Search Results — 2000 specimen records retrieved (1347 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77929  Abies G. A. Coleman 1901-7-31 35 Siskiyou west of forks of Salmon River Comment
  CAS-BOT-BC78129  Abies X shastensis G. B. Grant 1902-7-16 s.n. Siskiyou Alta Meadow Comment
  HSC4975  Abies X shastensis J. O. Sawyer 1968-6-18 175 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC4974  Abies amabilis J. O. Sawyer 1968-7-2 383 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  SEINET8058010 Image available Abies concolor Jack Major, R. Pemble, M. Fleschner 1966-9-6 Siskiyou Beside trail from Lovers Camp to Marble Valley Guard Station (Sec. 7, T 3 N, R12 W), Marble Mountains 1372 Comment
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  RSA226605  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  UCD70192  Abies lowiana S. Rivas-Martinez; M. Costa and D. Sanchez-Mata 1998-6-16 Siskiyou Mount Shasta City. Shasta-Trinity National Forest. John Everitt Memorial Highway. Open Shasta red fir forests (Abies shastensis) at the basis of Mount Shasta. 2180 Comment
  CAS-BOT-BC330616  Acer circinatum Doris K. Kildale 1929-7-20 8658 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC330620  Acer circinatum Alice Eastwood 1923-7-1 1346 Siskiyou Cantara Comment
  UC454749  Acer circinatum I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC332793  Acer macrophyllum Doris K. Kildale 1929-5-12 7813 Siskiyou Sawyers Bar, north fork of Salmon River Comment
  CAS-BOT-BC30429  Achillea millefolium John Thomas Howell 1939-8-6 15093 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CHSC86654  Achillea millefolium Jenny Marr 1993-7-1 37 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC616  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin 1982 Comment
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC18863  Achillea millefolium David D. Keck 1938-8-7 4850 Siskiyou 1 mi. N of Schmitt Mill on road between Gazelle and Callahan, Scott Mtns. 1463 Comment
  HSC68423  Achillea millefolium Maralyn A. Renner 1980-1-10 872 Siskiyou Ridge 1 mile south of Greenhorn Road and 1 mile east of Mill Creek 1341 Comment
  SD113039  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of #97. 185 Comment
  UCD128322  Achillea millefolium S. P. Lynch 1975-6-19 1388 -a Siskiyou 16.3 miles northeast of Happy Camp on Highway 96. Comment
  UCD128329  Achillea millefolium Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  CAS-BOT-BC210863  Achnatherum occidentale subsp. californicum Alice Eastwood 1912-7-15 1131 Siskiyou McCloud Comment
  CAS-BOT-BC210873  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon Camp-Horse Camp Trail Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1037095  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-6-29 2193 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS107489  Achyrachaena mollis Lowell Ahart, John Dittes 2005-6-10 12113 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS60370  Aconitum columbianum John P. Young 1921-9-15 Siskiyou Etna Mills Comment
  CAS-BOT-BC391504  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  HSC96416  Aconitum columbianum subsp. columbianum Gordon Leppig, J. Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC61850  Aconitum columbianum subsp. columbianum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1768 Comment
  HSC29438  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou Marble Mtn. Wilderness Area, SE end of Hancock Lake 1936 Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  SBBG1696  Aconogonon davisiae H. and M. Dearing 1939-7-1 3776 Siskiyou Salmon-Etna divide Salmon Mtn 1828 Comment
  UCD77946  Aconogonon davisiae Robert E. Preston 2001-6-23 1594 Siskiyou Klamath National Forest, n-facing ridge of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2103 Comment
  UCD98556  Aconogonon newberryi Collector unknown Date unknown s.n. Siskiyou location unknown. Comment
  SEINET10928998  Actaea rubra H. E. Brown 1897-8-1 Brown 583 Siskiyou 1524 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  UC1026513  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along rd. just e. Montague Comment
  CHSC114933  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  SBBG39077  Agastache urticifolia C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  SD88459  Agastache urticifolia Darley F. Howe 1972-7-5 Siskiyou 1.4 miles south of Oregon state lines on road to Happy Camp 1646 Comment
  HSC76710  Agastache urticifolia K. T. Stillman 1976-7-14 229 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC883212  Agastache urticifolia Milo S. Baker Siskiyou McCloud River s Mt. Shasta; McCloud River s of Mt. Shasta Comment
  CAS-BOT-BC29457  Ageratina occidentalis Doris K. Kildale 1928-7-1 5326 Siskiyou Forks of Salmon RIver Comment
  CHSC286  Ageratina occidentalis K. Jaekel 1939-7-14 Siskiyou Mt. Shasta. 1767 Comment
  HSC79317  Ageratina occidentalis D. H. Norris 1970-5-23 12240 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  CAS-BOT-BC29456  Ageratina occidentalis Doris K. Kildale 1928-8-18 6414 Siskiyou North Fork Salmon River at Trinity Camp Comment
  RSA45346  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1220 Comment
  HSC22431  Agoseris aurantiaca J. O. Sawyer 1969-7-18 1432 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC21389  Agoseris aurantiaca var. aurantiaca Wm. Bridge Cooke 1939-7-26 13638 Siskiyou Near the lower portion of the Panther Creek meadow area 2286 Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15376  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  CAS-BOT-BC15377  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  CAS-BOT-BC22776  Agoseris heterophylla George Dexter Butler 1910-5-23 1402 Siskiyou Near Yreka Comment
  CAS-BOT-BC22777  Agoseris heterophylla George Dexter Butler 1910-4-12 1213 Siskiyou Oro Fino Comment
  CAS-BOT-BC13471  Agoseris retrorsa L. E. Smith 1913-5-27 287 Siskiyou Weed Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  UC203919  Agrostis alba Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC126986  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Klamath Forest. Little Smoky Creek. 1280 Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  HSC39666  Agrostis exarata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5733 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  UC161517  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UCD52132  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC138930  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 2072 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC70732  Agrostis pallens Ruby Van Deventer 1955-8-1 Siskiyou Forest Service Road 17N04 Comment
  UC1265419  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou along trail to Tom Taylor Cabin before it enters the woods Tom Taylor Cabin; Salmon Mountains, Marble Mountain Wilderness Area, Crapo Mea 2072 Comment
  UC814987  Agrostis pallens Louis C. Wheeler 1934-8-14 3134 Siskiyou meadow on n side Siskiyou Mountains, White Mt. 1767 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  RSA238412  Agrostis variabilis Frederick W. Oettinger 1969-9-4 1632 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  HSC65376  Aira caryophyllea J. P. Smith 1973-5-5 6550 Siskiyou Scott Bar along Scott River Comment
Read comments
Jan 31 2012
  UCD55774  Aira caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mts. Horse Creek. 762 Comment
  JEPS117468  Alisma plantago-aquatica Lowell Ahart, John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) 716 Comment
  POM110212  Allium amplectens Geo D. Butler s.n. Siskiyou Yreka. Comment
  UC15013  Allium bolanderi Harley P. Chandler June, 1901 1724 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  UC164023  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  RSA120497  Allium campanulatum S. S. Tillett 1956-7-11 698 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC94475  Allium falcifolium R. C. Wenk 2005-7-19 344 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 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
  SEINET10839450  Allium falcifolium Mary Susan Taylor 1980-7-8 Taylor 3111 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  UC722291  Allium siskiyouense C. L. Hitchcock, J. S. Martin 1939-7-9 5319 Siskiyou between King's Castle and Black Mts. (w side of ridge) 1828 Comment
  HSC540  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  CAS-BOT-BC478030  Allium validum Doris K. Kildale 1928-8-19 6545 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  CAS-BOT-BC169636  Alnus rhombifolia Alice Eastwood 1921-7-30 11010 Siskiyou Shasta Springs, along river Comment
  CAS-BOT-BC169650  Alnus rhombifolia H. A. Thomas; J. H. Thomas 1954-6-22 4447 c Siskiyou Salmon - Trinity Mountains. About 6 mi SE of Cecilville. Between Rushand Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 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
  CAS-BOT-BC142875  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1912-7-21 1270 Siskiyou Sisson Comment
  HSC18539  Amelanchier pallida R. C. Wunner 1965-8-21 466 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  HSC29362  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  RSA78845  Amelanchier pallida Philip A. Munz 1952-7-2 17892 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC136883  Amelanchier utahensis T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1432 Comment
  CAS-BOT-BC136919  Amelanchier utahensis A. A. Heller 1920-6-27 13396 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UCSB23230  Amelanchier utahensis Keefe, Joseph 1967-7-11 Siskiyou along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  CHSC86660  Amsinckia menziesii Jenny Marr 1993-7-1 43 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  CAS-BOT-BC45205  Anaphalis margaritacea William Bridge Cooke 1939-7-10 13863 Siskiyou Mount Shasta. West bank of Mud Creek Canyon. 2133 Comment
  CDA39676  Androsace elongata subsp. acuta J. T. Howell 1980-4-3 s.n. Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 Comment
  CAS-BOT-BC391799  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  SEINET3158790  Anemone drummondii G. D. Butler 1910-7-8 1683 Siskiyou Marble mountain 1676 Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC391939  Anemone multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  UC165939  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  JEPS60509  Anemone occidentalis W. L. Jepson 1907-7-6 2852 Siskiyou rocky ridge near Cudahay Valley; Marble Mt. region Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  CHSC30108  Anemone oregana M. S. Taylor 1980-6-4 2779 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  CDA38220  Angelica tomentosa T. R. Haig & F. D. Horn 1977-8-16 s.n. Siskiyou Along Grizzly Creek, west of Callahan. 0 Comment
  UCD127192  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  JEPS33938  Antennaria argentea George D. Butler 1909-5-9 700 Siskiyou Yreka Comment
  JEPS33953  Antennaria argentea George D. Butler 1908-6-29 334 Siskiyou Oro Fino Comment
  UC585071  Antennaria argentea E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1889 Siskiyou about 2 mi s Yreka 822 Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  SEINET2033733  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  HSC68513  Antennaria howellii Maralyn A. Renner 1980-6-26 1079 Siskiyou N edge of Flint Valley 1390 Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 Comment
  CAS-BOT-BC77345  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS20904  Antennaria media Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta Comment
Read comments
Jan 23 2011
  RSA607256  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
Read comments
Jul 18 2011
  RSA416694  Antennaria racemosa M. B. Dunkle 1944-7-3 9071 Siskiyou Siskiyou Mts. Beaver Crk. 1677 Comment
  SFV5166  Antennaria rosea B. C. Templeton 1960-6-21 8550 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC725670  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch Comment
  HSC3206  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek 1067 Comment
  JEPS49785  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14619 Siskiyou Sisson region of Upper Sacramento, Sisson Comment
  UC1096780  Apocynum androsaemifolium Barbe 1957-7-13 381 Siskiyou w. slope along path to spring w. of Big Flat Public Camp; Klamath Nat'l Forest 1524 Comment
  UC1713779  Apocynum androsaemifolium Dr. E. B. Copeland 1903-7-7 3544 Siskiyou Hornbrook Comment
  RSA403113  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1964-6-10 10071 Siskiyou South of Mt. Shasta on Hwy. 5 Comment
  CAS-BOT-BC394978  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC407125  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  HSC22427  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-24 1490 Siskiyou SW of Sugar Lake 1890 Comment
  HSC77000  Aquilegia formosa var. formosa K. T. Stillman 1976-6-25 88 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  CHSC1431  Aquilegia formosa var. truncata K. Jaekel 1939-6-30 Siskiyou Mt. Shasta 1219 Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  RSA211137  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA0125741  Arabis breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA0126001  Arabis divaricarpa Geo. D. Butler 1910-6-5 1524 Siskiyou Log Lake, Shackleford Creek. Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 Comment
  HSC6569  Arabis rectissima W. L. Jepson 1894-7-24 59 Siskiyou Mt. Shasta region, Muir Peak and Upton Plateau, N of Sisson Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  POM94631  Arabis suffrutescens Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake, Shackleford Creek Comment
  RSA0128839  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek. 1220 Comment
  POM299041  Aralia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near its mouth, 3 miles east of Happy Camp Comment
  RSA239009  Aralia californica Frederick W. Oettinger 1966-7-25 35 Siskiyou Along Timber Gulch Bank, Salmon River District, Klamath National Forest, Cecilville 701 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
  JEPS40132  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  CAS-BOT-BC39981  Arctostaphylos nevadensis Steve Abbors 1980-7-23 s.n. Siskiyou Everitt Memorial Highway, ascending Mt. Shasta. 2286 Comment
  HSC740  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS82470  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC154199  Arctostaphylos nevadensis Harley P. Chandler June 1901 1598 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC46456  Arctostaphylos patula H. P. Bracelin 1936-4-15 830 Siskiyou NE. slope of Mt. Eddy. 3 mi. above Metcalf ranch house, 6 mi. nw. of Mt. Shasta City. 1341 Comment
  CAS-BOT-BC46457  Arctostaphylos patula John Thomas Howell 1939-8-3 15021 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC46468  Arctostaphylos patula C. Hart Merriam 1918-9-20 s.n. Siskiyou Happy Camp, Klamath Canyon. Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  CAS-BOT-BC46484  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cook & Green Pass. 1371 Comment
  CAS-BOT-BC46499  Arctostaphylos patula Alice Eastwood 1923-5-23 11907 Siskiyou Near Cantara. Comment
  UCSB15822  Arctostaphylos patula Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET11988199  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou between Horsetail & Cook & Green Pass 1341 Comment
  UC1409373  Arenaria congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou vicinity English Peak (Trail break on Crapo Peak ridge.); Salmon Mountains, Marble Mountains Wilderness Area, The High 2194 Comment
  POM253575  Arenaria congesta var. crassula C. L. Hitchcock 1939-7-9 5324 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  HSC29302  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  CDA10114  Arnica chamissonis subsp. foliosa T. C. Fuller 1960-6-3 4615 Siskiyou Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  CHSC110956  Arnica dealbata B. Castro; L. P. Janeway 2007-7-29 1667 Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  HSC44724  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-18 2905 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  RSA237422  Arnica latifolia Frederick W. Oettinger 1967-7-30 220 Siskiyou Near the campsite at the N end of Abbotts lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA237463  Arnica mollis Frederick W. Oettinger 1969-8-6 1251 Siskiyou Along the steep narrow, bedrock gorge below Tom's Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
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Jun 12 2012
  SBBG7592  Arnica mollis H. and M. Dearing 1948-9-12 6735 Siskiyou Mt Shasta 2316 Comment
  UC1188087  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows (along small stream) Mt. Shasta, Panther Meadows 2286 Comment
  CAS-BOT-BC90083  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mount Shasta Comment
  SEINET5712646  Artemisia arbuscula J. M. Tucker, L. K. Mann 1963-1 3764 Siskiyou Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain) Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2103 Comment
  CHSC72223  Artemisia biennis Vernon H. Oswald; Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  SEINET215202  Artemisia campestris J. M. Tucker, Sandra L. Holloway 1963-8-18 3750 Siskiyou On decomposed marble scree, southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2134 Comment
  HSC27231  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4798 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC710445  Artemisia michauxiana John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  UCR37828  Artemisia norvegica subsp. saxatilis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area [Kings Castle], Scott Bar 15' Q. 2141 Comment
  SEINET7239372 Image available Artemisia tridentata G. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  UC166157  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  HSC68403  Aruncus dioicus var. acuminatus Maralyn A. Renner 1980-7-4 1383 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  UC12125  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC400588  Asarum caudatum Alice Eastwood 1923-5-18 11853 Siskiyou Shasta Springs Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  UC727045  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalfs Comment
  SBBG30592  Asclepias cordifolia D. Myrick 1968-6-27 2041 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  UC164149  Asclepias speciosa Geo. D. Butler 1908-8-13 1019 Siskiyou near Yreka Comment
  SEINET10946901  Asclepias speciosa George D. Butler 1910-6-8 Butler 1557 Siskiyou Dry land near Yreka Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  SEINET10757880  Aster brickellioides Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  RSA770803  Aster oregonensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  JEPS116602  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1090 Comment
  JEPS54792  Astragalus purshii E. B. Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  RSA110925  Astragalus purshii var. tinctus R. C. Barneby 1954-5-15 11501 Siskiyou 3 miles N of Edgewood. 1204 Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  CAS-BOT-BC198718  Astragalus whitneyi var. siskiyouensis L. E. Smith 1913-7-2 448 Siskiyou Rainbow Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  UCSB11069  Asyneuma prenanthoides Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scott's Bar Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  UC1191369  Atriplex truncata Verne Grant and Irving Schneider 1947-8-26 8301 Siskiyou alkali flats by Interstate Highway (Lower Klamath Lake); Lower Klamath Lake Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC1191424  Bassia hyssopifolia Verne Grant and Irving Schneider 1947-8-25 8280 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  CAS-BOT-BC75725  Berberis nervosa Doris K. Kildale 1929-7-21 8744 Siskiyou Elk Lick, South Fork of Indian Creek. 1219 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  OBI20531  Berberis nervosa H. E. McMinn 1932-6-27 2532 Siskiyou Serad Valley to Clear Crk, Klamath River Comment
