Search Results — 2000 specimen records retrieved (1373 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
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  SBBG133154  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11330 Siskiyou rd to Castle Lake, ca. 7 mi SW of Mt Shasta 2073 Comment
  HSC29634  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Marble Mtn. Wilderness Area, N of peak near English Lake. Bulk Collection #51 2104 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC27600  Acer circinatum Carl W. Mize 1972-6-10 53 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  UC61063  Acer circinatum W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  SBBG4082  Acer glabrum K. K. Muller 1954-6-24 648 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments
Jan 28 2015
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  HSC27951  Acer macrophyllum Carl W. Mize 1972-9-23 114 Siskiyou 0.5 mi. from end of Steinacher Creek Rd. 884 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC30433  Achillea millefolium J. H. Thomas; H. A. Thomas 1954-7-21 4429 Siskiyou Salmon-Trinity Mtns., about 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  HSC68003  Achillea millefolium J. P. Smith, Steve Selva 1970-6-15 3983 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC81664  Achillea millefolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6077 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC30444  Achillea millefolium D. M. Traugh 1933-5-25 62 Siskiyou Klamath N.F. 609 Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  UC1483563  Achnatherum lemmonii Maralyn A. Renner 1980-6-26 1148 Siskiyou Flint Valley Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
Read comments
Jun 8 2012
  UCD50821  Achnatherum nevadense Leo Whitney Date Unknown 3471 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC210870  Achnatherum occidentale subsp. californicum Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  RSA129519  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 334 Siskiyou Grey Butte 2073 Comment
  SEINET255882  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-30 4094 Siskiyou Off I-15 8 or 9 mi S of Weed exchange bewteen Weed and Mt Shasta along roadsides Comment
  UCD103802  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12116 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  SBBG3407  Acmispon nevadensis var. nevadensis H. and M. Dearing 1939-6-3 3527 Siskiyou Spring Flat Public Camp, Klamath Nat Forest Comment
  UC375344  Aconitum columbianum Geo. D. Butler 1909-7-20 1064 Siskiyou Highland Mine Comment
  CAS-BOT-BC391530  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  RSA0005270  Aconitum geranioides E. B. Copeland 1903-8-13 3890 Siskiyou Sisson. 1067 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp CA and O'Brien, Oregon, at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC67676  Aconogonon phytolaccifolium John Palmer 1980-7-24 597 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  CAS-BOT-BC68961  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou Banks of China Creek 1097 Comment
  JEPS104915  Adiantum aleuticum Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15858 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  UCD137174  Adiantum aleuticum H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UC164008  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  UCD35438  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  CHSC253  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC21375  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1921-7-29 10946 Siskiyou Medicine Lake Comment
  UC609358  Agoseris aurantiaca var. aurantiaca Eleanor Burks Hart 1938-8-21 Siskiyou Upper Wright Lake Upper Wright Lake 2225 Comment
  CHSC34258  Agoseris glauca var. monticola J. D. Jokerst; M. D. Huffine 1981-9-8 1467 Siskiyou Between West Parks Cr and first rd to the west. 1798 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CDA9940  Agoseris heterophylla G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2632 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  UCD52351  Agrostis exarata A. H. Murphy 1959-7-21 59 C Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UCD52402  Agrostis exarata E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  UCD52414  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1249 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
  HSC22462  Agrostis pallens J. O. Sawyer 1969-7-24 1471 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  UCD21466  Agrostis scabra Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1206 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  LA10270  Agrostis stolonifera J. R. Swallen; 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  SEINET3917201  Agrostis stolonifera J. P. Smith, Steve Selva 1970-8-8 4554 Siskiyou Juanita Lake.; 0 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  CAS-BOT-BC138476  Agrostis variabilis Elmer I. Applegate 1923-8-17 3838 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  UCD37093  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC138357  Aira caryophyllea var. caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mountains. Horse Creek. 762 Comment
  POM110310  Allium acuminatum Geo D. Butler 1910-5-17 1357 Siskiyou Dry hill Yreka. Comment
  CAS-BOT-BC462379  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  SBBG14883  Allium bolanderi A. I. Richardson 1961-6-8 14 Siskiyou near Cedar Lake, N of Mt Shasta 853 Comment
  HSC98161  Allium campanulatum J. O. Sawyer 1969-7-15 1115 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  HSC77062  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC469243  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  POM109968  Allium siskiyouense Geo D. Butler 1910-4-10 1167 Siskiyou Yreka Comment
  CAS-BOT-BC478032  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC171408  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 miles W of Mt. Shasta City 1066 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  CAS-BOT-BC169640  Alnus rhombifolia Lewis S. Rose 1945-6-22 45182 Siskiyou Beaver Creek & Klamath River 548 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  UC164073  Alnus rhombifolia Geo. D. Butler 1909-3-26 563 Siskiyou mining dump near Oro Fino Comment
  CAS-BOT-BC169390  Alnus viridis subsp. sinuata John Thomas Howell 1937-7-24 13395 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  CAS-BOT-BC138106  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 94 Siskiyou In Scott Valley (Fay Dane). 853 Comment
  CHSC71290  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-6-11 9178 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
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  POM91176  Amelanchier pallida Edward Palmer 1892-6-13 2459 Siskiyou Mt Shasta and vicinity Comment
  CAS-BOT-BC136911  Amelanchier utahensis Philip A. Munz 1949-5-18 13308 Siskiyou 14 miles southwest of Gazelle on Callahan road 1463 Comment
  JEPS74469  Amelanchier utahensis W. J. Ferlatte 1966-6-23 149 Siskiyou Big Flat Trinity Alps (near public camp) 1524 Comment
  UC144390 Image available Amelanchier utahensis A. A. Heller 1905-6-5 7970 Siskiyou between Shasta Retreat and Shasta Springs; ; between Shasta Retreat & Shasta Springs, Siskiyou Co. Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  CHSC95106  Anemone deltoidea L. P. Janeway 2006-7-2 8735 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  UC1409279  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  CAS-BOT-BC391799  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  CAS-BOT-BC94417  Anemone deltoidea R. C. Wenk 2005-7-15 233 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, next to a creek 1828 Comment
  HSC27343  Anemone drummondii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5702 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  POM100562  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou Marble Mtn Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  CAS-BOT-BC391967  Anemone occidentalis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC34320  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou W of Cliff Lake 1982 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  JEPS95249  Anemopsis californica Steve Edwards 1996-7-14 Siskiyou Road A1 2, 6.2 mi W of Big Springs Road, or 0.7 mi E of the RR tracks in Granada Comment
  UC637114  Angelica arguta Edward Lee 1934-8-14 1106 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1865 Comment
  RSA470340  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  HSC67032  Anisocarpus madioides J. P. Smith, Steve Selva 1970-6-14 3881 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  SBBG30512  Antennaria argentea D. Myrick 1968-6-25 2015 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  POM34162  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek. 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
  UC165969  Antennaria dimorpha Geo. D. Butler 1909-4-4 573 Siskiyou near, dry hillside Yreka Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS94381  Antennaria rosea subsp. confinis Vernon Oswald and Lowell Ahart 1997-7-28 8789 Siskiyou se of Medicine Lake (at Paynes Springs, on floor of Paynes Creek Canyon n of the campground); Paynes Creek Canyon, Paynes Springs 1981 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC280674  Anthoxanthum nitens Gus Hormay 1944-7-19 s.n. Siskiyou Kuck's Cabin, Bald Mountain, west of Mount Hebron 1828 Comment
  POM127134  Antirrhinum vexillocalyculatum subsp. breweri L. R. Abrams 1922-8-6 9897 Siskiyou Klamath River 6 miles below Hornbrook Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  SBBG30602  Apocynum androsaemifolium D. Myrick 1968-6-24 2005 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  UC595133  Apocynum androsaemifolium David D. Keck 1938-8-8 4875 Siskiyou between Scott Mt. and Craggy Peak (at Trinity Co. line); Scott Mt. Divide 1675 Comment
  RSA120890  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1957-7-13 381 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC395150  Aquilegia formosa Donald Myrick 1961-6-20 280 Siskiyou Bear Springs, S slope of Mt. Shasta 1676 Comment
  CAS-BOT-BC397947  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  RSA123547  Aquilegia formosa G. D. Barbe 1955-7-6 133 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC87012  Aquilegia formosa var. formosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  CHSC466  Arabis V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  HSC44739  Arabis breweri var. breweri J. O. Sawyer, E. Cope 1977-6-21 2979 Siskiyou Near Prescott Peak 1677 Comment
  HSC90568  Arabis divaricarpa Jennifer Whipple 1977-8-6 2241 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC22409  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-1 1676 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA0125827  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 miles S of Etna at junction of Parrot Mill Road and French Creek Road. 945 Comment
  CDA24655  Arabis holboellii var. retrofracta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2617 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  SEINET3899871  Arabis holboellii var. retrofracta Dorothy Parker 1951-5-10 510 Siskiyou Kidder Creek, Scott Valley.; 0 914 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC90288  Arabis modesta D. L. Goforth 1980-6-26 634 Siskiyou Salmon River Rd. at Tom Payne Creek 290 Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  RSA482751  Arabis paupercula Christopher Davidson 1975-6-5 2697 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  HSC90602  Arabis platysperma Jennifer Whipple 1976-9-4 1806 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  RSA59496  Arabis sparsiflora E. K. Balls 1950-5-15 14704 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  RSA608669  Arceuthobium abietinum Louis C. Wheeler 1963-9-11 8384 Siskiyou Siskiyou Mountains: Dillon Creek, just N of hanging pond NE of Sawtooth Mountain. Comment
  RSA121383  Arceuthobium campylopodum G. D. Barbe 1955-7-29 314 Siskiyou 0.75 mi E of Scott Mtn Road on road to Big Carmen Lake. 1707 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET2139983  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -48 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness Area. 1950 Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  CAS-BOT-BC39981  Arctostaphylos nevadensis Steve Abbors 1980-7-23 s.n. Siskiyou Everitt Memorial Highway, ascending Mt. Shasta. 2286 Comment
  CAS-BOT-BC45435  Arctostaphylos nevadensis W. R. Dudley 1901-8-18 s.n. Siskiyou Morraine of Jackson Lake. Salmon Mts. Comment
  CAS-BOT-BC45437  Arctostaphylos nevadensis W. R. Dudley 1899-8-24 s.n. Siskiyou Side of Craggy Peak. Comment
  HSC69014  Arctostaphylos nevadensis Maralyn A. Renner 1980-7-24 2027 Siskiyou Lily Pad Lake 1768 Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  UC54438  Arctostaphylos nevadensis H. M. Hall and E. B. Babcock June, 1903 4107 Siskiyou Ash Creek Sierra Nevada Mts., Mt. Shasta 1676 Comment
  CAS-BOT-BC46431  Arctostaphylos patula Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-2 s.n. Siskiyou SW. of Deadwood Peak Lookout. 1653 Comment
  CAS-BOT-BC46484  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cook & Green Pass. 1371 Comment
  CAS-BOT-BC46489  Arctostaphylos patula Mrs. H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  POM77308  Arctostaphylos patula Geo D. Butler 1909-4-11 657 Siskiyou Weed. Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UCD53415  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  CAS-BOT-BC46488  Arctostaphylos patula W. B. C. 1939-8-4 13803 Siskiyou Along the Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC47008  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-4-2 4404 Siskiyou Klamath River at Somes Bar. Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  RSA15600  Arctostaphylos viscida subsp. viscida C. B. Wolf 1927-8-26 1107 Siskiyou Klamath River, 8 mi. above Happy Camp. Comment
  UC718362  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1934-7-4 5925 Siskiyou 3 mi below Tee Bar Creek; Klamath River 213 Comment
  JEPS95046  Arnica chamissonis Vernon Oswald and Lowell Ahart 1997-7-28 8805 Siskiyou 10.9 mi n of Highway 89 (meadow on the e side of Forest Route 15); Forest Route 15 1383 Comment
  UC1192167  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 798 Siskiyou Highway 97 Grass Lake Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC44724  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-18 2905 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1037437  Arnica discoidea Douglas Barbe 1955-7-28 308 Siskiyou 3/4 mi w of Scott Mountain Forest Camp; Klamath Mountains 1645 Comment
  HSC22160  Arnica latifolia J. O. Sawyer 1969-6-12 930 Siskiyou Along trail to Duck Lake 1799 Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  UC1409284  Arnica mollis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1251 Siskiyou below, along steep gorge, (high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UCD129152  Arnica mollis Joseph M. DiTomaso 1975-9-10 319 Siskiyou meadow on slope; Caribou side of Sawtooth Ridge. Trinity Alps. 2194 Comment
  CAS-BOT-BC90078  Arnica ovata Gilbert J. Muth 1969-8-6 1218 Siskiyou Boulder Peak 2529 Comment
  UC1409369  Arnica ovata Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mi nne of, English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English L 1950 Comment
  CHSC65216  Arnica viscosa V. Parker; J. Cooper, M. Ulloa-Cruz, B. Dalleske, C. Crocker 1994-8-3 855 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Pvt. land. Where road crosses Panther Creek tributary SE of Gray Butte. 1950 Comment
  CAS-BOT-BC172863  Artemisia douglasiana J. K. Nelson; J. P. Nelson; Soren Nelson 2004-8-29 2004 -095 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  HSC34311  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1973-8-14 7324 Siskiyou West of Cliff Lake 2012 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC92872  Artemisia tridentata subsp. tridentata Jennifer Whipple 1976-9-4 1805 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  RSA237599  Aruncus sylvester Frederick W. Oettinger 1969-9-4 1670 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC36712  Asarum caudatum Brent Whiteley 1975-7-3 138 Siskiyou 1220 Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SBBG16539  Asclepias cordifolia D. Myrick 1961-6-20 271 Siskiyou near Mt Shasta City 1066 Comment
  UC164124  Asclepias cordifolia Geo. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  POM301663  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou South Slopes, Cayenne Ridge, Marble Mountain Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  RSA401106  Asclepias speciosa B. C. Templeton 1957-6-23 s.n. Siskiyou North of Callahan on Hwy. 3 Comment
  CAS-BOT-BC69556  Aspidotis densa Lewis S. Rose 1945-6-18 45126 Siskiyou Horse Creek & Klamath River. 502 Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  RSA502325  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  UC1584588  Astragalus inversus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  POM204046  Astragalus obscurus Alice Eastwood, John T. Howell 1934-4-20 1786 Siskiyou 4 miles N of Weed. Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka 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
  UC1333511  Astragalus whitneyi John F. Davidson 1947-5-17 4635 Siskiyou 5 mi from Callahan (27 mi from Trinity Center, in draw on first summit Scott Mt. Road on n slope Scott Mt.); n slope Scott Mt., <nr> Callahan, 27 mi fr Trinity Center Comment
  UC1561941  Astragalus whitneyi var. siskiyouensis Barbara Ertter 1985-5-30 5758 Siskiyou on Hwy 3 se of Callahan 2.6 mi n Scott Mt. Summit; n of Scott Mt. summit, se of Callahan 1402 Comment
  RSA0006883  Astragalus whitneyi var. siskiyouensis H. D. Ripley, R. C. Barneby 1954-5-7 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  HSC144  Asyneuma prenanthoides William J. Ferlatte 1966-8-3 267 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC58849  Athyrium distentifolium var. americanum Marvin Butler 1971-8-2 258 Siskiyou Near El Capitan, close to the town of Cave Junction 2073 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta Comment
  CAS-BOT-BC66187  Athyrium filix-femina var. cyclosorum Grant 1902-9-15 5260 Siskiyou Shasta Springs Comment
  CAS-BOT-BC66185  Athyrium filix-femina var. cyclosorum W. B. C. 1939-7-21 13700 Siskiyou outlet of the Municipal Spring above Howard 1280 Comment
  UC1733687  Athysanus pusillus Kay H. Beach, Frank Gould 1940-5-16 635 A Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  CAS-BOT-BC17613  Athysanus pusillus L. E. Smith 1914-5-6 657 Siskiyou Yreka. Comment
  HSC39745  Athysanus pusillus J. O. Sawyer 1970-4-4 2090 Siskiyou Along Sugar Creek 823 Comment
  CDA23298  Atriplex patula R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  HSC4359  Atriplex rosea D. M. Thomson 1965-8-14 199 Siskiyou Lava Beds National Monument, by Hovey Pt. Comment
