Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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-BC77931  Abies H. A. Thomas; J. H. Thomas 1954-7-24 4517 A Siskiyou Salmon-Trinity Mts., Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville 1981 Comment
  UC1029452  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahans); Salmon Mountains 1828 Comment
  HSC44565  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #118 2287 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC331019  Acer glabrum var. glabrum Annie M. Alexander; Louise Kellogg 1948-9-8 5599 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC331023  Acer glabrum var. glabrum John Thomas Howell 1937-7-26 13554 Siskiyou Caribou Gulch Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  UC933425  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1948-9-8 5599 Siskiyou top of grade between Sawyers Bar and Etna; top of grade btw Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC332791  Acer macrophyllum Wm. Bridge Cooke 1940-7-12 15306 Siskiyou Near the Box Canyon of the Sacramento near Mt. Shasta City Comment
  CAS-BOT-BC332794  Acer macrophyllum Doris K. Kildale 1928-7-3 5452 Siskiyou Little North Fork, Salmon River Comment
  SEINET7893887  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbug Cr. Comment
  CAS-BOT-BC30433  Achillea millefolium J. H. Thomas; H. A. Thomas 1954-7-21 4429 Siskiyou Salmon-Trinity Mtns., about 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC630400  Achillea millefolium Annetta Carter 1939-8-21 1476 Siskiyou summit of peak above se end (12 mi sw of Etna) Taylor Lake; Salmon Mountains 2286 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
  HSC29202  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, ridges above English Lake basin, 'Shasta Ridge 2073 Comment
  CDA24385  Achlys triphylla T. C. Fuller 1958-6-18 1818 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  SEINET232908  Achnatherum occidentale subsp. californicum L. R. Firestone 1983-8-11 8342 Siskiyou About 30 mi east of Mt. Shasta along CA 89 1341 Comment
  UC1265475  Achnatherum occidentale subsp. californicum Frederick W. Oettinger and R. F. Thorne 1969-8-4 1156 Siskiyou near Halfway Spring (on trail from English Lake to Diamond Lake; vicinity of English Peak Marble Mountains Wilderness Area); Salmon Mountains, High Lake Basins 1828 Comment
  UC891059  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Yreka Creek; Siskiyou Mts., Yreka Creek 853 Comment
  UC13901  Aconitum columbianum W. C. Blasdale 1894-8-1 Siskiyou Sisson Comment
  UC375343  Aconitum columbianum Geo. D. Butler 1908-8-10 364 Siskiyou Shackleford Creek Comment
  UCD95340  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy. 1828 Comment
  CAS-BOT-BC391507  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391528  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-8-18 6460 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC412920  Aconogonon davisiae Gilbert J. Muth 1969-8-6 1221 Siskiyou Boulder Peak Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  CHSC30237  Aconogonon newberryi M. S. Taylor; J. Prouty, E. Heinetz 1980-8-19 3269 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC28742  Actaea rubra Frederick W. Oettinger 1969-8-21 1483 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC29323  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou Watershed of west branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  OBI80258  Adenocaulon bicolor David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC336685  Adiantum aleuticum unknown July 1881 Siskiyou near Shasta Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  HSC77050  Agastache urticifolia K. T. Stillman 1976-7-7 171 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UCD124992  Agastache urticifolia A. H. Murphy 1958-8-4 58 D Siskiyou Klamath National Forest, Little Elk Lake. 1676 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CAS-BOT-BC21370  Agoseris aurantiaca var. aurantiaca G. J. Muth 1969-8-8 1293 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC21375  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1921-7-29 10946 Siskiyou Medicine Lake Comment
  UC165966  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 1908-8-8 303 Siskiyou head of, along trail Woody Creek, West Branch Comment
  UC609358  Agoseris aurantiaca var. aurantiaca Eleanor Burks Hart 1938-8-21 Siskiyou Upper Wright Lake Upper Wright Lake 2225 Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  SEINET6738580 Image available Agoseris grandiflora G. D. Butler 1918-6-10 1555 Siskiyou Near Yreka Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  CDA9942  Agoseris heterophylla F. D. Horn 1979-4-29 Siskiyou Horn Ranch, Etna. 0 Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET3916088  Agrostis diegoensis A. M. Alexander, Louise Kellogg 1949-7-20 5818 Siskiyou Paradise Lake, Marble Mountains.; 0 1920 Comment
  UC618637  Agrostis exarata W. Bridge Cooke 1938-7-15 11223 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UCD35431  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52273  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UCD52352  Agrostis exarata A. H. Murphy 1956-8-15 56 I Siskiyou Klamath National Forest, Tangle Blue Creek. 1767 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC39909  Agrostis gigantea J. P. Smith, Steve Selva 1970-7-16 4376 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA239059  Agrostis idahoensis Frederick W. Oettinger 1968-9-6 736 Siskiyou Meadow toward peak from Bear Meadow, Tom Lakes region. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2182 Comment
  HSC22462  Agrostis pallens J. O. Sawyer 1969-7-24 1471 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC34146  Agrostis scabra J. O. Sawyer 1969-8-18 1989 Siskiyou S Sugar Lake Creek 1829 Comment
  RSA238341  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1523 Siskiyou Near inlet to Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC76717  Agrostis variabilis K. T. Stillman 1976-7-31 349 Siskiyou Marble Mountain Wilderness Area: E facing slope N from Black Mt. towards Jump off point. 2012 Comment
  UCD53689  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  RSA233716  Allium acuminatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest, ca. 15 air miles SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC462377  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  CHSC118453  Allium amplectens Julie Kierstead Nelson; Martin Lenz, Rhonds Posey, Brenna Mmontagne 2016-6-9 2016 -004 Siskiyou Lower Parks Creek watershed, E Klamath Range; seasonally wet sloping grassland in Pinus jeffreyi-Calocedrus decurrens woodland on untramafic clay soil, along Forests Service Road 42N19, 3 miles noerthwest of Stewart Springs. UTM NAD 83 Zone 10, 539582m E, 458690m N. 1371 Comment
  UC357193  Allium bolanderi var. bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou near Oro Fino Comment
  CAS-BOT-BC469231  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC469234  Allium falcifolium R. C. Barneby 1954-5-16 11529 Siskiyou 6 miles SW of Yreka 975 Comment
  CAS-BOT-BC469239  Allium falcifolium H. C. Cantelow 1936-5-21 s.n. Siskiyou About 2 miles up Scott Mt. grade out Callahan Comment
  HSC44754  Allium falcifolium J. O. Sawyer 1978-6-19 3259 Siskiyou Marble Mtn. Wilderness, along trail W of Grants Meadow 1860 Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  JEPS82459  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou flat above Marble Valley; Marble Mt. Wilderness Area, Marble Gap trail 1828 Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC803883  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4020 Siskiyou 10 mi w Weeds (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  UC796443  Alnus incana subsp. tenuifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11766 Siskiyou Forks of Salmon Rd about 6 mi from Etna 1676 Comment
  CAS-BOT-BC169640  Alnus rhombifolia Lewis S. Rose 1945-6-22 45182 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC169642  Alnus rhombifolia Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  HSC33980  Alnus rhombifolia J. P. Smith 1974-5-25 7442 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UC1333317  Alnus viridis subsp. sinuata Dorothy Parker 1949-5-26 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  UC1213791  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou along rd. between Gazelle and Callahan Comment
  UC163668  Amaranthus blitoides Geo. D. Butler 1909-8-18 1067 Siskiyou near Yreka Comment
  JEPS95323  Ambrosia artemisiifolia Vernon H. Oswald and L. Ahart 1994-8-10 6448 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  HSC4953  Amelanchier alnifolia var. pumila J. O. Sawyer 1968-7-10 481 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  NY418533  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. 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
  HSC41461  Amelanchier pallida J. P. Smith 1973-5-5 6510 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC4957  Amelanchier pallida J. O. Sawyer 1968-9-10 691 Siskiyou Below Young's Meadow on Clear Creek. 1372 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-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
Read comments
Dec 20 2007
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  RSA0089744  Amsinckia lycopsoides Douglas Barbe, Milo S. Baker 1955-7-1 071 Siskiyou 0.6 miles east of Etna. 854 Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC38  Anemone deltoidea William J. Ferlatte 1966-6-22 112 Siskiyou Josephine Lake Basin 1677 Comment
  HSC44378  Anemone deltoidea Maralyn O'Meara 1973-6-25 234 Siskiyou Music Creek 1463 Comment
  SJSU6489  Anemone deltoidea R. W. Trivelpiece 1972-6-14 105 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  RSA105354  Anemone deltoidea G. D. Barbe 1955-7-6 135 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  HSC45  Anemone drummondii William J. Ferlatte 1967-6-29 573 Siskiyou Yellow Rose Mine 1982 Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  CAS-BOT-BC391931  Anemone lyallii W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, Mt Shasta region Comment
  UC8901  Anemone multifida Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC391976  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  UC585141  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2005 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  UC8932  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC71421  Angelica breweri J. M. DiTomaso 1980-9-1 1973 Siskiyou Doe Flat, 15 mi up Jones Valley Rd. 1220 Comment
  HSC29191  Angelica tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou Marble Mountain Wilderness Area, High Lake Basins: 0.1 mi E of Tom Taylor Cabin 2012 Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  JEPS94738  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1998-7-21 9312 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  SEINET2030021 Image available Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  UC485661  Antennaria geyeri Katharine Brandegee Siskiyou Edgewood Comment
  UCR70793  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  CAS-BOT-BC58722  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou Near McCloud Comment
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  JEPS82731  Antennaria howellii subsp. howellii Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  HSC27485  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer 1972-5-27 5354 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC84731  Antennaria umbrinella Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CAS-BOT-BC397937  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 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
  RSA366903  Aquilegia formosa Bonnie C. Templeton 1960-6-21 8541 Siskiyou Near summit of Scott Mt. Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  CAS-BOT-BC395150  Aquilegia formosa Donald Myrick 1961-6-20 280 Siskiyou Bear Springs, S slope of Mt. Shasta 1676 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
  HSC22411  Arabis divaricarpa var. interposita J. O. Sawyer 1969-7-25 1550 Siskiyou West of High Lake 2256 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC29187  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: W side of Horse Range Lake 1829 Comment
  HSC67807  Arabis holboellii var. pinetorum J. O. Sawyer, J. Cole 1980-7-22 3961 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA47780  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11858 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC74080  Arabis holboellii var. retrofracta J. P. Smith 1978-5-28 9954 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  HSC6537  Arabis holboellii var. retrofracta R. C. Wunner 1965-6-29 288 Siskiyou California Lava Beds National Monument; S. Tichner Rd., 1.5 mi. S from Mammoth Crater 1555 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC40063  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  UC1173728  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi above mouth of Salmon River) 182 Comment
  HSC64940  Arabis platysperma var. howellii D. L. Goforth 1979-7-19 275 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, S of upper lake 2195 Comment
  HSC66304  Arabis platysperma var. howellii Maralyn A. Renner 1980-8-7 2377 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC1333315  Arabis sparsiflora var. atrorubens Dorothy Parker 1949-5-8 282 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  HSC42970  Arabis sparsiflora var. subvillosa J. O. Sawyer, Ken Stillman 1976-5-29 2746 Siskiyou Along Specimen Creek 1433 Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  JEPS48632  Aralia californica Geo. D. Butler 1908-8-24 457 Siskiyou Russian Creek, Eldredge's Corral 1219 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  RSA238708  Arceuthobium abietinum Frederick W. Oettinger 1968-9-5 712 Siskiyou At 'Base Camp' Meadow at mid-trail between Diamond and Hancock Lakes. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET3831773  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1280 Siskiyou 2 km N of Park Creek Divide on FR. 17; On pinus monticola DOugl. ex D. Don 1990 Comment
  CAS-BOT-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  CAS-BOT-BC102220  Arctium minus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  HSC22079  Arctostaphylos nevadensis J. O. Sawyer 1969-6-10 1305 Siskiyou Above S Sugar Lake, SE facing slope 2165 Comment
  JEPS49538  Arctostaphylos nevadensis W. L. Jepson 1940-6-27 20040 Siskiyou e slope Mt. Shasta 1828 Comment
  CAS-BOT-BC45414  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  CAS-BOT-BC46431  Arctostaphylos patula Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-2 s.n. Siskiyou SW. of Deadwood Peak Lookout. 1653 Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  CAS-BOT-BC46522  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20779 Siskiyou Humbug Rd. near Yreka. 914 Comment
  HSC43388  Arctostaphylos patula Maralyn O'Meara 1974-5-26 465 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
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Feb 9 2009
  UC673189  Arctostaphylos patula Lincoln Constance and Reed C. Rollins 1942-5-14 2921 Siskiyou 3 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  CAS-BOT-BC46451  Arctostaphylos patula Ella Dales Cantelow 1940-6-2 3744 Siskiyou W. of Indian Nells Ranger Station. Comment
  SEINET11990947  Arctostaphylos patula Unknown 1983-1 4887 Siskiyou Terrace Lake 1898 Comment
  RSA47638  Arctostaphylos viscida subsp. viscida Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11799 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC82251  Arnica chamissonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  JEPS95046  Arnica chamissonis Vernon Oswald and Lowell Ahart 1997-7-28 8805 Siskiyou 10.9 mi n of Highway 89 (meadow on the e side of Forest Route 15); Forest Route 15 1383 Comment
  HSC42917  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2790 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC455482  Arnica discoidea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  RSA126299  Arnica discoidea I. L. Wiggins 1955-7-23 13465 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  HSC101399  Arnica lanceolata subsp. prima J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13056 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  UCD129198  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Klamath N.F. 1981 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  RSA238813  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou NW above upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC558481  Arnica viscosa W. B. Cooke 1936-8-1 Siskiyou first creek s of Horse Camp; Mount Shasta 2438 Comment
  UC892236  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  HSC2270  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  UC1190087  Artemisia tridentata subsp. tridentata George H. Ward and Ann Ward 1949-7-14 828 Siskiyou 15 mi ne Weed Comment
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  RSA237599  Aruncus sylvester Frederick W. Oettinger 1969-9-4 1670 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD137842  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area. 1524 Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  CAS-BOT-BC400703  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  POM301663  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou South Slopes, Cayenne Ridge, Marble Mountain Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  UC1216703  Asparagus officinalis subsp. officinalis W. B. and V. G. Cooke 1958-10-10 Siskiyou between High School and Howard (along little used rd., Mt. Shasta); Mt. Shasta 1219 Comment
  RSA13849  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  RSA47776  Aspidotis densa Roxana S. Ferris, Laura Lorraine 1948-6-16 11794 Siskiyou Scott Mountain Road south of Callahan Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  RSA0000901  Aster copelandii E. B. Copeland 1903-9-7 3687 Siskiyou Mt. Eddy. 2744 Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  RSA211214  Aster ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine. Trinity Alps 1982 Comment
  RSA502325  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  CAS-BOT-BC290611  Asteraceae Peter Rubtzoff 1978-6-26 9219 Siskiyou South margin of Grass Lake near Hwy. 97. Comment
  RSA109723  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  NY658496  Astragalus filipes J. W. Thompson 1936-7-9 13167 Siskiyou Lava Beds National Monument Comment
  UC1731130  Astragalus inversus Dean Wm. Taylor with Glenn L. Clifton, Rexford E. Palmer, Roy Buck 1987-6-24 9049 Siskiyou vicinity of Mud Well, McCloud River headwaters 1402 Comment
  CAS-BOT-BC193065  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  HSC27967  Asyneuma prenanthoides Carl W. Mize 1972-6-21 72 Siskiyou Past the first creek along trail. 305 Comment
  JEPS50864  Athyrium distentifolium var. americanum Al Hobart 1967-8-8 Siskiyou n slope of Preston Slope; westernmost Siskiyou Co 1828 Comment
  UC399393  Athyrium distentifolium var. americanum Geo. D. Butler 1909-7-15 876 Siskiyou head of Taylor Creek Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  HSC39745  Athysanus pusillus J. O. Sawyer 1970-4-4 2090 Siskiyou Along Sugar Creek 823 Comment
  HSC2326  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  CDA10483  Balsamorhiza deltoidea T. C. Fuller 1958-4-16 4752 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC1540008  Balsamorhiza sagittata M. Mitchell 1936-5-8 7 Siskiyou 1/4 mi e of, on road Symbol Bridge 1417 Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CDA23015  Berberis aquifolium G. D. Barbe 1980-4-29 2607 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC31619  Berberis aquifolium var. repens Glenn McGourty 1974-5-25 54 Siskiyou 1402 Comment
