Search Results — 2000 specimen records retrieved (1349 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0091807  Abies concolor Bonnie C. Templeton 1968-6-13 11329 Siskiyou Near Castle lake. 1981 Comment
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC78021  Abies grandis Clarence R. Quick 1958-11-3 58 -1 Siskiyou West of Hilt, near Oregon border Comment
  JEPS59141  Abies lasiocarpa var. lasiocarpa J. O. Sawyer 1968-10-7 754 Siskiyou meadow w Little Duck Lake; Aetna Quad 1935 Comment
Read comments
Mar 18 2011
  CAS-BOT-BC73484  Abies magnifica W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  SEINET3559843 Image available Abies magnifica James Montgomery 1969-7-24 80918 a Siskiyou Mount Shasta, Mount Shasta National Forest. 1981 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  UC454748  Acer glabrum var. glabrum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  CAS-BOT-BC332787  Acer macrophyllum Alice Eastwood 1912-7-23 1343 Siskiyou Cantara Comment
  UC18120  Acer macrophyllum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  HSC67706  Achillea millefolium John Palmer 1980-7-24 606 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC58837  Achlys triphylla Marvin Butler 1971-7-8 57 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CDA24384  Achlys triphylla Don Shaw 1979-5-24 Siskiyou Sawyers Bar. 0 Comment
  CAS-BOT-BC210722  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek, Siskiyou Mts. 1310 Comment
  POM211395  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  RSA603013  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-6-9 3559 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  CAS-BOT-BC216918  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  UC1265473  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou above Tom's Lake (Bear Meadow); Salmon Mtns., High Lake Basins near English Peak, Marble Mtn 2186 Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  HSC71632  Acmispon micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River Comment
  UC61081  Aconitum columbianum W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mt. Shasta, McCloud R., The Bend Comment
  HSC4993  Aconitum columbianum subsp. columbianum J. O. Sawyer 1968-7-10 521 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  CHSC1346  Aconogonon newberryi N. Jaekel; K. Jaekel 1939-7-10 Siskiyou Panther Meadows, Mt. Shasta. Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  HSC77010  Aconogonon phytolaccifolium K. T. Stillman 1976-7-7 164 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  JEPS80534  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mt. Wilderness Area 1798 Comment
  RSA262473  Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-7-7 3719 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta 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
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  CAS-BOT-BC29446  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  SD76148  Ageratina occidentalis Helen V. Witham 1969-10-6 549 Siskiyou West face, granit cliffs above Kangaroo Lake. 2100 Comment
  CAS-BOT-BC29448  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  RSA12510  Ageratina occidentalis Carl B. Wolf 1934-7-4 5926 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA238750  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 517 Siskiyou Bear Meadow,' mid-way, as the crow flies, between Tom Taylor Cabin and English Peak lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS35716  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 303 Siskiyou head of, near summit Wooly Creek 1767 Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  CDA316  Agoseris grandiflora T. C. Fuller 1965-6-1 13587 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  HSC67938  Agoseris heterophylla J. P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS23680  Agoseris heterophylla var. heterophylla W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC618848  Agoseris heterophylla var. heterophylla W. Bridge Cooke 1938-6-24 11069 Siskiyou largely in an old wagon rd, also in the surrounding meadow and chaparral MacBride Spring; Mount Shasta 1524 Comment
  CDA3361  Agrostemma githago William J. Ferlatte 1978-6-25 1909 Siskiyou Big Springs Area. 1/4 mile north of Road A12, 1 mile east of Four Corners. 0 Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UCD35435  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  RSA239095  Agrostis humilis Frederick W. Oettinger 1968-9-5 713 Siskiyou English Lake Basin, Base Camp meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  RSA14318  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou West side of Medicine Lake 1982 Comment
  HSC30537  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou Marble Mtn. Wilderness Area, S of big bare area between King David's and Abbot's Basin 1905 Comment
  JEPS104859  Agrostis pallens Dean W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  UCD21466  Agrostis scabra Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1206 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  UC164477  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou hill near Yreka Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC462988  Allium bolanderi L. B. Kildale 1930-6-1 9704 Siskiyou Salmon River at Crapp Creek Comment
  CAS-BOT-BC462989  Allium bolanderi D E Breedlove 1962-6-10 3302 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp 975 Comment
  CHSC75650  Allium falcifolium Vernon H. Oswald; Kenneth Beatty 1999-6-27 9792 Siskiyou Little Shasta Valley ca. 11 air mi north of Grass Lake, ca. 9 air mi southwest of Meiss lake. 1828 Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  UCR40078  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  UCD143201  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments
Mar 27 2015
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  HSC78219  Allium validum L. P. Janeway 1983-8-6 512 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  RSA237879  Allium validum Frederick W. Oettinger 1967-7-30 219 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC552958  Allotropa virgata W. Bridge Cooke 1936-9-8 Siskiyou on Mount Shasta Mount Shasta Comment
  UCD77317  Allotropa virgata Robert E. Preston 2001-6-23 1586 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mtn. 1920 Comment
  RSA238548  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1967-8-20 294 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, along the stream from Tom Taylor Cabin spring. 2050 Comment
  UC375243  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Woolly Creek; bank of lake at head Comment
  CAS-BOT-BC169641  Alnus rhombifolia C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon, Shovel Creek Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  UC127628  Alnus rhombifolia Mrs. Kate J. Stirring 1905-2-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC169643  Alnus rhombifolia W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon? or Rush Creek Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  POM211401  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Border of sunny creek. Cottonwood Creek, Siskiyou Mts. 838 Comment
  UCR143546  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CDA3621  Alyssum alyssoides F. D. Horn 1977-4-2 Siskiyou ca. 5 km south of Weed. 0 Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC86362  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4233 Siskiyou Top of Medicine Mtn. 2085 Comment
  HSC86363  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4232 Siskiyou Top of Medicine Mtn. 2085 Comment
  HSC22281  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer 1969-7-3 1046 Siskiyou Above Lipstick Lake 1951 Comment
  RSA782329  Amelanchier alnifolia var. semiintegrifolia R. W. Spjut, Paul Burchstead 2008-6-12 16344 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC4960  Amelanchier pallida J. O. Sawyer 1968-7-9 423 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  CAS-BOT-BC136885  Amelanchier utahensis Wm. Bridge Cooke 1938-8-5 11434 Siskiyou [MacBride Spring] McBride Springs Road Comment
  UC618747  Amelanchier utahensis unknown 1938-8-5 11434 Siskiyou MacBride Spring Road; Mount Shasta Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  SEINET10898751  Amelanchier utahensis Katherine L. Morris 1973-5-25 Morris 268 Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 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
  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
  CAS-BOT-BC45205  Anaphalis margaritacea William Bridge Cooke 1939-7-10 13863 Siskiyou Mount Shasta. West bank of Mud Creek Canyon. 2133 Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  CAS-BOT-BC391810  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 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
  CAS-BOT-BC391790  Anemone deltoidea Philip A. Munz 1952-7-1 17862 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mts. 1219 Comment
  UC853531  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  UCR52382  Anemone drummondii R. James, S. Matthews, M. Goering 1985-6-1 138 Siskiyou Scott Mountain road about 2-3 miles from summit 1405 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  UC618684  Anemone occidentalis W. Bridge Cooke 1938-7-21 11303 Siskiyou s. Horse Camp (crekk basins around s.w. slopes Mt. Shasta); Mt. Shasta Comment
  UC853596  Anemone occidentalis L. E. Smith Siskiyou Mt. Shasta Comment
  UC1190108  Anisocarpus madioides Ira L. Wiggins 1955-7-23 13466 Siskiyou ridge w China Creek (s side of S Fork of Salmon River) 1005 Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  UC165287  Antennaria argentea Geo. D. Butler 1908-6-29 334 Siskiyou near Oro Fino Comment
  CAS-BOT-BC59280  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Creek, Sterling Mt. Mt. Diablo Mer. 1767 Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  CAS-BOT-BC69101  Antennaria media Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta, Horse Camp. Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  JEPS120229  Antennaria racemosa Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -053 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi E of junction with 42N19 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  UC1037288  Antennaria rosea Leo Whitney 1934-6-10 1702 Siskiyou near Tennent; Antelope Creek 1463 Comment
  HSC29209  Antennaria rosea subsp. rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry border of 'Bear Meadow', between Tom Taylor Cabin and English Peak Lookout 2005 Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  SEINET516159 Image available Apera interrupta Vernon H. Oswald 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  UC1034601  Apocynum androsaemifolium Douglas Barbe 1955-6-30 53 Siskiyou just w. of Forest camp Etna 914 Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  HSC727  Aquilegia formosa William J. Ferlatte 1967-7-25 722 Siskiyou Caribou Basin 1982 Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  UC375263  Aquilegia formosa Geo. D. Butler 1908-8-3 358 Siskiyou Shackleford Creek Log Lake Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  UC375262  Aquilegia formosa Geo. D. Butler 1908-7-12 1062 Siskiyou Humbug Mt. Comment
  HSC73991  Aquilegia formosa var. formosa Gail Newton 1980-6-20 484 Siskiyou Near Bald Mtn. 1097 Comment
  RSA0125740  Arabis breweri L. P. Janeway 1983-9-10 650 Siskiyou South ridge of Little Grayback Mtn. 1738 Comment
  HSC44739  Arabis breweri var. breweri J. O. Sawyer, E. Cope 1977-6-21 2979 Siskiyou Near Prescott Peak 1677 Comment
  HSC81529  Arabis divaricarpa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6196 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  POM266023  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  POM94625  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  HSC90271  Arabis modesta D. L. Goforth 1980-6-26 643 Siskiyou Salmon River at Tripp Creek 351 Comment
  HSC92701  Arabis modesta D. L. Goforth 1980-4-23 476 Siskiyou Salmon River Rd. across from Sauerkraut Gulch 366 Comment
  UC673139  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2907 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  RSA0128839  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC171618  Aralia californica Alice Eastwood 1917-9-2 6703 Siskiyou Shasta Springs Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs 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
  JEPS49008  Arceuthobium Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek 1524 Comment
  SEINET2471294  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -47 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  RSA121383  Arceuthobium campylopodum G. D. Barbe 1955-7-29 314 Siskiyou 0.75 mi E of Scott Mtn Road on road to Big Carmen Lake. 1707 Comment
  SEINET2471245  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -56 Siskiyou Above Gumboot Lake 1980 Comment
  SEINET2471352  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-18 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte) 1530 Comment
  UCD50870  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20802 Siskiyou Around the little lake above and to east of Upper Cliff Lake. Comment
  HSC18958  Arctostaphylos nevadensis G. L. Clifton, Griswold 1979-6-28 6123 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC31992  Arctostaphylos nevadensis Steve Selva, Roger Jensen 1974-8-16 10 Siskiyou Above Sugar Lake Comment
  JEPS124856 Image available Arctostaphylos nevadensis C. L. Kline 1965-7-13 200 Siskiyou Mt. Shasta. 500' above ski bowl, Comment
  CAS-BOT-BC46466  Arctostaphylos patula L. E. Smith 1913-4-10 69 Siskiyou Near Sisson. Comment
  CAS-BOT-BC46468  Arctostaphylos patula C. Hart Merriam 1918-9-20 s.n. Siskiyou Happy Camp, Klamath Canyon. Comment
  CAS-BOT-BC46500  Arctostaphylos patula Alice Eastwood 1917-9-2 6682 Siskiyou Shasta Springs. Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  RSA785506  Arctostaphylos patula Doris Bowers 1972-9-1 1890 Siskiyou Glass Mt., S/o Lava Beds National Mon. 1829 Comment
  UC410799  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Springs Comment
  SEINET11990947  Arctostaphylos patula Unknown 1983-1 4887 Siskiyou Terrace Lake 1898 Comment
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  JEPS89015  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-4-26 693 Siskiyou Oro Fino Comment
  CAS-BOT-BC47099  Arctostaphylos viscida subsp. viscida W. R. Dudley 1901-8-24 s.n. Siskiyou Trail S. Fork of Salmon River, below Smiths, Salmon Mts. Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  HSC60936  Arnica amplexicaulis Ruby Van Deventer 1955-8-3 Siskiyou A camp in upper Young's Valley. Clear Creek Camp Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CDA10119  Arnica cordifolia var. pumila G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2608 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UCD77356  Arnica discoidea Robert E. Preston 2002-6-19 1822 Siskiyou Dunsmuir, in forest along E bank of Sacramento River. 727 Comment
  HSC22144  Arnica discoidea J. O. Sawyer 1969-8-18 1994 Siskiyou Above South Sugar Lake 1829 Comment
  CAS-BOT-BC82606  Arnica lanceolata subsp. prima Doris K. Kildale 1929-8-24 9082 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS120257  Arnica lanceolata subsp. prima Julie Kierstead Nelson 2011-9-7 2011 -47 Siskiyou Eastern Klamath Mountains, The Eddys, Headwaters of Parks Creek at base of China Mountain, NW of Caldwell Lakes Basin Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  UC1040751  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Big Marshy Meadows Klamath National Forest 1981 Comment
  UC1409284  Arnica mollis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1251 Siskiyou below, along steep gorge, (high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC90484  Artemisia douglasiana K. T. Stillman 1976-9-9 486 Siskiyou Marble Mountain Wilderness Area, Trail from jump off to Paradise Lake. Scott Bar quad. 1950 Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  HSC34311  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1973-8-14 7324 Siskiyou West of Cliff Lake 2012 Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC400708  Asarum hartwegii Wayne Roderick 1967-7-28 s.n. Siskiyou Along road to ski area, Mt. Shasta Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  HSC3731  Asclepias fascicularis C. B. Wolf 1927-8-26 1056 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  HSC93541  Asclepias speciosa G. Fred Hrusa 1997-9-18 14109 Siskiyou Shasta Valley, 1 mi. S of Gazelle on Old Hwy. 99 800 Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  HSC36219  Asclepias speciosa John Rehling 1974-8-24 38 Siskiyou Along Scott River at the confluence of the Klamath River. Comment
  HSC81673  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-7-17 6083 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  SEINET10945674  Aspidotis densa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 885 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
  UC1034654  Aspidotis densa Douglas Barbe 1955-7-26 260 Siskiyou nw slope Scott Mt; Klamath Mts 1828 Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  POM58123  Aster eatonii E. B. Copeland 1903-8-13 3821 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC177861  Astragalus curvicarpus var. curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  JEPS54811  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Comment
  CAS-BOT-BC193063  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11518 a Siskiyou Scott Bar 548 Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  HSC34420  Astragalus whitneyi var. siskiyouensis A. M. Montalvo, J. D. Ackerman 1974-7-2 342 Siskiyou Sacramento River drainage between Mt. Shasta and Mt. Eddy, along road to Deadfall Lakes and Morgan Meadows. 1524 Comment
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA396130  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak. 1982 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  RSA333468  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4071 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek Comment
  CAS-BOT-BC66020  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  CHSC72232  Atriplex rosea Vernon H. Oswald; Lowell Ahart 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1243 Comment
  UCD97855  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou alongside road to Tule Lake, about one mile east of Highway 97, along east-west road paralleling Oregon-California border, just inside California. Comment
  UC166161  Balsamorhiza Geo. D. Butler 1910-5-10 1337 Siskiyou Shasta Valley Comment
  CAS-BOT-BC106550  Balsamorhiza deltoidea Doris K. Kildale 1929-3-10 7773 Siskiyou Klamath River at Hornbrook 609 Comment
  SEINET7042826  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  HSC65096  Berberis aquifolium var. aquifolium J. P. Smith 1973-5-5 6478 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  OBI20531  Berberis nervosa H. E. McMinn 1932-6-27 2532 Siskiyou Serad Valley to Clear Crk, Klamath River Comment
  UC165959  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou <Hanby Creek> Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  CHSC63503  Betula occidentalis Vernon H. Oswald; Lowell Ahart 1994-8-1 6443 Siskiyou Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed. 1706 Comment
  JEPS120186  Betula occidentalis Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. ca. 1 mile S of Gazelle-Callahan Hwy. Comment