  UC204767  Avena fatua Geo. D. Butler 1909-6-27 849 Siskiyou Shasta River bluffs Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC456082  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  UC165374  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Comment
  CDA10485  Balsamorhiza hookeri F. D. Horn 1978-4-27 Siskiyou End of Litchens Road, Montague. 0 Comment
  RSA722496  Balsamorhiza hookeri var. lagocephala Richard Halse 1989-5-6 3818 Siskiyou Along Old Hwy. 99, 3.2 to 6.2 miles S of Gazelle or 1.5 miles N of its junction with Old Stage Road. 912 Comment
  CAS-BOT-BC100059  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1936-6-13 2749 Siskiyou 6 miles n. of Weed Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  CHSC33222  Barbarea orthoceras R. E. Preston 1981-5-2 58 Siskiyou On banks of Camp Creek where it enters Irongate Reservoir; ca. 32 km ne of Yreka. 700 Comment
  HSC39830  Barbarea orthoceras J. O. Sawyer 1969-7-18 1369 Siskiyou Along S Russian Creek below Russian Lake 2012 Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA237234  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou North of Upper English Lake; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1777 Comment
  CAS-BOT-BC16806  Barbarea verna Alice Eastwood 1921-7-24 10718 Siskiyou Castella. Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CAS-BOT-BC400050  Berberis C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  RSA795336  Berula erecta L. 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 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC1051397  Betula occidentalis Herbert L. Mason 1953-7-30 14580 Siskiyou just n Weed; Shasta River Comment
  JEPS32523  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou Wright and Fletcher's pasture 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-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  UC1211907  Blepharipappus scaber Roy L. Taylor 1960-6-12 4444 Siskiyou 1 mi w of jtn. of Hwy. 96 (Klamath River rd) and Hwy. 99 n of Yreka, above Klamath River Hwy. 96 Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  SEINET193232  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2902 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 305 Comment
  CAS-BOT-BC16046  Boechera breweri subsp. shastaensis J. H. Thomas 1954-5-14 4175 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  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-BC13812  Boechera howellii John Thomas Howell 1937-7-26 13539 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14135  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mile southeast of King's Castle. 1828 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC14672  Boechera rectissima R. E. Frenkel 1964-7-13 670 Siskiyou On shoulder of Everitt Memorial Highway. 1493 Comment
  UC1409354  Boechera retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Southwest of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1920 Comment
  UC1409430  Boechera retrofracta Frederick W. Oettinger 1969-7-11 922 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake, Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1828 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  SEINET3166095  Boechera rollei P. J. Alexander 2008-7-24 873 -C Siskiyou On the Pacific Crest Trail +-0.7 miles SSW of Cook & Green Pass, +-1.9 miles E of Red Butte, +-7miles NNE of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1606 Comment
  CAS-BOT-BC25867  Boechera subpinnatifida John Thomas Howell 1952-6-14 28343 Siskiyou 9.5 miles from Fort Jones on road to Callahan. 853 Comment
  JEPS105425  Boechera subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou Upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka). 1371 Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC65509  Boykinia major Rich White 1977-7-7 107 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  HSC64835  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-15 3914 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  UC61169  Brodiaea coronaria subsp. coronaria W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UCD58256  Bromus carinatus R. Tofsrud 1948-8-1 s.n. Siskiyou From Happy Camp to O'Brien, Oregon. Comment
  HSC103049  Bromus carinatus var. carinatus J. P. Smith 2014-6-7 13907 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1687 Comment
  JEPS74567  Bromus carinatus var. carinatus W. J. Ferlatte 1966-6-23 138 Siskiyou Trinity Alps, along the Yellow Rose Mine Trail Yellow Rose Mine Trail; Trinity Alps, Yellow Rose Mine Trail 1676 Comment
  UC1131049  Bromus carinatus var. carinatus H. A. Jensen 1933-9-30 358 Siskiyou Shasta National Forest, Signal Butte Signal Butte; Shasta National Forest, Signal Butte 1341 Comment
  HSC2194  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Siskiyou Mts., Klamath River at Ash Creek. 610 Comment
  RSA715629  Bromus japonicus L. Ahart 2005-6-9 12009 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  RSA239069  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC185600  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC26633  Bromus tectorum J. P. Smith, Steve Selva 1970-6-16 4013 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC103034  Bromus tectorum J. P. Smith 2014-6-7 13892 Siskiyou Etna Comment
  NY664732  Bromus tectorum var. glabratus A. Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC185262  Calamagrostis koelerioides Doris K. Kildale 1928-8-19 6544 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mountain. 2194 Comment
  HSC30648  Calamagrostis koelerioides Frederick W. Oettinger, R. F. Thorne 1969-8-4 1162 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  UCD57318  Calamagrostis koelerioides A. H. Murphy 1956-8-16 56 U Siskiyou Klamath Natioal Forest, east end Big Marshy Meadow. 1828 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  CAS-BOT-BC85738  Calocedrus decurrens Doris K. Kildale 1929-4-27 7561 Siskiyou Cecilville Comment
  UC922507  Calochortus coeruleus Annie M. Alexander and Louise Kellogg 1949-7-21 5823 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC487852  Calochortus coeruleus Ira L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  JEPS104938  Calochortus elegans Dean W. Taylor 1996-6-28 15752 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA17447  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sissons. Comment
  CAS-BOT-BC488617  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sisson Comment
  JEPS61690  Calochortus macrocarpus W. L. Jepson 1940-6-23 19988 Siskiyou e of Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  HSC15364  Calochortus macrocarpus R. C. Wunner 1965-7-20 401 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  CAS-BOT-BC493090  Calochortus nudus W. R. Dudley 1893-6-19 s.n. Siskiyou Woods near Sisson Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  RSA120642  Calochortus nudus G. D. Barbe 1955-7-28 300 Siskiyou Just west of Scott Mountain Forest Camp along the Siskiyou - Trinity County line, Klamath Mountains 1616 Comment
  SEINET12045036  Calochortus tolmiei J. P. Smith 1973-1 6375 Siskiyou in & around O'Neill Campground near Seiad Valley 488 Comment
  RSA0120944  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA0120948  Caltha biflora G. D. Barbe 1955-7-6 124 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC181499  Caltha leptosepala Lillian Mott 1976-7-9 48 LM76 Siskiyou Meadow below north slope of Lily Pad Lake ca. 7 mi. west of Cook and Green Pass 2011 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  UC562934  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River, Salmon River Comment
  SEINET7379700 Image available Calycadenia truncata G. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  UCD129886  Calycadenia truncata R. L. Carr 1974-9-12 2160 Siskiyou 0.4 mile east of Somesbar on Salmon River Road. 195 Comment
  CAS-BOT-BC272745  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC272741  Calycadenia truncata subsp. truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 mi W of Gazelle on the Gazelle-Callahan Rd, S of Yreka 950 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  SEINET196191  Calyptridium umbellatum R. S. Ferris, L Lorraine 11761 Siskiyou French Cr Logging Rd W of Callahan 1067 Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  RSA394811  Calystegia occidentalis subsp. occidentalis M. B. Dunkle 1944-7-15 9109 Siskiyou Siskiyou Natl. Forest. Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  RSA530924  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Hungry Creek. Siskiyou Mountains. Mt. Diablo Mer. 1098 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  UC334033  Campanula prenanthoides unknown Sept. 1883 Siskiyou near Shasta Comment
  SEINET10462854  Campanula prenanthoides Brown 1897-7-15 Brown 527 Siskiyou SOUTH SIDE MT SHASTA 5000-10000 Comment
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10463162  Campanula prenanthoides Samuel B. Parish 1902-9-13 Parish s.n. Siskiyou Dunsmuir 610 Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  SEINET10463380  Campanula scabrella A. Arthur Heller 1920-7-9 Heller 13428 Siskiyou MT. EDDY, HIGH UP IN GRAVEL ON THE LONG BARE EASTERN SLOPE 2438 Comment
  UC61194  Campanula scouleri W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson Mount Shasta Comment
  SEINET10463436  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou DEETZ STATION NEAR BLACK BUTTE 1158 Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  SEINET10872979  Campanula scouleri Palmer 1892-7-13 Palmer 2469 Siskiyou Mount Shasta and vicinity Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  CHSC65630  Campanula wilkinsiana Maria Ulloa-Cruz 1994-8-3 70 Siskiyou Shasta-Trinity National Forest plants. Mount Shasta Ranger District. Big Canyon Creek Drainage. 1950 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 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-BC18394  Carex Doris K. Kildale 1928-8-19 6517 Siskiyou English Lake, head of North Fork of Salmon River. Comment
  UC833305  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC29661  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake 1890 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17859  Carex amplifolia H. A. Thomas; J. H. Thomas 1954-7-21 4418 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC76315  Carex aquatilis L. P. Janeway 1982-8-21 167 Siskiyou Upper Twin Valley 1585 Comment
  UC55222  Carex athrostachya H. M. Hall and E. B. Babcock Jun 1903 4062 Siskiyou Sisson Mount Shasta 106 Comment
Read comments
Nov 7 2009
  HSC76844  Carex athrostachya L. P. Janeway 1982-8-13 121 Siskiyou 4 m from creeklet that joins Bear Creek 1555 Comment
  CAS-BOT-BC19097  Carex aurea William Bridge Cooke 1939-7-7 13614 Siskiyou The Lower Wagon Camp springs. 1737 Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  SEINET7557910 Image available Carex echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Midway on trail between Diamond Lake and Hancock Lake at "Base Camp". 2012 Comment
  HSC81978  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson 1979-6-16 4861 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UCD140249  Carex exsiccata A. H. Murphy 1958-8-4 58 A Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  JEPS25916  Carex feta W. L. Jepson 1894-8-4 53 a Siskiyou Mt. Shasta Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  CAS-BOT-BC20746  Carex fracta William Bridge Cooke 1938-7-15 11263 Siskiyou Mt. Shasta. 1737 Comment
  JEPS25580  Carex fracta Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7209 Siskiyou w slopes of broadening base of Mt. Shasta Mt. Shasta 1676 Comment
  UC803884  Carex geyeri G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4019 Siskiyou 10 mi w Weed (above Stewart Springs); Park's Creek 1219 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  UC1586944  Carex halliana Juha Pykala and D. H. Norris 1987-7-8 2421 Siskiyou campground area, ne side of lake Medicine Lake 2040 Comment
  SEINET11309837 Image available Carex hassei Unknown 2009-1 24535 Siskiyou Near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR). Comment
  UCD77474  Carex heteroneura Robert E. Preston 2001-6-30 1667 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1853 Comment
  CHSC96166  Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  JEPS106478  Carex inops subsp. inops J. K. Nelson 2004-7-4 2004 -66 Siskiyou SW side Mount Shasta, Mount Shasta Forest (private land) 1325 Comment
  CAS-BOT-BC7662  Carex integra John Thomas Howell 1937-7-25 13483 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  HSC69338  Carex jonesii John S. Palmer 1980-8-13 784 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  RSA724914  Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC81977  Carex lenticularis var. impressa Thomas W. Nelson, Jane Nelson 1979-6-16 4862 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  UC1265339  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou n side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL03B Comment
  HSC99657  Carex luzulina Jennifer Whipple 1976-7-2 1248 Siskiyou Slopes and meadows near Durney Lake, along stream draining lake 2073 Comment
  JEPS104820  Carex luzulina var. ablata Dean W. Taylor 1996-7-11 15785 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  UC1608360  Carex luzulina var. ablata J. Kierstead 1991-7-3 91 -93 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  HSC29629  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins Area, on trail from Base Camp to Hancock Lake 1974 Comment
  HSC29630  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, on trail NE of Tom's Lake 2165 Comment
  SEINET10850462  Carex mariposana Louis C. Wheeler 1934-7-21 Wheeler 3014 Siskiyou Loose dry soil in sheltered spot. Head of Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W. Mt. Diablo Mer. 2042 Comment
  HSC82005  Carex mendocinensis Thomas W. Nelson, Jane Nelson 1979-6-16 4847 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  RSA794454  Carex multicaulis P. F. Zika, Julie Nelson 2012-6-21 25909 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles east of junction with 42N19, Klamath Range. 1665 Comment
  HSC29654  Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadows 1845 Comment
  HSC76948  Carex multicostata K. T. Stillman 1976-7-14 231 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CHSC40189  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Small drainage ditch along the rd to Copco Lake. 883 Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 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
  CAS-BOT-BC119472  Carex nudata L. P. Janeway 1983-7-30 457 Siskiyou Happy Camp quad. Along N shore Klamath River ca 2.5 mi W of Fort Goff. 396 Comment
  SEINET7569409 Image available Carex nudata David Castaner 1989-6-19 10244 Siskiyou Trinity Creek campground, along highway 3 by Trinity River, north Trinity Center. Comment
  SEINET4290229 Image available Carex pachycarpa Unknown 2008-1 9502 Siskiyou Klamath Ranges; Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. Comment
  CAS-BOT-BC118928  Carex pellita David Daniels Keck 1949-7-20 6366 Siskiyou Meadow's drainage channel below the Darlingtonia swamp, Scott Mt, summit 5360' Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 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. 1676 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
Read comments
Jan 18 2008
  UCD77470  Carex raynoldsii Robert E. Preston 2002-6-21 1868 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1659 Comment
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  HSC90843  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  SEINET7574453 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8789 Siskiyou Scott Mountain 7.5' quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creek let complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CDA33142  Carex scopulorum var. bracteosa Gordon Leppig, Jennifer Kalt 1996-7-9 388 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque west of Little Duck Lake. Comment
  SEINET7575020 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1968-9-5 710 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble, Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  UCR246368  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou Klamath Range (KR), West side Route 3, 0.8 miles north of Soap Creek Road, 3.5 air miles NW of Bally Mountain 1000 Comment
  CAS-BOT-BC117238  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Mt. Shasta. 2590 Comment
  CAS-BOT-BC117242  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC30675  Carex spectabilis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1254 Siskiyou Marble Mtn. Wilderness Area, the New York Flumes, Pine Lake Basin 1860 Comment
  RSA211371  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  CAS-BOT-BC33155  Carex straminiformis William Henry Brewer 1397 Siskiyou Pyramid Peak Comment
  CHSC110081  Carex straminiformis Robert F. Thorne; Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; moist ground of streamlet originating as overflow from large water tank above ski lodge. 2316 Comment
  CAS-BOT-BC115837  Carex subfusca Alice Eastwood; John Thomas Howell 1937-6-26 5060 Siskiyou Near Forks of Salmon Comment
  UC195509  Carex subfusca Geo. D. Butler 1910-5-29 1426 Siskiyou near Yreka Comment
  CAS-BOT-BC115846  Carex subfusca William Bridge Cooke 1938-6-24 11082 Siskiyou Mt. Shasta spring 1524 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  SEINET7579992 Image available Carex vesicaria Veva Stansell 1995-10-1 3013 Siskiyou Whiskey Lake, south of Takilma, OR. 1463 Comment
  CHSC82803  Carex whitneyi L. P. Janeway 2002-7-12 7625 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  JEPS68265  Castilleja L. R. Heckard 1972-5-31 2939 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  HSC509  Castilleja applegatei William J. Ferlatte 1967-6-27 540 Siskiyou Big Flat, near public campground 1524 Comment
  HSC36938  Castilleja applegatei subsp. pinetorum J. P. Smith 1974-5-27 7610 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS57395  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1968-7-2 1970 Siskiyou n side Mt. Shasta (at fork in Bolam road) 1463 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC61065  Castilleja applegatei subsp. pinetorum W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson; Mount Shasta Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  UC722238  Castilleja applegatei subsp. pinetorum C. L. Hitchcock and J. S. Martin 1939-7-9 5327 Siskiyou 0.5 mi se King's Castle; Marble Mts. Comment
  UC1713293  Castilleja arachnoidea Annie M. Alexander and L. Kellogg 1911-8-14 Siskiyou Mt. Eddy Comment
  UC922479  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1949-7-20 5813 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  HSC76698  Castilleja glandulifera K. T. Stillman 1976-8-9 218 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  JEPS19682  Castilleja lacera Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5939 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  CAS-BOT-BC254014  Castilleja miniata Alice Eastwood 1921-7-24 10790 Siskiyou Castle Lake Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  LA209238  Castilleja miniata Alice Eastwood; 1939-8-24 Siskiyou Mount Shasta, Squaw Valley Creek meadows 2438 Comment
