstemon speciosus Douglas Barbe 1955-7-1 678 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  SEINET12267134  Penstemon speciosus H. M. Hall, Babcock, E. B. 4071 Siskiyou Mount Shasta, above Sisson 1067 Comment
  SBBG25821  Perideridia gairdneri D. Myrick 1966-8-13 1550 Siskiyou below Mountain Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  CAS-BOT-BC540345  Perideridia gairdneri subsp. gairdneri Dana York 2011-9-8 3089 Siskiyou Marble Mountain Wilderness: Klamath National Forest, slopes of Kings Castle 2175 Comment
  HSC29421  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just N of Tobacco Lake along the trail from the W end of Hancock Lake 1890 Comment
  HSC96875  Perideridia parishii subsp. latifolia Gordon Leppig 1997-8-23 670 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC423346  Peritoma platycarpa Mrs. Brandegee No date on label s.n. Siskiyou Unspecified Comment
  HSC74832  Persicaria amphibia J. P. Smith, J. O. Sawyer 1978-7-3 10001 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SD53409  Persicaria maculosa Darley F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96 518 Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  JEPS69763  Phacelia cookei W. B. and V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Rd Mt. Shasta 1524 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
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  RSA145151  Phacelia dalesiana Dorothy Parker 1958-6-9 s.n. Siskiyou Summit of Scott Mountain. 1631 Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  JEPS109690  Phacelia greenei Dean W. Taylor 2002-6-10 18130 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek along Forest Road 40N40 1005 Comment
  HSC97881  Phacelia hastata Juha Pykala, D. H. Norris 1987-7-8 2424 Siskiyou Little Medicine Lake, S and W sides between lake and the rd. 2043 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  JEPS105229  Phacelia heterophylla subsp. virgata Dean W. Taylor 1995-6-25 15114 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  UC164135  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-6-23 409 Siskiyou near Yreka (along creek) Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  UC60951  Phacelia heterophylla subsp. virgata Geo. B. Grant September 1902 5174 Siskiyou Sisson Mt. Shasta 914 Comment
  UC726921  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou on US Hwy 97 near western base of Deer Mountain Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  JEPS82726  Phacelia humilis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2133 Comment
  OBI13758  Phacelia leonis Unknown 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 mi SW of Poker Flat, Siskiyou Mtns 1554 Comment
  CDA40406  Phacelia linearis R. Richards & D. Janssen 1978-5-25 s.n. Siskiyou Northeast of Weed at Yellow Butte. 0 Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UCD88525  Phalaris arundinacea B. A. Madson Date Unknown s.n. Siskiyou 3 miles N of Tulelake. 1219 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  UC909474  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest Comment
  UCSB13234  Philadelphus lewisii Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC196936  Phleum pratense Geo. D. Butler 1908-6-25 1094 Siskiyou along creek near Yreka Comment
  HSC43548  Phlox adsurgens Pete Karp 1975-7-10 Siskiyou Happy Camp Forest Campground Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  POM255931  Phlox diffusa subsp. diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  POM75068  Phlox diffusa subsp. diffusa Geo D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1677 Comment
  POM202878  Phlox hirsuta J. T. Howell, Alice Eastwood 1934-4-20 1751 Siskiyou Near Yreka on Fort Jones Road Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA256699  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along Forest Service Road 47N03 1524 Comment
  RSA259573  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  HSC37541  Phoradendron bolleanum J. P. Smith 1974-5-27 7604 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  CAS-BOT-BC384651  Phyllodoce empetriformis Andrew Townesmith; Karen M. Meyer 2007-7-30 875 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC142759  Phyllodoce empetriformis J. W. Congdon 1900-8-13 Siskiyou Mount Shasta Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC60768  Physaria occidentalis John Thomas Howell 1939-8-4 15053 Siskiyou Marble Rim. 1889 Comment
  HSC91034  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-30 1186 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  HSC38584  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  HSC67756  Picea breweriana John Palmer 1980-7-24 578 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  NY29986  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
  POM267223  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou Marble Mountain, summit of Cayenne Ridge on W side. Comment
  CAS-BOT-BC73434  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  CAS-BOT-BC73437  Picea engelmannii Dorothy Parker 1962-9-19 s.n. Siskiyou Siskiyou Mountains - Horse Range Creek, Salmon Mountains. 1676 Comment
  NY30143  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1076376  Picea engelmannii B. C. Goldsmith 1930-9-3 Siskiyou tributary to Scott Valley; French Creek Comment
  JEPS104987  Pinguicula vulgaris subsp. macroceras Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15854 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  JEPS88716  Pinus attenuata W. L. Jepson 1902-7-1 Siskiyou Trinity Summit to Salmon Summit; Devil's Backbone Comment
  UC1409508  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou talus slope on ridge nw of Horse Range Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC400301  Pinus attenuata Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  NY34629  Pinus attenuata F. M. Ownbey 1940-7-7 2219 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