  UC1076038  Betula occidentalis Herbert L. Mason 1947-5-15 14754 Siskiyou nw Edgewood Comment
  UCR30556  Bidens frondosa John C. Roos 1948-9-1 3942 Siskiyou Marsham Stream at Yreka Comment
  CAS-BOT-BC413071  Bistorta bistortoides L. S. Smith 1915-6-1 s.n. Siskiyou Sisson Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  JEPS87873  Blepharipappus scaber Vernon H. Oswald and Lowell Ahart 1994-8-1 6444 Siskiyou junction of Forest Rd. 17 and Stewart Springs Rd. (w of Weed) 1146 Comment
  UC1076190  Blepharipappus scaber Herbert L. Mason 1931-5-9 5873 Siskiyou 4 mi n of Dunsmuir Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  CAS-BOT-BC16871  Boechera R. C. Wenk 2005-7-15 217 Siskiyou Trinity Alps, above S Fork of Salmon R., along the Yellow Rose Mine Trail, top of pass going N towards Preacher's Peak 2133 Comment
  UC165320  Boechera breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River Comment
  CAS-BOT-BC14110  Boechera pauciflora Alice Eastwood 1923-5-18 11826 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC14094  Boechera pauciflora Elmer I. Applegate 1935-6-2 9274 Siskiyou Lava Beds National Monument. Indian Well Ranger Station. Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  SEINET3166090  Boechera retrofracta P. J. Alexander 2008-7-23 867 -A Siskiyou Boulder Creek Trail, +-1.9 miles N of Boulder Peak, +-6 miles ENE of Black Marble Mountain, +-15 miles NW of Etna, Salmon Mountains, Klamath National Forest. 1798 Comment
  CAS-BOT-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  CAS-BOT-BC25869  Boechera subpinnatifida Alice Eastwood; John Thomas Howell 1937-6-25 5024 Siskiyou Callahan. Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  CHSC61558  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 604 Siskiyou Siskiyou Mountains; at Poker Flat. Along the road on the north side of the meadow. 1524 Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  UCD58489  Bromus commutatus P. B. Kennedy 1923-7-29 s.n. Siskiyou Mt. Shasta. Camp Sisson. Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  UC70742  Bromus hordeaceus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC43062  Bromus inermis K. T. Stillman 1976-8-31 454 Siskiyou E and N sides of Williams Point 366 Comment
  CHSC71513  Bromus japonicus Vernon H. Oswald; Lowell Ahart 1998-7-21 9326 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of a meadow. 1524 Comment
  CAS-BOT-BC105073  Bromus orcuttianus R. C. Wenk 2008-7-24 915 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  POM112727  Bromus rubens Geo D. Butler 1910-5-4 1270 Siskiyou Dry hill near Yreka Comment
  SACT000751  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou chaparral Comment
  JEPS80526  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout, Alpine fells field area Marble Mountain Wilderness Area 2042 Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  UC1495324  Bromus suksdorfii Robert T. Clausen and Harold Trapido 1940-7-26 4950 Siskiyou Mount Shasta, along e side of canyon of Mud Creek, Sacramento River Basin Mount Shasta; Pacific Slope, S Cascade Mountains, Sacramento River Basin 1584 Comment
  CAS-BOT-BC185594  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  JEPS107670  Bromus tectorum Lowell Ahart, John Dittes 2005-6-9 12010 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC144810  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC204737  Bromus tectorum Geo. D. Butler 1908-6-25 475 Siskiyou near Yreka Comment
  UCD57230  Calamagrostis canadensis A. H. Murphy 1954-8-12 54 - Siskiyou USFS, Klamath National Forest, Secret Valley. 1676 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  CAS-BOT-BC185259  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8826 Siskiyou Preston Peak. 2133 Comment
  UCD56963  Calamagrostis sesquiflora Peter Kamb 1949-8-25 1487 Siskiyou southwest slope of Mt. Shasta above Horse Camp. 2621 Comment
Read comments
Apr 1 2012
  CAS-BOT-BC112319  Calliscirpus criniger Peter H. Raven 1956-8-4 10383 Siskiyou Ridge S of Mt Eddy. 2286 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
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  JEPS39855  Calocedrus decurrens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw of Etna Mt.; Salmon Mt. Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  JEPS104938  Calochortus elegans Dean W. Taylor 1996-6-28 15752 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  JEPS104951  Calochortus greenei Dean W. Taylor 1996-6-26 15744 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
Read comments
Feb 28 2009
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  JEPS84229  Caltha biflora L. R. Heckard with J. Hickman 1986-7-16 6443 Siskiyou Lily Pad Lake, SE of Red Butte, ca 5 mi N of the town Seiad Valley. 1770 Comment
  CAS-BOT-BC181509  Caltha leptosepala J. C. Chastain 1917-6-1 s.n. Siskiyou North fork, Trinity River Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  UC1971695  Calycadenia truncata 1974-9-12 2160 Siskiyou 0.4 mi E of Somesbar on Salmon River Road 195 Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  HSC46108  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass Rd. Comment
  UC796486  Calyptridium umbellatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11761 Siskiyou French Creek Logging Road w of Callahan 1066 Comment
  UC141667  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC99980  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 2005-7-16 9380 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  POM76572  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou Humbug Road Comment
  JEPS61535  Camassia quamash subsp. quamash Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC160897  Camissonia tanacetifolia subsp. tanacetifolia Lewis S. Rose 1936-7-28 36701 A Siskiyou Mt. Hebron 1297 Comment
  RSA31949  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along highway just south of Bray Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SEINET10463095  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou Marble Mountains, Skyline Lake Comment
  SEINET10464346  Campanula rotundifolia Alice Eastwood 1912-8-30 Eastwood 2038 Siskiyou Mount Eddy Comment
  UCD66987  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  SEINET10463372  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou SLOPES AND TOP OF MT. EDDY Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  SEINET10463573  Campanula scouleri Clifton 1978-7-30 CLIFTON 2468 Siskiyou NR WHITE MTN ON SEIAD V. QUAD. NR SEIAD VALLEY EVERGREEN CONIFER FOREST 1737 Comment
  SEINET10463678  Campanula scouleri Brown 1897-6-11 Brown 398 Siskiyou N. SIDE MT. SHASTA 1524 Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  SEINET10463872  Campanula wilkinsiana Lawrence R. Heckard 1967-8-14 Heckard 1731 Siskiyou SECOND PRINGS ON SIDE CANYON ABOVE HORSE CAMP, SW FLANK OF MT. SHASTA 2560 Comment
  SEINET10463882  Campanula wilkinsiana Cooke 1939-8-24 COOKE 11894 Siskiyou COMMON ALONG CREEKS IN SQUAW VALLEY CREEK MEADOWS 2286 Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  CAS-BOT-BC37235  Cardamine bellidifolia R. H. Bolimannsou 1926-7-16 s.n. Siskiyou Mount Shasta. Comment
  RSA237252  Cardamine californica var. integrifolia Frederick W. Oettinger 1969-7-15 1027 Siskiyou Tom Taylor Cabin; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1912 Comment
  POM95832  Cardamine pulcherrima Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  SJSU15088  Carduus pycnocephalus subsp. pycnocephalus C. W. Sharsmith 1992-9-17 9246 Siskiyou Lower Klamath Lake, 3-4 mi E of Highway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  CAS-BOT-BC19768  Carex abrupta John Thomas Howell 1937-7-24 13428 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CHSC40178  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou East-facing sloping seep below the Poker Flat/Twin Valley Trail. 1584 Comment
  UC1100434  Carex athrostachya Malcolm A. Nobs, Calvin McMillan 1949-6-17 806 Siskiyou Grass Lake, Hwy 97 Comment
  HSC37157  Carex bolanderi J. O. Sawyer 1969-7-23 1443 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC76801  Carex bolanderi L. P. Janeway 1982-7-9 50 Siskiyou Along Hwy. 96, just S of Wilson Creek 335 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CHSC38999  Carex capitata J. D. Jokerst 1983-7-5 1823 Siskiyou Upper margins of the wet meadow of Atkin's Meadow in its NE corner. Comment
  SEINET7556577 Image available Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC93515  Carex fracta Barbara L. Wilson; Richard Brainerd 2003-6-18 10928 Siskiyou Road 48N20 between Seiad Valley and Cook and Green Pass; Klamath National Forest. Cutbank. 1158 Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  JEPS63657  Carex fracta B. C. Goldsmith 1916-10-10 38 Siskiyou Willow Creek, Mount Shasta Comment
  UC803884  Carex geyeri G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4019 Siskiyou 10 mi w Weed (above Stewart Springs); Park's Creek 1219 Comment
  HSC89763  Carex halliana D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Sep 21 2012
  RSA530123  Carex halliana D. W. Taylor, Glenn L. Clifton, Stone 1987-8-6 9248 Siskiyou Medicinne Lake, extreme NE portion of county; T43N R3E Sec 10, about 300 NW of USGS guard station on road to Little Mt. Hoffman 2040 Comment
  CAS-BOT-BC28086  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, 1508 Comment
  CHSC82807  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road. 1347 Comment
  JEPS25936  Carex inops subsp. inops B. C. Goldsmith 1916-6-22 2 Siskiyou SE of Mount Shasta, Pilgrim Creek, McCloud Flat. Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  SEINET7562453 Image available Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges. Scott Mountain, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  SEINET10713534  Carex lenticularis var. impressa Annetta M. Carter 1939-8-20 Carter 1461 Siskiyou Forming dense clumps; moist sandy lakeshore, Canadian Zone; northwest side of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 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
  CAS-BOT-BC31621  Carex luzulina var. luzulina John Thomas Howell 1937-7-23 13332 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  RSA237263  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Trail northeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET10711249  Carex mariposana Louis C. Wheeler 1934-8-6 Wheeler 3049 Siskiyou Dry sunny meadow. Bear Ground Gulch off James Canyon. Siskiyou Mts. S32, T48N, R9W. Mt. Diablo Mer. 1676 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC909344  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou ca 1.5 mi e Scott Mt. Road; Carmen Lake 1737 Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  SEINET10711540  Carex nigricans William B. Cooke 1941-9-10 Cooke 16298 Siskiyou Occasional around the springs along the summit trail above Horse Camp, Mt. Shasta. 2515 Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  SEINET10817693  Carex raynoldsii A. Arthur Heller 1922-7-15 Heller 13701 Siskiyou Plentiful in wet soil in the meadowat Medicine Lake, Canadian. 2134 Comment
  CHSC53541  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou At Poker Flat. On SE side of the mdw. 1524 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC60839  Carex rostrata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC76834  Carex rostrata L. P. Janeway 1982-9-3 183 Siskiyou Inlet to Little Carmen Lake 1768 Comment
  HSC76835  Carex rostrata L. P. Janeway 1982-8-21 166 Siskiyou SE facing slope in Twin Valley 1524 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  HSC96567  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 361 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC98362  Carex serratodens Thomas W. Nelson; Jane P. Nelson 1982-7-30 7322 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  UC1265454  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness 2164 Comment
  UC618819  Carex spectabilis J. W. Stacey 1938-9-8 11666 Siskiyou upper portion Squaw Creek Meadows (at Squaw and Panther Creeks and in The South Gate); Mount Shasta Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  SEINET7576412 Image available Carex straminiformis L. P. Janeway 2006-7-3 8776 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  CAS-BOT-BC115838  Carex subfusca Alice Eastwood 1921-7-28 10939 Siskiyou Medicine Lake. Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  HSC101889  Carex utriculata Dana York 2011-9-9 3094 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC39085  Carex vernacula D. H. Norris May 1970 12298 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  HSC76829  Carex vesicaria L. P. Janeway 1982-7-2 38 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UC1540249  Carex whitneyi Dean W. Taylor 1987-6-23 9048 Siskiyou McCloud River drainage 1219 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  POM253596  Cassiope mertensiana subsp. ciliolata C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-11 5395 Siskiyou South shore of Upper Canyon Creek Lake, 11 mi. north of Dedrick, Salmon-Trinity Mts. 2439 Comment
  JEPS83016  Castilleja angustifolia L. R. Heckard 1984-5-15 6159 Siskiyou w of Mt. Shasta (along U.S. Hwy 97, about 7 mi n of junction with Interstate Route 5 in Weed) 1066 Comment
  HSC69366  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-19 3652 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC241141  Castilleja applegatei subsp. pinetorum J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  RSA296405  Castilleja applegatei subsp. pinetorum Lincoln Constance, R. C. Bacigalupi, Joseph P. Tracy 1951-6-16 3452 Siskiyou Along trail ascending Little Grayback from the summit of the Takilma-Happy Camp road. Siskiyou-Del Norte Co. boundary. 1707 Comment
  UC61065  Castilleja applegatei subsp. pinetorum W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  JEPS19005  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1699 Siskiyou 1 mi w Military Pass Rd. (along rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  JEPS76187  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7635 Siskiyou 0.75 mi from Deadfall Meadow to Deadfall Lake; Mt. Eddy 2042 Comment
  SBBG21824  Castilleja arachnoidea D. Myrick 1964-7-25 963 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  HSC59896  Castilleja arachnoidea D. L. Goforth 1979-7-7 235 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  JEPS4512  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  JEPS4513  Castilleja lacera Geo. D. Butler 1909-6-20 932 a Siskiyou near Yreka; Upper Portugese Ditch Comment
  UC673469  Castilleja lacera H. L. Mason 1931-5-9 5871 Siskiyou 3 mi w Weed Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  CAS-BOT-BC254007  Castilleja miniata anonymous 1902-9-12 5201 Siskiyou Sisson Comment
  CAS-BOT-BC254014  Castilleja miniata Alice Eastwood 1921-7-24 10790 Siskiyou Castle Lake Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC254105  Castilleja miniata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC69295  Castilleja miniata Maralyn A. Renner 1980-7-24 1998 Siskiyou Lily Pad Lake 1768 Comment
  JEPS74146  Castilleja miniata J. M. Tucker 1974-7-27 4304 Siskiyou on bank Haypress Creek (Haypress Meadows); Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  SEINET14063111  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek. 1219 Comment
  SEINET3159266  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  UCD123032  Castilleja schizotricha A. H. Murphy 1960-8-9 60 C Siskiyou Klamath National Forest, head of Grider Valley at ridge top. 2072 Comment
  CAS-BOT-BC47940  Ceanothus W. R. Dudley 1901-8-19 s.n. Siskiyou Trail Creek Comment
  CAS-BOT-BC126854  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53421 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  UC585100  Ceanothus cuneatus var. cuneatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1893 Siskiyou ca 2 mi s Yreka 822 Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  SFV5242  Ceanothus integerrimus B. C. Templeton 1957-6-23 7733 Siskiyou Between Callahan and Gazelle. Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  UCSB25037  Ceanothus prostratus Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 mi. southwest of city of Mt. Shasta. 1981 Comment
  SBBG4462  Ceanothus prostratus var. prostratus H. and M. Dearing 1939-7-3 3543 Siskiyou near Weed Comment
  CAS-BOT-BC52170  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 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
  UC870663  Ceanothus thyrsiflorus E. A. Meola 1939-4-22 52 Siskiyou Near Gasquet Comment
  JEPS42166  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou Goosenest Mt. Comment
  SJSU6540  Ceanothus velutinus R. W. Trivelpiece 1973-6-22 154 Siskiyou on trail to Big Duck & Little Duck L, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  CHSC114704  Centaurea virgata var. squarrosa D. B. Joley 1976-6-24 4 Siskiyou Hawkinsville. Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC384967  Cerastium arvense A. A. Heller 1921-7-17 13572 Siskiyou On the south slope of Mt. Eddy 1828 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  UCD77513  Cerastium fontanum subsp. vulgare Robert E. Preston 2001-6-30 1632 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  CAS-BOT-BC207628  Cercis occidentalis John Thomas Howell 1934-7-4 12408 Siskiyou SE corner of Siskiyou Co. Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  UC114149  Cercocarpus betuloides var. macrourus T. S. Brandegee 1887-1 Siskiyou Edgewood Comment
  SEINET6332023  Cercocarpus ledifolius var. intermontanus G. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  CAS-BOT-BC148531  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC276755  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  HSC81987  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4870 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  CAS-BOT-BC276779  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou Fell fields, W side of Mud Creek Canyon, Mount Shasta 3048 Comment
  RSA142692  Chaenactis douglasii var. douglasii Philip A. Munz 1960-8-22 24179 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  HSC68435  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-5 1530 Siskiyou Doe Flat 1220 Comment
  RSA499041  Chamaesyce serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Creek. 671 Comment
  UC229860  Chamaesyce serpyllifolia H. E. Brown Jul 15 1897-Jul 31 1897 541 Siskiyou s side Mount Shasta 1524 Comment
  CAS-BOT-BC68210  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - siskiyou-Del Norte County line. 1868 Comment
  CAS-BOT-BC68250  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South fork of Salmon River, 5 to 9 miles souteast of Cecilville, 1219 Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  POM120359  Cheilanthes gracillima Geo D. Butler 1910-7-12 1754 Siskiyou Shackeford Lake 1372 Comment
  UC922663  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1948-9-8 5600 Siskiyou top of grade between Sawyers Bar and Etna; Siskiyou Mts 1737 Comment
  HSC92340  Chenopodium atrovirens Jennifer Whipple 1977-8-5 2189 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC460987  Chenopodium atrovirens John Thomas Howell 1937-7-22 13316 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CDA23401  Chenopodium rubrum var. rubrum R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC452256  Chimaphila umbellata W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC452262  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  CHSC1407  Chimaphila umbellata M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  SJSU2591  Chimaphila umbellata H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts Comment