  JEPS3851  Castilleja miniata subsp. elata W. L. Jepson 1937-7-30 18560 Siskiyou headwaters of Indian Creek; Poker Flat 1584 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
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  RSA428399  Castilleja pruinosa M. B. Dunkle 1944-7-18 9132 Siskiyou Siskiyou National Forest. Comment
  JEPS66225  Castilleja tenuis T. I. Chuang and L. R. Heckard 1971-6-15 6924 Siskiyou 5.6 mi w U.S. Highway 97 (on Ball Mt. Road) 1584 Comment
  RSA1103  Ceanothus cordulatus E. R. Johnson 1928-8-31 1198 Siskiyou Betw Battle and McCloud Comment
  CAS-BOT-BC50250  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mi. below Dunsmuir 670 Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD111994  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Siskiyou Along Highway 89, 0.5 mile east of South Mount Shasta Blvd., south of Mount Shasta. 1066 Comment
  SEINET3110810  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Road 8 to Sugar Creek trail; approx 4 miles from Hwy 3. Comment
  UC163692  Ceanothus sanguineus Geo. D. Butler 1909-5-30 771 Siskiyou Humbug Mountains Comment
  JEPS89111  Ceanothus tomentosus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
Read comments
May 9 2008
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  UC1190266  Ceanothus velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches of China and Blind Horse Creeks 1463 Comment
  SEINET5339428  Ceanothus velutinus G. Butler 1910-6-5 1480 Siskiyou Shackleford Creek 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
  CDA36772  Centaurea virgata var. squarrosa D. B. Joley 1976-6-24 4 Siskiyou Hawkinsville. 0 Comment
  RSA181620  Cephalanthera austiniae Dorothy Parker 1950-7-9 476 Siskiyou Salmon Mountain 915 Comment
  CAS-BOT-BC384969  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC207626  Cercis occidentalis Doris K. Kildale 1929-5-31 9123 Siskiyou Cecilville, south fork of Salmon River. Comment
  CAS-BOT-BC135401  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout - Siskiyou Mts. 1066 Comment
  UC165741  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-10 1166 Siskiyou near Yreka Comment
  HSC63032  Cercocarpus montanus var. glaber J. P. Smith 1973-5-5 6506 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  JEPS44093  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35177 Siskiyou Bolem Road Mt. Shasta 1524 Comment
  UC90119  Chaenactis douglasii var. douglasii K. Brandegee 1887-1 Siskiyou Montague Shasta Valley (6 mi e of Yreka) Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC276760  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  RSA142692  Chaenactis douglasii var. douglasii Philip A. Munz 1960-8-22 24179 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  RSA238764  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou near the summit of 'Little Medicine Mt.' adjacent to Red Fir Forest, north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA78943  Chamaebatiaria millefolium E. K. Balls, Percy C. Everett 1952-10-12 18170 Siskiyou Modoc Lava Beds Monument, road from Indian Well to Tule Lake, 0.5 miles from Indian Well Ranger Station. 1433 Comment
  SBBG29101  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  SEINET515846  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  CAS-BOT-BC141586  Chamaebatiaria millefolium V. June Wetherell 1961-8-9 492 Siskiyou Lava Beds National Monument Comment
  UCD126574  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
  CDA4788  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). . 0 Comment
  RSA480966  Chamaesyce maculata L. C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  JEPS52362  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou near Yreka; McNulty Ranch Comment
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May 7 2008
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC2026485  Cheilanthes gracillima Louis C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  UCD78126  Cheilanthes gracillima Robert E. Preston 2001-6-23 1574 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  RSA331961  Cheilanthes gracillima W. Wisura, Dave Kelly 1985-7-30 4075 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC1216706  Chenopodium album W. B. and V. G. Cooke 1962-8-19 33545 Siskiyou in clearings along Memorial Highway; Mt. Shasta Comment
  UC851036  Chenopodium botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson 1074 Comment
  HSC59894  Chenopodium chenopodioides R. & G. Pederson 1979-10-10 100 Siskiyou Lower Klamath National Wildlife Refuge, S unit 6 Comment
  HSC4387  Chenopodium leptophyllum D. M. Thomson 1965-8-6 167 Siskiyou Lava Beds National Monument, S side of Cauldwell Butte Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CDA38837  Chimaphila umbellata subsp. occidentalis F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  CDA32102  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  POM208524  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
  UC705920  Chrysolepis chrysophylla var. chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou 11 mi above Happy Camp (hillside along Indian Creek); Indian Creek Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  SEINET13952964 Image available Chrysolepis sempervirens E. K. Balls 1949-1 13923 Siskiyou 5 miles from Callahan, by junction of road to Tangle Blue Lake from Scott Mt. southern Siskiyou. 4,500 ft. 152 Comment
  RSA167214  Chrysothamnus nauseosus subsp. albicaulis Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mts. Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  UCD127278  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  RSA239135  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  SD110302  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below a log truck loading area, both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CDA1187  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville; Humbug Rd., about 2 mi. W of Hwy 263, BLM land. 0 Comment
  CDA1190  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou 3 mi. N/ Yreka; Jim Sewell property, near junction Anderson Grade Rd. & Hwy 263 Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  UC166658  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
  CAS-BOT-BC286472  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Klamath Mountains. Hiwy 99, 4 mi. S of Gazelle Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  UC54446  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4174 Siskiyou Fall River Springs Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  RSA12600  Clarkia rhomboidea Carl B. Wolf 1934-7-6 5986 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 Comment
  RSA238296  Claytonia rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC36957  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7557 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC443814  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 207 Siskiyou Castle Creek Comment
  HSC39746  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-4 2089 Siskiyou Along Sugar Creek 823 Comment
  HSC4465  Claytonia sibirica William J. Ferlatte 1967-6-5 490 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  HSC96796  Clinopodium douglasii S. Lyon 2006-6-29 8 Siskiyou E side of Eddy gulch Rd., 3.3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500961  Clintonia uniflora Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp near Oregon-California Line Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS3895  Collinsia parviflora George D. Butler 1909-3-19 560 Siskiyou near Yreka (along creek on Butler's Ranch); Butler's Ranch Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  JEPS74523  Collinsia torreyi var. latifolia W. J. Ferlatte 1966-6-22 99 Siskiyou between the campground and Carter's, along South Fork Salmon River Carter's; Trinity Alps, South Fork Salmon River 1524 Comment
  JEPS71029  Collomia grandiflora Geo. D. Butler 1908-8-9 106 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  RSA238791  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou northwest of Little English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA409235  Collomia heterophylla L. C. Wheeler 1934-8-5 3046 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC94908  Collomia tinctoria R. C. Wenk 2005-7-15 202 Siskiyou Trinity Alps, above S Fork of Salmon River, along Yellow Rose Mine Trail 1767 Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  HSC44944  Collomia tinctoria J. O. Sawyer 1978-6-18 3238 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  HSC74913  Collomia tracyi J. P. Smith 1978-5-28 9953 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  CAS-BOT-BC180420  Comandra umbellata subsp. californica Alice Eastwood 1923-5-20 11879 Siskiyou Shasta Springs Comment
  JEPS15750  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou Yreka Comment
  SEINET5765338 Image available Corallorhiza maculata W. Bridge Cooke 1937-1 9225 Siskiyou Mt. Shasta, California 1829 Comment
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  RSA237633  Corallorhiza mertensiana Frederick W. Oettinger 1969-7-14 1022 Siskiyou Trail from Charmaine Lake to English Lake; Salmon Mounatins, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area 1921 Comment
  CHSC105581  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte trail. Lat. and Long. indicated +/- 36 feet. 1353 Comment
  UCD123168  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road. 993 Comment
  RSA264956  Cordylanthus tenuis subsp. viscidus Gilbert Muth 1975-7-31 6181 Siskiyou Near Joe Creek. Near Seiad Valley. 1317 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  RSA0019560  Cornus californica C. B. Wolf 1934-7-6 5988 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  POM78082  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek. Comment
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Jan 23 2011
  CAS-BOT-BC212050  Cornus nuttallii Marion Ownbey; D. H. Brown 1941-6-22 2426 Siskiyou Road between Craggy Mountain, and Deadwood Lookout northwest of Yreka Comment
  CAS-BOT-BC212070  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou Walker Creek, a tributary of the Klamath River, east end of Seiad Valley 609 Comment
  HSC19271  Cornus nuttallii J. O. Sawyer 1968-6-19 252 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  HSC33970  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC210396  Cornus sericea Doris K. Kildale 1928-8-18 6455 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  RSA8556  Cornus stolonifera Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River. Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  SEINET10543254  Crataegus douglasii Louis C. Wheeler 1934-6-27 Wheeler 2804 Siskiyou Along seasonal creek in flat valley, Cottonwood Creek. Siskiyou Mts. 2900 feet. S15, T48N, R7W, Mt. Diablo Mer. Comment
  CAS-BOT-BC290478  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  OBI80265  Crepis acuminata David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 518 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  HSC19046  Crepis pleurocarpa J. O. Sawyer 1969-7-18 1390 Siskiyou Head of S Russian Creek 1829 Comment
  UCR51766  Crocidium multicaule L. C. Wheeler 1935-5-5 03463 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  SEINET12280691  Cryptantha affinis Unknown 1936-1 13062 Siskiyou near Hornbrook Comment
  CHSC63600  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1994-8-10 6455 Siskiyou Pilgrim Creek Rd. (FS 13) just E of Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CHSC97392  Cryptantha ambigua Jenny Marr 2006-6-18 228 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  RSA715935  Cryptantha flaccida L. Ahart 2005-6-10 12070 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  HSC63984  Cryptantha torreyana J. P. Smith 1976-5-22 8783 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  SEINET6166400 Image available Cryptogramma crispa subsp. acrostichoides W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC80559  Cupressus bakeri John Thomas Howell 1934-7-4 12386 Siskiyou between Timbered Crater and Little Hot Springs Valley Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  NY16604  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  RSA1659  Cupressus bakeri C. B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA22758  Cupressus bakeri O. V. Matthews 1939-7-22 40 Siskiyou North side of Lava Road 3.7 miles E of jct. with county road for Day 1220 Comment
  RSA17605  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6170 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  SEINET4467566 Image available Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-1 6169 Siskiyou Comment
  JEPS24621  Cupressus lawsoniana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6774 Siskiyou on river bank directly opposite Mossbrae Falls (between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  UC60899  Cupressus lawsoniana W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou near Suies (Sisson); Mount Shasta, Sacramento Canyon Comment
  UCR243141  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake 1232 Comment
  UC618828  Cycladenia humilis var. humilis unknown 1938-7-28 11380 Siskiyou ridge n. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  UC1045271  Cycladenia humilis var. humilis unknown 1940-6-7 15110 Siskiyou along Pacific Hwy. near Black Butte Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  SEINET10497518  Cynoglossum occidentale Mary Merello 1993-6-25 Merello 718 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UCR247492  Cynoglossum officinale Ashley Knight 2012-7-16 s.n. Siskiyou Shasta/Trinity National Forest, slightly west of Slagger Camp Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114693  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou On Klamath River, 14 mi above Happy Camp Comment
  CAS-BOT-BC114108  Cyperus squarrosus Cyrus Guernsey Pringle 1881-8-16 s.n. Siskiyou Flora of the Pacific Slope. Comment
  UC54208  Cypripedium californicum H. M. Hall and E. B. Babcock June, 1903 4043 Siskiyou 18th crossing Sacramento River (near Sisson); Mount Shasta Comment
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Apr 14 2016
  HSC19012  Cystopteris fragilis J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC70706  Cystopteris fragilis L. B. Kildale 1930-6-1 9851 Siskiyou Summit between Sawyers Bar and Etna Mountain Comment
  RSA184806  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou Marble, off trail to lookout, Marble Mountains. 1829 Comment
  HSC58388  Danthonia californica Butler 1971-8-11 286 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction. 2073 Comment
  POM205938  Danthonia californica var. americana Copeland 1903-9-6 3789 Siskiyou Mt. Eddy Comment
  UCR19365  Danthonia californica var. americana John C. Roos 1965-8-8 s.n. Siskiyou Marble Mtns., Middle Sky High Lake Comment
  CAS-BOT-BC194396  Danthonia intermedia Wm. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows - Mount Shasta 2590 Comment
  CAS-BOT-BC76230  Darlingtonia californica Doris K. Kildale 1929-8-25 9019 Siskiyou Near Youngs Valley on trail to Preston Peak. 1524 Comment
  CAS-BOT-BC76232  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CAS-BOT-BC76246  Darlingtonia californica Mrs. John Massin 1894-8-6 s.n. Siskiyou Upper Soda Springs. Comment
  JEPS82708  Darlingtonia californica Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy (Road 17 up); n side Mt. Eddy 1706 Comment
  RSA120753  Darlingtonia californica S. Tillett 1956-7-11 679 Siskiyou Both sides of Scott Mountain divide near campground; Siskiyou-Trinity Co. lines, 8 miles SE of Callahan [Siskiyou-Trinity counties]. 1616 Comment
  UC11154  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near stream Mt. Shasta Comment
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Nov 6 2019
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  CAS-BOT-BC420664  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC420662  Darmera peltata L. E. Smith 1942-5-13 155 Siskiyou Dunsmuir Comment
  POM211409  Datura stramonium Louis C. Wheeler 1934-10-28 3350 Siskiyou Yreka. 823 Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  HSC19077  Delphinium andersonii J. O. Sawyer 1969-6-2 1017 Siskiyou Summit above Albert Lake 2256 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  HSC68541  Delphinium depauperatum Maralyn A. Renner 1980-6-24 1063 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  UC467749  Delphinium glaucum Annie M. Alexander and L. Kellogg 1911-7-30 304 Siskiyou Hd. Rush Cr. 1950 Comment
  JEPS23356  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou w Yreka; Humbug Divide Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC118070  Delphinium nuttallianum George Dexter Butler 1910-3-24 1142 Siskiyou Shasta River Hills Comment
  HSC78190  Delphinium nuttallianum L. P. Janeway 1983-7-10 405 Siskiyou Poker Flat 1524 Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  UC1949313  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1900-7-14 9320 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
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  SJSU11325  Deschampsia cespitosa subsp. holciformis S. H. Casey 1981-7-4 1217 Siskiyou near Cook & Green Pass Seiad Creek Rd, Siskiyou Mts. c. 8 mi N of Seiad Valley 1524 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  HSC92279  Deschampsia elongata Jennifer Whipple 1978-10-6 2409 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CHSC86663  Descurainia pinnata subsp. halictorum Jenny Marr 1993-7-1 46 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC144140  Descurainia sophia Geo. D. Butler 1908-6-20 120 Siskiyou near Yreka (Butler's Ranch) Comment
  UCD114794  Descurainia sophia Roseman 1913-1 41 Siskiyou Butte Valley. Comment
  RSA74750  Dicentra formosa subsp. oregana Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  HSC44875  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-16 4022 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  POM109926  Dichelostemma multiflorum Geo D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CAS-BOT-BC291007  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  UC609337  Dieteria canescens var. shastensis Eleanor Burks Hart 1938-8-16 943 Siskiyou Lower Wright Lake 2225 Comment
  RSA238718  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1049 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC29258  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At 'Base Camp Meadow' between Diamond and Hancock Lakes 201 Comment
  CAS-BOT-BC26728  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  HSC75120  Downingia yina J. P. Smith, Thomas W. Nelson 1979-6-16 10140 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41415  Draba verna A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3419 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  UC1114140  Draba verna Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 231 Siskiyou on the road to Callahan 7.8 mi from Gazelle (at the point where the road first crosses Willow Creek); Willow Creek, 7.8 mi from Gazelle 1066 Comment