  CAS-BOT-BC76008  Berberis pumila Doris K. Kildale 1929-7-20 8534 Siskiyou Trail to Elk Lick, south Fork of Indian Creek. Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CAS-BOT-BC169475  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  CAS-BOT-BC102119  Bidens cernua A. A. Heller 1914-8-25 11718 Siskiyou Granite sand near Deetz station opposite Black Butte 1158 Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC127934  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  HSC34009  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC14136  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-6 5322 Siskiyou Marble Mountains. 0.5 mile southeast of King's Castle. 1828 Comment
  JEPS93825  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1998-6-11 9179 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC14414  Boechera platysperma G. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. 1219 Comment
  UC455728  Boechera platysperma I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  RSA0126102  Boechera pratincola C. L. Hitchcock, J. S. Martin 1939-7-9 5308 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  JEPS53084  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  SEINET3166091  Boechera retrofracta P. J. Alexander 2008-7-24 872 -A Siskiyou On the Pacific Crest Trail on the N side of Lilypad Lake, +-0.45 miles S of Red Butte, +-5.75 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1783 Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  SEINET10500399  Boschniakia strobilacea Mary Susan Taylor 1980-6-23 Taylor 2944 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  HSC62621  Botrychium multifidum Ruby Van Deventer 1957-8-4 Siskiyou Youngs Valley 1768 Comment
  CAS-BOT-BC418453  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou Along Thompson Creek, 3.5 mi. Above S Fork of Salmon River 1371 Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC101473  Boykinia major J. P. Smith, J. O. Sawyer 2011-7-21 13039 Siskiyou Near Dillon Camp 1358 Comment
  RSA211104  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  CAS-BOT-BC100470  Brickellia californica Carl B. Wolf 1927-8-26 1005 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS111015  Brickellia grandiflora J. K. Nelson with J. R. and Soren Nelson 2004-8-29 2004 -96 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  UC894192  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  JEPS16950  Brickellia greenei Peter H. Raven 1956-9-5 10462 Siskiyou Fork of the Sacramento River 1828 Comment
  CAS-BOT-BC484383  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou Mountain View Ranch 960 Comment
  RSA603847  Bromus berteroanus L. C. Wheeler 1935-5-11 3486 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  CDA31573  Bromus carinatus H. D. Bowers 1963-5-1 Siskiyou Mt Shasta Area, near Hwy 99 0 Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  CAS-BOT-BC148797  Bromus carinatus var. marginatus Alice Eastwood 1921-7-28 10933 Siskiyou Medicine Lake. 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
  CAS-BOT-BC155960  Bromus commutatus John Thomas Howell 1952-6-14 28350 Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  HSC103038  Bromus commutatus J. P. Smith 2014-6-7 13896 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  SEINET10900337  Bromus japonicus var. porrectus Louis C. Wheeler 1935-7-13 Wheeler 3661 Siskiyou Damp sunny creek bank. Ager. 792 Comment
  CAS-BOT-BC162134  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  CAS-BOT-BC185595  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 A Siskiyou French Creek Logging Road west of Callahan. 1219 Comment
  CHSC91335  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
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  CAS-BOT-BC185383  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  UC166058  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  SEINET7379693 Image available Cacaliopsis nardosmia G. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountains Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  CHSC36415  Calamagrostis koelerioides Donald M. Burk 1981-7-26 65 Siskiyou East side of Castle Lake. 1706 Comment
  RSA239131  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC65409  Callitropsis nootkatensis Rich White 1978-7-3 204 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC85736  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1066 Comment
  CAS-BOT-BC132246  Calochortus A. M. Vollmer 1951-5-31 12 Siskiyou Near highway, Scott Mountain Comment
  UC13822  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC375199  Calochortus elegans Geo. D. Butler 1908-8-6 114 Siskiyou divide between Wooley Creek and Independence Creek Comment
  RSA17447  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sissons. Comment
  RSA261444  Calochortus elegans var. nanus J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-7-7 3712 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC488616  Calochortus elegans var. nanus Ellsworth Bethal 1923-5-22 s.n. Siskiyou McCloud Comment
  RSA0000313  Calochortus elegans var. oreophilus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  UC60900  Calochortus macrocarpus Mrs. E. A. Wilson 1902-7-2 Siskiyou Sheep Rock Mount Shasta Comment
  JEPS77489  Calochortus nudus Susan Horner 1978-1 421 Siskiyou 1 mi s Sheepheaven Spring (private meadow along Sheepheaven Creek, about 4.5 mi n of Bartle); Sheepheaven Creek 1402 Comment
  CAS-BOT-BC493099  Calochortus nudus Eastwood; Miss E. Cannon 1895-6-17 s.n. Siskiyou Shasta Comment
  RSA211389  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  SEINET3885346  Calochortus persistens Marion Ownbey, Sherman J. Preece 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka.; 0 Comment
  UCR47369  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Capground near Seiad Valley 488 Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  CAS-BOT-BC181520  Caltha leptosepala John Thomas Howell 1939-8-10 15276 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  UCD95573  Caltha leptosepala John M. Tucker; D. V. Hemphill 1974-7-27 4308 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  UC165316  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou near Greenview Comment
  CAS-BOT-BC272745  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  SEINET10462932  Campanula prenanthoides Clifton 1979-4-28 CLIFTON 3466 Siskiyou NR SCOTT R., SEIAD V. QUAD. NR SCOTT BAR 1601', Comment
  SEINET191600 Image available Campanula prenanthoides Marion Ownbey, Fred G Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts NW of Hornbrook. Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  SEINET10463065  Campanula prenanthoides Van Deventer VAN DEVENTER s.n. Siskiyou PRESTON PEAK QUAD, YOUNGS VALLEY. T17N R5E SECS 9, 10 & 16 Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463226  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-15 Smith, Jr. 4340 Siskiyou KLAMATH NATL FOR., RD TO HAPPY CAMP MIXED CONIFEROUS FOREST. T18N R7W SEC 25 NW 1/4 732 Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  UCD66985  Campanula rotundifolia Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2255 Comment
  RSA22036  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  SEINET10972125  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou Mount shasta 2134 Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  JEPS25570  Cardamine bellidifolia var. pachyphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7195 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (southwestern slopes Mt. Shasta); , above Mt. Shasta Ski Bowl Lo 2834 Comment
  POM95843  Cardamine californica var. integrifolia Geo. D. Butler 1910-6-4 1487 Siskiyou Shackleford Creek Comment
  RSA237262  Cardamine californica var. integrifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1247 Siskiyou Below Pine Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC922349  Cardamine cordifolia var. lyallii Annie M. Alexander and Louise Kellogg 1949-7-24 5856 Siskiyou trail to Bear Lake (Paradise Lake); Marble Mountains, , trail to Bear Lake 1920 Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  CDA3667  Cardaria chalepensis E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  RSA275287  Carex amplifolia J. P. Smith, J. O. Sawyer, Maralyn O Meara 1972-7-4 5730 Siskiyou 0.9 miles south of Sugar Creek on Parrott Mill Road 1341 Comment
  HSC39846  Carex bolanderi J. O. Sawyer 1969-7-26 1574 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  SEINET10706563  Carex bolanderi A. Arthur Heller 1905-6-13 Heller 8025 Siskiyou Near Shasta Springs. Comment
  SEINET7552631 Image available Carex bolanderi Barbara Wilson 1994-5-27 6921 Siskiyou Rogue River National Forest; near parking area for the New London Trailhead, between Road 1050 (Elliott Creek Road) and the creek Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  HSC41809  Carex breweri Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC823366  Carex breweri A. A. Heller 1922-7-3 13679 Siskiyou Mount Eddy above the head of Wagon Creek 2560 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC34381  Carex cusickii Elmer I. Applegate 1895-5-28 781 Siskiyou Sisson, Strawberry Valley. Comment
  HSC79088  Carex diandra L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  SEINET7557949 Image available Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-7 2333 Siskiyou Shasta National Forest, E of China Mountain, beside a trail from Deadfall Creek Meadows to Stewart Springs. 1890 Comment
  CHSC107148  Carex feta R. E. Brainerd 2009-7-22 1555 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS25916  Carex feta W. L. Jepson 1894-8-4 53 a Siskiyou Mt. Shasta Comment
  HSC33307  Carex fracta William J. Ferlatte 1974-7-15 1535 Siskiyou Yellow Rose Mine Trail 1555 Comment
  CHSC90366  Carex geyeri Martin J. Lenz 2004-7-2 223 Siskiyou Miller Mtn.; approx. 2.6 mi. (4.2 km) 319 degree T from Herd Peak. UTM: 10 561352 E 4611707 N. 1797 Comment
  HSC89763  Carex halliana D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
Read comments
Sep 21 2012
  SEINET11309837 Image available Carex hassei Unknown 2009-1 24535 Siskiyou Near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR). Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  HSC29640  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, near Upper English Lake 1677 Comment
  CAS-BOT-BC31306  Carex lenticularis var. impressa Annetta Mary Carter 1939-8-20 1461 Siskiyou NW side of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. 2026 Comment
  CAS-BOT-BC31307  Carex lenticularis var. impressa Doris K. Kildale 1929-7-20 8672 Siskiyou Raspberry Lake, South fork of Indian Creek. 1828 Comment
  HSC81977  Carex lenticularis var. impressa Thomas W. Nelson, Jane Nelson 1979-6-16 4862 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET7564598 Image available Carex lenticularis var. impressa L. P. Janeway 2003-8-9 7957 Siskiyou Klamath Ranges. Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. Kangaroo Mtn 7.5' quad. 1664 Comment
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC37422  Carex leptopoda J. O. Sawyer 1968-7-10 493 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC73328  Carex leptopoda Gail Newton 1980-6-20 490 Siskiyou Near Bald Mtn. 1097 Comment
  HSC39300  Carex luzulina J. O. Sawyer 1969-7-18 1417 Siskiyou Head of S Russian Creek 1829 Comment
  HSC76393  Carex luzulina L. P. Janeway 1982-8-15 143 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  UC1598403  Carex luzulina var. luzulina Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4456 Siskiyou Panther Meadow on s side of mountain Shasta National Forest, Mt. Shasta Comment
  SEINET7966806 Image available Carex mariposana A. A. Heller 2016-7-20 12468 Siskiyou near Wagon Creek Falls, E side of Mount Eddy Comment
  HSC82005  Carex mendocinensis Thomas W. Nelson, Jane Nelson 1979-6-16 4847 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  HSC77204  Carex mertensii L. P. Janeway 1983-8-13 529 Siskiyou S side and above S Fork Indian Creek 1433 Comment
  CAS-BOT-BC32014  Carex multicaulis R. E. Frenkel 1964-7-14 696 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 4.7 mi N of McCloud River RR crossing. 1545 Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  SEINET10713499  Carex multicaulis A. Arthur Heller 1922-7-3 Heller 13675 Siskiyou Dry gravelly slope on Mt. Eddy south of Wagon creek in the Canadian zone. 2225 Comment
  HSC48022  Carex multicostata D. H. Norris 1972-6-12 22917 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UCR45816  Carex nudata L. P. Janeway 1983-7-30 461 Siskiyou Condrey Mtn. Q., North side of Klamath River at the Walker Bridge 518 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  SEINET10817663  Carex pachystachya Lawrence P. Janeway 1983-6-25 Janeway 327 Siskiyou Happy Camp quad. T18N, R6E, SE1/4 of sec. 23. Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. Serpentine; mixed conifer forest. 671 Comment
  CAS-BOT-BC118935  Carex pellita Elmer Ivan Applegate 1895-5-28 3304 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC118928  Carex pellita David Daniels Keck 1949-7-20 6366 Siskiyou Meadow's drainage channel below the Darlingtonia swamp, Scott Mt, summit 5360' Comment
  RSA715932  Carex praegracilis L. Ahart, John Dittes 2005-6-10 12108 Siskiyou 30yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  HSC67755  Carex rossii J. O. Sawyer, J. Cole 1980-7-19 3686 Siskiyou Near FS Rd. 45N05 2018 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  HSC30526  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC117259  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2286 Comment
  HSC39814  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  RSA238931  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA238964  Carex spectabilis Frederick W. Oettinger 1969-9-4 1659 Siskiyou Tom s lower pond near Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS40878  Carex straminiformis Paul C. Hutchison 1962-8-2 929 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 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-BC115841  Carex subfusca Elmer Ivan Applegate 1895-5-28 780 Siskiyou Sisson, Strawberry Valley. Comment
  JEPS84065  Carex subfusca L. R. Heckard with J. Hickman et al. 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET13260545  Carex subfusca P. E. Hyatt 2002-7-31 11135 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  SEINET3522873 Image available Castanopsis sempervirens James Montgomery 1969-7-24 80920 a Siskiyou Open south facing hillside, 8 miles east of Mt. Shasta (town) on Ski Bowl Road. 1737 Comment
  JEPS5215  Castilleja angustifolia Geo. D. Butler 1904-5-23 759 Siskiyou near Yreka Comment
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  JEPS25847  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7473 Siskiyou 3 mi ne Calif. Hwy. 96 crossing of Swillup Creek (roadbank above Calif Hwy 96, opposite King Creek, Klamath River canyon) 334 Comment
  POM298035  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalfe Ranch, n.e. of Mt. Eddy. 1189 Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC1238992  Castilleja applegatei subsp. pinetorum Freed W. Hoffman 1948-7-8 2587 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  UC642564  Castilleja applegatei subsp. pinetorum Alice Eastwood 1939-7-14 13693 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  RSA425928  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-6-26 9046 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC243745  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243768  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  UC1561055  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave (Medicine Lake highland); Upper Modoc Plateau 1798 Comment
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  RSA233657  Castilleja arachnoidea Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39007 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2378 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  RSA142601  Castilleja arachnoidea subsp. shastensis P. A. Munz 1960-8-22 24186 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  JEPS4511  Castilleja lacera Geo. D. Butler 1909-5-8 715 Siskiyou near Yreka; Butcher Hill Comment
  CAS-BOT-BC253612  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4533 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC254107  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou at edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC26483  Castilleja pruinosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  POM256803  Castilleja psittacina D. D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake. 1524 Comment
  CAS-BOT-BC241080  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  JEPS82333  Ceanothus cuneatus var. cuneatus Roger Raiche 1983-8-14 30616 Siskiyou near suumit of rd to Mt. Eddy (rd to Dead Fall Meadow) Comment
  UC1037444  Ceanothus cuneatus var. cuneatus Douglas Barbe 1955-6-28 14 Siskiyou 0.4 mi n, Callahan; Klamath Mts. 1005 Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  HSC101755  Ceanothus integerrimus var. macrothyrsus J. P. Smith, J. O. Sawyer 2011-9-3 13403 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CAS-BOT-BC52114  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou Weed Comment
  UC164315  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  UCD13257  Ceanothus prostratus K. F. Mawdsley 1996-7-9 11 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  UC1076021  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou on Scott Mountain road five mi s Callahan; s of Callahan Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC52850  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  CAS-BOT-BC52805  Ceanothus velutinus var. velutinus Fred Klein 1969-9-7 s.n. Siskiyou Southwest face of Mt. Shasta 1524 Comment
  CDA7267  Centaurea maculosa J. Shaw, B. Ruddiman 1974-7-16 Siskiyou Interstate 5 southbound, approximately six miles north of Weed. 0 Comment
  CAS-BOT-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville Comment
  OBI54096  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  RSA381928  Cephalanthera austiniae M. B. Dunkle 1944-7-18 9140 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  HSC68106  Cerastium fontanum subsp. vulgare J. P. Smith 1973-5-5 6499 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC388236  Cerastium glomeratum Wm. Bridge Cooke 1938-7-29 11412 Siskiyou Mount Shasta. Above Bear Springs Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  UC75405  Cercocarpus betuloides var. macrourus Copeland 1903-7-14 3504 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  LA47795  Cercocarpus ledifolius Louis C. Wheeler; 1934-9-5 3246 Siskiyou Siskiyou Mountains, Summit of Sterling Mt Comment
  HSC27460  Cercocarpus montanus var. macrourus J. P. Smith, J. O. Sawyer 1972-5-28 5385 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  RSA17744  Chaenactis carphoclinia Elmer I. Applegate 1935-6-8 9450 a Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  SD88331  Chaenactis douglasii var. achilleifolia Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 1220 Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC276777  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  CAS-BOT-BC106042  Chaenactis suffrutescens L. E. Smith 1913-6-12 357 Siskiyou Road from Sisson to Castle Lake Comment