  HSC65093  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6436 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC77494  Berberis aquifolium var. repens L. P. Janeway, J. L. Ramstedt 1983-7-9 395 Siskiyou E of Preston Peak 1402 Comment
  HSC58851  Berberis nervosa Marvin Butler 1971-7-30 248 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  UCR51815  Berberis nervosa L. C. Wheeler 1934-6-29 02822 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mountain 1280 Comment
  CAS-BOT-BC75920  Berberis piperiana Doris K. Kildale 1929-5-11 7714 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75925  Berberis piperiana Doris K. Kildale 1929-7-20 8653 Siskiyou Trail up South Fork Indian's Creek to Elk Lick. Comment
  SBBG28471  Berberis piperiana H. P. Bracelin 1936-5-12 849 Siskiyou N base of Mt Eddy, 11 mi NW of Mt Shasta City; ca. 2 mi E of Burney Mill 1127 Comment
  CAS-BOT-BC75998  Berberis pumila Carl B. Wolf 1927-8-27 1110 Siskiyou On the Klamath River, Happy Camp. Comment
  CDA38213  Berula erecta T. C. Fuller 1959-10-14 3124 Siskiyou York Bros. Ranch, ca. 12 miles northeast of Montague. 0 Comment
  UC5392  Betula occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
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1
  UC893934  Bidens cernua Louis C. Wheeler 1934-10-21 3337 Siskiyou 4 mi e of Grenada (Shasta Valley); Shasta Valley 868 Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  CAS-BOT-BC127947  Blepharipappus scaber A. M. Vollmer; L. Beane 1951-5-31 21 Siskiyou On scree near highway, Scott Mountain Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  HSC41629  Blepharipappus scaber Barbara Kelly 1977-5-21 486 Siskiyou East side of road, Scott Valley. South boundary of Whipple Ranch 884 Comment
  POM208286  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  CAS-BOT-BC15797  Boechera acutina Alice Eastwood 1912-8-30 1963 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC16046  Boechera breweri subsp. shastaensis J. H. Thomas 1954-5-14 4175 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  UC136187  Boechera howellii Dr. E. B. Copeland 1903-8-16 3914 Siskiyou Mt. Shasta 2438 Comment
  UCD114343  Boechera howellii Robert E. Preston 1996-7-23 980 Siskiyou 1 mi e of Medicine Lake. 2072 Comment
  UC70397  Boechera platysperma Milo S. Baker 1898-8-7 484 Siskiyou Medicine Lake Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  RSA211104  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1190138  Boykinia major Ira L. Wiggins 1955-7-22 13447 Siskiyou 9.5 mi above Cecilville (gravel bar in S Fork of Salmon River); South Fork of Salmon River 1066 Comment
  RSA184648  Boykinia major Clare B. Hardham 1965-8-20 13008 Siskiyou Marble Mtns. Near Cudahy Lakes. Paso Robles. 1524 Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  CAS-BOT-BC30273  Brassica nigra Henry M. Pollard 1947-8-22 s.n. Siskiyou North of Somes Bar. Fontana's Fishing Lodge. Comment
  UC1034065  Brickellia grandiflora W. Bridge Cooke 1941-8-22 16209 Siskiyou above, in the Lava Park on the n side of Mt. Shasta Bolam Station; Mt. Shasta 1524 Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  SEINET10833757  Brodiaea elegans Edward L. Greene 1876-6-25 Greene s.n. 1876 Siskiyou Collected near Yreka, Cal. Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  CAS-BOT-BC144105  Bromus Ira L. Wiggins 1950-5-27 12354 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  UC144809  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Gazelle Comment
  UCD58313  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3388 Siskiyou At Weed. Comment
  CAS-BOT-BC149058  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC103041  Bromus hordeaceus J. P. Smith 2014-6-7 13899 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  UCD58887  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC162135  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  CAS-BOT-BC185593  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UCD59884  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS20950  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET7584067 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 767 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, just north of Tobacco Lake. 1890 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC488615  Calochortus elegans var. nanus A. A. Heller 1906-6-15 s.n. Siskiyou Near Sisson Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  SEINET8253677  Calochortus persistens Frank Callahan, John Erwin 2007-6-17 Siskiyou Cottonwood Peak northeast flank. Comment
  JEPS45936  Caltha biflora Rimo Bacigalupi and L. R. Heckard 1966-6-15 9180 Siskiyou In swampy edges Cedar Lake in The Eddys, upper drainage of the South Fork of the Sacramento River. 1731 Comment
  HSC69129  Caltha leptosepala Maralyn A. Renner 1980-7-24 2046 Siskiyou Lily Pad Lake 1768 Comment
  CHSC95109  Caltha leptosepala var. biflora L. P. Janeway 2006-7-4 8782 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC134365  Calycadenia truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  CAS-BOT-BC94429  Calyptridium umbellatum R. C. Wenk 2005-7-16 259 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  JEPS84334  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  CAS-BOT-BC497585  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC160898  Camissonia tanacetifolia subsp. tanacetifolia L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  RSA123573  Campanula prenanthoides G. D. Barbe 1955-7-28 317 Siskiyou Klamath Mts. 1/4 mile south-west of Big Carmen Lake on the north slope of Scott Mts. 1738 Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST 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
  SEINET10840321  Campanula prenanthoides Oettinger 1969-8-5 OETTINGER 1198 Siskiyou On southeast-facing slope along trail between Abbott's upper Cabin and English Lake, just above "Willow Springs" 1676 Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  SEINET10463371  Campanula scabrella Alice Eastwood 1912-8-30 Eastwood 2010 Siskiyou Mt. Eddy Comment
  JEPS25839  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 air mi nw Happy Camp (road along Del Norte-Siskiyou county boundary, ridge top dividing Indian Creek drainage from that of Illinois River--leading to Twin Valley) 1584 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10972087  Campanula scouleri Feudge 1927-7-22 FEUDGE 1775 Siskiyou Mt. Shasta City, damp shade of willows. 1067 Comment
  SEINET10972096  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou NR. SISSON Comment
  UC334031  Campanula wilkinsiana unknown 1888-9-12 Siskiyou springs near, w slope of mountain Horse Camp; Mt. Shasta Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  JEPS40857  Cardamine bellidifolia var. pachyphylla Paul C. Hutchison 1962-8-2 936 Siskiyou between Panther Meadow and top of ski lift Mt Shasta 2743 Comment
  SFV1447  Cardamine californica D. Parker 1949-5-8 222 Siskiyou Salmon Mountain Range along Kidder Creek. 915 Comment
  HSC22453  Cardamine oligosperma J. O. Sawyer 1969-6-11 860 Siskiyou Ravine just above CCC road 1280 Comment
  CAS-BOT-BC38118  Cardamine pensylvanica Alice Eastwood 1923-5-22 11889 Siskiyou Sissons. Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 Comment
  CAS-BOT-BC18393  Carex Elmer I. Applegate 1895-5-28 782 Siskiyou Strawberry Valley. Sisson. Comment
  HSC76854  Carex amplifolia L. P. Janeway 1982-6-27 27 Siskiyou Marshy area ca 125 m SE of Johnson Creek on the SW side of Elk Creek Trail. 732 Comment
  HSC41063  Carex amplifolia J. O. Sawyer 1969-6-27 861 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  HSC76844  Carex athrostachya L. P. Janeway 1982-8-13 121 Siskiyou 4 m from creeklet that joins Bear Creek 1555 Comment
  UCD140145  Carex athrostachya William E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  RSA233665  Carex breweri Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  UC823366  Carex breweri A. A. Heller 1922-7-3 13679 Siskiyou Mount Eddy above the head of Wagon Creek 2560 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC170  Carex cusickii William J. Ferlatte 1966-8-2 234 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC88398  Carex dudleyi Jenny Marr 1993-7-1 157 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC19872  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  RSA237279  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou At Base Camp mid-way down the trail from Diamond to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD140299  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains, Mt. Diablo Mer. Jaynes Canyon. 1950 Comment
  CAS-BOT-BC20751  Carex fracta Rimo Bacigalupi 1959-7-1 7209 Siskiyou Western Slopes at broadening base of Mt. Shasta. 1676 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  UC1265338  Carex laeviculmis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1179 Siskiyou just n Tobacco lake; Salmon Mountains, Marble Mountain Wilderness Area 1889 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
  SEINET10713534  Carex lenticularis var. impressa Annetta M. Carter 1939-8-20 Carter 1461 Siskiyou Forming dense clumps; moist sandy lakeshore, Canadian Zone; northwest side of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC96158  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  HSC37422  Carex leptopoda J. O. Sawyer 1968-7-10 493 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  HSC60834  Carex mertensii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  SEINET13390526  Carex multicaulis P. F. Zika 2012-5-18 25888 Siskiyou Klamath Range (KR), near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley 730 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  HSC97419  Carex multicaulis Jennifer Whipple 1978-7-20 2365 Siskiyou S face of Mount Eddy, draining into the N fork of the Sacramento River 2439 Comment
  POM79951  Carex multicaulis E. B. Copeland 1903-8-15 2380 Siskiyou Mt. Shasta. 2134 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  HSC29654  Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadows 1845 Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  CAS-BOT-BC119901  Carex nebrascensis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar, near NcCloud. Comment
  CHSC96088  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  HSC29644  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  RSA237319  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1164 Siskiyou Diamond Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  UCD140714  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls, east side of Mt. Eddy. 1524 Comment
  SEINET10949630  Carex paucicostata Thomas W. Nelson, Jane P. Nelson 1979-6-16 Nelson 4862 Siskiyou China Mountain Quad. T40N, R8W, Secs. 24 & 25. Drying meadow above Mule Creek along State Route 3, 4.4 miles north of Scott Mountain Summit. 1219 Comment
  CHSC86629  Carex praegracilis Jenny Marr 1993-7-1 12 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC470  Carex rostrata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin 1677 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC96604  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 485 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 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
  HSC265  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC76946  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1265477  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou slope se Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area 1722 Comment
  UC1034048  Carex straminiformis W. Bridge Cooke 1941-9-10 16309 Siskiyou vicinity Horse Camp; Mt. Shasta Comment
  HSC39370  Carex straminiformis J. O. Sawyer 1969-7-25 1535 Siskiyou Upper slope above High Lake 2104 Comment
  CAS-BOT-BC115842  Carex subfusca W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UCD140918  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1280 Comment
  RSA564999  Carex whitneyi D. W. Taylor, Glenn L. Clifton, R. E. Palmer 1987-6-7 9026 Siskiyou 0.7 miles west of Stud Hill. Modoc Plateau. 1646 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 Comment
  CAS-BOT-BC59708  Cassiope mertensiana Gilbert J. Muth 1969-8-10 1351 Siskiyou Buckhorn Lake. 2255 Comment
  HSC91306  Cassiope mertensiana Jennifer Whipple 1976-7-1 1221 Siskiyou Wagon Creek drainage near Wagon Creek 2317 Comment
  RSA760761  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC241150  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-24 10779 Siskiyou Castle Lake Comment
  HSC91232  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1977-7-20 2007 Siskiyou N slopes of Mt. Eddy 2287 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
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  POM15470  Castilleja applegatei subsp. pinetorum E. B. Copeland 1903-8-14 13125 Siskiyou Sisson. Comment
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Jan 23 2011
  RSA425926  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 miles north of Mount Shasta City. 1159 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  RSA666322  Castilleja arachnoidea Barbara J. Ertter 1990-7-16 9381 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge. 2317 Comment
  HSC20532  Castilleja linariifolia R. C. Wunner 1965-6-30 312 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  HSC61115  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  JEPS74146  Castilleja miniata J. M. Tucker 1974-7-27 4304 Siskiyou on bank Haypress Creek (Haypress Meadows); Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  SEINET14165199  Castilleja pruinosa G. D. Butler 1910-4-19 1148 Siskiyou Near Yreka. Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  CAS-BOT-BC47941  Ceanothus O. V. Matthews 1939-7-8 26 Siskiyou From along Kangaroo Mtn. (?) Forest Service trail near Seiad Grove of Bakers Cypress 1371 Comment
  CAS-BOT-BC48704  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  SD104892  Ceanothus cordulatus Darley Howe 1979-6-26 Siskiyou Road 1 mi. N of Ca. Hwy 89, 3 mi. E of McCloud 945 Comment
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Mar 5 2015
  UC484150  Ceanothus cordulatus H. E. McMinn and E. B. Babcock 1929-7-25 Siskiyou 8 mi n Dunsmuir 609 Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River 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
  CAS-BOT-BC50690  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-20 1251 Siskiyou Hornbrook Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC164315  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  UC1076021  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou on Scott Mountain road five mi s Callahan; s of Callahan Comment
  CHSC9495  Ceanothus velutinus J. F. Goodwin 1971-7-3 131 Siskiyou North side of road on dry rocky bank with scattered pines and firs, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  LA105199  Ceanothus velutinus Steve Morgan; 1987-7-28 sn Siskiyou Shasta-Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud, , S of Mt. Shasta 1767 Comment
  OBI36629  Ceanothus velutinus David J. Keil 1983-7-3 17381 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  UC1190266  Ceanothus velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches of China and Blind Horse Creeks 1463 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  UC165423  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  HSC43039  Cephalanthera austiniae J. O. Sawyer, K. T. Stillman 1976-7-2 2812 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC44959  Cerastium arvense J. O. Sawyer 1978-6-16 3222 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC2135  Cercis occidentalis C. B. Wolf 1927-8-27 1154 Siskiyou On Klamath River 1 mile above the mouth of the Salmon River. Comment
  RSA12610  Cercocarpus betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 miles from Oak Knoll RS on road to Dry Lake Lookout. 1067 Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  CAS-BOT-BC148513  Cercocarpus ledifolius var. ledifolius Frank W. Gould 1940-5-15 1253 Siskiyou Bald Mountain on road from Mt. Hebron to Montague 1676 Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  CAS-BOT-BC148529  Cercocarpus ledifolius var. ledifolius Ira L. Wiggins 1950-5-28 12377 Siskiyou Serpentine ridge just above Grouse Lake, headwaters of Grouse Creek 1828 Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  CAS-BOT-BC276759  Chaenactis douglasii var. douglasii A. A. Heller 1921-7-17 13575 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  UC193158  Chaenactis suffrutescens M. K. Curran 1887-6-1 Siskiyou Edgewood Comment
  UC195206  Chaenactis suffrutescens Annie M. Alexander and Louise Kellogg 1911-8-12 308 Siskiyou near Toad Lake 2072 Comment
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Mar 20 2012
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  HSC69735  Chamaecyparis lawsoniana Maralyn A. Renner 1980-6-26 1282 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD133317  Chamaecyparis lawsoniana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brian, Indian Creek Road. Jefferson State Scenic Byway. 1400 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  UC164022  Chamaesyce maculata Geo. D. Butler 1908-7-16 444 Siskiyou Klamath Rim Comment
  HSC19502  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-23 1169 Siskiyou Near Horse Range Creek. 1341 Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CHSC50  Cheilanthes gracillima V. Holt 1932-7-24 Siskiyou Mt. Eddy. Comment
  JEPS74470  Cheilanthes gracillima W. J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  HSC30345  Chlorogalum pomeridianum Dale R. Gradek 1974-5-26 54 Siskiyou 100 yds. E of Etna campground 915 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  RSA45310  Chrysanthemum leucanthemum Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1189 Comment
  HSC4940  Chrysolepis chrysophylla J. O. Sawyer 1968-6-18 188 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC68400  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-4 1449 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC100196  Chrysolepis chrysophylla var. minor J. P. Smith, & J. O. Sawyer 2011-9-5 13420 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  JEPS24624  Chrysolepis sempervirens Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6777 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everitt Memorial Highway to Panther Meadow, sw base of Mt Shasta); Mt. Shasta, Everitt Memorial Highway 1219 Comment
  RSA34968  Chrysolepis sempervirens Roxana S. Ferris, Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lava Beds National Monument; Shasta National Forest. Comment
  POM352008  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 732 Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  JEPS109395  Cinna latifolia Dean W. Taylor 2004-7-20 19196 Siskiyou Bear Spring, Mt. Shasta 1554 Comment
  HSC69340  Circaea alpina subsp. pacifica John Palmer 1980-8-13 787 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC285345  Cirsium andersonii C. G. Pringle August 28 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC278055  Cirsium cymosum Alice Eastwood; John Thomas Howell 1934-4-20 1738 Siskiyou 5 miles n. of Yreka Comment
  CAS-BOT-BC279879  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  SEINET5506296 Image available Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1829 Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  HSC26756  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC288772  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CDA1581  Cirsium scariosum var. robustum Don Shaw 1982-7-16 s.n. Siskiyou Butte Valley; west of Dorris, east of Secret Spring Mtn. Comment
