Search Results — 2000 specimen records retrieved (1389 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC31506  Abies concolor Steve Selva, Roger Jensen 1974-8-16 17 Siskiyou Above Sugar Lake trail Comment
  RSA237339  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Slopes NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC4983  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS42737  Acer circinatum Willis L. Jepson 1894-8-9 13942 Siskiyou Shasta Sprs., Sacramento River Canyon Region of the Upper Sacramento, Sacramento River Canyon Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  UC580674  Acer circinatum R. Bacigalupi Sep 1934 2328 Siskiyou 5 mi sw Cayton P.O.; Shasta National Forest, Bartle Quad. Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  CHSC30110  Acer glabrum var. torreyi M. S. Taylor 1980-6-4 2781 Siskiyou On S side of Cedar Lake, ca. 11 mi SW of Mt. Shasta City. 1737 Comment
  CAS-BOT-BC28855  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  OBI55465  Achillea millefolium David J. Keil 1992-7-21 23539 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  HSC58837  Achlys triphylla Marvin Butler 1971-7-8 57 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  CAS-BOT-BC105079  Achnatherum lemmonii subsp. lemmonii R. C. Wenk 2008-7-24 934 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  SEINET7593416 Image available Achnatherum occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - Bear Meadow above Tom's Lake 2187 Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  UC853390  Aconitum columbianum John Thomas Howell 1937-7-22 13323 Siskiyou S. Fork Salmon R. near Big Flat; S. Fork Salmon R. 1524 Comment
  SD73170  Aconitum columbianum Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC46  Aconogonon davisiae William J. Ferlatte 1966-7-6 186 Siskiyou Caribou Mtn. 2470 Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  SEINET4175530  Aconogonon phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  RSA184626  Adenocaulon bicolor Clare B. Hardham 1965-8-20 1302 Siskiyou Marble Mts. Granite Trail near Cudahy Lakes 1372 Comment
  UC1949220  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  SEINET3153138  Adiantum aleuticum G. B. Grant 25 Siskiyou Shasta Springs, No. Cent. Cal. Comment
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 Comment
  UCD51464  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou R.R. sideing, Montague. Comment
  SEINET515848  Agastache parvifolia Vernon Oswald 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC76710  Agastache urticifolia K. T. Stillman 1976-7-14 229 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC77050  Agastache urticifolia K. T. Stillman 1976-7-7 171 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC29452  Ageratina occidentalis Alice Eastwood 1912-8-28 1944 Siskiyou Cantara Comment
  RSA714932  Ageratina occidentalis M. E. Fishbein 2006-8-3 5873 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  POM351180  Ageratina occidentalis M. B. Dunkle 1945-1 9342 Siskiyou Klamath Natl. Forest. Marble Mts. Comment
  HSC92333  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1555 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  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
  SFV5159  Agoseris grandiflora B. C. Templeton 1960-6-21 8526 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC15392  Agoseris grandiflora var. grandiflora LeRoy Ellsworth Detling 1950-6-11 6636 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC22770  Agoseris heterophylla Elmer I. Applegate 1937-5-12 11082 Siskiyou Lava Beds National Monument, near the boundary between Canby Cross and Stronghold. Comment
  SBBG30514  Agoseris heterophylla D. Myrick 1968-6-28 2052 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UC1408799  Agoseris monticola Robert F. Thorne and Fred Oettinger 1969-8-10 38992 Siskiyou s slope, at base of boulders on slopes above ski-lodge Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  CAS-BOT-BC110745  Agropyron Roxana S. Ferris; Laura Lorraine 1948-6-12 11795 Siskiyou Scott Mountain Road south of Callahan. Comment
  POM115804  Agrostis exarata Geo D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC139564  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CAS-BOT-BC138930  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 2072 Comment
  HSC22422  Agrostis pallens J. O. Sawyer 1969-8-1 1668 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30521  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge 2073 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  HSC30632  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1161 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  RSA239080  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou South of big bare area between King David's and Abbot's Basin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET5335937  Agrostis pallens G. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  SEINET7594120 Image available Agrostis pallens Annie M. Alexander, Louise Kellogg 1949-1 5818 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  UC1265416  Agrostis thurberiana F. W. Oettinger 1968-9-5 713 Siskiyou Base Camp Meadow, English Lake, w Siskiyou County Salmon Mountains, English Lake 1935 Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  UC1108542  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC41360  Aira caryophyllea J. P. Smith 1976-5-5 8685 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS83010  Allium acuminatum Roger Raiche with Kurt Zadnik 1982-10-14 20807 Siskiyou Forest Service Road 42N17 about 2 mi w Stewart Springs Road; Mt. Eddy area 1219 Comment
  SEINET3883771  Allium amplectens D. E. Bright 1961-6-15 190 Siskiyou 5 miles west of Bray, California.; 0 Comment
  HSC74439  Allium bolanderi var. bolanderi M. A. Baker 1980-6-20 2199 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  SBBG30569  Allium campanulatum D. Myrick 1968-6-27 2049 Siskiyou Preacher's Peak above Big Flat, head of Coffee Crk 2133 Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  HSC82586  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-26 4715 Siskiyou Along SR 3 N of Scott Mtn. Summit at junction with USFS Rd. 40N03 1524 Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  JEPS61509  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake; Shackleford Creek 1371 Comment
  UC1133842  Allium validum H. A. Jensen 1933-6-25 331 Siskiyou near Wagon Camp; Shasta National Forest, Dunsmuir Quadrangle Comment
  UC164296  Allium validum Geo. D. Butler 1910-6-19 1577 Siskiyou Goosenest foothills 1524 Comment
  UCD141860  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  SEINET3154008  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenet foot hills 1524 Comment
  CAS-BOT-BC171404  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC171417  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC169375  Alnus viridis subsp. sinuata Mrs. H. P. Bracelin 1936-5-11 840 Siskiyou Mt. Eddy, about 6 miles NW of Mt. Shasta City; Wagon Creek canyon above Metcalf ranch house 1188 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  CAS-BOT-BC539680  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8721 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  CAS-BOT-BC18594  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53369 Siskiyou Grenada, near the railroad station. 792 Comment
  RSA48581  Alyssum alyssoides P. A. Munz 1949-5-18 13307 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  HSC2911  Amaranthus hybridus R. C. Wunner 1965-8-14 413 Siskiyou Lava Beds National Monument, end of Hovey Pt., near agricultural area, disturbed. 1220 Comment
  HSC69124  Amelanchier alnifolia Maralyn A. Renner 1980-8-7 2384 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC44719  Amelanchier alnifolia var. pumila J. O. Sawyer, E. Cope 1977-6-18 2910 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CDA25706  Amelanchier alnifolia var. semiintegrifolia F. D. Horn 1977-5-25 Siskiyou South of Weed. 0 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  UC375373  Amelanchier utahensis Geo. D. Butler 1908-7-12 493 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC136922  Amelanchier utahensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Fox Mountain Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west 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
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS21784  Anaphalis margaritacea unknown Siskiyou Comment
Read comments
Jul 22 2010
  UC1090391  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13135 Siskiyou near summit Scott Mt. 1920 Comment
  UC165939  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  UC618888  Anemone occidentalis W. Bridge Cooke 1938-7-21 11601 Siskiyou s.w. slopes Red Butte; Mt. Shasta, Red Butte Comment
  CAS-BOT-BC391972  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  UC375346  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou head of Taylor Creek; Salmon Range, Taylor Creek 2133 Comment
  JEPS25818  Angelica arguta Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek 1524 Comment
  SEINET13943378 Image available Angelica arguta W. J. Ferlatte 1966-1 244 Siskiyou Trinity Alps of northern California; Big Flat. wooded area near public camp, alt. 5000 ft T37N R9W SEC18. 1524 Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC79903  Antennaria microphylla John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29210  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; above Abbott's Lake Basin 1982 Comment
  RSA238705  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou Occasional on open, granitic, rocky slope NNW of Upper English lake; western exposed and growing beneathe a sugar pine. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA416677  Antennaria rosea M. B. Dunkle 1945-1 9315 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CHSC259  Antennaria rosea subsp. confinis V. Holt 1943-8-10 Siskiyou Marble mountains. 1524 Comment
  CAS-BOT-BC428042  Antennaria rosea subsp. rosea Julie Kierstead Nelson; Jordan Rainbow 2014-5-21 2014 -017 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. 1088 Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  HSC100297  Apera interrupta J. P. Smith, & J. O. Sawyer 2011-6-25 13253 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC65081  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-6-15 3892 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC163992  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou near Cold Spring (Woolly Creek) Comment
Read comments
May 9 2012
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  RSA403114  Apocynum androsaemifolium subsp. pumilum M. B. Dunkle 1944-6-25 9029 Siskiyou Siskiyou Natl. Forest Comment
  UCR47856  Aquilegia formosa Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA183670  Aquilegia formosa var. truncata Gilbert Muth 1965-8-5 173 Siskiyou Marble Mts Comment
  UC1299659  Arabis Freed W. Hoffman 1951-7-15 4056 Siskiyou on w side Kelsey Creek (w Siskiyou County); Marble Mountains, Hammond Camp 1524 Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  RSA0125741  Arabis breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC77286  Arabis breweri var. breweri L. P. Janeway 1983-9-10 650 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC69022  Arabis divaricarpa var. interposita Maralyn A. Renner 1980-7-24 2012 Siskiyou Lily Pad Lake 1768 Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  RSA77996  Arabis holboellii var. pinetorum Verne Grant, Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  UC1181804  Arabis modesta Dorothy Parker 1950-4-7 386 Siskiyou near Walker (bluffs above Klamath River); Siskiyou Mountains 533 Comment
  HSC40067  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 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
  POM95492  Arabis sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UC165757  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou hills near Yreka Comment
  POM299041  Aralia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near its mouth, 3 miles east of Happy Camp Comment
  SD76161  Arbutus menziesii Helen V. Witham 1969-10-7 589 Siskiyou 6 miles south of Scott's Bar, Scott River. 500 Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  CHSC81495  Arctostaphylos klamathensis Ann Willyard 2000-7-27 513 Siskiyou Scott Mountain, about 0.6 rd mi w of Scott Mountain campground, along Mule Creek Ridge, on the Klamath National Forest.UTM: 10 524359 E 4569675 N. 1676 Comment
  UCR47872  Arctostaphylos manzanita Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  UC456165  Arctostaphylos nevadensis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  CAS-BOT-BC46465  Arctostaphylos patula Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou W. side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC46467  Arctostaphylos patula Alice Eastwood 1912-9-1 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  POM367404  Arctostaphylos patula B. C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  RSA47637  Arctostaphylos patula Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11771 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  SBBG83943  Arctostaphylos patula R. Gankin, L Srivastara, C. Lamoreux 1957-11-4 260 Siskiyou US Hwy 199, E side of hwy, approx.2 mi N of Weed. Comment
  UC60989  Arctostaphylos patula Geo. B. Grant September 1902 5171 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC46451  Arctostaphylos patula Ella Dales Cantelow 1940-6-2 3744 Siskiyou W. of Indian Nells Ranger Station. Comment
  SEINET11989684  Arctostaphylos patula subsp. platyphylla R. Raiche, Radnik, K. 1982-1 20820 Siskiyou on road to Mt. Eddy 1524 Comment
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  CAS-BOT-BC47022  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  POM131596  Arctostaphylos viscida subsp. viscida Edward L. Greene 1903-7-14 3519 Siskiyou Klamathon. Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  POM31414  Arnica amplexicaulis Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek. Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  UC1540129  Arnica dealbata Dean W. Taylor 1987-6-26 9071 Siskiyou 2 mi w Medicine Lake (on the sw side of Little Mount Hoffman near summit); Little Mount Hoffman 2209 Comment
  UC1408811  Arnica parryi Frederick W. Oettinger 1969-7-28 1087 Siskiyou Tom's Upper Pond (above) Marble Mountain Wilderness Area, English Peak, The Salmon Mo 2026 Comment
  OBI55469  Arnica spathulata David J. Keil, Kathleen Keil 1992-7-21 23536 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mountain rd (Hwy 3). Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  UC637065  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River); , Klamath River, Walker Creek 609 Comment
  SEINET8690328 Image available Asarum hartwegii W. B. Cooke 1937-1 9075 Siskiyou Sisson Southern Trail, Mt. Shasta 1829 Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM76104  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou Near Yreka. Comment
  SEINET10637017  Asclepias fascicularis George D. Butler 1910-6-29 Butler 1613 Siskiyou Near Yreka Comment
  SEINET7112709  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou Near Yreka Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  POM76059  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou Dry land near Yreka Comment
  SEINET10741573  Asclepias speciosa H. E. Brown 1897-7-15 Brown 493 Siskiyou N side of Mt. Shasta Comment
  UCD121381  Asclepias speciosa J. P. Smith; Steve Selva 1970-7-15 4362 Siskiyou Baldy Mountain Lookout Station. 1722 Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  CDA6797  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  POM58128  Aster occidentalis var. occidentalis E. B. Copeland 1913-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC178816  Astragalus californicus Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman's Valley, east fork of Scott River Drainage 1203 Comment
  CHSC110544  Astragalus californicus Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -057 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain. Rd 42N19 Sec. 30; ca 1 mi. S of Gazelle-Callahan Hwy. 1158 Comment
  UC163663  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Hills Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  CAS-BOT-BC198709  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts. 5 miles above Callahan 1264 Comment
  CAS-BOT-BC198702  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  UC1034573  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou nw slope Scott Mt. (Klamath Mountains); , nw slope Scott Mt. 1828 Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  RSA215608  Athyrium americanum Anonymous 1969-8-7 1270 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC22116  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC19251  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-8-5 1789 Siskiyou Along Sugar Creek. 1921 Comment
  CAS-BOT-BC66199  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1934-8-10 3094 Siskiyou Jaynes Canyon, Siskiyou Mts. 1371 Comment
  UC1191369  Atriplex truncata Verne Grant and Irving Schneider 1947-8-26 8301 Siskiyou alkali flats by Interstate Highway (Lower Klamath Lake); Lower Klamath Lake Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  JEPS125861  Balsamorhiza lanata Dean W. Taylor 1996-6-27 15747 Siskiyou Scott Valley; hill slopes on south base of Hartstrand Gulch about 2 miles east of canyon mouth. About 5 air miles E of Etna Comment
  CHSC118187  Balsamorhiza lanata Sarah Tona 2015-6-9 3 Siskiyou Along the west side of Old Highway 99, 1.8 miles south of Gazelle. Coordinates: 44.494926, -122.510921 WGS84. 876 Comment
  RSA59494  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1585 Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  JEPS73744  Beckmannia syzigachne George D. Butler 1908-6-25 484 Siskiyou Butler's Ranch near Yreka Comment
  JEPS108613  Berberis aquifolium var. aquifolium R. Raiche 1986-7-15 60327 Siskiyou Herd peak Road, herd Mt., NE of Weed 1688 Comment
  UC472297  Berberis aquifolium var. dictyota H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  HSC67762  Berberis aquifolium var. repens John Palmer 1980-8-15 973 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UC922611  Berberis aquifolium var. repens Annie M. Alexander and Louise Kellogg 1948-9-5 5584 Siskiyou at Matthews Creek (Southern Fork of Salmon River); Siskiyou Mts Comment
  CAS-BOT-BC75721  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  CAS-BOT-BC75922  Berberis piperiana Doris K. Kildale 1929-5-1 7841 Siskiyou Callahan. Comment
  CHSC106314  Berula erecta Lowell Ahart; John Dittes 2010-7-30 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC169478  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove grows in a swamp near the Mount Shasta High School, Mount Shasta 1097 Comment
  CAS-BOT-BC169491  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  UC166583  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou near Oro Fino Comment
  UCR51790  Bidens cernua L. C. Wheeler 1934-10-21 03337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA698466  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  RSA698467  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15804  Boechera acutina Thomas W. Nelson; Jane P. Nelson 1980-7-19 6196 Siskiyou Along Forest Service road 29N01 A at Fox Creek ca. 1 mile from junction with Forest Service road 29N01. 1676 Comment
  CAS-BOT-BC16020  Boechera breweri subsp. breweri Doris K. Kildale 1928-7-4 5502 Siskiyou Summit of divide between Salmon River and Scott Valley. Comment
  CAS-BOT-BC16049  Boechera breweri subsp. shastaensis Alice Eastwood; John Thomas Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  CAS-BOT-BC13815  Boechera howellii John Thomas Howell 1937-7-25 13444 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25728  Boechera sparsiflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11838 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  SEINET10585318  Bolboschoenus maritimus George D. Butler 1910-8-21 Butler 1847 Siskiyou Shasta Valley. Comment
  UCD78124  Botrychium multifidum Robert E. Preston 2001-8-26 1762 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1883 Comment
  UC662434  Botrychium pumicola W. Bridge Cooke 1941-8-21 16223 Siskiyou basin near the spur on S bank of Diller Canyon, W side of Shastina Mount Shasta 2751 Comment
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Jul 3 2007