  RSA608267  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley. 884 Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  HSC18589  Chamaebatiaria millefolium R. C. Wunner 1965-7-9 355 Siskiyou California Lava Beds National Monument; 60 yds. from Black Crater Trail jct. on trail to Hardin Butte Trail 1341 Comment
  CAS-BOT-BC85665  Chamaecyparis lawsoniana Doris K. Kildale 1929-7-20 8682 Siskiyou Raspberry Lake, upper Indian Creek Trail 1981 Comment
  SEINET3863161 Image available Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath Nat'l forest; road to Happy Camp; mixed coniferous forest.; 0 732 Comment
  HSC68061  Chamaesyce serpyllifolia J. P. Smith, Steve Selva 1970-7-17 4420 Siskiyou Along Klamath River. Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  RSA13709  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  RSA760928  Cheilanthes gracillima R. F. Thorne, Frederick W. Oettinger 1969-8-4 63382 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  UC399623  Cheilanthes gracillima H. M. Hall 1909-7-28 8647 Siskiyou head of Salmon River 1645 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  JEPS59739  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou near Yreka; Butler's Ranch Comment
  UC456182  Chimaphila umbellata I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  CAS-BOT-BC498814  Chlorogalum pomeridianum Doris K. Kildale 1929-7-20 8651 Siskiyou trail up South Fork Indian Creek to Elk Lick. Comment
  CDA3726  Chorispora tenella F. Wallier 1961-5-16 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  CAS-BOT-BC252661  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek adn Deadman Gulch, Siskiyoui Mts. 670 Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC36201  Chrysolepis sempervirens Alice Eastwood 1921-7-28 10892 Siskiyou Little Mt. Hoffman Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  RSA68860  Chrysolepis sempervirens A. E. Culbertson 1943-7-2 96 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600' eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  HSC5345  Chrysothamnus viscidiflorus subsp. viscidiflorus R. C. Wunner 1965-9-9 515 Siskiyou California Lava Beds National Monument; Indian Well area near N prefab 1433 Comment
  UC165412  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goose Nest foothills Goose Nest 1524 Comment
  SEINET8734907 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-1 41427 Siskiyou Dorris 1307 Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 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
  UC643320  Cicuta maculata var. angustifolia W. Bridge Cooke 1940-7-12 15314 Siskiyou near Mount Shasta City (in the Box Canyon of the Sacramento River); Sacramento River, Box Canyon 914 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC922409  Circaea alpina subsp. pacifica Annie M. Alexander and Louise Kellogg 1949-7-28 5874 Siskiyou Marble Mts., Sky High Valley 1767 Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  UC336877  Cirsium andersonii unknown 336877 Siskiyou near Sissoon Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  CDA1133  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -A Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CDA1138  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -C Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  CAS-BOT-BC278051  Cirsium cymosum T. C. Fuller 1960-6-29 4644 Siskiyou Scott Mtn. road, 3.6 miles S/Callahan Comment
  CDA35789  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  UC398705  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou just n of Shasta City (near Deetz, Strawberry Valley is the old name for the region about Shasta City, type collected in the Strawberry Valley near Mount Shasta Brewer); Strawberry Valley Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  CDA1273  Cirsium inamoenum T. R. Haig, F. D. Horn 1979-9-2 s.n. Siskiyou Goosenest Rd., 14 km NE of Tennant. 0 Comment
  SFV5116  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s. n. Siskiyou North of Yreka. Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC77095  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  OBI54113  Cirsium remotifolium var. odontolepis David J. Keil, Kathleen Keil and Mary Faustini 1990-7-28 s.n. Siskiyou Klamath NF. Marble Mtn Wilderness. Rye Crk trl Comment
  CAS-BOT-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA120892  Clarkia cylindrica subsp. cylindrica Milo S. Baker 1957-6-16 15156 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  UC164341  Clarkia lassenensis Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  SEINET10674957 Image available Claytonia bulbifera Edward L. Greene 1876-8-22 Greene 1008 Siskiyou On Scott Mountain. Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  CAS-BOT-BC439141  Claytonia exigua subsp. exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53412 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC439627  Claytonia parviflora subsp. parviflora J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CAS-BOT-BC443830  Claytonia rubra subsp. rubra Alice Eastwood; John Thomas Howell 1934-4-20 1745 Siskiyou Near Yreka on Ft. Jones road 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
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  RSA232527  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps. 1463 Comment
  CAS-BOT-BC92765  Clematis ligusticifolia Elmer I. Applegate 1923-9-6 3974 Siskiyou Klamath River, mouth of Doggett Creek. Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  UC857658  Cleome platycarpa L. E. Smith Jul 1912 Siskiyou Montague Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  HSC19260  Clintonia uniflora J. O. Sawyer 1968-9-13 724 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  UCD123561  Collinsia linearis John M. Tucker; L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  RSA411151  Collomia grandiflora L. C. Wheeler 1934-6-25 2777 Siskiyou West Fork, Cottonwood Creek. Siskiyou Mts. 1159 Comment
  UC637122  Collomia grandiflora Edward Lee 1934-8-14 1110 Siskiyou w-facing rocky slope below summit (Siskiyou-Del Norte County line); Little Grayback 1767 Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 Comment
  SD143502  Collomia grandiflora D. H. Wilken 1974-7-4 12129 Siskiyou Along Mill Creek, 3.6 miles west of Etna. Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  HSC45994  Collomia heterophylla J. P. Smith 1973-5-5 6430 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  SBBG30599  Collomia tinctoria D. Myrick 1968-6-25 2023 a Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC643296  Collomia tinctoria W. Bridge Cooke 1940-7-26 15366 Siskiyou in woods and openings on banks of canyon Mount Shasta, Diller Canyon 1524 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  UC6123  Comandra umbellata subsp. californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upper Sacramento Region, Shasta Region Upper Sacramento Region; , Shasta Region Comment
  UC6131  Comandra umbellata subsp. californica C. B. Bradley 1879-1 Siskiyou Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  CHSC105575  Cordylanthus tenuis subsp. tenuis 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, a few along the road and most in a clearing north of and visible from the road. Lat. and Long. indicated +/- 33 feet. 996 Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19033  Cornus canadensis J. O. Sawyer 1969-7-9 1113 Siskiyou NW facing lower slope above Duck Lake Creek. 1909 Comment
  HSC65097  Cornus nuttallii J. P. Smith 1973-5-5 6466 Siskiyou Along Cook and Green Pass Rd. Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  UC796577  Cornus nuttallii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11748 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  CAS-BOT-BC212067  Cornus nuttallii Donald Myrick 1961-6-21 300 Siskiyou In deep woods on Deer Camp Road above Oak Knoll Ranger Statoin on Klamath River 19 miles west of Highway 99 1371 Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  UCD117302  Cornus sericea Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 609 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California -- Oregon state line. Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  SEINET8527410  Cornus sericea subsp. occidentalis G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek. Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  UC1585410  Corylus californica R. Raiche, K. Zadnik, and H. Forbes Feb 1989 UCBG 36 Siskiyou SW of Little Medicine Mt., Elk Valley, near Del Norte Co. line 1325 Comment
  HSC76954  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area. Comment
  UC346589  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  UC166587  Crepis intermedia Geo. D. Butler 1910-6-26 1607 Siskiyou near Yreka Comment
  HSC5449  Crepis intermedia R. C. Wunner 1965-6-22 258 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  JEPS874  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  POM356384  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS25598  Cryptantha torreyana Rimo Bacigalupi 1959-7-2 7230 Siskiyou near n base of Caribou Mtn. (headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  RSA47775  Cryptantha torreyana Roxana S. Ferris, Laura Lorraine 1948-6-12 11853 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC27334  Cryptogramma acrostichoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5710 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  JEPS24793  Cryptogramma acrostichoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6802 Siskiyou shore of Castle Lake (headwater of Sacramento River) 1661 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  CAS-BOT-BC85603  Cupressus bakeri Malcom P. Anderson 1902-2-16 s.n. Siskiyou Forks of Seiad Creek, Siskiyou Mts. Comment
  RSA176219  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA22775  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  POM120002  Cupressus bakeri Geo D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills 1220 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  HSC77760  Cuscuta suksdorfii L. P. Janeway 1983-8-16 547 Siskiyou Poker Flat 1524 Comment
  HSC22481  Cynoglossum occidentale J. O. Sawyer 1969-8-3 1790 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC190351  Cynosurus echinatus D. E. Breedlove 1962-6-10 3334 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  JEPS45924  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Siskiyou Mountains, Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mountains, Klamath River 670 Comment
  RSA610958  Cyperus erythrorhizos L. C. Wheeler 1935-7-20 3673 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  HSC7266  Cyperus squarrosus C. B. Wolf 1927-8-26 993 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  CAS-BOT-BC70711  Cystopteris fragilis Doris K. Kildale 1928-7-2 5400 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CDA18395  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou Klamath Ranges; North side of the river, north side of road 2 miles (3.2 km) east of Callahan at Hwy 3 bridge over the East Fork Scott River. 987 Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC1333339  Cystopteris fragilis Dorothy Parker 1949-8-3 359 Siskiyou near Paradise Lake Salmon Mt.; Siskiyou Mts. 1981 Comment
  CAS-BOT-BC192258  Danthonia californica L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC62459  Danthonia californica Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC73276  Danthonia californica Gail Newton 1980-6-20 473 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  HSC76916  Danthonia unispicata K. T. Stillman 1976-6-26 128 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
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Mar 22 2012
  CAS-BOT-BC192355  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mountain South of Calahan [Callahan] Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC673201  Darmera peltata Lincoln Constance and Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Portuguese Creek, 4 miles east of Thompson Creek. 457 Comment
  CAS-BOT-BC141835  Dasiphora fruticosa L. E. Smith 1913-9-1 553 Siskiyou Mt. Eddy Comment
  HSC19077  Delphinium andersonii J. O. Sawyer 1969-6-2 1017 Siskiyou Summit above Albert Lake 2256 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  HSC61772  Delphinium glaucum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC118070  Delphinium nuttallianum George Dexter Butler 1910-3-24 1142 Siskiyou Shasta River Hills Comment
  HSC27303  Delphinium nuttallianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5695 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC166147  Delphinium nuttallianum Geo. D. Butler 1901-6-22 901 Siskiyou Goosenest foothills Comment
  UC54272  Delphinium nuttallianum H. M. Hall and E. B. Babcock June 1903 4124 Siskiyou near head of McCloud River (se Siskiyou Co.); Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC118067  Delphinium nuttallianum Elmer Ivan Applegate 1895-5-29 937 Siskiyou Sisson Comment
  HSC77020  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Marble Mtn. Wilderness Area, top of Marble Mtn. 2073 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  HSC100336  Deschampsia danthonioides J. P. Smith 2011-7-15 13305 Siskiyou Along the road to Bray, .8 mi. from its junction with Tennant Road. 1419 Comment
  CAS-BOT-BC201933  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  SEINET10524243  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 627 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Dryish, vegetated, northwest edge of the meadow, on the upper side of the road. 1524 Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 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
  HSC19064  Dicentra formosa J. O. Sawyer 1969-7-18 1373 Siskiyou E of Waterdog Lake 2012 Comment
  HSC67584  Dicentra formosa J. P. Smith 1973-5-5 6410 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC629  Dicentra formosa William J. Ferlatte 1966-7-7 218 Siskiyou N side of Caribou Mtn., near Browns Meadow 1982 Comment
  RSA237875  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Just above Willow Springs along the trail between Abott s Upper Cabin and English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1692 Comment
  HSC46046  Dichelostemma multiflorum Maralyn O'Meara 1974-5-25 430 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC164280  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CAS-BOT-BC500992  Dichelostemma multiflorum L. B. Kildale 1930-6-1 9832 Siskiyou Mill Creek near Etna Mills. Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  JEPS94734  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1998-9-8 9611 Siskiyou junction of USFS 3 and 24 2.5 mi w-sw of Hambone Butte (30 air mi n of Burney); junction of USFS 3 and 24 1310 Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  CAS-BOT-BC291005  Dieteria canescens var. shastensis R. E. Frenkel 1964-10-2 900 Siskiyou On Everitt Memorial Hwy., 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 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
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  JEPS100727  Downingia cuspidata Dean W. Taylor 1991-6-12 11897 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS101451  Downingia elegans var. elegans Dean W. Taylor 1999-6-9 17240 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS94786  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9333 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); s side of Tennant Road 1402 Comment
  HSC44783  Draba aureola S. Horner 1977-7-19 209 Siskiyou Siskiyou-Trinity county line Comment
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Jul 7 2020
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UCD113085  Drymocallis glandulosa Lynette Renouf 1992-5-31 24 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along the south fork of the Sacramento River. Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  HSC134  Drymocallis lactea var. lactea William J. Ferlatte 1967-6-30 598 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC159292  Drymocallis lactea var. lactea A. M. Vollmer; L. Beane 1951-5-31 36 Siskiyou Near highway, Scott Mountain Comment
  UC1187074  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  UC650319  Drymocallis rhomboidea Edward Lee 1934-8-14 1114 Siskiyou near summit Little Grayback Peak (Siskiyou-Del Norte County line); Siskiyou Mountains, Little Grayback Peak 1798 Comment
  SEINET7583464 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-15 1387 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  JEPS19409  Eleocharis bella B. C. Goldsmith 1916-9-9 22 Siskiyou Klamath Hot Springs Comment
  HSC91332  Eleocharis decumbens Jennifer Whipple 1978-10-6 2433 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  CAS-BOT-BC213783  Elymus X hansenii Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Above Bear Springs. 1676 Comment
  CHSC6713  Elymus X hansenii B. Anthony 1968-5-12 521 Siskiyou Shasta Valley, 5 miles N. of Weed. Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 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
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC206613  Elymus glaucus subsp. glaucus H. A. Thomas; J. H. Thomas 1954-7-27 4550 Siskiyou About 6 miles SE of Cecilville, south side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE, Salmon-Trinity Mts. 975 Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  CDA2074  Elytrigia intermedia T. C. Fuller 1962-8-3 9498 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CHSC106263  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-7-30 16956 Siskiyou About 30 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  JEPS43909  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside 1 mi n Etna Comment
  UC873494  Epilobium brachycarpum W. Bridge Cooke 1942-9-5 16280 Siskiyou near MacBride Springs; Mt. Shasta 1524 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
  JEPS121600  Epilobium ciliatum Kendra Sikes 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Gently sloping wet meadow on ultramafic soil; W aspect. South China Mountain quadrangle. TF1_A Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  POM259017  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15324 Siskiyou Along Castle Lake road near the Brown-Shasta Ranch 1067 Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  UC637162  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou summit of Happy Camp to Waldo Rd, Klamath National Forest, Indian Creek Watershed 1615 Comment
  JEPS43854  Epilobium hallianum W. L. Jepson 1937-7-30 18549 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat 1584 Comment
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Sep 9 2008
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  RSA237389  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Stream inlet into Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC49657  Epilobium minutum J. P. Smith 1973-5-5 6494 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  POM38545  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou Near Yreka Comment
  CAS-BOT-BC57804  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou Klamath National Forest, Big Flat Public Camp. W. side of Camp. 1524 Comment
  HSC27219  Eragrostis cilianensis J. P. Smith, J. O. Sawyer 1971-9-18 4792 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC204621  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's [Rogers] Creek, Somes Bar Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 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
  LA203672  Ericameria bloomeri Wm. Bridge Cooke; 1939-8-8 13842 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  POM39569  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou Goosenest foothills 1524 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
