Search Results — 2000 specimen records retrieved (1414 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  HSC69559  Abies concolor Maralyn A. Renner 1980-8-6 2290 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  HSC5010  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  UCD134256  Abies magnifica var. shastensis Robert E. Preston 2001-6-30 1649 e Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC73464  Abies procera Eugene L. Parker 1961-9-16 s.n. Siskiyou Near summit of Copper Butte on dividing line between Rogue River & Klamath Nat. forests. 1943 Comment
  RSA14365  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  JEPS109261  Acer glabrum D. W. Taylor 2002-8-7 18295 Siskiyou Trinity Mountains; Mears Creek, cirque in very highest headwaters of the creek, ca 0.5 air miles SE of Tamarack Lake. Comment
  CAS-BOT-BC331019  Acer glabrum var. glabrum Annie M. Alexander; Louise Kellogg 1948-9-8 5599 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  UC452616  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1911-6-23 178 Siskiyou Jackson Lake Comment
  HSC44987  Acer glabrum var. torreyi J. O. Sawyer 1978-6-19 3242 Siskiyou Marble Mtn. Wilderness Area, ridges E of Shelly Lake 2165 Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  CAS-BOT-BC332791  Acer macrophyllum Wm. Bridge Cooke 1940-7-12 15306 Siskiyou Near the Box Canyon of the Sacramento near Mt. Shasta City Comment
  HSC2804  Acer macrophyllum C. B. Wolf 1927-8-26 1037 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  UC165965  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  SEINET7893883  Acer macrophyllum G. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek. Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336935  Acer negundo var. californicum Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  HSC99670  Achillea millefolium G. L. Clifton, Griswold 1979-6-28 6119 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  CDA24384  Achlys triphylla Don Shaw 1979-5-24 Siskiyou Sawyers Bar. 0 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  UC593526  Achnatherum lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1947 Siskiyou 8 mi s Yreka 822 Comment
  JEPS84005  Achnatherum nelsonii subsp. dorei L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6359 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass; e slopes of Red Butte); Red Butte 1900 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  UC1265475  Achnatherum occidentale subsp. californicum Frederick W. Oettinger and R. F. Thorne 1969-8-4 1156 Siskiyou near Halfway Spring (on trail from English Lake to Diamond Lake; vicinity of English Peak Marble Mountains Wilderness Area); Salmon Mountains, High Lake Basins 1828 Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument 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
  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
  SBBG25947  Aconitum columbianum D. Myrick 1966-8-10 1516 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391521  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  HSC27338  Aconogonon davisiae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5706 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  HSC86554  Aconogonon phytolaccifolium D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS80534  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mt. Wilderness Area 1798 Comment
  UCD95421  Actaea rubra John M. Tucker 1963-7-7 3719 Siskiyou ca. 1/4 mile down the trail (north of) from the lake. Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CHSC71558  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1998-8-3 9452 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. East of Kangaroo Lake. 1920 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  CAS-BOT-BC68960  Adiantum aleuticum Edward Lee 1934-8-11 1033 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seniad Valley) 609 Comment
  UCSB51234  Adiantum aleuticum Almanza, Ed 1976-7-15 Siskiyou O' Neill Creek (eastern tributary to Klamath River), State Hwy 96 238 Comment
  RSA17696  Agastache parvifolia Elmer I. Applegate 1935-6-7 9406 Siskiyou Indian Well, Lava Beds National Monument Comment
  SBBG39077  Agastache urticifolia C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  UC454302  Ageratina occidentalis I. J. Condit 1909-8-23 55 Siskiyou summit of ridge near Sisson,; Castle Lake 2133 Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  HSC2260  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15379  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  UC891262  Agoseris grandiflora var. grandiflora A. A. Heller 1916-8-12 12555 Siskiyou n Sisson 1127 Comment
  CAS-BOT-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  UC163893  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  POM33138  Agoseris retrorsa Geo. D. Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1067 Comment
  CAS-BOT-BC126982  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Klamath Forest. Little Smoky Creek. 1280 Comment
  HSC76738  Agrostis exarata K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  UCD52795  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -A Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 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
  UC814987  Agrostis pallens Louis C. Wheeler 1934-8-14 3134 Siskiyou meadow on n side Siskiyou Mountains, White Mt. 1767 Comment
  CAS-BOT-BC138695  Agrostis scabra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  UCD53525  Agrostis stolonifera A. A. Heller 1920-8-11 13509 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  SDSU11452  Alisma triviale D. F Howe 1972-7-8 4881 Siskiyou 1524 Comment
  UC1733720  Allium Frank Gould, Kay H. Beach 1940-5-15 1235 Siskiyou upper Bull Meadows Comment
  CAS-BOT-BC462371  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  SBBG19828  Allium falcifolium E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  UC909369  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  UC618662  Allium obtusum W. Bridge Cooke 1938-7-1 11163 Siskiyou 1 mi below main meadow; Mount Shasta, Panther Creek Sand Flats Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  SEINET10755145  Allium validum Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 876 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  UC1190109  Allium validum Ira L. Wiggins 1955-7-21 13440 Siskiyou 2 mi above Mt. View Ranch; Rush Creek Trail 1097 Comment
  RSA126291  Allium validum I. L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC169643  Alnus rhombifolia W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon? or Rush Creek Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CHSC88411  Alopecurus aequalis Jenny Marr 1993-7-1 170 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC138101  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Klamath Forest. Cottonwood Creek. 838 Comment
  CHSC71566  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  JEPS52987  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Sisson Comment
  HSC63075  Alyssum alyssoides David Wheeler 1979-4-8 36 Siskiyou Comment
  HSC2906  Amaranthus blitoides D. M. Thomson 1965-7-31 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump. Comment
  NY418533  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC18534  Amelanchier pallida R. C. Wunner 1965-8-21 465 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  JEPS126017  Amelanchier pallida E. T. Doucette 2013-5-20 13 -129 Siskiyou Greenhorn Road, Yreka, 8.8 miles from business district. Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136894  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  CAS-BOT-BC136919  Amelanchier utahensis A. A. Heller 1920-6-27 13396 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  HSC24626  Androsace elongata subsp. acuta L. C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains, alt. 3100 ft. S30 T45N R7W 945 Comment
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  POM215878  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains. 945 Comment
  RSA461382  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  UC1258456  Anemone deltoidea Maralyn A. Renner 1980-7-14 1717 Siskiyou headwaters Etna Creek (near rd at switchback); Klamath National Forest, headwaters of Etna Creek 1706 Comment
  HSC45488  Anemone deltoidea Maralyn O'Meara 1973-6-25 241 Siskiyou Tributary stream to N Russian Creek, 0.5 mi. S from Etna Summit on road from Sawyer's Bar to Etna 1524 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  HSC45  Anemone drummondii William J. Ferlatte 1967-6-29 573 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC391931  Anemone lyallii W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, Mt Shasta region Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  CAS-BOT-BC391977  Anemone occidentalis J. P. Smith; J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside west of Cliff Lake 1981 Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC391980  Anemone occidentalis Robert F. Thorne; Fred Oettinger 1969-8-10 38993 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS120190  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  UC796525  Antennaria dimorpha Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11831 Siskiyou (rd between Callahan and Gazelle) Callahan; Gazelle Mountain Grade 1499 Comment
  CAS-BOT-BC58679  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  JEPS84311  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road and area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD129024  Antennaria racemosa Dean William Taylor 1972-7-3 s.n. Siskiyou at Cook and Green Pass. Comment
  UCD77340  Antennaria rosea Robert E. Preston 2001-6-23 1598 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC21985  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-24 1481 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  JEPS5337  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones (on the light hill grade) 762 Comment
  UC141642  Apocynum androsaemifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 196 Siskiyou Mt. Shasta Comment
  UC157679  Apocynum androsaemifolium Milo S. Baker 563 Siskiyou Sisson Comment
  UC54547  Apocynum androsaemifolium H. M. Hall and E. B. Babcock June, 1903 4050 Siskiyou Mt. Shasta near Sisson; Sierra Nevada 1066 Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  JEPS46319  Apocynum androsaemifolium Ruby Van Deventer 1938-7-3 183 Siskiyou between Poker Flat and Twin Valley 1371 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC394980  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC394981  Aquilegia formosa John Thomas Howell 1939-8-3 15022 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  CAS-BOT-BC395150  Aquilegia formosa Donald Myrick 1961-6-20 280 Siskiyou Bear Springs, S slope of Mt. Shasta 1676 Comment
  CAS-BOT-BC395151  Aquilegia formosa Douglas Barbe 1955-6-30 054 Siskiyou 0.5 mile NW of Forest Camp, Etna, along Johnson Creek 914 Comment
  RSA211138  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake basin. 1677 Comment
  JEPS53064  Arabis glabra Geo. D. Butler 1908-8-3 123 Siskiyou Log Lake Shackelford Creek Comment
  HSC242  Arabis holboellii var. retrofracta William J. Ferlatte 1966-6-22 87 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  JEPS84111  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
  UC1980203  Arabis oregana Curtis R. Bjork 2000-5-21 5334 Siskiyou Siskyou Co.: Klamath / Siskyou Bioregion. Klamath National Forest. Shortly upslope from Walker Road. 15 miles NWN of Yreka on slopes above the south bank of the Klamath River. Comment
  HSC22083  Arabis platysperma J. O. Sawyer 1969-7-11 1325 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  RSA0129829  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-4 390 -b Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  UC722123  Arabis puberula C. L. Hitchcock and J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  HSC39203  Arabis subpinnatifida J. P. Smith 1976-5-22 8785 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC166108  Arabis subpinnatifida Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek Comment
  UC375283  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn road Comment
  POM94633  Arabis suffrutescens Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley. Comment
  HSC29159  Arabis suffrutescens var. horizontalis Frederick W. Oettinger 1969-7-15 1026 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  UC933378  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon River Siskiyou Mts., S. Fork Salmon River Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  SD76161  Arbutus menziesii Helen V. Witham 1969-10-7 589 Siskiyou 6 miles south of Scott's Bar, Scott River. 500 Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC39984  Arctostaphylos nevadensis Doris K. Kildale 1928-8-19 6540 Siskiyou Top of divide between Snglish Lake & hancock Lake on trail to Marbles. 2194 Comment
  CAS-BOT-BC39986  Arctostaphylos nevadensis T. H. Harris 1951-6-1 s.n. Siskiyou Tanner Butte Road, Happy Camp 1828 Comment
  CAS-BOT-BC40018  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble, Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC40025  Arctostaphylos nevadensis Mrs. H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, above Metcalf ranch house, N. of Shasta City about 8 miles. 1249 Comment
  HSC4921  Arctostaphylos nevadensis J. O. Sawyer 1968-9-9 660 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC4923  Arctostaphylos nevadensis J. O. Sawyer 1968-7-22 531 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  POM367358  Arctostaphylos nevadensis H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house. 1250 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  CAS-BOT-BC46495  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-22 s.n. Siskiyou At Little Grayback between O'Brien and Happy Camp. 1371 Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  CAS-BOT-BC46518  Arctostaphylos patula Doris K. Kildale 1928-8-19 6429 Siskiyou N. lake of Salmon River at Finley Camp. Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  CAS-BOT-BC46706  Arctostaphylos patula Howell 1889-4-13 1378 Siskiyou Near the Klamath River. Comment
  JEPS38840  Arctostaphylos patula W. L. Jepson 1914-8-14 6163 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC47007  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1927-8-26 1028 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  RSA138229  Arctostaphylos viscida subsp. viscida P. C. Everett, E. K. Balls, George B. Everett 1959-10-24 23944 Siskiyou 6.1 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. 488 Comment
  RSA423531B  Arenaria M. B. Dunkle 1944-7-18 9136 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  UCR200667  Arenaria nuttallii subsp. gregaria Daniel Sanchez-Mata, Thomas Santamaria 2006-7-26 s.n. Siskiyou Scott Mountains, Klamath National Forest; Weed, Rail Creek Road from Gazelle-Callahan Road, Kangaroo Lake, Kangaroo Lake Botanical Area 1900 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
  JEPS104785  Arenaria serpyllifolia subsp. serpyllifolia Dean W. Taylor 1996-5-30 15644 Siskiyou base of Sentinel Rocks, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  CAS-BOT-BC82663  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET516276  Arnica longifolia Vernon H. Oswald 1997-7-28 8790 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  CAS-BOT-BC82758  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  SBBG21764  Arnica mollis D. Myrick 1964-7-25 966 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC165319  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou head of Shackleford Creek Comment
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  UC1178563  Arnica viscosa Peter Kamb 1949-8-25 1488 Siskiyou above Horse Camp; Mt. Shasta 2651 Comment
  RSA142615  Arnica viscosa Philip A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows, Mt. Shasta 2499 Comment
  CAS-BOT-BC90743  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt., Marble Mt. Comment
  CAS-BOT-BC90772  Artemisia ludoviciana subsp. ludoviciana G. J. Muth 1969-8-10 1331 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  RSA537374  Aruncus vulgaris Walter Wisura 1991-10-18 4599 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  RSA401106  Asclepias speciosa B. C. Templeton 1957-6-23 s.n. Siskiyou North of Callahan on Hwy. 3 Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 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
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  RSA0006720  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  RSA0006723  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  CAS-BOT-BC187305  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Near Grenada Station 822 Comment
  CDA26703  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  CAS-BOT-BC193062  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley, [Noyes Valley], east fork of Scott River Comment
  POM45520  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Creek Comment
  RSA293199  Astragalus purshii var. tinctus J. P. Smith 1973-5-5 6530 Siskiyou Scott Bar along the Scott River. Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  HSC75134  Astragalus whitneyi var. siskiyouensis J. P. Smith, Thomas W. Nelson 1979-6-16 10135 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  RSA249717  Astragalus whitneyi var. siskiyouensis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest.; c. 14 air mi. SW of Weed, 0.4 mi. NE of Rock Fence Creek along road to Kangaroo Lake. Comment
  RSA211515  Athyrium americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek. 2134 Comment
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  UC42680  Athyrium distentifolium var. americanum W. H. Brewer 1862-9-13 1372 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC66195  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Cold Spring Woolly Creek Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  UC375286  Athysanus pusillus Geo. D. Butler 1909-3-14 556 Siskiyou near Yreka Comment
  RSA82758  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou Alongside road to Tule Lake, about one mile E of Hwy 97, along east-west road paralleling Oregon-California border, just inside Siskiyou County. Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  UC1043535  Berberis aquifolium var. aquifolium P. C. Everett and E. K. Balls 1954-10-13 20284 Siskiyou 6 mi ne from Hwy 96 at Seiad Valley Seiad Creek 640 Comment
  UC1483425  Berberis nervosa John Palmer 1980-8-15 980 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Seiad Valley Quadrangle 1097 Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC75944  Berberis piperiana Mrs. H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mount Eddy. 11 miles northwest of Mount Shasta City. About 2 miles east of Burney Mill. 1127 Comment
  CAS-BOT-BC76009  Berberis pumila Doris K. Kildale 1929-7-20 8610 Siskiyou Elk Lick, South Fork of Inidan Creek. 1524 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC169480  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11823 Siskiyou East Fork of Scott River drainage, Parker Ranch, Plowman's [Noyes] Valley 1203 Comment
