Search Results — 2000 specimen records retrieved (1376 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC99294  Abies concolor T. Jimerson, J. Pageau 1979-6-15 558 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  CHSC97952  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1981 Comment
  RSA226605  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  JEPS46599  Abies magnifica var. shastensis Lemmon Siskiyou Mt. Shasta Comment
  RSA537381  Acer circinatum Walter Wisura, J. Romero 1991-10-16 4591 Siskiyou 3.8 miles from north end of Dusmuir along old road to town of Mt. Shasta Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC332789  Acer macrophyllum Elmer I. Applegate 1895-5-30 949 Siskiyou Sisson Comment
  SEINET7893887  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbug Cr. Comment
  POM85906  Acer negundo subsp. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
Read comments
Jan 23 2011
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CHSC246  Achillea millefolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC616  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin 1982 Comment
  HSC67934  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River Comment
  UC415462  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  RSA416236  Achillea millefolium J. P. Smith 1974-5-25 7395 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  RSA50158  Achillea millefolium E. K. Balls 1949-7-9 s.n. Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  RSA671413  Achillea millefolium var. alpicola F. R. Schallert 1953-8-20 s.n. Siskiyou near Mt. Shasta Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  RSA577538  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-5-11 3480 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CHSC110946  Achnatherum nevadense B. Castro; L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of N-facing slope. Ca 150 ft up old Rd 43N39 (now closed) from jcn with its 'A' spur, in the old roadbed. 1950 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  UCD51050  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-7-14 s.n. Siskiyou Shasta Springs. Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  JEPS57227  Achnatherum occidentale subsp. occidentale L. R. Heckard 1967-8-13 1712 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  SEINET203570  Achnatherum occidentale subsp. pubescens W. B. Cooke 1938-6-24 11068 A Siskiyou Mount Shasta 1524 Comment
  SBBG25819  Acmispon americanus D. Myrick 1966-8-8 1494 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CHSC35551  Acmispon americanus var. americanus J. P. Smith; Steve Selva 1970-7-15 4351 Siskiyou Klamath Nat'l. Forest. Road to Happy Camp. 731 Comment
  JEPS80543  Aconitum columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  JEPS97191  Aconitum columbianum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95045 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC454474  Aconitum columbianum Ira J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake Comment
  UC454475  Aconitum columbianum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  UCD95300  Aconitum columbianum Beecher Crampton 1956-8-21 3801 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. Comment
  CAS-BOT-BC391517  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-16 1129 Siskiyou McCloud Comment
  CAS-BOT-BC391522  Aconitum columbianum subsp. columbianum G. J. Muth 1969-8-12 1379 Siskiyou Second Valley Comment
  CAS-BOT-BC391532  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC17539  Aconogonon davisiae Geo. D. Butler 1908-8-5 187 Siskiyou Summit above Cold Spring, Wooly Creek 1829 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC19287  Aconogonon davisiae J. O. Sawyer 1969-7-2 999 Siskiyou E of Twin Lakes 2195 Comment
  HSC2417  Aconogonon davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn. 2470 Comment
  CHSC30237  Aconogonon newberryi M. S. Taylor; J. Prouty, E. Heinetz 1980-8-19 3269 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC418811  Aconogonon phytolaccifolium L. R. Short 1933-8-7 103 Siskiyou Klamath National Forest. Marble Mt 1792 Comment
  CAS-BOT-BC391706  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  SEINET5718353 Image available Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-1 3719 Siskiyou Ca. 0.25 mile down the trail (north of) from the lake, to a lesser extent on open slopes, Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  UC637108  Adenocaulon bicolor Annetta Carter 1934-4-13 697 Siskiyou 4 mi n, on Indian Creek Happy Camp; Klamath National Forest, Indian Creek Comment
  RSA416327  Adenocaulon bicolor M. B. Dunkle 1944-7-17 9117 Siskiyou Deer Creek. Comment
  HSC93000  Adiantum aleuticum Jennifer Whipple 1976-8-20 1723 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  JEPS104915  Adiantum aleuticum Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15858 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  RSA237841  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 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
  CDA37897  Aegilops cylindrica J. L. Johnson 1980-7-1 s.n. Siskiyou Montague. 0 Comment
  UC882912  Agastache urticifolia John Thomas Howell 1939-8-6 15092 Siskiyou Spirit Lake; Marble Mts., Spirit Lake Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  RSA238885  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way up to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  CAS-BOT-BC15486  Agoseris X dasycarpa George Dexter Butler 1910-6-19 1589 Siskiyou Goosenest Foothills 1524 Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  CAS-BOT-BC21326  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1949-7-22 5839 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 1920 Comment
  JEPS36275  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 1908-8-4 300 Siskiyou head of Shackelford Creek 1676 Comment
  POM33130  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  HSC61110  Agoseris grandiflora Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04 Comment
  CAS-BOT-BC15389  Agoseris grandiflora var. grandiflora L. R. Abrams 1926-7-4 11236 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  JEPS36250  Agoseris retrorsa Geo. D. Butler 1909-5-30 752 Siskiyou near Yreka Comment
  RSA184778  Agrostis Gilbert Muth 1966-7-31 478 Siskiyou North side of Black Mountain, Marble Mountains. 2073 Comment
  CAS-BOT-BC126990  Agrostis exarata 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
  HSC91587  Agrostis exarata Jennifer Whipple 1978-10-6 2426 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC139559  Agrostis gigantea Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  CAS-BOT-BC138931  Agrostis pallens Louis C. Wheeler 1934-8-14 3144 Siskiyou Siskiyou Mountains. East end White Mountain. 1767 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  RSA237930  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1161 Siskiyou Above Halfway Spring, on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA239082  Agrostis pallens Frederick W. Oettinger 1969-8-24 5750 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  HSC91585  Agrostis variabilis Jennifer Whipple 1978-10-6 2427 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  CAS-BOT-BC138484  Agrostis variabilis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC459428  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou near Yreka Comment
  CAS-BOT-BC462375  Allium amplectens Milo S. Baker; Douglas Barbe; H. K. Wagnon 1957-6-16 13164 Siskiyou Callahan Trinity Center Rd to Scott Mountains Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  HSC74439  Allium bolanderi var. bolanderi M. A. Baker 1980-6-20 2199 Siskiyou Near Bald Mtn. 1036 Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  HSC44753  Allium falcifolium J. O. Sawyer 1978-6-17 3231 Siskiyou Marble Mountain Wilderness: Slopes E of Gem Lake. 2073 Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  CHSC118639  Allium siskiyouense Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -005 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC478028  Allium validum Geo. D. Butler 1908-8-3 109 Siskiyou Log Lake Shackleford Creek Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  LA204101  Alnus incana subsp. tenuifolia C. B. Wolf; 1930-10-22 1752 Siskiyou 1 mi. W of Mt. Shasta City 1066 Comment
  SACT002779  Alnus rubra Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Cave National Monument Comment
  CAS-BOT-BC169382  Alnus viridis subsp. sinuata Doris K. Kildale 1929-8-24 9022 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1524 Comment
  HSC45042  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-20 3274 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC4968  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-25 344 Siskiyou Along Horse Range Creek 1646 Comment
  HSC96879  Alnus viridis subsp. sinuata Gordon Leppig 1998-7-10 917 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  RSA238554  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-24 627 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, between the flumes and Toms Lower Pond. 1890 Comment
  NY785943  Alyssum alyssoides A. A. Heller 1905-6-9 s.n. Siskiyou Comment
  HSC26758  Amaranthus californicus J. P. Smith, J. O. Sawyer 1971-9-18 4822 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC2909  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC65316  Amaranthus powellii J. P. Smith, Steve Selva 1970-8-9 4584 Siskiyou In potato fields W of Macdoel. Comment
  CHSC63593  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1994-8-10 6448 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  OBI55534  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  HSC48287  Amelanchier alnifolia J. O. Sawyer, K. Stillman 1978-7-6 3299 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC136714  Amelanchier alnifolia var. pumila R. F. Thorne 1969-8-23 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak; Trail to upper English Lake along Salmon River 1159 Comment
  CAS-BOT-BC142870  Amelanchier alnifolia var. semiintegrifolia Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow - Marble Mts. 1792 Comment
  HSC36903  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1974-5-26 7543 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  HSC41460  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1973-5-5 6554 Siskiyou Scott Bar along the Scott River Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  HSC29351  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC29362  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  POM88107  Amelanchier pallida Geo. D. Butler 1910-4-24 s.n. Siskiyou Quartz Valley Comment
  CAS-BOT-BC136907  Amelanchier utahensis L. E. Smith 1913-5-27 284 Siskiyou Weed Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  UC796576  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11800 Siskiyou s of Callahan (Scott Mt Rd) 1463 Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  UC642540  Anaphalis margaritacea W. B. Cooke 1939-8-10 13863 Siskiyou Mud Creek Canyon; Mount Shasta 2133 Comment
  SEINET8410930  Andersonglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC391761  Anemone W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  RSA238285  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  UCR52382  Anemone drummondii R. James, S. Matthews, M. Goering 1985-6-1 138 Siskiyou Scott Mountain road about 2-3 miles from summit 1405 Comment
  CAS-BOT-BC391849  Anemone drummondii William A. Dayton 1912-6-16 58 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1981 Comment
  SEINET3158790  Anemone drummondii G. D. Butler 1910-7-8 1683 Siskiyou Marble mountain 1676 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC71421  Angelica breweri J. M. DiTomaso 1980-9-1 1973 Siskiyou Doe Flat, 15 mi up Jones Valley Rd. 1220 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  RSA261569  Angelica tomentosa var. tomentosa J. M. Tucker, L. Mann 1963-7-4 3697 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  HSC22435  Antennaria argentea J. O. Sawyer 1969-8-4 1795 Siskiyou Along C.C.C. road 1341 Comment
  SD98922  Antennaria argentea Darley F. Howe 1977-10-12 5010 Siskiyou Knopki Road, 3.5 miles from #99, near Oregon Line. Comment
Read comments
Jul 11 2010
  CAS-BOT-BC59158  Antennaria dimorpha Roxana S. Ferris; Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  JEPS95045  Antennaria geyeri Vernon Oswald and Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 1 mi s of Harris Spring; Forest Route 15 1463 Comment
  SEINET2038331  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  RSA106205  Antennaria geyeri D. D. Keck 1953-7-31 6534 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  UC917304  Antennaria media R. Tofsrud and J. M. Tucker 1948-8-2 1770 Siskiyou s slope of Mt. Shasta; , Panther Meadows 2407 Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  SEINET515906  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  HSC2255  Antennaria rosea subsp. rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake Comment
  RSA45339  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1189 Comment
  UCD129068  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  UC164101  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek, Eldredge's Corral Comment
  HSC28654  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou High Lake Basins, in the vicinity of English Peak Marble Mtn. Wilderness Area, in Crapo Peak along trail between Tom Taylor Cabin and English Peak. 2134 Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC407124  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CAS-BOT-BC394985  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Comment
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC58962  Aquilegia formosa var. truncata Gilbert Muth 1975-7-29 4090 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  RSA0126149  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou West side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC69022  Arabis divaricarpa var. interposita Maralyn A. Renner 1980-7-24 2012 Siskiyou Lily Pad Lake 1768 Comment
  HSC46817  Arabis glabra William J. Ferlatte 1974-7-14 1520 Siskiyou Big Flat, near S fork of Salmon River, E side of Big Flat Campground and lower slopes of Grouse Ridge 1524 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  HSC74922  Arabis holboellii var. pendulocarpa J. P. Smith, Jennifer Whipple 1978-7-2 9963 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC67807  Arabis holboellii var. pinetorum J. O. Sawyer, J. Cole 1980-7-22 3961 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC22437  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-2 1013 Siskiyou Slope above Big Blue Lake 2256 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
  POM94625  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA30389  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC17368  Arabis oregana F. D. Douthitt 1926-3-16 5 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  HSC237  Arabis puberula William J. Ferlatte 1967-7-6 608 Siskiyou Dorleska Summit 2134 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  JEPS53187  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn Mountain Comment
  POM94042  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou Near Yreka. 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
  HSC22082  Arabis suffrutescens var. horizontalis J. O. Sawyer 1969-7-25 1539 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  HSC65083  Aralia californica J. P. Smith, Steve Selva 1970-6-14 3887 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UCSB24429  Arbutus menziesii Favero, R. 1968-3-28 Siskiyou 2 miles southwest of Hamburg, Calif., on U.S. 96 to Happy Camp, Calif., Klamath Mountains 609 Comment
  JEPS48994  Arceuthobium Geo. D. Butler 1908-8-5 272 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC407794  Arceuthobium campylopodum L. E. Smith 1912-8-1 s.n. Siskiyou near Weed Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET2471244  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -55 Siskiyou On road to Gumboot Lake 1950 Comment
  SEINET2471281  Arceuthobium cyanocarpum R. L. Mathiasen 2007-8-9 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  CAS-BOT-BC410075  Arceuthobium douglasii William Bridge Cooke 1939-8-25 13920 Siskiyou on the SW slopes of Mount Shasta 1524 Comment
  JEPS81757  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  RSA463685  Arctostaphylos manzanita subsp. manzanita 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
  CAS-BOT-BC39986  Arctostaphylos nevadensis T. H. Harris 1951-6-1 s.n. Siskiyou Tanner Butte Road, Happy Camp 1828 Comment
  CAS-BOT-BC40024  Arctostaphylos nevadensis W. B. C. 1938-8-18 11504 Siskiyou Mount Shasta - Horse Camp Slopes Hudsonian 2514 Comment
  CDA15575  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Calif. side of State Boundary, above Indian Ck. Camp. Comment
  HSC18958  Arctostaphylos nevadensis G. L. Clifton, Griswold 1979-6-28 6123 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC31992  Arctostaphylos nevadensis Steve Selva, Roger Jensen 1974-8-16 10 Siskiyou Above Sugar Lake Comment
  HSC69365  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3670 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC46429  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  HSC745  Arctostaphylos patula William J. Ferlatte 1967-6-5 492 Siskiyou Big Flat, near public camp 1524 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  POM77504  Arctostaphylos patula Geo D. Butler 1908-8-5 102 Siskiyou West Fork of Wooley Creek. 1677 Comment
  RSA381106  Arctostaphylos patula Chas. H. Lamoureux, Lalit Srivastava, Roman Gankin 1957-11-4 260 Siskiyou US hw 199, east side of hwy, approximately 2 miles n. of Weed. Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  RSA15600  Arctostaphylos viscida subsp. viscida C. B. Wolf 1927-8-26 1107 Siskiyou Klamath River, 8 mi. above Happy Camp. Comment
  RSA264950  Arenaria congesta Gilbert Muth 1975-7-28 9902 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  UC198692  Arenaria congesta var. suffrutescens Annie M. Alexander and L. Kellogg 1911-7-28 203 Siskiyou Wildcat Peak 2194 Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  RSA47778  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CAS-BOT-BC467187  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UCD129099  Arnica cernua G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3269 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC12271  Arnica chamissonis Richard Spjut 1970-7-16 440 Siskiyou ca. 23 miles N of Weed on Hwy. 97, at Grass Lake 1524 Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  HSC61861  Arnica discoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC73221  Arnica discoidea Gail Newton 1980-6-20 505 Siskiyou Near Bald Mtn. 1097 Comment
  RSA718800  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. 1561 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  RSA238813  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou NW above upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC482453  Arnica ovata Dana York 2011-8-13 3063 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  UC1408811  Arnica parryi Frederick W. Oettinger 1969-7-28 1087 Siskiyou Tom's Upper Pond (above) Marble Mountain Wilderness Area, English Peak, The Salmon Mo 2026 Comment
  HSC66241  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC892236  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC90481  Artemisia douglasiana Elmer I. Applegate 1923-8-21 3922 Siskiyou Willow Creek, south of Lower Klamath Marsh 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
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  UC205773  Artemisia nova H. M. Hall 1919-10-2 Siskiyou Shasta Valley Comment
  CAS-BOT-BC97420  Artemisia tridentata subsp. tridentata W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  CAS-BOT-BC400701  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  UC705672  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou near Hornbrook; Ditch Creek Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  SEINET10496076  Asclepias speciosa LeRoy E. Detling 1947-6-5 Detling 6137 Siskiyou 2 mi. W. Of klamath river bridge, siskiyou co, yellow pine-oak forest, assoc: pinus ponderosa, quercus kellogii, pseudosuga taxifolia, thuja plicata, acer macrophyllum, ceonathus cuneatus, rhus diversifolia. Valley floor, rocky clay, full sun, fairly abindant, 518 Comment