  CAS-BOT-BC293508  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  UC595102  Erigeron aliceae David D. Keck 1938-8-6 4813 Siskiyou at Del Norte Co. line (summit of Siskiyou Mts., 4 mi s of Oregon line, on road Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1554 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  HSC19165  Erigeron cervinus J. O. Sawyer 1969-7-10 1284 Siskiyou East facing slope above Sugar Lake 2226 Comment
  UC1190272  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1409465  Erigeron cervinus F. W. Oettinger 1968-8-23 608 Siskiyou rock-crevices on Shasta Ridge, se of Diamond Lake; Salmon Mts., English Peak area, Red Fir Forest 2072 Comment
  CHSC86671  Erigeron divergens Jenny Marr 1993-7-1 54 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  HSC5515  Erigeron filifolius R. C. Wunner 1965-6-29 304 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  RSA50155  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts., summit of pass on road from Etna to Sawyer's Pass 1479 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  CAS-BOT-BC295395  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  UC1540159 Image available Erigeron inornatus var. calidipetris Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; (a small vernal depression in an indurate lava flow), margin of pond 1304 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  UC1409451  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou along trail above Willow Springs (between Abbott's Upper Cabin and English Lake, in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains Comment
  JEPS89705  Erigeron klamathensis Dean William Taylor 1972-7-3 1599 Siskiyou at Cook and Green Pass Cook and Green Pass 1371 Comment
  JEPS109830  Erigeron nivalis Dean W. Taylor 2006-8-8 19578 Siskiyou Dry Creek Peak (ridge ca. 12 air miles NE of Mt Shasta summit, at headwaters Antelope Creek 2194 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC1192213  Erigeron pumilus var. intermedius Herbert L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  JEPS57185  Erigeron tener L. R. Heckard 1967-8-13 1689 Siskiyou near summit of Mt. Eddy 2712 Comment
  CAS-BOT-BC224137  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  HSC67523  Eriodictyon californicum J. P. Smith, Steve Selva 1970-6-15 3931 Siskiyou Between Forks of Salmon and Cecilville. Comment
  JEPS57057  Eriogonum compositum var. compositum W. L. Jepson 1937-7-30 18545 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  HSC23647  Eriogonum diclinum J. O. Sawyer 1969-7-2 1028 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  HSC43406  Eriogonum diclinum K. T. Stillman 1976-6-27 148 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  HSC75191  Eriogonum elatum K. T. Stillman 1976-9-9 488 Siskiyou Marble Mtn. Wilderness area Comment
  JEPS24036  Eriogonum elatum var. elatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6900 Siskiyou Poker Flat Siskiyou Mountains, Poker Flat 1536 Comment
  CAS-BOT-BC255733  Eriogonum elatum var. elatum Elmer I. Applegate 1923-9-6 3945 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  RSA215624  Eriogonum elatum var. elatum Gilbert Muth 1969-8-7 1244 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC26560  Eriogonum marifolium J. P. Smith, J. O. Sawyer 1972-8-20 5752 Siskiyou Slope of Mt. Hoffman 2134 Comment
  RSA19311  Eriogonum marifolium L. S. Rose 1937-7-25 37588 Siskiyou South slope of Mt. Shasta. 1768 Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  CAS-BOT-BC271026  Eriogonum nudum var. deductum Isabelle C. Kimber 1934-6-9 3 Siskiyou Mt. Shasta 1219 Comment
  SEINET11262471  Eriogonum nudum var. nudum D. W. McNeal 1978-6-2 2157 Siskiyou Along shoulder of Hwy #96, 6.8 mi s of Happy Camp.; 0 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC269740  Eriogonum nudum var. oblongifolium Alice Eastwood 1912-7-23 1355 Siskiyou Cantara Comment
  UC1483463  Eriogonum nudum var. oblongifolium Maralyn A. Renner 1980-6-23 992 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad., W. Fork Seiad C 877 Comment
  SEINET10924428 Image available Eriogonum nudum var. oblongifolium Edward L. Greene 1876-7-8 Greene 923 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC272493  Eriogonum nudum var. pubiflorum Lewis S. Rose 1945-6-19 45147 Siskiyou Horse Creek & Klamath River 502 Comment
  UC375313  Eriogonum nudum var. pubiflorum Geo. D. Butler 1908-7-5 213 Siskiyou near Yreka Comment
  UC849497  Eriogonum nudum var. pubiflorum Lewis S. Rose 1937-7-26 37601 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  RSA233648  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne, Fred Oettinger 1969-8-10 38984 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC94541  Eriogonum siskiyouense R. C. Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  HSC62449  Eriogonum umbellatum Ruby Van Deventer 1939-7-19 Siskiyou Twin Valley Comment
  CAS-BOT-BC267991  Eriogonum umbellatum var. argus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  JEPS56182  Eriogonum umbellatum var. dumosum J. G. Lemmon 1889-6-28 Siskiyou near Edgewood Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  UC1413439  Eriogonum umbellatum var. goodmanii James L. Reveal, Caroline G. Reveal 1974-8-18 3799 Siskiyou along the road to Bolan Mountain Lookout 1.4 mi e O'Brien-Happy Camp road; Siskiyou Mountains 1645 Comment
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Nov 15 2011
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  HSC17390  Eriogonum vimineum Jerry Parker 1968-10-6 125 Siskiyou Scott Mtn. Rd. Comment
  RSA50139  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mi. from Cecilville on way to Forks of Salmon 716 Comment
  SEINET7073526  Eriophyllum lanatum A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  CAS-BOT-BC301130  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-23 45180 Siskiyou Junction of Shata [Shasta] River & Klamath River 624 Comment
  POM252998  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  SBBG111919  Eriophyllum lanatum var. achilleoides C. Bornstein 1996-6-29 Siskiyou Scott Valley Overlook Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  JEPS107394  Eriophyllum lanatum var. grandiflorum Lowell Ahart, John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC308284  Eriophyllum lanatum var. integrifolium M. B. Dunkle 1945-7-19 9218 Siskiyou Marble Valley summit, Klamath Forest 2194 Comment
  HSC36774  Eriophyllum lanatum var. lanatum J. P. Smith 1974-5-25 7401 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC301719  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1928-7-2 5355 Siskiyou Salmon Summit via Horn Creek trail 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
  CAS-BOT-BC416330  Erythranthe breweri Geo. D. Butler 1908-8-7 437 Siskiyou West Fork of Woolly Creek Comment
  CHSC88394  Erythranthe guttata Jenny Marr 1993-7-1 153 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  CHSC33834  Erythranthe primuloides R. E. Preston 1981-8-22 141 Siskiyou N shore of Juanita Lake. 1556 Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  RSA445608  Eschscholzia californica subsp. californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River. Comment
  HSC61823  Eucephalus glabratus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  RSA498946  Euphorbia crenulata L. C. Wheeler 1934-6-4 2634 Siskiyou Hamburg Gulch off Horse Creek. 610 Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  UC618851  Eurybia radulina W. Bridge Cooke 1938-8-19 11511 Siskiyou Howard Mount Shasta 1219 Comment
  OBI58650  Euthamia occidentalis David J. Keil 1992-7-20 23483 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  HSC75132  Festuca californica J. P. Smith, Thomas W. Nelson 1979-6-16 10132 Siskiyou Along State Route 3, 3.1mi from Scott Mtn. summit. 1280 Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument Comment
  RSA414217  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  UC1483422  Festuca idahoensis John Palmer 1980-8-15 1023 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1463 Comment
  RSA22127  Festuca occidentalis J. T. Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat, Siskiyou Co. 1524 Comment
  UCD66114  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CHSC93737  Festuca rubra Barbara L. Wilson; Richard Brainerd 2003-6-17 10913 Siskiyou On road 41N14 in the Klamath National Forest, on west side of road 0.9 miles north of Road 1C02 (from Callahan toward Cecilville). 1127 Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC457572  Fragaria vesca subsp. californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC53261  Frangula californica subsp. californica A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC53412  Frangula californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  HSC36608  Frangula purshiana Brent Whiteley 1975-6-24 50 Siskiyou 235 Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  CAS-BOT-BC223583  Fraxinus latifolia Carl B. Wolf 1927-8-26 998 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  CHSC2273  Fritillaria atropurpurea M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  UC618661  Fritillaria atropurpurea W. Bridge Cooke 1938-7-1 11155 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  RSA237917  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-2 369 Siskiyou Minor peak north of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2098 Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC44913  Fritillaria recurva J. P. Smith 1973-5-5 6407 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC77387  Galium ambiguum subsp. siskiyouense L. P. Janeway 1983-6-25 325 Siskiyou Just E of West Branch USFS station 671 Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley 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
  RSA610764  Galium bifolium Louis C. Wheeler 1935-6-27 3597 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  UCSB17328  Galium bolanderi Hardham, Clare 1961-7-2 Siskiyou Scott River south of Steelhead Comment
  CHSC57454  Galium boreale subsp. septentrionale L. P. Janeway 1984-6-21 861 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. 594 Comment
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  UCD80889  Galium trifidum subsp. subbiflorum Robert E. Preston 2001-6-23 1583 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182274  Garrya fremontii L. E. Smith 1913-5-28 310 Siskiyou Yreka Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  RSA2866  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou 4 miles above jct of MCloud road with Pacific Hwy and Transition. 1189 Comment
  RSA503493  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UCR60654  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou Salmon Mtns, HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  CDA38569  Garrya fremontii D. H. Shaw 1979-2-9 s.n. Siskiyou Near Somes Bar; Highway 96, Mile post 9.49. 0 Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  UCD117442  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1798 Comment
  HSC36727  Gaultheria shallon Brent Whiteley 1975-7-8 152 Siskiyou 610 Comment
  CAS-BOT-BC478506  Gayophytum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC19481  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-7-24 1515 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC61497  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 Comment
  UC164084  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  UC454603  Gayophytum heterozygum I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley Comment
  POM258621  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15335 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1220 Comment
  JEPS83574  Gentiana calycosa Dean Wm. Taylor, Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters of McCloud River drainage Tate Creek; , Forest Road 36N06 1484 Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET4853845  Gentiana plurisetosa George D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  CHSC78517  Gentianella amarella subsp. acuta Vernon H. Oswald 2000-8-28 9955 Siskiyou East border of Kangaroo Lake. 1853 Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  POM75060  Gilia capitata Geo D. Butler 1908-8-6 32 Siskiyou Summit above Cold Spring, [Molly] Creek Comment
  UC60878  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1665 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  CHSC71514  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1998-7-21 9352 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC68353  Gnaphalium palustre J. P. Smith, Steve Selva 1970-7-16 4437 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC29140  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou High Lake Basins near English Peak; Marble Mtn. Widerness Area: SE side of Hancock Lake 1951 Comment
  SEINET8770785 Image available Gnaphalium palustre G. D. Bulter 1910-6-12 1560 Siskiyou Yreka Creek Comment
  RSA237529  Gnaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou NE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC19396  Goodyera oblongifolia J. O. Sawyer 1968-7-2 358 Siskiyou Upper drainage of Joe Creek 1677 Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  HSC3666  Hackelia cusickii R. C. Wunner 1965-8-27 484 Siskiyou Lava Beds National Monument; Devil's Homestead where road runs through near Juniper on H.Q. side of flow Comment
  JEPS30000  Hastingsia alba Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7986 Siskiyou n end town Mt. Shasta (Sisson) Comment
  UC1282029  Hastingsia alba Louise Kellogg Aug 5 1953-Aug 7 1953 129 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC1409317  Hastingsia alba Frederick W. Oettinger 1969-8-8 1301 Siskiyou vicinity English Peak (English Lake, Sundew Bog, Marble Mountain Wilderness Area, Salmon Mountains, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  HSC30273  Hazardia whitneyi var. discoidea William J. Ferlatte 1971-9-18 1382 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CAS-BOT-BC306734  Helenium bigelovii John M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC1076043  Helianthella californica subsp. nevadensis Herbert L. Mason 1947-5-17 14761 Siskiyou on Scott Mountain Road five mi s Callahan Comment
  HSC103638  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 7819 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  UC165251  Hemizonella minima Geo. D. Butler 1909-4-25 620 Siskiyou Quartz Valley Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA237793  Herniaria hirsuta subsp. cinerea Frederick W. Oettinger 1969-8-31 1568 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1966 Comment
  UC1212409  Hesperolinon micranthum Leo Whitney 1934-6-20 1835 Siskiyou cutover land near Lower Sheep Well (25 mi ne of Tennant) 1524 Comment
  RSA608378  Heterotheca oregona L. C. Wheeler 1934-9-15 3265 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC311045  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  CAS-BOT-BC312294  Heterotheca villosa var. minor John Thomas Howell 1939-8-4 15049 Siskiyou Marble Rim, Marble Mountains 1889 Comment
  RSA183742  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  CAS-BOT-BC420730  Heuchera cylindrica Elmer I. Applegate 1935-6-12 9518 Siskiyou East base of Cinder Cone, near western boundary of Lava Beds National Monument. Comment
  CAS-BOT-BC420737  Heuchera merriamii W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky peak of Foxtail Ridge Salmon Mts. Comment
  RSA0063193  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  HSC101874  Heuchera micrantha R. D. Whittlesey 2013-8-3 15 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  HSC92732  Hieracium albiflorum Jennifer Whipple 1976-7-23 1513 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  CAS-BOT-BC319691  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  HSC34143  Hieracium albiflorum J. O. Sawyer 1969-6-17 957 Siskiyou 1768 Comment
  OBI53779  Hieracium albiflorum David J. Keil, Kathleen Keil 1992-7-19 23462 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  CAS-BOT-BC318543  Hieracium greenei W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  JEPS84328  Hieracium nudicaule L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS93877  Hieracium nudicaule Vernon H. Oswald and Lowell Ahart 1998-7-21 9314 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  HSC22178  Hieracium triste J. O. Sawyer 1969-8-3 1726 Siskiyou W of Little Duck Lake 2195 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  HSC69424  Holodiscus discolor John Palmer 1980-7-23 560 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  RSA105338  Holodiscus discolor G. D. Barbe 1955-8-4 357 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  RSA297038  Holodiscus discolor John F. Emmel 1974-7-19 515 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  SJSU6505  Holodiscus discolor R. W. Trivelpiece 1972-6-18 123 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 792 Comment
  CAS-BOT-BC150133  Holodiscus microphyllus var. glabrescens John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CHSC69087  Holodiscus microphyllus var. glabrescens Vernon Oswald; Lowell Ahart 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  SEINET516278  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald 1997-7-28 8787 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  UC196953  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  UC197111  Hordeum murinum subsp. leporinum Geo. D. Butler 1908-6-25 487 Siskiyou near Yreka Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  CAS-BOT-BC143960  Horkelia daucifolia Ella Dales Cantelow 1936-5-20 1404 Siskiyou N. slope Scott Mt. 2 mi. from Callahan Comment
  POM275217  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Siskiyou County: Klamath and Shasta Valley, near Gazelle Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  JEPS47181  Horkelia fusca subsp. parviflora W. L. Jepson 1940-6-28 20053 Siskiyou McCloud 990 Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 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
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  RSA78811  Horkelia tridentata subsp. flavescens Philip A. Munz 1952-7-2 17885 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  SBBG30499  Hydrophyllum fendleri D. Myrick 1968-6-26 2027 Siskiyou upper end of Coffee Crk; Trinity Alps 1463 Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  UC922469  Hydrophyllum occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5864 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  UCSB24600  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  UC1408777  Ipomopsis aggregata Frederick W. Oettinger and R. F. Thorne 1969-8-8 1282 Siskiyou near English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper edge of Sundew Bog) 1828 Comment
  SEINET12278833  Ipomopsis aggregata H. P. Chandler 1901-1 1624 Siskiyou near Marble Mountain 2134 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  JEPS94072  Ipomopsis congesta subsp. congesta Vernon H. Oswald and Lowell Ahart 1998-9-8 9612 Siskiyou ca. 30 air mi. n. Burney (Junction of USFS 3 & 24 ca. 2.5 mi. w.-s.w of Hambone Butte) 1310 Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  RSA47786  Iris missouriensis Roxana S. Ferris, Laura Lorraine 11815 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans [Noyes] Valley. 1204 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  HSC26229  Isatis tinctoria J. P. Smith, J. O. Sawyer 1972-5-28 5364 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  OBI4718  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Crk, 1.5 mi W of Yreka Comment
  UC400941  Isoetes bolanderi Geo. D. Butler 1908-8-8 254 Siskiyou near head W. Fork Wooly Creek Comment
  UC1408843  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou boreal meadow above Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UCR113020  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake Comment