  NY579172  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1980210  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-7-21 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  HSC26224  Pinus jeffreyi J. P. Smith, J. O. Sawyer 1972-5-27 5359 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  HSC31507  Pinus monticola Steve Selva, Roger Jensen 1974-8-16 19 Siskiyou N shore of Sugar Lake. Comment
  UC1409483  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou nw of English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  SEINET8274193  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley. Comment
  JEPS64400  Platanthera leucostachys Willis L. Jepson 1894-8-4 21274 Siskiyou Mt. Shasta Comment
  CDA39508  Platanthera leucostachys T. C. Fuller 1966-5-26 14715 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC642559  Platanthera sparsiflora W. Bridge Cooke 1939-7-7 13612 Siskiyou Sedge Bog at Wagon Camp Mount Shasta 1737 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC136655  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Field redacted by CAS, contact the data manager for more information 1792 Comment
  SEINET3162860  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  UC144655  Poa X fibrata A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  SEINET8221444  Poa bolanderi Harley P. Chandler 1901-1 1703 Siskiyou Shackleford Canon; near Marble Mountain. 1829 Comment
  UC450468  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou RR Station Montague Comment
  CAS-BOT-BC255056  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  UCD90924  Poa cusickii subsp. epilis Rimo Bacigalupi 1959-7-1 7197 Siskiyou above Mt. Shasta Ski Bowl Lodge; southwestern slopes of Mt. Shasta. 2834 Comment
  CAS-BOT-BC247012  Poa nervosa Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1524 Comment
  CDA2362  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2634 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC73356  Poa pratensis Gail Newton 1980-6-20 448 Siskiyou Near Bald Mtn. 1097 Comment
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC247525  Poa pringlei Gilbert J. Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  CAS-BOT-BC237706  Poa secunda Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Welll, Lava Beds National Monument Comment
  JEPS116631  Poa secunda Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -007 Siskiyou North side of Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  RSA211228  Poa secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  HSC69009  Poa secunda subsp. secunda Maralyn A. Renner 1980-7-24 2034 Siskiyou Lily Pad Lake 1768 Comment
  HSC92029  Poa secunda subsp. secunda Jennifer Whipple 1976-6-23 1107 Siskiyou Mount Eddy, drainage into the N Fork of the Sacramento River. 2256 Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  JEPS69907  Polemonium micranthum Geo. D. Butler 1909-3-16 557 Siskiyou Yreka Comment
  CAS-BOT-BC231355  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  UC602586  Polemonium pulcherrimum W. Bridge Cooke 1938-9-8 11646 Siskiyou Mt. Shasta 2468 Comment
  RSA17731  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner s Ranch on old road to Lava Beds, near north boundary of the National Monument Comment
  CAS-BOT-BC74172  Polyctenium fremontii H. D. Thiers 1969-5-5 23307 Siskiyou Red Rock Valley, north of Mount Shasta off Highway 97 between Weed and Dorris. Comment
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  RSA120791  Polygonum bistortoides S. S. Tillett 1956-7-9 658 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  SEINET3160303  Polygonum bistortoides G. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek 1219 Comment
  JEPS50521  Polygonum convolvulus W. L. Jepson July, 1894 14804 Siskiyou Sisson Comment
  RSA237799  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  RSA237771  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Trail side above Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC101466  Polygonum douglasii subsp. majus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13002 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  UC171041  Polygonum douglasii subsp. spergulariiforme Dr. E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook Comment
  RSA466401  Polygonum kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  HSC2397  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  RSA183429  Polygonum minimum J. M. Tucker 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 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
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  UCD100656  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake. Comment
  UC725786  Polygonum shastense A. A. Heller 1939-7-31 15433 Siskiyou Panther Meadow Mt. Shasta (border) Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  CHSC4287  Polystichum imbricans D. Parker 1965-6-10 885 Siskiyou South Fork of Scott River. 1524 Comment
  HSC69311  Polystichum imbricans Maralyn A. Renner 1980-7-24 1971 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA237502  Polystichum imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou In granitic rock on a hot dry site, boulder area due north of the English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  UC618733  Polystichum imbricans subsp. imbricans W. Bridge Cooke 1938-9-2 11594 Siskiyou along Sisson Southern Trail Mt. Shasta Comment
  JEPS95341  Polystichum lemmonii Vernon H. Oswald and Lowell Ahart 1994-7-11 6404 Siskiyou W of Dunsmuir (Gumboot Lake Rd (40N37) just off Forest Rd (to Mt Shasta)) 1777 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  UC405222  Polystichum lemmonii J. G. Lemmon 1879-7-23 Siskiyou Scott Valley near Shasta Scott Valley Comment