  SEINET7120959  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou Near Yreka Comment
  SEINET7121037  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET3868734  Aspidotis densa M. L. Conrad, Morris; Kenney 1973-6-3 7016 Siskiyou Matthew's Creek Campground on south fork of Salmon River.; 0 549 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  RSA417705  Aster occidentalis L. C. Wheeler 1934-8-14 3130 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  RSA502325  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  CAS-BOT-BC290611  Asteraceae Peter Rubtzoff 1978-6-26 9219 Siskiyou South margin of Grass Lake near Hwy. 97. Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC192967  Astragalus purshii var. purshii A. M. Vollmer; L. Beane 1951-5-31 27 Siskiyou Scott Mountain Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CAS-BOT-BC198718  Astragalus whitneyi var. siskiyouensis L. E. Smith 1913-7-2 448 Siskiyou Rainbow Comment
  CAS-BOT-BC199148  Astragalus whitneyi var. siskiyouensis John Thomas Howell 1937-6-29 13645 Siskiyou Scott Mt. between Trinity and Siskiyou Co. Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1408833  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou se bank Horse Range lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  CAS-BOT-BC66199  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1934-8-10 3094 Siskiyou Jaynes Canyon, Siskiyou Mts. 1371 Comment
  CDA23342  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 Comment
  CAS-BOT-BC100062  Balsamorhiza lanata L. E. Smith 1913-4-14 627 Siskiyou Yreka Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  RSA603839  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview, Scott Valley 884 Comment
  CAS-BOT-BC400049  Berberis Doris K. Kildale 1928-7-25 5908 Siskiyou Klamath River - Mack's Creek near Hamburg Comment
  HSC36763  Berberis nervosa Brent Whiteley 1975-6-28 76 Siskiyou 915 Comment
  HSC5005  Berberis nervosa J. O. Sawyer 1968-6-18 186 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC472300  Berberis nervosa Milo S. Baker July 1899 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC76000  Berberis pumila T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1524 Comment
  CAS-BOT-BC169479  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove occurs in a swamp near the Mount Shasta High School 1097 Comment
  UC54210  Betula occidentalis H. M. Hall and E. B. Babcock June, 1903 4048 Siskiyou near Sisson; Sierra Nevada Mountains, Mt. Shasta, 18th crossing of Sacram 1036 Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  JEPS11902  Bidens cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4801 Siskiyou about 0.8 mi s of Fort Jones; Scott Valley 822 Comment
  HSC81744  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6186 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC127935  Blepharipappus scaber L. R. Abrams 1927-9-11 12138 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CAS-BOT-BC16871  Boechera R. C. Wenk 2005-7-15 217 Siskiyou Trinity Alps, above S Fork of Salmon R., along the Yellow Rose Mine Trail, top of pass going N towards Preacher's Peak 2133 Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  UC198717  Boechera breweri Annie M. Alexander and L. Kellogg 1911-6-28 200 Siskiyou Wildcat Pk. Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  JEPS53135  Boechera platysperma Willis L. Jepson 1894-8-4 59 b Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC14668  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sissons, road to Mount Shasta. Comment
  CAS-BOT-BC25430  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-12 4085 Siskiyou 4 km east of Hambone Butte between Hambone Butte and the north end of White Horse Mountains. 1140 Comment
  SEINET3132274  Boechera retrofracta G. D. Butler 1163 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC618785  Botrychium W. Bridge Cooke 1938-9-2 11600 Siskiyou along the Sisson Southern Trail Mount Shasta 1981 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  HSC69437  Boykinia major John Palmer 1980-8-13 793 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA211768  Brickellia californica L. C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC1034065  Brickellia grandiflora W. Bridge Cooke 1941-8-22 16209 Siskiyou above, in the Lava Park on the n side of Mt. Shasta Bolam Station; Mt. Shasta 1524 Comment
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CAS-BOT-BC127718  Brickellia greenei Alice Eastwood 1912-8-30 2073 Siskiyou Deer Creek; Mount Eddy Comment
  CDA39464  Brodiaea elegans E. Hale 1984-6-19 s.n. Siskiyou Deer Meadow Road near Yreka. 0 Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  UC1265357  Bromus carinatus var. carinatus F. W. Oettinger 1968-8-6 453 Siskiyou Salmon Mountains, Crapo Meadow, w Siskiyou County Crapo Meadow; Salmon Mountains, Crapo Meadow 2133 Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  HSC9189  Bromus inermis R. C. Wunner 1965-8-14 419 Siskiyou Lava Beds National Monument, near Hovey Point, on road around point, 0.5 mi. from cottonwoods Comment
  UCD58853  Bromus inermis subsp. inermis Al Franklin 1987-7-10 87 -29 Siskiyou Flank of Everitt shield volcano, near Mt. Shasta. 1609 Comment
  CHSC86620  Bromus japonicus Jenny Marr 1993-7-1 3 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD58981  Bromus madritensis August L. Hormay 1932-4-20 s.n. Siskiyou Brownell. Comment
  CAS-BOT-BC105073  Bromus orcuttianus R. C. Wenk 2008-7-24 915 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  UCD59243  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou Prospect Hill, 3 miles (airline distance) NW from mouth of Salmon River. 1097 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  UC166480  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  POM363990  Bromus tectorum M. B. Dunkle 1945-7-19 9233 Siskiyou Klamath National Forest. Marble Mts. Marble summit, Marble rim trail. Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  HSC48285  Bromus vulgaris J. O. Sawyer, K. Stillman 1978-7-6 3302 Siskiyou Along Happy Camp-O'Brien Rd., above Louse Creek Comment
  RSA751886  Bromus vulgaris P. M. Peterson, J. M. Saarela, C. J. Sears 2006-8-7 19729 Siskiyou Port Orford Cedar Botanical Area, Klamath National Forest. 1168 Comment
  CAS-BOT-BC185269  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Klamath Forest. Wooley Pockets Ridge. 2133 Comment
  CAS-BOT-BC85728  Calocedrus decurrens Doris K. Kildale 1927-11-20 4175 Siskiyou Fort Jones Comment
  CAS-BOT-BC85744  Calocedrus decurrens J. H. Thomas 1954-5-13 4158 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  HSC92674  Calocedrus decurrens Jennifer Whipple 1977-8-5 2191 Siskiyou Slopes near Little Crater Lake 2195 Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  UC593511  Calochortus coeruleus E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1993 Siskiyou 1.5 mi w Mt Shasta City (spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  UC618672  Calochortus coeruleus unknown 1938-7-1 11154 Siskiyou above Bear Spring; Mount Shasta Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  CAS-BOT-BC26265  Calochortus elegans var. oreophilus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  CAS-BOT-BC483441  Calochortus macrocarpus L. E. Smith 1912-7-1 s.n. Siskiyou Bray Comment
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC44917  Calochortus tolmiei J. P. Smith 1976-5-5 8682 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UCR47369  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Capground near Seiad Valley 488 Comment
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UC1736526  Caltha biflora Dean W. Taylor 1972-7-3 1610 Siskiyou Salmon Mountains, near Little Duck Lake. Comment
  RSA0120943  Caltha biflora I. L. Wiggins 1950-5-28 12367 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC167236  Caltha leptosepala R. C. Wenk 2008-7-24 919 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  UCD129885  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
  JEPS96990  Calypso bulbosa Dean W. Taylor 1999-6-9 17231 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 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
  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
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  CDA23024  Camelina microcarpa G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2578 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  CAS-BOT-BC160899  Camissonia tanacetifolia subsp. tanacetifolia Alice Eastwood 1921-7-28 10925 Siskiyou Medicine Lake Comment
  RSA31949  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along highway just south of Bray Comment
  SEINET10462858  Campanula prenanthoides Butler 1971-8-11 BUTLER 297 Siskiyou NEAR EL CAPITAN LAKE, PRESON PEAK QUAD. NR CAVE JCT 5200 Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  UC456046  Campanula prenanthoides I. J. Condit 1911-7-3 Siskiyou along RR and on mt. sides Shasta Retreat Comment
  SEINET10873251  Campanula prenanthoides Mize 1972-6-21 MIZE 72 Siskiyou Forks of Salmon quad, past first creek along trail. T12N R7E Sec. 31 305 Comment
  UC1212559  Campanula prenanthoides Francia Chisaki and Helen Sharsmith 1959-8-20 4736 Siskiyou in forest near Carter Meadow; Inner North Coast Ranges, canyon of East Fork Salmon River 1828 Comment
  HSC76900  Campanula rotundifolia K. T. Stillman 1976-7-22 289 Siskiyou Marble Mtn. Wilderness Area Comment
  POM59341  Campanula rotundifolia E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  SEINET10463372  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou SLOPES AND TOP OF MT. EDDY Comment
  SEINET10905950  Campanula scouleri Parker 1950-8-3 Parker 488 Siskiyou LITTLE MILL CREEK, MOUNT BOLIVAR 1829 Comment
  SEINET10972087  Campanula scouleri Feudge 1927-7-22 FEUDGE 1775 Siskiyou Mt. Shasta City, damp shade of willows. 1067 Comment
  LA204513  Campanula wilkinsiana Wm. Bridge Cooke; 1938-8-8 11665 Siskiyou Mount Shasta, along the streams in Squaw Valley Creek meadows 2438 Comment
  SEINET10463890  Campanula wilkinsiana Ferlatte 1967-8-22 FERLATTE 1099 Siskiyou Head of Kidd Cr., open meadow. T37N R92 Sec. 32. 2134 Comment
  SEINET10972122  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou Creek bed near Red Cap 2438 Comment
  SEINET192728  Campanula wilkinsiana W. Bridge Cooke 1941-8-28 16238 Siskiyou Mt. Shasta Squaw Valley Creek. 1829 Comment
  RSA120725  Cardamine californica var. integrifolia S. S. Tillett 1956-7-9 663 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  UC166131  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  RSA531014  Cardaria pubescens B. C. Templeton 1960-6-21 8529 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  SEINET10644476  Carex A. Arthur Heller 1920-6-20 Heller 13390 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Shrubs are willow, Corylus, & Ceanothus. 1158 Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC29662  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Marble Mtn. Wilderness Area, Tom Taylor Cabin 1982 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC17964  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow near Sissons. Comment
  CAS-BOT-BC17967  Carex angustata L. E. Smith 1914-5-12 691 Siskiyou Sisson. Comment
  CAS-BOT-BC64987  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou On north side of route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  CHSC88397  Carex athrostachya Jenny Marr 1993-7-1 156 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC43381  Carex bolanderi Marylyn O'Meara 1974-5-25 383 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  SEINET10706563  Carex bolanderi A. Arthur Heller 1905-6-13 Heller 8025 Siskiyou Near Shasta Springs. Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  HSC96593  Carex echinata subsp. echinata Gordon Leppig, J. Cromwell 1997-7-25 583 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET10921600  Carex epapillosa A. Arthur Heller 1922-7-15 Heller 13709 Siskiyou Plentiful in moist meadow at Medicine Lake. 2134 Comment
  HSC37425  Carex fissuricola J. O. Sawyer 1969-8-5 1751 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  HSC81979  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-16 4860 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC22294  Carex hassei William Bridge Cooke 1940-6-8 15116 Siskiyou Mount Shasta City. 1082 Comment
  JEPS117731  Carex hystericina Robert E. Preston 2008-5-15 2633 Siskiyou ca. 2 mi N of, along Hwy 96 Somes Bar; Davis Creek 228 Comment
  RSA0089764  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  SEINET4292187 Image available Carex integra Unknown 2006-1 8775 Siskiyou Klamath Range. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC35522  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou In the Wagon Camp Sedge Swamp 1737 Comment
  UCD140537  Carex luzulina Peter F. Zika 2009-6-18 s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summitm Klamath Range (KR). 1640 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  CAS-BOT-BC31634  Carex luzulina var. ablata R. Tallent 1987-8-16 943 Siskiyou Mt. Shasta area. Panther Meadows Trailhead area. 2219 Comment
  JEPS109545  Carex luzulina var. ablata Dean W. Taylor 1988-7-9 9938 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  HSC76312  Carex mertensii L. P. Janeway 1982-8-15 145 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC76794  Carex microptera L. P. Janeway 1982-8-15 147 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC32001  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  UC593523  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1927 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  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
  HSC76788  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC40194  Carex multicostata L. P. Janeway 1983-8-6 497 Siskiyou At Poker Flat. Dry w part of lower portion of meadow across the road. 1524 Comment
  CHSC96404  Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Klamath Ranges. Salmon Mountains: slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  UCD77481  Carex multicostata Robert E. Preston 2001-7-21 1717 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC76963  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  HSC76373  Carex nebrascensis L. P. Janeway 1982-8-14 133 Siskiyou Between Hwy. 96 and Klamath River, near level of Hwy. 427 Comment
  CHSC96088  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 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
  HSC39759  Carex nudata J. O. Sawyer 1970-4-3 2098 Siskiyou Along Sugar Creek 915 Comment
  UCR45815  Carex nudata L. P. Janeway 1984-6-21 461 Siskiyou Dillon Mtn. Q., East side of Klamath River at Persido Bar. 213 Comment
  CAS-BOT-BC119476  Carex nudata Louis C. Wheeler 1934-9-22 3296 Siskiyou Walker 518 Comment
  RSA120496  Carex pellita S. S. Tillett 1956-7-11 690 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 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
  JEPS107832  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
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Mar 10 2008
  CHSC53537  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Along the Twin Valley-Poker Flat trail; south of and slightly above a flat containing a dry vernal pool. 1676 Comment
  HSC29651  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1227 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UC618819  Carex spectabilis J. W. Stacey 1938-9-8 11666 Siskiyou upper portion Squaw Creek Meadows (at Squaw and Panther Creeks and in The South Gate); Mount Shasta Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  UC142324  Carex straminiformis Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-4 313 Siskiyou Mt. Shasta Comment
  JEPS102934  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC91350  Carex vesicaria Jennifer Whipple 1977-8-6 2243 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS84070  Carex vesicaria var. vesicaria L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6397 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1470 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
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1409390  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou near in let stream, Little Hancock Lake 2042 Comment
  JEPS5215  Castilleja angustifolia Geo. D. Butler 1904-5-23 759 Siskiyou near Yreka Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  RSA31873  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou Along the trail to Horse Camp, Mt. Shasta. 2287 Comment
  UC164427  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC243765  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-8-3 10016 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC69005  Castilleja arachnoidea Maralyn A. Renner 1980-7-28 2152 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  POM255866  Castilleja arachnoidea Marion Ownbey, Ruth Ownbey 1938-7-20 1761 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  RSA81487  Castilleja arachnoidea subsp. arachnoidea J. T. Howell 1939-8-9 15221 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  HSC69093  Castilleja miniata Maralyn A. Renner 1980-8-4 2224 Siskiyou Flint Valley 1390 Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  CAS-BOT-BC254024  Castilleja miniata John M. Tucker 1948-8-2 1768 Siskiyou Panther Meadows; Mt. Shasta 2407 Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  RSA165515  Castilleja miniata Clare B. Hardham 1961-6-30 7997 Siskiyou Siskiyou Mountains: White Mt. Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  CAS-BOT-BC241085  Castilleja schizotricha G. J. Muth 1969-8-6 1209 Siskiyou Boulder Peak 2529 Comment
  SEINET3110808  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou Along Road 8 to Sugar Lake trail. Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  JEPS2518 Image available Ceanothus integerrimus Willis L. Jepson 1894-8-1 Siskiyou near Sisson; Shasta Springs Comment
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May 9 2008
  JEPS86081  Ceanothus integerrimus Wayne Roderick 1966-6-26 Siskiyou Seiad Valley to Cook & Green Pass Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA399822  Ceanothus prostratus Bonnie C. Templeton 1964-6-9 10069 Siskiyou Slope of Mt. Shasta Comment
  UC1539992  Ceanothus prostratus M. Mitchell 1936-5-11 16 Siskiyou Lava Beds National Monument, NE side of Hippo Butte 1615 Comment
  UC375365  Ceanothus prostratus Geo. D. Butler 1909-6-23 903 Siskiyou foothills of Goosenest Mountain Comment
  UC375367  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Quartz Valley Comment
  UCD112842  Ceanothus velutinus J. M. Tucker; L. K. Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  UCR136775  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  CDA21534  Centaurea X moncktonii B. Villegas 2001-7-8 s.n. Siskiyou Northern California; Indian Creek Bridge near Happy Camp. 0 Comment
  CDA7018  Centaurea calcitrapa C. S. Giebner 1960-7-25 Siskiyou Edson Foulke Ranch, ca. 1 mile northeast of Gazelle. 0 Comment
  HSC67031  Centaurea cyanus J. P. Smith, Steve Selva 1970-6-16 4080 Siskiyou Idlewild Campground 808 Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  OBI54096  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  CAS-BOT-BC288794  Centromadia fitchii L. R. Abrams 1927-9-11 12140 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CDA3356  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  HSC67804  Cercocarpus ledifolius J. O. Sawyer, J. Cole 1980-7-22 3975 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA120777  Cercocarpus ledifolius G. D. Barbe 1955-7-29 315 Siskiyou below a serpentine outcropping on a Knott NW of Scott Mtn. 1738 Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  CAS-BOT-BC276765  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC276784  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-6 9367 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  HSC253  Chaenactis douglasii var. douglasii William J. Ferlatte 1967-8-23 1086 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  HSC36743  Chamerion angustifolium subsp. circumvagum Brent Whiteley 1975-6-22 26 Siskiyou 220 Comment