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC127861  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim. Marble Mts. Comment
  SEINET5707334 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  SBBG15560  Brodiaea elegans subsp. elegans D. Myrick 1961-6-21 294 Siskiyou Hwy 99, just S of Yreka 914 Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  UCD59177  Bromus carinatus var. marginatus Geo. D. Butler 1909-5-21 815 Siskiyou Near Yreka. Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  RSA184787  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Valley, Marble Mountains. 1799 Comment
  UC1265366  Bromus orcuttianus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1246 Siskiyou below Pine Lake Basin (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  UC1265363  Bromus suksdorfii F. W. Oettinger 1969-9-2 1588 Siskiyou above Bear Meadow (near Tom Taylor Cabin, Salmon Mountains); Salmon Mountains 2026 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  CAS-BOT-BC185603  Bromus tectorum Lewis S. Rose 1945-6-18 45075 Siskiyou Horse Creek & Klamath River. 502 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  RSA60714  Bromus tectorum var. glabratus I. L. Wiggins 1950-5-27 12356 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  JEPS116610  Calamagrostis koelerioides Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -027 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2103 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  RSA211388  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  JEPS17772  Calochortus tolmiei W. L. Jepson 1907-7-5 2824 Siskiyou Marble Mt. Comment
  CAS-BOT-BC494016  Calochortus tolmiei Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  RSA0120951  Caltha biflora Frederick W. Oettinger 1968-8-3 379 Siskiyou Base of camp meadows, Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC181504  Caltha leptosepala Doris K. Kildale 1928-8-19 6546 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  CAS-BOT-BC181510  Caltha leptosepala A. A. Heller 1915-7-15 12080 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC273392  Calycadenia fremontii Carl B. Wolf 1927-8-27 1152 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UCD129886  Calycadenia truncata R. L. Carr 1974-9-12 2160 Siskiyou 0.4 mile east of Somesbar on Salmon River Road. 195 Comment
  SEINET7096759  Calyptridium monandrum 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
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 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
  UC1045297  Calyptridium umbellatum W. Bridge Cooke 1940-8-8 15448 Siskiyou near Red Buttes (in the South Gate, Mount Shasta); Mount Shasta 2438 Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  RSA603170  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1935-6-9 3562 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  RSA453343  Camissonia tanacetifolia subsp. tanacetifolia M. V. Hood 1940-08 s.n. Siskiyou Mt Hebron, near Mt Shasta. 1220 Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  JEPS83866  Campanula prenanthoides Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  SEINET10462859  Campanula prenanthoides Butler 1908-7-20 BUTLER 37 Siskiyou HEAD OF LONG GULCH NEAR YREKA Comment
  SEINET10463072  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou KLAMATH NATL FOR ALONG HWY 96 NR SOMES BAR. T12N R6E Sec. 33 219 Comment
  SEINET10463157  Campanula prenanthoides Deventer DEVENTER s.n. Siskiyou Preston Peak quadrangle; Youngs Valley. T17N R5E SECS. 9, 10 & 16. Comment
  SEINET10464348  Campanula rotundifolia Holt 1932-7-10 Holt s.n. Siskiyou Mount Eddy 1829 Comment
  CAS-BOT-BC266452  Campanula scabrella Arthur Menzies 1962-6-21 s.n. Siskiyou Mount Eddy 2529 Comment
  CAS-BOT-BC266453  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou On the summit of Mount Eddy 2758 Comment
  HSC91399  Campanula scabrella Jennifer Whipple 1976-7-7 1334 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10840348  Campanula scabrella Raven 1956-9-4 Raven 10415 Siskiyou SUMMIT OF MT EDDY FORMING MATS 2758 Comment
  SEINET10905936  Campanula scabrella England 1987-7-16 ENGLAND s.n. Siskiyou Mt. Eddy Timberline. Comment
  UC1473430  Campanula scabrella Gilbert Jerome Muth 1978-8-3 7403 Siskiyou close to town of Callahan (near China Mountain, China Mt. quadrangle); China Mt. quadrangle 2603 Comment
  SEINET10463779  Campanula scouleri LEE 1934-8-13 LEE 1080 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC1258470  Campanula scouleri John Palmer 1980-8-12 751 Siskiyou road from Beaver Creek Road to Bearground Spring; Condry Mtn. Quad. 1341 Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  UC726667  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CDA24745  Capsella bursa-pastoris G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2580 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  UC618905  Cardamine bellidifolia var. pachyphylla Reed Rollins 1938-9-8 11647 Siskiyou n slope Red Butte (Mount Shasta); , n slope Red Butte Comment
  HSC90975  Cardamine californica Jennifer Whipple 1976-6-17 1025 Siskiyou Near Durney Lake 2073 Comment
  RSA297045  Cardamine cordifolia var. lyallii John F. Emmel 1974-7-21 521 Siskiyou Meaadows 0.2 air mile N of N end of lower Wright Lake, Marble Mtn Wildernes area. 2073 Comment
  UC166131  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  CDA6890  Carduus nutans R. S. Richards 1965-7-27 Siskiyou Between Mt Shasta & Highway 99, ca 2 miles north of Mt Shasta City. 0 Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC19770  Carex abrupta R. Tallent 1987-8-16 941 Siskiyou Mount Shasta Area. Panther Meadows Trailhead Area. 2220 Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  CAS-BOT-BC17858  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  UC144184  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC17864  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Klamath Forest. Hungry Creek. 1280 Comment
  HSC76859  Carex amplifolia L. P. Janeway 1982-9-2 182 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  POM81701  Carex angustata Geo D. Butler 1909-6-22 855 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC18129  Carex athrostachya Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  SEINET10648314  Carex breweri A. Arthur Heller 1922-7-3 Heller 13679 Siskiyou Wet gravel above the head of Wagon Creek, Mount Eddy in the Hudsonian Zone. 2560 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA610959  Carex densa L. C. Wheeler 1935-5-11 3475 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC96593  Carex echinata subsp. echinata Gordon Leppig, J. Cromwell 1997-7-25 583 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET10650256  Carex eurycarpa A. Arthur Heller 1920-7-6 Heller 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. In open places in the forest. 1158 Comment
  CHSC107111  Carex fracta R. E. Brainerd 2009-7-22 1557 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTN Zone 10 478466E 4568630N. 1036 Comment
  JEPS84060  Carex gigas L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6377 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UCR52389  Carex gigas L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  JEPS100298  Carex halliana Dean W. Taylor 2001-8-28 17906 Siskiyou Mt. Shasta; western base of Ash Creek Butte 1767 Comment
  JEPS25940  Carex halliana B. C. Goldsmith 1916-9-29 29 a Siskiyou Medicine Lake Comment
  JEPS95113  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  SEINET10650717  Carex halliana A. Arthur Heller 1922-7-15 Heller 13689 Siskiyou Plentiful in wet soil in the meadow at Medicine Lake, Canadian zone. 2134 Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  CAS-BOT-BC28083  Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  HSC77212  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On S side of upper S Fk Indian Cr. 1433 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  HSC85708  Carex luzulina L. P. Janeway 1982-7-2 33 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  UCD140532  Carex luzulina Robert E. Preston 1996-7-24 984 Siskiyou 2 miles SE of Medicine Lake, at Paynes Springs. 2011 Comment
  HSC60834  Carex mertensii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC32011  Carex multicaulis Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 503 Siskiyou Mt. Shasta, southern slope. 2743 Comment
  HSC37184  Carex multicaulis J. O. Sawyer 1968-6-25 298 Siskiyou 1646 Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  HSC33315  Carex multicostata William J. Ferlatte 1974-7-26 1599 Siskiyou Big Flat, near South Fork of Salmon River, S of campground on W side of river 1524 Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC85845  Carex multicostata L. P. Janeway 1983-8-26 609 Siskiyou Poker Flat, across road on N side of meadow 1524 Comment
  CAS-BOT-BC119645  Carex nigricans Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2194 Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  UCR40057  Carex nudata L. P. Janeway 1983-6-25 441 Siskiyou West side of Klamath River just north of Ferry Point 290 Comment
  UCR45815  Carex nudata L. P. Janeway 1984-6-21 461 Siskiyou Dillon Mtn. Q., East side of Klamath River at Persido Bar. 213 Comment
  HSC37420  Carex ovalis J. O. Sawyer 1969-7-18 1374 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  CAS-BOT-BC119125  Carex phaeocephala R. Tallent 1987-8-12 902 Siskiyou Klamath National Forest. Long Gulch Lake, SE end of lake. 1944 Comment
  CAS-BOT-BC118785  Carex preslii Louis C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mts. 1676 Comment
  HSC67702  Carex preslii Maralyn A. Renner 1980-8-8 2447 Siskiyou Rattlesnake Meadow 1646 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  RSA211369  Carex proposita William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge, Caribou Basin. Ridge west of Big Caribou Lake. Trinity Alps. 2134 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 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
  HSC29651  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1227 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  HSC67755  Carex rossii J. O. Sawyer, J. Cole 1980-7-19 3686 Siskiyou Near FS Rd. 45N05 2018 Comment
  CDA33140  Carex rossii D. Osterhandt 1977-6-29 Siskiyou Forest plantation, Klamath National Forest, near Weed. 0 Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET7486452 Image available Carex scabriuscula Peter F. Zika 2009-1 24536 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  CAS-BOT-BC118225  Carex scopulorum var. bracteosa Doris K. Kildale 1929-8-25 9111 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  HSC76308  Carex spectabilis L. P. Janeway 1982-8-15 146 Siskiyou Below Echo Lake 1646 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7575752 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  CAS-BOT-BC115850  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  CHSC40196  Carex utriculata L. P. Janeway 1983-8-16 559 Siskiyou At Poker Flat. Wet middle of lower portion of meadow. 1524 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC76828  Carex utriculata L. P. Janeway 1982-7-2 39 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  CAS-BOT-BC115164  Carex vesicaria Wilhelm Hillebrand s.n. Siskiyou Spragues River, E of Klamath Valley. Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC29373  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou Salmon Mts., above English Lake trail on English Lake side of Pass to Diamond Lake 1890 Comment
  HSC59942  Castilleja applegatei D. L. Goforth 1979-7-19 258 Siskiyou Trinity Alps Wild Area, Carbiou Lakes Basin 2134 Comment
  LA209207  Castilleja applegatei subsp. pinetorum Alice Eastwood; 1939-7-14 13690 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  CAS-BOT-BC243751  Castilleja applegatei var. pinetorum Doris K. Kildale 1928-7-2 5394 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC243768  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument Comment
  CAS-BOT-BC383123  Castilleja arachnoidea Andrew Townesmith; Karen M. Meyer 2007-7-30 869 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  JEPS4513  Castilleja lacera Geo. D. Butler 1909-6-20 932 a Siskiyou near Yreka; Upper Portugese Ditch Comment
  CDA41242  Castilleja lacera A. & E. Hale 1984-6-1 s.n. Siskiyou Deer Meadow Road, near Yreka. 0 Comment
  CAS-BOT-BC253612  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4533 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC254018  Castilleja miniata Alice Eastwood 1917-9-2 6669 Siskiyou Shasta Springs Comment
  HSC69174  Castilleja miniata Maralyn A. Renner 1980-8-6 2333 Siskiyou Cracker Meadow 1555 Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  CAS-BOT-BC241081  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mountain Wilderness Area. NE facing in Black Mt. 2133 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC63606  Ceanothus integerrimus Doris K. Kildale 1928-7-2 5353 Siskiyou Salmon Summit via How Creek Trail. 1981 Comment
  HSC36722  Ceanothus integerrimus Brent Whitely 1975-6-28 78 Siskiyou 915 Comment
  CAS-BOT-BC50692  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-23 1316 Siskiyou Dunsmuir Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. Comment
  CAS-BOT-BC53095  Ceanothus prostratus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  UC164315  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  CDA35686  Ceanothus prostratus T. C. Fuller 1962-6-11 8949 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  RSA399825  Ceanothus prostratus M. B. Dunkle 1944-1-15 9090 Siskiyou Siskiyou National Forest. 1768 Comment
  SBBG4462  Ceanothus prostratus var. prostratus H. and M. Dearing 1939-7-3 3543 Siskiyou near Weed Comment
  CAS-BOT-BC52171  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn road Comment
  OBI80339  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  POM85996  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Hundrey Mtn. 1220 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CDA7263  Centaurea maculosa T. C. Fuller 1967-8-15 16261 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CDA15579  Centaurea nigra G. F. Hrusa 1998-7-5 14686 Siskiyou Siskiyou Mountains; Immed. S of Indian Creek Bridge at base of pass between Happy Camp CA. & O'Brien OR. Comment
  NY444414  Centaurea solstitialis M. L. Conrad 1973-6-1 6970 Siskiyou At the north edeg of Hornbrook 731.5 Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CDA3353  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B.M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  UCD97997  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UCD98000  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  UCD112913  Cercocarpus ledifolius var. intermontanus K. M. Meyer; A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  HSC76723  Chaenactis douglasii var. douglasii K. T. Stillman 1976-8-7 384 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC46952  Chaenactis douglasii var. douglasii William J. Ferlatte 1974-7-15 1542 Siskiyou Yellow Rose Mine; On tailings from mine shaft 1982 Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  CHSC4549  Chamaesaracha nana J. E. Bowlin 1967-7-18 54 Siskiyou On bank beside the road, 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  CAS-BOT-BC165985  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC68238  Cheilanthes gracillima Robert T. Clausen; Harold Trapido 1940-7-26 4953 Siskiyou Sacramento River Basin - Mt. Shasta - east side of canyon on Mud Creek 1584 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  UC922550  Chenopodium botrys Annie M. Alexander and Louise Kellogg 1948-9-15 5621 Siskiyou Canyon Creek Siskiyou Mountains (branch of Scott River) 762 Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  RSA478563  Chenopodium rubrum L. C. Wheeler 1934-10-21 3338 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  RSA478566  Chenopodium vulvaria L. C. Wheeler 1934-9-18 3277 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC451434  Chimaphila menziesii Wm. Bridge Cooke 1939-8-4 13810 Siskiyou Mount Shasta: along the Sisson Southern Trail 1676 Comment
  CAS-BOT-BC452258  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  HSC19322  Chimaphila umbellata J. O. Sawyer 1968-9-9 661 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC452261  Chimaphila umbellata Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Regreat Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. Comment
  CDA3726  Chorispora tenella F. Wallier 1961-5-16 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  CDA3730  Chorispora tenella D. E. Bayer 1960-5-27 Siskiyou Butte Valley; In (west) ca. 1 mile on road originating at U.S. Highway 97 ca. 1 mile south of Macdoel and running around Meiss Lake. Comment
  POM208524  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
  HSC27629  Chrysolepis chrysophylla Carl W. Mize 1972-6-22 90 Siskiyou In a draw past cut block #48 1113 Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  HSC30271  Chrysolepis sempervirens William J. Ferlatte 1971-9-19 1385 Siskiyou NW side of Caribou Mtn. 2073 Comment
  HSC91334  Chrysolepis sempervirens Jennifer Whipple 1976-9-4 1796 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2348 Comment
  UC1409349  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou ne face English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  POM57971  Chrysothamnus nauseosus subsp. albicaulis E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2226 Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  HSC19167  Cinna latifolia J. O. Sawyer 1969-8-3 1791 Siskiyou Along C.C.C. road 1524 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  CAS-BOT-BC105874  Cirsium G. J. Muth 1969-8-12 1369 Siskiyou Second Valley 2225 Comment
  CDA1136  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -A Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CHSC62425  Cirsium cymosum B. McAlexander 1993-7-7 Siskiyou Little Shasta Valley located E of Montague, N of Steamboat Mt. and S of Little Shasta River. 731 Comment
  CAS-BOT-BC279888  Cirsium douglasii var. breweri A. A. Heller 1920-8-13 13526 Siskiyou Near Deetz Station, six miles from Sisson Comment
  CAS-BOT-BC288775  Cirsium remotifolium Geo. D. Butler 1908-8-4 335 Siskiyou W Fork of Wooley Creek Comment
  SEINET8198345 Image available Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca. 1 mile North from Carter Meadow Summit (8 miles Southwest of Callahan) 1981 Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  JEPS59252  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou Oro Fino Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC228985  Cistanthe umbellata Alice Eastwood 1912-7-15 1059 Siskiyou Mc Cloud [McCloud] Comment
  RSA96726  Clarkia concinna subsp. concinna Lee W. Lenz 1953-5-17 18311 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  CHSC86456  Clarkia gracilis subsp. gracilis Jenny Marr 1993-7-1 73 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CHSC93539  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC163462  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  POM37807  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1910-5-21 1375 Siskiyou Klamath hills Comment
  CAS-BOT-BC164987  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  RSA45343  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east of Scott Valley. 823 Comment
  RSA465249  Claytonia lanceolata Christopher Davidson 1975-6-5 2690 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
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May 17 2012
  CHSC90514  Claytonia obovata Martin J. Lenz 2004-4-23 204 Siskiyou 1.2 air mi. SSE of Forest Mtn. Summit. UTM 10 523315 E 4611799 N. 1408 Comment
  HSC4459  Claytonia rubra subsp. rubra William J. Ferlatte 1967-6-5 495 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC443861  Claytonia sibirica Roxana S. Ferris; Laura Lorraine 1948-6-12 11884 Siskiyou About 6 miles from Etna on Forks of Salmon Road 1706 Comment
  UC198766  Claytonia sibirica Annie M. Alexander and L. Kellogg 1911-6-26 188 Siskiyou Jackson Lake Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  UCD139631  Clintonia uniflora J. M. Tucker; D. V. Hemphill 1974-7-28 4334 Siskiyou 1.5 miles south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  CAS-BOT-BC238054  Collinsia Alice Eastwood 1912-7-16 1144 Siskiyou Mc Cloud [McCloud] Comment
  JEPS3848  Collinsia linearis Duncan Dunning 1923-6-13 Siskiyou sw Sawyers Bar (near Blue Ridge Ranger Station) Comment