  CAS-BOT-BC169481  Betula occidentalis L. E. Smith 1914-9-9 759 Siskiyou Sisson Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  RSA47635  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-16 11823 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley. 1204 Comment
  RSA608433  Bidens cernua L. C. Wheeler 1935-7-3 3648 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  HSC86546  Bistorta bistortoides D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  RSA698467  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  CAS-BOT-BC127934  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  HSC26152  Blepharipappus scaber J. P. Smith, J. O. Sawyer 1972-9-12 5767 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  JEPS95284  Blepharipappus scaber Vernon H. Oswald and L. Ahart 1994-8-1 6444 Siskiyou T41N R6W NW1/4 Sec. 22, 3760 ft, Yellow Pine Forest. Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed 1146 Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  CAS-BOT-BC15804  Boechera acutina Thomas W. Nelson; Jane P. Nelson 1980-7-19 6196 Siskiyou Along Forest Service road 29N01 A at Fox Creek ca. 1 mile from junction with Forest Service road 29N01. 1676 Comment
  CAS-BOT-BC16020  Boechera breweri subsp. breweri Doris K. Kildale 1928-7-4 5502 Siskiyou Summit of divide between Salmon River and Scott Valley. Comment
  CAS-BOT-BC16027  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13568 Siskiyou Salmon River Canyon. Between Big Flat and Caribou gulch. Comment
  CAS-BOT-BC25427  Boechera retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC25922  Boechera suffrutescens Elmer I. Applegate 1923-8-17 3843 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC25930  Boechera suffrutescens John Thomas Howell 1937-7-21 13204 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1925601  Botrychium simplex Alan R. Smith with Joan Smith 2008-7-27 2922 Siskiyou Mount Shasta, Upper Panther Meadows; N 41.21.355, W 122.11.974 to N 41.21.374, W 122.11.955 Comment
  UCD102610  Boykinia occidentalis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Siskiyou Forks of Salmon-Somes Bar. Klamath National Forest. Salmon River Road near Butter Creek. 265 Comment
  UC375191  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Salmon Range Comment
  CAS-BOT-BC162473  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek & Klamath River. 502 Comment
  RSA238370  Bromus marginatus Frederick W. Oettinger 1969-9-4 1628 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC164919  Bromus tectorum Geo. D. Butler 1908-6-25 474 Siskiyou near Yreka Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  HSC27035  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1972-9-14 5812 Siskiyou Edge of Little Duck Lake 2073 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  JEPS83988  Calamagrostis koelerioides L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6384 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  RSA237960  Callitriche verna Frederick W. Oettinger 1968-8-2 352 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85732  Calocedrus decurrens Doris K. Kildale 1928-8-18 6432 Siskiyou North fork Salmon River - Finley Camp Comment
  UCSB25086  Calochortus elegans Keefe, Joseph 1967-7-11 Siskiyou Near summit by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC15366  Calochortus macrocarpus var. macrocarpus D. M. Thomson 1965-7-21 155 Siskiyou Lava Beds National Monument, N boundary rd., near Canbys Cross Comment
  CAS-BOT-BC493090  Calochortus nudus W. R. Dudley 1893-6-19 s.n. Siskiyou Woods near Sisson Comment
  CAS-BOT-BC493091  Calochortus nudus W. R. Dudley 1905-8-4 s.n. Siskiyou meadow foot of Mt. Eddy Comment
  CAS-BOT-BC132630  Calochortus uniflorus Wm. Bridge Cooke 1938-7-15 11219 Siskiyou In lower Wagon Camp Comment
  CAS-BOT-BC132631  Calochortus uniflorus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC181502  Caltha leptosepala Doris K. Kildale 1929-8-24 9044 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM250707  Calycadenia ciliosa D. D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 miles northeast of Callahan, on road to Gazelle. 1098 Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  JEPS74490  Calyptridium umbellatum W. J. Ferlatte 1966-6-22 77 Siskiyou Trinity Alps, Josephine Lake Basin Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  CDA3581  Camelina microcarpa T. C. Fuller 1962-5-18 8747 Siskiyou B. M. Long property, Little Shasta Road, ca. 5 miles east of Montague. 0 Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  CAS-BOT-BC36991  Camelina microcarpa L. E. Smith 1913-6-12 351 Siskiyou Sisson. Comment
  CDA3583  Camelina microcarpa F. Wallier 1961-5-1 Siskiyou R. Collier, Yreka. 0 Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  RSA186494  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U.S. Highway 97, 4.4 miles south of Dorris Comment
  POM89723  Campanula prenanthoides H. E. Brown 1897-7-15 527 Siskiyou South side Mt. Shasta. 1524 Comment
  SEINET10463325  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou NR KELLEY LAKE, PRESTON PK QUAD, NR HAPPY CAMP 4498', COBBLY SOIL Comment
  SEINET10972065  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou NR SUTCLIFFE CR., PRESTON PK QUAD, NR HAPPY CAMP 4400', COBBLY SOIL Comment
  UC1258468  Campanula prenanthoides John Palmer 1980-8-12 682 Siskiyou se Wards Gap; Condry Mtn. Quad. 1188 Comment
  UC29009  Campanula prenanthoides Edward L. Greene 1876-7-21 958 Siskiyou near Yreka Comment
  RSA758220  Campanula prenanthoides R. F. Thorne 1969-8-2 63327 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
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Jul 26 2017
  SEINET10463072  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou KLAMATH NATL FOR ALONG HWY 96 NR SOMES BAR. T12N R6E Sec. 33 219 Comment
  SEINET10939016  Campanula prenanthoides Hutchinson 1932-7-7 HUTCHINSON 4226 Siskiyou Salmon Mountains; near north Fork of Salmon River between Sine's Bar and Fork of Salmon 274 Comment
  SEINET8037769  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain. 1219 Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC91399  Campanula scabrella Jennifer Whipple 1976-7-7 1334 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  HSC77128  Campanula scouleri L. P. Janeway 1983-9-11 651 Siskiyou Poker Flat 1524 Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  HSC29649  Carex abrupta Frederick W. Oettinger, R. F. Thorne 1969-8-6 1249 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadow 1829 Comment
  UCR66606  Carex amplifolia L. C. Wheeler 1934-6-14 02711 Siskiyou Siskiyou Mountains, Arrastre Creek off Hungry Creek. 1280 Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC17894  Carex angustata W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain. Comment
  UCD140097  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC39102  Carex bolanderi D. H. Norris 1970-5-23 12234 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CHSC102611  Carex breweri L. P. Janeway 2009-8-3 9883 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CHSC106472  Carex breweri Peter F. Zika 2009-8-16 24605 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2400 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA237321  Carex echinata subsp. echinata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1270 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC20129  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  UC195510  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  HSC33307  Carex fracta William J. Ferlatte 1974-7-15 1535 Siskiyou Yellow Rose Mine Trail 1555 Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  CAS-BOT-BC28085  Carex hoodii William Bridge Cooke 1938-7-15 11173 Siskiyou Mt. Shasta Springs. 1524 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
  UC1608359  Carex integra J. Kierstead 1991-7-3 91 -90 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  HSC36155  Carex jonesii J. P. Smith 1974-5-26 7535 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  UC1265337  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou along stream that runs from Tom's Upper Pond to Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  JEPS101102  Carex luzulifolia Dean W. Taylor 1996-7-25 15840 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  RSA237379  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Trail from base camp to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  CHSC107137  Carex microptera R. E. Brainerd 2009-7-22 1550 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  JEPS63498  Carex multicaulis W. L. Jepson 1940-6-27 20043 Siskiyou e slope, Mt. Shasta Mt. Shasta 2133 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
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  SEINET10883334  Carex multicaulis David Castaner 1989-6-19 Castaner 10243 Siskiyou Trinity Creek campground. Along highway 3 by Trinity River. North Trinity Center. Comment
  CAS-BOT-BC23421  Carex multicostata John Thomas Howell 1937-7-22 13254 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  CAS-BOT-BC119901  Carex nebrascensis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar, near NcCloud. Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  CAS-BOT-BC119478  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 1005 Comment
  CHSC40160  Carex nudata L. P. Janeway 1983-7-30 456 Siskiyou Along north shore Klamath River ca 2 1/2 miles west of Fort Goff. 396 Comment
  CAS-BOT-BC119477  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53432 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  POM173649  Carex nudata Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  POM80147  Carex phaeocephala E. B. Copeland 1903-7-16 3568 Siskiyou Mt. Shasta. 3171 Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 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. 777 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  HSC86446  Carex rossii D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Haypress Meadows 1372 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC117906  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS123408  Carex scopulorum var. bracteosa Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -129 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC117689  Carex simulata Frank Walton Gould 1940-5-14 12325 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC39288  Carex spectabilis J. O. Sawyer 1969-8-4 1817 Siskiyou Above Sugar Lake 2134 Comment
  JEPS84069  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC76309  Carex spectabilis L. P. Janeway 1982-8-15 141 Siskiyou Above Echo Lake 1799 Comment
  UC1265477  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou slope se Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area 1722 Comment
  HSC69165  Carex straminiformis Maralyn A. Renner 1980-7-24 2068 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC117014  Carex straminiformis Paul Clifford Hutchison 1962-8-2 929 Siskiyou Exposed S slopes, Mt. Shasta, between Panther Meadow and top of ski lift. 2743 Comment
  CAS-BOT-BC115849  Carex subfusca William Bridge Cooke 1938-9-17 11690 Siskiyou Mt Shasta Spring. 2438 Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  HSC76836  Carex vesicaria L. P. Janeway 1982-8-13 128 Siskiyou N side of Bear Lake 1814 Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  SEINET3522873 Image available Castanopsis sempervirens James Montgomery 1969-7-24 80920 a Siskiyou Open south facing hillside, 8 miles east of Mt. Shasta (town) on Ski Bowl Road. 1737 Comment
  HSC99979  Castilleja affinis subsp. affinis Thomas W. Nelson, & Sydney Carothers 2005-7-17 9387 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC30740  Castilleja applegatei subsp. pinetorum Glenn McGourty 1974-5-25 72 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  UC454838  Castilleja applegatei subsp. pinetorum I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC243769  Castilleja applegatei var. pinetorum Gilbert J. Muth 1969-8-6 1205 Siskiyou Boulder Peak 2529 Comment
  UC1483513  Castilleja arachnoidea John Palmer 1980-7-24 667 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
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May 25 2011
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  JEPS26528  Castilleja arachnoidea Lauramay T. Dempster 1961-7-3 1868 Siskiyou se of Callahan (w-face of Scott Mountain); Scott Mountain Comment
  RSA165516  Castilleja arachnoidea Clare B. Hardham 1961-6-30 8029 Siskiyou Near Mud Springs. Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  HSC20548  Castilleja linariifolia D. M. Thomson 1965-8-7 172 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  CAS-BOT-BC253619  Castilleja miniata Doris K. Kildale 1928-8-18 6480 Siskiyou head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  HSC19305  Castilleja miniata J. O. Sawyer 1968-9-9 648 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC61492  Castilleja miniata Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA211403  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  UC1187078  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi sw Grass Lake 1524 Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 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
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC76734  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  UC199392  Castilleja pruinosa Annie M. Alexander and L. Kellogg 1911-6-21 173 Siskiyou Jackson Lake; Jackson Pk. 2438 Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  JEPS84188  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 0.5 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass, e of road) 1730 Comment
  JEPS79523  Castilleja tenuis L. R. Heckard 1980-7-12 5406 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, ne of state highway maintenance station); Grass Lake Comment
  JEPS97798  Castilleja tenuis J. Greenhouse with John Game, Mary Simpson 2000-7-15 5009 Siskiyou 4 mi NNW of Callahan (On N side of Tiger Creek Rd. 0.7 mi W of jct. with Sugar Cr. Rd); Klamath National Forest 1146 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC49193  Ceanothus cuneatus D. E. Breedlove 1962-6-10 3300 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC45163  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2956 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC59647  Ceanothus cuneatus J. P. Smith 1973-5-5 6435 Siskiyou Along Cook and Green Pass Rd. Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  UC635520  Ceanothus cuneatus var. cuneatus Dorothy Tebbe 1929-7-15 119 Siskiyou Mt. Eddy Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  CAS-BOT-BC63601  Ceanothus integerrimus Alice Eastwood; John Thomas Howell 1937-6-26 5050 Siskiyou Salmon Mts. near Taylor Creek. Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  CAS-BOT-BC52113  Ceanothus prostratus Donald Myrick 1961-6-20 268 Siskiyou near Mt. Shasta City Comment
  CAS-BOT-BC52118  Ceanothus prostratus Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  RSA47597  Ceanothus prostratus Roxana S. Ferris, Laura Lorraine 1948-6-12 11813 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  RSA659520  Ceanothus prostratus Gary D. Wallace 1990-7-1 2957 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  UCD112676  Ceanothus pumilus D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC53030  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 1219 Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  SEINET3162954  Ceanothus sanguineus G. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 2134 Comment
  CAS-BOT-BC63199  Ceanothus velutinus Brent Helm; Curtis Miller; Mark Steiger 1988-4-30 78 Siskiyou unspecified. 1463 Comment
  CHSC9495  Ceanothus velutinus J. F. Goodwin 1971-7-3 131 Siskiyou North side of road on dry rocky bank with scattered pines and firs, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  HSC18354  Ceanothus velutinus R. C. Wunner 1965-6-7 106 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  CAS-BOT-BC52804  Ceanothus velutinus var. velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC52838  Ceanothus velutinus var. velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  SBBG71408  Ceanothus velutinus var. velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  UC618737  Ceanothus velutinus var. velutinus W. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC272105  Centaurea cyanus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mi. north of Weed Comment
  CDA18053  Centaurea diffusa Paul McCanna 1999-7-2 PDR 1128385 Siskiyou vicinity of Yreka. 0 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
  SEINET10741260 Image available Centaurium namophilum var. nevadense Edward L. Greene 1876-8-12 Greene 895 Siskiyou Collected near Yreka. Comment
  HSC14  Cerastium arvense William J. Ferlatte 1966-6-22 96 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC68011  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4071 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC36689  Cercis occidentalis Brent Whiteley 1975-6-21 14 Siskiyou 223 Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC1005595  Cercocarpus ledifolius var. ledifolius Frank W. Gould 1940-5-15 1253 Siskiyou Bald Mountain, on road from Mt. Hebron to Montague Bald Mountain 1676 Comment
  UC1037433  Cercocarpus ledifolius var. ledifolius Douglas Barbe 1955-8-1 321 Siskiyou e of Craggy Lookout (on Mount Bolivar, Scott Mountains); Klamath Mountains, Scott Mountains, Mount Bolivar 2255 Comment
  HSC27460  Cercocarpus montanus var. macrourus J. P. Smith, J. O. Sawyer 1972-5-28 5385 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  RSA17744  Chaenactis carphoclinia Elmer I. Applegate 1935-6-8 9450 a Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 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-BC276771  Chaenactis douglasii var. douglasii L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  HSC29199  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou Marble Mtn. Wilderness Area: Near summit of 'Little Medicine Mtn.' (N of Hancock Lake) 2104 Comment
  CAS-BOT-BC276770  Chaenactis douglasii var. douglasii L. E. Smith 1913-7-12 461 Siskiyou Igerna Comment
  CAS-BOT-BC276783  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-10 9468 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  HSC46952  Chaenactis douglasii var. douglasii William J. Ferlatte 1974-7-15 1542 Siskiyou Yellow Rose Mine; On tailings from mine shaft 1982 Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  CHSC83136  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. At edge of Kidder Creek. Comment
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  HSC1190  Chamaecyparis lawsoniana W. R. Oxner 1966-4-5 130 Siskiyou Mt. Shasta 1037 Comment
  HSC31347  Chamaesaracha nana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19528 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  CDA35240  Chamaesyce glyptosperma F. D. Horn 1980-7-18 s.n. Siskiyou Weed; at the end of Big Rock Road, Shastina Properties. 0 Comment