  UC618645  Cirsium vulgare W. Bridge Cooke 1938-8-19 11514 Siskiyou road between Bear Springs and Howard 1219 Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  CAS-BOT-BC228987  Cistanthe umbellata L. E. Smith 1913-5-23 241 Siskiyou Weed Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC930719  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou n Sisson (near Black Butte) 1127 Comment
  SEINET10689277  Clarkia rhomboidea Edward L. Greene 1876-6-20 Greene 874 Siskiyou Collected near Yreka, California. Comment
  HSC16271  Clarkia stellata R. C. Wunner 1965-6-6 198 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  RSA332450  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  CAS-BOT-BC443810  Claytonia rubra subsp. rubra Roxana S. Ferris; Laura Lorraine 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  HSC37544  Claytonia rubra subsp. rubra J. P. Smith 1974-5-27 7607 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC64301  Claytonia rubra subsp. rubra J. P. Smith, Steve Selva 1970-6-16 4021 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC4464  Claytonia sibirica William J. Ferlatte 1967-7-9 692 Siskiyou Kidd Creek Trail 1677 Comment
  HSC4465  Claytonia sibirica William J. Ferlatte 1967-6-5 490 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CAS-BOT-BC92766  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  RSA8217  Clematis ligusticifolia Elmer I. Applegate 1923-9-6 3974 Siskiyou Klamath River mouth of Daggett Creek along wooded stream Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  HSC577  Clintonia uniflora William J. Ferlatte 1966-6-22 85 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  UC1409211  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou due w of Upper English Lake (in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA167238  Collinsia linearis Joseph P. Tracy 1951-6-16 19475 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  CDA17134  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 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
  HSC33976  Collinsia parviflora J. P. Smith 1974-5-25 7468 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  HSC72483  Collinsia rattanii J. P. Smith 1973-5-5 6388 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM43380  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley. Comment
  POM43376  Collinsia sparsiflora var. bruceae Geo. D. Butler 1909-4-4 574 Siskiyou Shasta Valley. Comment
  SEINET7096760  Collinsia torreyi A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC44931  Collomia grandiflora J. O. Sawyer 1978-6-19 3252 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  UC201122  Collomia grandiflora Dr. E. B. Copeland 1903-8-12 3932 Siskiyou Sisson Comment
  UCD118165  Collomia grandiflora J. M. Tucker 1974-7-28 4312 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  JEPS69762  Collomia tinctoria W. B. and V. G. Cooke 1972-6-30 45413 Siskiyou Military Pass road above Andesite crossing (in brush field beyond edge of road); Mt. Shasta Comment
  CAS-BOT-BC230673  Collomia tracyi Ira L. Wiggins 1955-7-22 13457 Siskiyou S Fork of Salmon River, 9.5 miles above Cecilville 1066 Comment
  RSA237990  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC163921  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek Comment
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UCSB24759  Corallorhiza maculata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  RSA50136  Corallorhiza maculata E. K. Balls 1949-7-10 13964 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  RSA150582  Corallorhiza mertensiana Lee W. Lenz 1961-6-23 24364 Siskiyou On the Oregon slope of the Siskiyou Mts., road between Happy Camp and OBrien 1220 Comment
  HSC493  Corallorhiza mertensiana William J. Ferlatte 1967-7-9 676 Siskiyou Along South Fork of the Salmon River between the campground and Carter's 1524 Comment
  NY68298  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CHSC105585  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. Lat. and Long. indicated +/- 30 feet. 1304 Comment
  UCD123171  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. 1304 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  CAS-BOT-BC376591  Cornus glabrata Andrew Townesmith; Karen M. Meyer 2007-8-3 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC212061  Cornus nuttallii Alice Eastwood 1922-10-18 115 Siskiyou Shasta Springs Comment
  CAS-BOT-BC210397  Cornus sericea L. B. Kildale 1930-5-31 9796 Siskiyou Island in Klamath River near Hornbrook Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  CAS-BOT-BC180199  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-10 3296 Siskiyou along Indian Creek Road, 18.1 miles NW of Happy Camp, Siskiyou Mountains 1280 Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  SBBG30619  Crepis acuminata D. Myrick 1968-6-22 1989 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UC313841  Crepis bakeri subsp. cusickii J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  CAS-BOT-BC290505  Crepis bakeri subsp. cusickii L. E. Smith 1915-5-1 s.n. Siskiyou Hilt Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  POM33148  Crepis monticola Geo. D. Butler 1910-6-2 1450 Siskiyou Near Yreka. Comment
  UC163904  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Road; near summit Comment
  JEPS36427  Crepis occidentalis W. L. Jepson Jul 17 1902-Jul 22 1902 2094 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  SEINET7838799 Image available Crepis occidentalis G. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  CAS-BOT-BC290868  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  HSC70597  Crepis pleurocarpa J. O. Sawyer, R. J. Cole 1981-7-2 4155 Siskiyou Near Scott Mtn. Campground 1585 Comment
  POM147907  Crepis pleurocarpa J. B. Feudge 1927-7-24 1803 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC2180  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek 854 Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  UC726531  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC857042  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CHSC93549  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-10 12070 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
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  JEPS67672  Cryptantha intermedia T. H. Gilbert 1899-7-1 25 Siskiyou Scott River Valley Comment
  POM228969  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 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
  SD53401  Cryptogramma cascadensis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2440 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC80548  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast [Goose Nest] Goosenest, East of Yreka 1828 Comment
  CAS-BOT-BC80562  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest - East of Yreka 1828 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  NY16607  Cupressus bakeri J. P. Carson 1978-1-12 273 Siskiyou Lassen National Forest, Hat Creek Ranger District. Timbered Crater, 16 miles north of Fall River Mills Comment
  RSA22756  Cupressus bakeri O. V. Matthews 1939-7-18 39 Siskiyou Northeast slope of Goose Nest, ca. 15 minute hike from end of recently abandoned caterpillar logging trail or drag-way 1524 Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  SEINET10531424  Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Wolf 2127 Siskiyou Modoc Lava beds, 1 mi N.E. of timbered crater on old stage Rd. from Dana to Little Hot Springs Valley. Arid transition:- Arctostaphlos Patula, Yellow Pines. Sun. Lava Rock. 1220 Comment
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  SEINET4467566 Image available Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-1 6169 Siskiyou Comment
  UC13703  Cupressus lawsoniana W. C. Blasdale 1894-8-3 Siskiyou Shasta Springs Comment
  HSC28731  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou Marble Mtn. Wilderness Area, SE of Tom Taylor Cabin 2027 Comment
  HSC61606  Cycladenia humilis Ruby Van Deventer 1970-6-6 Siskiyou Lookout Mtn. Comment
  RSA38304  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte 1220 Comment
  UC1045305  Cycladenia humilis var. humilis unknown 1940-8-22 15476 Siskiyou w. bank Mud Creek Canyon, Mt. Shasta Mt. Shasta, Mudd Creek Canyon Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  UC1177923  Cynoglossum occidentale Francia Chisaki and G. B. Newcomb 1958-6-21 1147 Siskiyou on rd. to and slopes of Everitt Hill (3.5 mi. e. of junction with Hwy. 89-99) 1447 Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  RSA15460  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  CAS-BOT-BC114150  Cyperus squarrosus Carl B. Wolf 1927-8-26 1087 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  HSC19006  Cystopteris fragilis J. O. Sawyer 1969-7-10 1291 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC189809  Dactylis glomerata Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CHSC61561  Danthonia californica var. americana L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat, in upper part of lower portion of meadow. 1524 Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC66240  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow 1555 Comment
  HSC67643  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-17 4466 Siskiyou Below Kangaroo Lake. 1890 Comment
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  HSC40239  Darmera peltata J. P. Smith 1976-5-5 8679 Siskiyou Rd. from Sawyers Bar to Somes Bar 488 Comment
  CAS-BOT-BC141830  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UCR142701  Datura stramonium L. C. Wheeler 1934-10-28 3350 Siskiyou Yreka 823 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  HSC43141  Daucus carota K. T. Stillman 1976-8-24 418 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  UC1125923  Delphinium andersonii M. H. Mitchell 1936-5-9 11 Siskiyou se slope Schonchin Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  CAS-BOT-BC9891  Delphinium nudicaule Doris K. Kildale 1930-6-1 9852 Siskiyou summit between Sawyers Bar and Etna Mills Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC26549  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS83989  Deschampsia cespitosa subsp. cespitosa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6358 a Siskiyou ca. 1/2 mi. s.e. of Red Butte (ca. 7 mi. n.-n.e. of Seiad Valley, s.w of Cook and Green Pass) 1730 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
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  CAS-BOT-BC42980  Descurainia incisa subsp. incisa Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  UCD77603  Descurainia incisa subsp. incisa Robert E. Preston 2001-6-30 1639 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  UC857353  Descurainia sophia Alice Eastwood 1912-7-16 1135 Siskiyou McCloud Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  SBBG2376  Dicentra pauciflora H. and M. Dearing 1938-6-28 2186 Siskiyou Mt Shasta 1828 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  HSC82484  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4799 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC1409326  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou just above Willow Springs (on trail between Abbott's Cabin and English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1691 Comment
  HSC76730  Dieteria canescens var. shastensis K. T. Stillman 1976-8-8 392 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 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
  SEINET8349011  Distichlis spicata Frank Callahan 2007-8-17 Siskiyou southeast of Dry Lake; access from I-5 to Louie Rd. northeast; land belongs to Sierra Pacific. 800 Comment
  UC1733727  Dodecatheon hendersonii Kay H. Beach, Frank Gould 1940-5-15 624 Siskiyou upper Bull Meadows Bull Meadows Comment
  HSC96876  Dodecatheon jeffreyi Gordon Leppig 1998-7-10 918 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA760361  Dodecatheon jeffreyi Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63377 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  UCSB24487  Dodecatheon jeffreyi Favere, R. 1968-3-24 Siskiyou 7 mi. down Klamath River Rd.; 5 1/2 mi. up Lumgrey Creek Rd., Siskiyou Mts. Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC99983  Downingia montana Thomas W. Nelson, & Sydney Carothers 2005-7-17 9384 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UC1094395  Downingia pulcherrima Rimo C. Bacigalupi with Galen Smith 1957-6-26 5937 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  JEPS103651  Downingia yina T. Obrien 1996-8-9 Siskiyou Klamath National Forest. Vernal pool approximately 6.0 miles E of HWY 97 on Tennant Road, W of Tennant 1463 Comment
  SBBG25838  Downingia yina D. Myrick 1966-8-8 1479 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  CAS-BOT-BC41310  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC41315  Draba pterosperma D. M. Traugh 1933-8-6 9 Siskiyou Klamath Forest. Marble Valley. 1981 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  HSC61834  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  JEPS74486  Drymocallis lactea var. austiniae W. J. Ferlatte 1966-6-22 92 Siskiyou along the South Fork Salmon River between the campground and Carter's (Trinity Alps); , South Fork Salmon River 1524 Comment
  CAS-BOT-BC159296  Drymocallis lactea var. lactea Alice Eastwood 1921-7-25 10843 Siskiyou Bigelows, McCloud River Comment
  HSC58950  Drymocallis lactea var. lactea Marvin Butler 1979-7-8 66 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC69350  Drymocallis lactea var. lactea Maralyn A. Renner 1980-8-21 2560 Siskiyou Kidd Creek 2043 Comment
  HSC90742  Drymocallis lactea var. lactea Jennifer Whipple 1976-7-8 1372 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC197268  Echinochloa muricata var. microstachya Carl B. Wolf 1927-8-26 994 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS100302  Eleocharis acicularis Dean W. Taylor 2001-8-28 17910 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  CHSC107139  Eleocharis decumbens R. E. Brainerd 2009-7-21 1536 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 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
  CAS-BOT-BC112698  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC451556  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  RSA119382  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou just north of campground, Scott Mtn., divide; Siskiyou-Trinity co. line, ca. 8 mi. se. of Callahan 1631 Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  POM2058603  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CHSC61570  Elymus glaucus subsp. glaucus L. P. Janeway 1983-8-26 610 Siskiyou Siskiyou Mountains; at Poker Flat. On upper side of road on the north side of the meadow. 1524 Comment
  HSC102662  Elymus lanceolatus subsp. lanceolatus J. P. Smith 2009-6-1 12620 Siskiyou Gazelle to Callahan Road. Comment
  UCD62652  Elymus trachycaulus Beecher Crampton 1956-8-21 3824 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  CHSC61572  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  RSA129177  Elymus trachycaulus subsp. trachycaulus H. S. Yates 1936-6-21 5819 Siskiyou 1 mile S E of Gazelle. Etna. Comment
  CDA2052  Elytrigia repens Bill Huse 1960-6-2 4517 Siskiyou Tulelake. 0 Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  JEPS82440  Epilobium brachycarpum Gilbert Muth 1946-7-22 441 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
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Jan 17 2015
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  RSA15582  Epilobium brachycarpum Carl B. Wolf 1928-8-27 1146 Siskiyou Klamath River, 10 miles above the Salmon River Comment
  JEPS75883  Epilobium ciliatum subsp. ciliatum W. J. Ferlatte 1966-8-2 226 Siskiyou between campground and S. Fork of the Salmon R.; Trinity Alps, Big Flat 1524 Comment
  POM259015  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-8-8 15419 Siskiyou Mount Shasta: Along the lower Squaw Valley Creek just below the McCloud intake along a lane 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
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC64499  Epilobium densiflorum J. P. Smith, Steve Selva 1970-8-8 4556 Siskiyou Juanita Lake Comment
  RSA50228  Epilobium glaberrimum subsp. glaberrimum E. K. Balls 1949-7-9 13936 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  RSA105429  Epilobium hallianum Douglas Barbe 1955-7-26 277 Siskiyou Klamath Mountains: At a spring on the north slope of Scott Mountain 1829 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  SD211642  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 miles west of Mt. Shasta City. 1829 Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  RSA105403  Eremocarpus setiger G. D. Barbe 1955-7-1 068 Siskiyou 0.5 miles east of Etna near b urned lumber mill. 854 Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  HSC69204  Eremogone congesta var. congesta Maralyn A. Renner 1980-9-1 2684 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  SD76187  Ericameria bloomeri Helen V. Witham 1969-10-4 543 Siskiyou Black Butte Summit, 1.5 miles southwest of Weed 1000 Comment
  UC1223100  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou near top, on road between Cecilville and Sawyer's Bar Blue Ridge 1584 Comment
  CAS-BOT-BC287491  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mts 1828 Comment
  LA203658  Ericameria greenei Louis Wheeler; 1934-8-24 3220 Siskiyou Siskiyou Mountains, Trapper Creek 1859 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  POM274348  Ericameria greenei B. W. Heacox 1947-9-11 187 Siskiyou Dry-Lake Look-out Station. Siskiyou Mt. Range, Klamath River Drainage Area Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  RSA12496  Erigeron aliceae C. B. Wolf 1934-7-4 5941 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 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
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  HSC92416  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-7-9 1399 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC19425  Erigeron cervinus J. O. Sawyer 1968-7-23 568 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  OBI53730  Erigeron foliosus var. foliosus David J. Keil, Kathleen Keil 1992-7-19 23467 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  RSA238715  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-7-13 1008 Siskiyou Slope N of Upper English Lake 1799 Comment
  RSA238717  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-9-2 1597 Siskiyou NNE side of English Peak 2165 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC895898  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  CAS-BOT-BC300088  Erigeron philadelphicus L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC300090  Erigeron philadelphicus William M. Hiesey 1947-8-23 554 a Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 mi. north of the Klamath River (10 miles N.W. of Gottville) 701 Comment
  CAS-BOT-BC300092  Erigeron philadelphicus W. R. Dudley 1893-6-1 s.n. Siskiyou P. Klinks Meadow, near Sisson Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  CAS-BOT-BC248781  Eriogonum baileyi var. baileyi Wm. Bridge Cooke 1949-8-26 25650 Siskiyou Above Bolam Station, Mount Shasta Comment
  JEPS95825  Eriogonum compositum var. compositum Vernon H. Oswald and L. Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland 1158 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC55778  Eriogonum compositum var. compositum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS116585  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  RSA60782  Eriogonum congdonii Dorothy Parker 1948-8-19 s.n. Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  SEINET11937883  Eriogonum congdonii Unknown 1953-1 124 Siskiyou Blue Point, Scott Mt. Public Campground, Klamath Nat'l Forest 1631 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255731  Eriogonum elatum var. elatum Edward Lee 1934-8-14 1096 Siskiyou Near summit of Little Grayback 1828 Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CHSC99209  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-28 9125 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  JEPS56734  Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta; e slope 1828 Comment