  UC1483552  Collinsia parviflora Maralyn A. Renner 1980-6-7 791 Siskiyou n of Greenhorn Road (Klamath National Forest); Klamath National Forest 1097 Comment
  UC1409409  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS70999  Collomia grandiflora W. L. Jepson 1940-6-23 20025 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  RSA237240  Collomia grandiflora Frederick W. Oettinger 1967-6-28 127 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC1347199  Collomia linearis John Thomas Howell 1937-7-22 13262 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC164128  Collomia tinctoria Geo. D. Butler 1910-5-30 1429 Siskiyou Humbug Creek Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  HSC30497  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Marble Mtn. Wilderness Area, along main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin Comment
  RSA126297  Collomia tracyi I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  RSA755949  Corallorhiza maculata Robert F. Thorne 1969-8-2 63343 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC1177929  Corallorhiza maculata Francia Chisaki and Gene B. Newcomb 1958-6-21 1146 Siskiyou on Everitt Hill road 3.5 mi e junction with Highway 99 & 89; Everitt Hill 1447 Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  CHSC52839  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1. miles below (and S.E. of) summit of the road between Takilma, Ore. and Happy Camp, Calif.-Klamath National Forest, Siskiyou Mountains. 914 Comment
  OBI59411  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, C. L. Custer & G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and SE of ) summit of the road between Takilma, OR and Happy Camp-Klamath Natl Forest, Siskiyou Mts; drainage of the West Branch of Indian Creek 914 Comment
  CAS-BOT-BC212058  Cornus nuttallii Doris K. Kildale 1929-8-24 9064 Siskiyou Trail to Preston Peak between Young's Valley and Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC212061  Cornus nuttallii Alice Eastwood 1922-10-18 115 Siskiyou Shasta Springs Comment
  POM301764  Cornus nuttallii Marion Ownbey, D. H. Brown, Findley Ownbey 1941-6-22 2426 Siskiyou Road between Craggy Moutain and Deadwood Lookout, northwest of Yreka. Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  CAS-BOT-BC210420  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou Near Sisson Comment
  CAS-BOT-BC210427  Cornus sericea Alice Eastwood 1921-7-24 10726 Siskiyou Castle Lake Comment
  HSC19268  Cornus sericea subsp. sericea J. O. Sawyer 1968-6-18 196 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69542  Cornus sericea subsp. sericea Maralyn A. Renner 1980-8-6 2245 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC21530  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou 6 mi. below Bartles (McCloud R.); McCloud R. Comment
  CDA38584  Cornus sericea subsp. sericea D. H. Shaw Jun 1977 s.n. Siskiyou Near Happy Camp. 0 Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  JEPS36411  Crepis acuminata W. L. Jepson 1937-7-30 18533 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  CAS-BOT-BC291527  Crepis intermedia John Thomas Howell 1939-8-4 15041 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  CAS-BOT-BC376563  Crepis occidentalis subsp. costata A. A. Heller 1905-6-19 8065 Siskiyou Along the railroad near Grenada station Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  POM147907  Crepis pleurocarpa J. B. Feudge 1927-7-24 1803 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  SEINET11859968  Crepis pleurocarpa Unknown 1953-1 126 Siskiyou Blue Point, Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  CHSC71280  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS22546  Crocidium multicaule George D. Butler 1909-3-7 553 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  JEPS93823  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9197 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC696  Cryptantha affinis William J. Ferlatte 1967-8-23 1107 Siskiyou Kidd Creek Trail 1951 Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  CHSC57422  Cryptantha milobakeri L. P. Janeway 1984-6-22 873 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC78652  Cryptantha rostellata Thomas Howell May 1889 Siskiyou Hornbrook Comment
  UC133586  Cryptantha torreyana A. A. Heller 1905-6-8 7995 Siskiyou Yreka Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC399487  Cryptogramma acrostichoides Geo. D. Butler 1909-7-15 875 Siskiyou Highland Mine Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80534  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Historical Smiths Sawmill) 1676 Comment
  CAS-BOT-BC80553  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest Grove - [Goose Nest] Goosenest Region 1828 Comment
  NY16601  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA352345  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  CHSC109724  Cupressus macnabiana Louis C. Wheeler 1936-4-14 3417 Siskiyou Siskiyou Mts., West Fork Seiad Creek. 1158 Comment
  JEPS47086  Cuscuta approximata George D. Butler 1908-7-10 536 Siskiyou Yreka Comment
  UC105504  Cycladenia humilis var. humilis K. Brandegee July 1887 Siskiyou between Sisson's and Edgewood Comment
  RSA757951  Cymopterus terebinthinus var. californicus Barbara Ertter, Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 79 northeast of Weed Comment
  UC133674  Cynoglossum occidentale A. A. Heller 1905-6-5 7984 Siskiyou Shasta Springs Comment
  CDA37842  Cynoglossum officinale Ashley Knight 2012-7-16 PDR# 470 P06027571 Siskiyou Slightly west of Slagger Camp, Shasta/Trinity National Forest. 0 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  UC4445  Cypripedium montanum C. B. Bradley 1879-1 Siskiyou Comment
  HSC9541  Dactylis glomerata C. B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  CAS-BOT-BC189808  Dactylis glomerata Carl B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 miles above Happy Camp. Comment
  UC1265438  Danthonia californica F. W. Oettinger and R. F. Thorne 1969-8-4 1153 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mountains, Sundew Bog 1828 Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  RSA120876  Darlingtonia californica Unspecified 1955-7-9 160 Siskiyou 0.25 mile north of Kangaroo Lake on Rail Creek, Scott Mountains 1829 Comment
  UC1037462  Darlingtonia californica Douglas Barbe 1955-7-9 160 Siskiyou soggy meadow 1/4 mi n Kangaroo Lake; Scott Mtns., Rail Creek 1828 Comment
  UC1483479  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow Klamath National Forest, Preston Peak Quad. 1554 Comment
  SEINET10937535  Darlingtonia californica Mary Susan Taylor 1980-7-22 Taylor 3171 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  UC144313  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  RSA59503  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E slope, Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  HSC41692  Delphinium nuttallianum J. P. Smith, Steve Selva 1970-7-18 4486 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC165300  Delphinium nuttallianum Geo. D. Butler 1910-3-24 1142 Siskiyou Shasta River hills Comment
  UC166146  Delphinium nuttallianum Geo. D. Butler 1909-4-14 642 Siskiyou Humbug road Comment
  HSC67778  Delphinium nuttallianum J. O. Sawyer, J. Cole 1980-7-21 3871 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  HSC91416  Deschampsia cespitosa Jennifer Whipple 1976-9-2 1764 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC192465  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  SEINET4567140  Deschampsia elongata E. Palmer 1892-1 2642 Siskiyou Near Mt. Shasta Comment
  JEPS107384  Descurainia incisa subsp. filipes Lowell Ahart, John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  UC1362281  Dicentra formosa K. R. Stern 1965-5-29 2171 Siskiyou ca 15 mi nnw Klamath River (town) (1.2 mi below Deer Camp) Comment
  CAS-BOT-BC402473  Dicentra formosa subsp. formosa Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  HSC635  Dicentra pauciflora William J. Ferlatte 1967-6-29 574 Siskiyou Yellow Rose Mine 1982 Comment
  UC618815  Dicentra uniflora unknown 1938-6-24 11107 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  HSC2243  Dichelostemma capitatum subsp. capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  HSC46240  Dichelostemma congestum Jennifer Whipple 1978-6-5 2346 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC291000  Dieteria canescens var. shastensis Alice Eastwood 1921-7-25 10856 Siskiyou Bigelows, on the McCloud Comment
  OBI55452  Dieteria canescens var. shastensis David J. Keil 1992-7-20 23509 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 8.2mi W of Scott river Rd Comment
  CAS-BOT-BC209022  Digitaria sanguinalis Dorothy Parker 1949-8-21 73 Siskiyou YeCanahue(?) Gulch, Scott Valley 914 Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  SEINET210157  Diplacus layneae Noel H. Holmgren, Liew Fah Seong 1969-1 3617 Siskiyou CA 89, 23 mi E of McCloud, 1.3 mi from Shasta Co. line Comment
  RSA47660  Disporum hookeri var. hookeri Roxana S. Ferris, Laura Lorraine 11750 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC19084  Dodecatheon alpinum J. O. Sawyer 1969-8-5 1738 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29231  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW side of Upper English Lake 1768 Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC63073  Dodecatheon hendersonii David Wheeler 1979-4-1 14 Siskiyou Haypress Meadows turnoff along the Salmon River, 1/4 mi. from S.R. 96 Comment
  UC178683  Dodecatheon jeffreyi Brandegee June 1887 Siskiyou Sisson's Comment
  UC22390  Dodecatheon jeffreyi Harley P. Chandler June, 1901 1573 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  SEINET11973424  Dodecatheon jeffreyi H. P. Chandler 1901-1 1573 Siskiyou near Marble Mountain 1829 Comment
  UC1199666 Image available Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou along Ager-Beswick Road 2.7 mi sw California-Oregon border; ; Siskiyou Co. Comment
  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
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  HSC90899  Draba aureola Jennifer Whipple 1976-7-25 1577 Siskiyou N face of Mount Eddy 2439 Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 Comment
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  HSC29183  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Salmon Mtns., high lake basins in the vicinity of English Peak, Marble Mtn. Wilderness area, down NE end of Crapo Peak Ridge 2186 Comment
  HSC61207  Draba howellii Al Hobart Siskiyou El Capitan 1829 Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  CAS-BOT-BC41304  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. 1889 Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC1409281  Drymocallis Frederick W. Oettinger 1968-8-22 598 Siskiyou ridge between Diamond Lake and English Peak (Marble Mountain Wilderness Area, High Lake Basins vicinity of English Peak, Salmon Mountains, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC18930  Drymocallis glandulosa J. O. Sawyer 1969-7-3 1043 Siskiyou Above Lipstick Lake 1951 Comment
  JEPS96969  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  CAS-BOT-BC159288  Drymocallis lactea var. lactea Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  RSA610532  Eleocharis parishii L. C. Wheeler 1935-6-9 3550 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC227928  Elymus elymoides John Thomas Howell 1937-7-21 13158 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1024710  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-20 2134 Siskiyou 35 mi sw Tennant; Shasta National Forest 1524 Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC10945  Elymus elymoides var. elymoides D. M. Thomson 1965-6-12 79 Siskiyou Lava Beds National Monument, Hovey Point, along N boundary Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC206604  Elymus glaucus subsp. glaucus E. Palmer 1892-1-1 2613 Siskiyou Mt. Shasta Comment
  RSA591598  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  CHSC36177  Epilobium brachycarpum K. Bridwell 1978-7-5 166 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  UC726611  Epilobium brachycarpum A. A. Heller 1916-8-24 12554 Siskiyou near Sisson 1074 Comment
  RSA184734  Epilobium ciliatum subsp. glandulosum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  UC84475  Epilobium densiflorum Dr. E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  UCD77629  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2002-7-11 1896 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Trout Creek Meadow 1505 Comment
  UC422949  Epilobium glaberrimum subsp. glaberrimum Milo S. Baker 1899-7-31 Siskiyou e slope of mt Mt. Shasta (and Ash Creek) Comment
  UC618827  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs Mount Shasta Comment
  POM261231  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1941-9-5 16277 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  UC1713137  Epilobium hallianum Harley P. Chandler June 1901 1702 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  POM251082  Epilobium hallianum W. Bridge Cooke 1938-7-15 11208 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  HSC49639  Epilobium hornemannii subsp. hornemannii J. P. Smith, Steve Selva 1970-6-16 4068 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  HSC61783  Epilobium luteum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC44948  Epilobium minutum J. O. Sawyer 1978-6-17 3235 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  UCD106507  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar, along the Scott River. Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  SEINET3864901 Image available Equisetum arvense Edward L. Smith 1967-5-22 s.n. Siskiyou By railroad tracks. City of Mt. Shasta.; 0 1085 Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  JEPS45874  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath R. 670 Comment
  HSC619  Eremogone congesta William J. Ferlatte 1966-8-5 330 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC91434  Eremogone congesta Jennifer Whipple 1976-7-9 1397 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC22140  Eremogone congesta var. suffrutescens J. O. Sawyer 1969-7-9 1255 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UCR45295  Ericameria bloomeri R. D. Goeden 1986-9-11 s.n. Siskiyou S of McCloud, along road in front of town cemetery 945 Comment
  HSC24683  Ericameria greenei J. O. Sawyer 1969-9-11 2001 Siskiyou On E-facing slope above Duck Lake Creek 1905 Comment
  POM211819  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC298252  Ericameria nauseosa var. oreophila Alice Eastwood 1922-10-23 11557 Siskiyou Yreka Comment
  CAS-BOT-BC298253  Ericameria nauseosa var. oreophila Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
  SJSU15105  Ericameria nauseosa var. oreophila C. W. Sharsmith 1992-9-17 9242 Siskiyou Devils Homestead (lava flow) Lava Beds National Monument Comment
  CAS-BOT-BC299467  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  UC894775  Ericameria nauseosa var. speciosa Lewis S. Rose 1941-8-28 41430 Siskiyou Macdoel 1297 Comment
  UC62938  Ericameria parryi var. latior Geo. B. Grant 1902-9-1 5152 Siskiyou Mount Shasta, Sisson 914 Comment
  CDA4411  Erigeron aliceae T. C. Fuller 1974-9-24 20024 Siskiyou Siskiyou Mountains; Reeves Ranch Spring 0 Comment
  SJSU6079  Erigeron aliceae R. W. Trivelpiece 1971-8-22 74 Siskiyou upper Tompkins Creek on west side Scott River about 6 miles SW of Scott Bar, Marble Mts 1524 Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC294504  Erigeron bloomeri var. bloomeri A. A. Heller 1921-7-7 13567 Siskiyou On Mt. Eddy on the long gravelly slope west of Wagon Creek 2133 Comment
  JEPS101369  Erigeron bloomeri var. nudatus Dean W. Taylor 1997-6-12 16053 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS75970  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou S. Fork Salmon River W of Big Flat; Trinity Alps 1432 Comment
  UC1409460  Erigeron cervinus F. W. Oettinger 1969-7-28 1080 Siskiyou nw of and above Upper English Lake; Salmon Mts., English Peak, Red Fir Forest 2011 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  UC725404  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou just s Bray 1402 Comment
  SDSU3937  Erigeron filifolius D. F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on #97. 1158 Comment
  CAS-BOT-BC300478  Erigeron filifolius L. E. Smith 1915-7-6 s.n. Siskiyou Bray Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  HSC92365  Erigeron glacialis var. glacialis Jennifer Whipple 1976-7-9 1385 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  OBI55471  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  SD62054  Erigeron inornatus Darley F. Howe 1965-8-8 4122 Siskiyou South side of Little Gray Back. 1435 Comment
  CAS-BOT-BC295384  Erigeron inornatus A. A. Heller 1918-7-16 s.n. Siskiyou Mt. Eddy, west of Sisson 1524 Comment
  HSC2323  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mtn. 1067 Comment
  UC455840  Erigeron inornatus var. inornatus I. J. Condit 1909-8-23 Siskiyou near Sisson; Mt. Shasta, Castle Lake 1828 Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  JEPS101306  Erigeron klamathensis Dean W. Taylor 1999-8-12 17307 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  JEPS29179  Erigeron klamathensis Lauramay T. Dempster 1961-7-2 1855 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  CAS-BOT-BC295804  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-14 3140 Siskiyou Klamath National Forest. W. end White Mt. 1828 Comment
  HSC28709  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Caribou Basin, Sawtooth Ridge at summit of trail to Stewart Fork 2287 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  UC727120  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou e base of Deer Mountain Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC224135  Eriodictyon californicum D. E. Breedlove 1962-6-11 3343 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  CHSC67579  Eriogonum congdonii James D. Jokerst 1992-7-30 3433 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  UC1475704  Eriogonum diclinum Clifton and Ground 1978-7-30 2450 Siskiyou near Alex Hole (close to the town of Klamath River); Condrey Mt. Quadrangle 2122 Comment
  CHSC71590  Eriogonum elatum var. elatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 A Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 1524 Comment
  HSC43075  Eriogonum elatum var. villosum J. P. Smith, J. O. Sawyer 1971-9-18 4825 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC454347  Eriogonum elatum var. villosum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, bank of Sacramento River Sacramento River, Dunsmuir Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263666  Eriogonum luteolum var. luteolum Alice Eastwood 1922-10-23 11550 Siskiyou Yreka Comment
  CAS-BOT-BC263654  Eriogonum luteolum var. luteolum Mrs. H. C. Cantelow 1938-10-25 s.n. Siskiyou About 16 miles NW of Yreka on Hy. #96 Comment
  HSC43463  Eriogonum marifolium Jennifer Whipple 1976-6-25 1582 Siskiyou N slopes of Mt. Eddy 2561 Comment
  UCD100380  Eriogonum marifolium Beecher Crampton 1956-8-22 3865 Siskiyou Wagon Camp Road, south slope of Mt. Shasta. 1828 Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  CHSC9496  Eriogonum marifolium var. marifolium J. F. Goodwin 1971-7-3 127 Siskiyou West side of road, in open area, 0.3 mi south of Mt. Shasta Ski Bowl area. 2438 Comment
  HSC42993  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-15 4365 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC67836  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-22 3921 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  UC61676  Eriogonum nudum var. pubiflorum Geo. B. Grant Sept. 1902 5137 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC272478  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-10 9473 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  HSC17329  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-6-26 118 Siskiyou Lava Beds N.M., 1.5 mi. from campground, Indian Well fire rd. Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  CAS-BOT-BC267713  Eriogonum roseum Dorothy Parker 1948-8-6 177 Siskiyou Plowman's Valley, east fork of Scott River 1203 Comment
  HSC27766  Eriogonum roseum J. P. Smith, J. O. Sawyer 1972-9-14 5794 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA123700  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1955-7-16 174 Siskiyou In dry, Powdery Shale-like rock on the east ridge leading to the summit of South Yolla Bally ( Mt. Linn) 2287 Comment