  CAS-BOT-BC76715  Polystichum lemmonii Mrs L. O. Hodgkins s.n. Siskiyou Mt. Shasta Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  SEINET10793990  Polystichum lemmonii George Yatskievych, Kay Yatskievych 1988-8-25 Yatskievych 88 -204 Siskiyou 1.3 miles N of Park Creek Crest on paved Forest Service Road 42N17, SW of Weed. T41N R06W S33 NW4. 2000 Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 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
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
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Jan 13 2007
  SJSU6266  Polystichum munitum R. W. Trivelpiece 1971-8-23 75 Siskiyou W side of Scott River c. 6 mi SW of Scott Bar, Marble Mts. 914 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  CAS-BOT-BC72512  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  UC1134798  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring; Shasta National Forest, Dunsmuir Quad., Widow Spring Comment
  SEINET10836817  Potamogeton filiformis var. alpinus Katherine L. Morris 1973-6-2 Morris 345 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  CAS-BOT-BC453749  Potamogeton natans Alice Eastwood 1912-7-21 1284 Siskiyou Sisson Comment
  UC1100073  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mi w of Tulelake Comment
  CHSC71325  Potentilla anserina subsp. anserina Vernon H. Oswald; Lowell Ahart 1998-6-11 9212 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  RSA211173  Potentilla breweri var. breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA237618  Potentilla breweri var. breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  UC1607535  Potentilla drummondii subsp. breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9365 Siskiyou Ca 1 mi E of Toad Lake at head of Middle Fork Sacramento River ca 8 air miles W of Mt Shasta City. 1981 Comment
  UC618832  Potentilla flabellifolia W. Bridge Cooke 1938-9-8 11626 Siskiyou Springs in the South Gate , Springs in the South Gate (Mount Shasta) Comment
  RSA184696  Potentilla glandulosa Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET3156934  Potentilla glandulosa var. nevadensis F. M. Reed 1908-7-13 2534 Siskiyou near old Loy cabin N side of Tak Quartz Valley. San Jacinto Mts. 2621 Comment
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Dec 7 2014
  CAS-BOT-BC540552  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  UCD113806  Potentilla millefolia M. V. Maxwell 1941-6-25 s.n. Siskiyou 14 mi. E. of Montague. 914 Comment
  CAS-BOT-BC143317  Potentilla newberryi Lillian S. Mott 1967-7-2 LM 6761 Siskiyou Along highway near Dorris 1524 Comment
  CHSC71326  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow near the edge of the lake. 1402 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  HSC69092  Prunella vulgaris Maralyn A. Renner 1980-8-4 2225 Siskiyou Flint Valley 1390 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  CAS-BOT-BC158223  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CAS-BOT-BC158231  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mile north of Entrance to Shasta Springs 914 Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  LA208061  Prunus emarginata W. B. C.; 1938-6-17 11061 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  CAS-BOT-BC151237  Prunus virginiana var. demissa John Thomas Howell 1934-7-4 12407 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC29409  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbotts lake 1860 Comment
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  UC1409341  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou along English Lake trail (above Willow Spring, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  UCD91496  Pseudoroegneria spicata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3397 Siskiyou 7 miles N of Weed. Comment
  CDA32663  Pseudoroegneria spicata F. D. Horn 1977-5-6 Siskiyou Highway 263, Shasta River Canyon near Yreka. 0 Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  RSA47994  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris, Laura Lorraine 11795 Siskiyou Scott Mountain Road south of Callahan Comment
  CHSC86667  Pseudostellaria jamesiana Jenny Marr 1993-7-1 50 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC506  Pseudostellaria jamesiana William J. Ferlatte 1967-6-27 535 Siskiyou Big Flat 1524 Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC80174  Pseudotsuga menziesii Doris K. Kildale 1929-4-27 7559 Siskiyou Cecilville Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  UC1601293  Psilocarphus oregonus T. S. Brandegee Siskiyou Edgewood Comment
  CAS-BOT-BC361905  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath River at Cherry Flat, Siskiyou Mts. 518 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UCD78117  Pteridium aquilinum var. pubescens Robert E. Preston 2001-6-30 1662 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UC375216  Pterospora andromedea Geo. D. Butler 1908-6-28 21 Siskiyou Quartz Valley Comment
  UC566809  Pteryxia terebinthina var. californica Frank W. Peirson 1923-7-19 3951 Siskiyou Whitney Cr.foot of Mt Shasta Comment
  RSA48587  Purshia tridentata var. tridentata Philip A. Munz 1949-5-18 13311 Siskiyou 2 miles SW of Gazelle 1463 Comment
  SBBG27229  Purshia tridentata var. tridentata L. C. Wheeler 1935-6-13 3571 Siskiyou Mill Crk, Quartz Valley 944 Comment
  UC1128548  Purshia tridentata var. tridentata H. A. Jensen 1933-8-7 341 Siskiyou adjoining Black Butte; Shasta National Forest, Dunsmuir Quad. 1188 Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  HSC69042  Pyrola dentata Maralyn A. Renner 1980-8-7 2351 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  SD112140  Pyrola picta Darley F. Howe 1962-8-4 3390 Siskiyou Baldy Mt. 1524 Comment
  SJSU2586  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr. & W Branch Indian Cr, Siskiyou Mts Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  UCD77971  Pyrola picta Robert E. Preston 2001-7-20 1676 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  CAS-BOT-BC466142  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC362268  Pyrrocoma carthamoides var. cusickii J. D. Jokerst 1981-8-18 1462 Siskiyou East side of USFS logging road between road and canyon bottom 1249 Comment