  UC1733973  Chimaphila umbellata Kay H. Beach and F. Gould 1940-5-15 Siskiyou Meadows and Goosenest Mountain 1828 Comment
  RSA238333  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 1968-8-7 440 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET6976053  Chimaphila umbellata subsp. occidentalis Unknown 1986-9-13 2156 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction; near Marble Mountain Wilderness. Comment
  HSC67795  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-21 3897 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC68299  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1971-9-16 4765 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  CDA38295  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  UC1161518  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area, headwaters Canyon Creek 1950 Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  CAS-BOT-BC277924  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou 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
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  CAS-BOT-BC278046  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  OBI54105  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23553 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn Rd (hwy 3) Comment
  HSC68040  Cirsium occidentale var. candidissimum J. P. Smith, Steve Selva 1970-6-17 4095 Siskiyou 6 mi. E of Somes Bar 259 Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UC1216711  Cirsium vulgare W. B. and V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway Mt. Shasta, Memorial Highway 1219 Comment
  UC61663  Cirsium vulgare Geo. B. Grant 1902-9-1 5224 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  JEPS43545  Clarkia amoena subsp. huntiana Willis L. Jepson July 1894 14371 Siskiyou Sissons Mt. Shasta Comment
  HSC43856  Clarkia gracilis Maralyn O'Meara 1974-5-25 376 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC46175  Clarkia gracilis subsp. gracilis Jennifer Whipple 1978-6-5 2328 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA47808  Clarkia gracilis subsp. gracilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA52146  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  HSC42940  Clarkia rhomboidea J. O. Sawyer, Ken Stillman 1976-7-1 2775 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC64512  Clarkia rhomboidea J. P. Smith, J. O. Sawyer 1972-6-30 5637 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC46174  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2348 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UCD100501  Claytonia cordifolia J. P. Smith; Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  RSA120757  Claytonia lanceolata S. S. Tillett 1956-7-9 664 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  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
  CDA23962  Claytonia rubra subsp. depressa Vernon H. Oswald & Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  CHSC88107  Claytonia rubra subsp. depressa Jenny Marr 1993-7-1 117 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CHSC34843  Claytonia rubra subsp. rubra M. S. Taylor 1980-6-20 2940 Siskiyou On both sides of Military Pass Rd, among the sagebrush, ca. 4 mi s of Klamath Falls Hwy, ne of Mt. Shasta. Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC443826  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Old Mining Dump, Oro Fino Comment
  CAS-BOT-BC451758  Claytonia serpenticola Harley P. Chandler 1901-6-1 1690 Siskiyou North Coast Ranges. Marble Mountain 2286 Comment
  HSC23687  Claytonia sibirica J. O. Sawyer 1971-7-15 2424 Siskiyou Along Red Rock Valley Creek 1585 Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  HSC20614  Collinsia parviflora R. C. Wunner 1965-6-6 81 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  JEPS84023  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Rd from Takilma to Happy Camp, just s of state line between Takilma and Happy Camp 1420 Comment
  HSC37522  Collomia grandiflora J. P. Smith 1974-5-25 7415 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1409298  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou slope in draw below Tobacco Lake (high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  CHSC72222  Conium maculatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9644 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  SEINET516295  Conium maculatum Vernon H. Oswald 1998-9-16 9644 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi E of Hwy. 97. 1244 Comment
  UC1282020  Convolvulus arvensis Louise Kellogg Aug 8 1953-Aug 9 1953 118 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  HSC493  Corallorhiza mertensiana William J. Ferlatte 1967-7-9 676 Siskiyou Along South Fork of the Salmon River between the campground and Carter's 1524 Comment
  JEPS85955  Cordylanthus tenuis subsp. viscidus Don Burk 1990-8-18 Siskiyou 0.3 mi below Gumboot Creek crossing (both sides of rd 40N26); The Eddy's 1706 Comment
  UCD123184  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road. 996 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  JEPS7047  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-13 4795 Siskiyou on road from Callahan to Carrville (1.2 mi above (and s of) junction with Gazelle road, lower part of grade over Scott Mt.) 1097 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  HSC23694  Cornus canadensis J. O. Sawyer 1969-8-5 1788 Siskiyou Along Sugar Creek. 1921 Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  RSA120634  Cornus glabrata G. D. Barbe 1955-6-28 016 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC212057  Cornus nuttallii L. B. Kildale 1930-6-1 9824 Siskiyou Etna Mills Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  POM78081  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  SEINET3105180  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  POM208197  Crataegus suksdorfii Louis C. Wheeler 1934-6-27 2804 Siskiyou Siskiyou Mountains : Cottonwood Creek. 884 Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC165398  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  HSC2329  Crepis intermedia Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CDA4447  Crepis occidentalis J. Grisham 1958-5-14 399 -58 Siskiyou W. H. Gamble property, Yreka. 0 Comment
  CAS-BOT-BC290738  Crepis occidentalis subsp. conjuncta Harley P. Chandler 1901-6-1 1644 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CAS-BOT-BC290837  Crepis occidentalis subsp. pumila Alice Eastwood; John Thomas Howell 1936-6-13 2753 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  HSC39807  Cryptantha affinis J. O. Sawyer 1969-7-18 1407 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1540244  Cryptantha affinis Dean W. Taylor 1987-6-26 9074 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  SDSU20238  Cryptantha subretusa Ronald B. Kelley 2005-9-5 962 Siskiyou On south-southwest facing slope of Mt. Eddy on unofficial peak trail, on upslope side of trail. 2560 Comment
  UC564180  Cryptantha subretusa Elmer I. Applegate 1935-6-10 9486 Siskiyou s side Caldwell Butte (s Siskiyou County); Lava Beds National Monument Comment
  JEPS67869  Cryptantha torreyana Ira J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  POM72235  Cryptantha torreyana Edward Palmer 2517 Siskiyou Mount Shasta and vicinity. Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  RSA22767  Cupressus bakeri O. V. Matthews 1939-7-11 31 Siskiyou Seiad Grove - Seiad Region, west side of mining company trail along ridge above cook house 915 Comment
  SEINET10531421 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2130 Siskiyou Siskiyou Mts. above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock/ 1160 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  UCR247492  Cynoglossum officinale Ashley Knight 2012-7-16 s.n. Siskiyou Shasta/Trinity National Forest, slightly west of Slagger Camp Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  HSC58994  Cypripedium californicum G. L. Clifton 1975-7-28 5360 Siskiyou Near Elk Meadow, close to the town of Seiad Valley 1634 Comment
  UC727006  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou near Wagon Creek Falls Comment
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Jun 24 2013
  HSC39936  Cypripedium montanum J. O. Sawyer 1970-6-17 2201 Siskiyou N slopes of Eaton Peak 1524 Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC61803  Cystopteris fragilis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC58388  Danthonia californica Butler 1971-8-11 286 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction. 2073 Comment
  HSC82384  Danthonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4538 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD37076  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UCD61032  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  UC1265437  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (upper meadow, w Siskiyou Co., high lake basins in vicinity of English Peak) 1889 Comment
  SEINET10598329  Danthonia intermedia A. Arthur Heller 1915-7-18 Heller 12113 Siskiyou Metcalf's Ranch, NE base of Mount Eddy, in moist open places in the forest. The original growth of Jeffrey Pine has been succeeded by Douglas Fir. 1250 Comment
  CAS-BOT-BC76230  Darlingtonia californica Doris K. Kildale 1929-8-25 9019 Siskiyou Near Youngs Valley on trail to Preston Peak. 1524 Comment
  RSA624980  Darlingtonia californica Louis C. Wheeler 1963-8-25 8267 Siskiyou South slope of Preston Peak: Near Rattlesnake Meadow. 1585 Comment
  UC1483489  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1066 Comment
  UC246708  Darlingtonia californica H. E. Brown Jun 11 1897-Jun 16 1897 389 Siskiyou north side Mt. Shasta 1524 Comment
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Nov 6 2019
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 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
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC420670  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou On the Klamath River at the mouth of the Crawford Creek Comment
  RSA30642  Darmera peltata Lincoln Constance, R. C. Rollins 1942-5-13 s.n. Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  SEINET10904063  Darmera peltata Mary Merello 1993-6-25 Merello 721 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CAS-BOT-BC141829  Dasiphora fruticosa John Thomas Howell 1939-8-8 15172 Siskiyou Black Mt., Marble Mts. Comment
  RSA15800  Datura stramonium Carl B. Wolf 1927-8-26 1051 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  RSA59807  Delphinium andersonii E. K. Balls 1950-5-17 14724 Siskiyou New Lava Flow, on road from Schonchin Butte to Campt. Jack's Stronghold, Lava Bed National. 1494 Comment
  UC1037373  Delphinium decorum subsp. tracyi Douglas Barbe 1955-7-6 134 Siskiyou ne shore Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC8754  Delphinium glaucum J. H. Thomas; H. A. Thomas 1954-7-25 4537 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville 1981 Comment
  JEPS23312  Delphinium glaucum Geo. D. Butler 1908-6-1 353 Siskiyou Whiskey Camp Marble Mountains, Independence Creek (w slope of mts) 1676 Comment
  SBBG27184  Delphinium nudicaule L. C. Wheeler 1935-5-26 3532 Siskiyou Yreka Crk 914 Comment
  UC467721  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-27 195 Siskiyou Wildcat Pk. Comment
  HSC43376  Delphinium nuttallianum Maralyn O'Meara 1974-5-26 455 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UCD61373  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  UCD62957  Deschampsia danthonioides Robert E. Preston 2002-6-20 1852 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  RSA757370  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  POM369568  Descurainia incana subsp. viscosa M. B. Dunkle 1944-7-7 9081 Siskiyou Deer Creek 1768 Comment
  JEPS107384  Descurainia incisa subsp. filipes Lowell Ahart, John Dittes 2005-6-10 12062 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
  HSC76699  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 217 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  HSC6727  Descurainia sophia R. C. Wunner 1965-7-7 343 Siskiyou California Lava Beds National Monument, near N Prefab, Indian Well 1433 Comment
  UCD114790  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  UCD114223  Dicentra formosa subsp. formosa Dean William Taylor 1972-7-4 1595 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  POM186944  Dicentra formosa subsp. formosa Marcus E. Jones 1931-7-17 28940 Siskiyou Shasta City (Session's). Comment
  CAS-BOT-BC253634  Dichanthelium acuminatum subsp. acuminatum Doris K. Kildale 1928-8-18 6473 Siskiyou Near head of N fork of Salmon River at Finbey's Upper Camp 1828 Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC500904  Dichelostemma capitatum Mrs. H. C. Cantelow 1936-5-21 1329 Siskiyou North slope Scott Mountain above Callahan 1127 Comment
  CAS-BOT-BC500906  Dichelostemma capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley 1066 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC43036  Dichelostemma multiflorum J. O. Sawyer, Ken Stillman 1976-7-2 2809 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC375190  Dichelostemma multiflorum Geo. D. Butler 1909-5-15 789 Siskiyou Shasta Rim hills Shasta Rim Comment
  CAS-BOT-BC500998  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  HSC44875  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-16 4022 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS40709  Dieteria canescens var. shastensis W. L. Jepson 1940-7-1 20082 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC29894  Dieteria canescens var. shastensis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson, Mount Shasta Mount Shasta Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  UCSB63902  Dieteria canescens var. shastensis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56)3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect.6 1755 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road 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-BC153733  Diplacus nanus Peter H. Raven 1956-9-4 10412 Siskiyou On south side of Mt. Eddy 2682 Comment
  CAS-BOT-BC153737  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou U. S. Highway 97, 8.3 miles north of Weed Comment
  SEINET8250644  Diplacus nanus J. M. Tucker 1963-7-7 3724 Siskiyou in vicinity of Pradise Lake, at the base of Kings Castle on the east side, MArble Mountain Wilderness Area. 1981 Comment
  CDA6685  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  CHSC91248  Distichlis spicata Lowell Ahart; John Dittes 2005-6-9 12004 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
  HSC9646  Distichlis spicata R. C. Wunner 1965-7-4 339 Siskiyou Lava Beds National Monument: E side of Petroglyphs, near old shoreline of Tule Lake. 1220 Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC61802  Dodecatheon jeffreyi Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  UC1409474  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou at Base Camp Meadow between Diamond and Hancock Lakes (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA60640  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  HSC90898  Draba carnosula Jennifer Whipple 1977-8-5 2194 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC41304  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. 1889 Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC159439  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  SBBG30527  Drymocallis glandulosa var. glandulosa D. Myrick 1968-6-25 2019 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC29648  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-22 598 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Diamond Lake 2165 Comment
  HSC132  Drymocallis lactea var. lactea William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin 1982 Comment
  UC637037  Echinochloa crus-galli Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse Creeks; Klamath River, South bank 609 Comment
  SD76185  Echinochloa muricata Helen V. Witham 1969-10-7 571 Siskiyou 10 miles west of Fort Jones, Scott River 700 Comment
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  HSC91313  Eleocharis suksdorfiana Jennifer Whipple 1978-10-6 2433 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  CAS-BOT-BC221831  Elymus canadensis Alice Eastwood 1921-7-28 10949 Siskiyou Medicine Lake Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  JEPS57188  Elymus elymoides subsp. elymoides L. R. Heckard 1967-8-13 1686 Siskiyou Mt. Eddy; scree slopes near summit 2743 Comment
  UC1265446  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou at junction of trail to English Peak and trail to Uncle's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC51628  Elymus glaucus Marvin Butler 1971-8-11 287 Siskiyou Near Marv's Meadow, close to the town of Cave Junction 2073 Comment
  JEPS70717  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  SEINET3379090  Elymus multisetus G. D. Butler 1910-1 1412 Siskiyou Yreka. Comment
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC69346  Elymus trachycaulus subsp. trachycaulus Maralyn A. Renner 1980-8-21 2543 Siskiyou Kidd Creek 2043 Comment
  CHSC93530  Elytrigia intermedia subsp. barbulata Lowell Ahart; John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  HSC30616  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along trail between Yellow Dog Creek and Abbott's Lower Cabin, Salmon Mtns. Comment
  HSC77233  Epilobium brachycarpum L. P. Janeway 1983-8-13 536 Siskiyou Along Rd. 17N32 (the S Fork Indian Creek Rd.) 12 mi. from Indian Creek Rd. 976 Comment
  CHSC106268  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC422939  Epilobium ciliatum subsp. ciliatum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM259017  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15324 Siskiyou Along Castle Lake road near the Brown-Shasta Ranch 1067 Comment
  POM248154  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-8-22 13881 Siskiyou Mount Shasta: along the large Wagon Camp Creek. 1738 Comment
  RSA184734  Epilobium ciliatum subsp. glandulosum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  JEPS38189  Epilobium densiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14391 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC618827  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs Mount Shasta Comment
  RSA258625  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15285 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  POM171593  Epilobium hallianum Doris K. Kildale 1929-7-20 8609 Siskiyou Southeast slope of Preston Peak 1951 Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  UCD80893  Epilobium hallianum Robert E. Preston 2001-7-21 1721 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mtn. 2066 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  HSC49637  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River Comment
  RSA120896  Epilobium minutum Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  SEINET10632309  Epilobium oreganum Willis L. Jepson 1914-8-14 Jepson 6162 Siskiyou Dunsmuir 780 Comment
  CAS-BOT-BC56953  Equisetum arvense Barbe 1957-7-13 373 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  SEINET192292 Image available Equisetum hyemale W. B. Cooke 1941-8-28 16227 Siskiyou Near the Big Squaw Valley Creek spring above McCloud Mt Shasta 1464 Comment
  JEPS68261  Equisetum laevigatum L. R. Heckard 1972-5-31 2934 Siskiyou se Montague (along road at Shasta River R.R. Bridge) 822 Comment