  POM302090  Isopyrum stipitatum L. E. Smith 1913-04 s.n. Siskiyou Yreka Comment
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Jul 5 2010
  UC9320  Isopyrum stipitatum Thos. Howell April, 1892 18 Siskiyou Colestein; Siskiyou Mts., Colestein Comment
  CAS-BOT-BC139771  Ivesia gordonii Lester Rowntree 1936-7-16 s.n. Siskiyou Divide in Trinity Mts. above Granite Creek Comment
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  JEPS109907  Ivesia pickeringii Dean W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta-Trinity National Forest 1328 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  CAS-BOT-BC110025  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  SEINET5715683 Image available Juncus balticus Sandy Holloway 1963-1 73 Siskiyou Perennial from creepimg rootstock; along a spring drainage area 1 mile south of Oberlin Road, 8 miles southeast of Yreka, Siskiyou County, California.; Yreka 762 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA368327  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  UC1601722  Juncus drummondii W. H. Brewer 1862-9-13 1383 Siskiyou Mount Shasta 2560 Comment
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Oct 25 2008
  HSC78393  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat, seep at NW side 1524 Comment
  HSC36556  Juncus exiguus J. O. Sawyer 1969-6-12 914 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS102935  Juncus howellii L. P. Janeway 2002-7-12 7630 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  RSA215589  Juncus mertensianus Gilbert Muth 1969-8-10 1325 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  RSA14327  Juncus mexicanus Elmer I. Applegate 1923-8-18 3879 Siskiyou Medicine Lake. 1982 Comment
  UC1100989  Juncus nevadensis Calvin McMillan and Malcolm A. Nobs 1949-6-17 804 Siskiyou Highway 97 Grass Lake Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  SEINET3140701  Juncus tenuis J. M. Tucker 1974-7-28 4317 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  RSA368350  Juncus trilocularis L. C. Wheeler 1934-6-22 2753 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CAS-BOT-BC81133  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  RSA697391  Juniperus communis W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  UC1408804 Image available Juniperus communis Robert F. Thorne and Fred Oettinger 1969-8-10 39011 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry rocky volcanic ridges) 2438 Comment
  RSA13850  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  RSA159440  Juniperus communis var. montana G. A. Coleman 1901-8-16 s.n. Siskiyou Rocky ridge near head of Paulters Creek 2515 Comment
  HSC22407  Juniperus communis var. saxatilis J. O. Sawyer 1969-6-12 880 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  LA6568  Juniperus communis var. saxatilis Louis Wheeler; 1934-8-14 3123 Siskiyou Siskiyou Mountains, 0.5 mi. W White Mt 1920 Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CAS-BOT-BC81237  Juniperus occidentalis Elmer I. Applegate 1935-6-5 9293 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  CAS-BOT-BC56360  Kalmia microphylla subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou Taylor Lake, Salmon Mts. 1950 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC340376  Kyhosia bolanderi Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UC1023729  Kyhosia bolanderi W. B. Cooke 1941-8-8 16165 Siskiyou Wagon Camp; Mount Shasta Comment
  JEPS82115  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  RSA715638  Lagophylla ramosissima L. Ahart, John Dittes 2005-6-9 12016 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  HSC45166  Lathyrus nevadensis var. nevadensis J. O. Sawyer, E. Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1409225  Lathyrus nevadensis var. nevadensis Frederick W. Oettinger 1969-8-1 1136 b Siskiyou between English Lake and Wire Grass Meadow (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountains Wilderness Area 1676 Comment
  SD88548  Lathyrus nevadensis var. nevadensis Darley F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on the road to Happy Camp 1707 Comment
  UCD106396  Lathyrus nevadensis var. nevadensis A. A. Heller 1915-7-16 12091 Siskiyou North side of Mt. Eddy. 1524 Comment
  SEINET184714  Lathyrus polyphyllus C. L. Hitchcock, JS Martin 1939-7-3 5209 Siskiyou Open hillside on Takilma-Happy Camp road 1676 Comment
  HSC39994  Lathyrus tracyi J. P. Smith 1973-5-5 6517 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1733731  Lathyrus vestitus Kay H. Beach, Frank Gould 1940-5-15 632 Siskiyou Bull Meadows Comment
  SEINET10449271  Ledum glandulosum var. californicum Mary Susan Taylor 1980-7-8 Taylor 3101 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  JEPS117633  Lemna minuta Lowell Ahart, John Dittes 2010-7-30 16958 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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 Dwinn 716 Comment
  CAS-BOT-BC88860  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station. 975 Comment
  CAS-BOT-BC88925  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  HSC78075  Lepidium latifolium R. & G. Pederson 1980-8-12 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge 1238 Comment
  UC726822  Leptodactylon pungens A. A. Heller 1938-7-12 15254 Siskiyou on U.S. Highway #97, sixteen mi n Weed Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  SEINET12006370  Lesquerella occidentalis H. P. Chandler 1901-1 1653 Siskiyou Marble Mountain 2438 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
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Sep 15 2015
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  JEPS84274  Lewisia cotyledon L. R. Heckard with J. Hickman et al. 1986-7-17 6538 Siskiyou road end area and camp overlooking S end of Alex Hole, SE of Condrey Mountain 1980 Comment
  RSA211269  Lewisia cotyledon William J. Ferlatte 1966-7-7 207 Siskiyou Caribou Basin. 1982 Comment
  CAS-BOT-BC444051  Lewisia cotyledon var. cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC444087  Lewisia leeana Philip A. Munz 1952-7-2 17915 Siskiyou On rd. to Baldy Mt., 6 mi. w. (by air) of Happy Camp, Siskiyou Mts. 1432 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  JEPS82461  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou flat above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  RSA237364  Lewisia triphylla Frederick W. Oettinger 1967-7-8 153 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  SEINET3863117 Image available Libocedrus decurrens Dan Youngberg 1964-8-17 62 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  UC1400380  Ligusticum grayi Frederick W. Oettinger 1968-8-3 381 Siskiyou at Base Camp Meadow Marble Mt. Wild. Area (midway down Diamond Lake-Hancock Lake trail); Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  CAS-BOT-BC509365  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  SEINET10469573  Lilium kelleyanum Mary Susan Taylor 1980-7-8 Taylor 3099 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC54711  Lilium pardalinum Harley P. Chandler Jun 1901 1717 Siskiyou Shackleford Canyon; North Coast Ranges 1828 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  RSA211346  Lilium washingtonianum William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine. 1982 Comment
  HSC36707  Lilium washingtonianum subsp. purpurascens Brent Whiteley 1975-7-1 116 Siskiyou 671 Comment
  CAS-BOT-BC133105  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  NY319773  Lilium wigginsii L. Beane 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Highway 99. Comment
  UC1191631  Linanthus harknessii Herbert L. Mason 1948-7-18 13606 a Siskiyou Grass Lake Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  UC1409391  Linanthus nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou near Abbotts Lake (next basin e of Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1905 Comment
  CDA6299  Linaria genistifolia subsp. dalmatica C. S. Giebner 1960-5-2 Siskiyou Highway 99, Pinehurst Motel, 2 miles south of Weed. 0 Comment
  RSA0081335  Linnaea borealis subsp. longiflora I. L. Wiggins 1955-7-23 13467 Siskiyou W of China Creek, S side of S fork of Salmon River. 1098 Comment
  RSA0087560  Linnaea borealis subsp. longiflora E. K. Balls 1949-7-9 13937 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC336458  Linnaea borealis var. longiflora unknown Siskiyou near Mt. Shasta (Sisson's Woods); near Mt. Shasta, Sisson's Woods Comment
  UC889483  Linnaea borealis var. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC36813  Linum lewisii J. P. Smith 1974-5-27 7621 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC62309  Listera convallarioides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  CAS-BOT-BC36546  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-1 1090 Siskiyou Shasta Springs Comment
  CAS-BOT-BC36575  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-9-16 16321 Siskiyou along trail to Castle Lake Road 1219 Comment
  CAS-BOT-BC432316  Lithophragma campanulatum John Thomas Howell 1937-7-22 13300 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC29452  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1829 Comment
  HSC91199  Lithophragma glabrum Jennifer Whipple 1976-6-11 964 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  CHSC86635  Lithophragma parviflorum Jenny Marr 1993-7-1 18 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD77829  Lithophragma tenellum Robert E. Preston 2002-6-20 1845 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1965 Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  CHSC91354  Lolium perenne Lowell Ahart; John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET10661434  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 Ahart 12064 Siskiyou T43N, R5W, northwest 1/4 Section 5. East of a poor dirt roaod, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  JEPS104884  Lomatium bicolor var. leptocarpum Dean W. Taylor 1993-7-30 13995 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC22243  Lomatium macrocarpum J. O. Sawyer 1969-7-9 1250 Siskiyou W facing slope above Bingham Lake 2317 Comment
  JEPS14099  Lomatium macrocarpum W. L. Jepson 1940-6-23 21108 Siskiyou 2 mi. e. Montague 822 Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  HSC31130  Lomatium nudicaule J. O. Sawyer 1971-8-20 2458 Siskiyou S of Buckhorn Mountain on Big Ridge trail 1982 Comment
  CAS-BOT-BC217790  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi. N. of Weed 1066 Comment
  HSC68484  Lomatium triternatum Maralyn A. Renner 1980-6-22 879 Siskiyou Slopes N of Little Shasta River 1372 Comment
  JEPS17562  Lomatium utriculatum M. K. Curran July, 1887 Siskiyou Edgewood Comment
  CDA15574  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Siskiyou Mountains; S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. Comment
  HSC4904  Lonicera conjugialis J. O. Sawyer 1968-6-25 291 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  POM68733  Lonicera hispidula var. vacillans Geo. D. Butler 1910-6-17 1571 Siskiyou Thickets near Yreka. Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  UC54575  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock June, 1903 4137 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  SEINET11071691 Image available Lotus crassifolius A. A. Heller 1905-6-5 7972 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  CDA27212  Lotus humistratus D. Osterhandt, Don Shaw 1978-4-11 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS93915  Lotus purshianus var. purshianus Vernon H. Oswald and Lowell Ahart 1998-8-3 9415 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 USFS 41N10; Kangaroo Lake Road 1554 Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC862229  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  CHSC100001  Luetkea pectinata L. P. Janeway 2008-7-26 9503 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  POM210884  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  OBI53971  Luina hypoleuca David J. Keil, Kathleen Keil 1992-7-19 23460 Siskiyou Klamath Natl Forest 9 mi NW of Forks of Salmon along Forks of Salmon Rd 300 Comment
  CAS-BOT-BC201283  Lupinus Charles Piper Smith 1949-4-22 49131 Siskiyou Highway 99 - Hornbrook, 2.2 miles north Comment
  JEPS83225  Lupinus albicaulis W. L. Jepson 1940-6-27 20041 Siskiyou e slope Mt. Shasta 1828 Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 Comment
  RSA119549  Lupinus albicaulis var. shastensis C. P. Smith 1947-5-13 47277 Siskiyou 2.2 miles east of Weed. Comment
  RSA3846  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou On the banks of the Sacramento, a short distance above Shasta Springs. Comment
  HSC22253  Lupinus andersonii J. P. Smith, J. O. Sawyer 1969-7-23 1453 Siskiyou Near N Horse Range Creek along C.C.C. Rd. 1341 Comment
  HSC70489  Lupinus andersonii J. P. Smith 1973-5-5 6515 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC77060  Lupinus andersonii K. T. Stillman 1976-8-7 191 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  UC711890  Lupinus angustiflorus Roxana S. Ferris and Laura Lorraine 1941-8-11 10503 Siskiyou above Medicine Lake (Shasta National Forest); , above Medicine Lake Comment
  UC156976  Lupinus arbustus Geo. D. Butler 1909-6-22 917 Siskiyou Goosenest foothills Comment
  UC725887  Lupinus argenteus A. A. Heller 1940-7-23 15759 Siskiyou on U.S. Highway #97, 2 mi s Grass Lake; s of Grass Lake Comment
  RSA104707  Lupinus argenteus var. argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC215184  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  HSC472  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  UC1333310  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou along the Sugar Creek Road (above the Eaton Mine); Salmon Mountain Range, Sugar Creek Road 1676 Comment
  UCSB16735  Lupinus latifolius 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  JEPS44094  Lupinus lepidus var. sellulus W. B. and V. G. Cooke 1965-7-12 35189 Siskiyou Bolam Road Mt. Shasta; , Bolam Road Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  RSA0064518  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 490 Comment
  CHSC118592  Lupinus luteolus Richard R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  SEINET10936747  Lupinus luteolus David B. Dunn, Patricia L. Kenney; Douglas G. LeDoux 1973-6-1 Dunn 20638 Siskiyou About 1 mi s of hornbrook. Along the old hwy. Four species of lupinus growing In close proximity. Area under cultivation and pasture. Waste areas by road And along rd cuts. Comment
  UC1481908  Lupinus nanus K. Morris, Conrad and Dunn 1973-6-2 372 Siskiyou onwy 3 along roadside 0.7 mi s of junction at Etna Road Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  JEPS80558  Lupinus polyphyllus var. burkei Gilbert Muth 1965-8-6 188 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area 1981 Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  SEINET10490260  Lupinus subvexus var. transmontanus Katherine L. Morris 1973-6-2 Morris 339 Siskiyou Decomposed volcanic soil on hornbrook to montague road, about 1 mi se of Hornbrook. Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  NY16052  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC46056  Luzula comosa Maralyn O'Meara 1974-5-25 419 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC436698  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  POM110703  Luzula comosa var. laxa Geo D. Butler 1910-4-19 1197 Siskiyou Near Yreka. Comment
  HSC61901  Luzula parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS67183  Luzula parviflora Geo. D. Butler 1910-7-8 1673 Siskiyou Shackelford Creek , Shackelford Creek (Upper Campbell Lake) 1524 Comment
  UC1161522  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area, headwaters Canyon Creek 1950 Comment
  CAS-BOT-BC231460  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  RSA233706  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CAS-BOT-BC343997  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  UC1212558  Madia elegans Francia Chisaki, Helen K. Sharsmith 1959-8-20 4737 Siskiyou ca. 4 mi w of Callahan; Wildcat Creek road Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek 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
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA184813  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC920138  Malacothrix floccifera L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1930-7-15 3355 Siskiyou between Fort Jones and Etna; Scott Valley, Scott River 914 Comment
  CHSC93528  Malvella leprosa Lowell Ahart; John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  JEPS107390  Marrubium vulgare Lowell Ahart, John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 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
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  HSC71457  Medicago lupulina J. P. Smith 1973-5-5 6386 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UC197189  Melica subulata Geo. D. Butler 1910-7-12 1751 Siskiyou Shackleford Creek 1219 Comment
  SEINET13710380  Mentha arvensis Lowell William Ahart, Lowell William Ahart 1998-1 9323 Siskiyou Hwy. 97 Between Weed and Macdoel at W End Grass Lake (T44N, R3W, sec 28, NE 1/4) 5000 Ft. 1524 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  CDA17130  Mertensia bella G. F. Hrusa 2001-6-6 15844 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
  CAS-BOT-BC428554  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. Divide Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  CAS-BOT-BC429258  Micranthes oregana Elmer I. Applegate 1895-5-29 446 Siskiyou Sisson, west base of Mt. Shasta Comment
  CAS-BOT-BC322664  Microseris laciniata Alice Eastwood 1912-7-17 1153 Siskiyou Sisson Comment
  CDA8390  Microseris laciniata subsp. laciniata T. C. Fuller 1958-6-19 1823 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC68001  Microseris nutans J. P. Smith, Steve Selva 1970-6-16 4006 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC58930  Microsteris gracilis Marvin Butler 1971-8-9 82 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  JEPS43775  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou head of spring that runs by Indian campground; Clement's Ranch 762 Comment
  SFV8317  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area. Haypress Meadows. 1463 Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  SEINET13710779  Mimulus evanescens Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9359 Siskiyou NE of Weed, E of Grass Lake, W of Bray on Old State Hwy 0.8 Mi. E of Tennant Rd. (T44N, R1W, SW 1/4 sec 20) 4650 Ft. 1417 Comment
  UC164370  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek Comment
  RSA60479  Mimulus guttatus John H. Thomas 1949-6-16 947 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  UC61069  Mimulus guttatus W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  POM43710  Mimulus guttatus Edward Palmer 1892-7-13 2478 Siskiyou Mt. Shasta and vicinity. Comment
  RSA211429  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou Northwest side of Caribou Mountain. 1982 Comment
  HSC43255  Mimulus kelloggii K. Irwin 1977-5-22 383 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC725963  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  POM43896  Mimulus layneae Edward Palmer 1892-7-28 2603 Siskiyou Near Edgewood. Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  CHSC1764  Mimulus moschatus V. Holt 1932-6-29 Siskiyou Castle Lake. 1981 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC29406  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2043 Comment
  RSA447997  Mimulus moschatus M. B. Dunkle 1944-7-1 9061 Siskiyou Smoky Crk., Siskiyou Natl' Forest. Comment
  RSA68915  Mimulus moschatus A. E. Culbertson 1943-8-3 43 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  HSC96658  Mimulus nanus Thomas W. Nelson, Susan Erwin 2004-6-3 9220 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 Comment