  JEPS24811  Chamaesyce serpyllifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6822 Siskiyou 7 mi e Callahan 1127 Comment
  UC1045259  Chamaesyce serpyllifolia W. B. Cooke 1940-7-12 15332 Siskiyou near new pine plantings (along the Memorial Hwy); Mount Shasta 1371 Comment
  CAS-BOT-BC166089  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC188  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1967-8-21 1079 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC69241  Chamerion angustifolium subsp. circumvagum Maralyn A. Renner 1980-9-1 2702 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC68215  Cheilanthes gracillima Louis C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 mi. NE Gazelle 868 Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 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
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  HSC92601  Cheilanthes gracillima Jennifer Whipple 1976-4-16 1011 Siskiyou Dale Cr. Drainage of the N face of Mt. Eddy 2195 Comment
  RSA44884  Cheilanthes gracillima J. C. Roos 1948-9-1 3947 Siskiyou tufted in rocks, on high ridge, summit of pass, southwest of Etna Comment
  SEINET5765050 Image available Chenopodium pumilio A. A. Heller 1915-1 12210 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  CHSC75698  Chenopodium vulvaria Vernon H. Oswald; Lowell Ahart 1999-7-5 9797 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gizelle. 914 Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC452270  Chimaphila umbellata Alice Eastwood 1912-7-23 1352 Siskiyou Cantara Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  UC32701  Chimaphila umbellata I. W. Morse Jul 1886 Siskiyou Shasta Comment
  UC456182  Chimaphila umbellata I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UC618646  Chimaphila umbellata W. Bridge Cooke 1938-8-5 11459 Siskiyou Mt. Shasta, Sisson Southern Trail 1828 Comment
  CAS-BOT-BC452271  Chimaphila umbellata G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  RSA183672  Chimaphila umbellata subsp. occidentalis Gilbert Muth 1965-8-10 197 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  HSC45030  Chrysolepis sempervirens Maralyn O'Meara 1974-5-25 399 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC67748  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-20 3807 Siskiyou E side of Grouse Hill 2134 Comment
  UC141881  Chrysolepis sempervirens Dr. E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  LA28602  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose; 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC96305  Cinna latifolia Gordon Leppig 1998-8-14 1035 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC64524  Circaea alpina subsp. pacifica J. P. Smith, Steve Selva 1970-6-15 3900 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC637107  Circaea alpina subsp. pacifica Annetta Carter 1934-8-13 706 Siskiyou Happy Camp (CA) to Waldo (Oregon) rd. (W. Branch Indian Creek); Klamath Nat'l Forest, W. Branch Indian Creek watershed 1463 Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  CDA1186  Cirsium cymosum T. C. Fuller 1962-5-17 8738 Siskiyou Gazelle; 3.5 mi. south on east side of Hwy 99. Comment
  JEPS59121  Cirsium douglasii var. breweri W. L. Jepson 1914-8-13 5798 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  CAS-BOT-BC288006  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228968  Cistanthe umbellata A. A. Heller 1940-7-25 15771 Siskiyou About Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC228967  Cistanthe umbellata A. A. Heller 1920-7-9 13426 Siskiyou Long bar easterly slope of Mt. Eddy 2438 Comment
  CHSC86456  Clarkia gracilis subsp. gracilis Jenny Marr 1993-7-1 73 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA25612  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  HSC181  Clarkia rhomboidea William J. Ferlatte 1967-6-29 567 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  CDA23948  Claytonia exigua subsp. exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2616 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC163798  Claytonia exigua subsp. exigua Geo. D. Butler 1909-4-17 674 Siskiyou near Yreka Comment
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  JEPS80486  Claytonia palustris W. B. and V. G. Cooke 1923-5-23 56458 A Siskiyou Bear Springs; Mt. Shasta Comment
  HSC64297  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6456 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  UC1258454  Claytonia perfoliata subsp. intermontana Maralyn A. Renner 1980-6-24 1001 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by F.S. Road 48N20); Klamath National Forest, Seiad Valley Quad. 1021 Comment
  HSC22124  Claytonia rubra subsp. rubra J. O. Sawyer 1969-6-11 815 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  HSC33990  Claytonia rubra subsp. rubra J. P. Smith 1974-5-25 7491 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  UC164297  Claytonia sibirica Geo. D. Butler 1909-7-15 964 Siskiyou Highland Mine Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CHSC1441  Clematis ligusticifolia 1937-8-1 Siskiyou Mt. Shasta. 1219 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  CAS-BOT-BC500971  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC62303  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Trout Camp 1220 Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  RSA78685  Collinsia linearis Philip A. Munz 1952-7-2 17876 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC44972  Collinsia parviflora J. O. Sawyer 1978-6-20 3267 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  RSA412241  Collinsia torreyi Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  HSC76757  Collomia grandiflora K. T. Stillman 1976-7-21 270 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC163993  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  CAS-BOT-BC230673  Collomia tracyi Ira L. Wiggins 1955-7-22 13457 Siskiyou S Fork of Salmon River, 9.5 miles above Cecilville 1066 Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  RSA150571  Corallorhiza maculata Lee W. Lenz 1961-6-22 24360 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  RSA237635  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Woods across meadow from base camp, Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  SEINET3864279  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (I-5).; 0 774 Comment
  CHSC78536  Cordylanthus tenuis subsp. tenuis Vernon H. Oswald 2000-8-28 9957 Siskiyou Rock Fence Lake Road (40N18) 0.1 mi from its junction with Kangaroo Lake Road. 1662 Comment
  HSC75389  Cordylanthus tenuis subsp. viscidus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  POM250769  Cordylanthus tenuis subsp. viscidus D. D. Keck 1938-8-8 4863 Siskiyou Scott Mtns., ridge between Mill and Mule Creeks, 3 mi. S.E. of Scott mt. Lodge. 1340 Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  JEPS50169  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek 1219 Comment
  UC165289  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CDA38584  Cornus sericea subsp. sericea D. H. Shaw Jun 1977 s.n. Siskiyou Near Happy Camp. 0 Comment
  CAS-BOT-BC210527  Cornus sessilis Doris K. Kildale 1928-7-3 5439 Siskiyou Little North Fork Salmon River 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
  HSC31544  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  CAS-BOT-BC290474  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CDA4448  Crepis occidentalis T. C. Fuller 1958-6-19 1824 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  HSC46192  Crepis occidentalis subsp. occidentalis Jennifer Whipple 1977-4-30 1877 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC92864  Crepis occidentalis subsp. pumila Jennifer Whipple 1976-6-30 1196 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  HSC61804  Crepis pleurocarpa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC299728  Crocidium L. E. Smith 1913-3-26 23 Siskiyou Yreka, back of Caholic cemetery Comment
  HSC46185  Crocidium multicaule Jennifer Whipple 1977-3-20 1832 Siskiyou Scott Valley near Weston Gulch 854 Comment
  POM356384  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  POM368920  Cryptantha Christopher Davidson 1975-6-5 2664 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS93886  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9332 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  RSA610185  Cryptantha flaccida L. C. Wheeler 1935-5-18 3494 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA0070857  Cryptantha hendersonii E. B. Copeland 1903-7-5 3550 Siskiyou Klamathon. Comment
  UC1199974  Cryptantha intermedia Roy L. Taylor 1960-6-12 4446 Siskiyou 1 mi w jct. of Hwy. 96 (Klamath River Road) and Hwy. 99 (n of Yreka, above Klamath River) Comment
  UC24648  Cryptantha intermedia Miss Edmonds 1890-7-4 Siskiyou Comment
  UC133586  Cryptantha torreyana A. A. Heller 1905-6-8 7995 Siskiyou Yreka Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  RSA142617  Cryptogramma cascadensis P. A. Munz 1960-8-22 24192 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC618844  Cryptogramma cascadensis W. Bridge Cooke 1938-8-18 11502 Siskiyou above Horse Camp (Lower Horse Camp Slopes); Mt Shasta 2514 Comment
  UC922418  Cryptogramma cascadensis Annie M. Alexander and Louise Kellogg 1949-7-22 5835 Siskiyou trail to Kings Castle Paradise Lake; Marble Mts 1920 Comment
  CAS-BOT-BC80542  Cupressus bakeri Oliver V. Matthews 1939-7-14 33 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80550  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-9 6170 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3.4 mi. above forks of creek 1158 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
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  JEPS47086  Cuscuta approximata George D. Butler 1908-7-10 536 Siskiyou Yreka Comment
  HSC61606  Cycladenia humilis Ruby Van Deventer 1970-6-6 Siskiyou Lookout Mtn. Comment
  RSA38305  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte Comment
  JEPS39354  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  POM211261  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  RSA383004  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC103854  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-20 2767 Siskiyou 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River. 988 Comment
  CAS-BOT-BC70720  Cystopteris fragilis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UC166481  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  CAS-BOT-BC189894  Danthonia californica Philip A. Munz 1952-6-26 17794 Siskiyou Siskiyou Mountains. Humboldt Flat, south of Adams Station. 762 Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  HSC19086  Danthonia californica J. O. Sawyer 1969-7-25 1531 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  CAS-BOT-BC194397  Danthonia intermedia Wm. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows - Mount Shasta 2590 Comment
  UCD61070  Danthonia intermedia A. H. Murphy 1954-8-11 54 -K Siskiyou Half Moon Meadow. 1524 Comment
  CDA31646  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC76916  Danthonia unispicata K. T. Stillman 1976-6-26 128 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
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Mar 22 2012
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CAS-BOT-BC76238  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou Eighteenth crossing of the Sacramento River below Sisson. Comment
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Nov 6 2019
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  HSC67648  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-18 4493 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  SEINET10480113  Darlingtonia californica Mary Susan Taylor 1980-7-8 Taylor 3102 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  CHSC71601  Dasiphora fruticosa Vernon H. Oswald; Lowell Ahart 1998-8-3 9439 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  UC1037373  Delphinium decorum subsp. tracyi Douglas Barbe 1955-7-6 134 Siskiyou ne shore Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  HSC63252  Delphinium glaucum M. A. Baker 1979-7-28 1065 Siskiyou Wooley Creek Comment
  RSA151975  Delphinium nuttallianum R. C. Bacigalupi 1952-6-17 3739 Siskiyou Trinity - Siskiyou County line. 500 ft above summit of Scott Mt. road, on county boundary. 1829 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  HSC38599  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  POM211252  Deschampsia cespitosa subsp. cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS80518  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail along first bluff Marble Mt. Wilderness Area; , Marble Gap Trail 1828 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  CAS-BOT-BC201941  Deschampsia elongata Melissa A. Berry 1957-7-3 s.n. Siskiyou Taylor Creek CCC Road, East Fork of the South Fork of the Salmon River 762 Comment
  UC375347  Descurainia pinnata subsp. halictorum Geo. D. Butler 1908-6-23 126 Siskiyou near Yreka Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides 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
  UCD114786  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  HSC36809  Dichelostemma capitatum subsp. capitatum J. P. Smith 1974-5-27 7628 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291001  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  CHSC69473  Dieteria canescens var. shastensis James D. Jokerst 1992-7-30 3421 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  HSC72375  Dieteria canescens var. shastensis J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8973 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  SD112556  Dieteria canescens var. shastensis Darley F. Howe 1969-8-30 4671 Siskiyou 1.3 miles south of Weed on [interstate] 5 1130 Comment
  CAS-BOT-BC291000  Dieteria canescens var. shastensis Alice Eastwood 1921-7-25 10856 Siskiyou Bigelows, on the McCloud Comment
  HSC5467  Dimeresia howellii R. C. Wunner 179 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  CAS-BOT-BC153738  Diplacus nanus Wm. Bridge Cooke 1940-6-4 15005 Siskiyou Along the Bolam Road Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  UC375204  Disporum hookeri Geo. D. Butler 1909-4-27 690 Siskiyou Quartz Valley Comment
  CAS-BOT-BC136090  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  CAS-BOT-BC136091  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  RSA105369  Dodecatheon alpinum G. D. Barbe 1955-7-6 126 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC44970  Dodecatheon jeffreyi J. O. Sawyer 1978-6-20 3269 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  JEPS100727  Downingia cuspidata Dean W. Taylor 1991-6-12 11897 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  JEPS125853  Downingia yina Dean W. Taylor 1996-6-24 15739 Siskiyou Klamath River canyon near Oregon State line Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 Comment
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  OBI15089  Draba verna J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  UC859900  Drymocallis pseudorupestris A. A. Heller 1915-8-26 12217 Siskiyou near the source Wagon Creek (Mt. Eddy); , near source of Wagon Creek 2621 Comment
  CAS-BOT-BC158424  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8607 Siskiyou South east spur, Preston Peak 1828 Comment
  HSC26759  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4821 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC113720  Eleocharis acicularis Alice Eastwood 1921-7-29 10946 a Siskiyou Medicine Lake. Comment
  RSA577566  Eleocharis obtusa L. C. Wheeler 1935-7-20 3671 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  CHSC106104  Elodea canadensis Lowell Ahart; John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  CHSC91528  Elymus caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  JEPS70698  Elymus elymoides subsp. elymoides Geo. D. Butler 1909-6-4 812 Siskiyou near Yreka Comment
  UC1132993  Elymus elymoides subsp. elymoides H. A. Jensen 1933-9-30 359 Siskiyou Signal Butte Shasta National Forest, Dunsmuir Quadrangle 1341 Comment
  UC197116  Elymus elymoides subsp. hordeoides Geo. D. Butler 1910-5-4 1278 Siskiyou Yreka Comment
  HSC76714  Elymus glaucus K. T. Stillman 1976-7-30 346 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley. 1829 Comment
  CAS-BOT-BC206612  Elymus glaucus subsp. glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills Comment
  RSA591598  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  RSA144782  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-10 59 -149 Siskiyou West of McCloud Comment
  RSA15686  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1066 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  HSC103904  Epilobium canum subsp. latifolium Dana York, Richard Helliwell 2010-9-11 3015 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1188196  Epilobium ciliatum subsp. ciliatum Philip A. Munz 1960-8-21 24206 Siskiyou roadide ditch 10 mi n Weed Comment
  UC637088  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  HSC49652  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-17 4443 Siskiyou 915 Comment
  POM261009  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1941-9-5 16276 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 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
  POM261231  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1941-9-5 16277 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  POM258623  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15291 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237394  Epilobium oregonense Frederick W. Oettinger 1969-8-19 1460 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS39224  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1722 Siskiyou Wooly Creek 1676 Comment
  POM46473  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UCD135540  Equisetum laevigatum Allison R. Holzer 1980-7-19 15 Siskiyou Along Kelsey Creek 1/4 mi. upstream from junction with Scott River. 731 Comment
  CAS-BOT-BC57517  Equisetum telmateia Carl B. Wolf 1927-8-27 1126 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  HSC59934  Eremogone congesta D. L. Goforth 1979-7-19 251 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  CAS-BOT-BC168326  Eremogone congesta var. congesta Doris K. Kildale 1928-8-19 6543 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  JEPS31342  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou n of Goose Nest Mountains (Old Deter place) 1524 Comment
  RSA168828  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou Near top, Blue Ridge, on road between Cecilville and Sawyer's Bar 1585 Comment
  SEINET5727000 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Rd. 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  HSC26990  Ericameria greenei J. P. Smith, J. O. Sawyer 1971-9-16 4767 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  JEPS80484  Ericameria nauseosa var. speciosa W. B. and V. G. Cooke 1976-10-24 54051 Siskiyou along Bolam Road Mt. Shasta 1524 Comment