  UC1045285  Equisetum laevigatum W. Bridge Cooke 1940-6-7 15088 Siskiyou just n Mts. Shasta city (along US 99) Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC168327  Eremogone congesta var. congesta Doris K. Kildale 1928-7-4 5483 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  CAS-BOT-BC481931  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC481933  Eremogone congesta var. crassula Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads 1371 Comment
  CAS-BOT-BC286709  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake Lookout station, Doggett Ridge, Siskiyou Mountains 1828 Comment
  CHSC30758  Ericameria bloomeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  SBBG21796  Ericameria bloomeri D. Myrick 1964-7-25 961 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  CAS-BOT-BC286712  Ericameria bloomeri W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Rush Creek Grade, Salmon Mts. Comment
  POM211809  Ericameria greenei L. C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC294308  Ericameria nauseosa var. speciosa Alice Eastwood 1912-8-28 1938 Siskiyou Cantara Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  HSC29198  Ericameria nauseosa var. speciosa Frederick W. Oettinger 1968-8-16 533 Siskiyou Marble Mtn. Wilderness Area: Near summit of 'Little Medicine Mtn.' (N of Hancock Lake) 2104 Comment
  JEPS82416  Ericameria nauseosa var. speciosa Gilbert Muth 1966-8-7 503 Siskiyou Lookout Trail, Ridge Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC294309  Ericameria nauseosa var. speciosa W. R. Dudley 1901-8-25 s.n. Siskiyou Top of divide, Salmon to Scotts Creek, Salmon Mts. Comment
  UC303534  Ericameria parryi var. latior unknown 1903-9-9 5152 Siskiyou Sisson Comment
  CAS-BOT-BC293501  Erigeron aliceae Doris K. Kildale 1928-8-19 6577 a Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  UC917225  Erigeron aliceae R. Tofsrud and J. M. Tucker 1948-8-3 1782 Siskiyou summit of Happy Camp - Waldo (Oregon) road (on Del Norte-Siskiyou County line) 1554 Comment
  CAS-BOT-BC294495  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-4 15052 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC294502  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  HSC61967  Erigeron cervinus Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 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-BC296124  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  RSA238781  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-16 534 Siskiyou Slope of 'Little Medicine Mountain,' N of Hancock Lake; near summit. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2104 Comment
  OBI80360  Erigeron glacialis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  UC896067  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC295393  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  JEPS41427  Erigeron inornatus var. inornatus Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Mt. Shasta, Toad Mountain Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  RSA0030731  Erigeron inornatus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC295814  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC295816  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  HSC65019  Erigeron petrophilus var. viscidulus D. L. Goforth 1979-7-19 260 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  UC1190269  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake Salmon-Trnity Alps Primitive Area, Caribou Lake 2042 Comment
  UC895898  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  HSC44483  Erigeron philadelphicus K. Irwin 1977-5-22 396 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat 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
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  HSC74932  Eriogonum compositum J. P. Smith, Jennifer Whipple 1978-7-2 9973 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC42997  Eriogonum compositum var. compositum J. P. Smith, Steve Selva 1970-6-15 3950 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC43398  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 156 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS57046  Eriogonum compositum var. compositum Geo. D. Butler 1908-8-6 201 Siskiyou Whiskey Camp Marble Mt. region, Independence Creek 1676 Comment
  CAS-BOT-BC250069  Eriogonum compositum var. compositum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft Rock Mt., Hilt Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CAS-BOT-BC33564  Eriogonum diclinum Louis Cutter Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mts., Jaynes Canyon. 1950 Comment
  HSC43407  Eriogonum diclinum K. T. Stillman 1976-6-27 149 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  CAS-BOT-BC255730  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Marble Mts., Klamath Nat'l Forest 1828 Comment
  RSA393293  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  UC1408822  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou ridge between English Peak Diamond Lake; Salmon Mountains, Marble Mountains Wilderness Area, High Lak 2072 Comment
  CAS-BOT-BC263666  Eriogonum luteolum var. luteolum Alice Eastwood 1922-10-23 11550 Siskiyou Yreka Comment
  CAS-BOT-BC263664  Eriogonum luteolum var. luteolum Ella Dales Cantelow 1938-10-23 2380 Siskiyou 16 mi. N W of Yreka, Hy. #96 Klamath River Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  SDSU6757  Eriogonum marifolium D. F. Howe 1962-8-6 3406 Siskiyou Mt Shasta, Shasta National Forest. 2438 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  CHSC110786  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
  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
  CAS-BOT-BC267391  Eriogonum marifolium var. marifolium Wm. H. Brewer 1862-9-13 s.n. Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC267393  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  HSC75192  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 380 Siskiyou Marble Mtn. Wilderness Area 2195 Comment
  HSC75193  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 358 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  CHSC70473  Eriogonum nudum var. pubiflorum A. Sanger 1996-7-16 2421 Siskiyou Med Lk Highlands, dead end road, 1/2 mi E-Glass Mtn. 1524 Comment
  HSC17318  Eriogonum nudum var. pubiflorum Jerry Parker 1968-10-6 124 Siskiyou Scott Mtn. Rd. Comment
  RSA50182  Eriogonum nudum var. pubiflorum E. K. Balls 1949-7-8 13925 Siskiyou Etna Public Camp, southern Siskiyou County 851 Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  SD75847  Eriogonum nudum var. pubiflorum Darley F. Howe 1969-8-8 4673 Siskiyou 4.2 miles south of Yreka 822 Comment
  CAS-BOT-BC105071  Eriogonum pyrolifolium R. C. Wenk 2008-7-24 911 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  RSA202123  Eriogonum pyrolifolium var. pyrolifolium C. F. Lagace 1966-8-24 s.n. Siskiyou Mount Shasta Ski Lodge. 2409 Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CHSC71594  Eriogonum siskiyouense Vernon H. Oswald; Lowell Ahart 1998-8-3 9406 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside opening. 1524 Comment
  NY323542  Eriogonum siskiyouense E. L. Greene 1876-8-1 1002 Siskiyou On Scott Mountain 2438.4 Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  JEPS84304  Eriogonum ternatum L. R. Heckard with J. Hickman et al. 1986-7-17 6476 Siskiyou s Lily Pad Lake (trail up Kangaroo Peak; ca. 5 mi n of the town of Seiad Valley); Kangaroo Peak 1800 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  SEINET9292778  Eriogonum umbellatum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  HSC43411  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-17 266 Siskiyou Marble Mtn. Wilderness Area, ridge above Elk Valley on W side 1951 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  CAS-BOT-BC267794  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  HSC19518  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-7-25 1547 Siskiyou W of High Lake 2256 Comment
  CHSC96140  Eriogonum umbellatum var. modocense L. P. Janeway 2006-7-3 8770 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC912832  Eriogonum vimineum Lewis S. Rose 1941-8-28 41429 Siskiyou Macdoel 1219 Comment
  CAS-BOT-BC262379  Eriogonum vimineum Frank W. Peirson 1923-7-19 3708 Siskiyou Road crossing of Whiney Creek, west base of Mt. Shasta Comment
  POM267114B  Eriogonum vimineum L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  HSC69054  Eriophorum crinigerum Maralyn A. Renner 1980-8-6 2312 Siskiyou Cracker Meadow 1555 Comment
  HSC96547  Eriophorum crinigerum Gordon Leppig 1998-7-10 908 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC195247  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-6 115 Siskiyou Gazelle Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  SBBG111919  Eriophyllum lanatum var. achilleoides C. Bornstein 1996-6-29 Siskiyou Scott Valley Overlook Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  HSC101097  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  UC117673  Erysimum capitatum Mrs. R. M. Austin June 1894 Siskiyou Willow Creek Valley Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  UCD115071  Erysimum perenne J. M. Tucker 1963-7-7 3717 Siskiyou in vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CHSC86451  Erythranthe guttata Jenny Marr 1993-7-1 68 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC389661  Erythranthe linearifolia Andrew Townesmith; Karen M. Meyer 2007-8-1 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  HSC16751  Eschscholzia californica R. C. Wunner 1965-6-15 192 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  POM87489  Euphorbia crenulata Geo D. Butler 1910-4-22 1220 Siskiyou Kidder Creek Comment
  RSA70536  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  CAS-BOT-BC413903  Fallopia convolvulus Henry M. Pollard 1947-8-20 s.n. Siskiyou Spink's Ranch, Roger's Creek, nr. Somes Bar Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  HSC39752  Festuca arundinacea J. O. Sawyer 1969-8-1 1617 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC76960  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA239118  Festuca idahoensis Frederick W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC593516  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1962 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CAS-BOT-BC279070  Festuca rubra L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  UCD66431  Festuca subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3440 Siskiyou Near Happy Camp above the Klamath River. Comment
  CAS-BOT-BC457571  Fragaria vesca subsp. californica Clarence R. Quick 1959-6-19 59 - 21 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC100316  Frangula californica subsp. californica J. P. Smith, J. O. Sawyer 2011-7-21 13027 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC55716  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC223582  Fraxinus latifolia Laura M. Lathrop 1903-7-1 s.n. Siskiyou Shasta Retreat Comment
  HSC16194  Fraxinus latifolia L. C. Wheeler 1934-9-15 3262 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  UC909365  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou 0.3 mi w of Carmen Lake 1706 Comment
  JEPS55701  Fritillaria pudica D. Parker 1967-3-26 Siskiyou e. side of Scott Valley ca. halfway between Etna and Fort Jones; Scott Valley 914 Comment
  CDA39330  Fritillaria recurva T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC77387  Galium ambiguum subsp. siskiyouense L. P. Janeway 1983-6-25 325 Siskiyou Just E of West Branch USFS station 671 Comment
  RSA238530  Galium bifolium Frederick W. Oettinger 1968-8-18 580 Siskiyou Due N of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  HSC60825  Galium triflorum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC67608  Galium triflorum J. P. Smith, Steve Selva 1970-7-16 4397 Siskiyou Blue Mtn. Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  RSA238875  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Along the trail on the E side of Hancock Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  JEPS51840  Garrya buxifolia Geo. D. Butler 1908-8-5 40 Siskiyou Wooley Creek; Marble Mts. 1645 Comment
  CAS-BOT-BC182154  Garrya fremontii Baki Kasapligil 1981-7-26 6189 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
  CAS-BOT-BC182156  Garrya fremontii Doris K. Kildale 1928-7-2 5352 Siskiyou Salmon Summit nr [?] Creek trail 1981 Comment
  CAS-BOT-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  UC876009  Garrya fremontii unknown 1941-6-11 16031 Siskiyou along Castle Lake Road Comment
  UCD35434  Garrya fremontii Beecher Crampton 1956-8-21 3835 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  HSC69089  Gaultheria ovatifolia Maralyn A. Renner 1980-8-6 2320 Siskiyou Cracker Meadow 1555 Comment
  RSA597979  Gaultheria ovatifolia L. C. Wheeler 1963-8-29 8302 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1341 Comment
  RSA237853  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  UCD18944  Gayophytum ramosissimum A. H. Murphy 1956-8-14 56 E Siskiyou Klamath National Forest, Little Mill Creek Meadows. 2011 Comment
  UC1045243  Gentianopsis simplex W. Bridge Cooke 1940-8-5 15412 Siskiyou Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC459620  Geum macrophyllum Wm. Bridge Cooke 1939-7-7 13592 Siskiyou Frequent in the meadow at Bear Springs. Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 Comment
  HSC30425  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: Red Hill N of Hancock Lake 1997 Comment
  UCSB7931  Gilia capitata subsp. capitata Hardham, Clare 1965-8-20 Siskiyou Cudahy Lakes; on the Granite Trail; Marble Mountains 1219 Comment
  JEPS118216  Glyceria elata Dean W. Taylor 2004-7-19 19189 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  JEPS83992  Glyceria elata L. R. Heckard with J. Hickman 1986-7-16 6446 Siskiyou 5 mi n Seiad Valley (town) (Lily Pad Lake, se of Red Butte); Lily Pad Lake 1770 Comment
  RSA603021  Glyceria leptostachya L. C. Wheeler 1935-7-13 3663 Siskiyou Ager. 793 Comment
  UC1265401  Glyceria striata F. W. Oettinger 1969-9-4 1403 Siskiyou English Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  CAS-BOT-BC302672  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  CAS-BOT-BC303202  Gnaphalium palustre Copeland 1903-10-5 3840 Siskiyou Igerma Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  RSA675587  Grindelia camporum F. R. Schallert 1953-8-10 3131 Siskiyou Below Mt. Shasta. Comment
  SD51276  Grindelia nana Darley F. Howe 1961-8-3 3178 Siskiyou 26.5 miles east of Highway #99 on Highway 89 Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  UC1186477  Hackelia bella John H. Weiler, A. P. Nelson 1960-6-26 60221 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  CDA40631  Hackelia californica J. R. Grisham & D. H. Shaw 1978-6-17 s.n. Siskiyou Old Stage Road, south of Mount Shasta City. 0 Comment
  CHSC36143  Hackelia cusickii K. Bridwell 1978-7-6 167 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 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
  SBBG124765  Hackelia micrantha C. B. Hardham 1961-7-1 8031 Siskiyou near Mud Springs, Siskiyou Mtns Comment
  UC922496  Hastingsia alba Annie M. Alexander and Louise Kellogg 1949-7-23 5855 Siskiyou start of trail to Bear Lake (Marble Mountains, Paradise Lake); Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC504624  Hastingsia alba Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC19549  Hastingsia serpentinicola J. O. Sawyer 1969-7-24 1505 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC19550  Hastingsia serpentinicola J. O. Sawyer 1969-6-10 797 Siskiyou S face near Sugar Lake 1829 Comment
  JEPS84247  Hastingsia serpentinicola L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6362 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  CAS-BOT-BC383119  Helenium bigelovii Andrew Townesmith; Karen M. Meyer 2007-7-28 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26) 1441 Comment
  HSC69055  Helenium bigelovii Maralyn A. Renner 1980-8-6 2313 Siskiyou Cracker Meadow 1555 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
  CAS-BOT-BC306745  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River) Comment
  RSA126340  Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 887 Comment
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UCD132732  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River). Comment
  RSA275411  Helianthella californica var. californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC314837  Helianthella californica var. shastensis Alice Eastwood 1912-7-17 1170 Siskiyou Sisson Comment
  JEPS24806  Helianthus bolanderi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6815 Siskiyou about 13 mi w Gazelle (just w of summit of grade on road between Gazelle and Callahan (Gazelle Mtn. summit); Gazelle Mtn. 1371 Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  HSC68505  Hemizonella minima Maralyn A. Renner 1980-6-22 921 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  UC165251  Hemizonella minima Geo. D. Butler 1909-4-25 620 Siskiyou Quartz Valley Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  HSC69333  Heracleum maximum John S. Palmer 1980-8-13 761 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC909353  Hesperochiron californicus Ira L. Wiggins 1950-5-28 12388 Siskiyou 0.3 mi. w. Carmen Lake 1706 Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  HSC78308  Heterocodon rariflorum L. P. Janeway 1983-7-31 476 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  JEPS78486  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  CAS-BOT-BC312301  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim 2072 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC420735  Heuchera merriamii Gilbert Muth 1966-1-1 308 Siskiyou Marble Mts. Comment
  HSC64677  Heuchera merriamii J. O. Sawyer 1977-7-6 3036 Siskiyou Behind S Sugar Lake 1982 Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  SEINET12215277  Heuchera micrantha M. Ownbey, Meyer, F. G. 1940-1 2175 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  RSA0063199  Heuchera micrantha var. micrantha Frederick W. Oettinger 1969-9-4 1664 Siskiyou S side of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtns Wilderness Area. 1829 Comment
  CAS-BOT-BC319698  Hieracium albiflorum John Thomas Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  HSC22257  Hieracium albiflorum J. O. Sawyer 1968-7-10 490 Siskiyou 1768 Comment
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  RSA238800  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou Ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316016  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  RSA211206  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mountain. 2470 Comment
  RSA238752  Hieracium scouleri Frederick W. Oettinger 1969-8-6 1257 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1409289  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake; Marble Mountain Wilderness Area. 1798 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC22097  Holodiscus discolor J. O. Sawyer 1969-8-5 1949 Siskiyou Along S Sugar Creek 1921 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  HSC62599  Holodiscus discolor Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. 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
  CHSC98912  Holodiscus microphyllus var. glabrescens L. P. Janeway; B. Castro 2007-7-28 9131 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along Road 44N53 0.6 km north of Cinder Butte. 1731 Comment