  HSC60146  Mimulus nanus var. nanus D. L. Goforth 1979-7-7 234 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  SFV8682  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou Marble Mountain Wilderness area. In vicinity of Paradise Lake at base of Kings Castle on the east side. Open, rocky, east facing slope. 1982 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  UC718167  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 1/2 mi s Wagon Camp (s slope of mt.); Mt. Shasta 1524 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  RSA68951  Mimulus primuloides var. linearifolius A. E. Culbertson 1943-8-30 7 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UC1229783  Mimulus pulsiferae Francia Chisaki and Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Caves); Squaw Valley Creek 1158 Comment
  UC27122  Mimulus torreyi F. W. Morse 1886-1 Siskiyou Shasta Comment
  HSC49831  Minuartia douglasii Maralyn O'Meara 1974-5-25 433 Siskiyou On Road 8, 2.4 miles W of junction with Hwy. 3 915 Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  SEINET4853159  Minuartia stolonifera Unknown 1983-7-29 7500 Siskiyou Along west side of State Rt. 3, 2.4 mi N. of Scott Mountain Pass just S of junction with road 40N03. 1372 Comment
  CDA23864  Mirabilis greenei G. Deal 1966-6-29 Siskiyou Tom Williams property, Montague. 0 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC435053  Mollugo verticillata Doris K. Kildale 1928-7-25 5883 Siskiyou Klamath River at Mack's Creek near Hamburg 457 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC154269  Monardella odoratissima subsp. glauca Harley P. Chandler June, 1901 1723 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  UC164003  Monardella odoratissima subsp. glauca Geo. D. Butler 1908-7-12 168 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS98783  Monardella odoratissima subsp. pallida Sue Pappalardo 1993-7-19 505 A Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  SD76167  Monardella odoratissima subsp. pallida Helen V. Witham 1969-10-9 596 Siskiyou McBride Springs Road, Mt. Shasta. 1500 Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC220232  Monardella sheltonii Clare B. Hardham 1965-8-1 13081 Siskiyou Near Happy Camp on Sulphur Springs Road Comment
  RSA0022807  Monardella villosa Clare B. Hardham 1965-8-18 13069 Siskiyou Sulphur Springs Road near Happy Camp. Comment
  RSA601900  Montia chamissoi L. C. Wheeler 1935-7-26 3705 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  RSA47980  Montia dichotoma Roxana S. Ferris, Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  HSC73386  Montia linearis Robert Kirkpatrick, Doug Renwick 1981-5-30 159 Siskiyou 3 mi. from Hwy. 3 off FS Rd. 40N22 1220 Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  CAS-BOT-BC267049  Muhlenbergia filiformis Doris K. Kildale 1928-8-18 6469 Siskiyou Near head of N Fork of Salmon River at Finley's Upper Camp Comment
  UCD86576  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  UCD86716  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  SEINET10599809  Muhlenbergia filiformis H. E. Brown 1897-6-11 Brown 425 Siskiyou North side Mt. Shasta. 1524 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  HSC102705  Muhlenbergia richardsonis J. P. Smith 2013-6-17 13738 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  CAS-BOT-BC83244  Myosurus minimus A. A. Heller 1925-7-25 13900 Siskiyou In a field along the Pacific highway near Edgewood. Comment
  UC1299127  Nama lobbii Freed W. Hoffman 1948-7-13 2660 Siskiyou 9.4 mi sw of Tennant Comment
  UC1495355  Narthecium californicum Robert T. Clausen and Harold Trapido 1940-7-26 4955 Siskiyou Wagon Camp, Mt. Shasta S. Cascade Mts., Sacramento R. Basin, Mt. Shasta, Wagon Camp 1737 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  POM75694  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  JEPS81654  Navarretia leucocephala subsp. leucocephala L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  CAS-BOT-BC219533  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  CAS-BOT-BC230556  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  RSA120724  Noccaea fendleri subsp. glauca S. S. Tillett 1956-7-9 660 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  POM143809  Noccaea fendleri subsp. glauca E. B. Copeland 1903-8-18 3905 Siskiyou Mt Eddy. Comment
  RSA184704  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC61504  Nothochelone nemorosa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC36610  Notholithocarpus densiflorus var. densiflorus Brent Whiteley 1975-6-28 75 Siskiyou 915 Comment
  CAS-BOT-BC400117  Nuphar polysepala Doris K. Kildale 1928-8-20 6598 Siskiyou Lily Pad Lake on trail to Marble Mountain near Hancock Lookout 2133 Comment
  RSA273347  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 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-BC355596  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  JEPS89441  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou 0.5 m below Gumboot Lake (North Coast Ranges, Gumboot Creek, watershed South Fork Sacramento River); North Coast Ranges, Gumboot Creek 1844 Comment
  HSC91957  Orobanche fasciculata Jennifer Whipple 1976-7-13 1457 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  CAS-BOT-BC500192  Orobanche fasciculata A. M. Vollmer; L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA0059242  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-13 994 Siskiyou Marble Mountain Wilderness Area. M. of Upper English Lake. Comment
  CAS-BOT-BC458093  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  CAS-BOT-BC94552  Orthilia secunda R. C. Wenk 2006-9-2 554 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  UC1037439  Orthilia secunda Douglas Barbe 1955-7-28 305 Siskiyou Klamath Mountains about 0.5 mile west of Scott Mountain Forest Camp. 1645 Comment
  RSA0083192  Orthilia secunda E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy. 1372 Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  HSC630  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-7-7 219 Siskiyou Big Flat, near public camp 1524 Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  CAS-BOT-BC266626  Orthocarpus pachystachyus L. E. Smith 1913-5-18 267 Siskiyou Gazelle Comment
  RSA237406  Osmorhiza berteroi Frederick W. Oettinger 1968-8-23 622 Siskiyou West of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA211284  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA237754  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou northeast-facing slope above Tanner Peak tail 400 yards down from English Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS69748  Packera cana W. B. and V. G. Cooke 1972-6-30 45421 Siskiyou near Upper Cougar Road (Military Pass Road); Mt. Shasta 1524 Comment
  CAS-BOT-BC316755  Packera cana William Bridge Cooke 1940-8-22 15475 Siskiyou along the west rim of Mud Creek Canyon 2743 Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  RSA592506  Papaver rhoeas S. O. Mattoon 1977-6-18 1 Siskiyou At Callahan, Shasta Valley. 762 Comment
  UCD96007  Papaver rhoeas Beecher Crampton 1969-6-19 8467 Siskiyou Gazelle; Interstate Highway 5 southbound. Comment
  JEPS104438  Parnassia cirrata var. intermedia Martin J. Lenz 2003-9-19 43 Siskiyou approx. 2000 ft SW of Panorama Road underpass, Dunsmuir 778 Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC175603  Parnassia palustris Alice Eastwood 1912-8-30 2045 Siskiyou Mount Eddy Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  UC1408911  Paxistima myrsinites Frederick W. Oettinger and R. F. Thorne 1969-8-7 1281 Siskiyou e. side English Lake Outlet; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC266642  Pedicularis bracteosa John Thomas Howell 1937-7-25 13457 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC59898  Pedicularis contorta D. L. Goforth 1979-7-19 252 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  UC164398  Pedicularis densiflora Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest Foothills Comment
  UCSB23732  Pedicularis densiflora Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  JEPS3358  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek; Log Lake 1371 Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  UC711825  Pedicularis semibarbata Roxana S. Ferris and Laura Lorraine 1941-8-11 10504 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  UC1313059  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou sw ridge of Black Marble Mt; Marble Mt Wilderness Area 2133 Comment
  UC71515  Pellaea breweri Harley P. Chandler June, 1901 1660 Siskiyou Marble Mt; North Coast Ranges 2438 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS7902  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  JEPS29111  Penstemon anguineus Lauramay T. Dempster 1961-7-1 1837 Siskiyou just n Horse Creek Drainage Basin (along ridge from Condry Peak to White Mountain); summit ridge Siskiyou Mts., n of Horse Creek drainage Basin 1889 Comment
  RSA138224  Penstemon anguineus Percy C. Everett, E. K. Balls 1959-10-23 23941 Siskiyou 4.6 miles SW from Etna on rd from Callaban to Somesbar. Salmon Mtns. 1768 Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  SEINET3160250  Penstemon confertus G. D. Butler 1909-6-22 934 Siskiyou Gooseness Mts. Comment
  JEPS13635  Penstemon davidsonii var. davidsonii Peter Kamb 1949-8-25 1494 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 3169 Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  UC705377  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou ridge above head of Brewer Creek Mount Shasta, E side 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
  HSC20981  Penstemon deustus R. C. Wunner 1965-6-7 115 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground 1387 Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC454776  Penstemon gracilentus I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp 2438 Comment
  UC164254  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou foothills of Goosenest Mountain Comment
  JEPS116586  Penstemon humilis var. humilis Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -015 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N15 unburned area within Hotlum Fire perimeter burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1219 Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou About 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  HSC77277  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  RSA78839  Penstemon laetus subsp. sagittatus Philip A. Munz 1952-7-2 17917 Siskiyou Road to Baldy Mtn, ca 6 miles by air west of Happy Camp, Siskiyou Mtns. Comment
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 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
  JEPS83891  Penstemon laetus var. sagittatus Wayne Roderick Jul 1976 Siskiyou along Copper Butte Trail Siskiyou Mountains Comment
  NY604580  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5176 Siskiyou 9 miles south of Macdoel, on U.S. 97, between Dorris and Weed. 1463.0 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  HSC663  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-9 679 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS15374  Penstemon newberryi var. berryi Douglas Barbe 1955-8-5 364 Siskiyou along trail from Big Flat to Caribou lake at summit of the trail, a point NW of Caribou Mountain Salmon Mountains 2407 Comment
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  JEPS5707  Penstemon newberryi var. newberryi W. L. Jepson Jul 1894 21414 Siskiyou Muir Peak ((Black Butte), Sisson Comment
  CHSC114659  Penstemon parvulus J. Kierstead 1990-7-18 90 -108 Siskiyou Shasta-Trinity National Forests. Forest Service Rd. 40N26 at Gumboot/Mumbo Basin pass. 1950 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  POM43010  Penstemon procerus subsp. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Upper Campbell Lake, Skackleford Creek. 1372 Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  HSC61153  Penstemon procerus var. brachyanthus Al Hobart Siskiyou El Capitan Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  JEPS12401  Perideridia gairdneri subsp. gairdneri Willis L. Jepson July, 1894 14220 Siskiyou Sisson Mt. Shasta (base of mt.) Comment
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  UC1390010  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5880 Siskiyou Cecilville Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  HSC96875  Perideridia parishii subsp. latifolia Gordon Leppig 1997-8-23 670 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  RSA459100  Perideridia parishii subsp. latifolia M. B. Dunkle 9348 Siskiyou [Unspecified] 2439 Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  UC672408  Phacelia Herbert L. Mason 1931-5-9 5867 Siskiyou Shasta Creek Comment
  UC673182  Phacelia Lincoln Constance and Reed C. Rollins 1942-5-14 2928 Siskiyou 4 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  RSA249718  Phacelia dalesiana Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
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Jul 5 2017
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  UC1475690  Phacelia greenei Clifton and Ground 1978-6-13 1001 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1037 Comment
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  JEPS28695  Phacelia hastata subsp. compacta Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 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
  UC164135  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-6-23 409 Siskiyou near Yreka (along creek) Comment
  RSA152172  Phacelia leonis Lincoln Constance, R. C. Bacigalupi, L. Heckard 1960-7-20 s.n. Siskiyou Twin Valley, 5 miles SW of Poker Flat, Siskiyou Mountains 1555 Comment
  JEPS2132  Phacelia linearis Geo. D. Butler 1909-5-4 742 Siskiyou near (n of) Yreka; Klamath River Comment
  UC1540000  Phacelia linearis M. Mitchell 1936-5-14 19 Siskiyou Captain Jack's Stronghold Lava Beds National Monument 1554 Comment
  CDA40406  Phacelia linearis R. Richards & D. Janssen 1978-5-25 s.n. Siskiyou Northeast of Weed at Yellow Butte. 0 Comment
  RSA74837  Phacelia linearis F. W. Peirson 1923-7-19 3818 Siskiyou 20 miles north of Bray. Comment
  UC796504  Phacelia linearis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11832 Siskiyou between Callahan Gazelle; Gazelle Mountain Grade 1499 Comment
  HSC69027  Phacelia mutabilis Maralyn A. Renner 1980-7-28 2186 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  UC1017763  Phacelia mutabilis C. L. Hitchcock 1954-6-22 20227 Siskiyou 1 mi w Somes Bar (on road to Camp Three) Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  RSA215618  Phacelia mutabilis Gilbert Muth 1969-8-7 1234 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  UC1426020  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou base of cliffs sw Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC62291  Phacelia procera Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  RSA602931  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC159143  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-10 7489 Siskiyou South cinder slope of Caldwell Butte Comment
  CAS-BOT-BC77414  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  CAS-BOT-BC77430  Philadelphus lewisii H. A. Thomas; J. H. Thomas 1954-7-22 4443 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville; between Rush and Big Bend Creeks, 975 Comment
  UCD89299  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15-16 miles southwest of Mt. Shasta City. Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  SEINET10657527  Phleum alpinum Louis C. Wheeler 1935-7-26 Wheeler 3713 Siskiyou Siskiyou Mts. Wet sunny meadow Jaynes Canyon, S 12 T, T 47 N, R 10 W. Mt. Diablo Mer. 1951 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  CAS-BOT-BC250950  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  UC1265412  Phleum pratense F. W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow Tom's Lake region (Salmon Mountains); , , Bear Meadow 2186 Comment
  RSA171513  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  SD88543  Phlox adsurgens Darley F. Howe 1972-7-5 4876 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  UC60873  Phlox austromontana Harley P. Chandler Jun 1901 1662 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  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
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  UCR37836  Phlox gracilis L. P. Janeway 1983-7-3 368 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  UCR66520  Phlox gracilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mtns., Head Jaynes Canyon 1829 Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  CAS-BOT-BC232826  Phlox hirsuta R. C. Barneby 1954-5-16 11528 Siskiyou 6 miles SW of Yreka Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  CHSC3177  Phlox speciosa Robert D. Briggs 1966-5-13 R- 151 Siskiyou 14 miles west of Gazelle. Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC163854  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC171214  Phoradendron serotinum subsp. tomentosum Alice Eastwood 1922-10-18 11512 Siskiyou Shasta Springs Comment
  CAS-BOT-BC56489  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, on ridge between Salmon and New Rivers, at extreme head of West Fork of Knownothing Creek 1889 Comment
  JEPS82486  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Black Mountain, Marble Mountain Wilderness Area Black Mountain; , Marble Mountain Wilderness Area 2011 Comment
  POM77480  Phyllodoce empetriformis Geo D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek. 1829 Comment
  SD219029  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 2097 Comment
  CAS-BOT-BC56494  Phyllodoce empetriformis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC140489  Physocarpus Alice Eastwood 1917-9-2 6651 Siskiyou Shasta Springs Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  CAS-BOT-BC78163  Picea breweriana Doris K. Kildale 1928-8-19 6535 Siskiyou summit of divide between English Lake + Hancock Lake - trail to Marble Mts. 2194 Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC24697  Picea breweriana J. O. Sawyer 1969-7-26 1573 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  NY30144  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY30145  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  UC55656  Pinus attenuata Harley P. Chandler 1901-6-1 1730 Siskiyou Shackleford Canyon, near Marble Mountain; North Coast Ranges, Shackleford Canyon 1371 Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  NY34630  Pinus attenuata F. M. Ownbey 1940-7-7 2219 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY34636  Pinus attenuata K. Morris 1973-5-25 276 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1313008  Pinus balfouriana J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3769 Siskiyou sw ridge Black Marble Mountain; Marble Mountain Wilderness Area, Black Marble Mountain 2133 Comment
  UC1713756  Pinus balfouriana Mastrogiuseppe 1967-1-30 Siskiyou Mt. Eddy Comment
  UC55641  Pinus balfouriana Harley P. Chandler 1901-6-1 1683 Siskiyou Marble Mt. North Coast Ranges 2438 Comment
  CAS-BOT-BC78715  Pinus jeffreyi Peter H. Raven 1956-9-5 10460 Siskiyou North Fork of Sacramento River 1828 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-BC78782  Pinus lambertiana Carl B. Wolf 1927-8-27 1124 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  CAS-BOT-BC78961  Pinus monticola W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon to Scotts Creek Comment
  JEPS74638  Pinus monticola Richard McP. Brown and Robert Craig 1974-7-26 Siskiyou a short distance above se corner of lake Caribou Lake (roughly 80 feet above lake surface and less than 500 horizontal feet from edge); Klamath National Forest, Trinity Alps 2097 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA624392  Pinus ponderosa L. C. Wheeler 1952-9-17 6936 Siskiyou Unspecified. Comment