  JEPS94845  Ericameria nauseosa var. speciosa Vernon H. Oswald and Lowell Ahart 1998-9-16 9630 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  UC415690  Ericameria parryi var. latior Wm. M. Canby, III 1897-9-7 Siskiyou Mt. Shasta Comment
  SEINET10813459  Erigeron aliceae Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 884 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UCD131603  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC62630  Erigeron aliceae Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC922270  Erigeron chrysopsidis var. austiniae Annie M. Alexander and Louise Kellogg 1949-7-22 5842 Siskiyou trail to Kings Castle (top of ridge); Marble Mountains, Paradise Lake 1780 Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UC725404  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou just s Bray 1402 Comment
  HSC5515  Erigeron filifolius R. C. Wunner 1965-6-29 304 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  JEPS29998  Erigeron filifolius Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7984 Siskiyou along US Hwy 97 about 7 1/2 mi ne Weed 1127 Comment
  UC54104  Erigeron filifolius H. M. Hall and E. B. Babcock 1903-6-1 4098 Siskiyou Little Shasta Valley Mount Shasta, Little Shasta Valley 853 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  UC896067  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  SBBG25833  Erigeron inornatus D. Myrick 1966-8-13 1555 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC295396  Erigeron inornatus A. A. Heller 1914-8-26 11717 Siskiyou Near Deetz Station near Black Butte 1158 Comment
  UC455841  Erigeron inornatus var. inornatus I. J. Condit 1911-7-3 Siskiyou along R.R. Shasta Retreat (Shasta Retreat) Comment
  HSC5519  Erigeron klamathensis Lauramay T. Dempster 1961-7-1 1832 Siskiyou Slope SE of White Mtn. Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC300289  Erigeron strigosus var. strigosus Francia Chisaki; Helen Sharsmith 1960-8-20 4739 Siskiyou Inner North Coast Ranges. On Wildcat Creek road ca. 4 miles west of Callahan 1066 Comment
  POM65393  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka. Comment
  OBI78913  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest, along Salmon River on Highway 93. quadrangle. 694 Comment
  UC1324595  Eriogonum baileyi var. baileyi W. B. and V. G. Cooke 1966-7-16 37216 Siskiyou along old logging road above Bolam Station; Mt. Shasta 1524 Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC30408  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Marble Mtn. Wilderness area, ridge trail E of Tom's Lake 2104 Comment
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  CAS-BOT-BC255702  Eriogonum douglasii var. meridionale C. L. Hitchcock; J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt. 2072 Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  RSA279671  Eriogonum hirtellum James L. Reveal 1978-8-9 4813 Siskiyou Along dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the jct of 17N23, on a ridge dividing Doolittle Creek and little South Fork, about 3.5 miles NNE of the lookout. 1341 Comment
  HSC30293  Eriogonum lobbii J. O. Sawyer 1970-8-5 2356 Siskiyou Near Caribou Lake 2073 Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  POM204111  Eriogonum marifolium J. T. Howell 1934-7-4 12395 Siskiyou SE corner of Siskiyou County Comment
  UC77434  Eriogonum marifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 230 Siskiyou Mt. Shasta Comment
  SEINET3836458 Image available Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta 1829 Comment
  RSA0049748  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest 1210 Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CAS-BOT-BC268694  Eriogonum microthecum var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC261619  Eriogonum nudum var. nudum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2377 Comment
  RSA96965  Eriogonum nudum var. nudum Percy C. Everett, E. K. Balls 1954-10-13 20279 Siskiyou Seiad Creek, road to Kangaroo Mt., 6.7 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC269742  Eriogonum nudum var. oblongifolium Lewis S. Rose 1945-6-19 45148 Siskiyou Horse Creek & Klamath River 502 Comment
  UC1299709  Eriogonum nudum var. oblongifolium Freed W. Hoffman 1948-7-8 2491 Siskiyou 19.7 mi e Happy Camp (along Klamath River, on Waldo-Happy Camp Road); North Coast Ranges, Klamath River 548 Comment
  CAS-BOT-BC272474  Eriogonum nudum var. pubiflorum Geo. B. Grant 1902-9-10 3500 Siskiyou Sissons [Sisson] Comment
  CAS-BOT-BC272495  Eriogonum nudum var. pubiflorum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC67753  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-21 3827 Siskiyou N of F.S. Road 44N01 near intersection with road to Lava Camp 1677 Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  HSC27100  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou At Callaghan Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  LA206891  Eriogonum nudum var. pubiflorum A. A. Heller; 1927-8-2 14443 Siskiyou Gravelly plains about 3 mi. S of Yreka; Transition Zone Comment
  RSA245303  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou Callahan Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  UC726561  Eriogonum ovalifolium var. purpureum A. A. Heller 1938-7-13 15272 Siskiyou meadow about 1 mi s Bray 1402 Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  RSA233648  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne, Fred Oettinger 1969-8-10 38984 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC267713  Eriogonum roseum Dorothy Parker 1948-8-6 177 Siskiyou Plowman's Valley, east fork of Scott River 1203 Comment
  HSC43444  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2188 Siskiyou Slopes near Little Crater Lake 2195 Comment
  RSA126712  Eriogonum sphaerocephalum Peter H. Raven 1956-9-4 10403 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  UC164052  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-27 1428 Siskiyou hill near Yreka Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  HSC43456  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  UC164081  Eriogonum strictum var. proliferum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  CAS-BOT-BC267935  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-BC267956  Eriogonum umbellatum Maralyn A. Renner 1980-8-21 2603 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge 2286 Comment
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  JEPS101145  Eriogonum umbellatum var. bahiiforme Dean W. Taylor 1996-6-20 15718 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  JEPS56191  Eriogonum umbellatum var. dumosum Geo. D. Butler 1908-7-12 215 Siskiyou w Yreka; Humbug Mt. Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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Jul 11 2010
  UC536686  Eriogonum umbellatum var. nevadense D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  UC1980594 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. Comment
  JEPS56124  Eriogonum vimineum W. L. Jepson 1940-6-23 19979 Siskiyou Yreka 822 Comment
  UC1413445  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou 4.5 mi e Callahan (along California Highway 3, 2.5 mi se of the junction with the county road to Gazeele) 1371 Comment
  CAS-BOT-BC262372  Eriogonum vimineum Roxana S. Ferris; Laura Lorraine 1941-8-12 10509 Siskiyou At Petroglyphs north end of Tule Lake. Northern boundary of Modoc Lava Beds National Monument Comment
  JEPS56126  Eriogonum vimineum W. L. Jepson 1937-6-22 18454 Siskiyou near Klamath River bridge (1st summit north of Yreka) Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  HSC68437  Eriophorum crinigerum Maralyn A. Renner 1980-7-4 1394 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET7073529  Eriophyllum lanatum A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir (Lake Shastina) about 3.6 miles northwest of Rout 97. UTM Zone 10, 549041mN, 4591197mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  CAS-BOT-BC301129  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-18 45123 Siskiyou Horse Creek & Klamath River 502 Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC301099  Eriophyllum lanatum var. achilleoides L. E. Smith 1913-5-12 262 Siskiyou Edgewood Comment
  CAS-BOT-BC308284  Eriophyllum lanatum var. integrifolium M. B. Dunkle 1945-7-19 9218 Siskiyou Marble Valley summit, Klamath Forest 2194 Comment
  HSC5601  Eriophyllum lanatum var. integrifolium R. C. Wunner 1965-7-1 332 Siskiyou California Lava Beds National Monument; 2/3 way up Gillem's Bluff above NW Ranger Station 1280 Comment
  CAS-BOT-BC301705  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3751 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  SD53407  Eriophyllum lanatum var. lanceolatum Darley F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp. 550 Comment
  UC165442  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC54580  Erysimum capitatum Doris K. Kildale 1929-7-20 8698 Siskiyou Raspberry Lake, east spur Preston Peak. Comment
  CDA3712  Erysimum repandum F. D. Horn 1980-4-3 Siskiyou Dennis Lane west of railroad tracks, Klamath River Estates, Hornbrook. 0 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  UC164327  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  JEPS82480  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC403676  Eschscholzia californica A. A. Heller 1918-7-16 13081 Siskiyou Fields south of Yreka Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  UC1114142  Eschscholzia californica Gene B. Newcomb and H. G. Baker 1959-3-28 229 Siskiyou w side of Hwy 99 just opposite Noltas Airport (just s of Walker Creek, on State Hwy gravel pile) 1219 Comment
  RSA445608  Eschscholzia californica subsp. californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River. Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  UCD77519  Euphorbia glyptosperma Robert E. Preston 2003-7-30 2172 Siskiyou Ca. 17.3 mi NE of McCloud, at Trout Creek Campground. 1486 Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  HSC65339  Festuca californica J. P. Smith 1973-5-5 6428 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS73755  Festuca idahoensis Geo. D. Butler 1909-6-13 833 Siskiyou Moffitt Creek Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC73061  Festuca occidentalis Gail Newton 1980-6-20 444 Siskiyou Near Bald Mtn. 1097 Comment
  RSA22127  Festuca occidentalis J. T. Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat, Siskiyou Co. 1524 Comment
  UC818047  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC82221  Festuca pratensis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4541 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC36951  Fragaria vesca J. P. Smith 1974-5-26 7555 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC447519  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC53413  Frangula californica subsp. occidentalis W. R. Dudley 1892-6-23 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 Comment
  CAS-BOT-BC59985  Frangula purshiana Lewis S. Rose 1945-6-22 45175 Siskiyou Beaver Creek & Klamath River. 548 Comment
  CAS-BOT-BC60013  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CAS-BOT-BC60018  Frangula purshiana W. R. Dudley 1893-6-20 s.n. Siskiyou Tree by bridge over Sacramento River on trail to Castle Lake. Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  HSC46150  Fraxinus latifolia J. P. Smith, Steve Selva 1970-7-17 4424 Siskiyou Along Klamath River Comment
  CAS-BOT-BC130173  Fritillaria affinis Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon Boundary Comment
  RSA17445  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Klamath River, between Hamburg and Seiad Valley Comment
  JEPS61893  Fritillaria atropurpurea W. L. Jepson 1902-7-17 2077 Siskiyou Salmon Summit, Summit of Salmon divide, Western Siskiyou County Salmon Summit 2286 Comment
  LA22119  Fritillaria atropurpurea Carl Epling; 1938-6-24 11102 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  HSC46190  Fritillaria pudica Jennifer Whipple 1977-4-30 1882 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC673166  Fritillaria recurva Lincoln Constance, Reed C. Rollins 1942-5-14 2925 Siskiyou 4 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  UCD132354  Gaillardia aristata T. C. Fuller; G. D. Barbe 1972-6-14 947 Siskiyou in pasture north of Weed, ca. 1 mile north of US 97 on Hoy Road. Comment
  HSC68357  Galium aparine J. P. Smith 1973-5-5 6503 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  UC163754  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Salmon road w from Etna Comment
  UCSB17328  Galium bolanderi Hardham, Clare 1961-7-2 Siskiyou Scott River south of Steelhead Comment
  JEPS124617 Image available Galium boreale Laurel Loeblich 1964-7-1 76 Siskiyou West of highway 89 on other side of fence; 6 miles northwest of Dead Horse Summit. Comment
  CAS-BOT-BC223196  Galium serpenticum subsp. scotticum Clifton; Ground 1978-7-2 1842 Siskiyou Near Scott Mountain Summit, on the China Mt quadrangle, close to the town of Callahan 1704 Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  RSA276855  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  HSC27680  Galium triflorum Carl W. Mize 1972-6-10 48 Siskiyou Draw below Steinacher Creek Rd. 366 Comment
  HSC400  Galium triflorum William J. Ferlatte 1967-8-19 1033 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's, near 'Riverside 1524 Comment
  HSC59093  Garrya buxifolia Clark L. Miller 1978-10-21 81 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  JEPS101165  Garrya fremontii Dean W. Taylor 1996-6-19 15711 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 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
  UCR60654  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou Salmon Mtns, HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 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
  JEPS74585  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat Trinity Alps (near campground) 1524 Comment
  RSA467221  Gaultheria humifusa L. C. Wheeler 1934-8-16 3164 Siskiyou Johnson Dairy, Siskiyou Mts. 1646 Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  CAS-BOT-BC478506  Gayophytum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  HSC40995  Gayophytum heterozygum J. O. Sawyer 1972-7-14 2471 Siskiyou N Fork of Salmon River 1006 Comment
  UC726664  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA264967  Gayophytum racemosum Gilbert Muth 1975-7-30 7189 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  SEINET8726297 Image available Gayophytum ramosissimum Lewis S. Rose 1937-1 37599 Siskiyou Shasta Springs. 914 Comment
  UC878459  Gentiana calycosa John Thomas Howell 1939-8-8 15145 Siskiyou Black Mt. Marble Mts. Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. Comment
  RSA625174  Gentiana calycosa Louis C. Wheeler 1963-8-25 8270 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  UC1408882  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou wet boreal meadow at Base Camp (midslope between Diamond Lake and Hancock Lake); Salmon Mountains,Marble Mountain Wilderness Area 2011 Comment
  UC741166  Gentiana plurisetosa C. C. and S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow Marble Mountain Primitive Area; Half Moon Meadow, Marble Mt. Primitive Area, Siskiyou Co. 1670 Comment
  CDA33310  Gentianella amarella F. D. Horn 1979-8-15 Siskiyou South of Carmen Lakes area, west of Scott Mountain, southeast of Callahan. 0 Comment
  CAS-BOT-BC94968  Gentianopsis simplex R. C. Wenk 2008-8-31 990 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow 1981 Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  CAS-BOT-BC143594  Geum triflorum Elmer I. Applegate 1935-6-8 9431 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC1258442  Gilia capitata subsp. capitata Maralyn A. Renner 1980-7-23 1848 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC1409305  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  JEPS83894  Gilia capitata subsp. capitata Wayne Roderick July 1976 Siskiyou s side of Cook and Green Pass , s side Cook and Green Pass (Siskiyou Mountains) Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  JEPS34010  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14747 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  UC74051  Gnaphalium palustre T. H. Gilbert June 15 1899 - July 15 1899 Siskiyou Scott River Valley Comment
  HSC29163  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou E side of Hancock Lake 1951 Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UCR222288  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  CAS-BOT-BC419705  Hackelia californica J. K. Nelson 2010-9-4 2010 -030 Siskiyou South slope of Mt. Shasta 1325 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  JEPS84332  Hackelia micrantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6348 Siskiyou 7 mi nne of Seiad Valle (sw of Cook and Green Pass, 1/2 mi se of Red Butte, slope e of road) 1730 Comment
  POM72107  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackleford Creek. 1372 Comment
  SJSU6536  Hastingsia alba R. W. Trivelpiece 1973-6-28 159 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  UC119828  Hastingsia alba J. W. Congdon Aug 1900 Siskiyou Sisson , Sisson (Mt. Shasta) Comment
  UCSB13153  Hastingsia alba Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC302456  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  UC609328  Hazardia whitneyi var. discoidea Eleanor Burks Hart 1938-8-20 954 Siskiyou below Red Cap 2316 Comment
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC306366  Helenium autumnale T. C. Fuller 1958-8-13 s.n. Siskiyou 10 mi S/Ft. Jones, Scott Valley Comment
  CAS-BOT-BC306749  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  HSC67016  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground. 823 Comment
  HSC772  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS107103  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on E side of Mount Eddy ca 5 airmiles due W of Mount Shasta City Comment
  UC1619966  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou 5 air mi due w of Mount Shasta City (Morgan Meadows on e side of Mount Eddy); Mount Eddy, Morgan Meadows 1676 Comment
  CAS-BOT-BC305577  Helianthus bolanderi Geo. B. Grant 1902-9-14 5209 Siskiyou Dunsmuir Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 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
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  CDA7040  Hemizonia fitchii C. Shelley 1964-9-15 Siskiyou From yard of Ray Pruett, Yreka. 0 Comment
  UC909353  Hesperochiron californicus Ira L. Wiggins 1950-5-28 12388 Siskiyou 0.3 mi. w. Carmen Lake 1706 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  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
  CAS-BOT-BC509286  Heuchera merriamii Dana York 2011-9-8 3085 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, E slope of Kings Castle 2175 Comment
  HSC91187  Heuchera merriamii Jennifer Whipple 1976-7-8 1361 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake. 2317 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC424176  Heuchera micrantha var. erubescens Alice Eastwood 1923-5-18 11842 Siskiyou Shasta Springs Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  CAS-BOT-BC319682  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  POM33157  Hieracium albiflorum Geo D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek. Comment