  CHSC29779  Drosera rotundifolia M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2784 Siskiyou Bog around Cedar Lake. ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  HSC18765  Drymocallis glandulosa D. M. Thomson 1965-8-21 201 Siskiyou California Lave Beds N.M., Devil's Homestead Lava Flow Comment
  CAS-BOT-BC158411  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1938-9-8 11602 Siskiyou Mt. Shasta 2590 Comment
  JEPS57170  Drymocallis pseudorupestris var. saxicola L. R. Heckard 1967-8-13 1705 Siskiyou Summit Region of Mount Eddy Mount Eddy; Summit Region of Mount Eddy 2743 Comment
  CHSC88375  Eleocharis bella Jenny Marr 1993-7-1 181 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  CHSC107110  Eleocharis parishii R. E. Brainerd 2009-7-23 1573 Siskiyou Klamath Mountains, 4.4 air miles east of Callahan, north side of Scott Mountain, 1.5 miles north of Scott Mountain Pass on State Highway 3. UTM Zone 10 523244E 4571568N. 1426 Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  UCD61416  Elymus elymoides Dean Wm. Taylor 1975-8-14 5365 Siskiyou Subalpine slopes and alpine openings in subalpine forest, between Shasta Ski area and Green Butte, Mt. Shasta. 2590 Comment
  CAS-BOT-BC207373  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  UC1265447  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  HSC22476  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1640 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC38714  Elymus elymoides var. elymoides J. D. Ackerman, A. M. Montalvo 1975-7-18 574 Siskiyou S Fk of Sacramento River, off USFS Rd. 40N30. Between Mt. Eddy and Boulder PK. SW of Mt. Shasta City. Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC235219  Elymus multisetus John Thomas Howell 1952-6-14 28344 Siskiyou 9.5 miles from Ft. Jones on road to Callahan 853 Comment
  HSC10972  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC41378  Elymus multisetus J. P. Smith 1976-5-22 8786 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC94895  Epilobium angustifolium R. C. Wenk 2006-9-2 547 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  JEPS117458  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC1045239  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-5 15409 Siskiyou Wagon Camp Mount Shasta, Onion Creek (along creek) Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  POM248154  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-8-22 13881 Siskiyou Mount Shasta: along the large Wagon Camp Creek. 1738 Comment
  UC1409432  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger and R. F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (near English Lake, w Siskiyou Co.) 1828 Comment
  HSC96323  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 474 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC94897  Epilobium glaberrimum subsp. fastigiatum R. C. Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2164 Comment
  UC618827  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs Mount Shasta Comment
  POM254606  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-22 15472 Siskiyou Mount Shasta: near Clear Creek in Mud Creek Canyon 1982 Comment
  RSA50228  Epilobium glaberrimum subsp. glaberrimum E. K. Balls 1949-7-9 13936 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  RSA264966  Epilobium hallianum Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC49640  Epilobium hallianum Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  POM222043  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-7-26 13739 Siskiyou Near the sources of the springs which feed the creeks in Panther Creek Meadows; Mount Shasta 2439 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC422957  Epilobium minutum Milo S. Baker Siskiyou Lava bed Fall River Valley Comment
  UC1096837  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou w. side of camp Big Flat Public Camp (along footpath leading to spring); Klamath Nat'l Forest 1524 Comment
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  HSC91434  Eremogone congesta Jennifer Whipple 1976-7-9 1397 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CHSC84756  Eremogone congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge. 1786 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  UC163915  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou old field near road n Goosenest Mountain Comment
  UC618705  Ericameria bloomeri unknown 1938-9-17 11687 Siskiyou on the slopes around Horse Camp; Mount Shasta 2438 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  UC894742  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  HSC34657  Ericameria nauseosa var. speciosa Thomas W. Nelson, J. O. Sawyer 1974-10-29 1741 Siskiyou Hwy. 3, just S of Calaghan Comment
  SEINET8079190 Image available Ericameria nauseosa var. speciosa Unknown 1919-10-3 s.n. Siskiyou Near Yreka Hills Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
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Jul 18 2018
  JEPS84324  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6500 Siskiyou ca 15 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 2000 Comment
  CAS-BOT-BC294897  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29238  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; WNW of and above Upper English Lake 2012 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  UC1299458  Erigeron eatonii var. plantagineus Freed W. Hoffman 1948-7-12 2459 Siskiyou Little Shasta to Mt. Hebron road 10 mi w Mt. Hebron 1615 Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  CAS-BOT-BC296124  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  UCD131987  Erigeron inornatus Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  UC179496  Erigeron inornatus var. inornatus A. A. Heller 1914-8-25 11717 Siskiyou along the railroad embankment near Deetz station (opposite Black Butte) 1158 Comment
  POM39277  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain. 1067 Comment
  RSA777991  Erigeron inornatus var. inornatus C. B. Wolf 1934-7-7 6031 Siskiyou 2 miles north of Shasta Springs 945 Comment
  UC618632  Erigeron nivalis W. Bridge Cooke 1938-7-28 11361 Siskiyou Mount Shasta, n ridges, Hudsonian Mount Shasta (near timberline) 2895 Comment
  RSA215642  Erigeron peregrinus subsp. callianthemus Gilbert Muth 1969-8-7 1266 Siskiyou Boulder Peak Ridge 2470 Comment
  HSC44483  Erigeron philadelphicus K. Irwin 1977-5-22 396 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  CAS-BOT-BC224135  Eriodictyon californicum D. E. Breedlove 1962-6-11 3343 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  POM267114A  Eriogonum baileyi var. baileyi L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  HSC69010  Eriogonum compositum Maralyn A. Renner 1980-7-24 2033 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  CAS-BOT-BC250063  Eriogonum compositum var. compositum Lillian Mott 1976-7-4 28 LM76 Siskiyou Cook and Green Pass road north of Seiad Valley at waterfowl 1463 Comment
  RSA237750  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 199 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC516180  Eriogonum douglasii var. meridionale Dana York 2011-9-8 3083 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along summit of Marble Mountain, ca. 2.1 km N of Black Marble Mountain 2120 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  RSA237752  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1967-7-30 229 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC263660  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou Light Hill Road near Fort Jones Comment
  UC1299733  Eriogonum luteolum var. luteolum Freed W. Hoffman 1948-7-8 2564 Siskiyou 19.7 mi e on Klamath River road Happy Camp; North Coast Ranges Comment
  POM165282  Eriogonum marifolium E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2348 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  UC912735  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou near Pilgim Creek nursery Comment
  UCD100380  Eriogonum marifolium Beecher Crampton 1956-8-22 3865 Siskiyou Wagon Camp Road, south slope of Mt. Shasta. 1828 Comment
  SEINET7064424  Eriogonum nudum var. nudum A. G. Vestal 1963-6-8 s.n. Siskiyou Very weedy field south of Yreka and north of Grenada on the Montague-Grenada Road. (NAD83/WGS84). UTM 10, 539777mE, 4612156mN. 229 Comment
  UC1408819  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou n Hancock Lake (summit of Red Hill); Salmon Mountains, Marble Mountain Wilderness Area 2087 Comment
  CAS-BOT-BC261615  Eriogonum nudum var. nudum Gilbert Muth 1965-8-10 s.n. Siskiyou Through Marble Valley & ridges Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  CAS-BOT-BC272477  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-8-4 10024 Siskiyou Near Mammoth Crater, Medicine Lake road, Lava Beds National Monument Comment
  HSC17318  Eriogonum nudum var. pubiflorum Jerry Parker 1968-10-6 124 Siskiyou Scott Mtn. Rd. Comment
  POM165266  Eriogonum nudum var. pubiflorum E. B. Copeland 1903-7-3 3526 Siskiyou Klamathon. Comment
  UC637180  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou e mouth of Walker Creek (a tributary of the Klamath River) (e end of Seiad Valley); Seiad Valley 441 Comment
  CAS-BOT-BC268580  Eriogonum siskiyouense Alice Eastwood 1912-8-30 2009 Siskiyou Mount Eddy Comment
  CAS-BOT-BC262764  Eriogonum strictum var. anserinum Peter H. Raven 1956-9-4 10375 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  CAS-BOT-BC267956  Eriogonum umbellatum Maralyn A. Renner 1980-8-21 2603 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge 2286 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  HSC30405  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou Marble Mtn. Wilderness Area, S running ridge of English Peak 2210 Comment
  HSC43411  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-17 266 Siskiyou Marble Mtn. Wilderness Area, ridge above Elk Valley on W side 1951 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  UC163831  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-9 214 Siskiyou summit s Marble Valley Comment
  UC849386  Eriogonum umbellatum var. dumosum Alice Eastwood 1921-7-25 10802 Siskiyou Pilgrim Creek nursery Pilgrim Creek Comment
  UC1413439  Eriogonum umbellatum var. goodmanii James L. Reveal, Caroline G. Reveal 1974-8-18 3799 Siskiyou along the road to Bolan Mountain Lookout 1.4 mi e O'Brien-Happy Camp road; Siskiyou Mountains 1645 Comment
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Nov 15 2011
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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Jul 11 2010
  RSA420576  Eriogonum umbellatum var. nelsoniorum Louis C. Wheeler 1934-7-3 2846 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 1768 Comment
  UC1312940  Eriogonum umbellatum var. nevadense J. M. Tucker and L. K. Mann 1963-8-18 3761 Siskiyou top of saddle between Marble and sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  POM165270  Eriogonum umbellatum var. polyanthum W. A. Setchell, C. Dobie 1902-07 4113 Siskiyou Session Mt. Shasta. Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC43066  Eriogonum vimineum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC17390  Eriogonum vimineum Jerry Parker 1968-10-6 125 Siskiyou Scott Mtn. Rd. Comment
  POM105146  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Summer Fallow Fish near Yreka Comment
  SEINET5332083  Eriogonum vimineum G. Butler 1910-7-31 1806 Siskiyou Summer fallow fields area, Yreka. Comment
  POM185511  Eriophorum crinigerum Copeland 1903-8-18 3902 Siskiyou Mt. Eddy. Comment
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Jan 23 2011
  CAS-BOT-BC301113  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC301450  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1937-7-3 37392 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  POM214005  Eriophyllum lanatum var. grandiflorum Isabelle C. Kimber 1934-6-9 26 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  POM358038  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1957-6-24 s.n. Siskiyou Near top of Gazelle Mt., Scott Mts. 1463 Comment
  CAS-BOT-BC308282  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC301717  Eriophyllum lanatum var. lanceolatum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  SEINET8687267 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  UC1540015  Erodium cicutarium Mitchell 1936-5-14 22 Siskiyou Canby Cross Lava Beds National Monument 1249 Comment
  JEPS24799  Eryngium articulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6808 Siskiyou ca. 3 mi. n.w. Weed (head of Shasta Valley) 975 Comment
  UC140641  Eryngium articulatum Dr. E. B. Copeland 1903-8-13 3819 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC54573  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  JEPS80560  Erysimum perenne Gilbert Muth 1965-8-6 182 Siskiyou trail on backside of mt Marble Mt. Wilderness Area, Black Mountain 1981 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  CDA3712  Erysimum repandum F. D. Horn 1980-4-3 Siskiyou Dennis Lane west of railroad tracks, Klamath River Estates, Hornbrook. 0 Comment
  SJSU6271  Erythranthe cardinalis R. W. Trivelpiece 1971-8-27 87 Siskiyou near Lake Mt Lookout c. 6.5 mi SE of town of Seiad Valley, Marble Mts 1828 Comment
  CHSC71502  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1998-7-21 9359 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SD76171  Erythranthe moniliformis Helen V. Witham 1969-10-7 583 Siskiyou edge of stream, Scott R. 10 miles west of Fort Jones 700 Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC505226  Erythronium grandiflorum A. M. Vollmer; L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Highway Comment
  SEINET7042815  Eschscholzia californica A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  RSA433517  Euphorbia spathulata W. Bridge Cooke 1940-6-20 15154 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. Comment
  CDA38003  Euphorbia virgata CDFA Staff Jun 1973 s.n. Siskiyou Dorris. 0 Comment
  JEPS31881  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC310639  Eurybia radulina Doris K. Kildale 1929-8-7 8953 Siskiyou Base of K_by [?] Peak 457 Comment
  CAS-BOT-BC278730  Festuca idahoensis Lewis S. Rose 1945-6-18 45070 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 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
  LA13197  Festuca idahoensis Louis C. Wheeler; 1934-6-7 2658 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  CAS-BOT-BC278877  Festuca occidentalis Alice Eastwood 1923-5-27 11963 Siskiyou Shasta Springs Comment
  HSC22164  Festuca occidentalis J. O. Sawyer 1968-9-28 745 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UCD66286  Festuca roemeri A. A. Heller 1921-7-17 13580 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  HSC32288  Festuca subuliflora J. O. Sawyer 1970-6-17 2206 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  CAS-BOT-BC437077  Fragaria vesca subsp. bracteata G. P. Rixford No date on label. s.n. Siskiyou Hilt Comment
  UC375379  Fragaria virginiana subsp. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek Log Lake Meadows (edge of Log Lake Meadows) Comment
  HSC100197  Frangula californica J. P. Smith, & J. O. Sawyer 2011-9-6 13421 Siskiyou Along East Moffett Creek Road 983 Comment
  CHSC71323  Frangula rubra Vernon H. Oswald; Lowell Ahart 1998-6-11 9188 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
  POM208196  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  CAS-BOT-BC223579  Fraxinus latifolia A. M. Vollmer; L. Beane 1951-6-2 46 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC36746  Fraxinus latifolia Brent Whitely 1975-6-22 25 Siskiyou 220 Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  JEPS25566  Fritillaria atropurpurea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7191 Siskiyou just e of Mount Shasta Ski Bowl Lodge (at upper end of Everitt Highway, Mount Shasta); Mount Shasta, Everitt Highway 2346 Comment
  SBBG994  Fritillaria atropurpurea H. and M. Dearing 1939-6-28 2185 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UC13828  Fritillaria atropurpurea Harley P. Chandler June, 1901 1592 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1981 Comment
  UC375207  Fritillaria atropurpurea Geo. D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  POM109736  Fritillaria atropurpurea Geo D. Butler 1910-4-24 1235 Siskiyou Kidder Creek Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  CAS-BOT-BC504467  Fritillaria recurva Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  HSC39778  Fritillaria recurva J. O. Sawyer 1970-4-4 2079 Siskiyou Along Sugar Creek 823 Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  UCD132354  Gaillardia aristata T. C. Fuller; G. D. Barbe 1972-6-14 947 Siskiyou in pasture north of Weed, ca. 1 mile north of US 97 on Hoy Road. Comment
  POM367630  Galium M. B. Dunkle 1945-7-22 9243 Siskiyou Marble Mtns. Klamath National Forest. Comment
  HSC19792  Galium aparine R. C. Wunner 1965-6-15 189 Siskiyou California Lava Beds National Monument; SE side of Caldwell near cinder pit 1433 Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  RSA264982  Galium bifolium Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  UC1949249  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  UCD121773  Galium grayanum Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain. 2133 Comment
  RSA261381  Galium grayanum var. grayanum J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3755 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS27650  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  HSC39829  Galium triflorum J. O. Sawyer 1969-7-18 1398 Siskiyou Above S Russian Creek 1905 Comment
  RSA238875  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Along the trail on the E side of Hancock Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UCD121956  Galium triflorum J. P. Smith; Steve Selva 1970-7-16 4397 Siskiyou Blue Mountain. Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  JEPS101165  Garrya fremontii Dean W. Taylor 1996-6-19 15711 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  HSC65278  Gaultheria ovatifolia Rich White 1977-6-4 81 Siskiyou 1/2 mi. from Buck Lake 1244 Comment
  UC334242  Gaultheria ovatifolia unknown 1879-1 Siskiyou near Shasta Comment
  HSC185  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-18 413 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CHSC1133  Gayophytum heterozygum V. Holt 1932-7-15 Siskiyou S.S. Campus, Mt. Shasta City. 1097 Comment
  RSA120944B  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA237868  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake Comment
  CAS-BOT-BC376175  Gentiana calycosa Andrew Townesmith; Karen M. Meyer 2007-8-1 878 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  UC878464  Gentiana calycosa Alice Eastwood 1912-8-30 2042 Siskiyou Mount Eddy Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  SEINET8586417  Gentiana newberryi M. J. Williams 1967-9-2 s.n. Siskiyou Mount Eddy, Deadfall Lake Trail. 1951 Comment