  CHSC71311  Eriogonum sphaerocephalum var. halimioides Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9242 Siskiyou Big Tableland at the southwest edge of the lower Klamath National Wildlife Refuge. Comment
  HSC17425  Eriogonum strictum var. greenei Dorothy Parker 1949-6-30 326 Siskiyou Along Kidder Creek, Scott Valley 857 Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  CAS-BOT-BC263385  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  HSC66393  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  SBBG1638  Eriogonum umbellatum H. and M. Dearing 1938-6-27 2175 Siskiyou E of Bartle 1066 Comment
  CAS-BOT-BC267981  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  JEPS83872  Eriogonum umbellatum var. argus Wayne Roderick July 1976 Siskiyou along trail to Copper Butte (vicinity Cook and Green Pass); Siskiyou Mts. 1767 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  CHSC93534  Eriogonum umbellatum var. dumosum Lowell Ahart; John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, 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
  JEPS109256  Eriogonum umbellatum var. goodmanii D. W. Taylor 2002-7-27 18278 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  UC77425  Eriogonum umbellatum var. humistratum H. E. Brown Jun 15 1897-Jun 30 1897 Siskiyou n side Mt. Shasta Mt. Shasta 1524 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  UC375310  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou summit above Cold Spring; Woolly Creek Comment
  SD88332  Eriogonum umbellatum var. polyanthum D. F. Howe 1972-7-8 Siskiyou 9.5 miles north of Weed on #97 853 Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  CAS-BOT-BC262377  Eriogonum vimineum W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  SEINET5332083  Eriogonum vimineum G. Butler 1910-7-31 1806 Siskiyou Summer fallow fields area, Yreka. Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC96547  Eriophorum crinigerum Gordon Leppig 1998-7-10 908 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC43061  Eriophyllum lanatum Ken Stillman 1976-8-31 456 Siskiyou E and N sides of Williams Point 366 Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  SEINET10919980  Eriophyllum lanatum Billy Joe Cox 1971-6-9 Cox 3200 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposing lava, sandy, on slight S-E facing slope. 1250 Comment
  CAS-BOT-BC301136  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  CAS-BOT-BC301448  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-22 12438 Siskiyou Near Black Butte north of Sisson 1097 Comment
  CAS-BOT-BC301719  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1928-7-2 5355 Siskiyou Salmon Summit via Horn Creek trail Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC81986  Eriophyllum lanatum var. lanceolatum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4871 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  UC117673  Erysimum capitatum Mrs. R. M. Austin June 1894 Siskiyou Willow Creek Valley Comment
  UC166607  Erysimum capitatum Geo. D. Butler 1910-5-4 1273 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC54582  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-6 5216 Siskiyou Summit Siskiyou Mountains, north of Takilma-Happy Camp Road. 1676 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  UC164327  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  CAS-BOT-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC403687  Eschscholzia californica W. B. Cooke; V. G. Cooke; Ed. Stuhl 1961-1-1 s.n. Siskiyou Along Snowline Road, Mount Shasta 1219 Comment
  JEPS124522 Image available Eschscholzia californica J. Yamanaka 1965-7-13 137 Siskiyou McCloud Highway 89 m. Center of town. Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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Sep 2 2014
  HSC473  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine 1982 Comment
  HSC68331  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-6-26 1238 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69232  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2714 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  CAS-BOT-BC310628  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  UCD98901  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  CAS-BOT-BC278725  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  JEPS80506  Festuca roemeri Gilbert Muth 1966-7-25 448 Siskiyou Marble Mt. Lookout Marble Mountain Wilderness Area 2097 Comment
  UC1265441  Festuca rubra F. W. Oettinger 1969-9-2 1585 Siskiyou near Tom TayloR Cabin (w Siskiyou County); Salmon Mountains, Bear Meadow 2026 Comment
  CAS-BOT-BC279075  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; ridge just north-west behind West Branch Guard Station 701 Comment
  HSC32288  Festuca subuliflora J. O. Sawyer 1970-6-17 2206 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  UCD113273  Fragaria virginiana J. M. Tucker; D. V. Hemphill 1974-7-26 4295 Siskiyou Vicinity of Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  CAS-BOT-BC60013  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CAS-BOT-BC60022  Frangula purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, ne. base of Mt. Eddy in moist soil in the forest. 1188 Comment
  HSC36608  Frangula purshiana Brent Whiteley 1975-6-24 50 Siskiyou 235 Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  HSC100302  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13270 Siskiyou Along Sugar Creek Rd., E of its intersection with Hwy. 3. 912 Comment
  JEPS61886  Fritillaria atropurpurea W. L. Jepson 1907-7-5 2831 Siskiyou Marble Mountain Comment
  UC429285  Fritillaria atropurpurea Annie M. Alexander and L. Kellogg 1911-6-17 151 Siskiyou Jackson Lake Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  RSA238701  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou NW of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1799 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  JEPS100202  Galium serpenticum subsp. scotticum Dean W. Taylor 2002-6-10 18122 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC68974  Garrya buxifolia Maralyn A. Renner 1980-7-24 2129 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC182158  Garrya fremontii 1934-6-22 2764 Siskiyou Cottonwood Creek. Klamath [National] Forest 1066 Comment
  CAS-BOT-BC182245  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  HSC36708  Garrya fremontii Brent Whitely 1975-7-5 141 Siskiyou 213 Comment
  JEPS51841  Garrya fremontii Geo. D. Butler 1908-7-4 39 Siskiyou near Reeder's (Shasta River); Shasta River Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET5740315 Image available Gayophytum diffusum J. M. Tucker 1974-1 4311 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area.; Haypress Meadows 1463 Comment
  HSC183  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-2 237 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC185  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-18 413 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC61660  Gayophytum heterozygum Geo. B. Grant September 1902 5170 Siskiyou Sisson Mount Shasta (in garden) 914 Comment
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  UC334253  Gentiana newberryi unknown 1888-9-7 Siskiyou near Mt. Eddy Comment
  UC1584288  Gentiana newberryi var. newberryi J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -71 Siskiyou s side Forest Service Rd. 26 (Gumboot Creek); Shasta/Trinity National Forest, Mt. Shasta Ranger Dist. 1767 Comment
  HSC29223  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Marble Mtn. Wilderness Area, 'Base Camp', mid-slope between Diamond and Hancock Lake 2012 Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  CAS-BOT-BC143593  Geum triflorum C. L. Hitchcock; J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile southeast of King's Castle; Marble Mts. 1828 Comment
  CAS-BOT-BC143592  Geum triflorum Dorothy Parker 1948-7-11 96 Siskiyou Sam's Neck, near Dorris 1371 Comment
  HSC68523  Gilia capitata Maralyn A. Renner 1980-6-23 988 Siskiyou W Fork Seiad Creek 878 Comment
  RSA185783  Gilia capitata H. A. Thomas, John H. Thomas 1954-7-21 4407 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1037 Comment
  LA88501  Gilia capitata O. H. Kappler; 1948-7-16 1801 Siskiyou Siskyou Mountains, on rd to Happy Camp 701 Comment
  HSC67728  Glyceria elata John S. Palmer 1980-8-12 692 Siskiyou SE of Wards Gap. 1189 Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  CAS-BOT-BC282849  Glyceria striata Doris K. Kildale 1929-7-21 8752 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  HSC92565  Glyceria striata Jennifer Whipple 1978-10-6 2425 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC302674  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CHSC29309  Gnaphalium palustre J. D. Prouty; A. W. Ratcliff 1979-8-2 79 .93 Siskiyou Vernal pool, roadside, Hwy. 49, ca. 20 mi ne of jct. with Hwy. 89. 1645 Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA237529  Gnaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou NE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  CDA6053  Grindelia nana G. D. Barbe 1973-8-14 1703 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  OBI55543  Grindelia nana David J. Keil, Kathleen Keil 1992-7-24 23568 Siskiyou E of McCloud along hwy 89, 18.9 mi W of Shasta County line. Comment
  RSA190702  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou 20 acres of disturbed ground, W of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  HSC29273  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: 30 yds. SE of Tom Taylor Cabin 2027 Comment
  HSC624  Hackelia bella William J. Ferlatte 1966-7-7 211 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  SJSU11499  Hackelia californica M. D. Fleschner 1965-7-13 Siskiyou W of Deadhorse Summit of State Rte 89 c. 6 mi SW of Bartle Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  UC163856  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou Whiskey Camp Independence Creek Comment
  CHSC31061  Hackelia mundula M. S. Taylor 1980-7-8 3108 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  CHSC71612  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Rd: (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  HSC61168  Hastingsia alba Al Hobart 1967-8-8 Siskiyou El Capitan 2073 Comment
  UC454437  Hastingsia alba I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC504609  Hastingsia alba Alice Eastwood 1912-7-24 1362 Siskiyou Castella Comment
  CAS-BOT-BC504621  Hastingsia alba L. E. Smith 1913-7-12 482 Siskiyou Mt. Eddy Comment
  UC3688  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  SD98966  Hastingsia bracteosa Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek. Comment
  CAS-BOT-BC302427  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  CDA6183  Hazardia whitneyi var. discoidea T. C. Fuller, Don Shaw 1974-9-24 20032 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC29097  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Marble Mtn. Wilderness Area, above Horse's Hole near Horse Range Lake 1829 Comment
  UCD132645  Hazardia whitneyi var. discoidea Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. 1941 Comment
  CAS-BOT-BC306351  Helenium Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  CAS-BOT-BC306749  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  UC584277  Helenium bigelovii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2470 Siskiyou w side of river near Trumble Ranch (along road from Callahan to Carrville); Trinity River 1050 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  UC1034577  Helianthella californica subsp. nevadensis Douglas Barbe 1955-7-26 267 Siskiyou nw slope Scott Mtn (along a dry ditch) 1828 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC1953  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Mt. Diablo Meridian, Shasta Valley, 2 mi. SE of Yreka. 856 Comment
  CAS-BOT-BC313467  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  CHSC105862  Hesperochiron californicus Julie Kierstead Nelson 2010-7-3 2010 -013 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. On west-facing , rocky slope and on gravel of road. 1676 Comment
  CAS-BOT-BC311088  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC420708  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  JEPS101162  Heuchera merriamii Dean W. Taylor 1996-6-19 15707 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS49743  Heuchera merriamii Geo. D. Butler 1908-8-9 221 Siskiyou Marble Valley Camp 1676 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA0063200  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC319694  Hieracium albiflorum Alice Eastwood 1921-7-25 10846 Siskiyou Bigelows, McCloud River Comment
  CHSC359  Hieracium albiflorum K. Jaekel 1939-7-2 Siskiyou Mt. Shasta. 1828 Comment
  HSC42947  Hieracium albiflorum J. O. Sawyer, Ken Stillman 1976-7-1 2767 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC92732  Hieracium albiflorum Jennifer Whipple 1976-7-23 1513 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  JEPS36677  Hieracium albiflorum Geo. D. Butler 1908-7-20 330 Siskiyou w side Humbug Mountain Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC318544  Hieracium greenei Geo. D. Butler 1980-7-20 328 Siskiyou Humbug Creek Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  RSA238745  Hieracium horridum Frederick W. Oettinger 1967-8-14 268 Siskiyou English Peak Look-out. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  UC1408806  Hieracium triste Robert F. Thorne and Fred Oettinger 1969-8-10 38975 Siskiyou s slope of Mt. Shasta, Panther Creek Meadows; Mount Shasta National Forest 2194 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  HSC4860  Holodiscus discolor J. O. Sawyer 1968-7-9 407 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  HSC92533  Hordeum brachyantherum Jennifer Whipple 1976-7-24 1539 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA602817  Hordeum brachyantherum L. C. Wheeler 1934-6-26 2794 Siskiyou Cottonwoods Creek; Border of sunny creek; Siskiyou Mts., Mt. Diablo Mer. 838 Comment
  HSC2193  Hordeum brachyantherum subsp. brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mountains, N side White Mtn. 1768 Comment
  UCD85929  Hordeum murinum subsp. glaucum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3387 Siskiyou At Weed. Comment
  CHSC57449  Horkelia daucifolia L. P. Janeway 1984-6-22 870 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08/ 1645 Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  UC481096  Horkelia fusca subsp. parviflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  SBBG15762  Horkelia fusca var. parviflora D. Myrick 1961-6-20 286 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  CAS-BOT-BC536224  Horkelia fusca var. parviflora Ella Dales Cantelow 1939-6-10 2587 Siskiyou 17.6 miles SE of McCloud on road to Burney Comment
  RSA451563  Horkelia tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek 1341 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  CAS-BOT-BC539742  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou Siskiyou Co. at Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  CAS-BOT-BC539436  Horkelia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1797 Siskiyou Weed Comment
  CAS-BOT-BC201127  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Along the Sacramento a short distance below Shasta Springs. Between Shasta Retreat and Shasta Springs Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1949031  Hosackia pinnata Barbara Ertter with Julie Kierstead and Jim Nelson 1990-4-15 9355 Siskiyou MOrgon Meadows on E side of Mt Eddy ca 5 airmiles due W of Mt Shasta City Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  POM65392  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mtn. 1677 Comment
  HSC29246  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  RSA78829  Hydrophyllum occidentale P. A. Munz 1952-7-2 17907 Siskiyou Exposed stony ridge west of Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mountains. 1784 Comment
  UC618754  Hypericum anagalloides W. Bridge Cooke 1938-9-8 11654 Siskiyou Squaw Creek Heather Meadows and Panther Creek Heather Meadows Mt. Shasta, Squaw Creek Heather Meadows, Panther Creek Heath Comment
  JEPS66830  Hypericum formosum var. scouleri Geo. D. Butler 1908-7-21 5 Siskiyou Oro Fino 762 Comment
  CAS-BOT-BC401284  Hypericum perforatum Carl B. Wolf 1927-8-26 1094 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC206834  Iliamna bakeri Dean Wm. Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9244 Siskiyou Hambone Island region, about 100 m south of Lava Tank, extreme northeastern portion of County. Comment
  HSC58931  Ipomopsis aggregata Marvin Butler 1971-8-13 126 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1555 Comment
  JEPS802  Ipomopsis aggregata W. L. Jepson 1937-7-30 18566 Siskiyou Poker Flat Siskiyou Mtns (headwaters of Indian Creek) 1584 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  UCD118361  Ipomopsis aggregata subsp. aggregata K. M. Meyer; A. Townesmith 2007-7-29 172 Siskiyou Shasta-Trinity National Forest, 0.3 mile on 40N25 Road, off Siskiyou County Road, A10/Everitt Memorial Highway. 1805 Comment
  CHSC63609  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6463 Siskiyou FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud. Edge of road. 1584 Comment
  JEPS87632  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca. 5 mi. (air) n.w. McCloud (FS 31 0.6 mi. e. of Ski Park Hwy. (FS 88)) 1584 Comment
  RSA469553  Ipomopsis aggregata subsp. formosissima L. C. Wheeler 1934-7-3 2857 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 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
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  SD88327  Iris missouriensis Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  HSC36751  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  RSA184739  Isatis tinctoria Gilbert Muth 1966-7-5 349 Siskiyou Lovers Camp, Marble Valley, Marble Mtns. 1250 Comment
  RSA299460  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  UC166110  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UC1408843  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou boreal meadow above Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  UC134911  Iva axillaris subsp. robustior E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  JEPS121621  Juncus balticus Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CHSC105444  Juncus ensifolius Peter F. Zika 2008-7-17 23928 Siskiyou Klamath Range. E side of I-5, near Exit 732, Dunsmuir. 770 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  CAS-BOT-BC127616  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC22472  Juncus mertensianus J. O. Sawyer 1968-7-9 440 Siskiyou W of Little Duck Lake 1936 Comment
  HSC60830  Juncus mertensianus Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS5819  Juncus nevadensis W. L. Jepson 1940-7-3 20114 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  UC1265301  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  HSC78392  Juncus nevadensis var. nevadensis L. P. Janeway 1983-9-11 685 Siskiyou Poker Flat 1524 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  CAS-BOT-BC80909  Juniperus Mary Boyd Lichens 1948-5-1 s.n. Siskiyou near Walker, along Klamath River 579 Comment
  CAS-BOT-BC80906  Juniperus Miss Herzinger 1903-11-1 s.n. Siskiyou Scott's Creek Valley Comment
  CAS-BOT-BC81139  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  JEPS84290  Juniperus communis L. R. Heckard with J. Hickman et al. 1986-7-17 6543 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UC618965  Juniperus communis var. saxatilis H. A. Jensen 1933-10-5 360 Siskiyou slope of Shastina Dunsmuir Quadrangle, Shastina Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 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
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 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
  SEINET10826625  Juniperus occidentalis J. William Thompson 1936-7-8 Thompson 13156 Siskiyou Lava slopes of Lava Beds, National Monument. 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
  HSC91307  Kalmia polifolia Jennifer Whipple 1977-8-5 2172 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SEINET3108511  Kalmia polifolia Steve Selva, Robert Jensen 1974-8-25 48 Siskiyou Meadow at west end of Little Duck Lake. Comment