  POM165282  Eriogonum marifolium E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2348 Comment
  SD23784  Eriogonum marifolium Wm. Bridge Cooke 1938-7-28 11353 Siskiyou Mt. Shasta, lava ridges 2591 Comment
  UC725518  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou spring above Horse Camp Comment
  CHSC1326  Eriogonum marifolium var. marifolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC261677  Eriogonum nudum var. nudum Doris K. Kildale 1929-8-23 8805 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC75193  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 358 Siskiyou Marble Mountain Wilderness Area Comment
  SEINET11262483  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou Etna quad. Above Duck Lake Creek.; 0 Comment
  SEINET7064425  Eriogonum nudum var. nudum A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of weed. (NAD83/WGS84). UTM Zone 10, 543207mE, 4591515mN. 902 Comment
  RSA96965  Eriogonum nudum var. nudum Percy C. Everett, E. K. Balls 1954-10-13 20279 Siskiyou Seiad Creek, road to Kangaroo Mt., 6.7 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC269745  Eriogonum nudum var. oblongifolium L. E. Smith 1912-8-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC272476  Eriogonum nudum var. pubiflorum Doris K. Kildale 1929-6-25 8358 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  CAS-BOT-BC272481  Eriogonum nudum var. pubiflorum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  SD133754  Eriogonum nudum var. pubiflorum L. R. Heckard, I. T. Chuang 1968-7-2 1969 Siskiyou Along U.S. Highway 97, 6 miles north of Weed 1219 Comment
  UC164237  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  UCD100722  Eriogonum nudum var. pubiflorum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud. Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  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
  HSC43443  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2187 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS109709  Eriogonum siskiyouense Dean W. Taylor 2002-7-20 18257 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  JEPS117877  Eriogonum siskiyouense unknown 1976-9-23 Siskiyou Along the trail up the SW side of Mt. Eddy 2438 Comment
  SD23785  Eriogonum siskiyouense William Bridge Cooke Aug 1938 Siskiyou Mt. Eddy Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  SEINET3160080  Eriogonum strictum var. proliferum G. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  CAS-BOT-BC263446  Eriogonum ternatum Doris K. Kildale 1929-8-24 8819 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC267952  Eriogonum umbellatum A. A. Heller 1916-7-20 12469 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  HSC66394  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-22 3932 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC61798  Eriogonum umbellatum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  JEPS56187  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  SEINET3860108  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mi WSW of California Hwy 3, about 6.1 air mi SW of Fort Jones and 5.7 air mi N of Etna.; 0 869 Comment
  SEINET5332485 Image available Eriogonum umbellatum var. lautum J. L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mle west-southwest of Fort Jones and 5.7 air miles north of Etna, 869 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  RSA165616  Eriogonum umbellatum var. nelsoniorum Clare B. Hardham 1961-6-30 7995 Siskiyou Near White Mt. Comment
  SEINET3160103  Eriogonum umbellatum var. umbellatum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC435530  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath Naitonal Forest 1725 Comment
  JEPS56124  Eriogonum vimineum W. L. Jepson 1940-6-23 19979 Siskiyou Yreka 822 Comment
  UC454344  Eriogonum vimineum I. J. Condit 1911-7-13 Siskiyou bank of Sacramento River, Dunsmuir Sacramento River, Dunsmuir Comment
  CAS-BOT-BC262383  Eriogonum vimineum L. R. Abrams 1927-9-11 12144 Siskiyou Fork of Klamath and Shasta Rivers Comment
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray 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-BC301445  Eriophyllum lanatum var. grandiflorum Ynez Winblad 1936-8-13 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  OBI55542  Eriophyllum lanatum var. integrifolium David J. Keil, Kathleen Keil 1992-7-24 23567 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  JEPS80585  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou trail to Marble Mountain Lookout; Marble Mt. Wilderness Area 1792 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  NY168706  Eriophyllum rixfordii S. P. Rixford 1913-1 s.n. Siskiyou South side of Shaft Rock Mountain, near Hilt Comment
  UC1559628  Eryngium mathiasiae Beth Corbin 1989-8-8 529 Siskiyou ca. 15 air miles n. Fall River Mills (Adobe Flat); Lassen Nat'l Forest, Adobe Flat 1097 Comment
  CAS-BOT-BC54574  Erysimum capitatum L. E. Smith 1913-5-9 196 Siskiyou Weed. Comment
  CDA24842  Erysimum capitatum F. D. Horn 1976-5-18 Siskiyou Sheeprock, Shasta Visat Estates, Grenada. 0 Comment
  HSC74908  Erysimum capitatum var. capitatum J. P. Smith 1978-7-1 9958 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  LA204335  Erysimum capitatum var. capitatum Ruth P. Rossbach; 1938-6-24 11073 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  SEINET13723920 Image available Erythranthe moniliformis John M. Tucker, Louis K. Mann 1963-1 3690 Siskiyou Ca. 4.7 miles (by road) southwest of Etna, beside road from Etna to Sawyer's Bar Comment
  JEPS82706  Erythronium klamathense Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake) 1981 Comment
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Mar 5 2007
  UC165317  Eschscholzia californica Geo. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  HSC16751  Eschscholzia californica R. C. Wunner 1965-6-15 192 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  SDSU829  Eschscholzia californica D. F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp, #96, Klamouth Valley. 457 Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  UCD21471  Eucephalus ledophyllus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1211 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC471  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake basin 1677 Comment
  CHSC32942  Euonymus occidentalis J. P. Smith; Steve Selva 1970-6-16 4089 Siskiyou 7 miles west of Sawyers Bar on road to Forks of Salmon; roadside seep. Comment
  HSC449  Euphorbia crenulata William J. Ferlatte 1967-6-29 568 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  RSA436011  Euphorbia crenulata W. Bridge Cooke 1940-6-20 15139 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  HSC39878  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-6-30 5641 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  CAS-BOT-BC278880  Festuca occidentalis Wm. Bridge Cooke 1939-6-30 13569 Siskiyou Mount Shasta. At MacBride Springs Comment
  UCD37078  Festuca occidentalis Beecher Crampton 1956-8-21 3811 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC922370  Festuca roemeri Annie M. Alexander and Louise Kellogg 1949-7-22 5844 Siskiyou trail to Kings Castle, top of ridge Marble Mountains, Paradise Lake 2072 Comment
  HSC30673  Festuca rubra Frederick W. Oettinger 1969-9-4 1673 Siskiyou Salmon Mtns., Tom Taylor Cabin. 2012 Comment
  CHSC118257  Festuca viridula R. E. Brainerd; N. Otting 2013-7-12 2182 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. UTM Zone 10 493406E 4603724N WGS84. 2255 Comment
  JEPS44870  Fragaria vesca W. L. Jepson Jul 1894 13874 Siskiyou stage road between Sisson and Upton Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC53421  Frangula californica subsp. occidentalis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  SEINET10690240  Frangula californica subsp. occidentalis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  HSC100303  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13272 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  SJSU6482  Frasera albicaulis R. W. Trivelpiece 1972-6-9 96 Siskiyou c. 4 mi E of Grass L 1524 Comment
  POM130859  Fraxinus latifolia E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  UC454407  Fritillaria atropurpurea I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Summit of Mount Bradley); Mount Bradley 1828 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  HSC78195  Fritillaria glauca L. P. Janeway 1983-7-3 366 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  CAS-BOT-BC504466  Fritillaria recurva Elmer I. Applegate 1895-5-28 713 Siskiyou Sisson, Strawberry Valley, Mt. Shasta region Comment
  UC1258453  Galium aparine Maralyn A. Renner 1980-6-25 1115 Siskiyou West Fork of Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  JEPS25698  Galium aparine P. C. Hutchison 1961-5-22 2034 Siskiyou US 299 at Browns Creek (3.7 mi s of Clear Creek, on w side of river, s of Happy Camp); Klamath River Comment
  HSC69398  Galium bifolium Maralyn A. Renner 1980-8-8 2449 Siskiyou Rattlesnake Meadow 1646 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
  HSC19069  Galium bolanderi J. O. Sawyer 1969-6-12 905 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 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
  JEPS109716  Galium boreale subsp. septentrionale Dean W. Taylor 2002-7-20 18255 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  HSC70606  Galium glabrescens J. O. Sawyer, R. J. Cole 1981-7-2 4146 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UCD121771  Galium grayanum A. H. Murphy 1959-7-21 59 G Siskiyou Deadfall Lake area. Shasta National Forest. 2225 Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  JEPS25702  Galium triflorum P. C. Hutchison 1961-5-22 2035 Siskiyou on hwy US 299 3.7 mi s Clear Creek (south of Happy Camp) (w side of river at Browns Creek); Klamath River Comment
  POM210648  Galium triflorum Louis C. Wheeler 1934-7-2 2836 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  CAS-BOT-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  HSC36708  Garrya fremontii Brent Whitely 1975-7-5 141 Siskiyou 213 Comment
  JEPS66743  Garrya fremontii W. L. Jepson 1902-7-22 2087 Siskiyou Yocumville to Indian Bar Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  HSC40995  Gayophytum heterozygum J. O. Sawyer 1972-7-14 2471 Siskiyou N Fork of Salmon River 1006 Comment
  POM258621  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15335 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1220 Comment
  SEINET8726297 Image available Gayophytum ramosissimum Lewis S. Rose 1937-1 37599 Siskiyou Shasta Springs. 914 Comment
  JEPS57165  Gentiana calycosa L. R. Heckard 1967-8-12 1656 A Siskiyou ca 10 mi from U. S. Highway 99 (n of Weed, along logging road heading s of Stewart Springs) 1950 Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. 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
  SEINET8586823  Gentianella amarella W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  JEPS74461  Gentianopsis simplex W. J. Ferlatte 1966-8-16 368 Siskiyou between campground and S. Fork Salmon R. Big Flat; Trinity Alps 1524 Comment
  UC165386  Geum macrophyllum Geo. D. Butler 1908-8-11 1592 Siskiyou Shackleford Creek Comment
  POM75062  Gilia capitata Geo D. Butler 1909-5-10 741 Siskiyou Near Yreka. Comment
  UC1100355  Glyceria borealis Herbert L. Mason 1948-7-18 13618 Siskiyou Grass Lake Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1265400  Glyceria striata F. W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  POM4641  Gnaphalium palustre Copeland 1903-10-5 3826 Siskiyou Igerna. Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  CHSC36143  Hackelia cusickii K. Bridwell 1978-7-6 167 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  SBBG124765  Hackelia micrantha C. B. Hardham 1961-7-1 8031 Siskiyou near Mud Springs, Siskiyou Mtns Comment
  RSA167325  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou Near Oregon-California State Line, on the Takilma-Happy Camp Road. Comment
  HSC58940  Hastingsia alba Marvin Butler 1971-7-8 21 Siskiyou Near Bell Echo Camp 1433 Comment
  UC221683  Hastingsia alba Dr. Edward Palmer Jul 13 1892-Jul 24 1892 2513 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA120206  Hastingsia alba S. S. Tillett 1956-7-9 675 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  CAS-BOT-BC302451  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  JEPS120254  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys, North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC306734  Helenium bigelovii John M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306739  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  JEPS107103  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on E side of Mount Eddy ca 5 airmiles due W of Mount Shasta City Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  UCR21117  Helenium bigelovii T. W. Fisher, R. E. Orth, Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  JEPS33586  Helianthella californica subsp. shastensis W. L. Jepson 1894-1 Siskiyou Sisson Comment
  RSA68881  Helianthella californica var. shastensis A. E. Culbertson 1943-7-1 75 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  UC61689  Helianthus bolanderi Geo. B. Grant 1902-9-1 5207 Siskiyou Dunsmuir Mount Shasta, Dunsmuir 609 Comment
  UCR24849  Helianthus bolanderi John C. Roos 1948-9-2 3977 Siskiyou Fort Jones 915 Comment
  HSC1953  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Mt. Diablo Meridian, Shasta Valley, 2 mi. SE of Yreka. 856 Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  HSC5987  Hemizonella minima R. C. Wunner 1965-6-6 100 Siskiyou California Lava Beds National Monument; 0.1 mi. on the road to Caldwell Ice Cave from SW entrance road. 1402 Comment
  UC163843  Hesperochiron pumilus Geo. D. Butler 1910-5-10 1326 Siskiyou Goosenest foothills 1676 Comment
  OBI7192  Hesperocyparis bakeri Carl B. Wolf and E. R. Johnson, E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava beds, 1 mi NE of Timbered crater on Old Stage rd from Dana to Little Hot Springs Valley 1219 Comment
  SD40655  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 Siskiyou northwest side of Goose Nest Mountain, about 1 mile due south of Old Smith Sawmill on Montague to Mount Hebron Road 1675 Comment
  UCD110544  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou Scott Mountain grade on road from Callahan to summit of mountain. Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC420700  Heuchera merriamii Doris K. Kildale 1928-7-2 5410 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC509286  Heuchera merriamii Dana York 2011-9-8 3085 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, E slope of Kings Castle 2175 Comment
  CHSC99997  Heuchera merriamii L. P. Janeway 2008-7-25 9494 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  HSC4792  Heuchera merriamii William J. Ferlatte 1966-8-5 331 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  UC1409256  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou trail n of Crapo Peak Ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  SJSU6495  Heuchera micrantha R. W. Trivelpiece 1972-6-14 111 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1371 Comment
  CAS-BOT-BC424177  Heuchera micrantha var. erubescens Alice Eastwood; John Thomas Howell 1934-4-20 1771 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  JEPS36597  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS84187  Hieracium bolanderi L. R. Heckard with J. Hickman et al. 1986-7-17 6469 Siskiyou trail up peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley, e ridge); Kangaroo Peak 1940 Comment
  UC1408810  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou English Peak; Marble Mountain Wilderness Area 2011 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC618677  Hieracium horridum W. Bridge Cooke 1938-8-18 11492 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  RSA211519  Hieracium horridum William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mountain. 2470 Comment
  UC194096  Hieracium horridum unknown 1874-9-1 Siskiyou Shasta 3657 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  POM33158  Hieracium parryi Geo D. Butler 1910-6-3 1470 Siskiyou Quartz Valley. Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  CAS-BOT-BC280783  Holcus lanatus Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek, at Power House 822 Comment
  HSC29376  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou SE side of Hancock Lake 1936 Comment
  HSC69308  Holodiscus discolor Maralyn A. Renner 1980-7-24 1980 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1409360  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC1409362  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou on English Lake Trail, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake Trail; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC150144  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-12 9527 Siskiyou Between Capt. Jack's Ice Cave and Three Sisters, Lava Beds National Monument Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC289276  Hordeum brachyantherum subsp. brachyantherum L. N. Lorenzen No date on label. 32 Siskiyou Medicine Lake, Shasta forest 2072 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  SEINET10887945  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 Ahart 12001 Siskiyou T44N, R5W, southwest 1/4 Section 30. 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. 775 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  CHSC4677  Horkelia daucifolia R. Carter 1966-5-15 405 Siskiyou 1.7 mi. SE of Callahan, 1.1 mi. S of intersection of Callahan-Gazelle Rd. and Old Oregon Stage Rd. On slope 15 yds. off W side of road. 1310 Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC45034  Horkelia tridentata var. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou Along Cedar Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  HSC71347  Hosackia crassifolia J. P. Smith 1976-5-21 8773 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  HSC32005  Hosackia crassifolia A. M. Montalvo, J. D. Ackerman 1974-7-2 358 Siskiyou Along rd. to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 Comment
  CAS-BOT-BC312570  Hulsea nana Wm. Bridge Cooke 1939-7-26 13768 Siskiyou Mount Shasta. Along the Summit Trail below Lake Helen Comment
  CHSC102560  Hulsea nana L. P. Janeway 2009-8-3 9888 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  HSC78378  Hypericum anagalloides L. P. Janeway 1983-7-31 471 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  HSC29285  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  RSA112893  Ipomopsis aggregata subsp. formosissima Verne Grant 1957-8-22 10039 Siskiyou SW slope of Mt. Shasta, trail to Sierra Club hut 2378 Comment
  UC643293  Ipomopsis congesta W. Bridge Cooke 1940-6-27 15202 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  SEINET12278918  Ipomopsis congesta H. P. Chandler 1901-1 1666 Siskiyou Marble Mountain 2438 Comment
  RSA181799  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -26 Siskiyou Callahan, ca. 2 miles east in creek bottom Comment
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 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