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  POM72946  Plagiobothrys bracteatus Geo. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  RSA610188  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UC163844  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou near Luk<?> Comment
  JEPS19681  Plagiobothrys hispidus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5930 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S P Shasta Route)) 1188 Comment
  POM228957  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  SD113745  Plantago indica Darley F. Howe 1966-8-27 4309 Siskiyou 8.5 miles north of Weed on #97. 1189 Comment
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  HSC67711  Platanthera dilatata var. leucostachys John S. Palmer 1980-7-24 611 Siskiyou Elk Hole 1503 Comment
  HSC76930  Platanthera dilatata var. leucostachys K. T. Stillman 1976-8-7 214 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  JEPS64400  Platanthera leucostachys Willis L. Jepson 1894-8-4 21274 Siskiyou Mt. Shasta Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC68463  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1458 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA237641  Platanthera stricta Frederick W. Oettinger 1967-7-30 217 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA48224  Plectritis congesta subsp. brachystemon Roxana S. Ferris, Laura Lorraine 1948-6-12 11726 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC164461  Plectritis macrocera Geo. D. Butler 1910-3-24 1139 Siskiyou Shasta River hills Comment
  RSA576933  Plectritis samolifolia Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  CAS-BOT-BC254991  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  HSC33986  Poa bulbosa J. P. Smith 1974-5-25 7480 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC450464  Poa bulbosa Morris Halperin 1931-5-17 301 Siskiyou near Yreka Comment
  UCR64614  Poa bulbosa L. C. Wheeler 1935-6-1 3536 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  HSC63  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  UC196960  Poa compressa Geo. D. Butler 1908-7-1 485 Siskiyou near Yreka Comment
  JEPS105022  Poa cusickii subsp. epilis Dean W. Taylor 1996-7-26 15838 B Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed; Klamath National Forest; Klamath region 2316 Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  CAS-BOT-BC256012  Poa pratensis Wm. Bridge Cooke 1938-7-15 11236 Siskiyou Wagon Camp, Mount Shasta 1737 Comment
  HSC76667  Poa pratensis K. T. Stillman 1976-7-23 303 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CHSC91252  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  SEINET10659388  Poa scabrella A. Arthur Heller 1915-6-10 Heller 11956 Siskiyou Little Summit in the Sierra Nevada, on a north slope in bare gravelly places about rocks. 1433 Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  RSA211236  Poa secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA577537  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UCD90333  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3590 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  CAS-BOT-BC243226  Poa secunda subsp. secunda Ira L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive area 2042 Comment
  HSC77053  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UC2046865  Poa secunda subsp. secunda R. E. Brainerd with N. Otting 2013-7-12 2184 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. South side of Upper Wright Lake. Comment
  JEPS84251  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1900 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC232899  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  SEINET4335521 Image available Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou Ridge above head of Brewer Creek, E side of Mt. Shasta Comment
  CAS-BOT-BC74173  Polyctenium fremontii Dean W. Taylor 1980-7-15 7782 Siskiyou Mono Basin. Larkin Lake in Trench Canyon. 2042 Comment
  HSC45188  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UCD109698  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou just above junction of thenorth [sic] Fork with middle and south Forks. 1066 Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  RSA516405  Polygonum amphibium var. emersum Geo. D. Butler 1908-7-16 193 Siskiyou Klamath Rim near Anderson's Ferry Comment
  CAS-BOT-BC414277  Polygonum aviculare subsp. depressum R. E. Frenkel 1964-10-2 898 Siskiyou On north side of Everitt Memorial Highway near Mount Shasta 1676 Comment
  SEINET10624421  Polygonum convolvulus Smith Smith s.n. 1915 Siskiyou Sisson Comment
  UC1408821  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Crapo Peak ridge trail break Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2194 Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  HSC32768  Polygonum douglasii Frederick W. Oettinger 1969-8-14 1378 Siskiyou Marble Mtn. Wilderness Area, campsite, English Lake 1829 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
  UCR222502  Polygonum douglasii subsp. austiniae R. F. Thorne 1969-8-2 63401 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UC572801  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1937-8-6 9200 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CHSC71313  Polygonum douglasii subsp. majus Vernon H. Oswald; Lowell Ahart 1998-6-11 9187 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  NY323772  Polygonum greenei E. L. Greene 1876-8-12 s.n. Siskiyou Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  UC1735918  Polygonum newberryi Dean W. Taylor 1974-7-20 4241 Siskiyou 2499 Comment
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May 7 2014
  UC55508  Polygonum phytolaccifolium Harley P. Chandler June, 1901 1627 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS85597  Polygonum polygaloides subsp. confertiflorum W. Robert Powell 1989-7-19 3535 Siskiyou 16 air mi n of Fall River Mills (and 6 air mi w of Day, 1.2 mi e of Spring Creek Road) 1097 Comment
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  POM312532  Polygonum sawatchense subsp. oblivium H. L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  CAS-BOT-BC421065  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1371 Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  SEINET4335277  Polygonum spergulariiforme G. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  SEINET182711 Image available Polypogon monspeliensis John P. Young 1921-9-13 Siskiyou Gazelle. Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  HSC29356  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-1 657 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  HSC27350  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5696 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  CAS-BOT-BC72394  Polystichum lemmonii Geo. D. Butler 1910-7-1 1756 Siskiyou Shackleford Creek 1371 Comment
  RSA105460  Polystichum lemmonii G. D. Barbe 1955-7-26 287 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  HSC26112  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5679 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC79137  Polystichum scopulinum C. J. Thomas 1983-10-1 98 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA693355  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  UCD77956  Populus tremuloides Robert E. Preston 2001-6-30 1663 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC46779  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  SEINET10906094  Porterella carnosula Noel H. Holmgren 1980-7-1 Holmgren 9449 a Siskiyou U.S. Highway 97, 21.4 km (13.3 miles) south-southwest of Macdoel 1524 Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  CHSC106102  Potentilla anserina subsp. anserina Lowell Ahart; John Dittes 2010-7-30 16940 Siskiyou About 5 yards south of the Shasta River, about 10 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
  CAS-BOT-BC205181  Potentilla breweri James R. Shevock; Barbara Williams 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains 2011 Comment
  HSC65286  Potentilla breweri Rich White 1978-7-6 253 Siskiyou Pond above Elk Hole 1524 Comment
  JEPS84265  Potentilla breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6339 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass); sw of Cook and Green Pass, se Red Butte, nne of Seiad Valley 1730 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  SEINET11916231  Potentilla breweri Unknown 1936-1 13448 Siskiyou In rocky mtn slopes near Hornbrook Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 Comment
  RSA237623  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Ridge SE of Tobacco Lake Meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  HSC64680  Potentilla flabellifolia J. O. Sawyer 1977-7-7 3039 Siskiyou Above Josephine Lake 2134 Comment
  RSA237236  Potentilla flabellifolia Frederick W. Oettinger 1967-7-8 159 Siskiyou Wet stream bank, just below Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS121622  Potentilla gracilis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC540558  Potentilla gracilis var. fastigiata A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC69092  Prunella vulgaris Maralyn A. Renner 1980-8-4 2225 Siskiyou Flint Valley 1390 Comment
  HSC29322  Prunella vulgaris subsp. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake outlet 1822 Comment
  UC1124448  Prunella vulgaris var. lanceolata L. Whitney 1934-6-24 6 Siskiyou Antelope Creek Tennant (Tennant); Dorris Quad., Antelope Creek Comment
  UC1282022  Prunella vulgaris var. lanceolata Louise Kellogg Aug 8 1953-Aug 9 1953 121 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158243  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  LA208061  Prunus emarginata W. B. C.; 1938-6-17 11061 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  RSA59511  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  RSA237590  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou SE slope above English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC454998  Prunus virginiana var. demissa I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC357408  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station near/opposite Black Butte 1158 Comment
  UC896906  Pseudognaphalium thermale Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS121604  Pseudostellaria jamesiana Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. Fen / wet meadow on ultramafic soil. Mount Eddy quadrangle. Comment
  CAS-BOT-BC80169  Pseudotsuga menziesii Doris K. Kildale 1927-11-28 4235 Siskiyou Quartz Valley, Scott River Comment
  HSC31981  Pseudotsuga menziesii var. menziesii Steve Selva, Roger Jensen 1974-8-17 23 Siskiyou 300 yds above base of Sugar Lake Trail along USFS Rd. 40N23 (Road 8) Comment
  NY63871  Pseudotsuga menziesii var. menziesii M. F. Denton 1973-6-30 2969 Siskiyou Klamath National Forest: Young's Valley, ca. 5 miles south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  JEPS89383  Psilocarphus brevissimus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9863 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC375217  Pterospora andromedea Geo. D. Butler 1908-7-20 35 Siskiyou Long Gulch; head, near Yreka Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  CAS-BOT-BC147904  Purshia tridentata var. tridentata Alice Eastwood 1912-7-19 1232 Siskiyou Mount Shasta Comment
  UC60889  Purshia tridentata var. tridentata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson; Mount Shasta Comment
  UC876211  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  HSC67644  Pyrola crypta J. P. Smith, Steve Selva 1970-7-17 4472 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA0080539  Pyrola crypta G. D. Barbe 1955-7-26 269 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  HSC61840  Pyrola dentata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC19200  Pyrola picta J. O. Sawyer 1968-9-10 689 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CAS-BOT-BC466139  Pyrola picta G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC466140  Pyrola picta L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  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-BC362385  Pyrrocoma racemosa var. racemosa John Thomas Howell 1939-7-31 14858 Siskiyou North side of Scott Mts. on road to Callaghan [Callahan] Comment
  UC166493  Quercus X morehus Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  UC1332425  Quercus chrysolepis unknown 1940-6-27 15197 Siskiyou along the old Hotlum Road Mount Shasta Comment
  HSC36686  Quercus garryana Brent Whitely 1975-6-20 5 Siskiyou 223 Comment
  CAS-BOT-BC62763  Quercus garryana var. breweri Doris K. Kildale 1928-8-19 6531 Siskiyou on trail from English Lake to top of Divide to Hancock Lake Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  RSA281647  Quercus garryana var. garryana S. O. Mattoon 1979-7-9 83 Siskiyou Lily Pad Lake Trail at Cook and Green Pass, 6 air miles N. of Hwy. 96 at Seiad Valley, Siskiyou Mts. 1677 Comment
  RSA47667  Quercus kelloggii Roxana S. Ferris, Laura Lorraine 1948-6-12 11861 Siskiyou 2.6 miles below summit of Gazelle Mountain Grade, east side. 1418 Comment
  HSC19218  Quercus sadleriana J. O. Sawyer 1968-9-9 659 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  POM267243  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles north of Happy Camp. Comment
  RSA749132  Quercus sadleriana Jim R. Shevock, David Toren 2000-9-1 20099 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  UCR80887  Quercus sadleriana G. Fred Hrusa 1993-8-14 11400 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  UCSB1235  Quercus sadleriana Muller, Cornelius 1954-6-23 Siskiyou Summit, 3-5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou line Comment
  CAS-BOT-BC104342  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Lake, collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake 1316 Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29466  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Marble Mtn. Wilderness Area, SE slope along trail from English to Diamond Lake 1890 Comment
  RSA237831  Quercus vacciniifolia Frederick W. Oettinger 1969-8-22 1490 Siskiyou Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
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Dec 10 2015
  UCD47447  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  HSC43362  Ranunculus alismifolius var. alismellus N. G. Sugihara 1977-5-28 64 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  RSA99973  Ranunculus alismifolius var. hartwegii Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow, Goosenest Mt. 1677 Comment
Read comments
Jan 23 2011
  SBBG27176  Ranunculus aquatilis var. aquatilis L. C. Wheeler 1935-6-13 3569 Siskiyou Greenview, Scott Valley 883 Comment
  UC166048  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou Oro Fino Creek Comment
  RSA105416  Ranunculus aquatilis var. capillaceus Milo S. Baker 1955-6-29 52 Siskiyou 4.1 miles SE of Etna on the Eastside Road. In a Stagnant pool. 915 Comment
  CDA24299  Ranunculus aquatilis var. subrigidus J. R. Grisham 1960-6-28 Siskiyou Abrams Lake, Mt. Shasta. 0 Comment
  UC827780  Ranunculus flammula Alice Eastwood 1912-7-15 1087 Siskiyou McCloud Comment
  UC13928  Ranunculus glaberrimus F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  UC165989  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 784 Siskiyou near Yreka Comment
  SEINET10619535 Image available Ranunculus occidentalis var. dissectus Harley P. Chandler Chandler 1691 Siskiyou Ridges and meadows near Marble Mountain. Siskiyou County. 2286 Comment
  POM268494  Ranunculus occidentalis var. ultramontanus C. L. Hitchcock 1939-7-6 5197 Siskiyou 10 miles SE of Takihua, Oregon, on road to Happy Camp, Siskiyou Mts. 1220 Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  UC725519  Rhamnus rubra A. A. Heller 1920-8-13 13525 Siskiyou Upton Comment
  HSC19474  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1461 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS58751  Rhododendron occidentale Willis L. Jepson 1894-8-9 14671 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  CAS-BOT-BC200745  Rhus aromatica Elmer I. Applegate 1898-5-15 2127 Siskiyou Klamath River. Between Shovel Creek and Fall Creek 853 Comment
  CAS-BOT-BC438015  Ribes Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC92406  Ribes aureum var. aureum Elmer I. Applegate 1904-5-15 3081 Siskiyou Laird, Klamath River. Comment
  CAS-BOT-BC92407  Ribes aureum var. aureum L. E. Smith 1913-5-27 319 Siskiyou Weed. Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC173301  Ribes lacustre Harley P. Chandler 1901-6-1 1561 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  JEPS24023  Ribes lacustre Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6885 Siskiyou 2 1/2 mi ne Poker Flat; Siskiyou Mountains 1463 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  HSC29426  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  CAS-BOT-BC212487  Ribes marshallii Edward Lee 1934-8-15 1131 Siskiyou Near summit of Happy Camp to Waldo (Oregon) Road, Indian Creek watershed, Klamath National Forest. 1584 Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  JEPS105033 Image available Ribes nevadense Dean W. Taylor 1996-7-11 15784 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  UC1190157  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  SBBG14314  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  UC75474  Ribes roezlii Milo S. Baker 1896-8-1 133 Siskiyou Payne's Springs 1981 Comment
  UC909349  Ribes roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou about 1.5 mi from Carmen Lake (small bog on side of ridge above Grouse Creek) 1584 Comment
Read comments
Jan 29 2013
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  HSC90031  Ribes velutinum Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 35 Siskiyou W side of Hwy. 3, 0.6 mi. N of its intersection with Cecilville Rd. 1024 Comment
  RSA0019710  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka. Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  UCR80268  Ribes velutinum var. glanduliferum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mtns, Greenhorn Creek 854 Comment
  UC618601  Ribes viscosissimum W. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  SEINET13763683 Image available Rigiopappus leptocladus R. R. Halse 2016-5-29 9719 Siskiyou Alin Hilt Road, ca 2.1 miles NW of Hilt, on the CA/OR state line. 876 Comment
  HSC29245  Romanzoffia sitchensis Frederick W. Oettinger 1968-9-1 650 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's Lake 1799 Comment
  HSC77283  Rorippa curvisiliqua L. P. Janeway 1983-8-27 620 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  RSA237284  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-12 495 Siskiyou Just before first moraine enroute to Tobacco Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC146749  Rosa gymnocarpa Alice Eastwood 1921-7-31 11018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  POM88247  Rosa pisocarpa Geo. D. Butler 1908-8-5 279 Siskiyou West Fork of Wooley Creek. 1677 Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  SEINET11897196  Rosa pisocarpa C. G. Pringle 1882-1 s.n. Siskiyou Pacific slope Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC65268  Rubus lasiococcus R. White 1977-6-4 79 Siskiyou 1/4 mi. from Buck Lake by trail 1250 Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA68895  Rubus parviflorus var. hypomalacus A. E. Culbertson 1943-7-12 62 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
  HSC27679  Rubus ursinus Carl W. Mize 1972-6-8 37 Siskiyou By Wooley Creek in rocks and sand 335 Comment