  CHSC78495  Pyrrocoma racemosa var. pinetorum Vernon H. Oswald 2000-8-28 9960 Siskiyou Hwy 3 2.2 mi north of Scott Mtn. Summit. 1411 Comment
  HSC70458  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer 1976-9-5 8971 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC94651  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon 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
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC767803  Quercus garryana Wm. H. Brewer 1862-1 1462 Siskiyou near Shasta Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  UC1408907  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou e side, vicinity of English Peak, w Siskiyou County Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1722 Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC105462  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  HSC27626  Quercus kelloggii Carl W. Mize 1972-8-17 105 Siskiyou Near Gates Creek 366 Comment
  POM166670  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  CAS-BOT-BC104347  Quercus sadleriana Reino Olavi Alava; Aloha Alava; Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  OBI14235  Quercus sadleriana Reino Alava, Aloha Alava, Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the jctn of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  UCD47225  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte- Siskiyou county line, California. Comment
  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  RSA82852  Quercus sadleriana J. M. Tucker, R. Tofsrud 1948-8-3 1779 -C Siskiyou Summit of Happy Camp - O'brien (Oregon) road. On Del Norte-Siskiyou county line. 1555 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  SEINET13953860 Image available Quercus sadleriana D. K. Bailey 1972-1 Siskiyou Understory shrubs beneath Picea breweriana, cf. NE slope above O'Brien to Happy Camp road 1311 Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104635  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  CAS-BOT-BC104639  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  CDA22067  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo Road;. 0 Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  UCD47422  Quercus vacciniifolia A. T. Leiser 1968-8-3 s.n. Siskiyou Castle Lake campground, Siskiyou Co. Comment
  UC827588  Ranunculus alismifolius var. alismifolius Frank W. Gould 1940-5-14 1225 Siskiyou 11 mi w highway U.S. 97 (on road to Montague); Bull Meadows 1676 Comment
  UC1733729  Ranunculus aquatilis Kay H. Beach, Frank Gould 1940-5-15 619 Siskiyou Bull Meadows Comment
  UC165955  Ranunculus eschscholtzii var. suksdorfii Geo. D. Butler 1908-8-5 349 Siskiyou summit above Cold Spring; Wooly Creek Comment
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  UC827914  Ranunculus occidentalis Frank W. Gould 1940-5-15 1252 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  CAS-BOT-BC53736  Rhododendron columbianum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake 1981 Comment
  JEPS58760  Rhododendron occidentale W. L. Jepson 1914-8-14 6165 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC200668  Rhus aromatica Geo. D. Butler 1910-6-29 1615 Siskiyou Near Yreka Comment
  POM127811  Rhus trilobata var. quinata L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC92543  Ribes binominatum L. E. Smith 1913-4-10 68 Siskiyou Yreka. Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  POM215880  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., 1677 Comment
  CAS-BOT-BC108780  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou Southwest end of Little Shasta Valley, 12 miles northeast Weed on U.S. Highway #97 at junction with road to Montague. 883 Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  JEPS49416  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  CAS-BOT-BC173292  Ribes lacustre Annetta Carter 1934-8-13 709 Siskiyou Watershed of West ranch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA0021109  Ribes lacustre M. B. Dunkle 1944-7-26 9039 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  RSA0021145  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC212480  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  JEPS105033 Image available Ribes nevadense Dean W. Taylor 1996-7-11 15784 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  RSA0022719  Ribes nevadense var. glaucescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  CAS-BOT-BC199995  Ribes roezlii var. cruentum Carl B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC199999  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-25 5907 Siskiyou Mack's Creek, Klamath River near Hamburg Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  RSA0024595  Ribes roezlii var. cruentum Louis C. Wheeler 1935-5-12 3491 Siskiyou Greenhorn Creek, Siskiyou Mts. 915 Comment
  UCD78094  Ribes roezlii var. roezlii Robert E. Preston 2001-6-23 1570 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS49243  Ribes sanguineum Geo. D. Butler 1909-4-25 671 Siskiyou Quartz Valley Comment
  CAS-BOT-BC144509  Ribes sanguineum var. sanguineum Annetta Carter 1934-8-13 707 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  HSC65618  Ribes sanguineum var. sanguineum J. P. Smith, Steve Selva 1970-6-16 4078 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  CAS-BOT-BC362933  Rigiopappus leptocladus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53423 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  HSC29245  Romanzoffia sitchensis Frederick W. Oettinger 1968-9-1 650 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's Lake 1799 Comment
  RSA597966  Romanzoffia sitchensis Louis C. Wheeler 1963-8-31 8321 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  RSA240074  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-21 1480 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM277827  Rosa brownii H. E. Brown 1897-6-1 349 Siskiyou Near Mt. Shasta. 1829 Comment