  HSC92069  Chamerion angustifolium subsp. circumvagum Jennifer Whipple 1977-8-5 2180 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  CAS-BOT-BC68204  Cheilanthes gracillima John Thomas Howell 1937-7-26 13524 Siskiyou Salmon-Trinity Alps, - Caribou Basin 2286 Comment
  HSC23469  Cheilanthes gracillima J. O. Sawyer 1968-7-9 415 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC42423  Cheilanthes gracillima Marshall A. Howe Aug. 1894 Siskiyou near Shasta (Soda Springs) Comment
  CAS-BOT-BC68207  Cheilanthes gracillima Laura M. Lathrop 1903-7-1 s.n. Siskiyou Sisson Comment
  HSC92601  Cheilanthes gracillima Jennifer Whipple 1976-4-16 1011 Siskiyou Dale Cr. Drainage of the N face of Mt. Eddy 2195 Comment
  HSC92771  Cheilanthes gracillima Jennifer Whipple 1977-7-22 2043 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Cr. Drainage 2348 Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC452269  Chimaphila umbellata Dr. E. B. Copeland 1903-8-15 s.n. (distributed as C.F. Baker's 3828 ) Siskiyou Mt. Shasta 1828 Comment
  CAS-BOT-BC452272  Chimaphila umbellata L. E. Smith 1913-7-4 455 Siskiyou North fork, Castle Creek Comment
  UC1185281  Chimaphila umbellata H. E. Brown Jul 1 1897-Jul 15 1897 Siskiyou s. side Mt. Shasta 1524 Comment
  UC1733973  Chimaphila umbellata Kay H. Beach and F. Gould 1940-5-15 Siskiyou Meadows and Goosenest Mountain 1828 Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  OBI55439  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  UC1034038  Chrysolepis sempervirens unknown 1941-8-21 16221 Siskiyou n side Diller Canyon (w side of Shastina); Mount Shasta Comment
  RSA184687  Chrysothamnus nauseosus subsp. albicaulis Gilbert Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 Comment
  JEPS25821  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou Oro Fino, L. Eastlick's Ranch Oro Fino; , L. Eastlick's Ranch Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  CAS-BOT-BC285346  Cirsium andersonii L. E. Smith 1913-7-27 491 Siskiyou McCloud Comment
  CHSC62425  Cirsium cymosum B. McAlexander 1993-7-7 Siskiyou Little Shasta Valley located E of Montague, N of Steamboat Mt. and S of Little Shasta River. 731 Comment
  CAS-BOT-BC278038  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278054  Cirsium cymosum Alice Eastwood; John Thomas Howell 1936-6-13 2758 Siskiyou 8 miles n. of Weed Comment
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC288778  Cirsium remotifolium Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mts 1792 Comment
  CAS-BOT-BC286470  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle 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
  CDA1581  Cirsium scariosum var. robustum Don Shaw 1982-7-16 s.n. Siskiyou Butte Valley; west of Dorris, east of Secret Spring Mtn. Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  CAS-BOT-BC228990  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  RSA96726  Clarkia concinna subsp. concinna Lee W. Lenz 1953-5-17 18311 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 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
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  HSC74863  Clarkia rhomboidea J. P. Smith, Jennifer Whipple 1978-7-2 9983 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS33855  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  UC909475  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/2 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  HSC46173  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2342 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA120757  Claytonia lanceolata S. S. Tillett 1956-7-9 664 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  JEPS43311  Claytonia sibirica Willis L. Jepson Jul 1894 14872 Siskiyou Sisson; Mt. Shasta Region Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  POM149886  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC499971  Clintonia uniflora Wayne Roderick 1967-7-22 s.n. Siskiyou North of Happy Camp on road to O'Brien Creek 1219 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  RSA184801  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains. 1806 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  RSA237561  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou Due west of northwest end of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1951 Comment
  UC166170  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou hills near Yreka Comment
  HSC72473  Collinsia rattanii J. P. Smith 1973-5-5 6462 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  HSC23658  Collinsia rattanii J. O. Sawyer 1969-6-12 916 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  CHSC1739  Collinsia torreyi M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1409308  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou slope between lily pond and Tobacco Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC229523  Collomia larsenii Mary Ann Showers 1980-7-23 1917 Siskiyou At summit of Little Mount Hoffman, W facing slope Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  RSA237987  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  HSC19039  Corallorhiza maculata J. O. Sawyer 1969-6-11 812 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  JEPS104436  Corallorhiza mertensiana Martin J. Lenz 2003-6-9 17 Siskiyou approx. 1.2 mi E of Deadhorse Summit, along logging road 60A 1378 Comment
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  RSA397694  Cornus californica H. E. McMinn 1931-6-27 2513 Siskiyou Shasta City. Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212054  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  HSC30467  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Salmon Mtns., near 'The Cedars' homestead, 2 mi. up main N Fork Trail from mule Bridge enroute to English Lake. 960 Comment
  CAS-BOT-BC210391  Cornus sericea Edward Lee 1934-8-13 1072 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  CAS-BOT-BC210403  Cornus sericea Alice Eastwood 1923-5-11 11843 Siskiyou Shasta Springs Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  CAS-BOT-BC210421  Cornus sericea Alice Eastwood 1912-7-17 1177 Siskiyou Sisson Comment
  SEINET8527410  Cornus sericea subsp. occidentalis G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek. Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  CAS-BOT-BC180196  Corylus cornuta subsp. californica J. H. Thomas; H. A. Thomas 1954-7-22 4451 Siskiyou Along banks of Bog Bend creek. 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 Salmon River 975 Comment
  CAS-BOT-BC180199  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-10 3296 Siskiyou along Indian Creek Road, 18.1 miles NW of Happy Camp, Siskiyou Mountains 1280 Comment
  HSC27598  Corylus cornuta subsp. californica Carl W. Mize 1972-6-10 56 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  JEPS105110  Crepis acuminata Dean W. Taylor 1993-7-30 13988 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC313842  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  CAS-BOT-BC290541  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  CAS-BOT-BC291529  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  CAS-BOT-BC290739  Crepis occidentalis subsp. conjuncta Peter H. Raven 1956-9-4 10398 Siskiyou South side of Mt. Eddy 2560 Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC290864  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  SEINET7838867 Image available Crepis pleurocarpa G. D. Butler 1910-7-12 1758 Siskiyou Dry ridge, Shackleford Creek 1372 Comment
  RSA63067  Crocidium multicaule L. S. Rose 1950-5-7 50107 Siskiyou Derris. 1292 Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  HSC29342  Cryptantha affinis Frederick W. Oettinger 1969-8-6 1229 Siskiyou Marble Mtn. Wilderness Area, between large rocks on S side of Pine Lake 1921 Comment
  HSC3592  Cryptantha ambigua R. C. Wunner 1965-7-15 395 Siskiyou California Lava Beds National Monument; Indian Well Area 1433 Comment
  HSC3598  Cryptantha celosioides R. C. Wunner 1965-6-15 184 Siskiyou Lava Beds National Monument; SE side of Caldwell Butte, ca. 1/2 way down steep red cinder slope above cinder pit 1463 Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  CHSC91345  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC63983  Cryptantha milobakeri J. P. Smith, Steve Selva 1970-6-14 3862 Siskiyou Comment
  RSA610640  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  HSC30637  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC80566  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  JEPS39746  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava beds, SE Siskiyou Co., W of Little Hot Springs Valley 1036 Comment
  NY16602  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  SEINET8253674  Cupressus bakeri Frank Callahan, John Erwin 1998-8-8 Siskiyou Goosenest Mtn. GrassLake 7.5' Quad; south of Ball Mtn./Little Shasta Rd.; (uphill south of Smith's Sawmill [Historical]). 1676 Comment
  UC13703  Cupressus lawsoniana W. C. Blasdale 1894-8-3 Siskiyou Shasta Springs Comment
  UC60899  Cupressus lawsoniana W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou near Suies (Sisson); Mount Shasta, Sacramento Canyon Comment
  CAS-BOT-BC224418  Cuscuta californica Copeland 1903-7-6 3498 Siskiyou Hornbrook Comment
  UCD77585  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-6-20 1834 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  UCD77587  Cynoglossum officinale Robert E. Preston 2002-7-11 1898 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC40381  Cypripedium californicum A. Montalvo, J. D. Ackerman 1974-8-17 424 Siskiyou West slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadows 1646 Comment
  HSC66252  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou W Fork Seiad Creek 878 Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  RSA382010  Cypripedium montanum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  UC185190  Cystopteris fragilis Geo. D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek 1219 Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1265437  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (upper meadow, w Siskiyou Co., high lake basins in vicinity of English Peak) 1889 Comment
  HSC75125  Danthonia unispicata J. P. Smith, Thomas W. Nelson 1970-6-16 10146 Siskiyou Klamath National Forest: along Forest Rd. 40N03, 0.3 mi. from junction with Hwy. 3. 1463 Comment
  OBI55458  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC1475697  Darlingtonia californica Clifton and Ground 1978-7-2 1856 Siskiyou near Big Carmen Lake (close to town of Callahan); China Mt. Quadrangle 1704 Comment
  CAS-BOT-BC420664  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  CDA24230  Delphinium andersonii Vernon H. Oswald & Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  RSA32275  Delphinium andersonii Alice Eastwood, Donna Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  JEPS80529  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mt. Wilderness Area 1859 Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  POM266019  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  CAS-BOT-BC8755  Delphinium glaucum L. R. Short 1933-8-7 115 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  HSC69345  Delphinium glaucum Maralyn A. Renner 1980-8-8 2465 Siskiyou Rattlesnake Meadow 1646 Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  RSA398632  Delphinium glaucum Albert J. Perkins 1925-08 14737 Siskiyou Along road to Tuolumne Glacier, Yosemite National Park. Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  HSC41682  Delphinium nuttallianum Jennifer Whipple 1976-7-2 1283 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC520387  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UCD61373  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 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
  CAS-BOT-BC201637  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  POM161562  Deschampsia danthonioides Geo D. Butler 1908-6-25 477 Siskiyou Yreka Creek Comment
  HSC68534  Deschampsia elongata Maralyn A. Renner 1980-6-25 1083 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  SEINET10524243  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 627 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Dryish, vegetated, northwest edge of the meadow, on the upper side of the road. 1524 Comment
  HSC76699  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 217 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  UC375347  Descurainia pinnata subsp. halictorum Geo. D. Butler 1908-6-23 126 Siskiyou near Yreka Comment
  JEPS26518  Dicentra formosa Lauramay T. Dempster 1961-7-1 1844 Siskiyou between Condry Peak and White Mountain Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  UCD114224  Dicentra formosa subsp. formosa John M. Tucker; D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC402482  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou Meadow on Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 Comment
  RSA433581  Dicentra formosa subsp. formosa M. B. Dunkle 1944-6-25 9004 Siskiyou Siskiyou Mts. Beaver Creek. 1677 Comment
  RSA74750  Dicentra formosa subsp. oregana Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  SEINET10573675 Image available Dicentra pauciflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scott Mountain. Comment
  CAS-BOT-BC500905  Dichelostemma capitatum Doris K. Kildale 1929-5-11 7767 Siskiyou Klamath River at Hornbrook Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC500992  Dichelostemma multiflorum L. B. Kildale 1930-6-1 9832 Siskiyou Mill Creek near Etna Mills. Comment
  CAS-BOT-BC291006  Dieteria canescens var. shastensis A. A. Heller 1920-8-12 13521 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  CAS-BOT-BC291009  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29231  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW side of Upper English Lake 1768 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  UC1037375  Dodecatheon alpinum Douglas Barbe 1955-7-6 126 Siskiyou se end of Taylor Lake , se end of Taylor Lake (Salmon Mountains) 1950 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  RSA211273  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC54922  Dodecatheon jeffreyi W. T. Mooney June, 1902 Siskiyou Yreka Comment
  UC1199666 Image available Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou along Ager-Beswick Road 2.7 mi sw California-Oregon border; ; Siskiyou Co. Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  CAS-BOT-BC41413  Draba verna Roxana S. Ferris; Laura Lorraine 1948-6-12 11894 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  POM366552  Drymocallis glandulosa M. B. Dunkle 1944-6-25 9021 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  UC859897  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou ne base Mt. Eddy; ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  CAS-BOT-BC158414  Drymocallis pseudorupestris var. saxicola Alice Eastwood 1912-8-30 2026 Siskiyou Mount Eddy Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  CHSC97393  Eleocharis bella Jenny Marr 2006-6-18 229 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  UC184026  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino Comment
  CAS-BOT-BC112693  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  CAS-BOT-BC227918  Elymus elymoides Geo. D. Butler 1910-7-3 1932 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  RSA119382  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou just north of campground, Scott Mtn., divide; Siskiyou-Trinity co. line, ca. 8 mi. se. of Callahan 1631 Comment
  UC1132993  Elymus elymoides subsp. elymoides H. A. Jensen 1933-9-30 359 Siskiyou Signal Butte Shasta National Forest, Dunsmuir Quadrangle 1341 Comment
  UC167223  Elymus elymoides subsp. elymoides W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  HSC62002  Elymus elymoides var. elymoides Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1549 Comment
  HSC67788  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3754 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CDA31706  Elymus glaucus T. C. Fuller 1958-6-19 1886 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC206593  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-9 15212 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC206608  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9010 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC39902  Elymus lanceolatus subsp. lanceolatus J. P. Smith, Steve Selva 1970-7-16 4409 Siskiyou Beaver Creek Campground. 823 Comment
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC392232  Enemion stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Miller Gulch off Klamath River, Siskiyou Mts. 670 Comment
  RSA598061  Epilobium Louis C. Wheeler 1963-8-31 8326 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  UC1408897  Epilobium brachycarpum F. W. Oettinger 1969-8-12 1339 Siskiyou along trail between Yellow Dog Creek Abbott's Lower Cabin (w Siskiyou Co.); Salmon Mountains Comment
  UC1483446  Epilobium brachycarpum J. Sawyer and J. Cole 1980-7-22 3964 Siskiyou nw slopes of Cedar Mt. Klamath National Forest, Bray Quad. 1524 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  POM37890  Epilobium brachycarpum Edward Palmer 1892-7-13 2433 Siskiyou Mt. Shasta and vicinity. Comment
  HSC29131  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1305 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  HSC78327  Epilobium ciliatum subsp. glandulosum L. P. Janeway 1983-8-6 507 Siskiyou Poker Flat, upper edge of NE side of meadow 1524 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96409  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, J. Kalt 1996-7-9 364 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC61177  Epilobium glaberrimum subsp. glaberrimum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  POM251089  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-29 11416 Siskiyou Wagon Camp Creek, Mt. Shasta. 1738 Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  HSC207  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  UC642588  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-8-24 13902 Siskiyou along w branch of Squaw Valley Creek Mount Shasta Comment
  POM222043  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-7-26 13739 Siskiyou Near the sources of the springs which feed the creeks in Panther Creek Meadows; Mount Shasta 2439 Comment
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  JEPS39209  Epilobium minutum Geo. D. Butler 1909-4-26 612 Siskiyou Oro Fino Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  SEINET12195418  Epilobium siskiyouense Unknown 1986-1 60353 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt., upper slopes of Hello C[an]y[o]n 1829 Comment
  UC4484  Epipactis gigantea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  SEINET182276 Image available Equisetum hyemale L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek Siskiyou Mtns 1220 Comment
  UC1190385  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou banks of China Creek China Creek 1097 Comment
  HSC34223  Equisetum laevigatum J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA715774  Equisetum laevigatum L. Ahart, John Dittes 2005-6-10 12107 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UC371170  Equisetum laevigatum G. D. Butler 1909-5-22 879 Siskiyou Yreka Comment
  CAS-BOT-BC204622  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou Near Yreka Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  POM57939  Ericameria bloomeri E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1159 Comment
  SD76187  Ericameria bloomeri Helen V. Witham 1969-10-4 543 Siskiyou Black Butte Summit, 1.5 miles southwest of Weed 1000 Comment
  UC1118667  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mouth Mountain House Creek; Dunsmuir Quad., Shasta National Forest, Mountain House Creek 1828 Comment