  HSC76882  Iris tenuissima K. T. Stillman 1976-6-27 142 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UC844949  Iris tenuissima unknown 1941-6-6 16015 Siskiyou e base Mt. Eddy Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  RSA237966  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou W side of Horse Range Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1822 Comment
  CAS-BOT-BC324837  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 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
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  RSA186331  Juncus drummondii Gilbert Muth 1966-10-16 23 Siskiyou Marble Mountains 1793 Comment
  RSA608368  Juncus ensifolius L. C. Wheeler 1934-6-26 2790 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD141533  Juncus ensifolius A. H. Murphy 1960-8-9 60 E Siskiyou Klamath National Forest, Bear Lake. 1889 Comment
  HSC58879  Juncus mertensianus Marvin Butler 1971-8-31 311 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 Comment
  POM210930  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  RSA129450  Juniperus communis var. montana H. A. Jensen 1933-10-5 360 Siskiyou Slope of Shastina; Shasta National Forest 2591 Comment
  RSA758202  Juniperus occidentalis Doug Goldman 2004-12-26 3015 Siskiyou Shasta Valley, along the south side of Route A12, just north of a small hill of volcanic rock and about 2.6 miles east of the intersection with Interstate 5. 236 Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  RSA352529  Juniperus occidentalis var. occidentalis B. C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  HSC96361  Kalmia polifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 497 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  NY790343  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mountains. Above road along CA 96 and the Klamath River ca. 8.2 miles northeast of Happy Camp. Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  UC1408759  Keckiella lemmonii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1211 Siskiyou above Willow Spring (on English Lake Trail, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  UC457143  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou 4.5 mi from Mt. Shasta City (on Horse Camp trail, w flank of Mt Shasta); Mt. Shasta 1828 Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  UC1125661  Kelloggia galioides L. Whitney 1934-6-28 9 Siskiyou 8 mi s Tennant (on the Stevens Pass road); Dorris Quad. 1706 Comment
  UC61037  Kelloggia galioides W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC340612  Lactuca serriola Lewis S. Rose 1926-7-29 s.n. Siskiyou Shasta Springs Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. Comment
  CAS-BOT-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  SBBG15261  Lathyrus nevadensis D. Myrick 1961-6-21 302 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  SEINET3145112  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  HSC36669  Lathyrus polyphyllus Brent Whitely 1975-7-1 121 Siskiyou 671 Comment
  UC722141  Lathyrus polyphyllus C. L. Hitchcock and J. S. Martin 1939-7-6 5209 Siskiyou on Takilma to Happy Camp road 1676 Comment
  UCD115326  Lepidium appelianum B. Gormau 1926-6-1 s.n. Siskiyou White Mt. Ranch. Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  HSC81873  Lepidium campestre Barry Silver 1986-5-24 603 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  CDA3780  Lepidium campestre J. R. Grisham 1958-5-15 412 -58 Siskiyou 0 Comment
  HSC193  Lepidium campestre William J. Ferlatte 1966-8-3 255 Siskiyou Mtn. Meadow Ranch 1524 Comment
  UCD18220  Lepidium campestre Joe Ditomaso 2001-5-22 s.n. Siskiyou near Hwy 89, 2 miles W of McCloud. Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CHSC107106  Lepidium oblongum R. E. Brainerd; N. Otting, B. Wilson 2009-5-6 1357 Siskiyou Fall Creek Recreation Area at Irongate Reservoir; ca. 11 miles east-northeast of Hornbrook. 704 Comment
  SEINET7073597  Lepidium perfoliatum A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC60144  Lepidium virginicum var. menziesii R. E. Frenkel 1964-10-2 877 Siskiyou On Everitt Memorial Highway near McBride Springs, near Mount Shasta. 1493 Comment
  SJSU8735  Leptosiphon harknessii M. D. Fleschner 1965-7-14 Siskiyou c. 4 mi W of Dead Horse Summit (c. 4 mi SE of Bartle on State Rte 89) 1219 Comment
  HSC30429  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  CHSC79465  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Near roadside, at intersection of Hwy 3 and Callahan/ Gazelle Rd. 1000 Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  RSA44881  Lessingia nemaclada J. C. Roos 1948-9-1 3938 Siskiyou Fort Jones Comment
  UC1539984  Leucocrinum montanum M. Mitchell 1936-5-12 13 Siskiyou Eaglenest Butte; Lava Beds National Monument 1661 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC22284  Leucothoe davisiae J. O. Sawyer 1969-7-11 1335 Siskiyou S Sugar Creek 1829 Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  HSC65559  Lewisia cotyledon R. White 1977-6-19 84 Siskiyou 1 mi. from Trout Camp by trail to Devil's Punchbowl 1341 Comment
  RSA237467  Lewisia cotyledon Frederick W. Oettinger 1968-8-5 411 Siskiyou NE slope below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SEINET10535585  Lewisia cotyledon Imper 1983-1 IMPER s.n. Siskiyou Del norte co line. Preston peak quad. T17n,r5e,sec.17. Ca 1 mile sw of cracker Meadows on fringe of large active slide area. Fine granitic material, with Brewer spruce, red fir, l. Leana and l. Leana x l. Cotyledon var. Cotyledon, Found at lower elev. On more granitic material 1676 Comment
  CAS-BOT-BC444052  Lewisia cotyledon var. cotyledon Geo. D. Butler 1990-7-20 960 Siskiyou Highland Mine 1828 Comment
  RSA96728  Lewisia cotyledon var. howellii Lee W. Lenz 1953-5-17 18316 Siskiyou Klamath River, Somes Bar 180 Comment
  CAS-BOT-BC444083  Lewisia leeana Doris K. Kildale 1928-7-4 5525 Siskiyou Summit of divide between Salmon River & Scott Valley Comment
  HSC77067  Lewisia leeana K. T. Stillman 1976-6-26 134 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UCD101615  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake. 1767 Comment
  CAS-BOT-BC444582  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  UC144162  Leymus cinereus A. A. Heller 1905-6-19 8069 Siskiyou Grenada Station Comment
  HSC94095  Ligusticum apiifolium G. Fred Hrusa 1998-7-5 14689 Siskiyou Bear Creek Rd., 1/2 mi N of Hwy 96 and 10 mi SW of Happy Camp Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC22271  Lilium kelleyanum J. O. Sawyer 1969-8-5 1737 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC509377  Lilium kelleyanum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA130325  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan--Carrville road Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  SEINET8480709  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  SEINET8480730  Lilium pardalinum G. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC132996  Lilium rubescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  CAS-BOT-BC133022  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC705668  Lilium washingtonianum subsp. purpurascens Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou summit Cayenne Ridge (Marble Mt.); , Cayenne Ridge Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  JEPS95776  Linanthus bolanderi J. C. Game 1999-7-4 99 -51 Siskiyou about seven miles NNE of Seiad Valley (Copper Butte, W of summit, E of and above Cook and Greene Pass) Comment
  UC1409304  Linanthus harknessii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1294 Siskiyou near English Lake (Sundew bog, vicinity of English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  HSC92600  Linanthus pungens Jennifer Whipple 1978-7-20 2356 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  HSC75128  Linum lewisii J. P. Smith, Thomas W. Nelson 1979-6-15 10129 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  RSA435729  Linum lewisii M. B. Dunkle 1944-7-18 9142 Siskiyou Siskiyou National Forest. 1890 Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  RSA52462  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley. 787 Comment
  RSA184751  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Slopes above Marble Valley. Marble Gap Trail. Marble Mtns. 1814 Comment
  HSC64841  Lithophragma parviflorum J. P. Smith 1973-5-5 6531 Siskiyou Scott Bar along the Scott River 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
  UCD58332  Lithospermum arvense Steve Orloff 2007-5-22 1 Siskiyou On Island Road in Scott Valley just south of Ft. Jones. Comment
  CAS-BOT-BC317334  Lithospermum californicum L. E. Smith 1913-6-12 362 Siskiyou Sissons Comment
  CAS-BOT-BC269145  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou At Abrams Lake, near the town of Mt. Shasta Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  HSC76688  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-30 319 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  HSC91131  Lomatium engelmannii Jennifer Whipple 1976-7-2 1267 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  POM67575  Lonicera ciliosa Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek. Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC240849  Lonicera interrupta Lewis S. Rose 1945-6-18 45128 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC200968  Lotus L. R. Abrams 1926-7-4 11229 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  UC163799  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou near Yreka Comment
  UC454680  Lotus nevadensis var. nevadensis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  UC204724  Lotus purshianus var. purshianus A. A. Heller 1914-8-25 11701 Siskiyou near Deetz Station 1158 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC69245  Luetkea pectinata Maralyn A. Renner 1980-9-1 2710 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC722263  Luetkea pectinata C. L. Hitchcock and J. S. Martin 1939-7-9 5328 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  SEINET8040841  Lupinus albicaulis var. shastensis G. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  SEINET10488389  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47270 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  SEINET7042816 Image available Lupinus albifrons A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  SEINET10838377  Lupinus albifrons var. flumineus Katherine L. Morris 1973-5-25 Morris 281 Siskiyou 9.5 miles ne of the junction of hwy 97 and 5 on us 97, in an area of Arctostaphylos and juniper Comment
  SEINET10871207  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 336 Siskiyou Decomposed volcanic soil on hornbrook to montague raod, about 1 mile se of Hornbrook Comment
  SEINET10871210  Lupinus albifrons var. flumineus Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 689 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  JEPS104846  Lupinus andersonii Dean W. Taylor 1996-6-28 15753 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  HSC22252  Lupinus andersonii J. O. Sawyer 1969-6-11 832 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  CHSC86648  Lupinus argenteus Jenny Marr 1993-7-1 31 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA178639  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague. Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC8430  Lupinus croceus var. croceus H. E. Brown 1897-6-11 396 Siskiyou North side of Mt. Shasta Comment
  POM27188  Lupinus klamathensis Geo. D. Butler 1910-4-19 1201 Siskiyou Dry hills, Yreka. Comment
  SEINET10485431  Lupinus klamathensis Charles Piper Smith 1947-5-6 Smith 47207 Siskiyou Hornbrook, hwy 99. Roadside bank. Comment
  UC1607590  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  UCSB16735  Lupinus latifolius 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  UCD108213  Lupinus latifolius var. viridifolius A. A. Heller 1914-8-25 11709 Siskiyou Deetz Station near Black Butte. 1158 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  JEPS57167  Lupinus lepidus var. sellulus L. R. Heckard 1967-8-13 1706 Siskiyou Mt. Eddy 2743 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  UCSB15827  Lupinus lepidus var. sellulus 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CHSC20640  Lupinus luteolus Robert A. Schlising 1963-6-6 2609 Siskiyou Along road to Hilt from Hwy. 99, in northern part of county. 914 Comment
  RSA583103  Lupinus luteolus Louis C. Wheeler 1935-7-3 3651 Siskiyou Yreka. 793 Comment
  SEINET10490807  Lupinus lyallii var. lyallii Robert T. Clausen, Harold Trapido 1940-7-27 Clausen 4966 Siskiyou In volcanic dust in forest of abies magnifica on w side of mountainhouse creek, About 4 mi n-ne of summit of mt. Shasta. Upper petals blue suffused with Purple, lower ones blue. Cascade mtns. Sacramento river basin. 2134 Comment
  POM228984  Lupinus nanus var. apricus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  RSA104335  Lupinus onustus A. A. Heller 1905-6-15 s.n. Siskiyou Near Sisson Comment
  JEPS65424  Lupinus polyphyllus Willis L. Jepson 1894-7 47 t Siskiyou Sisson; Mt. Shasta, Sisson Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  HSC71437  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-8-8 4561 Siskiyou Comment
  SEINET10490223  Lupinus sellulus var. artulus Sawyer 1977-6-21 SAWYER 2982 Siskiyou Dillon mtn quad. Crests and meadows near prescott peak. 1676 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  POM23592  Lupinus vallicola subsp. vallicola Geo. D. Butler 1910-4-30 1252 Siskiyou Yreka. Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  CHSC4312  Luzula parviflora D. Parker 1965-7-24 898 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  JEPS74561  Luzula piperi W. J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mountain Trinity Alps, Caribou Mtn 2468 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC67150  Luzula subsessilis J. P. Smith 1973-5-5 6391 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  SEINET2121893  Machaeranthera canescens M. L. Carson 1968-12-8 1293 Siskiyou US Highway 97, 1.4 mi N of Macdoel and 8.5 mi S of Dorris, between the highway and the railroad 1250 Comment
  POM147342  Machaeranthera canescens var. shastensis D. D. Keck 1927-8-18 309 Siskiyou Leaf 1425 Comment
  POM362225  Madia bolanderi L. C. Wheeler 1934-8-10 3103 Siskiyou Siskiyou Mountains: Dead Cow Creek 1829 Comment
  POM56187  Madia bolanderi E. B. Copeland 1903-8-15 3882 Siskiyou Sisson 1067 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  JEPS24808  Madia elegans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6817 Siskiyou 7 mi e Callahan 1127 Comment
  CAS-BOT-BC344010  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  OBI53786  Madia elegans David J. Keil 1992-7-20 23472 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  RSA0034413  Madia gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC18915  Maianthemum stellatum J. O. Sawyer 1968-6-18 239 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UCD134395  Malacothrix floccifera Steve Selva; James Payne Smith, Jr 1970-7-15 3974 Siskiyou 1 mile west of junction California 3 and Road 8 leading to Sugar Creek. 1158 Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  SEINET516141  Malva neglecta Vernon H. Oswald 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1244 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
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  LA12116  Melica aristata J. R. Swallen; 1939-7-28 13783 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  HSC22263  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou Summit above S Sugar Lake. 2378 Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 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
  CHSC72237  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-9-16 9635 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1231 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  JEPS42800  Mentzelia dispersa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC428554  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. Divide Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  UC564178  Microseris nutans Elmer I. Applegate 1935-6-7 9417 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  POM208263  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-7 2650 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 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
  UC618713  Mimulus guttatus W. Bridge Cooke 1938-8-5 11444 Siskiyou MacBride Springs Mount Shasta Comment
  HSC107  Mimulus guttatus William J. Ferlatte 1967-8-21 1075 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA447946  Mimulus guttatus M. B. Dunkle 1944-6-25 9005 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS19674  Mimulus layneae Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5929 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S. P. Shasta Route)) 1188 Comment
  JEPS86983  Mimulus layneae David M. Thompson 1989-6-29 1023 Siskiyou near Black Butte (hill overlooking railway junction, mid-way between Mt. Shasta city and Weed, 1.2 mi n of I-5 interchage along n part of Truck Village Drive, e side of I-5) 1200 Comment
  POM43116  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills. 1524 Comment
  HSC428  Mimulus moschatus William J. Ferlatte 1967-7-8 673 Siskiyou Along the Yellow Rose Mine Trail 1829 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  HSC82262  Mimulus nanus var. jepsonii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5979 Siskiyou Fowler's Campground 1006 Comment
  UCSB59405  Mimulus nanus var. jepsonii Thompson, David 1988-6-4 Siskiyou 8.0 mi E of McCloud along Hwy 89; SW corner of jct of Bigelow Meadows Road and Hwy 89; Opposite Hwy 89 from USFS Road 40N16; 2.4 mi W of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi W of USFS Ash Creek Station; T39N, R1W, S5 1100 Comment
  RSA12576  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  HSC91059  Mimulus tilingii Jennifer Whipple 1976-9-3 1780 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  SEINET5338740  Minuartia nuttallii G. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  POM101544  Minuartia pusilla Geo. D. Butler 1232 Siskiyou Quartz Valley. Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 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
  NY342052  Mirabilis greenei E. L. Greene 1876-1 s.n. Siskiyou Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433018  Mitella diversifolia Antone Q. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  HSC4889  Mitella pentandra J. O. Sawyer 1968-6-18 242 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  CAS-BOT-BC435052  Mollugo verticillata Carl B. Wolf 1927-8-26 1091 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC221811  Monardella odoratissima D. E. Breedlove 1961-7-5 699 Siskiyou On boundary of Klamath National Forest and California-Oregon state line along O'Brien to Happy Camp Road; Siskiyou Mtns 1584 Comment
  CHSC763  Monardella odoratissima K. Jaekal 1939-7-6 Siskiyou Black Butte Meadows, Mt. Shasta. 1158 Comment
  CHSC9489  Monardella odoratissima J. F. Goodwin 1971-7-3 135 Siskiyou 5.4 mi. south of Mt. Shasta Ski Bowl area. 1798 Comment
  CAS-BOT-BC221814  Monardella odoratissima Gilbert Muth 1965-8-12 s.n. Siskiyou North side of Black Mountain Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  CHSC99716  Monardella odoratissima subsp. glauca L. P. Janeway 2008-7-24 9484 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  UC1540136  Monardella odoratissima subsp. glauca Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9264 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument 1499 Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  CAS-BOT-BC222179  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC32899  Monardella siskiyouensis J. P. Smith; Steve Selva 1970-6-15 3929 Siskiyou 8 miles southeast of Forks of Salmon on road to Cecilville. 457 Comment