  SD88379  Hieracium albiflorum Darley F. Howe 1972-7-6 Siskiyou 4.4 miles south of Oregon State line on road to Happy Camp. Comment
  RSA237530  Hieracium gracile Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC318538  Hieracium greenei John Thomas Howell 1939-8-6 15097 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  JEPS36578  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  JEPS93877  Hieracium nudicaule Vernon H. Oswald and Lowell Ahart 1998-7-21 9314 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  SBBG8443  Hieracium scouleri H. and M. Dearing 1939-6-19 3683 Siskiyou high up French Crk Comment
  OBI55426  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 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
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  UC1951318  Holodiscus discolor Robert F. Thorne and Fred Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near crest of ridge above English Lake, along trail to Hancock Lake. Comment
  CAS-BOT-BC152360  Holodiscus discolor var. discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of Siskiyou Mountains above Dry Lake Ranger Station Comment
  CAS-BOT-BC152375  Holodiscus discolor var. discolor Annie M. Alexander; Louise Kellogg 1949-7-31 5906 Siskiyou Edge of trail at entrance to valley, Sky High Valley, Marble Mountains 1767 Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  RSA211182  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC514288  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC539427  Horkelia tridentata var. tridentata B. Bartholomew; B. Anderson 1988-5-12 4084 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  HSC71098  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4504 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1005589  Hydrophyllum capitatum var. alpinum Frank W. Gould 1940-5-14 1238 Siskiyou near Bull Meadows (Goosenest Mountain); Goosenest Mountain 1524 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA120700  Hydrophyllum occidentale S. S. Tillett 1956-7-9 631 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  HSC29246  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC41039  Hypericum anagalloides J. O. Sawyer 1969-8-4 1911 Siskiyou N of High Lake 2043 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  SEINET5344270  Hypericum scouleri G. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  JEPS5829  Idahoa scapigera F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  RSA516492  Iliamna bakeri L. R. Heckard, L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along Hwy 97, 0.7 miles south of Bolam road junction Comment
  UC164139  Ipomopsis aggregata Geo. D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek 1219 Comment
  UC455677  Ipomopsis aggregata I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  UCR47889  Ipomopsis aggregata 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
  UC23329  Ipomopsis aggregata C. B. Bradley 1879-1 Siskiyou Siskiyou Comment
  CHSC63609  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6463 Siskiyou FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud. Edge of road. 1584 Comment
  CHSC65501  Ipomopsis aggregata subsp. formosissima Maria Ulloa-Cruz 1994-8-3 68 Siskiyou Shasta-Trinity National Forests. Mount Shasta Ranger District. West arm of Panther Creek. On slope next to road. 1800 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 Comment
  RSA135924  Iris tenuissima Lee W. Lenz 1953-5-13 18298 Siskiyou 7 miles from Happy Camp on road to Yreka 366 Comment
  HSC100200  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13165 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  HSC100247  Isatis tinctoria J. P. Smith, & J. O. Sawyer 2010-5-2 12799 Siskiyou River access road, on the Salmon River. 164 Comment
  CAS-BOT-BC88659  Isatis tinctoria Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones. Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  RSA184739  Isatis tinctoria Gilbert Muth 1966-7-5 349 Siskiyou Lovers Camp, Marble Valley, Marble Mtns. 1250 Comment
  SEINET13762151 Image available Isatis tinctoria T. C. Fuller unknown s.n. Siskiyou Scott Valley Comment
  JEPS83821  Isoetes occidentalis Wayne Roderick 1984-8-7 Siskiyou vicinity of Cook & Green pass (near Lily Pad Lake in Little Duck Lake); Siskiyoyu Mts., Little Duck Lake 1981 Comment
  UCR101236  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mtns., Dillon Creek, 3/4 mi. NE of Sawtooth Mtn. 1616 Comment
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Apr 19 2013
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC135375  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC114527  Ivesia pickeringii T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  CHSC78934  Juncus balticus Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  HSC85851  Juncus balticus subsp. ater L. P. Janeway 1983-8-28 639 Siskiyou Poker Flat 1529 Comment
  RSA15459  Juncus bufonius var. bufonius Carl B. Wolf 1927-8-26 1088 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  HSC86560  Juncus ensifolius D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  JEPS94065  Juncus ensifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi. s.e. of Gazelle-Callahan Rd. at its intersection w/ USFS 41N10 1554 Comment
  HSC30699  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou Marble Mtn. Wilderness Area, N shore of Uncle's Lake 1845 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  RSA607419  Juncus ensifolius L. C. Wheeler 1934-8-14 3131 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  JEPS121610  Juncus howellii 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
  UC1523845  Juncus howellii W. J. Ferlatte Jul 23 1986-Aug 4 1986 Siskiyou ca 1 mi n Trinity Co. line (Parks Creek Rd, on divide between Eddy Creek and Parks Creek) 2011 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA14327  Juncus mexicanus Elmer I. Applegate 1923-8-18 3879 Siskiyou Medicine Lake. 1982 Comment
  CHSC40149  Juncus nevadensis L. P. Janeway 1983-9-11 685 Siskiyou At Poker Flat, on s side of meadow. 1524 Comment
  HSC30705  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1205 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  HSC30701  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou Bear Meadow, midway between English Peak and Tom Taylor Cabin at head of Snowslide Gulch 1997 Comment
  HSC92705  Juncus parryi Jennifer Whipple 1978-10-6 2394 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  RSA44499  Juncus patens Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  RSA78942  Juniperus occidentalis var. occidentalis E. K. Balls, Percy C. Everett 1952-10-12 18169 Siskiyou Indian Well Campground, Modoc Lava Beds National Monument 1402 Comment
  HSC35446  Kalmia polifolia A. M. Montalvo, J. D. Ackerman 1975-7-18 585 Siskiyou Panther Meadow, Mt. Shasta 2287 Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  CAS-BOT-BC246179  Keckiella lemmonii Geo. B. Grant 1902-9-13 5189 Siskiyou Dunsmuir Comment
  CAS-BOT-BC246184  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, 4 1/2 miles from Mt. Shasta City on Horse Camp Trail 1828 Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  JEPS94847  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97) 1243 Comment
  SEINET516315  Kochia scoparia Vernon H. Oswald 1998-9-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CDA32434  Koeleria macrantha Vernon H. Oswald & Lowell Ahart 1998-6-11 9194 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  UC89377  Kyhosia bolanderi Brandegee July 1887 Siskiyou Sisson's Comment
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  CAS-BOT-BC341706  Lagophylla ramosissima Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  CHSC63597  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6454 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  JEPS116604  Lathyrus brownii J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -13 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  UC163717  Lathyrus brownii Geo. D. Butler 1910-4-21 1212 Siskiyou Oro Fino Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC73231  Lathyrus polyphyllus Gail Newton 1980-6-20 515 Siskiyou Near Bald Mtn. 1097 Comment
  HSC71351  Lathyrus sulphureus J. P. Smith 1976-5-5 8694 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  RSA183459  Ledum glandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 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
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  RSA429772  Lesquerella occidentalis Christopher Davidson 1975-6-5 2696 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  SEINET12006370  Lesquerella occidentalis H. P. Chandler 1901-1 1653 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  UC1557829  Lessingia nemaclada J. Semple, S. Heard 1986-8-16 8497 Siskiyou se of Etna (on CA-3, at intersection with road to Gazelle) Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  RSA760933  Leucothoe davisiae R. F. Thorne, Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  CDA38866  Leucothoe davisiae F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  UC1312936  Lewisia Sandra L. Holloway, J. M. Tucker, and L. K. Mann 1963-7-9 76 Siskiyou near e base of Marble Mountain Marble Mountain Wilderness Area, Marble Mountain 1950 Comment
  RSA12625  Lewisia cotyledon Anonymous 1934-7-5 5960 Siskiyou 3.6 mile from Dry Lake lookout on raod to Horse Creek, Siskiyou Mts. 1982 Comment
  UCD101583  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 74 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 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
  UC1483549  Lewisia cotyledon var. cotyledon John Palmer 1980-7-24 643 Siskiyou Dillon Divide Klamath Mational Forest, Dillon Mtn. Quad. 1706 Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  CAS-BOT-BC444088  Lewisia leeana Geo. D. Butler No date on label 1687 Siskiyou Unspecified Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  HSC81751  Ligusticum californicum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6188 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UCR37840  Ligusticum californicum L. P. Janeway 1983-8-28 632 Siskiyou Poker Flat 1529 Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  CAS-BOT-BC130519  Lilium Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC130813  Lilium pardalinum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC130817  Lilium pardalinum Doris K. Kildale 1929-7-20 8631 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  LA22088  Lilium washingtonianum W. B. C.; 1939-8-4 13805 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133018  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1929-7-20 8615 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  HSC91972  Linanthus pungens Jennifer Whipple 1976-7-7 1332 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  SBBG15806  Linaria dalmatica D. Myrick 1961-6-20 285 Siskiyou Old McCloud Rd to Bear Springs, ca. 1 mi E of Mt Shasta City 1158 Comment
  HSC53278  Linnaea borealis subsp. longiflora Butler 1971-7-29 238 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction. 1464 Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  UC585241  Lithocarpus densiflorus var. echinoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1982 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 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
  CAS-BOT-BC325939  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  RSA25721  Lithospermum californicum C. B. Wolf 1941-7-26 11080 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC269147  Lolium perenne Dr. Ed Palmer 1892-1-1 2646 Siskiyou Near Mt. Shasta Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS89920  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9015 Siskiyou Upper Modoc Plateau, Egg lake 1298 Comment
  UC909516  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou margins Carmen Lake (ca. 1.5 mi. e.of Scott Mt. rd.) 1737 Comment
  UC106273  Lomatium macrocarpum Brandegee July 1887 Siskiyou Edgewood Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  UC166104  Lomatium piperi Geo. D. Butler 1910-2-25 1115 Siskiyou Yreka Comment
  POM82328  Lomatium piperi Geo. D. Butler 1909-2-28 578 Siskiyou Around Yreka Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  HSC61904  Lonicera conjugialis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS109701  Lonicera conjugialis Dean W. Taylor 2002-7-20 18260 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  RSA184705  Lonicera conjugialis Gilbert Muth 1966-7-8 378 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  RSA238540  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2000 Comment
  UC28758  Lonicera conjugialis Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
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Jun 7 2008
  UC630399  Lonicera conjugialis Annetta Carter 1939-8-21 1478 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake); Salmon Mountains 2072 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC243919  Lonicera involucrata var. involucrata Gilbert J. Muth 1969-8-10 1311 Siskiyou Ridge west of Boulder Peak 2194 Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  SEINET3557097 Image available Lotus crassifolius R. Tofsrud, J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud Comment
  CDA27194  Lotus crassifolius T. C. Fuller 1967-6-29 16039 Siskiyou South side of Deetz Road, 1 mile west of IS-5 at Black Butte. 0 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  RSA406194  Lotus humistratus Louis C. Wheeler 1934-6-22 2757 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  UC1023843  Lotus purshianus var. purshianus Douglas Barbe 1955-6-28 25 Siskiyou 1.8 mi n Callahan; Klamath Mountains 1005 Comment
  HSC61603  Luetkea pectinata Ruby Van Deventer 28 Aug [year missing] Siskiyou Lookout Mtn. Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC44707  Luina hypoleuca J. O. Sawyer, E. Cope 1977-6-18 2897 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1409496  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou ne of Diamond Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 2081 Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  CAS-BOT-BC8289  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou Near Shasta Springs Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  POM230566  Lupinus albicaulis var. shastensis L. E. Smith 1913-6-18 375 Siskiyou Road between Sisson and Castle lake. Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  POM24895  Lupinus arbustus Geo. D. Butler 1909-6-22 917 Siskiyou Goosenest Foothills. 1524 Comment
  RSA249715  Lupinus croceus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi. SW of Weed, n ear Kangaroo Lake Campground. Comment
  RSA666384  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1890 Comment
  SD106936  Lupinus croceus var. pilosellus M. L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6988 Siskiyou 17.4 miles NE of Cecilville Store on the road to Callahan 2073 Comment
  RSA413558  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1606 Siskiyou Near Hornbrook. Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC63292  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-31 1089 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2000 Comment
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  JEPS83253  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackelford Creek; Quartz Valley, Shackelford Creek Comment
  UC54420  Lupinus lepidus var. sellulus H. M. Hall and E. B. Babcock June, 1903 4084 Siskiyou Mount Shasta; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  SBBG3658  Lupinus leucophyllus H. and M. Dearing 1939-6-30 3751 Siskiyou near Etna 1219 Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  JEPS83249  Lupinus luteolus W. L. Jepson 1939-7-23 18455 Siskiyou beyond Hambrook at Cedar Grove road station; Yreka Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  RSA582428  Lupinus rivularis Louis C. Wheeler 1935-7-23 3679 Siskiyou Head W. Fk. Beaver Creek. 1646 Comment
  HSC41640  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-6-30 1205 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  HSC66255  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC73278  Luzula comosa Gail Newton 1980-6-20 476 Siskiyou Near Bald Mtn. 1097 Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC642583  Luzula comosa var. laxa W. Bridge Cooke 1939-7-7 13602 Siskiyou Mount Shasta. Between Bear Springs and Wagon Camp 1676 Comment
  RSA0060498  Luzula macrantha Peter F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley. 730 Comment
  UC1108543  Luzula parviflora Ira L. Wiggins 1955-7-23 13471 Siskiyou banks China Creek; banks China Creek 1097 Comment
  CDA16167  Lycium barbarum G. F. Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou Klamath Ranges; Along Klamath River on E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
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Aug 14 2017
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC133253  Madia elegans Dr. E. B. Copeland 1903-8-13 3820 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC343993  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  HSC26763  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4850 Siskiyou 3.9 mi. from the junction of S.R. 3 and Rd. 8 near Callahan 1189 Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  UC1096810  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mt. 1767 Comment
  CAS-BOT-BC334666  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1409494  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou between Lower Pond and Tobacco Lake; Salmon Mountains, High Lake Basins, English Peak, Marble Mts 1920 Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  RSA136408  Mahonia aquifolium P. C. Everett, E. K. Balls 1959-10-23 23938 Siskiyou 5.4 mi. nw. from Trinity-Siskiyou Co. line, rd. from Trinity Center to Callaban. 1585 Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  SEINET5339080  Mahonia repens G. Butler 1910-8-1 1807 Siskiyou Yreka Creek Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  RSA237949  Maianthemum stellatum Frederick W. Oettinger 1967-8-3 235 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  JEPS36764  Malacothrix floccifera W. L. Jepson 1907-7-23 2959 Siskiyou Shackelford Valley Comment
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  CAS-BOT-BC282075  Melica fugax A. A. Heller 1921-7-7 13518 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  HSC26150  Melica stricta J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5691 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  HSC15008  Melilotus albus D. M. Thomson 1965-7-1 121 Siskiyou Lava Beds National Monument, Cave Loop Dr., near hdq. parking lot Comment
  UC618717  Mentzelia dispersa W. B. Cooke 1937-7-23 9127 Siskiyou Sisson Southern Trail Chaparral Mount Shasta Comment