  UC134298  Ericameria bloomeri Dr. E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1158 Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  UC1408923  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou meadows at Gap Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2133 Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  CAS-BOT-BC299468  Ericameria nauseosa var. speciosa Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  JEPS82416  Ericameria nauseosa var. speciosa Gilbert Muth 1966-8-7 503 Siskiyou Lookout Trail, Ridge Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC293495  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  HSC75805  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-16 10141 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  JEPS101141  Erigeron bloomeri var. nudatus Dean W. Taylor 1996-6-18 15723 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CHSC62178  Erigeron cervinus Wayne Rolle 1991-8-1 485 Siskiyou Siskiyou Mountains. On east side of Pyramid Peak. Between small lake and the small pond above it. 1615 Comment
  RSA790073  Erigeron cervinus Rebecca Wenk 2006-9-2 546 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  CHSC86671  Erigeron divergens Jenny Marr 1993-7-1 54 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC296951  Erigeron eatonii var. eatonii A. A. Heller 1922-7-15 13698 Siskiyou In wet soil at the western entrance to Medicine Lake 2133 Comment
  HSC67699  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-8 2470 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC19466  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-18 1372 Siskiyou E of Waterdog Lake 2012 Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  JEPS84322  Erigeron glacialis var. glacialis L. R. Heckard with J. Hickman et al. 1986-7-17 6475 Siskiyou trail up Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley, in a n-facing cirque) 1800 Comment
  UC1409459  Erigeron glacialis var. glacialis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1174 Siskiyou High Lake Basins in the vicinity of English Peak, meadow n of Tobacco lake; Salmon Mountains, Western Siskiyou County, Marble Mountain W 1889 Comment
  CAS-BOT-BC300861  Erigeron glacialis var. glacialis Lillian Mott 1976-7-18 58 LM76 Siskiyou North of Lily Pad Lake west of Cook and Green Pass 1828 Comment
  JEPS84318  Erigeron inornatus var. inornatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6330 Siskiyou ca 0.5 air mi. from Red Butte, w of Cook and Green Pass. ca 7 mi nne of Seiad Valley 1730 Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  OBI58648  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 1000 Comment
  CAS-BOT-BC295459  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS101307  Erigeron klamathensis Dean W. Taylor 1999-8-12 17319 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  JEPS89705  Erigeron klamathensis Dean William Taylor 1972-7-3 1599 Siskiyou at Cook and Green Pass Cook and Green Pass 1371 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  JEPS109704  Erigeron petrophilus var. viscidulus Dean W. Taylor 2002-7-20 18266 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  RSA357588  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  CDA5862  Erigeron philadelphicus L. Ahart, J. Dittes 2005-6-1 12082 Siskiyou About 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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  JEPS41368  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-7-20 326 Siskiyou Humbug Creek Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC300312  Erigeron tener Alice Eastwood 1912-8-30 2011 Siskiyou Mount Eddy Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  HSC61210  Eriogonum compositum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS57057  Eriogonum compositum var. compositum W. L. Jepson 1937-7-30 18545 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek Comment
  CAS-BOT-BC242531  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4802 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, on ridge 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  JEPS108712  Eriogonum congdonii Thomas W. Nelson and Jane P. Nelson 2006-8-4 9471 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08. E side of North-South running ridge. 1670 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  UC637041  Eriogonum elatum Edward Lee 1934-8-14 1096 Siskiyou near summit of Little Grayback; Siskiyou-Del Norte County line 1828 Comment
  CAS-BOT-BC255726  Eriogonum elatum var. elatum John Thomas Howell 1937-7-21 13154 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 1524 Comment
  JEPS2577 Image available Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; Near Yreka, Siskiyou Co. Comment
  HSC77152  Eriogonum hirtellum L. P. Janeway 1983-6-26 349 Siskiyou Below Rd. 18N33 0.5 mi. from the Grayback Rd. 976 Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  UC912851  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou above mouth of the Shasta River; Klamath River Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC725518  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou spring above Horse Camp Comment
  CAS-BOT-BC263182  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  HSC19505  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-7 1075 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  RSA749252  Eriogonum nudum var. pubiflorum K. M. Meyer, A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  UC77613  Eriogonum nudum var. pubiflorum M. K. Curran July 1887 Siskiyou Ager Comment
  CAS-BOT-BC272482  Eriogonum nudum var. pubiflorum L. R. Abrams 1922-8-6 9908 Siskiyou Between Summit and Hornbrook Comment
  SD23790  Eriogonum pyrolifolium var. pyrolifolium William Bridge Cooke 1938-8-18 11495 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  SD76169  Eriogonum pyrolifolium var. pyrolifolium Helen V. Witham 1969-10-9 605 Siskiyou Mt. Shasta, in scree at timberline 2400 Comment
  RSA142605  Eriogonum pyrolifolium var. pyrolifolium P. A. Munz 1960-8-22 24195 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC271964  Eriogonum sphaerocephalum var. halimioides M. K. C. 1887-7-1 s.n. Siskiyou Gazelle Comment
  SEINET5331617  Eriogonum sphaerocephalum var. halimioides G. Butler 1910-5-27 1428 Siskiyou Near Yreka. Comment
  HSC43450  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1718 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  UC164080  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Yreka Comment
  CAS-BOT-BC267929  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  JEPS56187  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  JEPS56199  Eriogonum umbellatum var. dumosum B. Wise Neilson 1936-10-18 Siskiyou 2 mi nw Elna Mt.; Salmon Mt. Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC265195  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  RSA141264  Eriogonum umbellatum var. polyanthum P. Quentin Tomich 1954-6-20 417 Siskiyou Valentine Cave, Lava Beds National Monument. 1372 Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  UCD77650  Eriogonum umbellatum var. polyanthum Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 2026 Comment
  JEPS56168  Eriogonum vimineum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Shasta Springs Comment
  RSA50139  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mi. from Cecilville on way to Forks of Salmon 716 Comment
  RSA238940  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Common around small pools in wet boreal meadow that feeds Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CDA33200  Eriophorum crinigerum Gordon Leppig 1998-7-1 908 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  CAS-BOT-BC301115  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  CAS-BOT-BC301138  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 119 Siskiyou 10 m. n. Weed, on K. Falls road Comment
  POM358027  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  JEPS34614  Eriophyllum lanatum var. grandiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14570 Siskiyou plateau at Upton (near Sisson) Comment
  UC31778  Eriophyllum lanatum var. grandiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  CAS-BOT-BC301721  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle 1066 Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  JEPS84050  Eriophyllum lanatum var. lanceolatum L. R. Heckard with J. Hickman et al. 1986-7-17 6479 Siskiyou along road above and w Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  UC1313026  Eriophyllum lanatum var. lanceolatum J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3751 Siskiyou Black Marble Mountain Marble Mountain Wilderness Area (sw ridge) 2133 Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  UC718155  Eriophyllum lanatum var. lanceolatum Carl B. Wolf 1934-7-4 5943 Siskiyou 13.5 mi from Horse Creek Bridge (Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  POM358045  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  HSC36565  Erysimum perenne J. O. Sawyer 1969-8-4 1829 Siskiyou Above Sugar Lake 2134 Comment
  CHSC86451  Erythranthe guttata Jenny Marr 1993-7-1 68 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  RSA211424  Erythranthe pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the south fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC78191  Erythronium grandiflorum subsp. grandiflorum L. P. Janeway 1983-7-3 378 Siskiyou Poker Flat 1524 Comment
  RSA78844  Erythronium grandiflorum subsp. grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  CAS-BOT-BC133303  Erythronium klamathense W. R. Dudley 1893-6-19 s.n. Siskiyou Castle Lake, near Mt. Shasta Comment
  CDA39343  Erythronium oregonum subsp. leucandrum D. Osterhandt & D. H. Shaw 1979-5-3 s.n. Siskiyou Near Sawyers Bar 0 Comment
  CAS-BOT-BC403682  Eschscholzia californica Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  UC896392  Eucephalus glabratus A. A. Heller 1915-8-26 12242 Siskiyou n side Mt. Eddy 1767 Comment
  SD241733  Eucephalus ledophyllus Dean Wm. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley). 1890 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  UC1096796  Euphorbia crenulata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-15 13104 Siskiyou just s Weed; Scott Mountains Comment
  UC163984  Euphorbia crenulata Geo. D. Butler 1910-4-22 1220 Siskiyou Kidder Creek Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
Read comments
Jan 23 2011
  JEPS24815  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou just below and n of Scott Mountain 1615 Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 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
  HSC19418  Festuca occidentalis J. O. Sawyer 1969-7-26 1576 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UCD66350  Festuca rubra L. Whitney 1934-6-29 2223 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  RSA239112  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  CAS-BOT-BC53260  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy 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-BC60023  Frangula purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, ne. base of Mt. Eddy in moist soil in the forest. 1188 Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. 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
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  HSC16197  Fraxinus latifolia C. B. Wolf 1927-8-26 998 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  CAS-BOT-BC506209  Fritillaria pudica L. E. Smith 1913-4-1 s.n. Siskiyou Road between Montague and Yreka Comment
  UCD121734  Galium aparine J. M. Tucker 1950-7-23 1935 Siskiyou West of Mount Shasta High School, town of Mount Shasta. Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  JEPS25845  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7470 Siskiyou roadbank on state Hwy 96 about 5 mi s Clear Creek ((or 4 mi n of Swillup Creek), along river); Klamath River 292 Comment
  JEPS52698  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6137 Siskiyou 5 mi ne Cecilville (on road to Callahan, Shadow Creek campsite) 975 Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  UC1949249  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  SBBG18851  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-7-3 8073 Siskiyou Scott Mtns, S of Calahan Comment
  HSC62270  Galium muricatum Al Hobart 1968-8-20 Siskiyou Young's Valley Comment
  JEPS52759  Galium porrigens var. porrigens G. Ledyard Stebbins 6136 Siskiyou 2 mi w Cecilville (on road to Forks of Salmon) Comment
  POM60035  Galium trifidum Copeland 1904-8-14 3935 Siskiyou Sisson. Comment
  HSC19185  Galium triflorum J. O. Sawyer 1968-7-23 584 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC19070  Galium triflorum J. O. Sawyer 1969-6-11 834 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS66747  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou near Yreka Comment
  UC1409479  Garrya fremontii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1199 Siskiyou near Willow Springs (between Abbotts Upper Cabin and English Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  JEPS66603  Gaultheria ovatifolia J. G. Lemmon 1879-1 Siskiyou Sisson Comment
  UC422805  Gayophytum diffusum subsp. parviflorum H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  HSC16313  Gayophytum diffusum subsp. parviflorum D. M. Thomson 1965-6-19 97 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC29480  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Salmon Mtns., above Willow Spring on English Lake Trail 1677 Comment
  HSC34828  Gayophytum diffusum subsp. parviflorum J. P. Smith, J. O. Sawyer 1975-10-23 8487 Siskiyou 1768 Comment
  POM355398  Gayophytum diffusum subsp. parviflorum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  POM230315  Gayophytum heterozygum J. T. Howell 1937-7-24 13383 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC422807  Gayophytum racemosum Milo S. Baker 1898-8-1 504 Siskiyou Medicine Lake; sw side Comment
  JEPS47042  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou McCloud River Comment
  JEPS83574  Gentiana calycosa Dean Wm. Taylor, Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters of McCloud River drainage Tate Creek; , Forest Road 36N06 1484 Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  UCD169045  Gentiana newberryi B. Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River. 1920 Comment
  UCD35430  Gentiana newberryi Beecher Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  LA205553  Gentiana setigera C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670.0 Comment
  SEINET191268  Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Marble Mt. Wld Area; Half Moon Meadow. 1670 Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  CAS-BOT-BC143589  Geum triflorum A. H. Kramer 1933-1-1 s.n. Siskiyou Lassen National Park Comment
  SEINET6709654  Geum triflorum var. ciliatum G. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  JEPS44105  Gilia capitata subsp. capitata W. B. and V. G. Cooke 1965-7-12 35168 Siskiyou throughout rest area at turnout along US 97 n Whitney Creek (Mt. Shasta); , n of Whitney Creek 1371 Comment
  JEPS69515  Gilia capitata subsp. capitata Geo. D. Butler 1909-5-10 741 Siskiyou near Yreka; near Yreka Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  JEPS101158  Glossopetalon spinescens var. aridum Dean W. Taylor 1996-6-18 15703 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC67728  Glyceria elata John S. Palmer 1980-8-12 692 Siskiyou SE of Wards Gap. 1189 Comment
  UC1024699  Glyceria elata Leo Whitney 1934-6-24 2146 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  RSA15796  Gnaphalium thermale C. B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi N of Gottville P. O. Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  JEPS83864  Goodyera oblongifolia Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass (ne side of Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  UC4511  Goodyera oblongifolia W. H. Brewer 1862-9-16 1414 Siskiyou on Mount Shasta Mount Shasta Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  UC4512  Goodyera oblongifolia W. H. Brewer 1862-9-9 1358 Siskiyou Upper Sacramento, between Camps 97 and 98 Upper Sacramento Comment
  OBI55543  Grindelia nana David J. Keil, Kathleen Keil 1992-7-24 23568 Siskiyou E of McCloud along hwy 89, 18.9 mi W of Shasta County line. Comment
  CDA37677  Gypsophila paniculata R. Breckenridge/D. Kratville 2002-6-2 s.n. Siskiyou Weed; College Ave. 0 Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  HSC61912  Hackelia micrantha Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA235885  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-17 2063 Siskiyou Siskiyou Mountains, 20.9 miles north of Happy Camp (Calif. Hwy. 96) 1.5 miles from jct. U.S. Forest Roads 1916 & 1916B on road 1916. 1372 Comment
  CHSC31061  Hackelia mundula M. S. Taylor 1980-7-8 3108 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  RSA167325  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou Near Oregon-California State Line, on the Takilma-Happy Camp Road. 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
  HSC560  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC504593  Hastingsia alba Lillian Mott 1977-7-4 32 LM76 Siskiyou Along road from Creek and Green Pass to Lily Pad Lake 1524 Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC504608  Hastingsia alba Alice Eastwood 1912-7-17 1190 Siskiyou Sisson Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC302452  Hazardia whitneyi var. discoidea Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad lake, headwaters of Middle Fork of upper Sacramento River 2103 Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  HSC61973  Hazardia whitneyi var. discoidea Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 1982 Comment
  HSC92183  Hazardia whitneyi var. discoidea Jennifer Whipple 1977-8-4 2164 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2195 Comment
  CAS-BOT-BC306365  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou Near mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC306745  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River) Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  UC1076043  Helianthella californica subsp. nevadensis Herbert L. Mason 1947-5-17 14761 Siskiyou on Scott Mountain Road five mi s Callahan Comment
  UC1034577  Helianthella californica subsp. nevadensis Douglas Barbe 1955-7-26 267 Siskiyou nw slope Scott Mtn (along a dry ditch) 1828 Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  HSC103638  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 7819 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  RSA68881  Helianthella californica var. shastensis A. E. Culbertson 1943-7-1 75 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
  HSC5783  Helianthus annuus R. C. Wunner 1965-7-21 409 Siskiyou California Lava Beds National Monument; Near Canby Cross on both sides of the road 1220 Comment
  UCR80231  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 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
  HSC101743  Herniaria hirsuta subsp. hirsuta J. P. Smith, J. O. Sawyer 2010-5-2 12804 Siskiyou Oak Bottom River Access Road 175 Comment
  CDA3752  Hesperis matronalis William J. Ferlatte 1990-5-23 Siskiyou Old Edgewood Road near railroad undercrossing, Edgewood. 0 Comment
  JEPS1684  Hesperochiron californicus J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  POM73768  Hesperochiron pumilus Geo. D. Butler 1910-4-21 1210 Siskiyou Oro Fino. Comment
  JEPS101011  Hesperolinon micranthum Dean W. Taylor 1987-6-24 9051 Siskiyou Tom Young Flat 1280 Comment
  JEPS24634  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6789 Siskiyou a little above and e McBride Springs (s slopes of mountain); Mt. Shasta 1432 Comment
  UC1034060  Hesperolinon micranthum W. Bridge Cooke 1941-9-5 16260 Siskiyou along the Memorial Hwy Mt. Shasta Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  HSC266  Heuchera merriamii William J. Ferlatte 1967-8-21 1067 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2287 Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  CAS-BOT-BC420737  Heuchera merriamii W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky peak of Foxtail Ridge Salmon Mts. Comment
  CAS-BOT-BC420933  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou Near Sisson Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  RSA0063112  Heuchera micrantha var. micrantha Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  HSC58951  Heuchera rubescens Gilbert Muth 1975-7-31 4649 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  CHSC1637  Heuchera rubescens var. glandulosa M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CDA7968  Hieracium bolanderi J. R. Grisham 1960-7-11 4659 Siskiyou Hambone Wells No. 1, Toad Lake. 0 Comment