  CAS-BOT-BC147460  Rosa californica William A. Dayton 1913-9-14 584 1/2 Siskiyou Shasta National Forest, E. Fk. of Scott River Range along trail up Rail Creek 1463 Comment
  CAS-BOT-BC146764  Rosa gymnocarpa Geo. B. Grant 1902-9-15 s.n. Siskiyou Dunsmuir Comment
  HSC19384  Rosa gymnocarpa J. O. Sawyer 1968-7-10 487 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC73277  Rosa gymnocarpa Gail Newton 1980-6-20 475 Siskiyou Near Bald Mtn. 1097 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 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
  CAS-BOT-BC147069  Rosa pisocarpa A. A. Heller 1919-6-20 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC43137  Rosa rubiginosa Ken Stillman 1976-8-24 414 Siskiyou E and N slopes of Williams Point 366 Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  HSC96406  Rubus lasiococcus Gordon Leppig, J. Kalt 1996-7-9 363 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 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
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC147309  Rubus parviflorus Gilbert J. Muth 1969-8-10 1353 Siskiyou Red Mountain Ridge Comment
  HSC31131  Rudbeckia occidentalis J. O. Sawyer 1971-8-20 2459 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  RSA68896  Rumex acetosella A. E. Culbertson 1943-7-12 61 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC375325  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  RSA237867  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-9-5 1688 Siskiyou South side of David Mt., Abbotts Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC29617  Sagina saginoides Frederick W. Oettinger 1969-9-5 1688 Siskiyou Marble Mtn. Wilderness Area, S side of Davis Mt., Abbotts Lake region 1677 Comment
  CAS-BOT-BC267084  Sagittaria Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain Comment
  CAS-BOT-BC102816  Salix boothii John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  HSC41036  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou N of High Lake 2043 Comment
  HSC67667  Salix eastwoodiae John Palmer 1980-7-24 587 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA238013  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Near Horse's Hole. Horse Range Lake Basin. The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC43051  Salix exigua var. hindsiana Ken Stillman 1976-8-24 442 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC481745  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou 125 km n Red Bluff (Pit River at Gibson flag station (R.R. stop Sta.)) 450 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  HSC27474  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 5365 Siskiyou 5 mi. S of Etna on Hwy. 3 915 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
  UC481728  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  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-BC125462  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC107060  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1455 Comment
  UC375238  Salix lasiolepis Geo. D. Butler 1908-7-19 153 Siskiyou head of gulch near Yreka; Long Gulch Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC482237  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metaclf ranch house); n.e. side Mt. Eddy 1425 Comment
  CAS-BOT-BC124546  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-7-1 5322 Siskiyou Forks of Salmon - Salmon River Comment
  CAS-BOT-BC124895  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  POM219905  Salix lemmonii H. P. Bracelin 1931-6-21 467 Siskiyou N side of Mount Eddy. About 21 km NW of Shasta City. 180 m below Dobkin's Lake. 1770 Comment
  POM107047  Salix lucida subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek. Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  CAS-BOT-BC125685  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC125932  Salix prolixa L. E. Smith 1914-3-18 587 Siskiyou Yreka Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  SBBG57975  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC481713  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC129043  Salix scouleriana W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  RSA12668  Salvia sonomensis Carl B. Wolf 1934-7-6 6026 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  JEPS95183  Salvia virgata Liz Parsons Aug 1998 s.n. Siskiyou along Ager Beswick Road, eastern Siskiyou County Ager Beswick Road Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  JEPS84044  Sanicula graveolens L. R. Heckard with J. Hickman et al. 1986-7-17 6455 Siskiyou ca. 5 mi. n. town of Seiad Valley (ridge e. of Kangaroo Peak, s. of Lily Pad Lake) 1900 Comment
  SEINET3240202  Santalaceae R. L. Mathiasen 2003-1 2003 -50 Siskiyou 0.7 km S of Eaton Lake, Russian Peak Wilderness 1900 Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 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
  POM92222  Saxifraga californica Geo. D. Butler 1909-4-25 583 Siskiyou Quartz Valley. Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  RSA237246  Saxifraga mertensiana Frederick W. Oettinger 1967-7-8 161 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  JEPS25838  Saxifraga odontoloma Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7452 Siskiyou about 12 mi nw of Happy Camp (above and flanking Poker Flat, along trail to Twin Valley); Siskiyou Mountains 1524 Comment
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  UCD86388  Schedonnardus paniculatus D. H. Shaw 1980-8-5 s.n. Siskiyou Montague, Ager road, Don Shaw property. Comment
  RSA13911  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1934-9-16 3271 Siskiyou Walker, Klamath River 518 Comment
  CHSC91389  Schoenoplectus americanus Lowell Ahart; John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC68402  Scirpus congdonii Maralyn A. Renner 1980-6-26 1136 Siskiyou Flint Valley. 1390 Comment