  JEPS24352  Gentiana plurisetosa Geo. D. Butler 1908-8-3 419 Siskiyou Log Lake Shackelford Creek 1737 Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  CAS-BOT-BC143588  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 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
  SEINET7073523  Gilia capitata A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  HSC41802  Gilia capitata subsp. capitata Brent Whitely 1975-7-8 147 Siskiyou Klamath National Forest 762 Comment
  JEPS105005  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS101158  Glossopetalon spinescens var. aridum Dean W. Taylor 1996-6-18 15703 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC61788  Glyceria elata Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC282841  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD53391  Glyceria striata Darley F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., pool of water 1524 Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  UC1186477  Hackelia bella John H. Weiler, A. P. Nelson 1960-6-26 60221 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  CHSC154  Hackelia californica V. Holt 1932-6-23 Siskiyou McCloud River. Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  UC726512  Hackelia californica A. A. Heller 1916-6-22 12426 Siskiyou near Sisson 1074 Comment
  CDA40628  Hackelia californica T. C. Fuller 1962-6-13 8975 Siskiyou Highway 89 to McCloud, 1.2 miles west of Bartle. 0 Comment
  HSC78208  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  POM254142  Hackelia micrantha C. L. Hitchcock 1939-7-9 5338 Siskiyou 2 miles south of Black Mt., near Kings Castle. 1829 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. 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
  HSC44848  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3984 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS62096  Hastingsia alba W. L. Jepson 1902-7-19 2082 Siskiyou Forks of Salmon to Cecilville; Salmon <River> Comment
  SBBG1019  Hastingsia alba H. and M. Dearing 1939-6-29 3750 Siskiyou near Callahan Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  UC454437  Hastingsia alba I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC1951320  Hastingsia alba Robert F. Thorne and Fred Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  CAS-BOT-BC302457  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  HSC69358  Helenium bigelovii Maralyn A. Renner 1980-8-21 2581 Siskiyou Kidd Creek 2043 Comment
  HSC81982  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4856 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UC134681  Helenium bigelovii Katharine Curran 1887-7-1 Siskiyou Edgewood Mt. Shasta Comment
  UCR21117  Helenium bigelovii T. W. Fisher, R. E. Orth, Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  UCR24849  Helianthus bolanderi John C. Roos 1948-9-2 3977 Siskiyou Fort Jones 915 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  CDA7040  Hemizonia fitchii C. Shelley 1964-9-15 Siskiyou From yard of Ray Pruett, Yreka. 0 Comment
  JEPS25817  Heracleum lanatum Geo. D. Butler 1908-8-4 463 Siskiyou Shackleford Creek, Log Lake 1524 Comment
  CHSC71302  Hesperochiron californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9203 Siskiyou Dry lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  SEINET5641915  Heterotheca oregona var. rudis John C. Semple, S. Heard 1986-8-16 8481 Siskiyou Forest Hwy 93, 19.6 km E of Salmon Forks, W of Sawyer's Bar, by Forest Service Rd. 40N42.; 0 Comment
  UCD133097  Heterotheca villosa Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1584 Comment
  HSC76962  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS84316  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  CAS-BOT-BC420728  Heuchera cylindrica Elmer I. Applegate 1935-6-6 9356 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument 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
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  UC144318  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou near Sisson Comment
  CAS-BOT-BC425006  Heuchera micrantha var. micrantha Lewis S. Rose 1945-6-18 45107 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS36597  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC1408927  Hieracium albiflorum Frederick W. Oettinger 1969-9-4 1641 Siskiyou Hancock Lake, NW side Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1950 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  HSC60907  Hieracium albiflorum Al Hobart Siskiyou Black Butte Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  RSA721137  Hieracium albiflorum Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  RSA142677  Hieracium gracile P. A. Munz 1960-8-22 24176 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  CAS-BOT-BC316018  Hieracium nudicaule Alice Eastwood 1912-8-30 2080 Siskiyou Mount Eddy Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  HSC44720  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA105338  Holodiscus discolor G. D. Barbe 1955-8-4 357 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  CAS-BOT-BC152381  Holodiscus discolor var. discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  UCR137195  Holodiscus microphyllus M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mtns., Klamath National Forest: King's Castle 2256 Comment
  JEPS95114  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  SEINET515852  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  CDA3420  Holosteum umbellatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2577 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  HSC86565  Hordeum brachyantherum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  UC1157301  Hordeum jubatum W. B. and V. G. Cooke 1966-7-17 37253 Siskiyou Widow Springs Mount Shasta, Widow Springs 1524 Comment
  CAS-BOT-BC285077  Hordeum marinum subsp. gussoneanum Louis C. Wheeler 1934-6-16 2721 Siskiyou Ditch Creek, Siskiyou Mts. 822 Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  HSC18932  Horkelia daucifolia var. daucifolia J. O. Sawyer 1969-6-12 925 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  CAS-BOT-BC201121  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  UCD106152  Hosackia oblongifolia R. Tofsrud; J. M. Tucker 1948-8-3 1777 Siskiyou 3 miles (by road) below summit of Happy Camp -- Waldo (Oregon) road. Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC312574  Hulsea nana W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Eddy Mountain Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  JEPS82677  Hydrophyllum occidentale Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1935 Comment
  SEINET5518642  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  JEPS109404  Hypericum formosum var. scouleri Dean W. Taylor 2004-7-19 19187 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC187747  Hypericum formosum var. scouleri Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  CAS-BOT-BC401284  Hypericum perforatum Carl B. Wolf 1927-8-26 1094 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  UC164139  Ipomopsis aggregata Geo. D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek 1219 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  JEPS17220  Iris chrysophylla J. W. Blankinship 1909-11-6 Siskiyou Dunsmuir Comment
  CAS-BOT-BC133543  Iris hartwegii W. R. Dudley 1893-6-12 s.n. Siskiyou Wm. Creek Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  RSA136360  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21801 Siskiyou 1.5 mile east of McCloud, State Highway 89 1006 Comment
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC88658  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  CAS-BOT-BC88659  Isatis tinctoria Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones. Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  CDA24281  Isopyrum stipitatum F. D. Horn 1978-3-1 Siskiyou West of Hawkinsville, along North Humbug Road, north of Yreka. 0 Comment
  HSC75159  Ivesia pickeringii Kenneth M. Balk, Miles Dwan 1980-7-18 414 Siskiyou Near mule Creek, just off Hwy. 3 between Callahan and Scott Mtn. Campground 1280 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  HSC71107  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4502 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  POM176294  Juncus bufonius var. bufonius E. B. Copeland 1903-7-7 3555 Siskiyou Hornbrook. Comment
  JEPS84100  Juncus ensifolius L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6376 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  CHSC70198  Juncus nevadensis Jennifer Whipple 1978-10-6 2431 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  CHSC71610  Juncus orthophyllus Vernon H. Oswald; Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along roadside drainage. 1554 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  JEPS84033  Juncus orthophyllus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6383 Siskiyou ca 1.5 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UC1037460  Juniperus occidentalis Douglas Barbe 1955-6-28 19 Siskiyou 0.6 mi n Callahan (50 yds from the road in a dry gulch); Klamath Mountains 1036 Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  CAS-BOT-BC81241  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. Siskiyou Between Yreka and Humbug Creek Comment
  NY20162  Juniperus occidentalis J. W. Thompson 1936-7-8 13156 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC56353  Kalmia microphylla subsp. microphylla W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Lunch Creek Comment
  RSA782435  Keckiella corymbosa R. W. Spjut, Paul Burchstead 2008-6-12 16346 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  RSA293265  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath River. On CA 96 along the Klamath River between Swillup Creek and Coon Creek, ca 17 miles south of Happy Camp. 300 Comment
  UC457143  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou 4.5 mi from Mt. Shasta City (on Horse Camp trail, w flank of Mt Shasta); Mt. Shasta 1828 Comment
  UCSB24792  Keckiella lemmonii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass north of Seiad Valley 1524 Comment
  JEPS12462  Kelloggia galioides W. L. Jepson 1940-6-28 20055 Siskiyou McCloud 975 Comment
  UCR179178  Kelloggia galioides Robert E. Preston 2001-6-23 1559 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1829 Comment
  CDA43045  Kochia scoparia Michael Pitcairn 2014-9-11 s.n. Siskiyou Butte Valley; Dorris. Comment
  POM198424  Koeleria macrantha Geo D. Butler 1910-7-3 1625 Siskiyou Goosenest Foothills 1220 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  OBI55442  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  UC91991  Lactuca canadensis Brandegee Jul 1889 Siskiyou Sissons Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  HSC36777  Lagophylla ramosissima J. P. Smith 1974-5-25 7419 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. Comment
  CAS-BOT-BC204982  Lathyrus jepsonii var. californicus Alice Eastwood 1923-5-23 11937 Siskiyou Cantara, S.P.R.R. Comment
  SEINET5327317  Lathyrus nevadensis G. Butler 1910-6-19 1588 Siskiyou Gonewest foothills 1524 Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CHSC71567  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  HSC81873  Lepidium campestre Barry Silver 1986-5-24 603 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  CHSC38094  Lepidium draba R. E. Preston 1983-7-17 400 Siskiyou At side of Hiram Page Road, across from grave marker, Yreka. 829 Comment
  CAS-BOT-BC89160  Lepidium draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka. Comment
  UC1126705  Lepidium perfoliatum L. Whitney 1934-6-23 4 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  HSC6830  Lepidium virginicum D. M. Thomson 1965-7-10 124 Siskiyou California Lava Beds National Monument, by Information Center, next to parking lot Comment
  HSC17105  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mtn. 1677 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  UC1540138  Lesquerella occidentalis subsp. occidentalis Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9262 Siskiyou Lyons Peak Medicine Lake volcanic highland region, Lyons Peak (extreme ne portion of co.) 2407 Comment
  UC165308  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 1066 Comment
  CAS-BOT-BC341900  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Greenview Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  RSA158035  Leucophysalis nana Jack Major 1961-7-14 637 Siskiyou Along old road to Panther Creek, Mount Shasta. 1800 Comment
  RSA238392  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou N. end of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC229453  Lewisia cotyledon Mrs. A. E. Stonehouse 1917-6-1 s.n. Siskiyou Hilts [Hilt] Comment
  RSA760545  Lewisia cotyledon R. F. Thorne, Frederick W. Oettinger 1969-8-4 63369 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS127644  Lewisia cotyledon var. cotyledon Jurriaan M. de Vos 2014-7-10 312 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, E from Cook and Green pass (Forest Road 1055). 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
  JEPS84275  Lewisia leeana L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6412 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC796570  Lewisia rediviva Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11715 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  HSC26226  Lewisia triphylla J. P. Smith, J. O. Sawyer 1972-5-27 5356 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC283814  Leymus cinereus L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC1034649  Leymus cinereus Milo S. Baker and Douglas Barbe 1955-6-27 13087 Siskiyou on Hwy 99 4 mi s Gazelle; Klamath Mountains 914 Comment
  CDA32477  Leymus triticoides T. C. Fuller 1964-6-25 12247 Siskiyou 0.1 mile south of Meiss Lake-Sam s Neck Rd., ca. 1 mile west of Hwy 97 at Macdoel, Butte Valley 0 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  CAS-BOT-BC436055  Ligusticum grayi John Thomas Howell 1937-7-25 13461 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  HSC96433  Ligusticum grayi Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 482 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509382  Lilium kelleyanum Alice Eastwood 1912-7-18 1215 Siskiyou Sisson Comment
  JEPS61997  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  HSC68341  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-7-4 1427 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69228  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-31 2616 Siskiyou Twin Valley. 1494 Comment
  HSC66256  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-5 1494 Siskiyou Doe Flat 1220 Comment
  POM170288  Lilium pardalinum subsp. wigginsii Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
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Nov 25 2011
  CAS-BOT-BC133022  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  JEPS121399  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir Comment
  JEPS95776  Linanthus bolanderi J. C. Game 1999-7-4 99 -51 Siskiyou about seven miles NNE of Seiad Valley (Copper Butte, W of summit, E of and above Cook and Greene Pass) Comment
  UCSB29033  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-30 8013 Siskiyou NEAR WHITE MOUNTAIN 1828 Comment
  UC163851  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 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
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  POM106317  Lithocarpus densiflorus var. echinoides Edward Palmer 1892-7-13 2561 Siskiyou Mt. Shasta and vicinity. Comment
  RSA96939  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1174 Comment
  RSA68852  Lithophragma campanulatum A. E. Culbertson 1943-6-26 104 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
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA184753  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 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
  HSC76735  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-15 243 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET8756727  Lomatium nudicaule D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  CAS-BOT-BC217791  Lomatium peckianum Lincoln Constance; Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka, Klamath-Siskiyou Region 762 Comment
  UC166152  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou near Yreka Comment
  HSC46209  Lomatium piperi Jennifer Whipple 1976-5-2 912 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  SBBG7340  Lonicera H. and M. Dearing 1938-6-27 2178 Siskiyou near Burney Falls Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA238536  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  UC1408786  Lonicera conjugialis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1275 Siskiyou se side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UC1608337  Lonicera conjugialis J. Kierstead 1991-5-8 90 -58 Siskiyou Lakin Dam on the McCloud River Shasta-Trinity National Forests, McCloud Ranger Dist. 1097 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
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  UC144467  Lotus crassifolius var. crassifolius A. A. Heller 1905-6-5 7972 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  CDA27213  Lotus humistratus D. Osterhandt, Don Shaw 1978-5-18 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  POM27601  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest Foothills. Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  UC61648  Lotus oblongifolius var. oblongifolius Geo. B. Grant Sep 1902 5236 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  UC618836  Luetkea pectinata unknown 1938-9-9 11635 Siskiyou Mount Shasta; around springs in The South Gate, and around upper portion of Squaw Creek Meadows Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  UC1409496  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou ne of Diamond Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 2081 Comment
  UCR101255  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon/Marble Mtns, Facing the Salmon River, a few mi downstream from the Forks of the Salmon. 222 Comment
  SD230175  Luina hypoleuca Louis C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountain Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  SEINET10544018  Lupinus albicaulis subsp. shastensis William B. Cooke 1938-7-29 Cooke 11388 Siskiyou Mt. Shasta, chaparral 1219 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  SEINET7042816 Image available Lupinus albifrons A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  UC796507  Lupinus albifrons var. collinus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11725 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  CAS-BOT-BC196320  Lupinus albifrons var. flumineus K. Morris; LeDoux; Dunn 1973-6-2 336 Siskiyou On Hornbrook to Montague road, about 1 mi SE of Hornbrook Comment
  HSC34658  Lupinus andersonii Thomas W. Nelson, J. O. Sawyer 1974-10-29 1742 Siskiyou Beside Rd. to the Little Duck Lake trail head. Comment