  CHSC602  Kalmia polifolia subsp. microphylla V. Holt 1932-7-10 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC246181  Keckiella lemmonii Wm. Bridge Cooke 1941-8-28 16228 Siskiyou On bluff above big Squaw Valley Creek Spring above McCloud, Mount Shasta 1524 Comment
  CAS-BOT-BC94868  Kelloggia galioides R. C. Wenk 2008-7-24 928 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road 1889 Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  HSC97687  Kelloggia galioides Thomas W. Nelson, Jane Nelson 2006-7-1 9446 Siskiyou Along FS Rd. 4319, Military Pass Rd., the Whaleback 1392 Comment
  JEPS82321  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake (Cook and Green Pass); above Lily Pad Lake, Cook and Green Pass 1828 Comment
  RSA238882  Kelloggia galioides Frederick W. Oettinger 1968-8-16 547 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SBBG15963  Kelloggia galioides D. Myrick 1961-6-22 317 Siskiyou Hwy 89 near McCloud 914 Comment
  UC138607  Kelloggia galioides Dr. E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  CAS-BOT-BC499657  Kopsiopsis strobilacea A. M. Vollmer; L. Beane 1951-6-2 80 Siskiyou Happy Camp, Klamath River HIghway Comment
  HSC76773  Kyhosia bolanderi K. T. Stillman 1976-8-7 371 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  HSC5895  Lactuca serriola R. C. Wunner 1965-8-14 415 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC726454  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's Comment
  UC585091  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1983 Siskiyou about 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  UC673248  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2897 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  RSA237895  Lathyrus nevadensis subsp. nevadensis Frederick W. Oettinger 1969-8-1 1136 Siskiyou Between English Lake and Wire Grass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC45166  Lathyrus nevadensis var. nevadensis J. O. Sawyer, E. Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  RSA659519  Ledum glandulosum Gary D. Wallace 1990-7-1 2956 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  JEPS54272  Lepidium perfoliatum L. T. Dempster 1934-8-4 1006 Siskiyou Yreka Comment
  CDA3822  Lepidium perfoliatum T. C. Fuller 1958-6-19 1825 Siskiyou Railroad yard, Montague. 0 Comment
  SBBG30497  Leptosiphon ciliatus D. Myrick 1968-6-25 2018 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC36772  Leptosiphon harknessii J. P. Smith 1974-5-25 7416 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC30426  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  JEPS20622  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  SDSU4719  Lessingia nemaclada D. F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  CAS-BOT-BC58263  Leucothoe davisiae John Thomas Howell 1937-7-24 13387 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SEINET2030161 Image available Leucothoe davisiae Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC229451  Lewisia cotyledon Stuart K. Harris 1960-6-28 21601 Siskiyou Outlet Taylor Lake Comment
  HSC4439  Lewisia cotyledon William J. Ferlatte 1966-7-7 207 Siskiyou Caribou Basin 1982 Comment
  HSC27348  Lewisia leeana J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5698 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS105026  Lewisia leeana Dean W. Taylor 1996-7-25 15868 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC444088  Lewisia leeana Geo. D. Butler No date on label 1687 Siskiyou Unspecified Comment
  UC1949212  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou W of small streamlet; N-facing slope; N side of ridge W of Parks Creek trailhead (Pacific Crest Trail crossing of Rt 17); ca 8 airmiles SW of Weed Comment
  RSA591654  Leymus condensatus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  RSA237214  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Forest at Base Camp Meadow midway down Diamond Lake-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  HSC60155  Lilium kelleyanum D. L. Goforth 1979-7-7 226 Siskiyou Klamath National Forest, Condrey Mtn. Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509386  Lilium kelleyanum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house. 1341 Comment
  UC164415  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  SEINET10813742 Image available Lilium pardalinum Lawrence Beane, Vollmer, Albert Michael 1954-7-16 Beane 1266 Siskiyou Siskiyou Mountains near Oregon border west of U.S. Highway 99 Comment
  HSC66400  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC78955  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-13 534 Siskiyou Along S Fork of Indian Creek 1494 Comment
  UCR93359  Lilium pardalinum subsp. wigginsii Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou N of Happy Camp, opposite 7121 Indian Creek Road, off Calif. Hwy 96 Comment
  UC3744  Lilium rubescens State Survey 1800-1 1435 Siskiyou Strawberry Valley; Mount Shasta 1219 Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  SEINET882374 Image available Lilium wigginsii A. M. Vollmer, L. Beane 1954-1 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  CDA40059  Linanthus bolanderi F. D. Horn 1978-4-9 s.n. Siskiyou Horn Ranch, Etna. 0 Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 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
  HSC4866  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-25 335 Siskiyou 1646 Comment
  CAS-BOT-BC240391  Linnaea borealis subsp. longiflora David D. Keck 1938-8-6 4823 Siskiyou At Del Norte Co. line, Poker Flat, Siskiyou Mts., south of summit 1340 Comment
  RSA0087558  Linnaea borealis subsp. longiflora Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1219 Comment
  UC139413  Linnaea borealis var. longiflora A. A. Heller 1905-6-17 8056 Siskiyou near Sisson; near Sisson Comment
  HSC29310  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Marble Mtn. Wilderness Area, W side of Hancock Lake just N of the campsite area 1936 Comment
  HSC4906  Listera caurina J. O. Sawyer 1968-7-2 370 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC61926  Listera caurina Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA604379  Lithocarpus densiflorus var. densiflorus Louis C. Wheeler 1959-7-26 7607 Siskiyou Marble Mountains: Offield Mountain, north of Somes Bar. Comment
  CAS-BOT-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  JEPS47687  Lithophragma glabrum J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  JEPS82474  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area, Marble Valley Meadow 1792 Comment
  RSA52462  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley. 787 Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CHSC105872  Lithospermum ruderale Julie Kierstead Nelson 2008-7-12 2008 -005 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  JEPS16108  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  RSA60802  Lomatium nevadense I. L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC1037477  Lomatium nudicaule Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n Etna (on the middle valley road, Klamath Mountains); Klamath Mountains 883 Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
Read comments
Apr 26 2007
  JEPS109788  Lomatium tracyi Dean W. Taylor 2002-7-27 18282 b Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  HSC42904  Lonicera ciliosa J. O. Sawyer, Ken Stillman 1976-5-28 2728 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  UC630399  Lonicera conjugialis Annetta Carter 1939-8-21 1478 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake); Salmon Mountains 2072 Comment
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA45326  Lonicera interrupta Dorothy Parker 1947-6-21 198 Siskiyou North slope of Gazelle Mt. Comment
  SEINET3154558  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  JEPS27163  Lotus crassifolius var. crassifolius Lauramay T. Dempster 1961-7-1 1834 Siskiyou near White Mountain Comment
  UC637052  Lotus crassifolius var. crassifolius Edward Lee 1934-8-13 1059 Siskiyou Happy Camp-Waldo (Oregon) Road, watershed of West Branch of Indian Creek Klamath National Forest 1219 Comment
  CDA27213  Lotus humistratus D. Osterhandt, Don Shaw 1978-5-18 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS87894  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou ca 0.5 mi ne Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Rd (to Mt. Shasta)); Gumboot Creek 1783 Comment
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  POM18964  Lotus unifoliolatus E. B. Copeland 1903-7-6 3495 Siskiyou Hornbrook. Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  UCD113635  Luetkea pectinata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  CAS-BOT-BC8288  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou above Shasta Springs Comment
  POM252844  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou On the north outskirts of Weed. Comment
  CHSC67492  Lupinus albifrons James D. Jokerst 1992-7-30 3422 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC157012  Lupinus albifrons var. collinus Geo. D. Butler May 2 1910-May 16 1910 1268 Siskiyou Yreka Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC215175  Lupinus croceus M. L. Conrad; LeDoux; Kenney 1973-6-2 6981 Siskiyou 6 miles SW of Callahan 1524 Comment
  CHSC71582  Lupinus croceus var. croceus Vernon H. Oswald; Lowell Ahart 1998-8-3 9434 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  RSA94035  Lupinus croceus var. pilosellus R. C. Barneby 1954-5-17 11533 Siskiyou Scott Mountains, 5 miles above Callahan 1250 Comment
  UC454939  Lupinus latifolius var. viridifolius I. J. Condit 1911-7-7 Siskiyou Dunsmuir Comment
  UCSB15827  Lupinus lepidus var. sellulus 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  JEPS83250  Lupinus luteolus W. L. Jepson 1940-6-22 19964 Siskiyou 1 mi e Hilt (Hilt to Hawkinsville, Quarantine Station); e of Hilt 914 Comment
  CHSC26297  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
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  UC144513 Image available Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  RSA215652  Lupinus polyphyllus subsp. polyphyllus Gilbert Muth 1969-8-11 1366 Siskiyou On slope beneath high point of ridge south of Boulder Peak. 2317 Comment
  UC642537  Lupinus polyphyllus var. burkei W. Bridge Cooke 1939-6-23 13514 Siskiyou upper end Bear Springs Meadows (Mount Shasta); Mount Shasta Comment
  UC454945  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
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Nov 3 2007
  SEINET10485918  Lupinus sellulus var. lobbii H. Dearing, M. Dearing 1938-6-28 Dearing 2180 Siskiyou Flower bluish. Location mccloud. Comment
  HSC92866  Luzula comosa Jennifer Whipple 1976-7-8 1353 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  HSC74814  Lycopus americanus J. P. Smith 1978-7-1 9994 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  RSA78944  Machaeranthera canescens var. shastensis E. K. Balls, Percy C. Everett 1952-10-12 18171 Siskiyou 1.8 miles south of junction along road to Medicine Lake, from Indian Well Ranger Station 1402 Comment
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  UC223696  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou mouth of Doggett Creek; Klamath River Comment
  CAS-BOT-BC344002  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou Junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River) Comment
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  SBBG30618  Madia gracilis D. Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  POM362197  Madia madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along road west of Sawyers Bar 610 Comment
  RSA126302  Madia madioides I. L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  POM30810  Madia minima Geo D. Butler 1909-4-25 620 Siskiyou Quartz Valley. Comment
  UCD139052  Maianthemum racemosum J. M. Tucker; L. K. Mann 1963-7-7 3720 Siskiyou ca. 1/4 mile north of Paradise Lake, east side of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  HSC18911  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-10 472 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC58936  Maianthemum racemosum subsp. amplexicaule Marvin Butler 1971-7-5 15 Siskiyou Near El Capitan Lake 1738 Comment
  HSC68441  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-4 1388 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS93957  Malva neglecta Vernon H. Oswald and Lowell Ahart 1998-9-16 9643 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge) 1243 Comment
  UCR143037  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mtns., Shasta River, 2 miles below Yreka Creek 671 Comment
  CAS-BOT-BC271211  Melica bulbosa C. L. Hitchcock; J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC31094  Melica californica Frederick W. Oettinger 1968-8-8 451 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Crapo Meadow. 2165 Comment
  HSC92632  Melica fugax Jennifer Whipple 1978-7-20 2357 Siskiyou SE facing slopes draining into the N fork of the Sacramento River. 2378 Comment
  UCD77853  Melica harfordii Robert E. Preston 2001-7-21 1718 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  HSC58893  Melica subulata Marvin Butler 1971-7-21 117 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  RSA403532  Melica subulata M. B. Dunkle 1945-1 9261 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA45309  Mentha canadensis Dorothy Parker 1946-9-3 s.n. Siskiyou Plowman s Valley 1189 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
  UC164047  Mentzelia laevicaulis var. laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou near Yreka Comment
  CAS-BOT-BC428977  Micranthes ferruginea K. T. Stillman 1976-7-31 351 Siskiyou Marble Mountain Wilderness Area. East-facing ridge north from Black Mt. towards Jump off point. 2103 Comment
  UCD102748  Micranthes fragosa John M. Tucker 1963-7-7 3727 Siskiyou Vicinity of Paradise Lake, at the east base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC429154  Micranthes odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  SEINET6167436  Micranthes oregana G. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC349368  Microseris nutans Alice Eastwood 1923-5-27 11953 Siskiyou Shasta Springs Comment
  CAS-BOT-BC349371  Microseris nutans L. E. Smith 1913-5-12 204 Siskiyou Dunsmuir Comment
  SBBG8718  Microseris nutans H. and M. Dearing 1939-6-30 3752 Siskiyou Etna 1219 Comment
  POM229878  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  HSC40420  Mimulus cardinalis J. O. Sawyer 1973-7-16 2538 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  UC705715  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi down river from mouth Beaver Creek (n side of river); Klamath River Comment
  SEINET12270024  Mimulus guttatus H. P. Chandler 1901-1 1694 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  UC2046560  Mimulus layneae William J. Ferlatte 1974-7-14 1521 Siskiyou lower slope of Grouse Ridge Comment
  JEPS95062  Mimulus mephiticus Vernon Oswald and Lowell Ahart 1997-7-28 8774 Siskiyou 16 mi. s. Medicine Lake (Forest Rte. 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte)) 1365 Comment
  HSC44938  Mimulus moschatus J. O. Sawyer 1978-6-19 3244 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  SEINET12336912  Mimulus nanus var. jepsonii D. M. Thompson 1988-1 932 Siskiyou 8 mi E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Rd & Hwy 89, opposite Hwy 89 1100 Comment
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  JEPS87078 Image available Mimulus nanus var. nanus J. Kierstead 1991-6-6 91 -55 Siskiyou Mt. Shasta Ranger Dist. north side of Mt. Shasta, north of Hwy. 97, 2 mi SW of Haystack Rock. Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC803949  Mimulus primuloides subsp. linearifolius G. L. Stebbins Jr., P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4023 Siskiyou 10 mi w Weed (above Stewart Springs); Park's Creek 1219 Comment
  JEPS84009  Mimulus primuloides subsp. linearifolius L. R. Heckard with J. Hickman et al. 1986-7-16 6445 Siskiyou se Red Butte (ca. 5 mi n of town of Seiad Valley); Lily Pad Lake 1770 Comment
  RSA237542  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1967-8-5 241 Siskiyou About 0.5 mile north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1031296  Mimulus tilingii Francis W. Pennell 1940-7-17 26181 Siskiyou above Ruffy Lake (w of Etna); Salmon Mountains 1981 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  POM101321  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou Yreka. Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC77109  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 112 Siskiyou Trail S of Paradise Lake Comment
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  CAS-BOT-BC229612  Mirabilis greenei L. E. Smith 1912-8-1 s.n. Siskiyou Hornbrooke Comment
  NY342052  Mirabilis greenei E. L. Greene 1876-1 s.n. Siskiyou Comment
  UC673160  Mirabilis greenei Lincoln Constance and Reed C. Rollins 1942-5-14 2929 Siskiyou 4 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC229613  Mirabilis greenei Dorothy Parker 1950-6-5 449 Siskiyou On the W side of Scott Valley 914 Comment
  RSA276572  Mirabilis greenei George Pilz 1973-5-25 995 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  HSC29441  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; along the old trail between Hancock Lake and Diamond Lake 1974 Comment
  HSC86538  Mitella pentandra D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta, Squaw Valley, E of Red Butte along Squaw Creek 1982 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  RSA120862  Monardella odoratissima H. K. Wagnon 1957-8-11 1702 Siskiyou East slope of Mt. Shasta ca. 1 mile west of Military Pass Road, along road to Brewer Creek Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UC2035947  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC222036  Monardella odoratissima subsp. glauca Doris K. Kildale 1928-7-4 5498 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  HSC29323  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou Marble Mtn. Wilderness Area, .1 mi. SSE of Tom Taylor Cabin 2027 Comment
  JEPS11899  Monardella odoratissima subsp. pallida Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4785 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forest); Del Norte - Sikiyou Co. Line 1554 Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 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
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  HSC30571  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Marble Mountains Wilderness Area. Trail between Diamond Lake and Hancock Lake 2012 Comment
  HSC34127  Monotropa hypopitys J. O. Sawyer 1969-9-18 2035 Siskiyou Below Statue Lake 2165 Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  CDA23975  Montia dichotoma Vernon H. Oswald & Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  POM101986  Montia fontana Geo. D. Butler 1909-4-4 679 Siskiyou Yreka Comment
  HSC33979  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  JEPS121614  Muhlenbergia andina Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  RSA211319  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake Basin. Trinity Alps. 1829 Comment
  UC1059006  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou banks of mt. stream on lower slopes White Ridge; Canyon of the South Fork of the Sacramento River 1371 Comment
  RSA273301  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou West of Macdoel. Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  SEINET10599967  Muhlenbergia jonesii A. Arthur Heller 1922-7-16 Heller 13719 Siskiyou Sandy soil near Pilgrim Creek forest nursery back of Mt. Shasta in the yellow pine belt. Comment
  HSC100793  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou N side of water ditch, ~30 yd. S of the Shasta River, ~80 yd. W of the pipe across the river, ~200 yd. E of East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  RSA24228  Nama lobbii Carl B. Wolf 1940-12-13 9802 Siskiyou Mt. Shasta s lower slopes. 1.5 miles northeast of Mt. Shasta City along power line road. 1220 Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  UC163989  Navarretia intertexta Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  CHSC86453  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 70 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC23551  Nemophila parviflora var. austiniae J. O. Sawyer 1970-7-3 2315 Siskiyou 1402 Comment