  JEPS95091  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  SEINET515853  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 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
  JEPS82693  Horkelia daucifolia Wayne Roderick 1984-6-6 Siskiyou about 5 mi s Gazelle 1021 Comment
  RSA14934  Horkelia daucifolia J. T. Howell 1934-4-20 1752 Siskiyou Near Yreka on Fort Jones Road Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  UCSB12103  Horkelia daucifolia Breedlove, Dennis 1962-6-11 Siskiyou Along Scott River, 0.5 mile south of Scott Bar 548 Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  UC453995  Horkelia fusca subsp. parviflora I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UC481096  Horkelia fusca subsp. parviflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  POM35294  Horkelia fusca subsp. parviflora E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  SBBG2952  Horkelia fusca var. parviflora H. and M. Dearing 1939-6-5 3546 Siskiyou McCloud 1066 Comment
  CAS-BOT-BC536224  Horkelia fusca var. parviflora Ella Dales Cantelow 1939-6-10 2587 Siskiyou 17.6 miles SE of McCloud on road to Burney Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SBBG115868  Horkelia fusca var. parviflora R. E. Preston 2001-7-21 1701 Siskiyou near S end of Antelope Crk Meadow 1633 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-BC514289  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
  SD125937  Horkelia tridentata Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  RSA507457  Horkelia tridentata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  HSC12274  Horkelia tridentata var. tridentata Richard Spjut 1970-7-18 469 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  CAS-BOT-BC539432  Horkelia tridentata var. tridentata Alice Eastwood 1922-10-18 11518 Siskiyou Shasta Springs Comment
  JEPS26586  Hulsea nana Peter Kamb 1949-8-25 1496 Siskiyou above Horse Camp (sw slope of mountain); Mt. Shasta 3169 Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  CHSC96087  Hydrophyllum occidentale L. P. Janeway 2006-7-3 8759 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  JEPS1649  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley; w Siskiyou County Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  UC1034644  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  CAS-BOT-BC400988  Hypericum anagalloides John Thomas Howell 1939-8-5 15083 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  CAS-BOT-BC401358  Hypericum scouleri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC15969  Iliamna bakeri R. C. Wunner 1965-8-14 432 Siskiyou Lava Beds National Monument. At junction of Tichner Rd. and road to Hwy. 139 1311 Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  CHSC71588  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9455 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  JEPS95608  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and L. Ahart 1994-8-10 6463 Siskiyou T40N R3W center Sec. 16, 5200 ft, Montane Chaparral. FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud 1584 Comment
  POM253588  Ipomopsis congesta C. L. Hitchcock, J. S. Martin 1939-7-9 5306 Siskiyou North side of Black Mt. near Marble Mt. (King's Castle) 2073 Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  UC127335  Iris missouriensis H. M. Hall and E. B. Babcock 1903-6-18 4140 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA135892  Iris missouriensis Lee W. Lenz 1953-5-15 18306 Siskiyou 1 mile from Fort Jones, road to Etna 838 Comment
  HSC63122  Iris tenax subsp. klamathensis M. A. Baker 1979-5-17 725 Siskiyou Along FS Rd. 15N01, 13 mi. from Hwy. 96 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  JEPS93950  Iva axillaris subsp. robustior Vernon H. Oswald and Lowell Ahart 1998-9-16 9631 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS82414  Juncus Al Hobart 1970-8-6 1079 Siskiyou Preston Peak 1828 Comment
  RSA15458  Juncus bolanderi Carl B. Wolf 1927-8-26 1096 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  HSC30699  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou Marble Mtn. Wilderness Area, N shore of Uncle's Lake 1845 Comment
  JEPS81651  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  RSA238898  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-24 1520 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  CDA33214  Juncus howellii William J. Ferlatte 1987-7-7 2109 Siskiyou USFS Road 31, 1.6 miles east of McCloud River Railroad; Bear Springs area, near Mt. Shasta. 0 Comment
  CHSC96691  Juncus mertensianus Gordon Leppig; Jennifer Kalt 1996-7-9 355 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  UCD141624  Juncus nevadensis Jack Major 1961-7-14 641 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  UCD141629  Juncus nevadensis J. M. Tucker 1950-7-23 1943 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  HSC67680  Juncus orthophyllus John S. Palmer 1980-7-24 621 Siskiyou Elk Hole 1503 Comment
  JEPS84033  Juncus orthophyllus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6383 Siskiyou ca 1.5 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CHSC98758  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9144 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UCD77271  Juncus parryi Robert E. Preston 2001-6-23 1580 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC81132  Juniperus communis G. A. Coleman 1901-8-16 s.n. Siskiyou near head of Paulters Creek 2514 Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  UC726032  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  CHSC9488  Kelloggia galioides J. F. Goodwin 1971-7-3 138 Siskiyou 7.7 mi south of Mt. Shasta Ski Bowl area. 1584 Comment
  HSC67645  Kelloggia galioides J. P. Smith, Steve Selva 1970-7-17 4473 Siskiyou Below Kangaroo Lake. 1890 Comment
  POM67567  Kelloggia galioides Edward Palmer 1892-7-13 2504 Siskiyou Mt. Shasta and vicinity. Comment
  UC138607  Kelloggia galioides Dr. E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta Comment
  UC164058  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC340402  Lactuca Alice Eastwood 1912-8-28 1943 Siskiyou Sisson Comment
  CAS-BOT-BC340419  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  CAS-BOT-BC341698  Lagophylla ramosissima D. E. Breedlove 1962-6-11 3335 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  CAS-BOT-BC341699  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  HSC68175  Lagophylla ramosissima J. P. Smith, J. O. Sawyer 1972-9-14 5799 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  OBI76917  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  UC163827  Lathyrus brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain Comment
  UCD115326  Lepidium appelianum B. Gormau 1926-6-1 s.n. Siskiyou White Mt. Ranch. Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  CHSC72230  Lepidium latifolium Vernon H. Oswald; Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Hwy. 161v adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. Roadsides and marsh edges. 1243 Comment
  HSC41630  Lepidium perfoliatum Barbara Kelly 1977-5-21 432 Siskiyou Parking lot at Callahan, next to grocery store Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  UC375302  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-25 588 Siskiyou Cherry Creek Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  JEPS24809  Lessingia nemaclada Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6818 Siskiyou 7 mi e Callahan 1127 Comment
  UC165407  Lessingia nemaclada Geo. D. Butler 342 Siskiyou near Greenview Comment
  CAS-BOT-BC341905  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Klamath National Forest. Gottville 563 Comment
  HSC70459  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1976-9-5 8978 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  CAS-BOT-BC342099  Leucanthemum vulgare Douglas Barbe 1955-6-29 046 Siskiyou Klamath Mountains. 1.8 miles east of Callahan on the south bank of the Scott River 975 Comment
  CDA7525  Leucanthemum vulgare Don Shaw 1980-6-23 Siskiyou Off Scott River Road near Fort Jones. 0 Comment
  HSC68085  Leucanthemum vulgare J. P. Smith, Steve Selva 1970-6-16 4034 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC45006  Leucocrinum montanum J. P. Smith, J. O. Sawyer 1972-5-7 5288 Siskiyou 9.3 mi. W of Lava Beds National Monument rd. along Box Canyon Creek 1220 Comment
  JEPS80659  Leucocrinum montanum W. B. and V. G. Cooke Jun 1979 3750 Siskiyou Timber Hills Mt. Shasta (garden of Mrs. R. Bangsberg) Comment
  HSC4438  Lewisia cotyledon William J. Ferlatte 1967-7-26 744 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC229452  Lewisia cotyledon James Payne Smith, Jr. 1978-5-28 9955 Siskiyou Klamath National Forest. Forest Service Road 39N27, 3.1 miles south of Sawyers Bar 1219 Comment
  HSC29489  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Marble Mtn. Wilderness Area, ridge trail E of Tom's Lake 2134 Comment
  HSC65559  Lewisia cotyledon R. White 1977-6-19 84 Siskiyou 1 mi. from Trout Camp by trail to Devil's Punchbowl 1341 Comment
  UCD101582  Lewisia cotyledon Rolf Y. Berg 1964-7-15 8271 Siskiyou Seiad Valley Pass near Lily Pad Lake (W. of Cook and Green Pass.) Siskiyou Mountains. Comment
  CAS-BOT-BC444054  Lewisia cotyledon var. cotyledon John Thomas Howell 1937-7-24 13438 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC444056  Lewisia cotyledon var. cotyledon Doris K. Kildale 1929-7-20 8581 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC63484  Lewisia cotyledon var. cotyledon M. A. Baker 1979-7-29 1066 Siskiyou 3100 Comment
  CAS-BOT-BC444082  Lewisia leeana Doris K. Kildale 1929-8-24 8824 Siskiyou Preston Peak 2225 Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  SEINET10595920  Leymus triticoides Louis C. Wheeler 1935-7-13 Wheeler 3662 Siskiyou Dry silty loam. Ager. 792 Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC27109  Ligusticum californicum Carl W. Mize 1972-9-24 126 Siskiyou Along logging road 816 Comment
  CAS-BOT-BC436054  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou Above SE end of Taylor Lake, 12 miles SW of Etna, Salmon Mountains 2194 Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  RSA105417  Lilium kelleyanum G. D. Barbe 1955-6-29 47 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  HSC96874  Lilium pardalinum subsp. shastense Gordon Leppig, J. Cromwell 1997-7-25 581 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  HSC2242  Lilium pardalinum subsp. vollmeri Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  HSC77518  Lilium washingtonianum subsp. purpurascens L. P. Janeway 1983-6-25 333 Siskiyou NE facing slope above Indian Creek and below dirt rd. 0.5 mi. N of W Branch USFS Station 671 Comment
  UC1334271  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer and Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 mi ne Mount Shasta (town) 1402 Comment
  CAS-BOT-BC133101  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC123093  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  CHSC109946  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou Cascade Range Highlands. I-5 southbound, one road mile n of (and above) exit 724 for Castella. 665 Comment
  SEINET3818100  Limnorchis leucostachys A. A. Heller 1915-1 Siskiyou Comment
  UCD77820  Linanthus pungens Robert E. Preston 2003-7-29 2171 Siskiyou Rainbow Mountain and Vicinity. Summit of Rainbow Mountain. 2323 Comment
  CAS-BOT-BC240386  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  CAS-BOT-BC240384  Linnaea borealis subsp. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC44590  Linnaea borealis subsp. longiflora Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  JEPS82719  Linnaea borealis var. longiflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat; (next to Del Norte County) 1143 Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC58906  Listera convallarioides Marvin Butler 1971-7-29 236 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC36527  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-6-11 16028 Siskiyou along the Castle Lake Road 1219 Comment
  JEPS87856  Lithocarpus densiflorus var. echinoides Vernon H. Oswald and Lowell Ahart 1994-7-11 6408 Siskiyou 1.9 mi sw of the dam at Lake Siskiyou (Forest Road 26 (to Mt. Shasta) along this section of road); Forest Road 26 1036 Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  RSA79096  Lithocarpus densiflorus var. echinoides E. K. Balls, P. C. Everett 1952-10-13 18193 Siskiyou 3 mi. e. of jct. of hwys 99 and 89 on road to McCloud. 1220 Comment
  JEPS27162  Lithophragma campanulatum Lauramay T. Dempster 1961-7-1 1827 Siskiyou along ridge from Condry Peak to White Mountain; ridge from Condry Peak to White Mountain Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  RSA52462  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley. 787 Comment
  UC166556  Lithophragma parviflorum Geo. D. Butler 1909-4-25 782 Siskiyou Quartz Valley Comment
  CAS-BOT-BC269146  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC922404  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1949-7-21 5830 Siskiyou Marble Mts., Paradise Lake 1920 Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  UC165425  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou hills near Yreka Comment
  UC922405  Lomatium macrocarpum Annie M. Alexander and Louise Kellogg 1949-7-22 5843 Siskiyou trail to Kings Castle Paradise Lake (top of ridge); Marble Mts., , trail to Kings Castle 2072 Comment
  CHSC86680  Lomatium nudicaule Jenny Marr 1993-7-1 64 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88784  Lomatium nudicaule Jenny Marr 1993-7-1 191 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  CAS-BOT-BC217791  Lomatium peckianum Lincoln Constance; Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka, Klamath-Siskiyou Region 762 Comment
  JEPS28834  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi. s. Yreka 792 Comment
  SEINET13761959  Lomatium utriculatum R. R. Halse 2016-5-29 9724 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  SEINET3154550  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug mountain 1219 Comment
  HSC4902  Lonicera conjugialis J. O. Sawyer 1968-7-22 527 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  SEINET957271  Lotus corniculatus Ynez Whilton Winblad 1941-1 Siskiyou Between Oregon Line and Yreka. Comment
  UC163684  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka Comment
  UC375303  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  UC163659  Lotus nevadensis var. nevadensis Geo. D. Butler 1910-5-31 1441 Siskiyou near Yreka Comment
  HSC44707  Luina hypoleuca J. O. Sawyer, E. Cope 1977-6-18 2897 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  SEINET10964911  Lupinus albicaulis subsp. shastensis David B. Dunn 1971-8-15 Dunn 18141 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  RSA297073  Lupinus albicaulis var. shastensis John F. Emmel 1974-7-20 519 Siskiyou 0.6 air mile ESE of Dry Lake Lookout, along road between Dry Lake Lookout and Deer Camp, Siskiyou Mts. 1890 Comment
  RSA0003354  Lupinus albifrons Geo D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  CAS-BOT-BC196319  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1219 Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  RSA11948  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou Redshale Mountain, east side of Medicine Lake. Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SDSU4656  Lupinus bicolor D. F. Howe 1977-4-2 4985 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  SD98878  Lupinus bicolor Darley F. Howe 1977-7-2 4985 Siskiyou Scott River Road, 7 miles NW of Fort Jones 671 Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS87960  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  UC683333  Lupinus croceus Mrs. H. P. Bracelin 1931-6-21 466 Siskiyou n side of Mt. Eddy Dobkin's Lake (near Mt. Shasta City); , Dobkin's Lake 1828 Comment
  SEINET3166566  Lupinus croceus var. croceus R. W. Spellenberg 2006-6-19 13747 Siskiyou 35 air km WSW of Weed on Calif. Hwy. 3, 8.5 km Sof jct with Callahan-Gazelle Rds., 1.6 km N of Scott Mtn. Summit 1525 Comment
  RSA413557  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1607 Siskiyou Near Hornbrook. Comment
  UC683332  Lupinus klamathensis Mrs. H. P. Bracelin 1931-6-21 470 Siskiyou n side Mt. Eddy (below Dobkin's Lake); n side of Mt. Eddy below Dobkin's Lake 1584 Comment
  CAS-BOT-BC26622  Lupinus klamathensis Alice Eastwood; John Thomas Howell 1934-4-20 1775 Siskiyou Junction of Klamath and Shasta Rivers Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  UC195162  Lupinus latifolius var. viridifolius Annie M. Alexander and Louise Kellogg 1911-6-24 181 Siskiyou Jackson L. 1798 Comment
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  HSC2251  Lupinus leucophyllus Geo. D. Butler 1910-4-19 1201 Siskiyou Yreka Comment
  SEINET10485590  Lupinus leucophyllus var. belliae Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6967 Siskiyou Oak-juniper woodland at margin of klamath river, 2 mi s of hornbrook. 701 Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  RSA52463  Lupinus nanus var. apricus Dorothy Parker 1948-4-21 s.n. Siskiyou Callahan 952 Comment
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  SEINET6193751 Image available Lupinus polyphyllus A. A. Heller 1916-1 s.n. Siskiyou near Sisson 1074 Comment
  CHSC71482  Lupinus polyphyllus var. burkei Vernon H. Oswald; Lowell Ahart 1998-7-21 9330 Siskiyou Northeast of Weed on Tennant Rd. 4.5 mi east of Hwy. 97, 0.5 mi west of the Old State Hwy. to Bray. In a meadow. 1417 Comment
  SBBG47512  Lupinus polyphyllus var. burkei M. B. Dunkle 1945-1 Siskiyou Dads Pocket, Marble Mtns Comment
  HSC65585  Lupinus sellulus var. lobbii Donald W. Miles 1979-7-27 26 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  HSC76486  Lupinus sellulus var. lobbii B. J. Cox, D. B. Dunn 1971-6-9 2807 Siskiyou 11 mi. N of Weed, on Hwy. 97 1250 Comment
  HSC67151  Luzula comosa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA29686  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  LA20729  Luzula subcongesta W. B. C.; 1939-7-26 13741 Siskiyou Mount Shasta, around the E boreal spring above Panther Creek 2743 Comment
  UC163804  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou near Yreka Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 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
  HSC26750  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4827 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA606132  Madia elegans subsp. elegans L. C. Wheeler 1935-6-13 3584 Siskiyou North side Scott River, Scott Bar Mountains 793 Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  HSC43829  Madia gracilis Maralyn O'Meara 1974-5-27 480 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  CAS-BOT-BC343434  Madia gracilis Louis C. Wheeler 1934-6-4 2646 Siskiyou Horse Creek, Siskiyou Mts. 1066 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC512761  Maianthemum racemosum subsp. amplexicaule Wm. Bridge Cooke 1938-6-17 11012 Siskiyou Mount Shasta, Sisson Southern Trail 1524 Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  RSA184813  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 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
  CHSC75681  Malacothrix clevelandii Vernon H. Oswald; Lowell Ahart 1999-7-5 9795 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CDA5691  Marrubium vulgare T. C. Fuller 1970-5-27 19588 Siskiyou Interstate 5, at new truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  UC1265395  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou n side Tom Lake Basin (vicinity of English Peak, Marble Mt Wilderness Area, Salmon Mtns); Salmon Mtns, Marble Mt Wilderness Area 1950 Comment