  RSA237426  Hieracium greenei Frederick W. Oettinger 1969-8-18 1437 Siskiyou Horse Range Lake Basin to English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC897833  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  UCSB63903  Hieracium nudicaule Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  CAS-BOT-BC316012  Hieracium nudicaule H. M. Hall 1928-7-4 5484 Siskiyou Summit of dividt between Sawyers Bar and Etna Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC316033  Hieracium scouleri A. A. Heller 1905-6-22 8088 Siskiyou Along the railroad near Igerna Comment
  HSC29196  Hieracium scouleri Frederick W. Oettinger 1969-8-9 1257 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Tom's Lake Basin 1890 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  RSA238749  Hieracium scouleri Frederick W. Oettinger 1969-9-4 1642 Siskiyou Slope from Lily Pond to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  UC688880 Image available Hierochloe odorata Gus Hormay 1944-7-19 Siskiyou Kuck's Cabin, Ball Mountain, west of Mt. Hebron Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  HSC40613  Holodiscus discolor J. P. Smith, Steve Selva 1970-6-17 4094 Siskiyou 6 mi. E of Somes Bar 259 Comment
  RSA11810  Holodiscus discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  CAS-BOT-BC152362  Holodiscus discolor var. discolor Gilbert Muth 1965-8-3 s.n. Siskiyou Creek below Marble Valley Guard Station Comment
  CAS-BOT-BC152379  Holodiscus discolor var. discolor Doris K. Kildale 1929-5-26 9190 Siskiyou Hawkins Bar on Salmon River 609 Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  CHSC69087  Holodiscus microphyllus var. glabrescens Vernon Oswald; Lowell Ahart 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  RSA105466  Horkelia daucifolia Milo S. Baker 1955-7-25 13068 Siskiyou 2 miles S of Hazelle, Hwy 99 915 Comment
  HSC82562  Horkelia daucifolia var. daucifolia Thomas W. Nelson, Jane P. Nelson 1979-5-26 4717 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  RSA317342  Horkelia fusca subsp. pseudocapitata James R. Shevock 1972-7-25 2223 Siskiyou Hwy 79 near Mt. Shasta, NE of Weed. 1524 Comment
  SBBG72545  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson) Comment
  HSC86  Horkelia fusca var. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Big Flat, near public campground 1524 Comment
  JEPS84075  Horkelia hendersonii L. R. Heckard with J. Hickman 1986-7-17 6501 Siskiyou ca 15 mi Hwy 96 (Walker) (road to Condrey Mt.); Oak Knoll Ranger Station 2000 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  UCD106082  Hosackia crassifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit on road from Happy Camp to O'Brien, Oregon. Comment
  UCD106128  Hosackia oblongifolia A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy. Comment
  HSC41812  Hulsea nana Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  POM260543  Hulsea nana W. Bridge Cooke 1939-7-26 s.n. Siskiyou Mount Shasta: scattered through the lava talus along the Summit Trail below Lake Helen Comment
  UC1733771  Hydrophyllum capitatum var. alpinum Kay H. Beach 1940-5-15 1038 Siskiyou Bull Meadows Comment
  HSC27489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer 1972-5-27 5352 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC95001  Hydrophyllum occidentale R. C. Wenk 2005-7-15 207 Siskiyou Trinity Alps, above S Fork of the Salmon River, along the Yellow Rose Mine Trail. 2133 Comment
  CAS-BOT-BC312853  Hymenoxys lemmonii Elmer I. Applegate 1929-6-18 5736 Siskiyou Shasta Valley north of Edgewood Comment
  CAS-BOT-BC401285  Hypericum perforatum L. E. Smith 1913-6-20 385 Siskiyou Weed Comment
  HSC100267  Hypericum scouleri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13053 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  SD131865  Iliamna bakeri L. R. Heckard, L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U. S. 97, 0.7 mile south of Bolam road junction. Comment
  UC535989  Ipomopsis aggregata Elmer I. Applegate 1923-8-20 3901 Siskiyou Medicin Lake Comment
  HSC77019  Ipomopsis congesta K. T. Stillman 1976-6-25 58 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC76943  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  JEPS17220  Iris chrysophylla J. W. Blankinship 1909-11-6 Siskiyou Dunsmuir Comment
  SD76157  Isatis tinctoria Helen V. Witham 1969-10-7 587 Siskiyou Naturalized along Scott River at bridge to Indian Scotty Campground. 700 Comment
  CDA3761  Isatis tinctoria T. C. Fuller 1958-6-18 2902 Siskiyou 3 miles west of Thompson Creek, 13 miles east of Happy Camp. 0 Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  HSC91421  Isoetes bolanderi Jennifer Whipple 1976-7-24 1536 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC324837  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  HSC75156  Ivesia pickeringii Kenneth M. Balk 1980-7-29 419 Siskiyou Near French Flat 1128 Comment
  CAS-BOT-BC110015  Juncus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Mumbo Basin. 1828 Comment
  CHSC40142  Juncus balticus L. P. Janeway 1983-8-16 549 Siskiyou At Poker Flat. Dry front edge of upper portion of meadow. 1524 Comment
  HSC71107  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4502 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  HSC99798  Juncus bufonius C. B. Wolf 1927-8-26 1088 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  HSC71130  Juncus confusus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4498 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  CHSC96691  Juncus mertensianus Gordon Leppig; Jennifer Kalt 1996-7-9 355 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  RSA238921  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Just south above Horse Range Lake. Salmon Mtns High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  HSC71105  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4511 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1265480  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou midway between Tom Taylor Cabin English Peak (Bear Meadow, at head of Snowslide Gulch, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Snowslide 1996 Comment
  HSC92704  Juncus parryi Jennifer Whipple 1977-7-20 1988 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCD77271  Juncus parryi Robert E. Preston 2001-6-23 1580 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  RSA44499  Juncus patens Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC81140  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  UC618883  Juniperus communis unknown 1938-9-8 11644 Siskiyou n side of Red Butte Mt. Shasta, Red Butte (just below timberline in an Arctic-Alpine habitat) Comment
  NY21384  Juniperus communis W. B. Cooke 1939-7-26 13743 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
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  SFV5165  Juniperus grandis B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC246174  Keckiella lemmonii Alice Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  JEPS12472  Kelloggia galioides Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Upper Sacramento Region Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  JEPS84220  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6510 Siskiyou N slope of Condrey Mountain. 1960 Comment
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CAS-BOT-BC340376  Kyhosia bolanderi Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UC133347  Kyhosia bolanderi E. B. Copeland 3882 Siskiyou Sisson 1066 Comment
  UCD77792  Lapsana communis Robert E. Preston 2000-8-17 1435 Siskiyou McCloud River, along Pine Tree Hollow, ca. 0.5 mi s of Lower Falls, T39N R2W se 1/4 Section 12 975 Comment
  SEINET3131407  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SEINET5327266  Lathyrus japonicus G. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SEINET5327268  Lathyrus jepsonii var. californicus R. McKee 1915-6-29 s.n. Siskiyou Dunsmuir Comment
  JEPS55346  Lathyrus nevadensis var. nevadensis W. L. Jepson 1907-7-6 2853 Siskiyou near Marble Mt.; Cudahy Valley Comment
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CDA16172  Lepidium campestre G. F. Hrusa, T. D. Wilfred 1999-5-31 15071 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  CAS-BOT-BC88926  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  SEINET7073597  Lepidium perfoliatum A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  HSC41630  Lepidium perfoliatum Barbara Kelly 1977-5-21 432 Siskiyou Parking lot at Callahan, next to grocery store Comment
  UC643289  Leptodactylon pungens W. Bridge Cooke 1940-6-27 15218 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  HSC30635  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou Marble Mtn. Wilderness Area, edge of Wiregrass Meadow below English Lake 1677 Comment
  POM74191  Leptosiphon harknessii Edward Palmer 1892-7-13 2463 Siskiyou Mt. Shasta and vicinity. Comment
  UC735039  Lesquerella occidentalis subsp. occidentalis Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-17 3199 Siskiyou summit of n.w. spur of Scott Mt. 1828 Comment
  RSA170201  Lessingia nemaclada Joseph P. Tracy 1949-9-14 18552 Siskiyou At Summerville' on South Fork of Salmon River, 5 miles SE of Cecilville 762 Comment
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Sep 27 2007
  UC33169  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  HSC4872  Leucothoe davisiae J. O. Sawyer 1968-6-25 342 Siskiyou Along Horse Range Creek 1646 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  HSC68543  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-6-24 1077 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC69030  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-7-28 2179 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS86111  Lewisia leeana Wayne Roderick 1966-7-23 Siskiyou near summit of trail to Little Castle Lake; Castle Lake 1828 Comment
  UC164246  Lewisia leeana Geo. D. Butler 1910-8-8 1687 Siskiyou Shackleford Creek 1828 Comment
  RSA760740  Lewisia leeana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1736066  Lewisia pygmaea Dean W. Taylor July 1975 4696 Siskiyou Shasta Ski Bowl at end of Everett Memorial Hwy. Mt. Shasta Comment
  HSC26226  Lewisia triphylla J. P. Smith, J. O. Sawyer 1972-5-27 5356 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  UC1037116  Leymus triticoides Leo Whitney 1934-6-29 2251 b Siskiyou near Tennant; Antelope Creek 1463 Comment
  JEPS121617  Ligusticum grayi Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  CAS-BOT-BC231938  Liliaceae W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klink's meadow Comment
  HSC81563  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6200 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  CAS-BOT-BC509378  Lilium kelleyanum John Thomas Howell 1939-8-7 15114 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  UC164032  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  SEINET8263373  Lilium pardalinum Frank Callahan 1990-7-14 Siskiyou south slope of Mt. Shasta, Wagon Camp Meadows below lower McGinnis springs. 1762 Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  HSC78955  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-13 534 Siskiyou Along S Fork of Indian Creek 1494 Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC123090  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  UCD168842  Limnanthes alba Peter. F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR). I-5 southbound, near exit 730 for central Dunsmuir. 750 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  CDA6298  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-6-11 8955 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC726397  Linnaea borealis var. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalfs Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  JEPS64492  Listera convallarioides W. L. Jepson Jul 1894 21281 Siskiyou Sisson Comment
  UC1408889  Listera convallarioides F. W. Oettinger 1969-8-12 1334 Siskiyou between Yellow Dog Creek and Abbott's Lower Cabin (stream spring at the Cedars, along Main North Fork Trail); Salmon Mountains 960 Comment
  RSA697648  Lithocarpus densiflorus var. densiflorus Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  RSA238326  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC24090  Lithophragma tenellum J. O. Sawyer 1971-7-16 2435 Siskiyou Slope NE of Deep Lake 2165 Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC43055  Lithospermum californicum Ken Stillman 1976-8-24 446 Siskiyou E and N slopes of Williams Point 366 Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC77106  Lomatium macrocarpum K. T. Stillman 1976-8-7 182 Siskiyou Marble Mtn. Wilderness Area. Comment
  POM132828  Lomatium macrocarpum Geo. D. Butler 1910-5-18 1359 Siskiyou Yreka Comment
  UC21098  Lomatium nudicaule W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mt. Shasta, Sisson Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  POM82328  Lomatium piperi Geo. D. Butler 1909-2-28 578 Siskiyou Around Yreka Comment
  UC106267  Lomatium triternatum var. macrocarpum K. Brandegee July, 1887 Siskiyou Hornbrook Comment
  CDA15574  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Siskiyou Mountains; S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. Comment
  SEINET8056605  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain. 1219 Comment
  RSA238544  Lonicera conjugialis Frederick W. Oettinger 1967-8-21 318 Siskiyou Due NW of Pine Lake in Pine Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC240840  Lonicera interrupta L. R. Short 1933-6-16 44 Siskiyou Klamath National Forest. S. side of Klamath R. 609 Comment
  CAS-BOT-BC200969  Lotus Elmer I. Applegate 1895-5-30 953 Siskiyou Sisson Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  RSA582427  Lotus douglasii Louis C. Wheeler 1935-5-26 3529 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  SEINET10452750  Lotus nevadensis var. douglasii Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6976 Siskiyou Western yellow pine, lobocedrus, douglas fir foret, 6 mi sw of callahan. 1524 Comment
  JEPS75659  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou Yreka Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  RSA105411  Lotus oblongifolius var. nevadensis G. D. Barbe 1955-6-29 048 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UC60886  Lotus oblongifolius var. oblongifolius W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  JEPS93915  Lotus purshianus var. purshianus Vernon H. Oswald and Lowell Ahart 1998-8-3 9415 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 USFS 41N10; Kangaroo Lake Road 1554 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  RSA592525  Lotus unifoliolatus S. O. Mattoon 1978-5-29 6 Siskiyou Klamath N. F.; Elliott Creek. 915 Comment
  CAS-BOT-BC140246  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Trail from Big Rock Camp to Jump off, Marble Mountain Wilderness Area 1981 Comment
  CHSC1561  Luetkea pectinata V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC62027  Luetkea pectinata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak Comment
  UCD113633  Luetkea pectinata Joseph M. DiTomaso 1975-9-10 318 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  SEINET10964911  Lupinus albicaulis subsp. shastensis David B. Dunn 1971-8-15 Dunn 18141 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  UC1409292  Lupinus albicaulis var. shastensis Frederick W. Oettinger 1969-8-19 1462 Siskiyou near Abbott's Basin ((high lake basins in the vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1859 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
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  RSA582455  Lupinus albifrons var. flumineus Louis C. Wheeler 1935-6-13 3581 Siskiyou N side Scot River, Scott Bar Mts. 823 Comment
  HSC32764  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Salmon Mountains: High Lake Basins, Crapo View Gap, English Peak. 2134 Comment
  CAS-BOT-BC215171  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  HSC81669  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6070 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC215102  Lupinus croceus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou N slope of Scott Mountain 1158 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UC1023832  Lupinus croceus Douglas Barbe 1955-7-26 288 Siskiyou n slope Scott Mtn. (at a small pond); Klamath Mountains, n slope of Scott Mtn. 1981 Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  UC157029  Lupinus lepidus var. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  CHSC86647  Lupinus microcarpus Jenny Marr 1993-7-1 30 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1481908  Lupinus nanus K. Morris, Conrad and Dunn 1973-6-2 372 Siskiyou onwy 3 along roadside 0.7 mi s of junction at Etna Road Comment
  UC618892  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Flats Mount Shasta Comment
  RSA104385  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  UC157013  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  NY16013  Lupinus shastensis A. A. Heller 1905-6-13 8024 Siskiyou Near Shasta Spings Comment
  CAS-BOT-BC436707  Luzula comosa var. laxa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy. 96, between Ridge and Humbug roads 1371 Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  UC535929  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  UCD141913  Luzula glabrata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  RSA653985  Machaeranthera canescens var. canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow 1829 Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  JEPS24808  Madia elegans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6817 Siskiyou 7 mi e Callahan 1127 Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC344002  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou Junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River) Comment
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  UC61681  Madia elegans Geo. B. Grant Sept, 1902 5165 Siskiyou Sisson Mount Shasta 914 Comment
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343430  Madia gracilis Alice Eastwood 1912-7-17 1148 Siskiyou Sisson Comment
  UC61072  Madia gracilis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
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Apr 28 2007
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  CAS-BOT-BC512761  Maianthemum racemosum subsp. amplexicaule Wm. Bridge Cooke 1938-6-17 11012 Siskiyou Mount Shasta, Sisson Southern Trail 1524 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  CAS-BOT-BC514189  Maianthemum stellatum Geo. D. Butler 1910-5-15 1343 Siskiyou Mcadam Creek Comment
  POM348018  Medicago lupulina Louis C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 671 Comment
  RSA416000  Melica M. B. Dunkle 1945-7-24 9248 Siskiyou Klamath National Forest; Marble Mountains; Whiskey Camp. Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UCD87563  Melica harfordii R. Tofsrud 1949-8-3 s.n. Siskiyou Scott River about 10 miles south of Scott Bar. Comment
  SBBG16501  Mentha spicata H. and M. Dearing 1939-7-3 3811 Siskiyou Etna Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  RSA17719  Mentzelia laevicaulis Elmer I. Applegate 1923-8-6 3938 Siskiyou Klamath River, 12 miles below mouth of Shasta River. Comment
  SBBG115938  Mentzelia laevicaulis F. G. Parson 1946-7-26 Siskiyou Scott Mtn Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  JEPS35713  Microseris nutans W. L. Jepson 1907-7-5 2829 Siskiyou Marble Mt. 2133 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  JEPS29094  Mimulus breweri Lauramay T. Dempster 1961-7-2 1864 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  SEINET11262493  Mimulus cardinalis Alv Dan Youngberg 1964-6-21 57 Siskiyou Humbolt Meridian.; 0 427 Comment
  UC637069  Mimulus cardinalis Edward Lee 1934-8-12 1043 Siskiyou between Humbug and Seiad Valley (mouth of Walker Creek, s side of river); Klamath River 426 Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  HSC39816  Mimulus lewisii J. O. Sawyer 1969-8-4 1801 Siskiyou Above Sugar Lake 2134 Comment