  RSA47647  Noccaea Roxana S. Ferris, Laura Lorraine 11714 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC60583  Noccaea fendleri subsp. glauca John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53446 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  HSC81568  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6075 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC34115  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-7-15 2425 Siskiyou Along Red Rock Valley Creek 1585 Comment
  HSC91013  Noccaea fendleri subsp. glauca Jennifer Whipple 1977-7-21 2024 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  CAS-BOT-BC349923  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 mi. NW. Schonchin Butte, (along road) Lava Beds Nat'l Monument 1402 Comment
  UC630382  Nothochelone nemorosa Annetta Carter 1939-8-21 1468 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake, Salmon Mountains); Salmon Mountains, above se end of Taylor Lake 2164 Comment
  HSC68097  Notholithocarpus densiflorus J. P. Smith, Steve Selva 1970-7-15 4353 Siskiyou Klamath National Forest, road to Happy Camp. 732 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
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  CAS-BOT-BC140350  Oemleria cerasiformis A. M. Vollmer; L. Beane 1951-6-2 88 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  HSC60899  Oreostemma alpigenum var. andersonii Al Hobart Siskiyou Black Butte Comment
  SEINET5708887 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  HSC19208  Orthilia secunda J. O. Sawyer 1968-9-28 748 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS83863  Orthilia secunda Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. Vicinity of Cook and Green Pass 1463 Comment
  UC933403  Orthilia secunda Annie M. Alexander and Louise Kellogg 1948-9-8 5604 Siskiyou Top of grade beteween Sawyers Bar and Etna 1706 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
  RSA120314  Orthocarpus cuspidatus subsp. copelandii S. S. Tillett 1956-7-9 671 Siskiyou Along ridge running n from nw side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos line, ca. 8 mi se of Callahan. 1951 Comment
  RSA237571  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 -b Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1114764  Orthocarpus imbricatus W. Bridge Cooke 1956-7-19 30309 Siskiyou below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  UC412592  Osmorhiza berteroi Milo S. Baker 1898-8-1 505 Siskiyou on bluff sw Medicine Lake Comment
  HSC22167  Osmorhiza berteroi J. O. Sawyer 1969-7-1 965 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 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
  HSC69284  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 1953 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  HSC2365  Oxyria digyna William J. Ferlatte 1966-8-19 442 Siskiyou Head of Kidd Creek 2287 Comment
  RSA215635  Oxyria digyna Gilbert Muth 1969-8-7 1225 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  UC618683  Paeonia brownii W. Bridge Cooke 1938-7-15 11261 Siskiyou Wagon Camp meaows Mount Shasta, Wagon Camp (upper end and around sides) Comment
  CAS-BOT-BC253770  Panicum capillare Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  JEPS95662  Papaver rhoeas Vernon H. Oswald and L. Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle: T42N R6W Sect. 3, 2800 ft, agricultural area 853 Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  RSA150581  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway 915 Comment
  CHSC86258  Parnassia cirrata Martin J. Lenz 2003-9-19 42 Siskiyou Approx. 2000 ft. SW of Panorama Rd. underpass, Dunsmuir. UTM: Zone 10 559966E 4560726N. 779 Comment
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May 8 2007
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  CAS-BOT-BC175615  Parnassia palustris Doris K. Kildale 1928-8-19 6518 Siskiyou English head, head of North Fork of Salmon River Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  UC163985  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  JEPS124777 Image available Paxistima myrsinites Lynne C. Carter 1967-7-12 102 Siskiyou ca. 1/4 mile west of entrance to Fowler Campground. On rocky cliff above McCloud River. Comment
  CAS-BOT-BC266634  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  HSC96304  Pedicularis bracteosa var. flavida Gordon Leppig 1998-8-13 1005 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  JEPS80561  Pedicularis contorta Gilbert Muth 1965-8-6 180 Siskiyou backside of Black Mountain; , Marble Mountain Wilderness Area 2072 Comment
  SJSU6539  Pedicularis contorta R. W. Trivelpiece 1973-6-28 156 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  SEINET12270418  Pedicularis groenlandica H. P. Chandler 1901-1 1561 Siskiyou Ridges and Meadows near Marble Mtn 1829 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  JEPS83838  Pedicularis racemosa Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass; Siskiyou Mountains 1463 Comment
  POM15938  Pedicularis racemosa E. B. Copeland 1903-8-17 3904 Siskiyou Mt Eddy. 1463 Comment
  RSA12627  Pedicularis racemosa Carl B. Wolf 1934-7-5 5958 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  UCD123293  Pedicularis racemosa K. M. Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off Hwy 97. 1607 Comment
  CAS-BOT-BC67678  Pellaea brachyptera Lincoln Constance; Reed C. Rollins 1942-5-14 2933 Siskiyou Klamath - Siskiyou Region - Shasta River 6 miles north of Yreka. 762 Comment
  SEINET6429241  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns; West Fork Cottonwood Creek 1238 Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  CDA17133  Penstemon anguineus G. F. Hrusa 2001-6-6 15847 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SBBG22539  Penstemon anguineus C. B. Hardham 1961-6-30 7999 Siskiyou near Mud Spring Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) Comment
  CAS-BOT-BC27115  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Indian Creek Comment
  RSA425614  Penstemon azureus Louis C. Wheeler 1934-6-21 2746 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1509 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  CAS-BOT-BC265386  Penstemon davidsonii var. davidsonii Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  HSC68510  Penstemon deustus Maralyn A. Renner 1980-6-8 825 Siskiyou Slopes N of Moffett Creek 945 Comment
  HSC19130  Penstemon deustus J. O. Sawyer 1969-6-12 871 Siskiyou SE upper slope above Sugar Creek 1707 Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  UC886951  Penstemon deustus var. suffrutescens Lewis S. Rose 1940-6-14 40586 Siskiyou Indian Well Lava Beds National Monument, Indian Well 1524 Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  UC690306  Penstemon gracilentus Elmer I. Applegate 1923-8-18 3856 Siskiyou w slope of Redshale Mountains , w slope of Redshale Mountain (Medicine Lake region) 2133 Comment
  UCD124177  Penstemon gracilentus Jack Major 1961-7-14 653 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  RSA34969  Penstemon gracilentus Roxana S. Ferris, Laura Lorraine 1941-8-11 10507 Siskiyou 3 miles from Medicine Lake on road to Modoc Lava Beds National Monument. Shasta National Forest. Comment
  UC642560  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1939-7-13 13670 Siskiyou Panther Creek Meadows Mount Shasta, Panther Creek Meadows Comment
  CAS-BOT-BC265279  Penstemon humilis subsp. humilis Elmer I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS11380  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  JEPS44098  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-17 35178 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1524 Comment
  NY604580  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5176 Siskiyou 9 miles south of Macdoel, on U.S. 97, between Dorris and Weed. 1463.0 Comment
  SFV17483  Penstemon laetus var. sagittatus P. Wilson 1998-7-21 3541 dup. Siskiyou Lower slopes of Mount Shasta. Everett Memorial Highway. 1646 Comment
  SJSU6061  Penstemon laetus var. sagittatus R. W. Trivelpiece 1971-6-28 40 Siskiyou N of Alder Cr divide between whaleback & Haight Mt c. 15 mi N of Mt Shasta 1524 Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N of Weed. Comment
  SEINET10547609  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 Holmgren 2678 Siskiyou Us 97, shasta valley, 4 mi n of weed, t42n, r4w, sec 19, in scrub in sandy soil. 1158 Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  CAS-BOT-BC239344  Penstemon newberryi var. berryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  CHSC1880  Penstemon parvulus V. Holt 1943-7-10 Siskiyou Marble mountains. 1828 Comment
  UC609350  Penstemon parvulus Eleanor Burks Hart 1938-8-15 914 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 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
  HSC91108  Penstemon parvulus Jennifer Whipple 1976-6-23 1108 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  RSA238767  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou west side of Red Hill near Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  SEINET10865390  Penstemon parvulus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1749 Siskiyou Rocky knoll, 2 1/2 mi nw of dry lake lookout, summit of the siskiyou mtns. Comment
  UC1408794  Penstemon procerus Robert F. Thorne and Fred Oettinger 1969-8-10 39006 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry, sunny volcanic slopes above ski-lodge) 2377 Comment
  HSC19134  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-10 1285 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CAS-BOT-BC94418  Penstemon roezlii R. C. Wenk 2005-7-15 234 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  SEINET5329341 Image available Penstemon roezlii G. Butler 1910-6-9 1579 Siskiyou Foothills of the Goosenest Mts. Comment
  POM42982  Penstemon roezlii Geo. D. Butler 1910-6-19 1579 Siskiyou Goosenest foothills. 1524 Comment
  RSA29715  Penstemon roezlii Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  HSC61151  Penstemon rupicola Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  POM43271  Penstemon shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills. 1524 Comment
  NY661065  Penstemon speciosus W. B. Cooke 1940-6-7 15102 Siskiyou Along the Pacific Highway near Black Butte 4000 Comment
  RSA401885  Penstemon speciosus E. E. Stanford 1930-6-15 1591 Siskiyou Near Shasta City. 1098 Comment
  SD60176  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka in the yellow pine belt Comment
  SEINET10950522  Penstemon speciosus A. Arthur Heller 1916-6-23 Heller 12424 Siskiyou Open places in the yellow pine-belt in coarse sandy soil near Black Butte north of Sisson. 1128 Comment
  UC1090395  Perideridia bolanderi subsp. bolanderi Milo S. Baker 1957-6-16 13158 Siskiyou trip to Scott Mt. aftern turn-off near Callahan; North Coast Ranges Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  HSC76731  Perideridia oregana K. T. Stillman 1976-8-7 391 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC413738  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  RSA78825  Phacelia corymbosa P. A. Munz 1952-7-2 17903 Siskiyou Baldy Mountain, six air line miles west of Happy Camp, Siskiyou Mountains. 1738 Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  HSC67602  Phacelia heterophylla J. P. Smith, Steve Selva 1970-8-8 4572 Siskiyou Lava Beds National Monument Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  UC60951  Phacelia heterophylla subsp. virgata Geo. B. Grant September 1902 5174 Siskiyou Sisson Mt. Shasta 914 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC536685  Phacelia linearis D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  RSA238766  Phacelia mutabilis Frederick W. Oettinger 1967-8-13 258 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC75118  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-16 10127 Siskiyou Klamath National Forest, Rd. to Carmen Lake, .2 mi. from its jct. with Hwy. 3 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  RSA74782  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1426020  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou base of cliffs sw Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA166761  Phacelia procera H. Dearing, M. Dearing 1939-7-1 3777 Siskiyou Salmon Mts. 1829 Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS95826  Philadelphus lewisii Vernon H. Oswald and L. Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  SEINET10657448  Phleum alpinum A. Arthur Heller 1922-7-15 Heller 13710 Siskiyou Damp meadow at Medicine Lake in the Canadian zone 2134 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  UC643264  Phlox caespitosa unknown 1940-6-6 15050 Siskiyou along the Castle Lake Road Comment
  CAS-BOT-BC383122  Phlox diffusa Andrew Townesmith; Karen M. Meyer 2007-7-30 868 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  POM258057  Phlox diffusa subsp. diffusa C. L. Hitchcock, J. S. Martin 1939-7-7 5274 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  RSA68854  Phlox diffusa subsp. diffusa A. E. Culbertson 1943-6-26 102 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  HSC44615  Phlox speciosa subsp. occidentalis Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  POM75052  Phlox speciosa subsp. occidentalis Geo D. Butler 1910-4-15 1175 Siskiyou Yreka. Comment
  POM75065  Phlox speciosa subsp. occidentalis Geo D. Butler 1909-4-13 650 Siskiyou Near Yreka. Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC758  Phyllodoce empetriformis William J. Ferlatte 1966-7-7 204 Siskiyou Caribou Basin 1982 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  LA25854  Phyllodoce empetriformis H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  RSA215631  Phyllodoce empetriformis Gilbert Muth 1969-8-10 1324 Siskiyou Ridge west of Boulder Peak. 2287 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  RSA186830  Physalis virginiana var. sonorae T. C. Fuller 1966-10-6 15246 Siskiyou Siskiyou County: Clement ranch, 5 miles N of Montague Comment
  HSC82286  Physaria occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4807 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  RSA537377  Physocarpus capitatus Walter Wisura, J. Romero 1991-10-17 4596 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CAS-BOT-BC73426  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon Rvr.), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mts 1615 Comment
  CAS-BOT-BC78160  Picea breweriana Peter M. Bennett s.n. Siskiyou head of Know-Nothing Creek, Salmon Mts. near boundary of Siskiyou + Trinity Co. 2133 Comment
  CAS-BOT-BC78167  Picea breweriana Doris K. Kildale 1928-8-19 6561 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  HSC19107  Picea breweriana J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC29672  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Marble Mtn. Wilderness Area, cliffs above Hell Hole near Hancock Lake 1936 Comment
  JEPS46723  Picea breweriana W. L. Jepson 1907-7-10 2869 Siskiyou 6 mi w Elbow Camp; Klamath Range Comment
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Nov 12 2011
  UC1318222  Picea breweriana Alan Bell 1963-8-17 Siskiyou on slope sw Log Lake (10 deg e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountains 1965 Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  CAS-BOT-BC73388  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte. 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
  UC1045296  Pinus albicaulis W. B. Cooke 1940-8-8 15454 Siskiyou on the ridge e Horse Camp; Mount Shasta 2590 Comment
  CAS-BOT-BC78321  Pinus attenuata Doris K. Kildale 1929-4-29 7480 Siskiyou Cecilville Comment
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  LA86572  Pinus balfouriana J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3769 Siskiyou Marble Mountain Wilderness Area, SW ridge of Black Mountain (Black Marble Mountain) 2133 Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  SD136380  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou west slope above Kangaroo Lake, Scott Mountains 2100 Comment
  HSC67814  Pinus ponderosa J. O. Sawyer, J. Cole 1980-7-20 3789 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CAS-BOT-BC72817  Pinus sabiniana Frank Callahan 2006-9-1 s.n. Siskiyou Forks of Salmon 7.5', south fork 381 Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  SEINET13365287  Plagiobothrys bracteatus G. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  RSA610188  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS69749  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC78002  Plagiobothrys hispidus M. K. Curran 1888-7-1 Siskiyou Sisson's Comment
  SD61055  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou 3.7 mi. so. Of no. entrance to Klamouth Nat. Forest on #97. 1584 Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SBBG25935  Platanthera dilatata var. leucostachys D. Myrick 1966-8-13 1554 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC58910  Platanthera sparsiflora Marvin Butler 1971-7-29 237 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  RSA382919  Platanthera sparsiflora Louis C. Wheeler 1934-8-10 3092 Siskiyou Siskiyou Mountains, Jaynes Canyon. Mt. Diablo Mer 1372 Comment
  CHSC32925  Plectritis congesta James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6519 Siskiyou Scott Bar along the Scott River. Comment
  HSC36768  Plectritis macrocera J. P. Smith 1974-5-25 7412 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC416765  Plectritis macrocera W. T. Mooney April 1903 Siskiyou Yreka Comment
  HSC63297  Pleuricospora fimbriolata M. A. Baker 1979-6-28 1064 Siskiyou Marble Mountain Wilderness. 0.5 km. N and slightly E of Green Granite Lake. 1500 Comment
  CAS-BOT-BC261038  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 1981 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  RSA238336  Poa bolanderi Frederick W. Oettinger 1968-9-7 759 Siskiyou On hillside going down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  UCD90541  Poa bolanderi Francia Chisaki; Helen Sharsmith 1959-8-20 4733 Siskiyou on Carrigher's Summit. Divide between Scott River and East Fork Salmon River. 1981 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  RSA239031  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA239035  Poa secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou west-northwest of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC25424  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5666 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC63243  Poa secunda subsp. secunda M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  HSC77126  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 178 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC67787  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3755 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD37094  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  JEPS121606  Podagrostis thurberiana Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC230031  Polemonium carneum F. M. A. 1894-7-1 s.n. Siskiyou Siskiyou Mountains near Siskiyou 1524 Comment
  CAS-BOT-BC231359  Polemonium pulcherrimum Wm. Bridge Cooke 1940-7-26 15381 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline Comment
  SBBG112732  Polemonium pulcherrimum var. pilosum E. White 1998-8-26 698 -2 Siskiyou near Helen Lake, Mt Shasta; T41N, R3W, S20, NE/4 of NE/4 3169 Comment
  HSC41813  Polemonium pulcherrimum var. shastense Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC74172  Polyctenium fremontii H. D. Thiers 1969-5-5 23307 Siskiyou Red Rock Valley, north of Mount Shasta off Highway 97 between Weed and Dorris. Comment
  HSC67490  Polygala californica J. P. Smith, Steve Selva 1970-6-14 3889 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  UC454757  Polygala cornuta var. cornuta I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC1192332  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-25 8285 Siskiyou Tule Lake; w side Comment
  SEINET8463926  Polygonum aubertii D. W. Taylor 2001-8-27 17902 Siskiyou Town of Week, on far Western end of town between old highway to Yreka and present-day Interstate 5 1036 Comment
  UC850082  Polygonum davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC95027  Polygonum davisiae R. C. Wenk 2005-7-15 218 Siskiyou Trinity Alps, above S Fork of the Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  SEINET3160402  Polygonum davisiae M. S. Baker sn Siskiyou Mt. Shasta; Ash Creek above Warren & Anderson's Mill Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  UC402691  Polygonum douglasii subsp. douglasii Milo S. Baker 1898-8-1 506 Siskiyou on bluff sw Medicine Lake Comment