  CHSC82833  Lupinus angustiflorus L. P. Janeway 2002-7-13 7636 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  UC563134  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou ridge on s side Medicine Lake; s side of Medicine Lake 2133 Comment
  RSA622141  Lupinus arbustus subsp. silvicola David B. Dunn, B. J. Cox 1971-6-10 17952 Siskiyou 5 miles north of Weed, on U. S. Highway 97. Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  UC1409231  Lupinus breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou rocky ridge e English Peak Lookout (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2209 Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC215105  Lupinus croceus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains 1889 Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  CAS-BOT-BC215183  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215193  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  SEINET10490747  Lupinus croceus var. croceus James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3971 Siskiyou 20 mi. E of cecilville on the rd. To callahan; mixed conifer forest. 1646 Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  RSA372145  Lupinus klamathensis M. L. Conrad, David B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from Interstate 5 on Highway 3, southwest of Yreka. 915 Comment
  RSA430290  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-1 6968 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  SEINET10485425  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6972 Siskiyou On gravelly roadside, 1.1 mi. From interstate 5 on hwy 3 se of yreka in open Exposed area. 914 Comment
  SEINET11159979  Lupinus klamathensis Morris, K. , Conrad; Dunn, D., Dunn, D. 1973-6-2 357 Siskiyou Siskiyou County Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  RSA78687  Lupinus lapidicola P. A. Munz 1952-7-2 17877 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC609357  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 893 Siskiyou e slope Lower Wright Lake; e slope of Lower Wright Lake 2103 Comment
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  JEPS25582  Lupinus lepidus var. sellulus Rimo Bacigalupi 1959-7-2 7213 Siskiyou eastern outskirts of Weed 1066 Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  RSA166007  Lupinus leucophyllus Donald Myrick 1961-6-21 314 Siskiyou Siskiyou county: on Deer Camp road above oak Knoll Ranger Station on Klamath River 19 miles W of Hwy 99. 1738 Comment
  RSA12506  Lupinus luteolus Carl B. Wolf 1934-7-4 5930 Siskiyou Along Klamath River, 3.5 mi. below Horse Creek Bridge. 457 Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  UCD108619  Lupinus microcarpus Robert E. Preston 1995-6-18 874 Siskiyou ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  SD88330  Lupinus sellulus Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 4000 Comment
  HSC41640  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-6-30 1205 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  HSC92406  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-7-9 1395 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC1223256  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (Del Norte County) in Flint Valley 1432 Comment
  NY16054  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  POM116865  Luzula comosa Geo D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  JEPS66702  Luzula parviflora B. C. Goldsmith 1916-7-23 9 Siskiyou 6 mi from McCloud; McCloud River, 6 mi from McCloud Comment
  HSC59902  Luzula parviflora D. L. Goforth 1979-7-19 254 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin N of upper lake 2134 Comment
  HSC86442  Luzula subcongesta D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  HSC21257  Lycium barbarum R. C. Wunner 1965-7-10 380 Siskiyou Lava Beds National Monument, Indian Well Ranger Station and around superintendent residence 1454 Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  CAS-BOT-BC342670  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou Siskiyou Mountains. Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  UC165406  Madia citriodora Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
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Jan 23 2011
  UC165405  Madia elegans Geo. D. Butler 1909-8-17 950 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento 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
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  HSC61171  Maianthemum racemosum subsp. amplexicaule Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC512768  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1939-8-3 15013 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC514184  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  RSA96706  Maianthemum stellatum Percy C. Everett, E. K. Balls 1954-10-13 20286 Siskiyou Indian Creek Rd., 16.7 mi NW of Happy Camp on Hwy 96. 1128 Comment
  CHSC88106  Matricaria discoidea Jenny Marr 1993-7-1 116 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA121253  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mile southwest of Signal Butte. 1341 Comment
  CAS-BOT-BC269363  Melica californica Lincoln Constance; Reed C. Rollins 1942-5-14 2934 Siskiyou Klamath--Siskiyou Region. Shasta River 6 miles north of Yreka 762 Comment
  CAS-BOT-BC281387  Melica harfordii Alice Eastwood 1923-5-27 11960 Siskiyou Shasta Springs Comment
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  HSC22262  Melica subulata J. O. Sawyer 1969-7-9 1112 Siskiyou Alluvial terrace above Duck Lake Creek. 1991 Comment
  HSC48289  Melica subulata J. O. Sawyer, K. T. Stillman 1978-7-6 3296 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC264198  Melica subulata Doris K. Kildale 1928-7-4 5468 Siskiyou 3 miles west of summit of divide between Sawyers Bar and Etna 1524 Comment
  CHSC91344  Melilotus indicus Lowell Ahart; John Dittes 2005-6-9 12011 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
  JEPS94878  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Highway 97 between Weed and Macdoel at the w end of Grass Lake 1524 Comment
  UCR143059  Mentzelia dispersa L. C. Wheeler 1934-7-5 2884 Siskiyou Siskiyou Mtns., Hungry Creek 976 Comment
  CAS-BOT-BC428554  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. Divide Comment
  CAS-BOT-BC429150  Micranthes odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou Western Siskiyou County, Marble Mountains. Hammond's Stock-raising Camp, on Kelsey Creek, about 8 mi. above Scott River 1524 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  CAS-BOT-BC349380  Microseris nutans Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  HSC22303  Microseris nutans J. O. Sawyer 1969-7-10 1286 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC60800  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC77048  Microsteris gracilis K. T. Stillman 1976-6-25 33 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  RSA14130  Mimulus cardinalis Elmer I. Applegate 1923-9-6 3978 Siskiyou Doggett Creek, Klamath River. Comment
  POM43687  Mimulus floribundus Edward Palmer 1892-7-13 2453 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS11529  Mimulus guttatus Willis L. Jepson July 1894 22 m Siskiyou Sisson Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA447946  Mimulus guttatus M. B. Dunkle 1944-6-25 9005 Siskiyou Siskiyou National Forest. 1677 Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  UCD122803  Mimulus moschatus J. M. Tucker; D. V. Hemphill 1974-7-27 4305 Siskiyou at edge of Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC422  Mimulus moschatus William J. Ferlatte 1966-7-7 216 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC96658  Mimulus nanus Thomas W. Nelson, Susan Erwin 2004-6-3 9220 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  JEPS60238  Mimulus nanus var. nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n Mt. Shasta (along U.S. Highway 97, 0.2 mi n of Yreka road junction) Comment
  POM253585  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  UC1031296  Mimulus tilingii Francis W. Pennell 1940-7-17 26181 Siskiyou above Ruffy Lake (w of Etna); Salmon Mountains 1981 Comment
  RSA120887  Minuartia douglasii Milo S. Baker 1957-6-16 13165 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CAS-BOT-BC174739  Minuartia nuttallii A. A. Heller 1916-7-22 12492 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC481921  Minuartia nuttallii Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC94415  Minuartia nuttallii R. C. Wenk 2005-7-15 228 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, right side of path, 2133 Comment
  RSA576936  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  JEPS93911  Minuartia nuttallii subsp. gregaria Vernon H. Oswald and Lowell Ahart 1998-8-3 9450 Siskiyou 4.9 mi se of Gazelle-Callahan Road (Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08)) 1767 Comment
  POM258762  Minuartia nuttallii subsp. gregaria C. L. Hitchcock, J. S. Martin 1939-7-7 5279 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  CHSC118449  Minuartia nuttallii var. gregaria Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -026 Siskiyou Lower Parks Creek watershed, E Klamath Range; Pinus jeffreyi-Calocedrus decurrens woodland on ultramafic clay soil, slope above Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539095m E, 4586836m N. 1485 Comment
  POM101544  Minuartia pusilla Geo. D. Butler 1232 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  SEINET3149779  Mirabilis greenei G. E. Pilz 1972-5-29 800 Siskiyou Collected 4 mi N of Yreka 700 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  UC162893  Moehringia macrophylla Harley P. Chandler June, 1901 1568 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1828 Comment
  HSC74817  Mollugo verticillata J. P. Smith, J. O. Sawyer 1978-7-3 9997 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  RSA749250  Monardella glauca K. M. Meyer, A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy 97 toward Oregon. 1933 Comment
  CHSC763  Monardella odoratissima K. Jaekal 1939-7-6 Siskiyou Black Butte Meadows, Mt. Shasta. 1158 Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  CAS-BOT-BC222031  Monardella odoratissima subsp. glauca G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  SEINET10582083  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 348 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
  CAS-BOT-BC220226  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River, between Dutch Creek and Deadman Gulch, Siskiyou Mts. 670 Comment
  CDA40784  Monardella sheltonii T. C. Fuller 1962-8-3 9505 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  RSA760936  Monotropa hypopitys R. F. Thorne, Frederick W. Oettinger 1969-8-4 63357 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  POM215874  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  UCSC000246  Montia parvifolia I. J. Condit 2011-7-4 s.n. Siskiyou Shasta Retreat Comment
  SEINET7098050  Montia parvifolia Barbara L. Wilson 1994-5-27 6918 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  UC375306  Morus alba Geo. D. Butler 1910-6-1 1553 Siskiyou Yreka Comment
  UCD37088  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  UCD86525  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood. Comment
  CHSC61581  Muhlenbergia filiformis L. P. Janeway 1983-9-11 663 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along the dirt road. 1524 Comment
  UC204922  Muhlenbergia filiformis unknown 11704 Siskiyou near Deetz Station (6 mi n of Sisson) Comment
  UC1026901  Muhlenbergia jonesii W. B. Cooke 1940-7-5 15247 Siskiyou along Wagon Camp rd. Mt. Shasta Comment
  UC1265407  Muhlenbergia montana F. W. Oettinger 1969-8-16 1389 Siskiyou rocky slope sw Wiregrass Meadow (near Upper English Lake); Salmon Mountains 1676 Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  UC1001154  Narthecium californicum Dorothy Parker 1953-7-29 Siskiyou summit Scott Mt.; Siskiyou Mts., Scott Mt. Comment
  UC221639  Navarretia divaricata H. E. Brown Jul 15-31 1897 Siskiyou Mt. Shasta, S side 1524 Comment
  JEPS101668  Navarretia intertexta subsp. propinqua Dean W. Taylor 1999-6-9 17245 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS93858  Navarretia leucocephala subsp. minima Vernon H. Oswald and Lowell Ahart 1998-6-11 9226 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC538023  Navarretia linearifolia subsp. linearifolia Louis C. Wheeler 1934-6-22 2771 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1005 Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  HSC81566  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6095 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  HSC48295  Nothochelone nemorosa Ken Stillman, J. O. Sawyer 1978-7-6 1034 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS84196  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  HSC63244  Nothochelone nemorosa M. A. Baker 1979-7-31 1084 Siskiyou Marble Mtn. Wilderness, Tickner Hole 3100 Comment
  JEPS83887  Nuphar lutea subsp. polysepala Wayne Roderick 1976-7-1 Siskiyou vicinity of Cooke & Green Pass (Siskiyou Mountains, Lily Pad Lake); Siskiyou Mountains, Lily Pad Lake 1706 Comment
  UC73298  Oenothera flava subsp. flava Milo S. Baker 1898-8-1 485 Siskiyou Medicine Lake Comment
  CAS-BOT-BC349961  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou F. Voelker ranch, w. edge of Meiss Lake Basin, just s. of Sam's Neck, ca. 15 mi. s.e. of Dorris Comment
  CDA7575  Onopordum tauricum T. C. Fuller 1959-12-1 3324 Siskiyou Fred Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  CAS-BOT-BC355600  Oreostemma alpigenum var. andersonii H. A. Thomas; J. H. Thomas 1954-7-24 4503 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC22131  Oreostemma alpigenum var. andersonii J. O. Sawyer 1969-8-5 1747 Siskiyou W of Little Duck Lake 2073 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  UC1045244  Orobanche fasciculata W. Bridge Cooke 1940-6-14 15131 Siskiyou Mount Shasta, near the source of McBride Springs. Comment
  CAS-BOT-BC105080  Orthocarpus cuspidatus R. C. Wenk 2008-7-24 937 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC94476  Orthocarpus cuspidatus subsp. copelandii R. C. Wenk 2005-7-19 345 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  SBBG22536  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-7-3 8066 Siskiyou Scott Mtn, S of Callahan Comment
  UCD123234  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker; L. K Mann 1963-8-17 3741 Siskiyou beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  RSA408802  Orthocarpus hispidus M. B. Dunkle 4965 Siskiyou Siskiyou National Forest. Comment
  JEPS15927  Osmorhiza berteroi W. L. Jepson July, 1894 14253 Siskiyou Sisson Comment
  UC1190135  Osmorhiza berteroi Ira L. Wiggins 1955-7-21 13428 Siskiyou along ditch bank near Mt. View Ranch (7 mi above Cecilville); S Fork of Salmon River 975 Comment
  UC726880  Osmorhiza berteroi A. A. Heller 1916-7-20 12467 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA459007  Osmorhiza berteroi M. B. Dunkle 1944-7-15 9100 Siskiyou Siskiyou National Forest. Comment
  HSC41810  Oxyria digyna Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC618856  Oxyria digyna W. Bridge Cooke 1938-9-8 11651 Siskiyou n side Red Butte; Mount Shasta, n side of Red Butte Comment
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Nov 6 2009
  CAS-BOT-BC316749  Packera cana Elmer Ivan Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mt., east of Medicine Lake, Siskiyou Co. 2438 Comment
  SEINET3159609  Paeonia brownii G. D. Butler 1910-4-23 1229 Siskiyou Quartz valley Comment
  UCD89766  Panicum oligosanthes var. scribnerianum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles E of Happy Camp. Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA202366  Parnassia fimbriata J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  HSC29457  Parnassia palustris Frederick W. Oettinger 1968-8-3 377 Siskiyou Marble Mountain Wilderness, base camp near Diamond Lake. 2012 Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  HSC30206  Paxistima myrsinites William J. Ferlatte 1968-6-8 1132 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  UC1408911  Paxistima myrsinites Frederick W. Oettinger and R. F. Thorne 1969-8-7 1281 Siskiyou e. side English Lake Outlet; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  UC163986  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC294  Pedicularis contorta William J. Ferlatte 1965-8-17 397 Siskiyou Caribou Basin 1982 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  UC1190282  Pedicularis contorta Ira L. Wiggins 1955-7-27 13517 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  HSC66236  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail, ridge 0.8 mi. E of Cook and Green Pass 1707 Comment
  JEPS82130  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  JEPS84020  Pedicularis howellii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6427 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  JEPS84022  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC34132  Pedicularis racemosa J. O. Sawyer 1970-7-3 2318 Siskiyou Trail to Haypress Meadows 1524 Comment
  SEINET13751981  Pedicularis racemosa G. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  HSC74865  Penstemon anguineus J. P. Smith, Jennifer Whipple 1978-7-2 9985 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  UC1408762  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou ridge between English Peak and Charmaine Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2023 Comment
  UC1585393  Penstemon anguineus R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 49 Siskiyou n Seiad Valley (at Cook and Green Pass); Cook and Green Pass 1425 Comment
  UC1174941  Penstemon anguineus P. C. Everett and E. K. Balls 1959-10-23 23941 Siskiyou 4.6 mi sw from Etna on rd from Callaban to Somesbar (Salmon Mts.); , sw from Etna on rd fr Callaban to Somesbar 1767 Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET3160236  Penstemon californicus G. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
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Jul 30 2019
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  NY583901  Penstemon cinicola A. A. Heller 1922-7-15 13699 Siskiyou Near the ranger station at Medicine Lake 2133.6 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CAS-BOT-BC265369  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1935-6-11 9513 Siskiyou W edge of Black Lava Flow, Upper Ice Cave area, Lava Beds National Monument Comment
  CHSC1859  Penstemon davidsonii var. davidsonii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  RSA412527  Penstemon deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  HSC67817  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3781 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UC625483  Penstemon heterodoxus var. shastensis Frank W. Gould 1938-6-28 486 Siskiyou n of Mount Shasta (where U.S. 97 crosses Butte Creek); Butte Creek 1417 Comment
  UC1423447  Penstemon humilis var. humilis Noel H. Holmgren, James L. Reveal 1966-6-9 2680 Siskiyou US 97, Shasta Valley, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  RSA0006172  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 360 Siskiyou North side, Mt. Shasta. 1524 Comment