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  JEPS20796  Menyanthes trifoliata Willis L. Jepson Jul 24 1894-Aug 10 1894 14643 Siskiyou near Sisson (Upper Sacramento Region); Upper Sacramento Region Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  CHSC71283  Microseris nutans Vernon H. Oswald; Lowell Ahart 1998-6-11 9198 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  HSC69704  Microseris nutans Maralyn A. Renner 1980-6-26 1262 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  JEPS19674  Mimulus layneae Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5929 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S. P. Shasta Route)) 1188 Comment
  JEPS4201  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 mi n Weed (on U. S. Highway #97) 1066 Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  HSC422  Mimulus moschatus William J. Ferlatte 1966-7-7 216 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  JEPS3167  Mimulus nanus var. nanus George D. Butler 1908-6-29 60 Siskiyou Cherry Creek 1066 Comment
  RSA535582  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  RSA211423  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  RSA233713  Mimulus primuloides var. linearifolius Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  RSA237553  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou West of Arrow Peak near Tom Taylor Cabin Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC174730  Minuartia nuttallii Louis C. Wheeler 1934-6-29 2828 Siskiyou Klamath National Forest. Soda Creek 1066 Comment
  SEINET5338740  Minuartia nuttallii G. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  JEPS51480  Minuartia nuttallii subsp. gregaria W. L. Jepson Jul 17 1902-Jul 22 1902 2065 Siskiyou Devil's Backbone; w Siskiyou 1828 Comment
  UC375336  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley Comment
  CAS-BOT-BC229609  Mirabilis greenei L. E. Smith 1913-5-29 320 Siskiyou Yreka Comment
  POM266000  Mirabilis greenei Lincoln Constance, Reed Rollins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  HSC23548  Mitella diversifolia J. O. Sawyer 1970-7-3 2317 Siskiyou 1402 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC4891  Mitella pentandra J. O. Sawyer 1968-7-10 463 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  CAS-BOT-BC94963  Mitella trifida R. C. Wenk 2005-7-15 231 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1828 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  UC1299673  Mitella trifida Freed W. Hoffman 1950-7-13 3637 B Siskiyou road to Baldy Mountain 1.1 mi before Lookout (w Siskiyou Co.); South Fork Indian Creek Comment
  HSC67502  Moehringia macrophylla J. P. Smith 1973-5-5 6371 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC97697  Mollugo verticillata Thomas W. Nelson, Shauna Hee 2006-8-4 9462 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  HSC22276  Monardella glauca J. O. Sawyer 1969-7-3 1053 Siskiyou SE facing slope above Horse Range Creek 1616 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
  SBBG6452  Monardella odoratissima H. and M. Dearing 1939-7-2 3798 Siskiyou Etna-Salmon divide 1828 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  UC722274  Monardella odoratissima subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222173  Monardella odoratissima subsp. pallida H. A. Thomas; J. H. Thomas 1954-7-24 4511 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC222177  Monardella odoratissima subsp. pallida Doris K. Kildale 1929-8-24 9107 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CHSC67841  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3413 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald]. Comment
  HSC42229  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1951 Comment
  CAS-BOT-BC222180  Monardella odoratissima subsp. pallida W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar, McCloud Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  POM69089  Monardella purpurea Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  HSC4883  Monotropa hypopitys J. O. Sawyer 1968-7-22 560 Siskiyou Between Handcock and Diamond Lakes, near Handcock Lake 1951 Comment
  UC82764  Montia chamissoi Mrs. R. M. Austin Jun 1894 273 Siskiyou Pot Hole Spring Comment
  JEPS43194  Montia parvifolia Milo S. Baker 1923-8-14 248 a Siskiyou Siskiyou National Forest, Smith River Division, Camp 6 Smith River Division; Siskiyou National Forest, , Camp 6 Comment
  CAS-BOT-BC267052  Muhlenbergia filiformis W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartletts Comment
  UCD86594  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  RSA211316  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  JEPS117637  Myriophyllum sibiricum Lowell Ahart, John Dittes 2010-7-30 16941 Siskiyou About 30 yards northwest of the East Louie Road Bridge, along the west edge of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CHSC693  Nama lobbii V. Holt 1932-6-20 Siskiyou Mt. Shasta flats. 1828 Comment
  JEPS25579  Nama lobbii Rimo Bacigalupi 1959-7-1 7206 Siskiyou western slopes broadening base Mt. Shasta 1706 Comment
  CHSC62608  Narthecium californicum L. P. Janeway 1993-8-30 4564 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  JEPS70280  Navarretia divaricata W. L. Jepson 1940-7-3 20096 Siskiyou Bartle, e part of Siskiyou County Bartle 1188 Comment
  JEPS70411  Navarretia intertexta subsp. propinqua Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  UC1112256  Navarretia leucocephala subsp. leucocephala R. C. Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi s Dorris; Butte Valley 1280 Comment
  CAS-BOT-BC219529  Nemophila parviflora Clarence R. Quick 1959-6-19 59 -15 Siskiyou 6,7 [6.7?] miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  UC573272  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou close to Schonchin Butte; Dorris Quad 1371 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  RSA184654  Nothochelone nemorosa Clare B. Hardham 1965-8-20 1305 Siskiyou Marble Mountains. Cudahy Lakes. 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
  UC375493  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  SEINET4171086 Image available Olsynium douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  CAS-BOT-BC355598  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  HSC92269  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-9-2 1763 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC455562  Orobanche fasciculata I. J. Condit 1911-7-27 Siskiyou Castle Lake. Comment
  RSA0059263  Orobanche uniflora subsp. occidentalis George D. Butler 1909-4-4 730 Siskiyou Shasta Valley Comment
  CAS-BOT-BC458072  Orthilia secunda Maxine Wilkes 1940-8-18 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC922457  Orthilia secunda Annie M. Alexander and Louise Kellogg 1949-7-28 5877 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  JEPS84025  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  CAS-BOT-BC94476  Orthocarpus cuspidatus subsp. copelandii R. C. Wenk 2005-7-19 345 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA238817  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1295 Siskiyou Sundew Bog, English Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  HSC4881  Osmorhiza berteroi J. O. Sawyer 1968-7-2 378 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1190135  Osmorhiza berteroi Ira L. Wiggins 1955-7-21 13428 Siskiyou along ditch bank near Mt. View Ranch (7 mi above Cecilville); S Fork of Salmon River 975 Comment
  JEPS84040  Osmorhiza occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6409 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of canyon); Hell's Canyon 1750 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  CAS-BOT-BC413215  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC413221  Oxyria digyna John Thomas Howell 1939-8-10 15253 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UC618856  Oxyria digyna W. Bridge Cooke 1938-9-8 11651 Siskiyou n side Red Butte; Mount Shasta, n side of Red Butte Comment
Read comments
Nov 6 2009
  UCSB16543  Ozomelis diversifolia Breedlove, Dennis 1962-6-11 Siskiyou Canyon Creek; about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  HSC61727  Paeonia brownii Ruby Van Deventer 18 Aug [year missing] Siskiyou Perk's Pasture Comment
  HSC60893  Panicum capillare Ken Stillman 1976-8-24 439 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  HSC102663  Papaver rhoeas J. P. Smith 2009-6-1 12621 Siskiyou Gazelle to Callahan Road. Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  RSA144605  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mile north of Gazelle on Highway 99 Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
Read comments
May 8 2007
  RSA202366  Parnassia fimbriata J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  UCR70823  Parnassia palustris var. californica L. C. Wheeler 1934-8-14 3127 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  RSA238304  Parnassia palustris var. californica Frederick W. Oettinger 1968-8-3 377 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  UC169888  Paxistima myrsinites Harley P. Chandler June, 1901 1632 Siskiyou ridges & meadows near Marble Mt. (Klamath River to Marble Mt.); North Coast Ranges 2133 Comment
  CHSC96707  Pectiantia pentandra Gordon Leppig; Jennifer Kalt 1996-7-9 356 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
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  JEPS74437  Pedicularis attollens W. J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  CHSC1846  Pedicularis racemosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 1981 Comment
  SBBG26839  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Hungry Crk, Mt. Diablo 1280 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  SEINET6429241  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns; West Fork Cottonwood Creek 1238 Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  POM281761  Pellaea breweri Geo D. Butler 1908-8-8 240 Siskiyou Marble Valley. Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  UC922337  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1949-7-28 5873 Siskiyou Sky High Valley Marble Mountains, Sky High Valley 1767 Comment
  UCR30486  Penstemon anguineus John C. Roos 1948-9-1 3945 Siskiyou 10 mi. SW of Etna Comment
  CDA41886  Penstemon anguineus T. C. Fuller 1974-9-24 20029 Siskiyou Above Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  POM43273  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou Shackleford Creek. 1829 Comment
  UCD67376  Penstemon azureus Lynette Renouf 1992-5-31 25 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along south fork Sacramento River. Comment
  CAS-BOT-BC265374  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  NY590188  Penstemon davidsonii var. davidsonii F. M. Ownbey 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  UC618698  Penstemon davidsonii var. davidsonii W. Bridge Cooke 1938-8-18 11493 Siskiyou Horse Camp slopes Mount Shasta 2438 Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA401795B  Penstemon deustus Donald Myrick 1968-6-27 2037 Siskiyou Rocky ledge just above Carter's Ranch, 5 miles south of Big Flat, head of Coffee Creek. 1677 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  POM237613  Penstemon deustus subsp. deustus C. Leo Hitchcock, J. S. Martin 1939-7-7 5293 Siskiyou North side of Sanger Peak. 1646 Comment
  CHSC1860  Penstemon deustus var. pedicellatus N. Jaekal; K. Jaekal 1930-7-10 Siskiyou Weed. 1056 Comment
  CHSC1862  Penstemon gracilentus V. Holt 1932-7-23 Siskiyou Mt. Shasta Flats. 1219 Comment
  JEPS11460  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  SEINET5329750 Image available Penstemon heterodoxus var. shastensis G. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  NY1012498  Penstemon laetus subsp. sagittatus M. D. Strickler 1994-6-28 94-/ 30 -22 Siskiyou Shasta National Forest. 6.4 miles up the Everitt Memorial Highway from Mount Shasta, California Comment
  UC1874808  Penstemon laetus var. sagittatus Karl Vincent, Charlotte Labbe 1987-8-12 4510 Siskiyou Cascade Range, Mt. Shasta. Along E side of US 97 ca 5.1 mi NE of jct. I-5 Business Loop in Weed. 1158 Comment
  LA209543  Penstemon newberryi var. newberryi Wm. Bridge Cooke; 1938-6-17 11010 Siskiyou Mount Shasta, along the Sisson Southern Trail 1584 Comment
  HSC76947  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  POM257847  Penstemon parvulus C. Leo Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC69505  Penstemon procerus var. brachyanthus John Palmer 1980-7-24 655 Siskiyou Dillon Divide 1707 Comment
  HSC103048  Penstemon roezlii J. P. Smith, J. O. Sawyer, R. J. Cole 2014-6-7 13906 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC71133  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1978-7-24 4495 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  POM44448  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou Foothills of the Goosenest Mtns. Comment
  CAS-BOT-BC6570  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  UC1314265  Penstemon speciosus Noel H. Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  UC164361  Penstemon speciosus Geo. D. Butler 1910-5-18 1360 Siskiyou near Yreka; near Yreka Comment
  UCR37863  Penstemon speciosus Mike Roantree, R. Bonning 1983-5-28 s.n. Siskiyou NW Callahan on Hwy 3, near marker 10.00 Comment
  CHSC91237  Perideridia lemmonii Lowell Ahart; John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CDA38506  Perideridia oregana D. H. Shaw 1982-7-15 s.n. Siskiyou Bogus Creek Area, near Montague. 0 Comment
  SEINET13944995 Image available Perideridia parishii W. J. Ferlatte 1966-1 371 Siskiyou Trinity Alps of northern California; Big Flat Hillside seep forming boggy meadow, between campground and S. Fork of the Salmon R., 5000 ft. T37N R9W SEC 18 1524 Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  HSC68494  Phacelia heterophylla Maralyn A. Renner 1980-6-10 868 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  UC164119  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  SBBG30550  Phacelia linearis D. Myrick 1968-6-22 1993 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  SBBG21895  Phacelia mutabilis D. Myrick 1964-7-25 956 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  HSC29254  Phacelia mutabilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1208 Siskiyou Trail near Willow Springs between Abbotts Upper Cabin and English Lake 1677 Comment
  HSC29260  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou Salmon Mtns., on Mtn. due N of Hancock Lake 1982 Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  CHSC105865  Phacelia pringlei Julie Kierstead Nelson 2010-7-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from hwy 3 at summit to Carment Lake, at Pacific Crest Trail crossing. 1676 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
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  CAS-BOT-BC77427  Philadelphus lewisii Carl B. Wolf 1927-8-27 1127 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  CAS-BOT-BC250788  Phleum alpinum Jason Swallen 1939-7-26 13750 Siskiyou Mount Shasta. Above Panther Creek Meadows Comment
  UCD89313  Phleum alpinum Hursh 1919-9-11 X 3256 Siskiyou Grass Garden Herbarium. Comment
  HSC30605  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow., Tom's Lake region. 2188 Comment
  UC1265412  Phleum pratense F. W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow Tom's Lake region (Salmon Mountains); , , Bear Meadow 2186 Comment
  HSC23553  Phlox adsurgens J. O. Sawyer 1970-7-3 2310 Siskiyou W of Camp 3 Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  RSA238798  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Ca. 1/8 mile northeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC932085  Phlox douglasii subsp. rigida Verne Grant and Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  UC1734049  Phlox gracilis Frank Gould, Kay H. Beach 1940-5-15 1249 Siskiyou Bald Mountain. Comment
  CDA40285  Phlox hoodii subsp. canescens T. C. Fuller 1958-4-17 4826 Siskiyou 3 miles south of Gazelle. 0 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC880539  Phlox speciosa subsp. occidentalis A. A. Heller 1915-7-16 12092 Siskiyou n side Mt. Eddy 1524 Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  UC164050  Phoradendron densum Geo. D. Butler 1908-7-16 1071 Siskiyou Klamath R. Comment
  CAS-BOT-BC135340  Phoradendron juniperinum Peter H. Raven 1956-9-2 10470 Siskiyou N Fork of the Sacramento River 1463 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC135341  Phoradendron juniperinum Wm. Bridge Cooke 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the Mountain. Howard 1219 Comment
  CAS-BOT-BC56495  Phyllodoce empetriformis Annie M. Alexander; Louise Kellogg 1949-7-28 5876 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  JEPS87965  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  RSA105421  Physocarpus capitatus G. D. Barbe 1955-6-29 45 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  HSC4813  Picea breweriana J. O. Sawyer 1968-9-13 711 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  NY29986  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1585429  Picea breweriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 52 Siskiyou n of Seiad Valley (at Cook and Green Pass along trail toward Copper Butte); Cook and Green Pass 1530 Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  UCD70126  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC4811  Picea engelmannii J. O. Sawyer 1968-6-18 181 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  CAS-BOT-BC73385  Pinus albicaulis G. A. Coleman 1901-8-16 s.n. Siskiyou Mt. Shasta, on rocky ridge near head of Paulters Creek. 2590 Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  UC1190165  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  NY34630  Pinus attenuata F. M. Ownbey 1940-7-7 2219 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  HSC45032  Pinus contorta Maralyn O'Meara 1974-5-25 392 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC401403  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  CAS-BOT-BC73261  Pinus contorta var. latifolia H. A. Thomas 1954-7-24 4516 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC1570  Pinus contorta var. murrayana R. C. Wunner 1965-8-22 471 Siskiyou Lava Beds National Monument Hidden Valley, closest end to Mammoth Crater 1585 Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1409272  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou near high ridge nw Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC49105  Pinus monticola Maralyn O'Meara 1972-9-14 114 Siskiyou Below trail to Yellow Rose Mine Comment
  UC141586  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1524 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC922362  Piperia unalascensis Annie M. Alexander and Louise Kellogg 1949-7-31 5907 Siskiyou lower end Sky High Valley; Marble Mountains 1767 Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  HSC92949  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1985-6-19 7826 Siskiyou In and about Scott Mtn. Campground 1646 Comment
  UC726461  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's Prairie Comment