  CAS-BOT-BC111096  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Along small stream near Deter Camp, Mt. Shasta. 1676 Comment
  SEINET7063002  Scleranthus annuus A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on Route 3. UTM Zone 10, 508463mE, 4590954mN. (WGS84/NAD83). 893 Comment
  UCD92542  Scribneria bolanderi Louis C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mts., Yreka Creek. 853 Comment
  UC195216  Scutellaria antirrhinoides Annie M. Alexander and Louise Kellogg 1911-6-13 119 Siskiyou 6 mi nw of Callahan Comment
  RSA82350  Scutellaria nana F. W. Peirson 1923-7-19 3826 Siskiyou 20 miles north of Bray. Comment
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  CAS-BOT-BC64654  Sedum kiersteadiae H. E. Brown 1897-6-15 440 Siskiyou North Side Mt. Shasta, 3048 Comment
  JEPS101157  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
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC49945  Sedum laxum subsp. heckneri G. L. Clifton 1979-8-7 12751 Siskiyou Near Canyon Creek, close to the town of Seiad Valley 1342 Comment
  CHSC118103  Sedum oblanceolatum Peter Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range. 1610 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19539  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1918 Siskiyou South Sugar Creek 2043 Comment
  HSC69553  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-6-26 1293 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC280854  Sedum oregonense Peter F. Zika 2011-7-19 25647 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  SEINET13761495  Sedum oregonense R. E. Brainierd, N. Otting 2013-7-8 CWG- 247 Siskiyou Salmon Mountains, Russian Wilderness, ridge S Little Duck Lake. 2236 Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  SJSU6063  Sedum spathulifolium R. W. Trivelpiece 1971-6-8 22 Siskiyou E Fork of S Fork Salmon R near Cecilville, Salmon R Mts 822 Comment
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  RSA13725  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2091 Comment
  HSC29492  Selaginella scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake, 2073 Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC454316  Senecio integerrimus var. exaltatus I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC364047  Senecio integerrimus var. major H. A. Thomas; J. H. Thomas 1954-7-25 4525 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC364427  Senecio triangularis John Thomas Howell 1939-8-8 15150 Siskiyou Black Mt., Marble Mts. Comment
  HSC96431  Senecio triangularis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 475 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA261516  Senecio triangularis J. M. Tucker, D. V. Hemphill 1974-7-26 4290 Siskiyou Let-Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  HSC76958  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  JEPS82481  Sidalcea oregana subsp. oregana Gilbert Muth 1965-8-12 212 Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1798 Comment
  HSC76678  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-23 300 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  OBI55470  Sidalcea oregana subsp. spicata David J. Keil, Kathleen Keil 1992-7-21 23535 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  JEPS93905  Silene bernardina Vernon H. Oswald and Lowell Ahart 1998-8-3 9428 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA610006  Silene campanulata L. C. Wheeler 1935-6-9 3554 Siskiyou Siskiyou Mountains; Yreka Creek (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC181192  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  JEPS84221  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  HSC42968  Silene campanulata subsp. greenei J. O. Sawyer, Ken Stillman 1976-5-29 2748 Siskiyou Along Specimen Creek. 1433 Comment
  HSC92349  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2223 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  HSC69003  Silene grayi Maralyn A. Renner 1980-7-28 2162 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC76646  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS40851  Silene grayi Paul C. Hutchison 1962-8-2 940 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta; , between Panther Meadow and top of ski lift 2621 Comment
  UC572803  Silene grayi W. Bridge Cooke 1937-7-28 9145 Siskiyou Mt. Shasta 2590 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC389418  Silene lemmonii A. M. Vollmer; L. Beane 1951-6-2 58 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  CAS-BOT-BC389436  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  RSA610005  Silene menziesii subsp. menziesii L. C. Wheeler 1935-6-27 3593 .5 Siskiyou Yreka Creek; Siskiyou Mts. 884 Comment
  CAS-BOT-BC175054  Silene suksdorfii Wm. Bridge Cooke 1938-9-8 11648 Siskiyou North side of Red Butte Comment
  HSC40424  Silene vulgaris J. O. Sawyer 1973-7-16 2542 Siskiyou Trail along Canyon Creek above Jct. with Wooley Creek 488 Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  CHSC2211  Sisyrinchium bellum M. Yoder 1941-7-12 Siskiyou Castle Lake 1981 Comment
  UC429235  Sisyrinchium bellum unknown April 1903 Siskiyou Yreka; Mount Mooney Comment
  HSC69082  Sium suave Maralyn A. Renner 1980-8-4 2219 Siskiyou Flint Valley 1390 Comment
  JEPS62160  Smilax californica W. L. Jepson July 1894 Siskiyou Sisson Comment
  CDA34724  Solanum dulcamara L. Ahart, John Dittes 2010-7-3 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 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  RSA79898  Solanum triflorum F. W. Peirson 1923-7-19 3836 Siskiyou 20 miles south of Bray. Comment