  RSA407901  Penstemon laetus subsp. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 Comment
  NY604560  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  SEINET11262160  Penstemon laetus var. sagittatus Noel H. Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 mi) northeast of Weed.; 0 1100 Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  SBBG30585  Penstemon newberryi D. Myrick 1968-6-27 2035 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  SD42556  Penstemon newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, I(c) mi. S. of trail to horse camp 1524 Comment
  HSC663  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-9 679 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  UC705571  Penstemon newberryi var. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou Cayenne Ridge, W side at summit Marble Mountain Comment
  UC886831  Penstemon newberryi var. berryi John Thomas Howell 1937-7-26 13516 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  UC1408760  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou w side of Red Hill near Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, w side Red Hill nr Hancock Lake 2057 Comment
  HSC81757  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-19 6192 Siskiyou Along FS Rd. 40N17 at trail head to Mavis Lake 1707 Comment
  UCD124188  Penstemon parvulus J. M. Tucker; L. K. Mann 1963-8-18 3749 Siskiyou East-facing slope, around 200 feet below summit of saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2011 Comment
  RSA238759  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou West end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  HSC19135  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-2 1005 Siskiyou E of Twin Lakes 2195 Comment
  HSC665  Penstemon procerus var. brachyanthus William J. Ferlatte 1967-7-9 681 Siskiyou Kidd Creek Trail 1829 Comment
  NY638947  Penstemon procerus var. brachyanthus F. W. Pennell 1940-7-17 26180 Siskiyou Above Ruffy Lake, Salmon Mountains, west of Etna 1981.2 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 Comment
  POM42982  Penstemon roezlii Geo. D. Butler 1910-6-19 1579 Siskiyou Goosenest foothills. 1524 Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  UC1037452  Penstemon speciosus Douglas Barbe 1955-7-1 678 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  RSA189808  Penstemon speciosus Noel Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  UC1428123  Perideridia gairdneri subsp. borealis James E. Eckenwalder 1972-9-4 886 Siskiyou headwaters of Clear Creek Young's Valley (Young's Valley, Siskiyou Mountains (S.S.)); Siskiyou Mountains, headwaters Clear Creek Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  UC1312870  Perideridia oregana L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou US Hwy 99W 1.5 mi n Edgewood turnoff 91 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  JEPS52297  Phacelia dalesiana Wayne Roderick 1963-6-14 Siskiyou meadow just n Scott Mtn. pass (on road from Callahan to Trinity County communities) 1828 Comment
  JEPS79424  Phacelia greenei F. D. and C. L. Horn 1980-5-31 Siskiyou Whipple Ranch Etna (nw corner of Section 25) Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  UC933387  Phacelia heterophylla subsp. virgata Annie M. Alexander and Louise Kellogg 1948-9-7 5591 Siskiyou at fork of road from Cecilville to first Lookout Siskiyou Mountains, Black Bear Summit 1524 Comment
  POM73592  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou Near Yreka. Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  UC1187639  Phacelia leonis Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-20 3691 Siskiyou ca 5 mi sw Poker Flat; Siskiyou Mountains, Twin Valley 1554 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  SD72084  Phacelia mutabilis W. B. Cooke 1939-7-7 13603 Siskiyou Mt. Shasta. Below Wagon Camp. 1737 Comment
  UC1483455  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1924 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  RSA0106628  Phacelia pringlei Louise Kellogg 1953-8-5 105 Siskiyou Cabin Meadow, 1 mile north of Corey Peak, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on the logging road). 1845 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
  CAS-BOT-BC77408  Philadelphus lewisii C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  CAS-BOT-BC77430  Philadelphus lewisii H. A. Thomas; J. H. Thomas 1954-7-22 4443 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville; between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville 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
  UC483998  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou along river 1 mi above Hamburg; Klamath River 243 Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  UCR222480  Philadelphus lewisii R. F. Thorne 1969-8-2 63398 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  RSA0057591  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek. Comment
  SEINET6917951  Philadelphus lewisii M. K. Solecki, J. B. Taft 1986-9-9 2145 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC70731  Phleum pratense Ruby Van Deventer 1955-8-5 Siskiyou Forest Service Rd. 17N04 Comment
  UC1037381  Phleum pratense Douglas Barbe 1955-7-5 109 Siskiyou on highway to Fort Jones at Greenview city limits (s side of road); Klamath Mountains 883 Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  SEINET7041249  Phlox adsurgens Barbara L. Wilson 1994-5-27 6916 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  CHSC1301  Phlox diffusa M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  JEPS105405  Phlox hirsuta Dean W. Taylor 1996-5-29 15637 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  CHSC3177  Phlox speciosa Robert D. Briggs 1966-5-13 R- 151 Siskiyou 14 miles west of Gazelle. Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  POM209395  Phlox speciosa subsp. occidentalis L. C. Wheeler 1935-4-17 3428 Siskiyou Soap Creek, Siskiyou Mountains 1067 Comment
  CAS-BOT-BC56500  Phyllodoce empetriformis John Thomas Howell 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC56502  Phyllodoce empetriformis Geo. B. Grant 1902-9-7 s.n. Siskiyou Horse Camp, Mt. Shasta, N. Cal. 2438 Comment
  RSA211460  Phyllodoce empetriformis William J. Ferlatte 1966-8-5 352 Siskiyou Caribou Mtn. 2470 Comment
  UCD19279  Phyllodoce empetriformis Julie Knorr 1980-7-15 66 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop above trail.. 1950 Comment
  CAS-BOT-BC60760  Physaria occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain. 1066 Comment
  CAS-BOT-BC60770  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC60772  Physaria occidentalis Alice Eastwood 1912-8-30 2024 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. 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-BC78162  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  JEPS48371  Picea breweriana W. L. Jepson 1907-7-6 2847 Siskiyou Marble Mt. region Marble Mt. 1828 Comment
  RSA237209  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Cliffs above Hellhole, near Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC73436  Picea engelmannii Dorothy Parker 1962-6-1 s.n. Siskiyou Siskiyou Mountains - Sugar Creek, Salmon Mountains 1219 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  CAS-BOT-BC73388  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte. Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA0086516  Pinus albicaulis Bonnie C. Templeton 1968-6-13 11334 Siskiyou Mt. Shasta, in the region of Panther Meadows. 2804 Comment
  UC400301  Pinus attenuata Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC1371  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy, Bulk Collection # 88 2271 Comment
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  HSC101735  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-5-27 12 Siskiyou West ridgeline above Wright Lake 2222 Comment
  HSC92115  Pinus balfouriana subsp. balfouriana Jennifer Whipple 1976-8-21 1733 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  RSA237351  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Due East of Toms Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2119 Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
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Jul 8 2014
  UC54743  Plagiobothrys hispidulus Harley P. Chandler June 1901 1704 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1828 Comment
  JEPS68106  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou Yreka Comment
  UC903389  Plagiobothrys nothofulvus Dorothy Parker 1948-5-3 Siskiyou 4 mi s Yreka (along Highway 99) 878 Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  RSA105308  Plantago eriopoda Milo S. Baker 1955-7-26 13079 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  HSC67609  Plantago lanceolata J. P. Smith, Steve Selva 1970-7-16 4392 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA183677  Plantago lanceolata Gilbert Muth 1965-8-16 226 Siskiyou Marble Valley Guard Station. Marble Mtns. Near trail. Comment
  HSC97404  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-8-18 427 Siskiyou 1 mi. N of mine on W slope of El Capitan, Siskiyou Mtns., Preston Peak area 1524 Comment
  RSA183692  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Mountains, Marble Valley Comment
  RSA185840  Platanthera leucostachys John H. Thomas, H. A. Thomas 1954-7-27 4555 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 miles to SE. 884 Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  HSC35288  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC97400  Platanthera sparsiflora J. D. Ackerman, A. M. Montalvo 1974-8-17 423 Siskiyou W slope of Preston Peak, ca. .5 mi. N of Rattlesnake Meadow 1646 Comment
  RSA211504  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail; Trinity Alps. 1890 Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  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
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  UCR64614  Poa bulbosa L. C. Wheeler 1935-6-1 3536 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  CAS-BOT-BC255056  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  HSC65375  Poa compressa J. P. Smith 1973-5-5 6549 Siskiyou Scott Bar along the Scott River Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CHSC89335  Poa pratensis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges. Beaver pond, 0.25 miles northeast of Oro Fino. 883 Comment
  RSA273421  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4050 Siskiyou 7 miles west of Etna on road to Sawyers Bar 1280 Comment
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  UC1535351  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2107 Siskiyou ca 2.5 mi s Gazelle (e side of Old Hwy 99); Weed Quadrangle 902 Comment
  SEINET10893840  Poa pratensis subsp. pratensis Lawrence P. Janeway 1983-7-26 Janeway 592 Siskiyou Preston Peak quad (15') T18N, R6E, SW 1/4 of sec. 20, Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. Dry front edge of the upper part of the meadow. 1524 Comment
  JEPS82285  Poa pringlei Roger Raiche 1983-8-13 30593 Siskiyou summit area Mt Eddy 2743 Comment
  HSC39850  Poa rhizomata J. P. Smith 1973-5-5 6512 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10659378  Poa scabrella A. Arthur Heller 1919-6-29 Heller 13402 Siskiyou Near Wagon creek falls, east side of Mt. Eddy in swampy places, the trees Pinus Jeffreyi and P. monticola, the shrubs Salix and Alnus. Comment
  CAS-BOT-BC237709  Poa secunda Elmer I. Applegate 1935-6-5 9341 Siskiyou Captain Jack's Ice Cave, Lava Beds National Monument Comment
  RSA239018  Poa secunda Frederick W. Oettinger 1969-9-2 1594 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD90457  Poa secunda L. Whitney 1934-6-29 2224 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC243219  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  CAS-BOT-BC243236  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  HSC34099  Poa secunda subsp. secunda J. O. Sawyer 1969-8-4 1844 Siskiyou Above Sugar Lake 2134 Comment
  HSC77126  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 178 Siskiyou Marble Mtn. Wilderness Area. Comment
  UC1190228  Poa secunda subsp. secunda Ira L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD91564  Poa wheeleri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3432 Siskiyou 4 miles west of Hamburg. 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
  RSA126049  Polemonium californicum I. L. Wiggins 1955-7-29 13574 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  UCD77931  Polemonium occidentale subsp. occidentale Robert E. Preston 2001-7-20 1697 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC231350  Polemonium pulcherrimum John Thomas Howell 1939-8-9 15220 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  JEPS26587  Polemonium pulcherrimum subsp. pulcherrimum Peter Kamb 1949-8-25 1495 Siskiyou above Horse Camp (sw slope Mt. Shasta); sw slope Mt. Shasta above Horse Camp 3169 Comment
  CHSC71292  Polyctenium fremontii var. fremontii Vernon H. Oswald; Lowell Ahart 1998-6-11 9200 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  UCD109698  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou just above junction of thenorth [sic] Fork with middle and south Forks. 1066 Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  UC163819  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Oro Fino Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  HSC32755  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  UC1540148  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  JEPS117465  Polygonum hydropiperoides Lowell Ahart, John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA211294  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake 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
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  POM312532  Polygonum sawatchense subsp. oblivium H. L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  RSA82768  Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta. 2409 Comment
  UC1409241  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou slope between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  UC725786  Polygonum shastense A. A. Heller 1939-7-31 15433 Siskiyou Panther Meadow Mt. Shasta (border) Comment
  CAS-BOT-BC421081  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  CAS-BOT-BC421085  Polygonum spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76726  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-4-27 7504 Siskiyou Cecilville Comment
  HSC29355  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou Due N of the English Lake Outlet 1784 Comment
  CAS-BOT-BC94466  Polystichum lemmonii R. C. Wenk 2005-7-19 327 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CHSC31246  Polystichum lemmonii B. Williams 1980-8-27 385 Siskiyou Shasta Forest/Trinity NF Expt. Area. Mt. Eddy. Comment
  SD82169  Polystichum lemmonii H. H. Tracy 1913-8-26 Siskiyou Mt. Eddy trail, near Mt. Shasta 1525 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  CAS-BOT-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  CAS-BOT-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  RSA237466  Portulaca oleracea Frederick W. Oettinger 1969-8-25 1560 -b Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  RSA237622  Potentilla breweri var. breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC96320  Potentilla flabellifolia Gordon Leppig, J. Kalt 1996-7-9 390 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UCD113749  Potentilla flabellifolia Dean William Taylor 1972-7-4 1616 Siskiyou Near Little Duck Lake. 1981 Comment
  UC903055  Potentilla fruticosa Mrs. H. P. Bracelin 1931-6-21 456 Siskiyou above Dobkins Lake (n side of Mount Eddy); above Dobkins Lake, n side Mount Eddy 2133 Comment
  RSA184696  Potentilla glandulosa Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  JEPS44224  Potentilla gracilis W. L. Jepson Jul 20 1894-Aug 3 1894 102 p Siskiyou Sisson Comment
  CAS-BOT-BC540556  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  POM34598  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. Comment
  UC60973  Potentilla gracilis var. flabelliformis Geo. B. Grant September 1902 5086 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  JEPS81658  Potentilla millefolia L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2297 Siskiyou on U.S.97, 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UC1368673  Potentilla recta W. B. and V. G. Cooke 1968-7-1 39229 Siskiyou in cleared area in highway equipment turnout Jct. US 97 and Andesite Road 1524 Comment
  UCD77960  Prunella vulgaris var. lanceolata Robert E. Preston 2001-7-20 1685 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1712 Comment
  SEINET3157224  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC158206  Prunus emarginata V. B. Whitehead 1963-7-5 s.n. Siskiyou McBride Springs (3 mi. nne. of Mt. Shasta City) 1371 Comment
  CAS-BOT-BC158226  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou On the banks of the Sacramento opposite Upper Soda Spring; Between Dunsmuir and Upper Soda Spring 731 Comment
  CAS-BOT-BC158244  Prunus emarginata A. M. Vollmer; L. Beane 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC1312930  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  UC60888  Prunus emarginata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  UC629770  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 mi n of Dunsmuir 914 Comment
  RSA453224  Prunus emarginata Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  HSC19191  Prunus virginiana var. demissa J. O. Sawyer 1968-7-23 607 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  HSC67479  Pseudognaphalium stramineum J. P. Smith, Steve Selva 1970-6-15 3903 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS24617  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6770 Siskiyou in the 1.5 mi stretch between Shasta Retreat (n outskirts of Dunsmiur) ro Mossbrae Falls and Shasta Springs; Sacramento River Canyon, S. P.(Shasta Route) railwayi 731 Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC239817  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bear Paw [Bearpaw] Cave, Lava Beds National Monument Comment
  JEPS101140  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1996-6-18 15722 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  RSA13869  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UC399468  Pteridium aquilinum var. pubescens Geo. D. Butler 1910-6-6 1462 Siskiyou Quartz Valley Quartz Valley Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  CDA38858  Pterospora andromedea J. R. Grisham 1962-7-26 s.n. Siskiyou Near Medicine Lake. 0 Comment
  UCD91862  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  CDA26232  Purshia tridentata T. C. Fuller 1962-6-11 8951 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  CAS-BOT-BC147911  Purshia tridentata var. tridentata Wm. Bridge Cooke 1938-6-24 11100 Siskiyou Sisson Southern Trail Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  RSA449671  Purshia tridentata var. tridentata E. E. Stanford 1930-6-15 1600 Siskiyou Near Shasta City. Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 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