  JEPS10483  Mimulus microphyllus W. L. Jepson 1937-7-30 18557 Siskiyou Poker Flat Siskiyou Mts. 1584 Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  RSA261454  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA422244  Mimulus nanus var. nanus Louis C. Wheeler 1934-8-6 3052 Siskiyou Rock Gulch off Jaynes Canyon. Siskiyou Mts. Mt. Diablo Mer. 1829 Comment
  JEPS83831  Mimulus primuloides subsp. linearifolius Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  JEPS61326  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill e of Yreka Comment
  CAS-BOT-BC229601  Mirabilis greenei Lester Rowntree 1935-1-1 s.n. Siskiyou Scott River Road Comment
  CAS-BOT-BC433021  Mitella diversifolia Alice Eastwood 1923-5-18 11833 Siskiyou Shasta Springs Comment
  CAS-BOT-BC433014  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou On China Creek 1158 Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  HSC65011  Mitella pentandra D. L. Goforth 1979-7-19 273 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 1 mi. S of upper lake 2226 Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  UC1408866  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou Tom's Lake Basin Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (n side, w Siskiyou Co.) 2103 Comment
  RSA468284  Mitella trifida M. B. Dunkle 1944-6-25 9011 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  CHSC69081  Monardella odoratissima Vernon Oswald; Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  LA62572  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  RSA401675A  Monardella odoratissima M. B. Dunkle 9307 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UC1124592  Monardella odoratissima subsp. glauca H. A. Jensen 1933-9-1 345 Siskiyou Wagon Camp Shasta National Forest, Dunsmuir Quadrangle Comment
  UC25494  Monardella odoratissima subsp. glauca J. W. Morse Jul 1886 Siskiyou Shasta Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  JEPS11899  Monardella odoratissima subsp. pallida Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4785 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forest); Del Norte - Sikiyou Co. Line 1554 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC1299605  Monardella odoratissima subsp. pallida Freed W. Hoffman 1950-7-14 3619 Siskiyou Clear Creek trail North Coast Ranges, Baldy Mountain Comment
  CAS-BOT-BC220266  Monardella sheltonii Dr. E. B. Copeland 1903-6-7 3497 Siskiyou Hornbrook Comment
  CDA23448  Monolepis nuttalliana T. R. Haig, F. D. Horn 1979-9-19 Siskiyou Sharp Mountain Reservoir southeast of Mount Hebron. 0 Comment
  HSC43026  Monotropa hypopitys J. O. Sawyer, K. T. Stillman 1976-7-2 2798 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC27617  Monotropa hypopitys Carl W. Mize 1972-6-23 98 Siskiyou Alongside trail from Camp 3. 709 Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC444795  Montia dichotoma Roxana S. Ferris; Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  UC852057  Montia fontana Louis C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains, Seiad, Klamath River Klamath River; Siskiyou Mountains, Seiad, Klamath River 426 Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  CAS-BOT-BC7353  Montia obtusata Amos Arthur Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  CAS-BOT-BC267047  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  RSA268995  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to jct. and 2 miles N of Pilgrim Creek Nursery Road 1128 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
  CHSC71897  Muhlenbergia richardsonis Vernon H. Oswald; Lowell Ahart 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  JEPS94378  Muhlenbergia richardsonis Vernon Oswald and Lowell Ahart 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi s of Medicine Lake Road on Forest Route 15 Pumice Stone Well; , Forest Route 15 1905 Comment
  JEPS69761  Nama densa var. parviflora W. B. and V. G. Cooke 1972-6-30 45412 Siskiyou above Andesite Crossing (Mount Shasta, Military Pass Road); Mount Shasta, Military Pass Road 1524 Comment
  HSC65668  Nama lobbii Donald W. Miles 1979-7-28 28 Siskiyou Jct. of logging spur rd. and Harris Springs Rd., 12 mi. NE of Bartle 1439 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC60911  Narthecium californicum Al Hobart 19 Jul [year missing] Siskiyou Black Butte Comment
  SEINET3991320  Narthecium californicum Unknown 1953-7-29 Siskiyou Summit of Scott Mountain 1625 Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 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
  RSA237999  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Southwest of Upper English Lake, Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM216006  Nemophila parviflora var. austiniae Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC39738  Nemophila pedunculata J. O. Sawyer 1970-4-3 2097 Siskiyou Along Sugar Creek 915 Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60596  Noccaea fendleri subsp. glauca R. C. Barneby 1954-5-16 11532 Siskiyou 6 miles southwest of Yreka. 975 Comment
  HSC65269  Noccaea fendleri subsp. glauca Rich White 1978-7-6 249 Siskiyou Pond above Elk Hole 1524 Comment
  CDA18414  Noccaea fendleri subsp. siskiyouense G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC63244  Nothochelone nemorosa M. A. Baker 1979-7-31 1084 Siskiyou Marble Mtn. Wilderness, Tickner Hole 3100 Comment
  UCD110210  Notholithocarpus densiflorus R. Tofsrud; J. M. Tucker 1948-8-3 1775 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
Read comments
Mar 12 2012
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  RSA201753  Olsynium douglasii Sandra Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC618629  Oreostemma alpigenum var. andersonii W. Bridge Cooke 1938-9-8 11607 Siskiyou on e slope, in heather association Little Red Butte; Mount Shasta 2590 Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  JEPS82725  Orogenia fusiformis Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km. s.w. Mt. Shasta City (above Castle Lake) 1981 Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC92964  Orthilia secunda Jennifer Whipple 1977-7-22 2029 Siskiyou Near Dobkins Lake 2073 Comment
  HSC92965  Orthilia secunda Jennifer Whipple 1977-8-6 2228 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC458091  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC164266  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1371 Comment
  RSA120883  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1957-7-13 384 Siskiyou Big Flat Public Camp, Klamath National Forest. Along the entrance road into camp. 1524 Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  UC195192  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1911-7-16 256 Siskiyou S Fk Salmon River Comment
  JEPS84027  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  UCD123228  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer; A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest. 13.3 m on Forest Service Rd. 70, off US Hwy 97 toward Oregon. 1956 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
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC413216  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  HSC68993  Packera macounii Maralyn A. Renner 1980-7-28 2168 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CHSC61583  Panicum acuminatum var. acuminatum L. P. Janeway 1983-6-25 342 Siskiyou East side of Klamath River and north side of the Independence Creek Bridge. Top of bluff above the river. 249 Comment
  HSC103015  Panicum acuminatum var. fasciculatum J. P. Smith 2014-6-6 13872 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC74834  Panicum capillare var. capillare J. P. Smith, J. O. Sawyer 1978-7-3 10003 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SEINET8465067 Image available Panicum pacificum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 Comment
  UC455369  Parnassia californica I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork North Fork; Sisson, North Fork Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC202860  Paxistima myrsinites Doris K. Kildale 1928-8-18 6448 Siskiyou Head of north fork Salmon River at Finley's Upper Camp Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  UC1185941  Paxistima myrsinites L. E. Detling 1950-6-9 6598 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  UC164118  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC4829  Pedicularis bracteosa var. flavida J. O. Sawyer 1968-7-23 624 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  UC1190282  Pedicularis contorta Ira L. Wiggins 1955-7-27 13517 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCSB23732  Pedicularis densiflora Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  JEPS82130  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UC1483476  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail about .8 mi e of Cook and Green Pass; Klamath National Forest 1706 Comment
  CAS-BOT-BC67688  Pellaea brachyptera W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC705511  Pellaea brachyptera Marion Ownbey and D. H. Brown 1941-6-22 2424 Siskiyou nw of Yreka (w of Craggy Mt) Comment
  UCR208061  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mtns., East Fork Horse Creek 1524 Comment
  JEPS84173  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6403 Siskiyou ca. 5 mi n of town of Seiad Valley (cirque at head of Hell's Canyon) 1750 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  CDA17133  Penstemon anguineus G. F. Hrusa 2001-6-6 15847 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS101469  Penstemon anguineus Dean W. Taylor 1972-7-3 1593 Siskiyou Cook and Green Pass 1371 Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  JEPS44100  Penstemon cinereus W. B. and V. G. Cooke 1965-7-12 35190 Siskiyou Bolam Road Mt. Shasta, Bolam Road Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CAS-BOT-BC265368  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC61126  Penstemon deustus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC26186  Penstemon deustus J. P. Smith, J. O. Sawyer 1972-5-28 5380 Siskiyou Cecilville-Forks of Salmon 762 Comment
  JEPS22930  Penstemon deustus Volney Rattan June 1879 Siskiyou below Orleans; Klamath, below Orleans Comment
  RSA412527  Penstemon deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  CHSC91350  Penstemon deustus var. suffrutescens Lowell Ahart; John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  SBBG7147  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  UC642560  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1939-7-13 13670 Siskiyou Panther Creek Meadows Mount Shasta, Panther Creek Meadows Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou About 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS11636  Penstemon laetus var. sagittatus W. L. Jepson Jul 17 1902-Jul 22 1902 2067 Siskiyou The Devil's Backbone , The Devil's Backbone (Western Siskiyou) 1828 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  NY627424  Penstemon newberryi var. berryi I. L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  JEPS5709  Penstemon newberryi var. berryi Dorothy Parker 1953-8-9 580 Siskiyou Salmon Mountain 1920 Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  JEPS6891  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  LA209561  Penstemon procerus Wm. Bridge Cooke; 1939-7-7 13605 Siskiyou Mount Shasta, near lower end of the Wagon Camp area 1706 Comment
  HSC61154  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC63133  Penstemon procerus var. brachyanthus M. A. Baker 1979-7-30 1073 Siskiyou E facing rock slope. 2200 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  UC887140  Penstemon rydbergii var. oreocharis A. A. Heller 1938-7-13 15269 Siskiyou along hwy #97 just s Bray; s of Bray 1402 Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  HSC29420  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along ridge between David Mountain and Abbotts Lake Basin and on the old Tanners Peak Trail 1905 Comment
  UC1177549  Phacelia Lincoln Constance and Rimo Bacigalupi 1959-6-16 3673 Siskiyou w slope of mt 3.6 mi above Mt. Shasta (city) (on road to Panther Meadows); Mt. Shasta 1524 Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  HSC92793  Phacelia corymbosa Jennifer Whipple 1978-7-20 2355 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  HSC49958  Phacelia greenei G. L. Clifton, Ground 1978-6-13 1001 Siskiyou Near Forest House, close to the town of Yreka 1037 Comment
  UC1471541  Phacelia hastata subsp. compacta C. Hart Merriam 1898-8-3 Siskiyou head of Squaw Creek Mt. Shasta Comment
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Sep 19 2006
  JEPS94266  Phacelia hastata subsp. hastata Vernon H. Oswald and Lowell Ahart 1998-6-11 9181 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UCD77222  Phacelia heterophylla subsp. virgata Robert E. Preston 2001-6-23 1625 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  CHSC70138  Phacelia mutabilis Jennifer Whipple 1976-7-8 1350 Siskiyou Mount Eddy, Klamath Mountains. Dry slopes and meadows southwest of Dobkins Lake along the drainage into the lake. 2225 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC1057506  Phacelia pringlei Milo S. Baker 1957-6-16 13128 Siskiyou Scott Mt. 1767 Comment
  RSA249719  Phacelia pringlei Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  HSC69570  Phacelia procera Maralyn A. Renner 1980-8-6 2267 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC78325  Phacelia procera L. P. Janeway 1983-7-24 447 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC164146  Phacelia procera Geo. D. Butler 1910-7-8 1679 Siskiyou Shackleford Creek 1524 Comment
  UC1409254  Philadelphus lewisii Frederick W. Oettinger 1968-9-8 793 Siskiyou Abbott's Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1737 Comment
  RSA186330  Phleum alpinum Gilbert Muth 1966-10-16 25 Siskiyou Marble Mountains 1793 Comment
  RSA580859  Phleum pratense L. C. Wheeler 1934-6-22 2752 Siskiyou Cottonwood; Siskiyou Mountains 915 Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  JEPS84257  Phlox adsurgens L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6304 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  SD88543  Phlox adsurgens Darley F. Howe 1972-7-5 4876 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  UC60873  Phlox austromontana Harley P. Chandler Jun 1901 1662 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69741  Phlox diffusa Maralyn A. Renner 1980-6-26 1276 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC7869  Phyllodoce empetriformis Jerry Parker 1968-10-6 156 Siskiyou Salmon Mtns., ridge above Little Duck Lake 2134 Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  CDA5832  Physalis longifolia G. Deal 1967-8-21 Siskiyou A. Beltramo property, Gazelle. 0 Comment
  SFV1495  Physaria occidentalis subsp. occidentalis D. Parker 1952-4-27 213 Siskiyou East Fork of the Scott River. 1220 Comment
  CAS-BOT-BC140489  Physocarpus Alice Eastwood 1917-9-2 6651 Siskiyou Shasta Springs Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  UC1267076  Picea Dorothy Parker June, 1962 Siskiyou Sugar Creek Siskiyou Mountains, Salmon Mountains 1219 Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  CAS-BOT-BC78168  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou near Big Meadow Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  UC1001952  Picea engelmannii Mrs. B. M. Berry 1954-10-7 2 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan); Salmon Mountains, Sugar Creek 1828 Comment
  CAS-BOT-BC73388  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte. Comment
  JEPS110479  Pinus albicaulis Robert E. Preston 2001-6-23 1519 a Siskiyou Klamath National Forest, E peak of Rainbow Mountain. 2118 Comment
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Jun 3 2018
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
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Nov 12 2011
  UC618592  Pinus attenuata W. Bridge Cooke 1938-8-19 11534 Siskiyou below Wagon Camp (s and se slopes); Mount Shasta 1676 Comment
  NY579173  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
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 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
  UC401405  Pinus contorta Annie M. Alexander and L. Kellogg 1911-6-20 161 Siskiyou Jackson Lake 1798 Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  UC401397  Pinus lambertiana Geo. D. Butler 1908-7-12 517 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC78958  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UCD134814  Pinus monticola J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
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Mar 6 2015
  CAS-BOT-BC72863  Pinus ponderosa Carl B. Wolf 1927-8-26 1060 Siskiyou On the Klamath River, 3 mi. below Gottville. Comment
  SEINET5462048 Image available Pinus ponderosa Ross C. Clark, Bob Harvey; Chris Harvey 23914 Siskiyou Mt. Shasta. Comment
  JEPS25766  Piperia elongata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7471 Siskiyou about 5 mi s Clear Creek (or 4 mi n of Swillup Creek, along road-bank on State Hwy 96, along Klamath River); Klamath River 292 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  SBBG106810  Plagiobothrys nothofulvus K. L. Chambers, C. G. Carlbom 1962-4-21 2104 Siskiyou Hwy 99, 5.6 mi S of the center of Yreka Comment
  CHSC71289  Plagiobothrys tenellus Vernon H. Oswald; Lowell Ahart 1998-6-11 9177 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  UC1072710  Plantago lanceolata Douglas Barbe 1955-7-1 74 Siskiyou 1.3 mi e Etna (on the Westside Road to Callahan, to the s of the road); Klamath Mountains 853 Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  UC450463  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  HSC30561  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  HSC101548  Poa palustris J. P. Smith 2009-8-22 12657 Siskiyou Along the road to Bray. 1422 Comment
  HSC68979  Poa pratensis Maralyn A. Renner 1980-7-24 2104 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  LA12604  Poa pratensis Jason Swallen; 1939-8-8 13847 Siskiyou Mount Shasta, near the spring over flows at Horse Camp 2438 Comment
  RSA129255  Poa pratensis H. A. Jensen 1933-7-27 s.n. Siskiyou Grey Butte 2073 Comment
  CAS-BOT-BC256015  Poa pratensis William M. Hiesey 1947-8-23 556 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek, 2 mi. N. of Walker 548 Comment
  CHSC91252  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM204949  Poa pringlei E. B. Copeland 1903-8-15 3894 Siskiyou Mt. Shasta 2348 Comment
  UC167208  Poa rhizomata Geo. D. Butler 1910-4-21 1205 Siskiyou Oro Fino; ; Siskiyou Co. Comment
  CAS-BOT-BC237706  Poa secunda Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Welll, Lava Beds National Monument Comment
  CAS-BOT-BC255013  Poa secunda K. T. Stillman 1976-6-25 98 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap and Elk Valley trail Comment
  POM198427  Poa secunda Geo D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  CHSC93550  Poa secunda subsp. juncifolia Lowell Ahart; John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1132850  Poa secunda subsp. secunda M. H. Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC1579532  Poa secunda subsp. secunda Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Lava Beds Nat'l Monument 1371 Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  UCD23603  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1250 Siskiyou Yreka. Comment
  UCD91753  Poa secunda subsp. secunda A. H. Murphy 1956-8-16 56 V Siskiyou Klamath National Forest. 1828 Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  POM75554  Polemonium californicum Geo D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  UC56864  Polemonium micranthum F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  RSA215628  Polemonium pulcherrimum Gilbert Muth 1969-8-7 1273 Siskiyou Boulder Peak Ridge. 2470 Comment
  UC609338  Polemonium pulcherrimum subsp. pulcherrimum Eleanor Burks Hart 1938-8-18 935 Siskiyou on Boulder Peak 2529 Comment
  UCD77932  Polyctenium fremontii Robert E. Preston 1997-6-1 1034 Siskiyou Grass Lake 1536 Comment
  SEINET12203957  Polygala cornuta M. Ownbey, Meyer, F. G. 1940-1 2164 Siskiyou 7 mi NW of McCloud Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CAS-BOT-BC413949  Polygonum aviculare subsp. aviculare Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow Comment