  UC722541  Melica bulbosa C. L. Hitchcock and J. S. Martin 1939-7-9 5311 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC15008  Melilotus albus D. M. Thomson 1965-7-1 121 Siskiyou Lava Beds National Monument, Cave Loop Dr., near hdq. parking lot Comment
  HSC15846  Mentzelia albicaulis R. C. Wunner 1965-6-6 86 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  SJSU2555  Micranthes odontoloma H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1219 Comment
  CAS-BOT-BC429257  Micranthes oregana L. E. Smith 1914-6-9 714 Siskiyou Sisson Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  POM35782  Microseris laciniata subsp. laciniata Geo D. Butler 1909-6-13 957 Siskiyou Oro Fino Meadows Comment
  UC1190270  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  POM35783  Microseris nutans Geo D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek. Comment
  HSC227  Microsteris gracilis William J. Ferlatte 1967-6-5 494 Siskiyou Big Flat, near public camp 1524 Comment
  HSC61928  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC144522  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson Comment
  POM43710  Mimulus guttatus Edward Palmer 1892-7-13 2478 Siskiyou Mt. Shasta and vicinity. Comment
  UC1374813  Mimulus layneae Noel H. Holmgren, Liew Fah Seong 1969-6-25 3617 Siskiyou 23 mi e McCloud (Calif. 89, 1.3 mi from Shasta County line) Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  UC27060  Mimulus moniliformis F. W. Morse July, 1886 Siskiyou Shasta Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC99277  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi. SE of Deadhorse Summit. 1.3 mi. NW of Shasta Co. line along Hwy. 89 396 Comment
  SEINET12336912  Mimulus nanus var. jepsonii D. M. Thompson 1988-1 932 Siskiyou 8 mi E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Rd & Hwy 89, opposite Hwy 89 1100 Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  UC886077  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou meadow 1 mi s Bray 1402 Comment
  JEPS84011  Mimulus primuloides subsp. primuloides L. R. Heckard with J. Hickman 1986-7-17 6490 Siskiyou ca. 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 1660 Comment
  RSA59504  Mimulus suksdorfii E. K. Balls 1950-5-16 14710 Siskiyou Caldwell Butte, east slope. Lava Beds National Monument. 1646 Comment
  UC1031296  Mimulus tilingii Francis W. Pennell 1940-7-17 26181 Siskiyou above Ruffy Lake (w of Etna); Salmon Mountains 1981 Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC81672  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-7-17 6081 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC77109  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 112 Siskiyou Trail S of Paradise Lake Comment
  CAS-BOT-BC181108  Minuartia nuttallii var. gregaria Doris K. Kildale 1929-8-24 9062 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC181109  Minuartia nuttallii var. gregaria L. B. Kildale 1930-6-1 9845 Siskiyou Mill Creek near Etna Mills Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  CAS-BOT-BC181112  Minuartia nuttallii var. gregaria R. C. Barneby 1954-5-17 11539 Siskiyou Scott Mts., 8 miles above Callahan 1569 Comment
  CAS-BOT-BC229603  Mirabilis greenei W. B. C. 1940-6-20 15155 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  SEINET843661  Mirabilis greenei Rachel Levin 1998-1 98- 4 -B Siskiyou On Copco Rd, 2.4-5 mi from junction with I-5. As head east towards the Copco Dam, plants on left side of road. Comment
  UC1459329  Mirabilis greenei George E. Pilz 1973-5-26 998 Siskiyou along Klamath River (1 mi w of Interstate Rte 5, along CA Rte 96) 700 Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  UC796514  Mirabilis greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11864 Siskiyou foot of Gazelle Mt grade Willow Creek Comment
  CAS-BOT-BC229601  Mirabilis greenei Lester Rowntree 1935-1-1 s.n. Siskiyou Scott River Road Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  HSC86449  Mitella diversifolia D. K. Imper 1987-6-5 Siskiyou Marble Mtn. Wilderness Area, 8 mi. E of Somes Bar 1372 Comment
  UC165926  Mitella pentandra Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley 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
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  SEINET3152593  Monardella odoratissima subsp. glauca G. B. Grant 796 Siskiyou Mount Shasta. 2438 Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC164002  Monardella odoratissima subsp. glauca Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mountain 1219 Comment
  UC164003  Monardella odoratissima subsp. glauca Geo. D. Butler 1908-7-12 168 Siskiyou Humbug Mountain Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 Comment
  LA54285  Monardella odoratissima subsp. pallida Carl Epling; 1940-7-26 15376 Siskiyou Mount Shasta, Diller Canyon Comment
  RSA401674A  Monardella odoratissima subsp. pallida A. C. Life 1923-08 14593 Siskiyou near Mt. Shasta Comment
  SEINET10829417  Monardella siskiyouensis A. Graff 1993-7-24 Graff 353 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  CAS-BOT-BC453479  Monotropa hypopitys H. A. Thomas; J. H. Thomas 1954-7-21 4387 Siskiyou Salmon-Trinity Mts., about 6 iles SE of Cecilville. West side of Rush Creek. 1036 Comment
  UCD77876  Monotropa hypopitys Robert E. Preston 2001-6-30 1645 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1767 Comment
  CAS-BOT-BC453478  Monotropa hypopitys Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA760929  Montia dichotoma R. F. Thorne, Frederick W. Oettinger 1969-8-4 63381 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  UC166171  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou McDutty's upper field near Yreka Comment
  CAS-BOT-BC445205  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29455  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Marble Mtn. Wilderness Area, base of precipice S of Abbott's Lake 1799 Comment
  HSC22180  Muhlenbergia filiformis J. O. Sawyer 1969-8-4 1807 Siskiyou Above Sugar Lake 2134 Comment
  HSC62460  Muhlenbergia filiformis Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  RSA268995  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to jct. and 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  CAS-BOT-BC275170  Muhlenbergia richardsonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10497 Siskiyou Grass Lake Station, on US Highway 97 1554 Comment
  CHSC69101  Muhlenbergia richardsonis Vernon Oswald; Lowell Ahart 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  RSA611431  Myosotis discolor L. C. Wheeler 1935-6-27 3615 Siskiyou Greenview, Scott Valley. 884 Comment
  POM215850  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  RSA240099  Najas flexilis Frederick W. Oettinger 1969-8-23 1511 Siskiyou Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  HSC12275  Nama lobbii Richard Spjut 1970-7-18 468 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  SEINET515858  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  CAS-BOT-BC60323  Nasturtium officinale William Bridge Cooke 1940-7-12 15321 Siskiyou Near the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  JEPS70281  Navarretia divaricata W. L. Jepson 1940-6-30 20068 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on the McCloud River); McCloud River 944 Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  UC711846  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-11 10500 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  UC1258446  Nemophila parviflora var. austiniae Maralyn A. Renner 1980-7-23 1824 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  JEPS81665  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  CHSC93558  Nitrophila occidentalis Lowell Ahart; John Dittes 2005-6-9 12005 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
  UC163670  Nitrophila occidentalis Geo. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  CAS-BOT-BC60574  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC60579  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou By Sacramento River crossing trail to Castle Lake Region of Mount Shasta. Comment
  HSC19137  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1457 Siskiyou Near Sugar Lake 1799 Comment
  UC595100  Nothochelone nemorosa David D. Keck 1938-8-6 4821 Siskiyou Poker Flat, on n slope just se of summit, Siskiyou Mountains Poker Flat; Siskiyou Mountains, Poker Flat 1402 Comment
  OBI6045  Notholithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Cut over PIne forest, 4 mi above jctn of McCloud rd with the Pacific Hwy 1189 Comment
  CHSC4525  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 57 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  SD61051  Oenothera tanacetifolia D. F. Howe 1964-8-5 Siskiyou 4.4 mi. south of Dorris on #97. 1280 Comment
  CDA7580  Onopordum tauricum J. R. Grisham 1959-12-8 Siskiyou Butte Valley; Luzzi Ranch, south of Sam s Neck ca. 15 miles southwest of Dorris. 0 Comment
  UCD134657  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou along road Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  HSC22174  Orobanche uniflora J. O. Sawyer 1969-7-24 1498 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC500332  Orobanche uniflora subsp. occidentalis A. M. Vollmer; L. Beane 1951-5-31 12 -A Siskiyou Scott Mountain Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  POM43390  Orthocarpus attenuatus Geo. D. Butler 1910-5-8 1314 Siskiyou Devils land, near Yreka. Comment
  RSA12498  Orthocarpus cuspidatus subsp. cuspidatus Carl B. Wolf 1934-7-4 5938 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  RSA99683  Orthocarpus lacerus W. A. Weber, L. S. Rose 1953-5-22 8459 Siskiyou 3 miles north of Weed. 1128 Comment
  HSC78374  Osmorhiza berteroi L. P. Janeway 1983-9-11 657 Siskiyou Poker Flat 1524 Comment
  UC726880  Osmorhiza berteroi A. A. Heller 1916-7-20 12467 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UC128685  Packera streptanthifolia A. A. Heller 1905-6-20 8076 Siskiyou Gazelle Comment
  RSA591599  Panicum acuminatum var. lindheimeri L. C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
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Jun 9 2014
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  UC630397  Parnassia californica Annetta Carter 1939-8-21 1480 Siskiyou 12 mi sw of Etna (se end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175618  Parnassia palustris Milo S. Baker 1926-8-8 254 -'26 Siskiyou Meadow bet. Red Mt. & Granite Peak 2194 Comment
  JEPS117250  Pastinaca sativa Lowell Ahart, John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 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. 716 Comment
  CAS-BOT-BC202835  Paxistima myrsinites John Thomas Howell 1937-7-23 13369 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC30206  Paxistima myrsinites William J. Ferlatte 1968-6-8 1132 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  UC114062  Paxistima myrsinites unknown 1900-8-1 Siskiyou Sisson Comment
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Jan 18 2012
  UC1299195  Paxistima myrsinites Freed W. Hoffman 1946-7-8 2592 Siskiyou n. of West Branch Camp (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  UC60927  Paxistima myrsinites Geo. B. Grant September 1902 5153 Siskiyou Mt. Shasta, Sisson 914 Comment
  JEPS124777 Image available Paxistima myrsinites Lynne C. Carter 1967-7-12 102 Siskiyou ca. 1/4 mile west of entrance to Fowler Campground. On rocky cliff above McCloud River. Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  UC609315  Pedicularis bracteosa var. flavida Eleanor Burks Hart 1938-8-25 928 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC266645  Pedicularis bracteosa var. flavida Allen Barbour 1961-8-1 s.n. Siskiyou Upper Caribou Lake, Trinity Alps Comment
  JEPS74420  Pedicularis contorta W. J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  UC1333319  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek; Salmon Mountain Range 1676 Comment
  CAS-BOT-BC204675  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Siskiyou Mts., Rogue River National Forest. Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage 1777 Comment
  UC1483475  Pedicularis howellii Maralyn A. Renner 1980-7-24 1944 Siskiyou above Lily Pad Lake (Pacific Crest Trail); Klamath National Forest 1798 Comment
  UC1040697  Pedicularis racemosa Alfred H. Murphy 1956-8-16 56 EE Siskiyou Tangle Blue Lake; Klamath National Forest 1767 Comment
  RSA183699  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley, Marble Mtns. Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  UCSB51230  Pellaea mucronata Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CDA17133  Penstemon anguineus G. F. Hrusa 2001-6-6 15847 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SD62067  Penstemon anguineus Darley F. Howe 1965-8-8 4125 Siskiyou Saddle, south side of Little Gray Back, Klamath National Forest 1402 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  SEINET7073531  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
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Jul 13 2018
  UC1238934  Penstemon cinereus Freed W. Hoffman 1948-7-13 2651 Siskiyou 8.4 mi n of Tennant (on Butte Creek road); North Coast Ranges, n of Tennant 1295 Comment
  UC180115  Penstemon cinereus H. M. Hall and E. B. Babcock June, 1903 4118 Siskiyou near Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road 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
  RSA15787  Penstemon deustus subsp. deustus Carl B. Wolf 1927-8-26 1012 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA47613  Penstemon deustus subsp. deustus Roxana S. Ferris, Laura Lorraine 1948-6-12 11728 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  NY600701  Penstemon gracilentus K. A. Vincent 1987-8-12 4512 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  RSA79004  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-13 18192 Siskiyou Mt Shasta, 10.4 miles NE of town of Mt Shasta on John Everitt Memorial Hwy up Mt Shasta. 1829 Comment
  SBBG51817  Penstemon heterodoxus var. shastensis C. Bornstein 1996-6-29 Siskiyou Grass Lake Rest Stop 1531 Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  HSC60145  Penstemon laetus subsp. sagittatus D. L. Goforth 1979-7-7 229 Siskiyou Klamath National Forest, Condrey Mtn. 1768 Comment
  HSC60085  Penstemon laetus subsp. sagittatus M. A. Baker 1978-5-20 573 Siskiyou 3 km N of Somes Bar 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
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  SJSU6078  Penstemon laetus var. sagittatus R. W. Trivelpiece 1971-7-14 50 Siskiyou Blue Ridge SW of Eddy Gulch Lookout between Sawyers Bar & Cecilville, Salmon R Mts 1066 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY605199  Penstemon neotericus T. W. Nelson 1980-7-5 5977 Siskiyou Shoeinhorse Mountain Quad.; Fowler's Campground. 1005.8 Comment
  SEINET270928  Penstemon newberryi Richard J. Shaw 1963-6-10 1293 Siskiyou Old highway 99 2 miles south of Weed. Comment
  UCD124305  Penstemon newberryi Dean William Taylor 1972-7-3 s.n. Siskiyou near Little Duck Lake. Comment
  HSC4836  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-23 613 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  UC138851  Penstemon newberryi var. newberryi Dr. E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828 Comment
  UC1034002  Penstemon parvulus Francis W. Pennell 1940-7-17 26171 Siskiyou w Etna (northeastern slope Salmon Mountains); , w of Etna 1828 Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  UCR37830  Penstemon procerus K. T. Stillman 1976-7-15 268 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY638947  Penstemon procerus var. brachyanthus F. W. Pennell 1940-7-17 26180 Siskiyou Above Ruffy Lake, Salmon Mountains, west of Etna 1981.2 Comment
  RSA420384  Penstemon rattanii subsp. rattanii M. B. Dunkle 1945-1 9330 Siskiyou Big Ridge. Klamath National Forest. Marble Mountains. Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  NY651262  Penstemon rydbergii var. oreocharis L. S. Rose 1946-6-4 46146 Siskiyou 18 miles southwest of Macdoel 1371.6 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  SBBG19750  Penstemon speciosus H. and M. Dearing 1939-6-4 3542 Siskiyou near Weed Comment
  UC1303025  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka; near Yreka Comment
  UC1602334  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4097 Siskiyou Mount Shasta Sierra Nevada Mountains, Mount Shasta 853 Comment
  UC922662  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1948-9-4 5578 Siskiyou half way between Somesbar and forks of Salmon River; Siskiyou Mts Comment
  RSA276581  Perideridia oregana Lincoln Constance, T. Chuang, Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff Comment
  RSA459100  Perideridia parishii subsp. latifolia M. B. Dunkle 9348 Siskiyou [Unspecified] 2439 Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  SD53409  Persicaria maculosa Darley F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96 518 Comment
  JEPS37160  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  HSC101738  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-2 12797 Siskiyou River access road, on the Salmon River. 164 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC68991  Phacelia corymbosa Maralyn A. Renner 1980-7-28 2171 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  CHSC4289  Phacelia dalesiana D. Parker 1965-6-1 640 Siskiyou Scott Mt. 1630 Comment
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Jul 5 2017
  UCR93351  Phacelia egena Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CDA40369  Phacelia greenei F. D. & C. L. Horn 1980-6-1 s.n. Siskiyou In Red Rock Gulch, old road west of Highway 3, Yreka. 0 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  UC1471541  Phacelia hastata subsp. compacta C. Hart Merriam 1898-8-3 Siskiyou head of Squaw Creek Mt. Shasta Comment
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Sep 19 2006
  RSA184736  Phacelia hastata subsp. hastata Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim, Marble Mountains. 2195 Comment
  SEINET11263923  Phacelia hastata subsp. hastata Lowell Ahart, Vernon H. Oswald 1994-8-10 6449 Siskiyou Pilgrim Creek Road (FS13) at the railroad crossing 0.9 miles N of Hwy 89, ca 3 air miles ENE of McCloud.; 0 Comment
  HSC76997  Phacelia hastata var. compacta K. T. Stillman 1976-6-25 92 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley trail 2073 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  UC726922  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 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
  UC2026473  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  JEPS84257  Phlox adsurgens L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6304 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  SD114161  Phlox diffusa Darley F. Howe 1979-6-26 5110 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1768 Comment
  POM230548  Phlox diffusa subsp. diffusa J. T. Howell 1937-7-24 13406 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC82561  Phlox speciosa subsp. nitida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4718 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 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
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  HSC29627  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC69509  Phyllodoce empetriformis John Palmer 1980-7-24 656 Siskiyou Dillon Divide 1707 Comment