  SEINET10582373  Monardella siskiyouensis A. Graff 1993-7-24 Graff 356 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  HSC34003  Montia fontana J. P. Smith 1974-5-25 7488 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  CAS-BOT-BC445204  Montia parvifolia W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, region of Mt. Shasta Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  UCR93378  Nama lobbii Kathy Harper, D. Karr 1994-6-15 s.n. Siskiyou Vicinity of Bartle, c. 0.25 mi. south of McIntosh Vista on road between Calif. Hwy 89 and Pioneer Hill Road 1341 Comment
  RSA166186  Nama lobbii Donald Myrick 1961-6-22 319 Siskiyou On Hwy 89 near McCloud. 915 Comment
  POM148757  Narthecium californicum J. B. Feudge 1927-7-24 1629 Siskiyou On trail to Mt. Eddy Comment
  CHSC63346  Navarretia capillaris Vernon H. Oswald; Lowell Ahart 1994-7-11 6399 Siskiyou Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. Roadside beside a pond. 1901 Comment
  UCD106100  Navarretia capillaris Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake. Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  JEPS19788  Navarretia intertexta Rimo Bacigalupi with S. Galen Smith 1957-6-26 5933 Siskiyou 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  UC1094397  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5933 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  UC879890  Navarretia linearifolia subsp. linearifolia A. A. Heller 1915-7-18 12119 Siskiyou Metcalf's RAnch ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  HSC19106  Nothochelone nemorosa J. O. Sawyer 1969-8-1 1626 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  UCR246789  Notholithocarpus densiflorus Matt K. Beyers 2010-8-18 691 Siskiyou Klamath Ranges, Siskiyou Mountains, O'Brien-Happy Camp Road, 1 mi above road to Kelley Lake, c. 2 mi above West Branch Campground Comment
  HSC59711  Notholithocarpus densiflorus var. echinoides Clark L. Miller 1978-10-21 79 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UC1733730  Oenothera Kay H. Beach, Frank Gould 1940-5-15 622 Siskiyou Bull Meadows Comment
  SEINET5345688  Oenothera deltoides var. piperi G. Butler Unknown 2000 Siskiyou No data. Comment
  UC4246  Olsynium douglasii var. douglasii F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  RSA128658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris Comment
  HSC23614  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-9 1763 Siskiyou W of Little Duck Lake Comment
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Sep 26 2011
  HSC24897  Oreostemma alpigenum var. andersonii Richard Spjut 1970-7-17 449 Siskiyou Edges of Gumboot Lake, Scott Mtns. 1829 Comment
  UC1045244  Orobanche fasciculata W. Bridge Cooke 1940-6-14 15131 Siskiyou Mount Shasta, near the source of McBride Springs. Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  HSC77040  Orogenia fusiformis K. T. Stillman 1976-6-18 23 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC92965  Orthilia secunda Jennifer Whipple 1977-8-6 2228 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  JEPS93913  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1998-8-3 9431 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC141178  Orthilia secunda Dr. E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy 1371 Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  POM43512  Orthocarpus hispidus Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley. Comment
  RSA120852  Orthocarpus hispidus Milo S. Baker 1957-6-16 13264 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA48232  Orthocarpus lacerus Roxana S. Ferris, Laura Lorraine 1948-6-12 11787 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC91159  Osmorhiza berteroi Jennifer Whipple 1976-7-9 1407 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  UC166166  Osmorhiza berteroi Geo. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  UC875302  Osmorhiza occidentalis John Thomas Howell 1937-7-29 13638 Siskiyou between Trinity Co. and Siskiyou County; Scott Mt. Comment
  RSA52141  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 915 Comment
  HSC103015  Panicum acuminatum var. fasciculatum J. P. Smith 2014-6-6 13872 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC26487  Panicum acuminatum var. fasciculatum J. P. Smith, Steve Selva 1970-7-16 4395 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  JEPS128826  Parnassia fimbriata Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -057 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. Comment
  CAS-BOT-BC202844  Paxistima myrsinites H. A. Thomas; J. H. Thomas 1954-7-23 4466 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC202849  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  HSC4835  Paxistima myrsinites J. O. Sawyer 1968-6-18 169 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC114062  Paxistima myrsinites unknown 1900-8-1 Siskiyou Sisson Comment
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Jan 18 2012
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  JEPS124778 Image available Paxistima myrsinites P. L. Billings 1965-7-12 116 Siskiyou Fowlers Campground near McCloud on the McCloud River 1 mi. from Hwy 89. Comment
  RSA68897  Pedicularis attollens A. E. Culbertson 1943-7-12 60 Siskiyou 0.25 mile below Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC454810  Pedicularis densiflora I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (summit of Mount Bradley); Mount Bradley 1828 Comment
  CHSC99995  Pedicularis howellii L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  RSA87592  Pellaea brachyptera Arthur R. Kruckeberg 1951-9-3 2802 Siskiyou On open dirt road above Joe Spini Ranch, just west of town of Mount Shasta, across river, between Wagon Creek and Deer Creek Bridges Comment
  POM120360  Pellaea breweri Geo D. Butler 1910-7-9 1718 Siskiyou Marble Mtn. 1677 Comment
  UC1222500  Penstemon anguineus Joseph P. Tracy 1950-7-20 19212 Siskiyou 5 mi se Elk Valley (Flint Valley); , se of Elk Valley 1432 Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  HSC62464  Penstemon azureus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  UC1238934  Penstemon cinereus Freed W. Hoffman 1948-7-13 2651 Siskiyou 8.4 mi n of Tennant (on Butte Creek road); North Coast Ranges, n of Tennant 1295 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  CAS-BOT-BC265376  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  CAS-BOT-BC265381  Penstemon davidsonii var. davidsonii Dean Wm. Taylor; Glenn L. Clifton; Rexford E. Palmer 1987-6-7 9018 Siskiyou Upper Modoc Plateau. S end of Saddle Hills 1645 Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  UC70415  Penstemon davidsonii var. davidsonii Milo S. Baker Aug 1894 Siskiyou Medicine Lake Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  UC1483445  Penstemon deustus J. Sawyer and J. Cole 1980-7-22 3951 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  UC565603  Penstemon deustus var. pedicellatus H. L. Mason 1931-5-9 5862 Siskiyou Shasta Creek Comment
  JEPS107481  Penstemon deustus var. suffrutescens Lowell Ahart, John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  NY609840  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-8 7998 Siskiyou Yreka Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  NY601603  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou 5 miles southeast of Bartle, Big Bear Flat 1219.2 Comment
  UC1096819  Penstemon heterodoxus var. shastensis H. K. Wagnon 1957-8-11 1687 Siskiyou on Rd. to Brewer Cr 3 mi w Military Pass Rd. (e slope of Mt. Shasta); North Coast Ranges, e slope of Mt. Shasta Comment
  CDA33280  Penstemon heterodoxus var. shastensis T. C. Fuller 1963-6-13 8993 Siskiyou South side of Hwy 89 to Lake Britton, 0.5 mile east of Bartle 0 Comment
  UCD124285  Penstemon laetus R. Tofsrud; J. M. Tucker 1948-8-3 1781 Siskiyou Del Norte-Siskiyou County line: summit of Happy Camp-Waldo (Oregon) road. 1554 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  UC454778  Penstemon laetus var. sagittatus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near summit; Mt. Bradley near summit, Shasta Retreat 1828 Comment
  UC887116  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava Slopes of Lava Beds Nat. Monument Lava Beds Nat. Monument Comment
  SEINET272936 Image available Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; common old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. lo 1158 Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  SDSU10960  Penstemon newberryi D. F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  CDA41850  Penstemon newberryi T. C. Fuller 1962-6-28 8952 Siskiyou Highway 99, 0.7 mile north of Black Butte Summit, 4.6 miles south of Weed. 0 Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  RSA68868  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-6-24 88 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  UC1034003  Penstemon newberryi var. berryi Francis W. Pennell 1940-7-17 21170 Siskiyou W of Etna; Salmon Mountains 1828 Comment
  UC1586910  Penstemon newberryi var. newberryi Juha Pykala and D. H. Norris 1987-6-26 1941 Siskiyou Tickner HOle Marble Mountain Wilderness Area, Tickner Hole 1767 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  LA209561  Penstemon procerus Wm. Bridge Cooke; 1939-7-7 13605 Siskiyou Mount Shasta, near lower end of the Wagon Camp area 1706 Comment
  HSC29292  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou Marble Mtn. Wilderness Area, W end of Hancock Lake 1936 Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA120922  Penstemon shastensis Wagnon 1957-8-11 1687 Siskiyou East slope of Mt Shasta on rd to Brewer Crk, 3 mi W of Military Pass Rd. Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  POM82579  Perideridia gairdneri subsp. borealis Mrs. R. M. Austin, Bruce 1897-8-9 1580 Siskiyou Quartz Valley Comment
  RSA237660  Perideridia howellii Frederick W. Oettinger 1969-8-18 1430 Siskiyou Due NW of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC535906  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 a Siskiyou s Lower Klamath Lake; Willow Creek Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  JEPS121652  Perideridia parishii Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  CAS-BOT-BC419262  Persicaria maculosa Alice Eastwood 1912-7-22 1314 a Siskiyou Sisson 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
  HSC92793  Phacelia corymbosa Jennifer Whipple 1978-7-20 2355 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  SFV3019  Phacelia hastata subsp. compacta W. L. Jepson 1940-6-23 20012 Siskiyou Andesite sta., north of Mount Shasta. 976 Comment
  JEPS22201  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6782 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  UC1084699  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou road cut just s Weed; North Coast Ranges Comment
  UC164135  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-6-23 409 Siskiyou near Yreka (along creek) Comment
  RSA582233  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  CHSC97389  Phacelia linearis Jenny Marr 2006-6-18 225 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  UC923090  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3313 Siskiyou Cedar Camp Rd 8.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges 914 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS80594  Phacelia procera Gilbert Muth 1966-8-3 496 Siskiyou off trail to 4 corners Marble Mt. Wilderness Area, Marble 1792 Comment
  UC163994  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou Marble Valley Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 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
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  RSA0058049  Philadelphus lewisii Albert M. Vollmer, L. Beane 1951-6-2 38 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC250786  Phleum alpinum Alice Eastwood 1921-7-28 10935 Siskiyou Medicine Lake Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  CDA40295  Phlox adsurgens D. H. Shaw 1977-5-26 s.n. Siskiyou Southeast of Seiad Valley on Walker Creek, western part of county. 0 Comment
  CAS-BOT-BC94940  Phlox diffusa R. C. Wenk 2006-7-23 525 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine Trail to Dorleska Mine 2118 Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  JEPS69943  Phlox diffusa Willis L. Jepson 1894-8-4 14990 Siskiyou Horse Camp Mt. Shasta Comment
  HSC45797  Phlox diffusa J. P. Smith 1976-5-21 8758 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  SEINET7963210 Image available Phlox douglasii Marion Ownbey, Ruth P. Ownbey 1938-1 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mountains Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  JEPS70013  Phlox hirsuta Geo. D. Butler 1909-5-3 739 Siskiyou near Yreka Comment
  UC722469  Phlox speciosa C. L. Hitchcock and J. S. Martin 1939-7-7 5272 Siskiyou 1 mi s Camp Chicago (Sanger Peak Trail, ca 12 mi s of Takilma, Oregon); Siskiyou Mts. 1432 Comment
  SEINET3145545  Phlox speciosa subsp. occidentalis G. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC135026  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  UC141920  Phoradendron densum Copeland 1903-7-7 3542 Siskiyou Hornbrook Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  UCR168480  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC56501  Phyllodoce empetriformis John Thomas Howell 1939-8-10 15266 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC96441  Phyllodoce empetriformis Gordon Leppig; T. LaBanca, L. Arguello 1997-6-27 496 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  HSC95685  Phyllodoce empetriformis Juha Pykala, D. H. Norris 1987-6-26 1949 Siskiyou Marble Mtn. Wilderness, Tickner Hole 1768 Comment
  UC61680  Physocarpus capitatus Geo. B. Grant September 1902 5182 Siskiyou Dunsmuir; Mt Shasta 609 Comment
  JEPS83900  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6 mi e Cook and Green Pass (on nw slope of White Mountain); White Mountain Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  POM230326  Picea breweriana J. T. Howell 1937-7-24 s.n. Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA31097  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou Sugar Creek, a tributary of the Scott River, NW of Callahan. Mount Diablo Meridian. 1433 Comment
  NY29987  Picea breweriana W. R. Dudley 1901-8-18 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
  SEINET10925345  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill s.n. Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. T41N, R12W, S30. 1890 Comment
  CAS-BOT-BC73438  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Siskiyou county. 1524 Comment
  SEINET3871154  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian.; 0 1433 Comment
  HSC77150  Pinguicula macroceras L. P. Janeway 1983-7-24 454 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC73397  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou On the summit of Mt. Eddy. 2758 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  RSA0086516  Pinus albicaulis Bonnie C. Templeton 1968-6-13 11334 Siskiyou Mt. Shasta, in the region of Panther Meadows. 2804 Comment
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  JEPS82668  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC401404  Pinus contorta subsp. murrayana Geo. D. Butler 1910-5-10 1333 Siskiyou Goosenest Mountain Goosenest Mountain (swampy woods) 1676 Comment
  CAS-BOT-BC78717  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  JEPS120218  Pinus jeffreyi Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -074 Siskiyou NW side of Gumboot Lake Comment
  SEINET3873292  Pinus jeffreyi Alv Dan Youngberg 1964-7-25 90 Siskiyou At West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  JEPS47927  Pinus lambertiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA82766  Pinus lambertiana J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  CAS-BOT-BC72873  Pinus ponderosa Elmer I. Applegate 1935-6-8 9414 Siskiyou Near and west of Indian Well, Lava Beds National Monument. Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  UCD120771  Plagiobothrys bracteatus K. L. Chambers; C. G. Carlbom 1962-4-21 2109 Siskiyou Hwy. 99, 5.6 mi. s. of the center of Yreka. Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  CAS-BOT-BC231009  Plagiobothrys hispidulus John Thomas Howell 1937-7-22 13331 A Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  JEPS101569  Plagiobothrys hispidulus Dean W. Taylor 1999-6-9 17242 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC29336  Plagiobothrys hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  UC164417  Platanthera leucostachys Geo. D. Butler 1908-8-4 3 Siskiyou Cold Spring , Cold Spring (Wooley Creek) Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  HSC58908  Platanthera sparsiflora Marvin Butler 1971-7-12 116 Siskiyou Near Copper Camp, close to the town of Cave Junction 1372 Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UC1409488  Platanthera stricta Frederick W. Oettinger 1968-7-17 1050 Siskiyou inlet to Upper English Lake (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC41084  Plectritis congesta J. O. Sawyer 1970-3-4 2070 Siskiyou N of Idlewild Campground. 762 Comment
  UC618751  Pleuricospora fimbriolata W. Bridge Cooke 1938-8-5 11460 Siskiyou Sisson Southern Trail, Canadian 1828 Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  UCD90674  Poa bulbosa Morris Halperin 1931-4-28 326 Siskiyou road between Montague and Ager. Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA211242  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  RSA115696  Poa nervosa Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC256020  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53415 Siskiyou Oro Fino 853 Comment
  HSC34093  Poa pratensis J. O. Sawyer 1969-7-18 1433 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  UCD39886  Poa pringlei R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  UC167209  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
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Jan 27 2015
  POM113795  Poa secunda Geo D. Butler 1909-5-22 821 Siskiyou Yreka Comment
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CHSC93550  Poa secunda subsp. juncifolia Lowell Ahart; John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC39632  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5647 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 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
  JEPS69889  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  JEPS43020  Polygala cornuta var. cornuta W. L. Jepson July, 1894 13574 Siskiyou Sisson Comment
  POM138560  Polygala cornuta var. cornuta Milo S. Baker 1897-1 167 Siskiyou Mayfield Road Comment
  CAS-BOT-BC414314  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Old mining dump near Oro Fino Comment
  UC164035  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackelford Creek Comment
  UC55513  Polygonum bistortoides Harley P. Chandler June, 1901 1708 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 1828 Comment
  SEINET10479618  Polygonum bistortoides Mary Susan Taylor 1980-6-23 Taylor 2947 Siskiyou T39N R5W se sec 19 Dunsmuir quad. Shasta-Trinity Natl Forest; ca. 100 ft S of Rd 40N26, ca. 1 mi E of its jct with road to Cedar Lake (39N05Y), near S fork of Sacramento River, ca. 10 mi SW of Mt Shasta. 1570 Comment
  CAS-BOT-BC414397  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  CDA2791  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou Northeast corner of Siskiyou Avenue & Interstate 5 freeway, and in yards along Siskiyou Avenue, north limits of Dunsmuir. 0 Comment