  SEINET3160303  Polygonum bistortoides G. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC414396  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  POM104413  Polygonum douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake, Shackleford Creek Comment
  UC164402  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  POM104485  Polygonum douglasii Geo. D. Butler 1908-8-8 186 Siskiyou W Fork Wooly Creek. 1829 Comment
  JEPS79755  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-7-23 192 Siskiyou lot w Catholic Cemetary; Yreka Comment
  UC850392  Polygonum douglasii subsp. spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  RSA65945  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1934-9-26 11429 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  SEINET4335357  Polygonum minimum G. D. Butler 1910-7-13 1776 Siskiyou Shackerford Creek 1219 Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC402687  Polygonum phytolaccifolium Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  RSA237795  Polygonum phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  RSA466413  Polygonum phytolaccifolium Louis C. Wheeler 1934-6-1 2604 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  CAS-BOT-BC420223  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1923-5-29 12007 Siskiyou Cantara Comment
  CAS-BOT-BC109285  Polygonum shastense R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta. Comment
  RSA142622  Polygonum shastense P. A. Munz 1960-8-22 24182 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC41045  Polystichum imbricans J. O. Sawyer 1970-3-4 2064 Siskiyou N of Idlewild Campground 762 Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC76728  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 A Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76735  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-6-1 9780 Siskiyou Black Bear Trail to Sawyers Bar Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  UC1936239  Polystichum kruckebergii John Game and Jeff Greenhouse 04 -76 Siskiyou Marble Mountains; between the Pacific Crest Trail and a ridge running E from the main ridge between Kings Castle and Black Marble Mountain. About 9/10 mi N and one quarter air mi E of the summit of Black Marble Mountain. 6,700 +- 100 ft 2042 Comment
  CAS-BOT-BC72381  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  POM210932  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mountains 1768 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  HSC79128  Polystichum lemmonii C. J. Thomas 1983-10-1 74 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  LA204821  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-11 805 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
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Oct 24 2014
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  HSC19882  Populus fremontii subsp. fremontii R. C. Wunner 1965-8-14 424 Siskiyou Lava Beds National Monument, Hovey Pt. 1220 Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC102772  Populus tremuloides E. G. Dudley 1907-8-16 s.n. Siskiyou Peak N. of Jackson Lake Comment
  RSA184758  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Black Mountain Trail. Meadow above Marble Valley. Marble Mountains. 1860 Comment
  UC1409244  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou n Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  SBBG126112  Potamogeton berchtoldii L. Ahart, J. Dittes 2010-7-30 16963 Siskiyou swift deep water of the Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  UCD138308  Potamogeton gramineus Calvin McMillen; Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  HSC68470  Potentilla breweri Maralyn A. Renner 1980-6-26 1140 Siskiyou Flint Valley. 1390 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA261500  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  HSC86548  Potentilla drummondii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  POM250748  Potentilla flabellifolia W. Bridge Cooke 1938-8-9 11626 Siskiyou Mt. Shasta. 2500 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  JEPS93908  Potentilla fruticosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9439 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA507455  Potentilla glandulosa 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
  UC70340  Potentilla gracilis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  CDA26100  Potentilla gracilis subsp. nuttallii T. C. Fuller 1958-6-19 1822 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  UCD113809  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, ca. 22 miles northeast of Weed. Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  HSC75127  Prunella vulgaris subsp. lanceolata J. P. Smith, Thomas W. Nelson 1979-6-16 10147 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  HSC18809  Prunus emarginata R. C. Wunner 1965-8-17 440 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  POM339722  Prunus emarginata F. R. Fosberg 1969-8-16 51431 Siskiyou McCloud Comment
  RSA453222  Prunus emarginata Christopher Davidson 1975-6-5 2650 Siskiyou 2.7 miles E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1311 Comment
  UC796547  Prunus emarginata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11776 Siskiyou about 5.5 mi from Etna (on forks of Salmon Road) Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CAS-BOT-BC154677  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CAS-BOT-BC151230  Prunus virginiana var. demissa L. E. Smith 1913-8-12 520 Siskiyou McCloud Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  CAS-BOT-BC80173  Pseudotsuga menziesii Doris K. Kildale 1929-4-27 7480 Siskiyou Cecilville Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  NY63884  Pseudotsuga menziesii var. menziesii D. B. Dunn 1973-6-3 20650 Siskiyou Vicinity of the campground on the Salmon River, 8.3 miles west of Cecilville Comment
  JEPS89383  Psilocarphus brevissimus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9863 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  CAS-BOT-BC460552  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley, by waterfall, Marble Mts. 1828 Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1409506  Pterospora andromedea F. W. Oettinger 1969-8-21 1482 Siskiyou trail from Abbott's Lake to Cold Springs (w Siskiyou Co.) 1524 Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  CHSC93527  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET236688 Image available Puccinellia nuttalliana Louis C. Wheeler 1935-6-30 3635 Siskiyou 3 mi. south of Grenada Shasta Valley 792 Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  UC1096826  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou road cut just s Weed; North Coast Ranges Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC19202  Pyrola picta J. O. Sawyer 1968-7-2 373 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  CAS-BOT-BC466152  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CAS-BOT-BC362384  Pyrrocoma racemosa var. racemosa Thos. C. Fuller 1958-8-13 s.n. Siskiyou Scott Valley, 5 mi. s. of Ft. Jones Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC94665  Quercus garryana L. R. Abrams 1924-8-7 9895 Siskiyou Klamath River 6 miles below Hornbrook Comment
  UCD40420  Quercus kelloggii Rodney Gale Myatt 1971-9-22 1193 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. Comment
  CAS-BOT-BC104360  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  CHSC53244  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  POM267243  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles north of Happy Camp. Comment
  UCD14456  Quercus sadleriana Dean W. Taylor 1972-7-1 1567 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  CAS-BOT-BC104480  Quercus vacciniifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail near Mt. Shasta Comment
  CAS-BOT-BC104617  Quercus vacciniifolia William Bridge Cooke 1941-9-16 16320 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  CAS-BOT-BC104643  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS20044  Quercus vacciniifolia George D. Butler 1908-8-11 231 Siskiyou Shackleford Creek 1158 Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA659521  Quercus vacciniifolia Gary D. Wallace 1990-7-1 2958 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  SBBG113473  Quercus vacciniifolia D. Wilken with E. Painter 2000-8-10 15856 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
  RSA733905  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  RSA638899  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  UC1265406  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-8-24 1541 Siskiyou at outlet Upper English Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC454031  Ranunculus aquatilis var. capillaceus I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  RSA238280  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SBBG48693  Ranunculus aquatilis var. diffusus R. N. Philbrick 1974-9-2 Siskiyou Shasta River, just E of Grenada Comment
  UC922305  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-29 5902 Siskiyou Trail to Hidden Lake Marble Mountains, Sky High Valley (by way of Campbell Lake trail, facing n to Marble Ridge) 1767 Comment
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  UC72753  Ranunculus flammula Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  UC165989  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 784 Siskiyou near Yreka Comment
  RSA604737  Ranunculus occidentalis var. eisenii Louis C. Wheeler 1935-5-26 3535 Siskiyou Siskiyou Mts. 854 Comment
  RSA256708  Ranunculus orthorhynchus J. P. Smith, Thomas W. Nelson 1974-5-25 7471 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA60630  Ranunculus orthorhynchus I. L. Wiggins 1950-5-28 12369 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  POM268891  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  LA91288  Rhamnus californica Wm. Bridge Cooke; 1938-6-17 11041 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  POM136602  Rhamnus rubra H. M. Hall, E. B. Babcock 1903-06 s.n. Siskiyou Head of McCloud River Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCD77802  Rhododendron columbianum Robert E. Preston 2002-7-13 1919 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  CHSC71576  Rhododendron neoglandulosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9430 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC199741  Rhododendron occidentale var. paludosum Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC165929  Ribes aureum Geo. D. Butler 1909-4-13 598 Siskiyou near Yreka Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  UCR47904  Ribes cereum 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
  SEINET13942355 Image available Ribes cereum W. M. Bridge Cooke 1941-1 16379 Siskiyou A large colony of shrubs occurs around the source of MacBride Springs, Mt. Shasta. Elevation 5000 Comment
  RSA0024874  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  SEINET9321585  Ribes cereum var. cereum 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
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  CAS-BOT-BC173291  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS84300  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 a Siskiyou Takilma to Happy Camp (Indian Creek Road, n-facing road bank and ledges above, just s of state line) Comment
  UC637111  Ribes lacustre Annetta Carter 1934-8-13 709 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC173384  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on Forks of Salmon Road 1818 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  JEPS84055  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6297 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC165921  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackelford Creek Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  UCR80296  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou Road leading through International Paper property to the Duck Lakes trailheads 1524 Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  SEINET5339459  Ribes marshallii G. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  HSC100867  Ribes montigenum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13063 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  JEPS82696  Ribes nevadense Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow) 1912 Comment
  HSC41076  Ribes roezlii J. O. Sawyer 1970-4-3 2051 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 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
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  JEPS49235  Ribes roezlii var. cruentum W. L. Jepson 1937-7-30 18544 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains 1584 Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  UC1182087  Ribes viscosissimum C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (Poker Flat) Comment
  RSA237225  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou West side of Horse Lake Range. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  RSA761680  Rorippa curvisiliqua R. F. Thorne, Frederick W. Oettinger 1969-8-4 63353 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  RSA435942  Rorippa palustris subsp. occidentalis L. C. Wheeler 1934-9-15 3260 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 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
  NY345431  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  CAS-BOT-BC146738  Rosa gymnocarpa Doris K. Kildale 1928-8-18 6413 Siskiyou North Fork of Salmon River at Finley Camp 609 Comment
  CAS-BOT-BC146745  Rosa gymnocarpa Alice Eastwood 1923-5-23 11906 Siskiyou Cantara, S.P.R.R. Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  RSA537276  Rosa nutkana Walter Wisura, J. Romero 1991-10-18 4603 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  CAS-BOT-BC147080  Rosa pisocarpa Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC19401  Rosa pisocarpa J. O. Sawyer 1968-9-10 672 Siskiyou W shore of Raspberry Lake Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  CAS-BOT-BC149744  Rosa woodsii subsp. ultramontana Doris K. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook 609 Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  POM211266  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek 1768 Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  JEPS82720  Rubus lasiococcus Wayne Roderick 1983-7-10 Siskiyou Doe Flat (next to Del Norte County) 1143 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  JEPS44776  Rubus leucodermis W. L. Jepson July 1894 13881 a Siskiyou Sisson Mt. Shasta, Sisson Comment
  CAS-BOT-BC147325  Rubus parviflorus Alice Eastwood 1923-5-27 11943 Siskiyou Shasta Springs, on road to McCloud Comment
  CAS-BOT-BC157158  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  UC179524  Rudbeckia klamathensis A. A. Heller 1914-8-28 11731 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC422227  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  HSC19446  Rumex acetosella J. O. Sawyer 1969-7-11 1342 Siskiyou Along trail to Sugar Lake 1707 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237871  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-18 1428 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  RSA238019  Salix eastwoodiae Frederick W. Oettinger 1969-8-8 1297 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC107780  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC576387  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 860 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124543  Salix lasiolepis var. lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  SD953  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1455 Comment
  UC481736  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  POM107034  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-10 1161 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125695  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC126164  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; at bridge, about 1.3 km. east of Burney Mill 1110 Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  RSA238030  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou W shore line, Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1723 Comment
  UC449843  Salix scouleriana L. S. Smith 1931-6-1 13 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  SEINET3152975  Salvia carnosa L. S. Rose 1940-6-14 40586 -A Siskiyou Lava Beds National Monument 1219 Comment
  CAS-BOT-BC220802  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-2 9283 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC25742  Salvia sonomensis Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta (Squaw Valley); , Squaw Valley Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC238877  Sambucus nigra subsp. caerulea Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley, Marble Mts. 1795 Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  HSC3984  Sambucus racemosa var. racemosa Dorothy Parker 1949-8-12 364 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  UC585155  Sanicula graveolens E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2004 Siskiyou about 1 1/2 mi w of Mount Shasta (above Sulloway Creek, Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  RSA13890  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  JEPS33850  Saxifraga cespitosa Gilbert Muth 1966-7-31 468 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Marble Mountain Wilderness Area 1981 Comment
  JEPS47485  Saxifraga nidifica var. nidifica Geo. D. Butler 1909-4-25 781 Siskiyou at lower end of Shackleford Creek (Quartz Valley, an arm of Scott Valley); Quartz Valley, arm of Scott Valley, Shackleford Creek 853 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  UCD86387  Schedonnardus paniculatus D. H. Shaw 1980-8-5 s.n. Siskiyou Montague, Ager road, Don Shaw property. Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  UCSC005437  Scirpus Janell M. Hillman 1997-5-26 19 Siskiyou Californiaand Oregon Power Company Land Comment
  HSC19530  Scirpus congdonii J. O. Sawyer 1969-7-18 1415 Siskiyou Head of S Russian Creek 1829 Comment
  RSA167320  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou Flint Valley, about 5 miles southeast of Elk Valley 1433 Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  UC185014  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka (dry hill); near Yreka Comment
  CAS-BOT-BC111101  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  UC143719  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC214253  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  UC1114766  Scutellaria nana W. Bridge Cooke 1956-7-16 30304 Siskiyou above Hotlum Station (along old logging road, n side of Mount Shasta); Mount Shasta 1524 Comment
  CAS-BOT-BC94957  Sedum kiersteadiae R. C. Wenk 2005-7-20 353 Siskiyou National Forest Road 17, 1 mi. down road to N, heading toward Mt. Shasta 2029 Comment
  CAS-BOT-BC61475  Sedum laxum subsp. laxum Alice Eastwood 1912-9-11 2142 Siskiyou Trail to Black Butte from Waldo Comment
  RSA0076441  Sedum laxum subsp. laxum C. B. Wolf 1927-8-27 1142 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  JEPS25711  Sedum spathulifolium P. C. Hutchison 1961-5-22 2041 Siskiyou 2.8 mi e Seiad Valley (6.4 mi w of Hamburg, Klamath River); Klamath River, e of Seiad Valley, w of Hamburg Comment
  RSA237790  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Between English Peak and Diamond Lake, Mount Hemlock Forest. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  HSC43057  Selaginella wallacei Ken Stillman 1976-8-24 449 Siskiyou E and N slopes of Williams Point 366 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  SEINET196520  Senecio aronicoides R. Tofarud, J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows south slode on Mt. Shasta 2408 Comment
  HSC91207  Senecio fremontii Jennifer Whipple 1976-7-25 1581 Siskiyou N slopes of Mt. Eddy; on ridge crest above Deadfall Lakes 2622 Comment
  JEPS16959  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou s slope Mount Eddy Comment