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  HSC33985  Plagiobothrys tenellus J. P. Smith 1974-5-25 7474 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  JEPS107315  Plantago lanceolata Lowell Ahart, John Dittes 2005-6-10 12118 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
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC46149  Platanthera dilatata var. leucostachys J. P. Smith, Steve Selva 1970-7-18 4491 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  RSA68929  Platanthera leucostachys A. E. Culbertson 1943-7-12 29 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  SEINET3162860  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  HSC68375  Plectritis congesta J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  POM208361  Plectritis congesta subsp. brachystemon Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  UC2061778  Poa Unknown 1948-8-2 Siskiyou Mount Shasta, Panther meadow. Comment
  UCD92192  Poa AHM 1955-7-27 55 E Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  CAS-BOT-BC254995  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  UC1924337  Poa compressa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19743 Siskiyou 6.5 mi SW of Etna on Forest Service Rpoad 1C-01 towards Etna Summit 1424 Comment
  SEINET10655749  Poa epilis A. Arthur Heller 1921-7-17 Heller 13579 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek at about 7500 feet in the Canadian zone. Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  UC149785  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock June, 1903 4064 Siskiyou Sisson; Sierra Nevada Mts, Mt Shasta 1066 Comment
  SEINET10893840  Poa pratensis subsp. pratensis Lawrence P. Janeway 1983-7-26 Janeway 592 Siskiyou Preston Peak quad (15') T18N, R6E, SW 1/4 of sec. 20, Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. Dry front edge of the upper part of the meadow. 1524 Comment
  CAS-BOT-BC247530  Poa pringlei A. A. Heller 1921-7-17 13579 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  HSC34096  Poa rhizomata J. O. Sawyer 1969-6-11 844 Siskiyou Above C.C.C. road. 1287 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30659  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou Salmon Mountains, at the base of Abbotts Lake. 1799 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC796628  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11719 Siskiyou e fork of Scott River Schoolhouse Hill; Plowman's Valley [Noyes Valley] Comment
  RSA126049  Polemonium californicum I. L. Wiggins 1955-7-29 13574 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CHSC71309  Polemonium micranthum Vernon H. Oswald; Lowell Ahart 1998-6-11 9218 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC231350  Polemonium pulcherrimum John Thomas Howell 1939-8-9 15220 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC231351  Polemonium pulcherrimum John Thomas Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  UC107054 Image available Polemonium pulcherrimum subsp. pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  RSA105327  Polemonium pulcherrimum var. pilosum G. D. Barbe 1955-8-1 325 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  HSC72371  Polygala cornuta J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8974 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UCR5684  Polygala cornuta O. F. Clarke 1966-8-6 660806- 01 Siskiyou 18 mi. north of Castella on turn out 1162 Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  CAS-BOT-BC170326  Polygala cornuta var. cornuta Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC170332  Polygala cornuta var. cornuta W. R. Dudley 1901-8-25 s.n. Siskiyou Trail South Fork & Scotts Creek Comment
  UC163658  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  RSA466317A  Polygonum davisiae M. B. Dunkle 1945-8-4 9268 Siskiyou Klamath National Forest, Mrable Mts, Paradise Lake Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  RSA759844  Polygonum douglasii subsp. austiniae Robert F. Thorne 1969-8-2 63401 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  UC971921  Polygonum minimum Herbert L. Mason 1950-7-15 14042 Siskiyou Scott Creek Scott Valley Comment
  UC402687  Polygonum phytolaccifolium Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  JEPS93884  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9335 Siskiyou 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit on s side of Tennant Road); Tennant Road 1402 Comment
  UC1408816  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (along trail just nw of falls, w Siskiyou Co.) 1889 Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  HSC27015  Polygonum spergulariiforme J. P. Smith, J. O. Sawyer 1972-9-12 5766 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  HSC61295  Polypogon monspeliensis Ruby Van Deventer 1960-7-14 Siskiyou Road to Flint Valley 2 miles from Klamath River. 762 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UCD78119  Polystichum imbricans Robert E. Preston 2001-6-23 1572 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC76775  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near Sisson Comment
  CAS-BOT-BC72378  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CAS-BOT-BC72385  Polystichum lemmonii Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  JEPS33243  Polystichum lemmonii unknown 1878-7-19 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  RSA602827  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  SFV95  Polystichum lemmonii E. Bacciu 1961-6-1 s. n. Siskiyou Mount Eddy Creek, near Weed. 1524 Comment
  JEPS79619  Polystichum lonchitis Edward Lee ca. 1975 Siskiyou Russian Peak Comment
  UC1408838  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou w slope on se corner of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  CAS-BOT-BC72501  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC79138  Polystichum scopulinum C. J. Thomas 1983-10-1 96 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  POM210928  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1982 Comment
  CAS-BOT-BC102764  Populus tremuloides Doris K. Kildale 1928-8-18 6492 Siskiyou head of North Fork of Salmon River at [Finley's] Finley Upper Camp Comment
  UC1134798  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring; Shasta National Forest, Dunsmuir Quad., Widow Spring Comment
  SEINET10460781  Porterella carnosula A. Arthur Heller 1940-7-23 Heller 15758 Siskiyou Grass Lake on U.S. Highway 97 1561 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
  UCD138308  Potamogeton gramineus Calvin McMillen; Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC141967  Potentilla bruceae Gilbert J. Muth 1969-8-8 1275 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  POM208202  Potentilla glandulosa var. nevadensis Louis C. Wheeler 1934-6-19 2732 Siskiyou Cottonwood Creek, Siskiyou Mts. 1433 Comment
  UC136448  Potentilla gracilis A. A. Heller 1905-6-22 8092 Siskiyou between Igerna and Weed; between Igerna and Weed 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
  SEINET13710170  Potentilla gracilis var. fastigiata Lowell William Ahart, Lowell William Ahart 1998-1 9351 Siskiyou NE of Weed and S of Macdoel along Old State Hwy W of Bray (T44N, R1W, sec 20, SE 1/4) 4650 Ft. 1417 Comment
  JEPS107392  Potentilla millefolia Lowell Ahart, John Dittes 2005-6-10 12095 Siskiyou Steep springy slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CDA26087  Potentilla millefolia Don Shaw 1977-5-3 Siskiyou Novy Ranch, Grenada. 0 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  CHSC1402  Primula suffrutescens V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  RSA12572  Prunella vulgaris var. lanceolata Carl B. Wolf 1934-7-6 6014 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158226  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou On the banks of the Sacramento opposite Upper Soda Spring; Between Dunsmuir and Upper Soda Spring 731 Comment
  RSA75644  Prunus emarginata Albert M. Vollmer 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  SBBG15938  Prunus emarginata D. Myrick 1961-6-21 311 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station on Klamath River 19 mi W of Hwy 99 1981 Comment
  CAS-BOT-BC151240  Prunus virginiana var. demissa L. B. Kildale 1930-5-31 9795 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC151241  Prunus virginiana var. demissa Doris K. Kildale 1928-8-20 6638 Siskiyou Head of North Fork of Salmon River at Finley's upper camp. Comment
  HSC18829  Prunus virginiana var. demissa D. M. Thomson 1965-6-11 75 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. E of Medicine Lake Rd. Comment
  RSA3386  Prunus virginiana var. demissa Carl B. Wolf 1931-9-2 2389 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). Comment
  RSA105504  Prunus virginiana var. demissa Milo S. Baker, Douglas Barbe 1955-6-28 24 Siskiyou 0.8 miles N of Callahan 1006 Comment
  RSA454202  Prunus virginiana var. melanocarpa Christopher Davidson 1975-6-5 2654 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 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
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  POM161491  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1904-6-27 848 Siskiyou Bluffs of Klamath River Comment
  UCD98436  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 6 Siskiyou Rail Creek, Plowman's Valley. 1203 Comment
  HSC68454  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-7-4 1439 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC460549  Pterospora andromedea Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  RSA238569  Pterospora andromedea Frederick W. Oettinger 1968-9-6 730 Siskiyou On ridge top due NEE of Tom's Lake above the trail from English Peak to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 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
  UCD169447  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou About 2 1/2 miles (air) east-southeast of Grenada, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 300 yards east of where cattle water in the Shasta River, on the east side of a poor rock fence. 774 Comment
  CAS-BOT-BC147896  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  RSA449670  Purshia tridentata var. tridentata Bonnie C. Templeton 1964-6-9 10065 Siskiyou Slope of Mt. Shasta Comment
  UCLA62308  Pycnanthemum californicum Francis Drouet and Donald Richards 1941-9-15 4223 Siskiyou canyon of the Sacramento River Dunsmuir; canyon of the Sacramento River 670 Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  HSC67644  Pyrola crypta J. P. Smith, Steve Selva 1970-7-17 4472 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  RSA467923  Pyrola dentata M. B. Dunkle 1944-7-17 9118 Siskiyou Deer Creek. Comment
  UCD77970  Pyrola minor Robert E. Preston 2001-7-20 1677 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  HSC17971  Pyrola picta Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  CAS-BOT-BC466145  Pyrola picta Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC466154  Pyrola picta Miss E. Cannon 1893-8-1 s.n. Siskiyou Mt. Shasta Comment
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  JEPS83896  Quercus Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mountains Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  POM267241  Quercus chrysolepis Marion Ownbey, Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  RSA573417  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  SEINET4077684  Quercus chrysolepis Unknown No date 1090 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC94659  Quercus garryana Carl B. Wolf 1927-8-27 1109 Siskiyou On the Klamath River, Happy Camp Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  UCD46152  Quercus garryana var. breweri John M. Tucker 1972-8-8 4245 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  SEINET3134590  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 sn Siskiyou N of Seiad Valley. 0.5 mi. E of Cook and Green Pass 1494 Comment
  CAS-BOT-BC105466  Quercus kelloggii Alice Eastwood 1912-8-28 1961 Siskiyou Cantara Comment
  POM106357  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River. Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC104362  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  HSC67669  Quercus sadleriana John Palmer 1980-7-24 589 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC74841  Quercus sadleriana J. P. Smith, Jennifer Whipple 1978-7-2 9990 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS37659  Quercus sadleriana W. I. Follett 1936-5-26 52 Siskiyou 16.4 mi nw Happy Camp; Indian Creek 1066 Comment
  JEPS89112  Quercus sadleriana Wayne Roderick 1978-9-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1463 Comment
  RSA152195  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  SFV895  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area. Junction of Red Rock Valley Trail and Canyon Creek Trail. 1341 Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA237792  Quercus vacciniifolia Frederick W. Oettinger 1969-8-18 1436 Siskiyou Southeast of and over the ridge from Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness 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
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UC70365  Ranunculus alismifolius var. alismifolius Milo S. Baker 1898-8-1 499 Siskiyou Medicine Lake; near shore Comment
  JEPS60658  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou creek below L. Eastlick Ranch; Oro Fino Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  HSC77008  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA184769  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  JEPS55090  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 784 Siskiyou near Yreka Comment
  UCD77229  Ranunculus occidentalis Robert E. Preston 2001-6-30 1631 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  RSA746507  Rhamnus californica subsp. occidentalis K. M. Meyer, A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  RSA7821  Rhamnus purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N Fork Salmon River at Finley Camp. Comment
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Jan 25 2013
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  CAS-BOT-BC109791  Rhodiola integrifolia subsp. integrifolia G. J. Muth 1969-8-8 1289 Siskiyou Gap Meadow, Boulder Peak Ridge. 2286 Comment
  HSC31493  Rhododendron columbianum Steve Selva, Roger Jensen 1974-8-25 49 Siskiyou W end of Little Duck Lake Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  CAS-BOT-BC200351  Rhododendron occidentale var. paludosum Alice Eastwood 1917-9-2 6648 Siskiyou Shasta Springs Comment
  HSC100036  Rhus aromatica J. P. Smith, & J. O. Sawyer 2010-5-6 12821 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  HSC65079  Rhus aromatica J. P. Smith, Steve Selva 1970-6-15 3943 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  UC455594  Ribes I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1676 Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  CAS-BOT-BC438012  Ribes L. E. Smith 1913-7-27 499 Siskiyou McCloud Comment
  CAS-BOT-BC92540  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  HSC20283  Ribes cereum D. M. Thomson 1965-8-7 177 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  SEINET515845  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  CAS-BOT-BC108767  Ribes cereum Ella Dales Cantelow 1938-7-2 2369 Siskiyou 12.5 miles east of Sierra City. Comment
  SEINET3151782  Ribes hittellianum A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  JEPS49408  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173285  Ribes lacustre John Thomas Howell 1937-7-22 13305 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA0021104  Ribes lacustre Louis C. Wheeler 1934-6-14 2713 Siskiyou Arrrastre Creek off Hungry Creek, Siskiyou Mountains. 1280 Comment
  HSC68334  Ribes lobbii Maralyn A. Renner 1980-6-26 1236 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS43057  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  UC1408856  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou saddle along ridge between Charmaine Lake and Abbott's Lake; Salmon Mountains, Marble Mountain Wilderness 1889 Comment
  RSA0021151  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek. Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  JEPS25641  Ribes marshallii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7280 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  OBI14034  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  RSA0023151  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp. Comment
  RSA0023153  Ribes nevadense I. L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC199979  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  HSC93044  Ribes roezlii var. cruentum Jennifer Whipple 1976-9-3 1784 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  RSA0024598  Ribes roezlii var. cruentum G. D. Barbe 1955-6-29 44 Siskiyou 2.1 miles east of Callahan on Trinity Center Road, about 600 feet beyond the bridge. 976 Comment
  CAS-BOT-BC186287  Ribes roezlii var. roezlii W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  JEPS49247  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackelford Creek 1524 Comment
  UC1333318  Ribes sanguineum Dorothy Parker 1949-5-26 301 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  CAS-BOT-BC144511  Ribes sanguineum var. sanguineum A. M. Vollmer; L. Beane 1951-6-2 79 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC173903  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges by the Pacific Highway on Klamath River Comment
  CAS-BOT-BC173907  Ribes velutinum Elmer I. Applegate 1927-4-24 5001 Siskiyou Modoc Lava Beds, Battle Ground Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  JEPS25634 Image available Ribes viscosissimum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7273 Siskiyou Poker Flat 1536 Comment
  JEPS49200  Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1911-6-15 148 Siskiyou Jackson Lake Comment
  CAS-BOT-BC74372  Rorippa columbiae L. E. Smith 1915-6-30 s.n. Siskiyou Bray. Comment
  CAS-BOT-BC74655  Rorippa curvisiliqua Doris K. Kildale 1928-7-25 5892 Siskiyou Macks Creek - Klamath River near Hamburg. 457 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UCR51813  Rorippa curvisiliqua L. C. Wheeler 1934-7-3 02872 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mtn. 1768 Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  CDA25127  Rorippa nasturtium-aquaticum F. D. Horn 1977-5-17 Siskiyou Highway 263, Shasta River Canyon, near Yreka. 0 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  UC164064  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou dry land near Yreka Comment
  UC164424  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1219 Comment
  UC60952  Rosa gymnocarpa Geo. B. Grant Sept. 1902 5283 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  CAS-BOT-BC147053  Rosa pisocarpa L. E. Detling 1950-6-11 6631 Siskiyou Siskiyou Pass Comment
  CHSC91229  Rosa rubiginosa Lowell Ahart; John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC149747  Rosa woodsii subsp. ultramontana Carl B. Wolf 1927-8-26 1006 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  RSA237589  Rubus lasiococcus Frederick W. Oettinger 1967-7-30 227 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1190259  Rubus leucodermis Ira L. Wiggins 1955-7-22 13456 Siskiyou 9.5 mi above Cecilville (in South Fork of Salmon River); South Fork Salmon River 1066 Comment