  UC55507  Polygonum davisiae Harley P. Chandler June 1901 1638 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC618739  Polygonum davisiae W. Bridge Cooke 1938-7-21 11289 Siskiyou between Horse Camp and Panther Creek Meadows; Mount Shasta Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  CAS-BOT-BC414585  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  OBI72046  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet ner end of FR 41N53 ca 1 mi N of morgan Meadows 1676 Comment
  POM104495  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Summer Fallow Fish near Yreka Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC375152  Polygonum douglasii subsp. majus Geo. D. Butler 1908-7-19 195 Siskiyou Humbug Creek Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SBBG29123  Polygonum minimum L. C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mtns; R9W, T47N, S18 1828 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  UC1540245  Polygonum sawatchense subsp. oblivium Dean W. Taylor 1987-6-26 9075 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC420225  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC420953  Polygonum sawatchense subsp. sawatchense Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  LA51270  Polygonum shastense William Bridge Cooke; 1939-8-8 13839 Siskiyou Mount Shasta, vicinity of Horse Camp Comment
  UC725786  Polygonum shastense A. A. Heller 1939-7-31 15433 Siskiyou Panther Meadow Mt. Shasta (border) Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  CAS-BOT-BC421083  Polygonum spergulariiforme W. B. Cooke; V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  CAS-BOT-BC421077  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Cr. 1005 Comment
  RSA144972  Polygonum spergulariiforme E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook. Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC69294  Polystichum imbricans Maralyn A. Renner 1980-7-24 1999 Siskiyou Lily Pad Lake 1768 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC1456685  Polystichum imbricans subsp. imbricans I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley 1524 Comment
  POM210932  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mountains 1768 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  JEPS100527  Polystichum lonchitis Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15859 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  HSC46072  Polystichum munitum J. P. Smith, Steve Selva 1970-6-14 3875 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  CAS-BOT-BC102767  Populus tremuloides John Thomas Howell 1939-8-9 15209 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1134798  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring; Shasta National Forest, Dunsmuir Quad., Widow Spring Comment
  UC375241  Populus tremuloides Geo. D. Butler 1908-8-3 533 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  HSC46779  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  UC1409453  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou ridge se Tobacco Lake Meadow (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  HSC18736  Potentilla flabellifolia Dorothy Parker 1949-7-10 338 Siskiyou Head of Paradise Lake, Salmon Mtn. Comment
  HSC29380  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1951 Comment
  UCD113876  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  HSC128  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-18 423 Siskiyou Willow Creek Trail. 1707 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  CAS-BOT-BC143316  Potentilla newberryi Gary Schoolcraft 1984-6-18 1228 Siskiyou On Big Tableland 9 mi. SW of Dorris, CA, 47-2-28 1356 Comment
  HSC4472  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge; steep N-facing slope 2195 Comment
  JEPS25764  Prunella vulgaris Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7476 Siskiyou 2.5 mi ne Swillup Creek crossing (along side canyon of Calif Hwy 96, Klamath River canyon); Klamath River canyon, ne of Swillup Creek crossing 304 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 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 NE 1524 Comment
  CAS-BOT-BC158238  Prunus emarginata Elmer I. Applegate 1895-5-30 154 Siskiyou Sisson Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  POM88103  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek. Comment
  HSC117  Prunus virginiana var. demissa William J. Ferlatte 1967-6-29 583 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC357404  Pseudognaphalium microcephalum Louis C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. 1402 Comment
  CAS-BOT-BC357409  Pseudognaphalium microcephalum Carl B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  UC179499  Pseudognaphalium thermale A. A. Heller 1914-8-25 11702 Siskiyou opposite Black Butte (along the railroad embankment near Deetz station) 1158 Comment
  POM206523  Pseudoroegneria spicata subsp. spicata E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon Comment
  RSA17736  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Bed National Monument Comment
  CHSC86667  Pseudostellaria jamesiana Jenny Marr 1993-7-1 50 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC91396  Pseudostellaria jamesiana Jennifer Whipple 1976-7-9 1380 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  UC903496  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 Siskiyou Plowman's Valley Rail Creek; , Rail Creek 1203 Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  HSC44886  Pseudotsuga menziesii var. menziesii Maralyn O'Meara 1974-5-25 398 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  HSC18923  Pterospora andromedea J. O. Sawyer 1969-7-9 1201 Siskiyou Near C.C.C. road N of Sugar Creek. Comment
  HSC2601  Pterospora andromedea William J. Ferlatte 1966-8-19 445 Siskiyou Kidd Creek Trail. 1707 Comment
  JEPS59082  Pterospora andromedea Willis L. Jepson Jul 24 1894-Aug 10 1894 14667 Siskiyou Sisson's Comment
  UCD91896  Puccinellia lemmonii Mr. Roseman 1913-1 19 Siskiyou Butte Valley. Comment
  UC775003  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 Siskiyou 12 mi ne Weed (on U.S. Hwy 97, at junction with road to Montague, sw end of Little Shasta Valley); Little Shasta Valley 914 Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  CAS-BOT-BC466285  Pyrola asarifolia R. F. Thorne 1969-8-23 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in teh vicinity of English Peak; trail to upper English Lake along Salmon River 1159 Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  HSC19196  Pyrola picta J. O. Sawyer 1968-7-10 462 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  UC479140  Pyrola picta Marcus E. Jones 1931-7-17 29062 Siskiyou Shasta City Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CAS-BOT-BC45747  Quercus Doris K. Kildale 1927-11-20 s.n. Siskiyou Klamath River at Hornbrook Comment
  CAS-BOT-BC68647  Quercus chrysolepis Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville, South Fork Salmon River Comment
  UC164057  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  UC165275  Quercus garryana Geo. D. Butler 1908-8-16 233 Siskiyou near Yreka Comment
  CAS-BOT-BC62757  Quercus garryana var. breweri John Thomas Howell 1937-7-23 13353 Siskiyou Soth Fork of Salmon River near Big Flat 1524 Comment
  POM267245  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles north of Happy Camp. Comment
  RSA639548  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6940 Siskiyou [No location information on label.] Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  UCD105619  Quercus kelloggii K. M. Meyer; A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CAS-BOT-BC104355  Quercus sadleriana Doris K. Kildale 1929-8-24 9075 Siskiyou Rattlesnake Meadow near Preston Peak 1524 Comment
  CAS-BOT-BC104367  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou E of Cook & Green Pass 1524 Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  HSC36740  Quercus sadleriana Brent Whitely 1975-7-3 128 Siskiyou 1220 Comment
  HSC74841  Quercus sadleriana J. P. Smith, Jennifer Whipple 1978-7-2 9990 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  UC1043394  Quercus sadleriana P. C. Everett and E. K. Balls 1954-10-12 20274 Siskiyou 2 mi w Dry Lake Lookout (Horse Creek to Dry Lake Lookout); Horse Creek 1920 Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  UC375251  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  JEPS95288  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou W of Dunsmuir (Gumboot Creek on the upstream side of Forest Road 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake) 1783 Comment
  POM270027  Ranunculus aquatilis var. hispidulus Louis C. Wheeler 1935-6-13 3569 Siskiyou Greenview, Scott Valley. 884 Comment
  UCSB24113  Ranunculus eschscholtzii Favero, R. 1968-3-24 Siskiyou 7 mi. east on Klamath River Rd. (Hwy. 96), 2 mi. up Lumgrey Creek Rd. 609 Comment
  HSC19169  Ranunculus eschscholtzii var. eschscholtzii J. O. Sawyer 1969-7-9 1275 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  HSC77008  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC78182  Ranunculus orthorhynchus var. orthorhynchus L. P. Janeway 1983-7-10 404 Siskiyou Poker Flat 1524 Comment
  UC747763  Rhamnus Isabelle C. Kimber 1934-6-9 20 Siskiyou just above Sacramento River confluence with Ney Creek (Steelbridge Camp, Sacramento River); Sacramento River 731 Comment
  UC163697  Rhamnus purshiana Geo. D. Butler 1910-8-7 1821 Siskiyou Humbug Mountain 1219 Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  CAS-BOT-BC109792  Rhodiola integrifolia subsp. integrifolia John Thomas Howell 1936-8-10 15274 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC53736  Rhododendron columbianum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake 1981 Comment
  HSC96319  Rhododendron columbianum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 476 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SJSU6529  Rhododendron columbianum R. W. Trivelpiece 1973-6-21 144 .5 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UCD13285  Rhododendron columbianum K. F. Mawdsley 1996-7-10 16 Siskiyou California, Siskiyou County. Castle Lake. 1698 Comment
  CHSC27782  Rhus aromatica K. Bridwell 1978-4-14 84 Siskiyou Along Klamath River, ca. 3 mi s of Hornbrook. 670 Comment
  CAS-BOT-BC200671  Rhus aromatica Doris K. Kildale 1928-7-25 5869 Siskiyou Klamath River between Gottville [Gottsville] & Brown's Resort Comment
  JEPS66277  Rhus trilobata Willis L. Jepson 1894-8-9 13916 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  CAS-BOT-BC438003  Ribes Doris K. Kildale 1928-8-19 6575 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC92409  Ribes aureum var. aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek. Comment
  HSC76993  Ribes binominatum K. T. Stillman 1976-6-25 70 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC168873  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  RSA0021097  Ribes inerme var. klamathense M. B. Dunkle 1944-7-14 9087 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC173302  Ribes lacustre W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, southern Siskiyou County Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  CAS-BOT-BC173300  Ribes lacustre Milo S. Baker 1926-7-23 113 -'26 Siskiyou S. Fork Mt. - 5 mi. north of highway Comment
  RSA0021106  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC173383  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11781 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  HSC73321  Ribes lobbii Gail Newton 1980-6-20 480 Siskiyou Near Bald Mtn. 1097 Comment
  UC1167538  Ribes lobbii C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (margin of Poker Flat, on Happy Camp-Waldo road) Comment
  UC166553  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  CAS-BOT-BC217877  Ribes nevadense Roxana S. Ferris; Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek Crossing on Scott Mountain Road S of Callahan 1493 Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC219275  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp on the Mount Shasta Trail Comment
  HSC64664  Ribes nevadense J. O. Sawyer 1977-7-6 3030 Siskiyou South of Little Duck Lake 2134 Comment
  UC1608353  Ribes nevadense J. Kierstead 1991-6-3 91 -41 Siskiyou Lower Falls of the McCloud River McCloud Ranger Dist. 944 Comment
  CAS-BOT-BC217883  Ribes nevadense Lester Rowntree 1935-5-31 s.n. Siskiyou Happy Camp Road Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC375353  Ribes roezlii Geo. D. Butler 1908-7-19 269 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC199981  Ribes roezlii var. cruentum Elmer I. Applegate 1935-8-3 10017 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  HSC99608  Ribes roezlii var. cruentum G. L. Clifton, Griswold 1979-6-28 6130 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA0024597  Ribes roezlii var. cruentum Roxana S. Ferris, Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  RSA0024602  Ribes roezlii var. cruentum Geo. D. Butler 1909-7-23 780 Siskiyou [No location information on label.] Comment
  UCD78094  Ribes roezlii var. roezlii Robert E. Preston 2001-6-23 1570 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS49241  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackelford Creek 1676 Comment
  RSA0019543  Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road near state line. Comment
  CAS-BOT-BC173906  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 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
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  UC166562  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou camp below Cold Spring; West Fork of Woolly Creek 1676 Comment
  UCD102537  Ribes viscosissimum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 2042 Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  RSA237294  Rorippa curvisiliqua Frederick W. Oettinger 1969-9-1 1574 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UCR37539  Rorippa curvisiliqua var. orientalis L. P. Janeway 1983-8-27 620 Siskiyou Along Poker Flat / Twin Valley trail 1677 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  JEPS107857  Rosa eglanteria Lowell Ahart, John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  UC922632  Rosa gymnocarpa Annie M. Alexander and Louise Kellogg 1948-9-7 5593 Siskiyou on road between first and second forks to Lookouts Siskiyou Mts., Black Bear Summit Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC148193  Rosa rubiginosa Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 mi. above Happy Camp 182 Comment
  CAS-BOT-BC148216  Rosa spithamea A. M. Vollmer; L. Beane 1951-6-2 53 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC149740  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-8-30 1969 Siskiyou Mount Eddy Comment
  CAS-BOT-BC147135  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  CAS-BOT-BC147141  Rubus glaucifolius D. K. Noyes 1911-9-29 22 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC147978  Rubus leucodermis Wm. Bridge Cooke 1938-7-22 11351 Siskiyou Sisson Southern Trail - Mount Shasta 1676 Comment
  CDA15528  Rubus leucodermis G. F. Hrusa 1998-7-5 14696 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  RSA237604  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou NNW of Little English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  CAS-BOT-BC147317  Rubus parviflorus L. E. Smith 1913-5-27 291 Siskiyou Weed Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  JEPS11911  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  HSC64513  Rumex acetosella J. P. Smith 1973-5-5 6368 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC55517  Rumex acetosella T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM167592  Salix boothii H. P. Chandler 1901-06 1547 Siskiyou Near Marble Mtn. 1829 Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  RSA183704  Salix eastwoodiae Gilbert Muth 1965-8-5 172 Siskiyou Along trail behind Black Mtn. Marble Mtns. Comment
  CAS-BOT-BC103760  Salix exigua Lewis S. Rose 1945-6-22 45171 Siskiyou Beaver Creek & Klamath River 548 Comment
  JEPS38524  Salix exigua Geo. D. Butler 1908-6-25 150 Siskiyou Butler Ranch near Yreka Comment
  LA208556  Salix exigua var. exigua W. B. C.; 1940-6-20 15158 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  HSC43051  Salix exigua var. hindsiana Ken Stillman 1976-8-24 442 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC576372  Salix jepsonii Mrs. H. P. Bracelin 1937-7-24 872 Siskiyou Webber's Camp Upper Caribou Lake; Trinity Alps 2042 Comment
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  UC164075  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  CAS-BOT-BC125457  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125465  Salix lasiandra var. lasiandra L. B. Kildale 1930-5-31 9794 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC125470  Salix lasiandra var. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1371 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  CAS-BOT-BC107078  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 843 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC482242  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC107341  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC124535  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 647 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC124541  Salix lasiolepis var. lasiolepis Grant 1902-9-13 5193 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  UC481736  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  POM219896  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1350 Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC129040  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  JEPS38485  Salix scouleriana W. L. Jepson 1907-7-19 2947 Siskiyou Indian Creek above Happy Camp; western Siskiyou Co. Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  RSA612549  Salix scouleriana Louis C. Wheeler 1935-7-26 3722 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  UC1409268  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou margin of Dry Lake; Salmon Mts, High L. Basins, English Pk vicin., Marble Mt Wil 1844 Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 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
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  HSC91184  Salix sitchensis Jennifer Whipple 1976-6-19 1065 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  RSA0016960  Salvia dorrii subsp. dorrii P. Quentin Tomich 1954-6-24 425 Siskiyou Sentinal Cave, Lava Beds National Monument 1479 Comment
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC238878  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-24 13391 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC91433  Sambucus nigra subsp. caerulea Jennifer Whipple 1978-10-6 2417 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC287  Sambucus racemosa var. racemosa William J. Ferlatte 1967-8-22 1080 Siskiyou Caribou Basin. 1982 Comment
  SEINET11918953  Sanguisorba annua H. M. Hall, Babcock, E. B. 1903-1 4046 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1036 Comment
  HSC60115  Sanicula crassicaulis M. A. Baker 1978-5-20 580 Siskiyou 3 km N of Somes Bar Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  UCD77988  Sanicula graveolens Robert E. Preston 2001-7-21 1739 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  SEINET13945185 Image available Sanicula graveolens L. Constance 1950-1 3360 Siskiyou East slope of Little Grayback Peak near summit, alt. 5700 ft 1737 Comment
  OBI81738  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou In thin layer of duff under Ponderosa pine on nearly level area surrounding Scott Mt. campground. 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
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  RSA238317  Saxifraga ferruginea Frederick W. Oettinger 1968-9-2 659 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  POM93446  Saxifraga oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills. 1524 Comment