  UC1409253  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou along trail above Willow Springs (between English Lake and Abbotts, Marble Mountain Wilderness Area, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA237967  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou Along the trial above 'Willow Springs' 1677 Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  HSC26761  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-18 4811 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA186321  Solidago multiradiata Gilbert Muth 1966-10-16 2 Siskiyou Marble Mountains 1793 Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  UC60958  Solidago velutina subsp. californica Geo. B. Grant 1902-9-2 5205 Siskiyou Dunsmuir Dunsmuir (n part of California) Comment
  CDA7675  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC374524  Sonchus asper W. B. Cooke; V. G. Cooke 1961-7-17 32626 Siskiyou Along logging road near Howard, Mt. Shasta Comment
  RSA96942  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-10 20264 Siskiyou E shore of Castle Lake. SW of town of Mt. Shasta. 1585 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC149679  Spiraea douglasii A. A. Heller 1920-8-11 13503 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  SCFS182  Spiraea douglasii P. Billings 1965-7-13 124 Siskiyou Death Horse Creek Canyon Rd, at intersection of Hwy 89 1494 Comment
  UC572795  Spiraea douglasii unknown 1937-8-6 9188 Siskiyou Bear Spring; Mt. Shasta 1524 Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC78331  Spiranthes romanzoffiana L. P. Janeway 1983-9-11 667 Siskiyou Poker Flat, seep at NW side 1524 Comment
  CAS-BOT-BC175330  Stellaria borealis subsp. sitchana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath River Comment
  HSC75256  Stenanthium occidentale J. O. Sawyer, M. Mesler 1980-8-13 4050 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  CHSC63599  Stephanomeria paniculata Vernon H. Oswald; Lowell Ahart 1994-8-10 6453 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  CAS-BOT-BC375941  Stephanomeria virgata Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC86541  Streptanthus tortuosus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 1982 Comment
  RSA237371  Streptanthus tortuosus Frederick W. Oettinger 1967-8-26 333 Siskiyou 1/8 mile from Diamond Lake on trail to English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  SEINET3149309  Streptanthus tortuosus L. S. Rose 1937-7-3 37386 Siskiyou Black Butte, N of Mt. Shasta City 1006 Comment
  UCSB13059  Streptanthus tortuosus 1962-6-11 Siskiyou Base of Black Butte along U.S. Highway 99, 4 miles south of Weed 1188 Comment
  UC61647  Streptanthus tortuosus var. orbiculatus Geo. B. Grant September 1902 5121 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC61981  Streptanthus tortuosus var. tortuosus Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  CAS-BOT-BC516435  Streptopus amplexifolius Milo S. Baker 1926-7-16 85 Siskiyou South Fork Mt. on Forest Road 4 miles from Highway Comment
  CAS-BOT-BC516439  Streptopus amplexifolius John Thomas Howell 1939-8-3 14992 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA184799  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  CAS-BOT-BC245770  Symphoricarpos rotundifolius Elmer I. Applegate 1923-9-7 3960 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains, Klamath River watershed. Comment
  UC166591  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1829 Siskiyou Quartz Valley Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  CAS-BOT-BC98945  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 1970 Siskiyou Mount Eddy Comment
  UC609325  Symphyotrichum hendersonii Eleanor Burks Hart 1938-8-16 898 Siskiyou west slope of Lower Wright Lake Lower Wright Lake 2072 Comment
  CAS-BOT-BC98433  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9102 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC1043536  Symphyotrichum spathulatum P. C. Everett and E. K. Balls 1954-10-14 20296 Siskiyou 1.8 mi n, (Hwy 96, along Klamath River) Somesbar; Klamath River 213 Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  HSC33966  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  UC1313006  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou ca 7 mi (airline) e Sawyer's Bar (lower Blake's Fork of South Russian Creek (a tributary of Salmon River)); Salmon Mountains, Salmon River, Blake's Fork of South Russia 1524 Comment
  UC637045  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  UC1408864  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou s of Abbott's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  SD88458  Tellima grandiflora Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State line on road to Happy Camp 1707 Comment
  UCSB16646  Tellima grandiflora Breedlove, Dennis 1962-6-11 Siskiyou about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  HSC6272  Tetradymia canescens D. M. Thomson 1965-7-17 150 Siskiyou Lava Beds National Monument, N boundary Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  RSA184720  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to lookout, Marble Mtns, Siskiyou county. Comment
  SEINET11970787  Thelypodium brachycarpum H. M. Hall, Babcock, E. B. 1903-1 4092 Siskiyou Mount Shasta, Shasta Valley, Sierra Nevada Mountains 914 Comment
  UC563967  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 a Siskiyou near n boundary Lava Beds National Boundary (Frenner's ranch) Comment
  SEINET12156919  Thermopsis macrophylla J. P. Tracy 1950-1 19213 Siskiyou 5 mi SE of Flint Valley along the road to Prospect Hill Comment
  RSA716148  Thinopyrum intermedium L. Ahart, John Dittes 2005-6-10 12121 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  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