  UC1540158  Polygonum douglasii subsp. spergulariiforme Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; small vernal depression in indurate lava flow 1304 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UCR30822  Polygonum douglasii subsp. spergulariiforme John C. Roos 1948-9-1 3941 Siskiyou Near Fort Jones 854 Comment
  UCR64596  Polygonum douglasii subsp. spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mtns 1006 Comment
  RSA0005197  Polygonum greenei Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  UC375150  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou along creek near Yreka Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  UCR37850  Polygonum phytolaccifolium K. T. Stillman 1976-6-25 79 Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 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
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  SEINET3404054 Image available Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou Horse Camp, Mt. Shasta Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  CAS-BOT-BC421086  Polygonum spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UCD69129  Polystichum imbricans D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-14 s.n. Siskiyou Cecilville-Yoakumville. Cecilville Road. Klamath National Forest. Perennial plant communities on rocky slopes. 670 Comment
  SBBG27542  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou N side of White Mtn; Siskiyou Mtns 1767 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC79128  Polystichum lemmonii C. J. Thomas 1983-10-1 74 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  HSC19182  Polystichum lonchitis J. O. Sawyer 1968-7-2 352 Siskiyou Upper Drainage of Joe Creek 1677 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
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  JEPS80503  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail; Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  HSC90588  Potentilla cristae Jennifer Whipple 1976-7-1 1222 Siskiyou Wagon Creek drainage near Wagon Creek 2409 Comment
  UC454990  Potentilla gracilis var. fastigiata I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC540565  Potentilla gracilis var. fastigiata L. E. Smith 1914-6-24 721 Siskiyou Sisson Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  CAS-BOT-BC158528  Potentilla millefolia Mrs. Brandegee 1887-7-1 8074 Siskiyou Gazelle. At Edgewood, the first station south of Gazelle Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  CAS-BOT-BC158587  Prunus Alice Eastwood 1912-9-3 2081 Siskiyou North Fork, Sisson Comment
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158223  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158230  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Upper Camp, East side Saltum Mt. Comment
  POM257200  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  POM88101  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain 1220 Comment
  SBBG15938  Prunus emarginata D. Myrick 1961-6-21 311 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station on Klamath River 19 mi W of Hwy 99 1981 Comment
  UC1540007  Prunus emarginata M. Mitchell 1936-6-8 6 Siskiyou Lava Beds National Monument, Irish Bridge Irish Bridge; Lava Beds National Monument, Irish Bridge 1417 Comment
  UC166611  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  UC61666  Pseudognaphalium thermale Geo. B. Grant 1902-9-1 5075 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  UC1409285  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou ridge from Arrow Peak to King David Peak (English Lake Basin, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1935 Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  UC165990  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  JEPS94101  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  UC71481  Pteridium aquilinum var. pubescens W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mt. Shasta Comment
  HSC103036  Pteridium aquilinum var. pubescens J. P. Smith 2014-6-7 13894 Siskiyou Etna Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC1251647  Pteryxia terebinthina var. californica T. Call and V. Call 1964-6-22 2280 Siskiyou below lava flows northwest of Mt Shasta 1066 Comment
  CAS-BOT-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  RSA208916  Purshia tridentata var. tridentata Theadore H. Mortenson 1968-8-3 1525 Siskiyou Near McBride Springs Campground just off Hwy 99 on Everitt Memorial Hwy. 5 miles E of Mt Shasta City Comment
  RSA605983  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA0084311  Pyrola dentata Diana D. Jolles, Erik M. Beaston 2011-8-26 483 Siskiyou Klamath National Forest, Alcohol Crater. 2113 Comment
  RSA0080478  Pyrola dentata R. F. Thorne 1969-8-2 63391 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  RSA0080484  Pyrola dentata Marion Ownbey, Fred G. Meyer, Findley Ownbey 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC62715  Quercus chrysolepis C. Hart Merriam 1919-10-17 s.n. Siskiyou Sacramento Canyon, near Sisson Comment
  CAS-BOT-BC68646  Quercus chrysolepis Doris K. Kildale 1929-7-20 8748 Siskiyou Elk Lick, South Fork Indian Creek Comment
  UCD40475  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -5 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  UCSB26861  Quercus chrysolepis Broder, Richard 1964-9-25 Siskiyou Along U.S. Highway 97, 11 miles north of Weed 1158 Comment
  CAS-BOT-BC94654  Quercus garryana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  SACT002132  Quercus garryana Herbert Copeland 1936-6-21 Siskiyou roadside, small trees, abundant on arid hills Comment
  RSA237383  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-8 792 Siskiyou 0.1 mi due north of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SFV17716  Quercus garryana var. breweri J. M. Tucker 1972-8-8 4245 Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD14459  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  CAS-BOT-BC105472  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 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
  UCD47237  Quercus sadleriana Gilbert Jerome Muth; J. M. Tucker 1972-8-8 1796 Siskiyou Near Elk Peak, Siskiyou County, California. Scott Bar Quad. 110 mm from bottom margin, 0 mm from left margin. SLID No. 6935, Heb Acc. No. 00011251. 1828 Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  RSA82852  Quercus sadleriana J. M. Tucker, R. Tofsrud 1948-8-3 1779 -C Siskiyou Summit of Happy Camp - O'brien (Oregon) road. On Del Norte-Siskiyou county line. 1555 Comment
  RSA96709  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek road to Obrien, 20 1/2 miles northwest from Hwy 96 at Happy Camp. 1524 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  HSC99609  Quercus vacciniifolia G. L. Clifton, Griswold 1979-6-28 6136 Siskiyou Near Upper Devils Peak 1738 Comment
  UCD37090  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Siskiyou County, canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  UCD47447  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  UC70366  Ranunculus flammula Milo S. Baker 1898-8-1 511 Siskiyou Medicine Lake Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  UC375273  Ranunculus occidentalis Geo. D. Butler 1908-6-28 362 Siskiyou near Oro Fino Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  UCD96944  Ranunculus occidentalis J. P. Smith; Steve Selva 1970-6-16 4023 Siskiyou 4 miles from Calif. 3 on Road 8 to Sugar Creek. 1158 Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  HSC101842  Rhamnus ilicifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13179 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  UC637071  Rhamnus purshiana Edward Lee 1934-8-15 1124 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC109791  Rhodiola integrifolia subsp. integrifolia G. J. Muth 1969-8-8 1289 Siskiyou Gap Meadow, Boulder Peak Ridge. 2286 Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  HSC4876  Rhododendron columbianum J. O. Sawyer 1968-7-23 585 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  HSC58864  Rhododendron occidentale var. paludosum Marvin Butler 1971-7-16 145 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  JEPS94252  Rhus trilobata Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC92861  Ribes binominatum Jennifer Whipple 1978-6-5 2351 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108781  Ribes cereum William Bridge Cooke 1938-6-17 11032 Siskiyou Mount Shasta. Sisson Southern Trail. 1371 Comment
  HSC76887  Ribes cereum K. T. Stillman 1976-6-27 150 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC1540006  Ribes cereum M. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cave (close to road); Lava Beds National Monument 1402 Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  CAS-BOT-BC212491  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  CAS-BOT-BC219265  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  SEINET5339750  Ribes nevadense G. Butler 1910-7-12 1759 Siskiyou Dry ridge Shackleford Creek 1372 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  RSA0023154  Ribes nevadense var. glaucescens P. A. Munz 1952-7-2 17893 Siskiyou Rd. to Baldy Mt. NW of Happy Camp, Siskiyou Mts. 1524 Comment
  SFV1618  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  CAS-BOT-BC199995  Ribes roezlii var. cruentum Carl B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  HSC29414  Ribes sanguineum Frederick W. Oettinger, R. F. Thorne 1969-8-7 1280 Siskiyou SE of English Lake 1829 Comment
  JEPS49243  Ribes sanguineum Geo. D. Butler 1909-4-25 671 Siskiyou Quartz Valley Comment
  JEPS49247  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackelford Creek 1524 Comment
  UC154063  Ribes sanguineum Harley P. Chandler June 1901 1556 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC144513  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-7-2 5341 Siskiyou Salmon Summit nr [?] Home Creek trail 1981 Comment
  CAS-BOT-BC144512  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-8-18 6440 Siskiyou head of north fork of Salmon River at Finley Upper Camp Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC64674  Ribes viscosissimum J. O. Sawyer 1977-7-6 3033 Siskiyou South of Little Duck Lake 2134 Comment
  HSC76998  Ribes viscosissimum K. T. Stillman 1976-6-25 91 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA0020918  Ribes viscosissimum M. B. Dunkle 1944-7-18 9131 Siskiyou Siskiyou National Forest. 1890 Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  RSA120877  Rorippa curvisiliqua G. D. Barbe 1955-8-4 349 Siskiyou 0.5 mile N of Big Flat at the head of Coffee Creek, at Trinity - Siskiyou Co line. The Klamath Mtns. 1524 Comment
  UC637097  Rosa Annetta Carter 1934-8-13 705 Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian (at edge of dry creek) 1371 Comment
  CAS-BOT-BC147465  Rosa californica Doris K. Kildale 1929-6-25 8371 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  UC164064  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  CAS-BOT-BC146761  Rosa gymnocarpa Alice Eastwood 1923-5-20 11842 Siskiyou Shasta Springs Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  UC1483535  Rosa gymnocarpa John Palmer 1980-8-12 707 Siskiyou se Wards Gap; Klamath National Forest, Condry Mountain Quad. 1188 Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  HSC74836  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1978-7-3 10005 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  UC60895  Rosa woodsii var. ultramontana W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  UC1409344  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou w end, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  JEPS44737  Rubus leucodermis W. L. Jepson July, 1894 13880 Siskiyou near Sisson (foot of Black Butte (Muir Peak) = Sugar Loaf); Mt. Shasta, foot of Black Butte (Muir Peak) Comment
  CAS-BOT-BC147322  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  HSC27679  Rubus ursinus Carl W. Mize 1972-6-8 37 Siskiyou By Wooley Creek in rocks and sand 335 Comment
  HSC68414  Rubus ursinus Maralyn A. Renner 1980-7-4 1405 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  POM57582  Rudbeckia klamathensis E. B. Copeland 1903-9-8 3862 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC422228  Rumex acetosella Wm. Bridge Cooke 1938-8-21 11549 Siskiyou Mount Shasta. At Horse Camp. Comment
  SDSU11444  Sagittaria cuneata D. F. Howe 1972-7-8 4882 Siskiyou Grass Lake, 21 mies north of Weed on #97 1524 Comment
  RSA759838  Salix Robert F. Thorne 1969-8-2 63399 -b Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC1173609  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou at extreme head of W. Fork of Knownothing Creek (on ridge between Salmon and New Rivers); Rock Lake 1889 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC91344  Salix eastwoodiae Jennifer Whipple 1978-7-8 1378 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS80565  Salix eastwoodiae Gilbert Muth 1965-8-5 172 Siskiyou along trail behind Black Mt.; Marble Mt. Wilderness Area, Marble Valley 1975 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC1173604  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14396 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UCD110840  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  POM123883  Salix exigua L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River. 6 miles below Harnbrook. Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  SJSU167  Salix exigua Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit R at Gibson flag station, 125km N of Red Bluff 457 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  HSC76986  Salix jepsonii K. T. Stillman 1976-6-25 76 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  UC375231  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-3-30 1149 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125452  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125479  Salix lasiandra var. lasiandra L. E. Smith 1914-4-26 646 Siskiyou Near Dunsmuir Comment
  CAS-BOT-BC125446  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC107085  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 853 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM362720  Salix lasiolepis H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SD898  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North Side of Mount Eddy, about 21 km northwest of Shasta City, meadow 300 m below Dobkin's Lake 1650 Comment
  UC375223  Salix lasiolepis Geo. D. Butler 1909-4-11 1078 Siskiyou Shasta Springs Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482339  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  CAS-BOT-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  RSA238266  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  RSA238267  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  HSC28676  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1768 Comment
  HSC91168  Salix sitchensis Jennifer Whipple 1976-7-8 1373 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC220801  Salvia dorrii var. dorrii Alice Eastwood; John Thomas Howell 1940-6-14 8268 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  UCD125667  Salvia dorrii var. incana Robert E. Preston 1995-6-18 888 Siskiyou ca. 4 miles east of Hornbrook, on rock outcrop on north side of road to Irongate Reservoir. 670 Comment
  UCR129339  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow property, Greenhorn Valley, c. 2 miles west of Yreka 274 Comment
  RSA31143  Salvia sonomensis A. A. Heller 1905-6-16 s.n. Siskiyou Near Sisson Comment
  POM67465  Sambucus callicarpa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek. 1829 Comment
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC287  Sambucus racemosa var. racemosa William J. Ferlatte 1967-8-22 1080 Siskiyou Caribou Basin. 1982 Comment
  JEPS25630  Sanicula graveolens Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7268 Siskiyou Poker Flat 1536 Comment
  JEPS84044  Sanicula graveolens L. R. Heckard with J. Hickman et al. 1986-7-17 6455 Siskiyou ca. 5 mi. n. town of Seiad Valley (ridge e. of Kangaroo Peak, s. of Lily Pad Lake) 1900 Comment
  HSC19456  Sanicula graveolens J. O. Sawyer 1969-7-18 1394 Siskiyou W facing slope above S Russian Creek 1860 Comment
  JEPS19779  Sanicula tuberosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5947 Siskiyou close to Trintiy County Line (at s end of Gumboot Lake, head of South Fork of Sacramento River); Gumboot Lake, South Fork Sacramento River 1859 Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  JEPS47517  Saxifraga californica J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  JEPS86118  Saxifraga integrifolia Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass Area, just e of Pass Cook and Green Pass Area 1371 Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA261470  Saxifraga nidifica var. claytoniifolia J. M. Tucker 1963-7-7 3727 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC101871  Saxifragopsis fragarioides R. D. Whittlesey 2013-8-3 14 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  UC1190129  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC445877  Saxifragopsis fragarioides Doris K. Kildale 1929-7-20 8595 Siskiyou South east slope Preston Peak 1950 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  HSC67628  Schoenoplectus tabernaemontani J. P. Smith, Steve Selva 1970-7-16 4393 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  UC1100910  Scirpus maritimus Verne Grant and Irving Schneider 1947-8-25 8282 Siskiyou w side Tule Lake; w side Tule Lake Comment
  CAS-BOT-BC111096  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Along small stream near Deter Camp, Mt. Shasta. 1676 Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  CAS-BOT-BC243527  Scribneria bolanderi E. L. Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  SEINET13709498  Scutellaria galericulata Lowell William Ahart, Lowell William Ahart 1998-1 9350 Siskiyou NE of Weed and S of Macdoel in An Area of Marshes and Wet Meadows along Old State Hwy on The W Side of Bray (T44N, R1W, sec 20, SE 1/4) 1417 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC214253  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  HSC43831  Secale cereale Maralyn O'Meara 1974-5-27 490 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  UC571146  Sedum lanceolatum Dorothy Tebbe 1929-6-7 130 Siskiyou rocky hillside at Crater Lake (Mount Eddy); , Crater Lake Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CHSC118103  Sedum oblanceolatum Peter Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range. 1610 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
  UCR246356  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  UC198706  Sedum oregonense Annie Alexander and Louise Kellogg Siskiyou Wildcat Pk 2496 Comment
  CAS-BOT-BC503091  Sedum oregonense Doris K. Kildale 1929-7-20 8585 Siskiyou Southeast spur, Preston Peak 1950 Comment
  RSA0059718  Sedum radiatum subsp. depauperatum L. C. Wheeler 1934-6-4 2643 Siskiyou Ridge S of Horse Creek near mouth, Siskiyou Mts. Mt. Diablo Mer. 1067 Comment
  JEPS83983  Sedum rosea subsp. integrifolium L. R. Heckard with J. Hickman et al. 1986-7-17 6520 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  UC1015300  Sedum spathulifolium C. R. Bell 1951-4-21 1107 Siskiyou 10 mi w Happy Camp; 10 mi w of Happy Camp Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC43058  Sedum spathulifolium var. spathulifolium Ken Stillman 1976-8-24 448 Siskiyou E and N slopes of Williams Point 366 Comment
  UCR143036  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-14 3122 Siskiyou Klamath Ranges; Siskiyou Mountains, 0.5 mile west of White Mountain 1921 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  UC917260  Senecio aronicoides R. Tofsrud and J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, s slope of Mt. Shasta Mt. Shasta 2407 Comment
  CDA8581  Senecio aronicoides T. C. Fuller 1962-6-13 8974 Siskiyou Highway 89 to McCloud, 4.4 miles west of Bartle. 0 Comment
  HSC91207  Senecio fremontii Jennifer Whipple 1976-7-25 1581 Siskiyou N slopes of Mt. Eddy; on ridge crest above Deadfall Lakes 2622 Comment
  CAS-BOT-BC363644  Senecio fremontii var. occidentalis G. J. Muth 1969-8-10 1333 Siskiyou Red Mt. Ridge Comment
  HSC45485  Senecio integerrimus Maralyn O'Meara 1974-5-25 426 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  HSC508  Senecio integerrimus var. major William J. Ferlatte 1967-6-27 539 Siskiyou Big Flat, near public camp 1524 Comment