  HSC99687  Rubus parviflorus G. L. Clifton, Terry Griswold 1979-6-28 6129 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  CAS-BOT-BC422225  Rumex acetosella Doris K. Kildale 1928-7-2 5409 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CHSC93540  Rumex crispus Lowell Ahart; John Dittes 2005-6-10 12061 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS3040  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC17613  Rumex triangulivalvis R. C. Wunner 1965-6-22 264 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  HSC65319  Sagittaria cuneata J. P. Smith, Steve Selva 1970-8-8 4547 Siskiyou Juanita Lake Comment
  SDSU11444  Sagittaria cuneata D. F. Howe 1972-7-8 4882 Siskiyou Grass Lake, 21 mies north of Weed on #97 1524 Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 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-BC107781  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
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  CHSC88393  Salix laevigata Jenny Marr 1993-7-1 152 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC107070  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107071  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1500 Comment
  CAS-BOT-BC107083  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 852 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC576384  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124535  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 647 Siskiyou near Dunsmuir Comment
  RSA610772  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1935-5-12 3492 Siskiyou Greenhorn Creek. Siskiyou Mtns. 915 Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC124897  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 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
  UCR133524  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  UCR66564  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  SBBG57981  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  HSC91170  Salix sitchensis Jennifer Whipple 1976-9-4 1800 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD102291  Salvia dorrii var. pilosa Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  OBI5331  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow prop, Greenhorn Valley, ca 2 mi W of Yreka Comment
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  JEPS98637  Sanicula crassicaulis O. Gomez and P. Vargas 1996-5-26 39 PV96 Siskiyou ca. 4 mi N of the town by Seiad Crek road Seiad Valley Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  SEINET13945185 Image available Sanicula graveolens L. Constance 1950-1 3360 Siskiyou East slope of Little Grayback Peak near summit, alt. 5700 ft 1737 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
Read comments
Jul 10 2010
  SEINET6631662 Image available Sarcodes sanguinea D. V. Hemphill 1974-1 Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness 1554 Comment
  HSC103906  Saxifraga bryophora Dana York, Richard Helliwell 2010-9-11 3014 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UC166552  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  JEPS25636  Saxifraga ferruginea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7275 Siskiyou Poker Flat 1536 Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  JEPS86118  Saxifraga integrifolia Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass Area, just e of Pass Cook and Green Pass Area 1371 Comment
  JEPS89175  Saxifraga integrifolia Gilbert Muth 1966-7-8 475 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Black Mountain 2057 Comment
  CDA25440  Saxifraga nidifica G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2655 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  HSC101871  Saxifragopsis fragarioides R. D. Whittlesey 2013-8-3 14 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  POM354593  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  RSA211114  Saxifragopsis fragarioides William J. Ferlatte 1967-7-25 730 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC1190129  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  HSC39100  Schoenoplectus tabernaemontani D. H. Norris 1970-5-23 12251 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  JEPS117616  Scirpus acutus var. occidentalis Lowell Ahart, John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  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
  CHSC86628  Scirpus microcarpus Jenny Marr 1993-7-1 11 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC100034  Sclerochloa dura J. P. Smith, & J. O. Sawyer 2010-5-6 12819 Siskiyou Camp Creek Campground. 727 Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  HSC10230  Secale cereale D. M. Thomson 1965-7-17 151 Siskiyou Lava Beds National Monument, N boundary Comment
  RSA0083645  Sedum oregonense R. F. Thorne, Frederick W. Oettinger 1969-8-4 63383 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  HSC27494  Sedum radiatum J. P. Smith, J. O. Sawyer 1972-5-28 5381 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  JEPS82427  Sedum rosea subsp. integrifolium Gilbert Muth 1966-7-31 474 Siskiyou n side Black Mt. (Marble Mt. Wilderness Area); , n side Black Mt. 2057 Comment
  JEPS82439  Sedum stenopetalum Gilbert Muth 1966-7-25 499 Siskiyou Marble Mt. Lookout , Marble Mt. Lookout (Marble Mt. Wilderness Area) 2097 Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  JEPS60160  Selaginella wallacei Geo. D. Butler 1909-7-15 874 b Siskiyou Highland Mine Highland Mine Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  HSC76771  Senecio hydrophiloides K. T. Stillman 1976-8-7 373 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 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
  UC166186  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC364446  Senecio triangularis Doris K. Kildale 1929-8-23 8803 Siskiyou Youngs Valley on trail to Preston Peak Comment
  UC163869  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley Comment
  CAS-BOT-BC364724  Sericocarpus oregonensis subsp. californicus Alice Eastwood 1917-9-2 6659 Siskiyou Shasta Springs Comment
  JEPS109700  Shepherdia canadensis Dean W. Taylor 2002-7-20 18259 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  HSC19439  Sibbaldia procumbens J. O. Sawyer 1969-8-3 1730 Siskiyou W of Little Duck Lake 2195 Comment
  RSA237595  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Near Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  CAS-BOT-BC213143  Sidalcea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS83879  Sidalcea glaucescens Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  POM299543  Sidalcea glaucescens Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou Summit of Siskiyou Mountain, 21 miles north of Happy Camp. Comment
  HSC69023  Sidalcea malviflora Maralyn A. Renner 1980-7-24 2009 Siskiyou Lily Pad Lake Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  RSA0048462  Sidalcea oregana Geo. E. Julian 1962-7-20 s.n. Siskiyou Mt. Shasta. Comment
  JEPS67251  Sidalcea oregana subsp. oregana Geo. D. Butler 1909-6-4 768 Siskiyou below Yreka; below Yreka Comment
  RSA448577  Sidalcea oregana subsp. oregana M. B. Dunkle 1945-8-7 9336 Siskiyou Paradise Lake Comment
  HSC76675  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-21 280 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC67837  Silene bernardina J. O. Sawyer, J. Cole 1980-7-22 3915 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS23251  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
  CAS-BOT-BC181187  Silene campanulata subsp. glandulosa Doris K. Kildale 1929-7-20 8649 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  JEPS2862 Image available Silene campanulata subsp. glandulosa W. L. Jepson Jul 17 1902-Jul 22 1902 2076 a Siskiyou trail to Salmon Forks; Salmon Summit; Trail to Salmon Forks, Salmon Summit, Western Siskiyou 2133 Comment
  RSA120891  Silene campanulata subsp. greenei Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA790241  Silene douglasii Rebecca Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher s Peak. 2134 Comment
  CAS-BOT-BC388964  Silene grayi Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  HSC65007  Silene grayi D. L. Goforth 1979-7-19 257 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi NW of upper lake 2134 Comment
  RSA233662  Silene grayi R. F. Thorne, Frederick W. Oettinger 1969-8-10 39001 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC181253  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  UC618595  Silene suksdorfii W. B. Cooke 1938-9-8 11648 Siskiyou n side of Red Butte , n side of Red Butte (Mount Shasta) Comment
  UC856991  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton 1097 Comment
  CAS-BOT-BC75154  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  CAS-BOT-BC75162  Sisymbrium altissimum Wm. Bridge Cooke 1938-8-19 11525 Siskiyou Mount Shasta. Lower Bear Spring. 1524 Comment
  UC618660  Smilacina racemosa W. Bridge Cooke 1938-6-17 11012 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  UC1190167  Smilacina stellata Ira L. Wiggins 1955-7-23 13478 Siskiyou China Creek 1097 Comment
  UC60938  Smilax californica Geo. B. Grant September, 1902 5214 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS107296  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC28653  Solanum parishii Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below seepage along trail from English Lake to Diamond Lake 1875 Comment
  JEPS12118  Solanum rostratum W. L. Kleaver 1921-7-30 Siskiyou Yreka Comment
  NY820314  Solanum triflorum L. C. Wheeler 1935-7-13 3655 Siskiyou Ager 792 Comment
  CAS-BOT-BC157044  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-20 1772 Siskiyou Near Yreka along Shasta River Comment
  CDA8727  Solidago canadensis subsp. elongata T. C. Fuller 1960-7-25 4868 Siskiyou North limits of Mt. Shasta City. 0 Comment
  RSA293120  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou Half a mile north of Siskiyou-Trinity County line on State Route 3. Comment
  UC88189  Solidago elongata Katharine Curran Jul 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  POM210973  Sorbus californica Louis C. Wheeler 1934-8-8 3068 Siskiyou W Fork Beaver Creek. Siskiyou Mtns. 1677 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  RSA96708  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-13 20289 Siskiyou Indian Creek Rd to Obrien. At summit of pass. 21 miles NW of Hwy 96 at Happy Camp. 1555 Comment
  UC163746  Sorbus scopulina var. scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  JEPS44996  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek 1828 Comment
  UCR47902  Spiraea douglasii 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
  RSA304937  Spiraea douglasii James R. Shevock 1972-7-26 2226 -A Siskiyou Along the Klamath River. 518 Comment
  JEPS63046  Stachys ajugoides var. rigida W. L. Jepson 1894-8-9 14958 Siskiyou Shasta Springs Comment
  UC1483439  Stachys ajugoides var. rigida John Palmer 1980-8-15 962 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  UC637084  Stachys ajugoides var. rigida Edward Lee 1934-8-13 1073 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek Klamath National Forest, Indian Creek 1371 Comment
  UC528039  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-18 3886 Siskiyou Medicine Lake Comment
  RSA12667  Stephanomeria lactucina C. B. Wolf 1934-7-6 6027 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  SEINET11262515  Stephanomeria lactucina Carl B. Wolf 1934-7-6 6027 Siskiyou W slope of Mt Shasta. Snowline Road, 3 3/10 mi from Mt Shasta City.; 0 Comment
  HSC6232  Stephanomeria virgata R. C. Wunner 1965-9-8 509 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CAS-BOT-BC61129  Streptanthus barbatus Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy. Comment
  UC726781  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mt. Eddy 2133 Comment
  SEINET3149307  Streptanthus orbiculatus M. S. Baker 1898-8-1 495 Siskiyou Medicine Sake Mts. Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87857  Streptanthus tortuosus W. B. Cooke; Reed Rollins 1940-6-7 15111 Siskiyou Along the Pacific Highway near Black Butte. 1219 Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UCD116312  Streptanthus tortuosus Robert E. Preston 1984-7-26 496 Siskiyou Mt. Shasta Ski Bowl. 2316 Comment
  CHSC557  Streptanthus tortuosus var. orbiculatus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SDSU1282  Streptanthus tortuosus var. orbiculatus D. F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  HSC25  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake Basin 1677 Comment
  UC576572  Swertia albicaulis var. nitida L. Constance 1928-6-10 Siskiyou near Dunsmuir Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  CAS-BOT-BC234786  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC234791  Symphoricarpos mollis Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC1280829  Symphoricarpos mollis H. E. McMinn 1931-6-26 2507 Siskiyou near Shasta Soda Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC99034  Symphyotrichum cusickii Doris K. Kildale 1928-8-20 6619 a Siskiyou Hancock Lookout, on trail to Marble Mt. Comment
  CAS-BOT-BC99036  Symphyotrichum cusickii John Thomas Howell 1939-8-7 15134 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  JEPS89331  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Hwy. 161 (Oregon border) 8.3 mi. w. from Hwy 139 Lower Klamath Nat'l Wildlife Refuge 1249 Comment
Read comments
Oct 8 2007
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC36891  Taraxacum officinale J. P. Smith 1974-5-26 7534 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  UC615192  Taraxia tanacetifolia Beryl O. Schreiber 1932-7-18 443 Siskiyou near Dorris Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  UC667974  Taxus brevifolia Joseph P. Tracy 1935-8-1 14418 Siskiyou 1 mi e Salmon Summit Mine (cirque at head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA184727  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  UCD116429  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC77711  Thelypteris nevadensis Doris K. Kildale 1928-7-3 5438 Siskiyou Little North Fork of Salmon River Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  UC796512  Thlaspi montanum var. montanum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11714 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowman's Valley (Noyes Valley) (Plowmans Valley [Noyes Valley]) Comment
  UC1483560  Tiarella trifoliata var. unifoliata John Palmer 1980-8-12 710 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  UC1090399  Tofieldia occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp Klamath National Forest 1524 Comment
  SD264755  Torilis arvensis Tracey G. Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river Ao mile east of mouth of Beaver Creek. 487 Comment
  HSC46950  Tragopogon dubius William J. Ferlatte 1974-7-16 1550 Siskiyou Big Flat near South Fork of the Salmon River, 100 yds. W of campground 1524 Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  JEPS2898 Image available Trichostema simulatum Dr. E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  POM312878  Trifolium eriocephalum subsp. eriocephalum H. L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake, in forested hills Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  HSC76634  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA215649  Trifolium longipes subsp. elmeri Gilbert Muth 1969-8-8 1287 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  UC968604  Trifolium longipes var. hansenii C. L. Hitchcock and J. S. Martin 1939-7-9 5332 Siskiyou near King's Castle (Paradise Lake) Comment
  UCD78064  Trifolium productum Robert E. Preston 2001-6-23 1607 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1981 Comment
  UC57208  Trifolium repens H. M. Hall and E. B. Babcock 1903-6-1 4068 Siskiyou Sisson Mount Shasta Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  SBBG25900  Trifolium wormskioldii D. Myrick 1966-8-13 1549 Siskiyou Big Flat Cmpgrd, Mountain Meadow Ranch, Big Flat Comment
  UC164234  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  CAS-BOT-BC519099  Trillium chloropetalum var. chloropetalum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 mile north of Beaver Creek Public Camp along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River, Klamath National Forest Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68314  Trillium ovatum Maralyn A. Renner 1980-6-26 1226 Siskiyou SE edge of Flint Valley. 1390 Comment
  CHSC95088  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8734 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  HSC26705  Trisetum spicatum William J. Ferlatte 1971-9-18 1384 Siskiyou Caribou Basin. 2226 Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UCSB25012  Triteleia crocea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC522341  Triteleia hyacinthina A. A. Heller 1893-6-21 13265 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. 1158 Comment
  RSA68876  Triteleia hyacinthina A. E. Culbertson 1943-7-1 80 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  UC454044  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  CAS-BOT-BC524311  Triteleia ixioides subsp. anilina Alice Eastwood 1923-5-27 s. n. Siskiyou Shasta Springs Comment
  NY64387  Tsuga mertensiana I. L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Prinitive Area 2042.2 Comment
  CAS-BOT-BC80246  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Craggy Pk. Comment
  CAS-BOT-BC80260  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  CAS-BOT-BC91273  Umbellularia californica Berta B. Kessel 1959-10-24 s.n. Siskiyou Pick-a-wish Forest Camp, about 8 miles south of Happy Camp. Comment
  JEPS43439  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka (Butler Creek); Butler Creek Comment
  JEPS21875  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-17 800 Siskiyou Hwy. 97, Grass Lake Grass Lake Comment
  CAS-BOT-BC391313  Vaccaria hispanica L. E. Smith 1914-6-24 723 Siskiyou Sisson Comment
  RSA238872  Vaccinium Frederick W. Oettinger 1969-07 11 Siskiyou A short ways up the trail from Hancock Lake to Daimond Lake before Base Camp Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  HSC65289  Vaccinium cespitosum Rich White 1978-7-3 219 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CHSC88622  Vaccinium membranaceum Gail A. Newton 1981-7-29 2328 Siskiyou Klamath National Forest. Near Willis Hole. 1365 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  JEPS84279  Valeriana sitchensis subsp. sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6536 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole) 1980 Comment
  HSC100333  Ventenata dubia J. P. Smith 2011-7-15 13301 Siskiyou 1427 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment
  RSA237913  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Bear Meadow near Tom Tyler [Taylor] Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Commen