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  RSA47984  Tonella tenella Roxana S. Ferris, Laura Lorraine 1948-6-12 11779 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  CAS-BOT-BC377157  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC58945  Triantha occidentalis subsp. occidentalis Marvin Butler 1971-7-12 112 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  HSC44584  Triantha occidentalis subsp. occidentalis Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  UC133545  Trichostema simulatum unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  HSC68413  Trientalis latifolia Maralyn A. Renner 1980-7-4 1407 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET8565491  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain. 1219 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  RSA349491  Trifolium dichotomum N. G. Sugihara 1977-5-28 76 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  CAS-BOT-BC219045  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  JEPS41328  Trifolium howellii Ruby Van Deventer 1939-7-18 55 Siskiyou s Little Greyback Mtn (Poker Flat) 1524 Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  HSC49915  Trifolium longipes Maralyn O'Meara 1974-5-25 409 Siskiyou On Rd. 8, 4.7 mi W of junction with Hwy. 3 1159 Comment
  HSC67704  Trifolium longipes John Palmer 1980-7-24 604 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69012  Trifolium longipes Maralyn A. Renner 1980-7-24 2031 Siskiyou Lily Pad Lake 1768 Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  JEPS93906  Trifolium longipes var. elmeri Vernon H. Oswald and Lowell Ahart 1998-8-3 9435 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC16580  Trifolium longipes var. hansenii Harley P. Chandler 1901-6-1 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  RSA119327  Trifolium longipes var. shastense S. S. Tillett 1956-7-9 653 Siskiyou Above Masterson Meadow, e. side of Scott Mtn., Siskiyou-Trinity Co. line, ca. 8 mi. se of Callahan. 1890 Comment
  UC52259  Trifolium macrocephalum W. T. Mooney May 1903 Siskiyou Yreka Comment
  UC866984  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka Comment
  SEINET10459927  Triodanis perfoliata Unknown 1943-5-8 Anonymous s.n. Siskiyou SCOTT VALLEY Comment
  HSC30531  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou Salmon Mtns., Salamander Pond near Abbott Lake. 1677 Comment
  POM198134  Trisetum canescens E. B. Copeland 1903-9-9 3794 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta 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
  HSC58563  Trisetum spicatum G. L. Clifton, Griswold 1979-7-26 10118 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  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
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta 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-BC524311  Triteleia ixioides subsp. anilina Alice Eastwood 1923-5-27 s. n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  SBBG95899  Tsuga mertensiana J. F. Davidson, J. M. Tucker 1947-8-17 1564 Siskiyou 200' below summit on N side of Scott Mtn 2011 Comment
  UC1190123  Tsuga mertensiana Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC718126  Tsuga mertensiana Carl B. Wolf 1934-7-5 5970 Siskiyou 2.8 mi from Dry Lake Lookout (on road to Horse Creek); Siskiyou Mts. Comment
  SEINET7343028 Image available Tsuga mertensiana Steve Selva, Roger Jensen 1974-1 53 Siskiyou T40N, R9W, Sec. 19. Upper elevations of slopes West of Little Duck Lake. Pure stands with little understory. Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  CAS-BOT-BC74099  Turritis glabra Wm. Bridge Cooke 1938-7-15 11200 Siskiyou Mount Shasta. Bear Springs. Between the Bear Springs creeks. 1524 Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC404217  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  UCD122057  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070703 Siskiyou in Cedar Lake. 1742 Comment
  CAS-BOT-BC199192  Vaccinium cespitosum Doris K. Kildale 1928-8-19 6503 Siskiyou English Lake, head of North Fork of Salmon River Comment
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  HSC24792  Vaccinium cespitosum J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  HSC68332  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1239 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC96318  Vaccinium cespitosum Gordon Leppig, J. Kalt 1996-7-9 387 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  CHSC89004  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC29333  Vaccinium membranaceum Frederick W. Oettinger 1969-7-11 990 Siskiyou Marble Mountain Wilderness Area, trail from Hancock Lake to Diamond Lake 1982 Comment
  HSC29339  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 Siskiyou Marble Mountain Wilderness Area, Charmaine Lake 1921 Comment
  HSC69391  Vaccinium membranaceum Maralyn A. Renner 1980-8-31 2651 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC67630  Vaccinium parvifolium J. P. Smith, Steve Selva 1970-7-15 4352 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 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
  UC412730  Vaccinium scoparium Annie M. Alexander and L. Kellogg 1911-6-24 185 Siskiyou Jackson Lake Comment
  CAS-BOT-BC199795  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  JEPS101450  Valeriana sitchensis subsp. sitchensis Dean W. Taylor 1999-8-12 17320 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC169080  Valeriana sitchensis subsp. sitchensis Harley P. Chandler 1901-6-22 1583 Siskiyou Haypress Meadow Marble Mountain (ridges and meadows near); North Coast Ranges, Marble Mountain 1828 Comment
  JEPS83861  Vancouveria chrysantha Wayne Roderick July 1976 Siskiyou along trail to spring vicinity Cook and Green Pass (Siskiyou Mts.); , vicin Cook and Green Pass 1463 Comment
  CAS-BOT-BC76063  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA237904  Veratrum viride Frederick W. Oettinger 1967-8-13 267 Siskiyou Bear Meadow between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1037370  Verbascum blattaria Douglas Barbe 1955-7-7 143 Siskiyou e side of Forest Camp Etna; Klamath Mountains 883 Comment
  HSC69322  Verbascum thapsus John Palmer 1980-8-12 730 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS101395  Veronica copelandii Dean W. Taylor 1988-7-11 9973 Siskiyou 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