  LA208247  Rubus ursinus Wm. Bridge Cooke; 1939-7-14 13689 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC93540  Rumex crispus Lowell Ahart; John Dittes 2005-6-10 12061 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA237864  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-22 1495 Siskiyou SE of Horse s Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  RSA759838  Salix Robert F. Thorne 1969-8-2 63399 -b Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  RSA186320  Salix eastwoodiae Gilbert Muth 1966-10-16 4 Siskiyou Marble Mountains 1793 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238013  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Near Horse's Hole. Horse Range Lake Basin. The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  CAS-BOT-BC107780  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  RSA211241  Salix jepsonii William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  CAS-BOT-BC107656  Salix jepsonii W. R. Dudley 1907-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains Comment
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  UC119338  Salix laevigata var. congesta Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  UC482250  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  CAS-BOT-BC125480  Salix lasiandra var. lasiandra L. E. Smith 1913-4-2 621 Siskiyou Sisson Comment
  CAS-BOT-BC107062  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-BC107072  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1500 Comment
  CAS-BOT-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
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  UC482240  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1455 Comment
  CAS-BOT-BC129519  Salix melanopsis Isabelle C. Kimber 1934-6-9 18 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  LA208909  Salix scouleriana Wm. Bridge Cooke; 1938-6-17 11053 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC482263  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above creek in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  RSA200635  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E. H. Marlow prop., Greenhorn Valley, ca. 2 mi. W of Yreka. Comment
  UC441306  Sambucus melanocarpa Annie M. Alexander and Louise Kellogg 1911-6-17 155 Siskiyou Jackson L. 1798 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
  UC1333332  Sambucus racemosa var. microbotrys Dorothy Parker 1949-8-12 364 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain (along banks) 1524 Comment
  HSC22467  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1369 Siskiyou Above S Russian Creek. 2012 Comment
  UC648264  Sanicula graveolens John Thomas Howell 1939-8-2 14915 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  JEPS81880  Sanicula tuberosa Roger Raiche 1982-7-4 20532 Siskiyou Mount Eddy 2072 Comment
  UC909335  Sanicula tuberosa Ira L. Wiggins 1950-5-28 12381 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); headwaters of Grouse Creek 1737 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  JEPS74411  Saponaria officinalis W. B. and V. G. Cooke 1974-8-20 49245 Siskiyou Everett Memorial Highway Mt. Shasta (Mt. Shasta) Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CDA8574  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  RSA256599  Saxifraga nidifica J. P. Smith 1974-5-25 7475 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  UC187668  Saxifraga oregana Mrs. R. M. Austin July 1884 122 Siskiyou Pot Hole Springs Comment
  UC166561  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou Highland Mine Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  HSC39087  Scirpus congdonii D. H. Norris May 1970 12274 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UC1112259  Scirpus congdonii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5954 Siskiyou Gumboot Lake ca 6 mi due s Mt. Eddy (head of South Fork Sacramento River, Gumboot Lake); Gumboot Lake, head of South Fork Sacramento River 1859 Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  UC726395  Scutellaria antirrhinoides A. A. Heller 1919-6-25 13270 Siskiyou Compton's Prairie Comment
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  SEINET13709498  Scutellaria galericulata Lowell William Ahart, Lowell William Ahart 1998-1 9350 Siskiyou NE of Weed and S of Macdoel in An Area of Marshes and Wet Meadows along Old State Hwy on The W Side of Bray (T44N, R1W, sec 20, SE 1/4) 1417 Comment
  RSA64691  Scutellaria siphocampyloides Albert M. Vollmer, L. Beane 1951-6-2 42 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  HSC69136  Sedum laxum Maralyn A. Renner 1980-8-8 2482 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS105134  Sedum laxum subsp. flavidum Dean W. Taylor 1996-7-12 15794 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  UCSB22042  Sedum obtusatum 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
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC59369  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1081 Siskiyou E side of Pigeon Roost, on trail 3080 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  RSA264940  Sedum oregonense Gilbert Muth 1975-7-31 5361 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  CAS-BOT-BC64652  Sedum oregonense Doris K. Kildale 1928-8-19 6541 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  RSA603123  Sedum stenopetalum subsp. stenopetalum L. C. Wheeler 1934-8-14 3142 Siskiyou E end White Mt.; Siskiyou Mts. (Mt. Diablo Mer.) 1829 Comment
  CAS-BOT-BC496370  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  UCD77997  Senecio aronicoides Robert E. Preston 2001-6-23 1614 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1889 Comment
  RSA0013321  Senecio aronicoides A. E. Culbertson 94 Siskiyou near Forest Service Camp Grd., about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to n.e. 1524 Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  JEPS94761  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC74441  Senecio jacobaea M. A. Baker 1980-6-20 2193 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC364440  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS37600  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley 1676 Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  CAS-BOT-BC364447  Senecio triangularis Wm. Bridge Cooke 1938-9-8 11678 Siskiyou Mount Shasta. Panther Creek Meadow Comment
  POM5593  Senecio triangularis E. B. Copeland 1903-8-19 3811 Siskiyou Mt. Eddy. 1463 Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  HSC83925  Sibbaldia procumbens K. Berg, Stephanie Bennett 1986-8-25 642 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 Comment
  HSC103910  Sidalcea asprella subsp. nana Dana York 2010-9-12 3018 Siskiyou Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road 1250 Comment
  UC1013143  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou on road to Waldo 4 mi n Happy Camp; n of Happy Camp on rd to Waldo Comment
  OBI55470  Sidalcea oregana subsp. spicata David J. Keil, Kathleen Keil 1992-7-21 23535 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC108899  Sidalcea oregana subsp. spicata T. S. Brandegee July 1888 Siskiyou Sisson's Comment
  UC871508  Sidalcea oregana subsp. spicata Alice Eastwood 1921-7-28 10964 Siskiyou Medicine Lake Comment
  POM61867  Sidalcea oregana subsp. spicata E. B. Copeland, B. Greene 1908-8-12 3822 Siskiyou Sisson. Comment
  CAS-BOT-BC174858  Silene campanulata subsp. campanulata A. M. Vollmer; L. Beane 1951-6-2 77 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC181184  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Road Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  RSA237846  Silene campanulata subsp. glandulosa Frederick W. Oettinger, R. F. Thorne 1969-8-9 1315 Siskiyou Below first river crossing, region of Abbott s Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  HSC61456  Silene grayi Ruby Van Deventer 1938-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389436  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC618596  Silene lemmonii W. B. Cooke 1938-7-1 11126 Siskiyou near Bear Springs (Mount Shasta); , near Bear Springs 1524 Comment
  HSC99976  Silene marmorensis Thomas W. Nelson, & Sydney Carothers 2005-7-17 9385 Siskiyou Along Etna-Forks of the Slamon Rd. at China Point, 2 mi. SW of Red Bank Campground (river access point). 544 Comment
  UC1475705  Silene marmorensis Clifton and Griswold 1979-6-26 6006 Siskiyou close to town Forks of Salmon (Little North Fork, near Salmon River); Sawyer's Bar Quad., near Salmon River, Little North Fork 683 Comment
  CAS-BOT-BC389537  Silene menziesii Volney Rattan 1913-6-1 s.n. Siskiyou Klamath Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  CAS-BOT-BC75156  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5901 Siskiyou Klamath River at Mack's Creek near Hamburg. 457 Comment
  CAS-BOT-BC75157  Sisymbrium altissimum Doris K. Kildale 1929-6-25 8372 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  RSA120903  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou Roadcut just S of Weed. Comment
  HSC29255  Sisyrinchium idahoense var. idahoense Frederick W. Oettinger 1969-8-1 1125 Siskiyou Marble Mtn. Wilderness Area, margins of Wiregrass Meadow below English Lake in English Lake Basin 1677 Comment
  UC637146  Smilacina racemosa Edward Lee 1934-8-13 1070 Siskiyou Happy Camp to Waldo (oregon) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  RSA96931  Smilax californica Percy C. Everett, E. K. Balls 1954-10-12 20273 Siskiyou Along Beaver Creek, N of Walker, 4.8 mi S from Beaver Creek Forest Service. 335 Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  UC30091  Smilax jamesii Harley P. Chandler June, 1901 1625 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC72241  Solanum dulcamara Vernon H. Oswald; Lowell Ahart 1998-9-16 9637 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CDA8727  Solidago canadensis subsp. elongata T. C. Fuller 1960-7-25 4868 Siskiyou North limits of Mt. Shasta City. 0 Comment
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy Comment
  HSC27098  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1972-9-14 5809 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  CAS-BOT-BC365981  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou S. side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 mi. w. of Hatfield 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
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At 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
  CHSC69090  Sorbus californica Vernon Oswald; Lowell Ahart 1997-7-28 8794 Siskiyou Southeast of Medicine Lake at Paynes Springs. On the walls of Paynes Creek Canyon north of the campground. 1981 Comment
  HSC27340  Sorbus californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5668 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 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
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  SBBG33705  Sorbus scopulina W. M. Plumb 1969-9-23 Siskiyou Indian Crk Comment
  HSC67491  Sparganium angustifolium J. P. Smith, Steve Selva 1970-6-15 3915 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA0097340  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  RSA0097344  Spergularia rubra Frederick W. Oettinger 1969-8-31 1569 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1753 Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  RSA472772  Spiraea densiflora Louis C. Wheeler 1934-8-14 3125 Siskiyou North side White Mountain; Siskiyou Mountains. 1768 Comment
  CAS-BOT-BC149690  Spiraea douglasii Alice Eastwood 1921-7-24 10717 Siskiyou Castle Lake Comment
  HSC18902  Spiraea douglasii J. O. Sawyer 1968-7-10 465 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS45019  Spiraea douglasii W. L. Jepson Jul 1894 13855 Siskiyou Sisson Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  SBBG27213  Spiraea douglasii L. C. Wheeler 1934-8-16 3176 Siskiyou 2 mi SE White Mtn 1737 Comment
  UC164063  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat 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
  HSC63578  Stachys rigida J. P. Smith, J. O. Sawyer 1971-9-18 4843 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC42888  Stachys rigida Ken Stillman 1976-8-15 404 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC175332  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1939-7-7 13623 Siskiyou At Wagon Camp Comment
  HSC68021  Stellaria borealis subsp. sitchana J. P. Smith, Steve Selva 1970-6-16 4036 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  UCSB276  Stephanomeria lactucina Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway, Mt. Shasta 1219 Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC98333  Stipa lemmonii J. O. Sawyer 1969-6-12 904 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC87838  Streptanthus tortuosus Alice Eastwood 1912-7-19 1241 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  CAS-BOT-BC87851  Streptanthus tortuosus A. A. Heller 1940-7-25 15767 Siskiyou Along the trail below Horse Camp, Mount Shasta. 2286 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  SFV1525  Streptanthus tortuosus J. Major 1961-7-14 636 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC18894  Streptopus amplexifolius J. O. Sawyer 1968-6-18 179 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC164034  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-3 95 Siskiyou Log Lake; Shackleford Creek Comment
  UCD139812  Streptopus amplexifolius var. americanus John M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UCD99558  Suaeda calceoliformis Verne Grant; Irving Scheider 1947-8-26 8300 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  HSC637  Suksdorfia ranunculifolia William J. Ferlatte 1967-6-30 593 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC245835  Symphoricarpos C. Hart Merriam 1919-10-12 s.n. Siskiyou Etna, Scott Valley Comment
  CHSC56532  Symphoricarpos albus var. laevigatus L. P. Janeway 1984-6-21 860 Siskiyou South side of Klamath River just east of Humbug Point. 594 Comment
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC889891  Symphoricarpos albus var. laevigatus Alice Eastwood 1912-7-17 1192 Siskiyou Sisson Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  UC637179  Symphoricarpos mollis Edward Lee 1934-8-14 1100 Siskiyou near Little Grayback summit (Siskiyou-Del Norte county line); Little Grayback 1859 Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  RSA238709  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC97946  Symphyotrichum frondosum Louis C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek, Siskiyou Mts. 1219 Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  UC1192077  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-25 8281 Siskiyou west side of Tule Lake Comment
  CAS-BOT-BC98434  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9025 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98440  Symphyotrichum spathulatum Wm. Bridge Cooke 1940-7-5 15259 Siskiyou Mount Shasta, in wet places throughout lower Wagon Camp 1737 Comment
  JEPS100300  Symphyotrichum spathulatum var. spathulatum Dean W. Taylor 2001-8-28 17908 Siskiyou Mt. Shasta, Ash Creek Butte, Suprise Lake 2057 Comment
  POM359939  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC85244  Taxus brevifolia Doris K. Kildale 1929-7-20 8661 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC27602  Taxus brevifolia Carl W. Mize 1972-6-10 51 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  UC401318  Taxus brevifolia Geo. D. Butler 1908-8-22 229 Siskiyou El<?>hed<?>es Corral Russian Creek Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  UCSB22756  Tellima grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CHSC88778  Tetradymia canescens Jenny Marr 1993-7-1 197 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  POM100448  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  JEPS25169  Thelypodium brachycarpum G. Thomas Robbins 1959-6-10 4042 Siskiyou 4 mi s Gazelle (along U.S. Highway 99); Shasta Valley 914 Comment
  CAS-BOT-BC88080  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake. 1280 Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  CAS-BOT-BC344988  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 825 km N of Raspberry Lake just W of main trail 1575 Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  CAS-BOT-BC66799  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  JEPS74511  Tofieldia occidentalis subsp. occidentalis W. J. Ferlatte 1966-8-16 369 Siskiyou Big Flat Hillside Trinity Alps 1524 Comment
  JEPS97190  Tofieldia occidentalis subsp. occidentalis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95048 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  CAS-BOT-BC169252  Toxicodendron diversilobum Alice Eastwood 1921-7-31 11019 Siskiyou Shasta Springs Comment
  HSC46950  Tragopogon dubius William J. Ferlatte 1974-7-16 1550 Siskiyou Big Flat near South Fork of the Salmon River, 100 yds. W of campground 1524 Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  UC1187356  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6870 Siskiyou 3 mi below(N) of Scott Mountain road summit (on road to Callahan) 1219 Comment
  HSC39320  Trifolium eriocephalum J. P. Smith 1974-5-26 7386 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET10487850  Trifolium eriocephalum Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6980 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi sw of callahan. 1524 Comment
  CAS-BOT-BC219042  Trifolium howellii Doris K. Kildale 1928-8-18 6434 Siskiyou Finley's Upper Camp near head of north fork of Salmon River 1676 Comment
  JEPS80509  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  UCD111253  Trifolium longipes A. C. Hoofer 1926-8-27 s.n. Siskiyou Siskiyou Mtn., Preston Peak Dist. Comment
  RSA237889  Trifolium longipes subsp. elmeri Frederick W. Oettinger 1968-8-17 553 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area,Wet meadow north to northeast of Pine Lake. 1951 Comment
  UC968630  Trifolium longipes var. elmeri C. L. Hitchcock and J. S. Martin 1939-7-7 5275 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  JEPS124492  Trifolium pratense Daniel Slakey 2015-7-14 165 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  UCD109298  Trifolium productum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake. Comment
  HSC18997  Trifolium repens J. O. Sawyer 1969-7-26 1585 Siskiyou Along Sugar Creek 1707 Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  SBBG25900  Trifolium wormskioldii D. Myrick 1966-8-13 1549 Siskiyou Big Flat Cmpgrd, Mountain Meadow Ranch, Big Flat Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 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
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC133470  Trillium ovatum Doris K. Kildale 1928-7-4 5471 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  HSC19419  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 482 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CDA15527  Trisetum canescens G. F. Hrusa 1998-7-5 14695 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Perennial in dry deep shade of woods, growing in soft duff. Mile 8.2. Comment
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  HSC73336  Trisetum spicatum Gail Newton 1980-6-20 464 Siskiyou Near Bald Mtn. 1097 Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  RSA238975  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou SSW of Little Hancock Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC92573  Trisetum wolfii Jennifer Whipple 1978-10-6 2434 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM109795  Triteleia crocea Geo D. Butler 1910-5-5 1287 Siskiyou [Huckleberry] Mountain. 1220 Comment
  CAS-BOT-BC522344  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  UC635730  Triteleia ixioides subsp. anilina D. Tebbe 1929-6-7 143 Siskiyou Mt. Eddy Comment
  HSC91436  Tsuga mertensiana Jenn