  RSA120881B  Saxifraga tolmiei G. D. Barbe 1955-8-5 366 Siskiyou Near the summit of the trail to Caribou Lake, Salmon Mtns. Northwest of Caribou Mtn. 2409 Comment
  HSC64879  Saxifragopsis fragarioides D. L. Goforth 1979-7-19 269 Siskiyou Caribou Lakes Basin, .5 mi. S of upper lake 2195 Comment
  RSA238315  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC530061  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole; Siskiyou Mts., Alex Canyon 1889 Comment
  CAS-BOT-BC445875  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 1889 Comment
  RSA580863  Schedonorus arundinaceus L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  CAS-BOT-BC111411  Schoenoplectus acutus var. occidentalis D. E. Breedlove 1962-6-10 3323 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  SEINET5717261 Image available Schoenoplectus americanus Philip E. Hyatt 2002-1 11141 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  JEPS107651  Scirpus americanus Lowell Ahart, John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC30750  Scirpus congdonii J. H. Thomas; H. A. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  CHSC75723  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southwest of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC149  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  POM213852  Scutellaria antirrhinoides Isabelle C. Kimber 1934-9-6 30 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  RSA240087  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-12 1333 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC102660  Secale cereale J. P. Smith 2009-6-1 12618 Siskiyou Old U.S. 99 South, south of Gazelle. Comment
  CHSC118113  Sedum kiersteadiae Mary Ellen Colberg 2011-8-7 2 Siskiyou Mount Eddy: ridgeline. 2133 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS48029  Sedum obtusatum W. L. Jepson 1907-7-9 2867 Siskiyou Klamath Range near Putnam Peak (Kelsey Trail); Klamath Range near Putnam Peak Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  UC630383  Sedum obtusatum subsp. boreale Annetta Carter 1939-8-21 1467 Siskiyou 12 mi sw Etna (steep slope above se end Taylor Lake, Salmon Mountains); Salmon Mountains, Taylor Lake, sw of Etna 2164 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  NY388002  Sedum obtusatum subsp. boreale R. T. Clausen 1940-7-26 4952 Siskiyou Pacific slope. Province Middle Cascade. Sacramento river. E side of Mud Creek Canyon, Mt. Shasta. 1706.9 Comment
  CAS-BOT-BC64651  Sedum obtusatum subsp. paradisum L. B. Kildale 1930-6-1 9744 Siskiyou Salmon River at Somes Bar Comment
  HSC19432  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-22 537 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC26103  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC90629  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-8-6 2226 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 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
  RSA264941  Sedum oregonense G. L. Clifton 1975-7-28 9943 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  UC1299666  Sedum spathulifolium Freed W. Hoffman 1951-7-12 4025 Siskiyou Elk Lake Trail Marble Mountains (Marble Mountains) Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1971489  Selaginella wallacei Louis C. Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  HSC36874  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  RSA0013319  Senecio aronicoides Albert M. Vollmer, L. Beane 1951-5-31 s.n. Siskiyou Scott Mountain Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  JEPS37284  Senecio integerrimus var. major Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  JEPS74472  Senecio integerrimus var. major W. J. Ferlatte 1966-6-23 147 Siskiyou Big Flat Trinity Alps 1524 Comment
  UC1408878  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou n of Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UC91693  Senecio integerrimus var. major Harley P. Chandler June 1901 1606 Siskiyou near Marble Mountain 1981 Comment
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 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
  POM255759  Senecio triangularis Marion Ownbey, Ruth Ownbey 1938-7-20 1759 Siskiyou 1 mile NW of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  UC129421  Senecio triangularis Harley P. Chandler June 1901 1717 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1524 Comment
  RSA0011836  Shepherdia canadensis K. M. Meyer, A. Townesmith 2007-7-31 175 Siskiyou Shasta-Trinity National Forest, 5.4 mi. on NF rd. 17, off US Hwy. 97 1294 Comment
  JEPS67297  Sidalcea asprella W. L. Jepson 1937-7-30 18556 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters Indian Creek) 1584 Comment
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  HSC30805  Sidalcea oregana subsp. spicata Melinda F. Denton 1973-6-30 2926 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  RSA95267  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-19 3779 Siskiyou Lairds Landing Comment
  UCD116836  Sidalcea oregana subsp. spicata J. Dimling 1989-8-22 154 Siskiyou Deadfall Meadows, Shasta/Trinity National Forest. 1950 Comment
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC609314  Silene bernardina Eleanor Burks Hart 1938-8-16 951 Siskiyou Upper Wright Lake 2225 Comment
  JEPS23251  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  HSC43041  Silene campanulata subsp. greenei J. O. Sawyer, Ken Stillman 1976-7-2 2814 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC268  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  CAS-BOT-BC388961  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. 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
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  JEPS107671  Sisymbrium altissimum Lowell Ahart, John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC6908  Sisymbrium altissimum D. M. Thomson 1965-7-17 147 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  POM213958  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mt Shasta. 1220 Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 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
  UC618732  Sisyrinchium bellum W. Bridge Cooke 1938-7-15 11230 Siskiyou above Bear Spring (Also at Wagon Camp); Mount Shasta 1584 Comment
  SEINET3920543  Sisyrinchium bellum Douglass Henderson 1985-6-8 6974 Siskiyou Shasta-Trinity NF along Hwy 89 between McLeod and Susanville, ca 1 mile SE of Bartle. Along north side of Hwy.; 0 1207 Comment
  CHSC116262  Sisyrinchium elmeri Barbara L. Wilson; Nick Otting 2014-6-16 18103 Siskiyou Spur off Highway 26, uphill of Gumboot Lake. 1819 Comment
  UC1025073  Sisyrinchium idahoense Leo Whitney 1934-6-11 1587 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC1034583  Smilacina racemosa Douglas Barbe 1955-7-4 91 Siskiyou 1000 ft from Parrot Creek (11 mi s of Etna, s bank of creek); North Fork of French Creek 975 Comment
  SBBG125916  Solanum dulcamara L. Ahart, J. Dittes 2010-7-30 16939 Siskiyou S edge of Shasta River, ca 100 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  NY821076  Solanum parishii A. R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S. of Cook and Green Pass Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  CAS-BOT-BC365567  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC365578  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC1408918  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou high lake basins in the vicinity English Peak (Marble Mountain Wilderness Area, Western Siskyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tobacco L 1889 Comment
  UC165415  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC339857  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CHSC63502  Solidago multiradiata Vernon H. Oswald; Lowell Ahart 1994-8-1 6419 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  HSC6196  Solidago multiradiata D. M. Thomson 1965-8-14 193 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  CDA7676  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
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  RSA597967  Sorbus californica Louis C. Wheeler 1963-8-31 8319 Siskiyou Siskiyou Mountains. Devil's Punch Bowl. 1479 Comment
  SD98959  Spiraea densiflora D. F. Howe 1977-7-1 Siskiyou Mountain Creek on Scott River Road 1463 Comment
  UCR95629  Spiraea densiflora L. C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  POM257755  Spiraea densiflora var. splendens C. Leo Hitchcock, J. S. Martin 1939-7-7 5272 -a Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  RSA472784  Spiraea douglasii Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  UC555303  Spiraea douglasii Dorothy Tebbe 1929-7-1 Siskiyou Mt. Eddy; at Tern Dell Comment
  CAS-BOT-BC152549  Spiraea splendens C. L. Hitchcock; J. S. Martin 1939-7-7 5272 a Siskiyou Sanger Peak Trail 1 mi. south of Camp Chicago, Siskiyou Mts. ca. 12 miles south of Takilma, Oregon 1432 Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UC164122  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou head West Fork of Woolly Creek; Woolly Creek Comment
  UC884350  Stachys ajugoides var. rigida A. A. Heller 1915-8-26 12236 Siskiyou Mt. Eddy 1828 Comment
  HSC34128  Stachys rigida J. O. Sawyer 1969-7-23 1181 Siskiyou Along Horse Range Creek 1555 Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  CAS-BOT-BC204674  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Siskiyou Mts., Rogue River National Forest. Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage 1432 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  HSC29091  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou Marble Mtn. Wilderness Area, on English Lake Trail, below Willow Spring 1677 Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  SEINET10603975  Stipa thurberiana Louis C. Wheeler 1935-5-7 Wheeler 3470 Siskiyou Precipitous rocky s slope Klamath River at Ash Creek, Siskiyou Mts., S 14, T 46 N, R 7 W, Mt. Diablo Mer. 610 Comment
  UC1282013  Streptanthus barbatus Louise Kellogg 1953-8-8 109 Siskiyou creek on road between Callahan and Trinity Center (nw slope of mt); Scott Mountains, Klamath National Forest, Scott Mountain, Mu 1402 Comment
  HSC40419  Streptanthus tortuosus J. O. Sawyer 1973-7-15 2537 Siskiyou On Wooley Creek Trail between Deer Lick and Gates Creek 366 Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  POM203465  Streptanthus tortuosus Alice Eastwood, J. T. Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  UC648312  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC61980  Streptanthus tortuosus var. tortuosus Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  HSC44364  Streptopus amplexifolius Maralyn O'Meara 1973-6-24 231 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC67723  Streptopus amplexifolius John Palmer 1980-8-12 708 Siskiyou SE of Ward's Gap. 1189 Comment
  JEPS83580  Suaeda calceoliformis 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
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC166199  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  HSC76895  Symphyotrichum foliaceum K. T. Stillman 1976-9-9 485 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  HSC5081  Symphyotrichum foliaceum var. parryi Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC97946  Symphyotrichum frondosum Louis C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek, Siskiyou Mts. 1219 Comment
  HSC59892  Symphyotrichum frondosum R. & G. Pederson 1979-9-28 86 Siskiyou Lower Klamath National Wildlife Refuge. Unit 12 Comment
  CAS-BOT-BC98436  Symphyotrichum spathulatum Doris K. Kildale 1928-8-19 6510 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  CAS-BOT-BC98852  Symphyotrichum spathulatum var. intermedium Alice Eastwood 1912-7-15 1089 Siskiyou McCloud Comment
  JEPS72982  Taeniatherum caput-medusae W. L. Jepson 1940-6-22 19965 Siskiyou near Hilt (Hilt to Hawkinsville); Quarantine Station 914 Comment
  UC817369  Taeniatherum caput-medusae Louis C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley Shasta Valley; Grenada, Shasta Valley 792 Comment
  CAS-BOT-BC376797  Tanacetum parthenium L. E. Smith 1914-7-3 731 Siskiyou Sisson Comment
  CAS-BOT-BC376922  Taraxacum officinale John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53404 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  UC1446411  Tauschia howellii Marla Shapiro 1979-8-21 446 Siskiyou Marble Mountain Wilderness, Sawyers Bar Quad, where the English Peak-Diamond Lake trail crosses the saddle on Crapo Ridge Klamath National Forest 2194 Comment
  CAS-BOT-BC81342  Taxus brevifolia Geo. B. Grant 1902-9-1 1281 Siskiyou Dunsmuir Comment
  HSC29493  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Marble Mtn. Wilderness Area, NE side of Hancock Lake 1936 Comment
  NY17617  Taxus brevifolia W. R. Dudley 1901-8-20 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
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  CAS-BOT-BC88074  Thelypodium brachycarpum J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle. Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  CAS-BOT-BC88116  Thelypodium laciniatum Frank W. Peirson 1923-7-19 3734 Siskiyou Laird's Landing. Comment
  JEPS104955  Thelypodium laciniatum Dean W. Taylor 1996-7-10 15770 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  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
  JEPS128490  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca. 825 km N of Rasberry Lake just W of main trail. Comment
  MACF002236  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27256 Siskiyou Castle Lake Comment
  JEPS46260  Thermopsis A. E. Wieslander 1928-6-12 Siskiyou near Slate Creek; Siskiyou Mts., Klamath National Forest Comment
  RSA170315  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 200 yards up Raggedass Gulch e. of beaver Creek, Siskiyou Mts., 5 miles n. of the Klamath River Comment
  CAS-BOT-BC197374  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  JEPS93873  Thlaspi arvense Vernon H. Oswald and Lowell Ahart 1998-7-21 9322 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  JEPS81878  Thlaspi montanum var. montanum Roger Raiche 1982-7-3 20525 Siskiyou ne slope Mt. Eddy (Mt. Eddy); nw slope Mt. Eddy 1981 Comment
  SBBG109240  Thlaspi montanum var. montanum C. B. Hardham 1961-7-1 7996 Siskiyou White Mtn Comment
  CAS-BOT-BC66800  Thysanocarpus curvipes Lewis S. Rose 1945-6-18 45118 Siskiyou Horse Creek and Klamath River. 502 Comment
  SEINET12044516  Tofieldia glutinosa J. T. Howell 1937-1 13371 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC164323  Tonella tenella Geo. D. Butler 1910-4-17 1193 Siskiyou near Yreka Comment
  HSC30688  Torreyochloa erecta Frederick W. Oettinger 1969-9-1 1582 Siskiyou Marble Mtns. Wilderness Area, between Bear Meadow and English Peak. 2027 Comment
  HSC61123  Trautvetteria caroliniensis Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  CAS-BOT-BC519564  Triantha occidentalis subsp. occidentalis H. E. Brown 1897-7-15 523 Siskiyou South side of Mt. Shasta 3048 Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  SBBG25930  Trichostema oblongum D. Myrick 1966-8-8 1476 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC99288  Trichostema simulatum C. B. Wolf 1927-8-26 1054 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  HSC71477  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River Comment
  JEPS101153  Trifolium eriocephalum var. eriocephalum Dean W. Taylor 1996-6-19 15713 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 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
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  JEPS84185  Trifolium howellii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6350 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  HSC82379  Trifolium longipes Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4532 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS74570  Trifolium longipes W. J. Ferlatte 1966-6-23 130 Siskiyou Rose Mine Trinity Alps 1981 Comment
  UCD35427  Trifolium longipes Beecher Crampton 1956-8-21 3808 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCR39812  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  JEPS97189  Trifolium longipes var. elmeri Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95056 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
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC163681  Trifolium longipes var. hansenii Geo. D. Butler 1900-6-5 1507 Siskiyou Shackleford Creek Comment
  CHSC27780  Trifolium macrocephalum K. Bridwell 1978-4-14 73 Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  POM216002  Trifolium macrocephalum Louis C. Wheeler 1935-6-2 3540 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  JEPS118116  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  POM28356  Trifolium siskiyouense Edward Palmer 1892-7-13 2510 Siskiyou Mt. Shasta and vicinity. Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  UC867040  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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Aug 20 2009
  HSC18872  Trillium ovatum J. O. Sawyer 1968-9-13 723 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  RSA211419  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  RSA238973  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou Salamander Pond near Abbott Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC19120  Trisetum spicatum J. O. Sawyer 1969-8-1 1631 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC133482  Triteleia crocea L. B. Kildale 1930-6-1 9831 Siskiyou Mill Creek near Etna Mills Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC454064  Triteleia crocea var. modesta I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC91995  Triteleia hyacinthina Jennifer Whipple 1976-7-13 1454 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  UC1026905  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou along Castle Lake Road 1219 Comment
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC80261  Tsuga mertensiana subsp. grandicona J. M. Tucker 1963-7-8 3734 Siskiyou east side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC68383  Vaccinium membranaceum Maralyn A. Renner 1980-6-26 1205 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS66683  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  HSC36696  Vaccinium parvifolium Brent Whiteley 1975-7-11 157 Siskiyou 229 Comment
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Feb 25 2013
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 Comment
  CHSC95123  Valeriana sitchensis subsp. sitchensis L. P. Janeway 2006-7-2 8750 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  UCD78077  Veratrum californicum var. californicum Robert E. Preston 2002-7-14 1931 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1895 Comment
  HSC65842  Veratrum insolitum Gail Newton 1980-6-20 454 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC527059  Veratrum viride var. eschscholzianum P. C. Everett; E. K. Balls 1959-10-23 23940 Siskiyou 4 miles SW from Etna on road from Callaban to Somesbar, Salmon Mts. 1676 Comment
  HSC73337  Veronica americana Gail Newton 1980-6-20 463 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS16834  Veronica americana Geo. D. Butler 1908-7-22 451 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  HSC41803  Veronica americana Brent Whiteley 1975-8-1 119 Siskiyou Ti Creek, Klamath National Forest 671 Comment
  HSC66250  Veronica copelandii Maralyn A. Renner 1980-8-21 2589 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  JEPS16441  Veronica copelandii John G. Lemmon 1888-9-7 Siskiyou near Mount Eddy (Trinity - Siskiyou County Region) Comment
  JEPS7875  Veronica copelandii Geo. D. Butler 1908-8-8 30 Siskiyou summit s of Marble Mountain 1828 Comment
  SEINET4938455  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy [Plants of the Pacific Coast. Distributed by C.F. Baker] Comment