  HSC76940  Phyllodoce empetriformis K. T. Stillman 1976-7-14 230 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  JEPS44812  Physocarpus capitatus W. L. Jepson 1894-8-9 13846 Siskiyou Shasta Springs Comment
  CDA493  Picea breweriana G. Fred Hrusa 1998-7-5 14675 Siskiyou Happy Camp- O Brien Rd; S side below summit. Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  UC665706  Picea breweriana L. E. Berriman January, 1941 Siskiyou w Callahan (n slopes of peak); North Coast Ranges, Russian Peak 1828 Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  POM264685  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  HSC1364  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy near Deadfall Lake, Bulk Collection # 93 2226 Comment
  UC1362102  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou top of saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness 2103 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC73094  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou S. slope Black Butte, W. of Mt. Shasta. Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  UC618790  Pinus lambertiana W. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UCD134636  Pinus lambertiana Robert E. Preston 2002-7-12 1914 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1950 Comment
  HSC29678  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou Marble Mtn. Wilderness Area, E of inlet to Upper English Lake 1829 Comment
  UC922534  Piperia elongata Annie M. Alexander and Louise Kellogg 1948-9-4 5579 Siskiyou halfway between Somesbar and Forks of the Salmon Rivre; Siskiyou Mountains, Salmon River Comment
  UC618670  Piperia unalascensis W. Bridge Cooke 1938-7-22 11309 Siskiyou Wagon Camp meadow Mount Shasta, Wagon Camp 1737 Comment
  JEPS84239  Piperia unalascensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 Siskiyou ca 7 mi nne Seiad Valley (about 0.5 mi se of Red Butte, sw of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  UC78002  Plagiobothrys hispidus M. K. Curran 1888-7-1 Siskiyou Sisson's Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA105308  Plantago eriopoda Milo S. Baker 1955-7-26 13079 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  HSC29120  Plantago lanceolata Frederick W. Oettinger 1969-8-15 1383 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  HSC82359  Platanthera dilatata var. leucostachys Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS74458  Platanthera leucostachys W. J. Ferlatte 1966-6-23 141 Siskiyou between campground and S. Fork of the Salmon R. (Trinity Alps, Big Flat); Trinity Alps, Big Flat 1524 Comment
  HSC35286  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  UCD90582  Poa bolanderi A. H. Murphy 1956-8-15 56 H Siskiyou Klamath National Forest. Tangle Blue Creek. 1767 Comment
  HSC100199  Poa bulbosa J. P. Smith, J. O. Sawyer & R. J. Cole 2011-5-22 13164 Siskiyou Klamath National Forest, East Fork Campground. 735 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
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 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
  HSC92156  Poa pringlei Jennifer Whipple 1976-7-7 1319 Siskiyou Summit region of Mtn. Eddy, Trinity and Siskiyou Counties. 2530 Comment
  UCD91776  Poa pringlei Robert E. Preston 2001-6-23 1597 Siskiyou Klamath National Forest, north facing slope of Rainbow Mountain. 2042 Comment
  SEINET10659353  Poa scabrella Louis C. Wheeler 1935-5-11 Wheeler 3478 Siskiyou Low, sunny, formerly wet site Klamath River at Ash Creek, Siskiyou County. S13, T46N, R7W. Mt. Diablo Mer. 610 Comment
  CAS-BOT-BC255013  Poa secunda K. T. Stillman 1976-6-25 98 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap and Elk Valley trail Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  CAS-BOT-BC243225  Poa secunda subsp. secunda Alice Eastwood 1923-5-27 11962 a Siskiyou Shasta Springs Comment
  CAS-BOT-BC243231  Poa secunda subsp. secunda A. A. Heller 1920-6-29 13402 Siskiyou Near Wagon Creek falls, E side of Mount Eddy Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UCD92067  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 1920 Comment
  HSC92030  Poa wheeleri Jennifer Whipple 1976-7-2 1274 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS69922  Polemonium californicum Geo. D. Butler 1908-8-6 26 Siskiyou trail near summit above Marble Mountain Valley; trail near summit above Marble Mountain Valley 1767 Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  UC137875  Polygala cornuta var. cornuta Dr. E. B. Copeland 1903-8-13 3817 Siskiyou Sisson 1066 Comment
  UC725828  Polygonum A. A. Heller 1925-7-25 13901 Siskiyou Shasta Valley near Edgewood; Shasta Valley Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  UC163819  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Oro Fino Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  JEPS50520  Polygonum convolvulus W. L. Jepson 1894-7 14805 Siskiyou Sisson Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  UC1735923  Polygonum douglasii Dean W. Taylor 1987-8-6 9242 Siskiyou Porcupine Lake; ; Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  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
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  POM104495  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Summer Fallow Fish near Yreka Comment
  RSA237771  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Trail side above Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS83570  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  CHSC71596  Polygonum douglasii subsp. johnstonii Vernon H. Oswald; Lowell Ahart 1998-8-3 9456 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  UC1191245  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1948-7-17 13594 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  UC1409315  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC850205  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  SEINET10733869  Polygonum newberryi Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  JEPS109979  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 2005-7-13 19393 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89) 1402 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC61690  Polygonum shastense Geo. B. Grant Sept. 1902 5089 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UC618626  Polygonum shastense W. Bridge Cooke 1938-8-18 11496 Siskiyou Horse Camp Slopes Mount Shasta Comment
  HSC69294  Polystichum imbricans Maralyn A. Renner 1980-7-24 1999 Siskiyou Lily Pad Lake 1768 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  JEPS89829  Polystichum kruckebergii Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou n.-facing slope of s. wall of Alcohol Crater; extreme n.e. Siskiyou Co., Medicine Lake area, Alcohol Crate Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  RSA576447  Polystichum lonchitis L. C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains: Dead Cow Creek. 1890 Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  CAS-BOT-BC72509  Polystichum scopulinum Peter H. Raven 1956-9-4 10385 Siskiyou ridge S. of Mt. Eddy 2286 Comment
  UC618728  Populus tremuloides W. Bridge Cooke 1938-8-23 11577 Siskiyou top of the Shastina Lava Park Mount Shasta (n side Shastina); , , n side Shastina Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  UC375242  Populus trichocarpa Geo. D. Butler 1909-9-26 972 Siskiyou along creek near Yreka; along creek near Yreka Comment
  CDA17146  Potamogeton crispus G. F. Hrusa 2001-6-6 15860 Siskiyou Siskiyou Mountains; Klamath River, +/- 1.5 mi. E of Ft. Goff campground. 350 Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC29382  Potentilla breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC90588  Potentilla cristae Jennifer Whipple 1976-7-1 1222 Siskiyou Wagon Creek drainage near Wagon Creek 2409 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 Comment
  UC1560737 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2122 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  UC1409453  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou ridge se Tobacco Lake Meadow (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  HSC29383  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Marble Mountain Wilderness Area, ridge SE of Tobacco Lake Meadow 1890 Comment
  HSC23695  Potentilla flabellifolia J. O. Sawyer 1969-8-5 1739 Siskiyou W of Little Duck Lake 2073 Comment
  HSC34154  Potentilla flabellifolia J. O. Sawyer 1969-7-18 1391 Siskiyou Head of S Russian Creek 1829 Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  RSA237617  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou South of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237862  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-22 598 Siskiyou Ridge between Diamond Lake and English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC618831  Potentilla gracilis David Keck 1938-7-29 11395 Siskiyou Bear Springs , Bear Springs (Mount Shasta) 1524 Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  HSC86547  Potentilla gracilis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC540555  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  HSC29472  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area: midway between English Lake and drift fence 1829 Comment
  CAS-BOT-BC158452  Potentilla gracilis var. flabelliformis J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 Comment
  CAS-BOT-BC158528  Potentilla millefolia Mrs. Brandegee 1887-7-1 8074 Siskiyou Gazelle. At Edgewood, the first station south of Gazelle Comment
  HSC4473  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn. 2470 Comment
  HSC44577  Prunella vulgaris subsp. lanceolata Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  HSC31800  Prunus emarginata Steve Selva, Roger Jensen 1974-8-16 6 Siskiyou S facing slopes above Sugar Lake Comment
  RSA211470  Prunus emarginata William J. Ferlatte 1966-6-22 123 Siskiyou Yellow Rose Mine. 1982 Comment
  UC1281135  Prunus emarginata H. E. McMinn 1931-6-26 2506 Siskiyou near Shasta Comment
  UC719804  Prunus emarginata Rogers McVaugh 1941-8-4 6231 Siskiyou 1 mi s of Mount Shasta City Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  CAS-BOT-BC159729  Prunus subcordata var. oregana C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek 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
  CAS-BOT-BC159452  Prunus virginiana var. demissa L. R. Short 1933-5-24 131 Siskiyou Klamath Forest 548 Comment
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  POM88104  Prunus virginiana var. demissa Geo. D. Butler 1910-4-30 1248 Siskiyou [Greka or Silka]? Creek Comment
  RSA237593  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou SE side of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  UC1409286  Pseudognaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou ne side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  UC650630  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9316 Siskiyou n end of Lava Beds National Monument Lava Beds National Monument Comment
  CHSC96624  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA237417  Pseudotsuga menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou On the ridge above Hell Hole at the northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  UCD91860  Puccinellia distans Robert Slayback; O. K. Hoglund 1965-7-1 s.n. Siskiyou 1 mile east of the Lower Klamath National Wildlife Refuge. 70 Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  UC876211  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  CAS-BOT-BC462796  Pyrola dentata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC462803  Pyrola dentata W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  HSC22456  Pyrola dentata J. O. Sawyer 1969-9-11 2034 Siskiyou Midslope above C.C.C. Rd. 1280 Comment
  CAS-BOT-BC466145  Pyrola picta Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC362269  Pyrrocoma carthamoides var. cusickii Louis C. Wheeler No date on label 2830 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. Comment
  CAS-BOT-BC62715  Quercus chrysolepis C. Hart Merriam 1919-10-17 s.n. Siskiyou Sacramento Canyon, near Sisson Comment
  SACT002132  Quercus garryana Herbert Copeland 1936-6-21 Siskiyou roadside, small trees, abundant on arid hills Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 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-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  CAS-BOT-BC104358  Quercus sadleriana Lester Rowntree 1934-5-12 s.n. Siskiyou Happy Camp Road top of divide Comment
  CAS-BOT-BC104359  Quercus sadleriana C. L. Hitchcock; J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp Road 1676 Comment
  CAS-BOT-BC104361  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  SBBG113472  Quercus sadleriana D. Wilken with E. Painter 2000-8-10 15852 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
  UCD47228  Quercus sadleriana Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 607 Siskiyou Indian Creek Road, 5.6 miles south of California-Oregon State line, Siskiyou County, California. (UC Davis Arboretum Accession No. A65.723). 1554 Comment
  UCD47247  Quercus sadleriana R. G. Schultz 1965-10-1 2 ,3,5 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  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
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  JEPS87837  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou upstream side of Forest Rd 26 (to Mt. Shasta) ca 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  UCD95823  Ranunculus alismifolius var. alismifolius Robert E. Preston 2001-6-23 1608 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1981 Comment
  CDA3500  Ranunculus arvensis Don Shaw 1978-6-2 Siskiyou Sam s Neck, southwest of Dorris. 0 Comment
  RSA534580  Ranunculus flammula var. ovalis Peter Rubtzoff 1955-7-10 1947 Siskiyou Duncans Mills Marsh Comment
  SJSU6481  Ranunculus occidentalis R. W. Trivelpiece 1972-6-9 95 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC601  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  LA91288  Rhamnus californica Wm. Bridge Cooke; 1938-6-17 11041 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  CAS-BOT-BC56112  Rhamnus ilicifolia Dorothy Parker 1950-6-5 450 Siskiyou in McConnahue Gulch, Scott Valley 883 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UC163697  Rhamnus purshiana Geo. D. Butler 1910-8-7 1821 Siskiyou Humbug Mountain 1219 Comment
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC455434  Rhamnus rubra I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  POM244253  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
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Sep 10 2010
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  UCD117874  Rhododendron columbianum 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. 1615 Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  SFV5171  Rhododendron occidentale B. C. Templeton 1960-6-21 8537 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC200670  Rhus aromatica L. P. Janeway 1984-6-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point 594 Comment
  CHSC57405  Rhus aromatica L. P. Janeway 1984-4-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. On flat above river. 594 Comment
  CHSC71272  Rhus aromatica Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed: 1066 Comment
  SEINET3155932  Rhus trilobata var. quinata G. D. Butler 1910-6-29 1615 Siskiyou near Yreka Comment
  CAS-BOT-BC438002  Ribes Doris K. Kildale 1928-8-18 6438 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp 1524 Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  UC375358  Ribes aureum Geo. D. Butler 1908-6-20 266 Siskiyou near Yreka Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 Comment
  UC796515  Ribes binominatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11769 Siskiyou about 6 mi from Etna (on Forks of Salmon Rd.) 1706 Comment
  CAS-BOT-BC108773  Ribes cereum Elmer I. Applegate 1923-8-18 3171 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2438 Comment
  CAS-BOT-BC108777  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  SFV1613  Ribes cereum J. Major 1961-7-14 635 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  CAS-BOT-BC168873  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  HSC96865  Ribes lacustre Gordon Leppig 1998-7-10 916 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  SBBG2762  Ribes lobbii H. and M. Dearing 1939-7-2 3799 Siskiyou Salmon Mtn summit 1981 Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC40859  Ribes marshallii J. O. Sawyer 1973-7-18 2550 Siskiyou Hamilton Camp Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  OBI2051  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  JEPS49235  Ribes roezlii var. cruentum W. L. Jepson 1937-7-30 18544 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains 1584 Comment
  UC637110  Ribes sanguineum Annetta Carter 1934-8-13 707 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  HSC61947  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC46764  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail 1646 Comment
  JEPS107442  Rigiopappus leptocladus Lowell Ahart, John Dittes 2005-6-10 12086 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  UC375409  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC74372  Rorippa columbiae L. E. Smith 1915-6-30 s.n. Siskiyou Bray. Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UCR51813  Rorippa curvisiliqua L. C. Wheeler 1934-7-3 02872 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mtn. 1768 Comment
  CHSC105278  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2010-7-30 16960 Siskiyou 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
  HSC64784  Rosa californica J. P. Smith, Steve Selva 1970-6-15 3939 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC146741  Rosa gymnocarpa A. A. Heller 1905-6-5 s.n. Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC19387  Rosa gymnocarpa J. O. Sawyer 1968-9-10 682 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC67674  Rosa gymnocarpa John Palmer 1980-7-24 595 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC99791  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-15 566 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  UC136511  Rosa gymnocarpa Dr. E. B. Copeland 1903-9-5 3874 Siskiyou foot Mt. Eddy 1219 Comment
  CAS-BOT-BC147072  Rosa pisocarpa Alice Eastwood 1923-5-23 11936 Siskiyou Cantara, S.P.R.R. Comment
  UC1045314  Rosa pisocarpa W. Bridge Cooke 1940-6-20 15172 Siskiyou Klamath River near the Pacific Highway below Hornbrook 609 Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  CAS-BOT-BC147162  Rubus laciniatus Carl B. Wolf 1927-8-27 1115 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC148353  Rubus lasiococcus Louis C. Wheeler 1934-8-13 3116 Siskiyou Johnson Dairy, Siskiyou Mts. 1828 Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA126292  Rubus leucodermis I. L. Wiggins 1955-7-22 13456 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC73299  Rubus ursinus M. A. Baker 1980-6-20 2214 Siskiyou Near Bald Mtn. 1036 Comment
  UC1282030  Rudbeckia klamathensis Louise Kellogg 1953-8-8 111 Siskiyou on road between Callahan and Trinity Center; Mule Creek, Scott Mountain, Klamath National Forest 1402 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC64513  Rumex acetosella J. P. Smith 1973-5-5 6368 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA68896  Rumex acetosella A. E. Culbertson 1943-7-12 61 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CHSC106099  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