  SEINET10809464 Image available Senecio integerrimus var. major Harley P. Chandler Chandler 1606 Siskiyou Ridges and meadows near Marble mountain. 1981 Comment
  RSA0125066  Senecio integerrimus var. ochroleucus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2.5 miles northwest of Dry Lake Lookout. Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC364430  Senecio triangularis Gilbert J. Muth 1969-8-8 1278 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  HSC22468  Senecio triangularis J. O. Sawyer 1969-7-11 1336 Siskiyou S Sugar Creek 1829 Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  CAS-BOT-BC364423  Senecio triangularis Wm. Bridge Cooke 1938-9-8 11678 Siskiyou Mount Shasta. Panther Creek Meadow Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  HSC72194  Setaria viridis J. P. Smith 1976-9-5 8984 Siskiyou Scott Valley 671 Comment
  JEPS67298  Sidalcea asprella W. L. Jepson 1937-7-30 18551 Siskiyou Poker Flat Siskiyou Mts., headwaters Indian Creek (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
  HSC81981  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1979-6-16 4858 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  HSC71104  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4510 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC18929  Sidalcea oregana subsp. spicata State Survey 1800-1 1434 Siskiyou Strawberry Valley Mt. Shasta, Strawberry Valley Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  UC637021  Silene campanulata subsp. glandulosa Edward Lee 1934-8-14 1094 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1828 Comment
  HSC29622  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-8-9 1315 Siskiyou Marble Mtn. Wilderness Area , below first stream crossing , near Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  HSC19522  Silene douglasii J. O. Sawyer 1969-7-24 1195 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  HSC76646  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS50995  Silene grayi Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta, Horse Camp Comment
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  SEINET10537583  Silene grayi Mary Susan Taylor 1980-8-19 Taylor 3268 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  UC618595  Silene suksdorfii W. B. Cooke 1938-9-8 11648 Siskiyou n side of Red Butte , n side of Red Butte (Mount Shasta) Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  HSC43025  Silene vulgaris J. O. Sawyer, Ken Stillman 1976-7-1 2792 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CHSC38088  Sisymbrium altissimum R. E. Preston 1983-6-9 394 Siskiyou In vacant lot; MacDoel. 1292 Comment
  CAS-BOT-BC75155  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5864 Siskiyou Klamath River. Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  HSC67687  Sisyrinchium bellum John S. Palmer 1980-7-24 636 Siskiyou Elk Hole 1503 Comment
  NY319455  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta. 1524.0 Comment
  JEPS62160  Smilax californica W. L. Jepson July 1894 Siskiyou Sisson Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC68273  Solanum parishii J. P. Smith, Steve Selva 1970-6-15 3968 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS83867  Solanum umbelliferum Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (s side of pass); Siskiyou Mountains 1463 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  HSC34663  Solidago elongata Thomas W. Nelson, J. O. Sawyer 1974-10-29 1740 Siskiyou Hwy. 3, just S of Calaghan Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  UC830204  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC365249  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  CAS-BOT-BC374524  Sonchus asper W. B. Cooke; V. G. Cooke 1961-7-17 32626 Siskiyou Along logging road near Howard, Mt. Shasta Comment
  RSA142661  Sorbus californica Al Hobart 1961-7-13 3 Siskiyou Mt. Preston. 1829 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  UCD78008  Sorbus scopulina Robert E. Preston 2002-6-20 1864 Siskiyou Klamath National Forest, Rainbow Mountain, north slope. 1735 Comment
  SBBG15273  Spergularia rubra H. and M. Dearing 1939-7-1 3771 Siskiyou W of Etna on Etna Crk Comment
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  RSA0097340  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  CAS-BOT-BC149695  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CHSC26173  Spiraea douglasii J. P. Kroessig 1977-8-6 60 Siskiyou Big Castle Lake, ca 8.8 km wnw of Dunsmuir. 1700 Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  UC1037473  Spiraea douglasii Douglas Barbe 1955-7-5 102 Siskiyou 2.5 mi n Etna (on the road to Greenview); Klamath Mountains 883 Comment
  UC195237  Spiraea douglasii Annie M. Alexander and Louise Kellogg 1911-7-29 301 Siskiyou Rush Creek 1950 Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC164419  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake Shackleford Creek Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC68021  Stellaria borealis subsp. sitchana J. P. Smith, Steve Selva 1970-6-16 4036 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  UC165935  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou near Yreka Comment
  UC34305  Stephanomeria lactucina W. C. Blasdale 1894-7-2 Siskiyou Sisson Comment
  HSC290  Stephanomeria lactucina William J. Ferlatte 1967-8-22 1081 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UC1540142  Stephanomeria tenuifolia Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9256 Siskiyou Caldwell Butte Lava Beds National Monument 1499 Comment
  HSC45902  Stipa occidentalis var. occidentalis Laura Witherspoon 1978-8-18 102 Siskiyou Klamath National Forest, road to Ball Mtn. Lookout 2134 Comment
  HSC61  Stipa occidentalis var. occidentalis William J. Ferlatte 1966-6-23 136 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  UC584296  Streptanthus barbatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2428 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1380 Comment
  HSC70621  Streptanthus barbatus J. M. DiTomaso 1980-8-25 1907 Siskiyou Junction of FS Rd. 40N30 and 40N64 on way to Gumboot Lake from Mt. Shasta City Comment
  CAS-BOT-BC87844  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1937-6-26 5088 Siskiyou Salmon Mountains above Taylor Creek. Comment
  RSA142606  Streptanthus tortuosus P. A. Munz 1960-8-22 24193 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
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Jun 28 2018
  UC10899  Streptanthus tortuosus Geological Survey 1862-1 1418 Siskiyou in dry ravine Mt. Shasta 2438 Comment
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 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
  JEPS93826  Swertia albicaulis var. albicaulis Vernon H. Oswald and Lowell Ahart 1998-6-11 9186 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  JEPS123406  Swertia perennis Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -124 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC269624  Symphoricarpos albus var. laevigatus Alice Eastwood 1912-7-17 1192 Siskiyou Sisson Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  SFV5181  Symphoricarpos mollis B. C. Templeton 1960-6-21 8559 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CHSC34502  Symphyotrichum ascendens J. D. Jokerst 1981-9-8 1473 Siskiyou Along side creek draining Caldwell Lakes. Comment
  JEPS22081  Symphyotrichum bracteolatum Willis L. Jepson 1894-7-24 Siskiyou Shasta Springs Upper Sacramento Comment
  CAS-BOT-BC97878  Symphyotrichum eatonii Geo. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  UC54111  Symphyotrichum spathulatum H. M. Hall and E. B. Babcock 1903-6-1 4090 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 975 Comment
  CAS-BOT-BC99365  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou Scott-Salmon Trail, Salmon Mts. Comment
  IRVC26651  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Shasta Valley; Grenada. 793 Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC376797  Tanacetum parthenium L. E. Smith 1914-7-3 731 Siskiyou Sisson Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC33966  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC44883  Taxus brevifolia Maralyn O'Meara 1974-5-25 393 Siskiyou Along road to Duck Lakes trail 1402 Comment
  SEINET3876109 Image available Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest; road to Happy Camp.; 0 732 Comment
  UC224017  Taxus brevifolia H. E. Brown Jun 1 1897-Jun 10 1897 323 Siskiyou near Sisson 1083 Comment
  UC455419  Taxus brevifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCD135162  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  SD88458  Tellima grandiflora Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State line on road to Happy Camp 1707 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  CHSC27067  Tetradymia canescens K. Bridwell 1978-7-20 Siskiyou Top of Big Tablelands. Ca. 20 mi ne of Macdoel, ca. 1 mi w of Lower Tulelake. 1365 Comment
  HSC6272  Tetradymia canescens D. M. Thomson 1965-7-17 150 Siskiyou Lava Beds National Monument, N boundary Comment
  UC480864  Thalictrum fendleri var. polycarpum Harley P. Chandler June, 1901 1648 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  CDA25193  Thelypodium brachycarpum Don Shaw 1978-8-23 Siskiyou White Lake - Lower Klamath Refuge, Tule Lake. 0 Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  UC1481738  Thelypteris nevadensis unknown Oct 1941 Siskiyou e fork of Horse Creek 762 Comment
  SEINET10448380  Thlaspi montanum Mary Susan Taylor 1980-7-8 Taylor 3097 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CHSC560  Thlaspi montanum var. montanum M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  SBBG109240  Thlaspi montanum var. montanum C. B. Hardham 1961-7-1 7996 Siskiyou White Mtn Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  UC887572  Tonella tenella Louis C. Wheeler 1935-5-5 3460 Siskiyou Greenhorn Creek; Siskiyou Mts. 853 Comment
  CAS-BOT-BC169251  Toxicodendron diversilobum Ellsworth Bethel 1923-4-16 s.n. Siskiyou Redding Comment
  UCD136891  Tragopogon porrifolius Morris Halperin 1930-7-11 1 Siskiyou near Eureka. Comment
  HSC18875  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-22 528 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  HSC68346  Trientalis latifolia J. P. Smith 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  RSA237925  Trifolium cyathiferum Frederick W. Oettinger 1969-8-18 1425 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  HSC62305  Trifolium howellii Ruby Van Deventer 1955-8-5 Siskiyou Clear Creek Trail crossing, Trout Camp Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  UCD109135  Trifolium howellii J. M. Tucker; D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  UC1409230  Trifolium longipes var. hansenii Frederick W. Oettinger 1968-8-17 553 Siskiyou nne Pine Lake (vicinity of English Peak); salmon Mtns, Marble Mtn Wilderness Area 1950 Comment
  HSC43823  Trifolium macrocephalum Maralyn O'Meara 1974-5-27 477 Siskiyou Along Rd. 47N03 Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  UCD111340  Trifolium macrocephalum B. Crampton 1959-4-1 s.n. Siskiyou Ernie Solus ranch; Dryland pasture, Edgewood area. 914 Comment
  HSC71548  Trifolium pratense J. P. Smith, Steve Selva 1970-6-16 4039 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC230886  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain 1828 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  HSC30421  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Salmon Mtn., above trail near Young's Cabin in region of Upper Abbott's Cabin. 1829 Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain 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
  UC1409310  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-15 1035 Siskiyou w. bank of Abbott Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1676 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  SEINET10459927  Triodanis perfoliata Unknown 1943-5-8 Anonymous s.n. Siskiyou SCOTT VALLEY 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
  SJSU6494  Trisetum canescens R. W. Trivelpiece 1972-6-14 110 .5 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp, western Siskiyou County 1371 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC30533  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Cabin 2165 Comment
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS84004  Trisetum spicatum L. R. Heckard with J. Hickman et al. 1986-7-17 6473 Siskiyou ca 5 mi n town of Seiad Valley (trail up Kangaroo Peak, s of Lily Lake Pad); Kangaroo Peak 1800 Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC539  Triteleia hyacinthina William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC74090  Turritis glabra Geo. D. Butler 1910-6-5 1524 Siskiyou Loy Lake. Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC199181  Vaccinium cespitosum Doris K. Kildale 1928-8-20 6608 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CHSC30109  Vaccinium cespitosum M. S. Taylor 1980-5-4 2782 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC18967  Vaccinium cespitosum J. O. Sawyer 1969-7-24 1500 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  SJSU6545  Vaccinium cespitosum R. W. Trivelpiece 1973-6-21 151 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  UC1409404  Vaccinium deliciosum Frederick W. Oettinger 1969-7-11 990 Siskiyou a short way up the trail from Hancock Lake to Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC61122  Vaccinium membranaceum Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  SEINET3107073  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  CHSC32719  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  HSC40470  Vaccinium uliginosum J. O. Sawyer 1973-7-18 2551 Siskiyou Hamilton Camp Comment
  JEPS107659  Valerianella locusta Lowell Ahart, John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  CAS-BOT-BC529107  Veratrum californicum W. R. Dudley 1893-6-19 s. n. Siskiyou Klink's Meadow Comment
  UC1409322  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  JEPS39294  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  UC164388  Veratrum insolitum Geo. D. Butler 1908-8-9 535 Siskiyou Marble Valley Comment
  POM43036  Verbascum blattaria Edward Palmer 1892-7-13 2540 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET9225188  Verbena lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka. Comment
  HSC61933  Veronica americana Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS107655  Veronica catenata Lowell Ahart, John Dittes 2005-6-10 12098 Siskiyou Along the Shasta River, about 30 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-BC94405  Veronica serpyllifolia subsp. humifusa R. C. Wenk 2005-7-15 204 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  HSC69008  Veronica serpyllifolia subsp. humifusa Maralyn A. Renner 1980-7-24 2050 Siskiyou Lily Pad Lake 1768 Comment
  HSC91122  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-8-6 2231 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC27746  Veronica serpyllifolia subsp. humifusa Milo S. Baker 1893-8-6 Siskiyou Mount Spring, Medicine Lake Medicine Lake; Mount Spring, Medicine Lake Comment
  UCD124908  Veronica serpyllifolia subsp. humifusa J. M. Tucker; L. K. Mann 1963-8-17 3744 Siskiyou Beside trail from Red Rock Valley to top of ridge. Marble Mountain Wilderness Area. 1859 Comment
  UC618896  Veronica wormskjoldii W. Bridge Cooke 1938-9-8 11634 Siskiyou South Gate Springs; Mount Shasta, South Gate Springs 2499 Comment
  SBBG15262  Vicia americana subsp. americana D. Myrick 1961-6-21 301 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  HSC42960  Vicia americana var. americana J. O. Sawyer, Ken Stillman 1976-5-30 2755 Siskiyou Along Specimen Creek. 915 Comment
  HSC61511  Vicia americana var. americana Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UCD108680  Vicia americana var. americana Rimo Bacigalupi 1959-6-16 7154 Siskiyou West slope of Mt. Shasta; above and northeast of Mt. Shasta (town). 1414 Comment
  SBBG4790  Viola adunca H. and M. Dearing 1939-6-5 3548 Siskiyou E of McCloud Comment
  UC1282006  Viola adunca Louise Kellogg Aug 5 1953-Aug 7 1953 101 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest 1844 Comment
  UC1761553  Viola adunca H. M. Hall and E. B. Babcock Jun 1903 4072 Siskiyou meadows near Upton; Mount Shasta 1219 Comment
  HSC91211  Viola adunca var. adunca Jennifer Whipple 1976-6-23 1114 Siskiyou S face of Mt. Eddy draining into the North Fork of the Sacramento River 2317 Comment
  JEPS50218  Viola bakeri W. L. Jepson 1907-7-5 2841 Siskiyou Marble Mountain Comment
  UC164288  Viola bakeri Geo. D. Butler 1910-4-21 1209 Siskiyou Oro Fino Comment
  UC1762378  Viola bakeri Freed Hoffman 1948-7-13 2631 Siskiyou 8 mi S of Tennant Comment
  RSA424299  Viola beckwithii Kessler 420 Siskiyou [No location information provided.] Comment
  SEINET8896585  Viola beckwithii G. D. Butler 1910-3-11 1124 Siskiyou Yreka hills Comment
  HSC18944  Viola glabella J. O. Sawyer 1968-7-2 379 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC62271  Viola glabella Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  JEPS82479  Viola glabella Gilbert Muth 1966-7-8 353 Siskiyou Marble Mountain Wilderness Area; Marble Valley, Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC536927  Viola glabella Mrs. H. P. Bracelin 1936-5-12 847 Siskiyou North base of Mt. Eddy, 11 mi NW of Mt. Shasta City, about 2 mi E of Burney Mill 1127 Comment
  RSA78817  Viola hallii Philip A. Munz 1952-7-2 17895 Siskiyou Baldy Mtns, NW of Happy Camp, Siskiyou Mtns. 1738 Comment
  CAS-BOT-BC537177  Viola lobata Elmer I. Applegate 1895-5-29 3020 Siskiyou Sisson Comment
  UC1763332  Viola lobata Milo S. Baker Jun 1896 5523 Siskiyou Bear Cr. Mts. Comment
  HSC4496  Viola macloskeyi William J. Ferlatte 1966-6-23 131 Siskiyou Yellow Rose Mine 1982 Comment
  UC1090432  Viola macloskeyi H. K. Wagnon 1957-8-11 1707 Siskiyou near Ash Creek (e slope Mount Shasta); North Coast Ranges, Mount Shasta Comment
  RSA80567  Viola praemorsa subsp. linguifolia Milo S. Baker 1933-4-10 7354 Siskiyou Along Hwy 99, 2 mi S of Yreka. Near an Auto Court. Comment
  JEPS91083  Viola purpurea Dean W. Taylor 1975-8-14 5458 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  CAS-BOT-BC94473  Viola purpurea subsp. purpurea R. C. Wenk 2005-7-19 339 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  UC1408815  Viola sheltonii Frederick W. Oettinger 1969-7-11 979 Siskiyou High Lake Basins in vicinity of English Peak (nw of Hancock Lake on sw running ridge (s facing slope) of Little Medicine Mt.); Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  SEINET185708 Image available Vitis californica Annetta Carter 1939-1 1482 Siskiyou Salmon River at Oak Bottom Campground 2 mi E of Somes Bar 488 Comment
  UC164093  Vitis californica Geo. D. Butler 1908-7-4 1029 Siskiyou Shasta River; near mouth Comment
  RSA0121718  Vitis californica Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  HSC36756  Vulpia microstachys J. P. Smith 1974-5-25 7407 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC183957  Vulpia microstachys var. microstachys A. A. Heller 1905-6-15 8039 Siskiyou On the first ridge west of Sisson Comment
  CAS-BOT-BC184588  Vulpia microstachys var. pauciflora A. A. Heller 1905-6-15 3039 Siskiyou Near Sisson Comment
  SEINET10604535  Vulpia myuros var. hirsuta Louis C. Wheeler 1935-5-4 Wheeler 3459 Siskiyou Dry sunny clay south slope. Greenhorn Creek. Siskiyou Mts. S 28, T 45 N, R 7 W, Mt. Diablo Mer. 853 Comment
  CAS-BOT-BC383239  Wyethia angustifolia Geo. D. Butler 1909-6-22 951 Siskiyou Goosenest foothills Comment
  CHSC33054  Xanthium spinosum James P. Smith; John Sawyer 1971-9-18 4799 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Roadside. Comment
  HSC46234  Yabea microcarpa Jennifer Whipple 1978-6-5 2347 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC533040  Zigadenus micranthus Roxana S. Ferris; Laura Lorraine 1948-6-12 11790 Siskiyou Scott Mountian Road south of Callahan Comment
  JEPS55657  Zigadenus micranthus var. micranthus D. Parker 1967-6-12 Siskiyou above Callahan (base of Scott Mountain); Scott Mountain 914 Comment
  HSC91997  Zigadenus paniculatus Jennifer Whipple 1976-6-19 1053 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  HSC30465  Zigadenus venenosus var. venenosus Frederick W. Oettinger 1969-8-4 1172 Siskiyou Salmon Mountains, Tobacco Lake, upper meadow 1890 Comment



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