  UC904780  Senecio fremontii var. occidentalis W. Bridge Cooke 1949-8-22 25559 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  UC165416  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou foothills of Goosenest Mountain Goosenest Mountain Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  HSC90546  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-19 1067 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  SEINET11803191  Senecio integerrimus var. major H. P. Chandler 1901-1 1606 Siskiyou near Marble Mountain, North Coast Ranges 1981 Comment
  JEPS101631  Senecio streptanthifolius var. laetiflorus Dean W. Taylor 1998-6-17 16559 Siskiyou base of hillslopes ca. 4 miles S of Gazelle, bordering Shasta Valley (ca. 15 air mi S Yreka) Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC364443  Senecio triangularis Doris K. Kildale 1928-8-19 6547 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC364447  Senecio triangularis Wm. Bridge Cooke 1938-9-8 11678 Siskiyou Mount Shasta. Panther Creek Meadow Comment
  CAS-BOT-BC364787  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  SEINET11971662  Sidalcea glaucescens M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  RSA87992  Sidalcea malviflora subsp. elegans C. L. Hitchcock 1952-6-30 19640 Siskiyou About 30 miles S. W. of Happy Camp on road to Orleans. Roadside cut. Comment
  HSC71104  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4510 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  JEPS94897  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1998-6-11 9180 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  RSA237851  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou North of Red Hill near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19522  Silene douglasii J. O. Sawyer 1969-7-24 1195 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  JEPS50912  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Higland Mine Highland Mine Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  UCSB27380  Silene grayi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC388968  Silene grayi G. J. Muth 1969-8-8 1297 Siskiyou Boulder Peak Ridge, Top 2286 Comment
  HSC65510  Silene grayi Rich White 1977-7-21 135 Siskiyou Near top of False Peak NW from Preston Peak 1738 Comment
  HSC103775  Silene hookeri subsp. hookeri M. R. Mesler 2014-6-6 1637 Siskiyou Elk Creek Rd (16N05) near Happy Camp 500 Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  CAS-BOT-BC389425  Silene lemmonii A. A. Heller 1920-6-27 13388 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UCSC000259  Silene lemmonii I. J. Condit 2011-7-5 s.n. Siskiyou near Shasta - Mt. Bradley 1524 Comment
  CAS-BOT-BC389909  Silene vulgaris L. E. Smith 1914-9-9 755 Siskiyou Sisson [Mt. Shasta City] Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  HSC69082  Sium suave Maralyn A. Renner 1980-8-4 2219 Siskiyou Flint Valley 1390 Comment
  JEPS25632  Smilacina stellata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  JEPS84277  Solanum umbelliferum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6311 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  RSA237482  Solidago canadensis subsp. elongata Frederick W. Oettinger 1967-8-20 307 Siskiyou Northwest of Pine Lake, Salmon Mountains; Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC365557  Solidago elongata Alice Eastwood 1912-7-21 1292 Siskiyou Sisson Comment
  POM57043  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy. Comment
  RSA14494  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south end of Lower Klamath marsh. Comment
  CAS-BOT-BC365250  Solidago velutina subsp. californica Carl B. Wolf 1927-8-26 1015 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  CLARK-A1528-7822  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou Etna Comment
  UCD92633  Sorghum halepense Collector Unknown 1956-8-21 s.n. Siskiyou Mt. Shasta City. Comment
  CAS-BOT-BC390713  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Miller Grade, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC149676  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou Klamath National Forest, 2 mi. SE White Mt. 1737 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  UCD114054  Spiraea douglasii R. Tofsrud; J. M. Tucker 1948-8-2 1751 Siskiyou Outskirts of McCloud. Comment
  HSC68439  Spiraea splendens var. splendens Maralyn A. Renner 1980-7-4 1390 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  UC618681  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11429 Siskiyou Wagon Camp, upper portion of springs Mt. Shasta Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. 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
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CAS-BOT-BC375640  Stephanomeria lactucina Wm. Bridge Cooke 1938-7-29 11389 Siskiyou Mount Shasta. Howard Comment
  JEPS36850  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta, half-way up Region of the Upper Sacramento Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  OBI55431  Stephanomeria paniculata David J. Keil 1992-7-20 23490 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  HSC6233  Stephanomeria virgata D. M. Thomson 1965-8-14 184 Siskiyou California Lava Beds National Monument; Caldwell Butte Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC39868  Stipa occidentalis var. occidentalis J. P. Smith 1972-8-17 5749 Siskiyou Medicine Lake 2012 Comment
  SEINET10603975  Stipa thurberiana Louis C. Wheeler 1935-5-7 Wheeler 3470 Siskiyou Precipitous rocky s slope Klamath River at Ash Creek, Siskiyou Mts., S 14, T 46 N, R 7 W, Mt. Diablo Mer. 610 Comment
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  CHSC96096  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2006-7-3 8766 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CAS-BOT-BC516429  Streptopus amplexifolius Roxana S. Ferris; Laura Lorraine 1948-6-12 11749 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC516436  Streptopus amplexifolius Ira L. Wiggins 1955-7-24 13502 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  JEPS74529  Suksdorfia ranunculifolia W. J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UC180106 Image available Swertia albicaulis var. albicaulis H. M. Hall and E. B. Babcock 1903-6-17 4113 Siskiyou near Sheep Rock; Sierra Nevada Mountains, Mount Shasta; near Sheep Rock, Mt. Shasta, Siskiyou Co. 1524 Comment
  UC28695  Symphoricarpos albus var. laevigatus Milo S. Baker 1893-6 193 Siskiyou Medicine Lake Comment
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  RSA477512  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 -a Siskiyou Between California State line and the Agricultural Inspection Station. Comment
  CAS-BOT-BC234778  Symphoricarpos mollis Carl B. Wolf 1927-8-27 1113 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC234794  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  UC1045253  Symphoricarpos mollis var. acutus unknown 1940-8-2 15393 Siskiyou near Bear Springs meadow; Mount Shasta Comment
  CAS-BOT-BC245773  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  UC585186  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1956 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  CAS-BOT-BC98952  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. Up across marble on east side of Black Mtn. 2103 Comment
  UC201308  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  HSC26155  Symphyotrichum subspicatum J. P. Smith, J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA183475  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake s Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer s Bar, Salmon Mountains 1524 Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  SD88376  Tetradymia canescens Darley F. Howe 1972-7-8 Siskiyou 9.5 miles north of Weed on Highway 97 1160 Comment
  CAS-BOT-BC88066  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  SEINET11970787  Thelypodium brachycarpum H. M. Hall, Babcock, E. B. 1903-1 4092 Siskiyou Mount Shasta, Shasta Valley, Sierra Nevada Mountains 914 Comment
  JEPS128490  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca. 825 km N of Rasberry Lake just W of main trail. Comment
  RSA577336  Thelypteris nevadensis L. C. Wheeler 1934-8-21 3191 Siskiyou Siskiyou Mountains, East Fork Horse Creek 1220 Comment
  UCD144409  Thermopsis robusta G. F. Hrusa 1998-7-5 14700 Siskiyou Cedar Camp Road +/- 5 mile east of Weightpec on Highway 96. North side of Highway Mile 8.8. Comment
  JEPS93873  Thlaspi arvense Vernon H. Oswald and Lowell Ahart 1998-7-21 9322 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  JEPS54043  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mt. Comment
  JEPS82688  Thlaspi montanum var. montanum Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca 12 air km sw of Mt. Shasta city); above Castle Lake 1981 Comment
  HSC46212  Thysanocarpus curvipes Jennifer Whipple 1976-5-2 903 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC42953  Torreyochloa pallida var. pauciflora J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC169252  Toxicodendron diversilobum Alice Eastwood 1921-7-31 11019 Siskiyou Shasta Springs Comment
  CHSC88389  Tragopogon dubius Jenny Marr 1993-7-1 148 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC519561  Triantha occidentalis subsp. occidentalis Alice Eastwood 1912-7-22 1313 Siskiyou Sisson Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CDA22542  Trichostema lanceolatum Glenn Briggs 2008-7-21 PDR# 1414000 Siskiyou Seiad Valley, 53005 Hwy 96 0 Comment
  HSC99288  Trichostema simulatum C. B. Wolf 1927-8-26 1054 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  HSC68369  Trientalis latifolia J. P. Smith 1973-5-5 6369 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM28045  Trifolium albopurpureum Geo. D. Butler 1909-5-13 710 Siskiyou Klamath hills Comment
  SBBG25902  Trifolium cyathiferum D. Myrick 1966-8-9 1513 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UCD107924  Trifolium eriocephalum subsp. eriocephalum Ed. Hale 1984-5-8 s.n. Siskiyou East end of Deer Meadow Road, approximately 1 mile W of R. Diaz property on Shamrock Road, South of Yreka. Comment
  HSC69400  Trifolium howellii Maralyn A. Renner 1980-8-8 2440 Siskiyou Rattlesnake Meadow 1646 Comment
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  HSC92967  Trifolium productum Jennifer Whipple 1976-7-2 1277 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1409228  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou near English Lake (Wiregrass meadow); Salmon Mtns 1706 Comment
  JEPS95247  Triglochin concinna Steve Edwards 1996-7-14 Siskiyou Road A12, 6.2 mi W of Big Springs Road, or 0.7 mi E of RR tracks in Granada Shasta Valley Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC58942  Trillium ovatum Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan 1 Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC1409310  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-15 1035 Siskiyou w. bank of Abbott Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1676 Comment
  SEINET10459927  Triodanis perfoliata Unknown 1943-5-8 Anonymous s.n. Siskiyou SCOTT VALLEY Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  CAS-BOT-BC200269  Trisetum spicatum Gilbert Muth 1966-8-3 491 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  HSC26991  Trisetum spicatum J. P. Smith, J. O. Sawyer 1971-9-16 4769 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC157137  Trisetum spicatum Dr. E. B. Copeland 1903-8-16 3895 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  UC593508  Triteleia crocea E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1920 Siskiyou s highway from Yreka to Fort Jones (about 7 mi sw of Yreka); Forest House Mt. 415 Comment
  UC705592  Triteleia crocea Marion Ownbey and D. H. Brown 1941-6-22 2419 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  RSA378074  Triteleia ixioides subsp. anilina A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  NY64387  Tsuga mertensiana I. L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Prinitive Area 2042.2 Comment
  UC1409513  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou woods to e inlet to Upper English Lake (western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 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
  CAS-BOT-BC80252  Tsuga mertensiana subsp. grandicona Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC403938  Urtica dioica subsp. gracilis A. Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  HSC21668  Urtica dioica subsp. holosericea C. B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River near Hamburg. Comment
  HSC18970  Vaccinium cespitosum J. O. Sawyer 1969-7-8 1098 Siskiyou SE facing slope W of Little Duck Lake 2268 Comment
  HSC19507  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1705 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  SJSU6545  Vaccinium cespitosum R. W. Trivelpiece 1973-6-21 151 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC235132  Vaccinium membranaceum Dana York; Jim Shevock 2012-7-20 3115 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, adjacent to Lily Pad Lake 1735 Comment
  CHSC77150  Vaccinium membranaceum Loren Gehrung 1996-9-19 128 Siskiyou 1 mile NW of Castle Lake. Scott Camp Creek, near Methodist Church Camp. 1627 Comment
  HSC19336  Vaccinium membranaceum J. O. Sawyer 1969-6-12 876 Siskiyou SE facing upper slope above Sugar Creek 1982 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  RSA238837  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 764 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 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
  HSC45191  Vancouveria hexandra J. O. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC30490  Vancouveria hexandra Frederick W. Oettinger 1969-8-25 1552 Siskiyou Salmon Mts., Little N Fork Stream crossing along trail from the end of logging road to the Devil's Canyon trail 1220 Comment
  UC1409395  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC529106  Veratrum californicum Doris K. Kildale 1928-8-19 6501 Siskiyou English Lake, head of north Fork of Salmon River 1828 Comment
  HSC19102  Veratrum californicum var. californicum J. O. Sawyer 1969-8-2 1718 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  HSC60768  Veratrum californicum var. californicum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment
  JEPS82496  Veratrum californicum var. californicum Gilbert Muth 1965-8-3 152 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC44854  Veratrum californicum var. californicum J. P. Smith, Steve Selva 1970-6-16 4029 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  JEPS62213  Veratrum viride Geo. D. Butler 1908-8-9 535 Siskiyou Salmon Mts., M. M. Camp Comment
  SBBG27149  Verbascum blattaria L. C. Wheeler 1934-10-24 3347 Siskiyou Oak Knoll Ranger Station, Klamath River Comment
  HSC72499  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-16 4084 Siskiyou Idlewild Campground 808 Comment
  UC1037370  Verbascum blattaria Douglas Barbe 1955-7-7 143 Siskiyou e side of Forest Camp Etna; Klamath Mountains 883 Comment
  UC164109  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  UC455534  Veronica americana I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  JEPS66526  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2783 Siskiyou 5 mi n of Yreka (on old U.S. Hwy 99, e of bridge across Shasta River); Shasta River 731 Comment
  CDA6419  Veronica persica T. C. Fuller 1962-6-11 8964 Siskiyou El Rancho Motel, Yreka. 0 Comment
  HSC91122  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-8-6 2231 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  HSC76879  Vicia americana var. americana K. T. Stillman 1976-6-26 140 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  HSC77092  Vicia americana var. americana K. T. Stillman 1976-7-30 335 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC164016  Vicia americana var. americana Geo. D. Butler 1909-4-24 604 Siskiyou Greenhorn road Comment
  UC618756  Vicia americana var. americana unknown 1938-6-24 11072 Siskiyou MacBridge Springs; Mount Shasta Comment
  HSC71650  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4008 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC270237  Viola adunca Doris K. Kildale 1929-4-27 7852 Siskiyou Cecilville, upper S fork of Salmon River Comment
  UC726394  Viola adunca A. A. Heller 1919-6-27 13273 Siskiyou Metcalfs Comment
  CAS-BOT-BC270233  Viola adunca Duncan Dunning 1922-6-7 3 Siskiyou Moffat Creek, Klamath Forest 1127 Comment
  CAS-BOT-BC270242  Viola adunca Frank Gould; Kay H. Beach 1940-5-15 623 Siskiyou Just W of Upper Bull Meadows, on road between Mount Hebron and Montague Comment
  UC164275  Viola beckwithii Geo. D. Butler 1910-3-11 1124 Siskiyou Yreka Hills 914 Comment
  UC19241  Viola beckwithii Prof. Bradley 1896-1 Siskiyou Comment
  HSC18939  Viola glabella J. O. Sawyer 1968-7-10 478 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC54332  Viola glabella H. M. Hall and E. B. Babcock June, 1903 4141 Siskiyou Pole Canyon; Sierra Nevada Mountains 1371 Comment
  CAS-BOT-BC536918  Viola glabella Doris K. Kildale 1929-7-20 8605 Siskiyou SE spur, Preston Peak 1950 Comment
  CAS-BOT-BC536925  Viola glabella L. E. Smith 1913-4-29 153 Siskiyou McCloud Comment
  UC1735835  Viola lobata subsp. integrifolia Dean W. Taylor 1997-6-11 16045 Siskiyou Headwaters Moffett Creek, Scott River drainage, head Sissel Gulch. 1676 Comment
  UC1090432  Viola macloskeyi H. K. Wagnon 1957-8-11 1707 Siskiyou near Ash Creek (e slope Mount Shasta); North Coast Ranges, Mount Shasta Comment
  HSC91205  Viola macloskeyi Jennifer Whipple 1976-6-23 1113 Siskiyou E and S-facing slopes draining into the North Fork of the Sacramento River 2256 Comment
  POM83897  Viola macloskeyi Geo. D. Butler 1910-4-23 1228 Siskiyou Cold Springs, Quartz Valley. Comment
  RSA238806  Viola macloskeyi Frederick W. Oettinger 1969-8-19 1471 Siskiyou About 0.2 mi due NE of Charmaine Lake on N facing slope. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1024345  Viola praemorsa subsp. linguifolia Lee Bonar, Lincoln Constance, R. W. Holm and C. E. Wood Jr. 1949-5-21 Siskiyou summit of nw spur of Scott Mountain 1828 Comment
  HSC4805  Viola purpurea subsp. purpurea William J. Ferlatte 1967-6-5 496 Siskiyou Big Flat, near public camp 1524 Comment
  HSC91204  Viola purpurea subsp. purpurea Jennifer Whipple 1976-6-24 1128 Siskiyou N slopes of Mt. Eddy 2439 Comment
  CAS-BOT-BC203114  Vitis californica Wm. Bridge Cooke 1940-6-20 15189 Siskiyou Along the Pacific Highway in the Klamath River Gorge Comment
  CAS-BOT-BC203121  Vitis californica Alice Eastwood; John Thomas Howell 1936-6-13 2764 Siskiyou Junction of Klamath and Shasta rivers Comment
  SEINET10517534  Vulpia bromoides Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2834 Siskiyou 3 mi N of Weed, on US HWY 97; S-facing slope; roadside. 1128 Comment
  UC196933  Vulpia microstachys var. pauciflora Geo. D. Butler 1910-4-21 1281 Siskiyou Oro Fino Comment
  UC197196  Vulpia microstachys var. pauciflora Geo. D. Butler 1910-4-16 1186 Siskiyou Klamath Bluffs Comment
  SEINET10604535  Vulpia myuros var. hirsuta Louis C. Wheeler 1935-5-4 Wheeler 3459 Siskiyou Dry sunny clay south slope. Greenhorn Creek. Siskiyou Mts. S 28, T 45 N, R 7 W, Mt. Diablo Mer. 853 Comment
  SBBG113469  Whipplea modesta D. Wilken with E. Painter 2000-8-10 15855 Siskiyou NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  UC1593360  Woodsia scopulina Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2535 Siskiyou just s Sconchin Butte (Kirk White Cave); Lava Beds Nat'l Monument 1341 Comment
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  HSC93996  Wyethia angustifolia J. T. Howell, T. C. Fuller, G. D. Barbe 1980-5-21 2785 Siskiyou W of Motel 6, S of town, N of Greenhorn Creek Rd., Yreka 823 Comment
  CAS-BOT-BC197338  X Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou On Black Mountain trail, Marble Mts. 1798 Comment
  RSA52147  Xerophyllum tenax Dorothy Parker 1948-7-4 88 Siskiyou Summit of Scott Mountain 1677 Comment
  RSA85566  Zannichellia palustris L. C. Wheeler 1934-9-22 3302 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  RSA60671  Zigadenus paniculatus I. L. Wiggins 1950-5-28 12360 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC15058  Zigadenus paniculatus F. W. Hooper April 1897 Siskiyou Little Shasta Comment
  HSC30465  Zigadenus venenosus var. venenosus Frederick W. Oettinger 1969-8-4 1172 Siskiyou Salmon Mountains, Tobacco Lake, upper meadow 1890 Comment



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