  UCD77983  Sagina procumbens Robert E. Preston 2001-7-20 1679 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  JEPS13065  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou extreme head of West Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers); betw Salmon and New Rivers, head of West Fork Knownothing Cr 1889 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  RSA211241  Salix jepsonii William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 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
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  UCSB10875  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC125448  Salix lasiandra var. lasiandra Alice Eastwood 1921-7-25 10828 Siskiyou [Bigelows] Bigelow, McCloud River Comment
  CAS-BOT-BC107061  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  CAS-BOT-BC107075  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 854 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC482241  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC107340  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC128301  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7499 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  POM208268  Salix lucida subsp. lasiandra Louis C. Wheeler 1934-7-5 2893 Siskiyou Hungry Creek. Siskiyou Mtns. 1372 Comment
  POM219896  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1350 Comment
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA5731  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125687  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou Near Sisson Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  CAS-BOT-BC129030  Salix scouleriana A. A. Heller 1915-7-18 12130 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1188 Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  RSA186319  Salix scouleriana Gilbert Muth 1966-10-16 1 Siskiyou Marble Mountains 1793 Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  SJSU200  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481713  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  RSA238004  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou W shore of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1723 Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  CAS-BOT-BC220807  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-5 2343 Siskiyou Capt. Jack's Ice Cave, Lava Beds National Monument Comment
  JEPS104950  Salvia dorrii var. dorrii Dean W. Taylor 1996-6-26 15745 Siskiyou Iron Creek Reservoir; drainage of Brush Creek; Klamath National Forest; Cascade Ranges 670 Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC238875  Sambucus nigra subsp. caerulea J. K. Nelson; J. R. Nelson; Soren Nelson 2004-8-29 2004 -094 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  UC165424  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Mountain Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  HSC4154  Saponaria officinalis C. B. Wolf 1927-8-27 1131 Siskiyou On Klamath River, 7 mi. below Happy Camp Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  POM211804  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  RSA60659  Saxifraga aprica I. L. Wiggins 1950-5-28 12387 Siskiyou 0.3 mile W of Carmen Lake. 1707 Comment
  UC1190190  Saxifraga aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA211111  Saxifraga odontoloma William J. Ferlatte 1967-8-23 1105 Siskiyou Kidd Creek Trail. Trinity Alps. 1951 Comment
  CAS-BOT-BC445871  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA184726  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below lookout (N). Marble Mtns. 2073 Comment
  CAS-BOT-BC283648  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Klamath National Forest 838 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  UCD126475  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS75307  Schoenoplectus acutus var. occidentalis Geo. D. Butler 1909-10-10 1092 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  CHSC91389  Schoenoplectus americanus Lowell Ahart; John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  CAS-BOT-BC30750  Scirpus congdonii J. H. Thomas; H. A. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC40237  Scleranthus annuus J. P. Smith 1976-5-5 8670 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  UC1713595  Scutellaria antirrhinoides C. Epling 1938-6-12 Siskiyou between Happy Camp and Orleans Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC61467  Sedum laxum subsp. laxum Gilbert Muth 1969-8-6 s.n. Siskiyou Boulder Peak Ridge 2468 Comment
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Oct 29 2020
  RSA96847  Sedum laxum subsp. laxum P. C. Everett, E. K. Balls 1954-10-13 20293 Siskiyou Indian Creek Rd. to Obrien, 20 mi. NW from Hwy 96 at Happy Camp. 1433 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  NY388002  Sedum obtusatum subsp. boreale R. T. Clausen 1940-7-26 4952 Siskiyou Pacific slope. Province Middle Cascade. Sacramento river. E side of Mud Creek Canyon, Mt. Shasta. 1706.9 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 Comment
  UCR246359  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25643 Siskiyou Klamath Range (KR), above Forest Service Road 1055, 0.4 road miles above and S of junction with FS Road 1050; 2 air miles WSW of Stein Butte, Siskiyou Mountains 680 Comment
  JEPS82493  Sedum spathulifolium Gilbert Muth 1965-8-3 158 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness area) 1792 Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  SEINET8552455  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CAS-BOT-BC363421  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC363427  Senecio aronicoides John M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, Mt. Shasta 2407 Comment
  HSC67813  Senecio aronicoides J. O. Sawyer, J. Cole 1980-7-21 3820 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC363943  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11808 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC165411  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  UC75811  Senecio triangularis Milo S. Baker 1899-7-31 Siskiyou on Ash Creek (e slope Mt. Shasta); e slope of Mt. Shasta Comment
  CAS-BOT-BC240270  Setaria viridis Dorothy Parker 1948-8-24 88 Siskiyou Garden in Plowman's Valley, East Fork of Scott River 1188 Comment
  UC196947  Setaria viridis Geo. D. Butler 1910-8-13 1834 Siskiyou Quartz Valley Comment
  HSC75  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  UC1282015  Sidalcea glaucescens Louise Kellogg 1953-8-8 113 Siskiyou on road between Callahan and Trinity Center (Mule Creek, nw slope Scott Mountain, Klamath National Forest); Klamath National Forest, Scott Mountains, Mule Creek 1402 Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  CDA36497  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  SEINET3143357  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-16 1728 Siskiyou Oro Frisco [can not read location] Comment
  UC609314  Silene bernardina Eleanor Burks Hart 1938-8-16 951 Siskiyou Upper Wright Lake 2225 Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  UC637021  Silene campanulata subsp. glandulosa Edward Lee 1934-8-14 1094 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1828 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
  RSA237843  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-7-11 989 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  CAS-BOT-BC175053  Silene grayi R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC68330  Silene grayi Maralyn A. Renner 1980-6-26 1241 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC389420  Silene lemmonii W. B. Cooke; V. G. Cooke 1972-7-6 45462 Siskiyou Mud Creek Dam Road, Mt. Shasta Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  JEPS107671  Sisymbrium altissimum Lowell Ahart, John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC75153  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  HSC6908  Sisymbrium altissimum D. M. Thomson 1965-7-17 147 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  CAS-BOT-BC133703  Sisyrinchium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC3864  Smilacina racemosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  JEPS117251  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  UC1222769  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou 8 mi se of Flint Valley (on road to Orleans) Comment
  CAS-BOT-BC365552  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  CAS-BOT-BC365564  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  JEPS95109  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-7-28 8791 Siskiyou se of Medicine Lake at Paynes Springs, on floor and walls of Paynes Creek Canyon n of the campground Medicine Lake; Paynes Springs, Paynes Creek Canyon 1981 Comment
  CDA7677  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18910  Sorbus californica J. O. Sawyer 1968-7-10 496 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC149680  Spiraea douglasii W. R. Dudley 1905-8-3 s.n. Siskiyou Sacramento River near [Sissons] Sisson Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  RSA0056277  Spiraea douglasii Geo. E. Julian 1962-7-20 s.n. Siskiyou Near trailer park in town of Mt. Shasta. Comment
  UCSB24987  Spiraea douglasii Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake; south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC100319  Spiraea splendens J. P. Smith, J. O. Sawyer 2011-7-21 13033 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  HSC60775  Spiraea splendens var. splendens Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UC618685  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11394 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  CDA19579  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; 2.5 mi W of Yreka. 929 Comment
  HSC467  Stachys rigida William J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake basin. 1677 Comment
  HSC63581  Stachys rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground. 823 Comment
  SBBG95169  Stachys rigida M. B. Dunkle -Aug-1945 Siskiyou Paradise Lake, Marble Mtns, Klamath Nat Forest 1981 Comment
  RSA273427  Stachys rigida subsp. rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  HSC58  Stellaria longipes subsp. longipes William J. Ferlatte 1966-6-23 140 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC165376  Stellaria longipes var. longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  RSA183713  Stenanthium occidentale Gilbert Muth 1965-8-16 224 Siskiyou Behind Blk. Mt. [Black Marble Mountain?] near the trail, Marble Mountains Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  CAS-BOT-BC61125  Streptanthus barbatus L. E. Smith 1913-6-29 418 Siskiyou Rainbow. Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  UC455752  Streptanthus barbatus I. J. Condit 1909-8-25 Siskiyou along trail Sisson, North Fork 914 Comment
  HSC70621  Streptanthus barbatus J. M. DiTomaso 1980-8-25 1907 Siskiyou Junction of FS Rd. 40N30 and 40N64 on way to Gumboot Lake from Mt. Shasta City Comment
  CAS-BOT-BC87843  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1937-6-26 5038 Siskiyou Salmon Mountains above Taylor Creek. Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  RSA603096  Streptanthus tortuosus L. C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC67675  Streptopus amplexifolius John Palmer 1980-7-24 596 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC516439  Streptopus amplexifolius John Thomas Howell 1939-8-3 14992 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS62165  Streptopus amplexifolius var. americanus Willis L. Jepson Jul 1894 Siskiyou Sisson Comment
  UCD139812  Streptopus amplexifolius var. americanus John M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC48106  Suksdorfia ranunculifolia Lester Rowntree 1937-7-24 s.n. Siskiyou Caribou Lakes Comment
  HSC25  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake Basin 1677 Comment
  HSC91300  Swertia albicaulis var. nitida Jennifer Whipple 1976-7-14 1479 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  HSC27010  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  CAS-BOT-BC269627  Symphoricarpos albus var. laevigatus D. K. Noyes 1911-9-29 30 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC269708  Symphoricarpos mollis W. R. Dudley 1901-8-24 s.n. Siskiyou Four Mile [Fourmile] Creek Trail, Salmon Mts. Comment
  HSC91427  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1977-7-20 2009 Siskiyou Near Durney Lake. 2073 Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC98442  Symphyotrichum spathulatum E. B. Copeland 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  HSC43425  Taraxacum officinale Maralyn O'Meara 1974-5-26 451 Siskiyou Chandler Glade on F.S. road 47N03 Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC81348  Taxus brevifolia Alice Eastwood 1912-7-21 1269 Siskiyou Sisson Comment
  HSC32595  Taxus brevifolia Steven Lagos 1974-5-26 86 Siskiyou Duck Lake Creek drainage, Bulk Collection # 60 1463 Comment
  RSA120813  Taxus brevifolia G. D. Barbe 1955-7-9 158 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  RSA605357  Taxus brevifolia L. C. Wheeler 1959-7-25 7596 a Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  HSC640  Tellima grandiflora William J. Ferlatte 1967-6-30 599 Siskiyou Josephine Lake basin 1677 Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  CDA25192  Thelypodium brachycarpum M. R. Pryor 1948-7-14 3705 Siskiyou 5 miles north of Gazelle, State Highway 99. 0 Comment
  UC1083162  Thelypodium brachycarpum H. L. Mason 1931-5-9 5874 Siskiyou 4 mi n Dunsmuir Comment
  CDA25193  Thelypodium brachycarpum Don Shaw 1978-8-23 Siskiyou White Lake - Lower Klamath Refuge, Tule Lake. 0 Comment
  SEINET11970787  Thelypodium brachycarpum H. M. Hall, Babcock, E. B. 1903-1 4092 Siskiyou Mount Shasta, Shasta Valley, Sierra Nevada Mountains 914 Comment
  JEPS104955  Thelypodium laciniatum Dean W. Taylor 1996-7-10 15770 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC64820  Thysanocarpus curvipes J. P. Smith 1976-5-5 8687 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC165985  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino; fields Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  HSC6293  Tragopogon dubius R. C. Wunner 1965-7-9 359 Siskiyou California Lava Beds National Monument; Crescent Butte. 0.1 mi. on road to Mammoth Crater from junction of road headquarters 1448 Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  JEPS95830  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald and L. Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate 1508 Comment
  CHSC91386  Trifolium hirtum Lowell Ahart; John Dittes 2005-6-10 12074 Siskiyou Overflow area, on the north side of the Shasta River, about 100 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
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  HSC92474  Trifolium incarnatum Jeanne McFarland, Kathie Meyer, Anne Mullenniex 1995-4-9 41 Siskiyou 3 mi. up the Salmon River, off Hwy. 96 351 Comment
  HSC19002  Trifolium longipes J. O. Sawyer 1969-8-5 1936 Siskiyou N of S Sugar Lake 1890 Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  JEPS74422  Trifolium wormskioldii W. J. Ferlatte 1966-8-2 228 Siskiyou Big Flat hillside Trinity Alps (betw campground and Sout Fork Salmon River) Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  JEPS96991  Trillium ovatum Dean W. Taylor 1999-6-9 17230 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  HSC77003  Trillium ovatum subsp. oettingeri K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC783  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) Comment
  UCD93608  Trisetum canescens A. H. Murphy 1959-7-23 59 Y Siskiyou Shasta National Forest. North fork of Sacramento River. 1676 Comment
  CHSC4310  Trisetum cernuum D. Parker 1965-7-24 897 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  HSC44922  Triteleia crocea J. P. Smith 1974-5-25 7377 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC15048  Triteleia crocea Harley P. Chandler June, 1901 1695 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 2133 Comment
  CHSC31180  Triteleia crocea var. modesta M. S. Taylor 1980-7-8 3116 Siskiyou Se side of Castle Lake about half way up from the lake to the ridge. 2011 Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  RSA378019  Triteleia hyacinthina M. B. Dunkle 9345 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  UCSB24990  Triteleia ixioides subsp. anilina Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  JEPS48254  Tsuga mertensiana W. L. Jepson 1907-7-5 2820 Siskiyou Marble Mt. Comment
  RSA120636  Tsuga mertensiana G. D. Barbe 1955-8-1 322 Siskiyou Southeast of Craggy Lookout on Mt. Bolwar, Scott Mountains. 2256 Comment
  SBBG39108  Tsuga mertensiana W. M. Plumb 1969-2-22 Siskiyou just under Pk of China Mtn Scott Bar Mtns 2438 Comment
  HSC36609  Typha latifolia Brent Whiteley 1975-6-24 49 Siskiyou 235 Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  UC54461  Vaccaria hispanica H. M. Hall and E. B. Babcock June, 1903 4094 Siskiyou Mount Shasta Shasta Valley (Shasta Valley); Sierra Nevada Mountains, , Shasta Valley 853 Comment
  CAS-BOT-BC199188  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  CAS-BOT-BC228590  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1925 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  CAS-BOT-BC228835  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1934 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  CHSC114196  Vaccinium cespitosum Loren Gehrung 1996-8-19 177 Siskiyou Russian Wilderness Area. Along Sugar Creek. 1676 Comment
  HSC19109  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1813 Siskiyou Above Sugar Lake 2134 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC19114  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1924 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC19115  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1595 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC67665  Vaccinium membranaceum John Palmer 1980-7-24 583 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  CDA6692  Valerianella locusta F. D. Horn 1978-5-1 Siskiyou Horn Ranch, Etna. 0 Comment
  HSC30439  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC1409322  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  HSC69439  Veratrum viride John Palmer 1980-8-13 792 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC21168  Verbascum thapsus D. M. Thomson 1965-8-14 188 Siskiyou Lava Beds National Monument, near Mammoth Crater Comment
  UCD124729  Verbascum thapsus Morris Halperin 1930-7-11 s.n. Siskiyou Along main highway, N of Yreka CA. Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  HSC86528  Veronica americana D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  SEINET12337130  Veronica copelandii Unknown 1986-1 60356 Siskiyou SW of Cook and Green Pass, Kangaroo Mt 1859 Comment
  UC444945  Veronica peregrina subsp. xalapensis F. H. Hooper Apr. 1897 14 Siskiyou Little Shasta Comment
  RSA29915  Veronica triphyllos Louis C. Wheeler 1935-4-18 3433 Siskiyou Yreka. 823 Comment
  JEPS89184  Veronica wormskjoldii Gilbert Muth 1966-7-18 413 Siskiyou above Marble Valley (Marble Gap Trail); Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UC618896  Veronica wormskjoldii W. Bridge Cooke 1938-9-8 11634 Siskiyou South Gate Springs; Mount Shasta, South Gate Springs 2499 Comment
  HSC42960  Vicia americana var. americana J. O. Sawyer, Ken Stillman 1976-5-30 2755 Siskiyou</