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  RSA0080539  Pyrola crypta G. D. Barbe 1955-7-26 269 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  UCD13255  Pyrola dentata K. F. Mawdsley 1996-7-9 7 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  SBBG25824  Pyrola picta D. Myrick 1966-8-10 1525 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1483416  Pyrola picta John Palmer 1980-8-15 968 Siskiyou ne of Seiad Low Gap on spur of Forest Road 46N50, Klamath National Forest Seiad Low Gap; Klamath National Forest, Forest Road 46N50 1097 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  SEINET8205865  Pyrola picta R. Waring 1964-8-26 555 Siskiyou Red Butte, on southern boundary of Rogue River Nat'l Forest. 1737 Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 Comment
  CHSC34104  Pyrrocoma racemosa var. pinetorum J. D. Jokerst; M. D. Huffine 1981-9-8 1462 Siskiyou E of road in the section. 1249 Comment
  HSC27470  Quercus chrysolepis J. P. Smith, J. O. Sawyer 1972-5-28 5386 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  UC1409457  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1252 Siskiyou lower Toms Lake Basin, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC767801  Quercus garryana Wm. H. Brewer 1463 Siskiyou valley of Cow Creek Comment
  RSA237814  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou Growing just SW of the brook on the W side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  SD75846  Quercus garryana var. breweri Darley F. Howe 1969-9-12 Siskiyou Just south of Little Grayback, Siskiyou Mountains. 1524 Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC375249  Quercus kelloggii Geo. D. Butler 1908-7-4 235 Siskiyou Shasta River Comment
  CAS-BOT-BC104351  Quercus sadleriana Doris K. Kildale 1928-8-18 6443 Siskiyou Lead of N Fork Salmon River at Finley's upper Camp Comment
  CAS-BOT-BC104355  Quercus sadleriana Doris K. Kildale 1929-8-24 9075 Siskiyou Rattlesnake Meadow near Preston Peak 1524 Comment
  CAS-BOT-BC104368  Quercus sadleriana Wayne Roderick 1981-7-4 s.n. Siskiyou Cook & Green Pass 1371 Comment
  CAS-BOT-BC104371  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Dryish meadow, on Blacj Mountain trail, marble Mts. 1798 Comment
  POM106235  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West fork of Wooly Creek. Comment
  RSA152195  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  UC1043394  Quercus sadleriana P. C. Everett and E. K. Balls 1954-10-12 20274 Siskiyou 2 mi w Dry Lake Lookout (Horse Creek to Dry Lake Lookout); Horse Creek 1920 Comment
  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
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  HSC69236  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2709 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC69427  Quercus vacciniifolia John Palmer 1980-7-23 564 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS20043  Quercus vacciniifolia George D. Butler Aug 1908 230 Siskiyou near Cold Spring Camp; Wooley Creek 1676 Comment
  RSA237786  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237819  Quercus vacciniifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1252 Siskiyou Southwest-facing slope of lower Toms Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA237826  Quercus vacciniifolia Frederick W. Oettinger 1969-9-4 1646 Siskiyou At northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 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
  UCD47398  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the North Fork junction with the Middle and South Forks, Siskiyou County. 1066 Comment
  CAS-BOT-BC328128  Raillardella pringlei W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mount Eddy Comment
  UC375270  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-9-15 447 Siskiyou in ditch near Yreka Comment
  UC454031  Ranunculus aquatilis var. capillaceus I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  HSC78194  Ranunculus gormanii L. P. Janeway 1983-7-3 375 Siskiyou Poker Flat 1524 Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 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
  HSC36926  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7591 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  POM299039  Rhamnus californica Marion Ownbey 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  SEINET13946380 Image available Rhamnus obtusissima A. A. Heller 1920-1 13525 Siskiyou near Black Butte north of Sisson, elev 3550 ft 1082 Comment
  UC60946  Rhamnus purshiana Geo. B. Grant Sep 1902 5256 Siskiyou Dunsmuir Mount Shasta 609 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
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC76755  Rhodiola integrifolia subsp. integrifolia K. T. Stillman 1976-7-21 272 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC30573  Rhododendron columbianum Frederick W. Oettinger 1968-8-2 349 Siskiyou Marble Mountain Wilderness, S of Diamond Lake 2073 Comment
  CAS-BOT-BC58186  Rhododendron columbianum Volney Rattan 1879-1-1 10345 Siskiyou Illinois River. Comment
  HSC27604  Rhododendron occidentale Carl W. Mize 1972-6-10 49 Siskiyou ca. 50 ft. above Steinacher Creek and 1/2 mi. from Wooley Creek 335 Comment
  CAS-BOT-BC200743  Rhus aromatica L. R. Short 1933-5-24 132 Siskiyou Klamath National Forest. Bank of Klamath River 548 Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
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Nov 25 2011
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA0044691  Rhus trilobata var. quinata Geo. D. Butler 1910-6-29 1615 Siskiyou Dry land near Yreka Comment
  UC455595  Ribes I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC108780  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou Southwest end of Little Shasta Valley, 12 miles northeast Weed on U.S. Highway #97 at junction with road to Montague. 883 Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  HSC43330  Ribes cereum var. cereum Maralyn O'Meara 1974-5-27 471 Siskiyou Along FS Rd. 47N03 1646 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
  HSC49898  Ribes lacustre Maralyn O'Meara 1973-6-5 197 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  RSA0021106  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  SEINET12220211  Ribes lacustre H. P. Chandler 1901-1 1561 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  CAS-BOT-BC173388  Ribes lobbii John Thomas Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC44979  Ribes lobbii J. O. Sawyer 1978-6-21 3282 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  SEINET3151806  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  UC165921  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackelford Creek Comment
  HSC29426  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  OBI2051  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  LA205500  Ribes roezlii W. B. C.; 1937-7-16 9079 Siskiyou Mount Shasta, along the Sisson Southern Trail 1981 Comment
  UC61672  Ribes roezlii W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC455589  Ribes roezlii var. cruentum I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC186287  Ribes roezlii var. roezlii W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  HSC42901  Ribes sanguineum J. O. Sawyer, Ken Stillman 1976-5-29 2731 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC1222370 Image available Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  UC1483465 Image available Ribes sanguineum Maralyn A. Renner 1980-6-27 1299 Siskiyou headwaters Dillon Creek; Klamath National Forest, Dillon Mtn. Quad. Comment
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Feb 9 2009
  UC637110  Ribes sanguineum Annetta Carter 1934-8-13 707 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC100866  Ribes viscosissimum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13062 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC42238  Ribes viscosissimum R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Near Kidd Creek 1829 Comment
  JEPS74540  Ribes viscosissimum W. J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  CDA25593  Ribes viscosissimum var. hallii J. R. Grisham 1969-8-25 Siskiyou Tom George property, Yreka. 0 Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC482447  Romanzoffia sitchensis Dana York 2011-8-13 3056 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  CAS-BOT-BC74661  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS53821  Rorippa curvisiliqua Geo. D. Butler 1908-8-9 131 Siskiyou Marble Mountain Valley 1676 Comment
  HSC76684  Rorippa curvisiliqua K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 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
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CAS-BOT-BC146738  Rosa gymnocarpa Doris K. Kildale 1928-8-18 6413 Siskiyou North Fork of Salmon River at Finley Camp 609 Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC146744  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  HSC69002  Rosa gymnocarpa Maralyn A. Renner 1980-7-28 2195 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  CAS-BOT-BC147063  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  POM211266  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek 1768 Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA126292  Rubus leucodermis I. L. Wiggins 1955-7-22 13456 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  CAS-BOT-BC147980  Rubus leucodermis W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge - Salmon Mts. Comment
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC363168  Rudbeckia californica Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mile N of Middle Fork crossing 1693 Comment
  CAS-BOT-BC363171  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  CDA17131  Rumex acetosella G. F. Hrusa 2001-6-6 15845 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CAS-BOT-BC422223  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC163673  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou creek near Yreka Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 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
  UC5260  Salix boothii Milo S. Baker Aug 8 1893-Jan 1 1900 Siskiyou Medicine Lake 1981 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC22196  Salix eastwoodiae J. O. Sawyer 1969-8-4 1916 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA238013  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Near Horse's Hole. Horse Range Lake Basin. The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  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
  HSC27474  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 5365 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  HSC75712  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  UCSB10876  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City 1200 Comment
  UC481718  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 468 Siskiyou ca. 21 km. n.w. Shasta City (meadow 180 m. below Dobkin's Lake, n. side Mt. Eddy); Mt. Eddy 1770 Comment
  CAS-BOT-BC125153  Salix lasiandra var. lasiandra Grant 1902-9-11 5166 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC125456  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-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  JEPS77667  Salix lasiandra var. lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou near S. Fork Salmon River Big Flat (banks of river below campground); Trinity Alps 1508 Comment
  LA208779  Salix lasiolepis Louis C. Wheeler; 1934-12-16 3363 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 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
  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
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  SJSU199  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou 180 m below Dobkin's Lake, N side of Mt Eddy c. 21 km NW of Shasta City 1767 Comment
  CAS-BOT-BC126126  Salix scouleriana L. S. Smith 1931-6-7 18 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 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
  CAS-BOT-BC175654  Salsola tragus Carl B. Wolf 1927-8-26 1014 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  HSC3957  Sambucus nigra subsp. caerulea R. C. Wunner 1965-6-22 245 Siskiyou Lava Beds National Monument, 0.25 mi. N of Canby Cross. 1220 Comment
  CAS-BOT-BC238895  Sambucus nigra subsp. caerulea Milo S. Baker; Douglas Barbe 1955-7-5 96 Siskiyou Klamath Mountains. 5.7 mi. South of Etna on French Cr. Rd. 883 Comment
  CHSC32941  Sambucus racemosa var. microbotrys J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  JEPS98657  Sanicula bipinnatifida O. Gomez and P. Vargas 1996-5-26 38 PV96 Siskiyou ca. 4 mi N of the town by Seiad Creek road Seiad Valley Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  UCD102947  Saxifraga fragarioides Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Near top of Marble Mountain, Marble Mountains. 2225 Comment
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC283653  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CHSC106274  Schoenoplectus americanus Lowell Ahart; John Dittes 2010-7-30 16968 Siskiyou About 10 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC1265460  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1290 Siskiyou around bog in meadow called Sundew Bog due e English Lake outlet (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou Co); Marble Mountain Wilderness Area, Salmon Mountains 1828 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  CAS-BOT-BC214255  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  CAS-BOT-BC64080  Sedum kiersteadiae L. E. Smith 1913-6-13 433 Siskiyou Mount Eddy Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  RSA0076354  Sedum lanceolatum C. L. Hitchcock, J. S. Martin 1939-7-9 5331 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  JEPS84102  Sedum obtusatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass, eastern slopes); 1/2 air mi from Red Butte, nne of Seiad Valley 1750 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS121410  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  UC455351  Sedum spathulifolium I. J. Condit 1911-7-13 Siskiyou Shasta Retreat Shasta Retreat (dry rocky bank near R.R. Station) Comment
  RSA603121  Sedum stenopetalum subsp. stenopetalum L. C. Wheeler 1934-8-16 3165 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  RSA697124  Senecio Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 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
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  UC904780  Senecio fremontii var. occidentalis W. Bridge Cooke 1949-8-22 25559 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  CAS-BOT-BC363761  Senecio integerrimus Elmer I. Applegate 1923-8-19 3894 Siskiyou Medicine Lake Comment
  HSC67865  Senecio integerrimus var. major J. P. Smith 1976-5-5 8676 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC163860  Senecio integerrimus var. major Geo. D. Butler 1910-6-5 1526 Siskiyou Log Lake Comment
  HSC2277  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC69084  Senecio triangularis Maralyn A. Renner 1980-8-4 2217 Siskiyou Flint Valley 1390 Comment
  HSC78188  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  HSC81849  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6180 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS37600  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley 1676 Comment
  UC1299197  Sidalcea glaucescens Freed W. Hoffman 1950-7-14 3623 Siskiyou western Baldy Mountain Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  HSC177  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-2 227 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  UC140823  Sidalcea oregana subsp. spicata Dr. E. B. Copeland 1903-8-12 3822 Siskiyou Sisson Comment
  UC609326  Sidalcea setosa Eleanor Burks Hart 1938-8-18 911 Siskiyou above Big Meadow; above Big Meadow 2194 Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  CHSC69076  Silene douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  HSC41814  Silene grayi Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC388943  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou Summit ridge of Marble Mt., 1/4 mi w of summit 2042 Comment
  CAS-BOT-BC388952  Silene grayi A. A. Heller 1920-7-9 13436 Siskiyou Easterly slope of Mt. Eddy 2286 Comment
  HSC61456  Silene grayi Ruby Van Deventer 1938-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  HSC39834  Silene lemmonii J. O. Sawyer 1969-7-23 1162 Siskiyou Near Horse Range Creek 1341 Comment
  UC375340  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  SEINET10469797  Sisyrinchium idahoense Mary Merello 1993-6-22 Merello 699 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC1222556  Smilacina racemosa Joseph P. Tracy 1951-6-16 19487 Siskiyou near State Line (at crossing of Takilma-Happy Camp Rd); Summit of Siskiyous 1463 Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC60938  Smilax californica Geo. B. Grant September, 1902 5214 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  NY821267  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  JEPS12122  Solanum triflorum Fred P. Cronemiller Jr. 1929-8-6 Siskiyou Paynes Cove, Modoc National Forest Paynes Cove; Modoc National Forest, Paynes Cove 1341 Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  RSA237482  Solidago canadensis subsp. elongata Frederick W. Oettinger 1967-8-20 307 Siskiyou Northwest of Pine Lake, Salmon Mountains; Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC365554  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  CAS-BOT-BC365574  Solidago elongata Geo. D. Butler 1910-8-27 1858 Siskiyou Oro Fino Comment
  HSC6197  Solidago multiradiata R. C. Wunner 1965-8-14 429 Siskiyou California Lava Beds N. P.; 2 mi. SW on Tichner Rd. from Mammoth Crater 1494 Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  POM210973  Sorbus californica Louis C. Wheeler 1934-8-8 3068 Siskiyou W Fork Beaver Creek. Siskiyou Mtns. 1677 Comment
  CAS-BOT-BC158925  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou West Fork Beaver Creek - Siskiyou Mts. 1676 Comment
  UC44991  Sorbus scopulina var. cascadensis Geo. D. Butler 1930-7-20 281 Siskiyou Wooly Creek 1676 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC106124  Sphenosciadium capitellatum unknown Siskiyou Mt. Shasta Comment
  POM148451  Spiraea densiflora var. splendens J. B. Feudge 1927-7-22 1684 Siskiyou Trail. Mt. Shasta City to Mt. Eddy. 1372 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  UCD114054  Spiraea douglasii R. Tofsrud; J. M. Tucker 1948-8-2 1751 Siskiyou Outskirts of McCloud. Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152555  Spiraea splendens Doris K. Kildale 1929-7-20 8729 Siskiyou Raspberry Lake, near east spur Peston Peak Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA28132  Spiranthes romanzoffiana Elmer I. Applegate 1923-8-18 3884 Siskiyou Medicine Lake. Comment
  SEINET9345824  Stachys ajugoides Unknown 2002-7-12 1902 Siskiyou Klamath National Forest Comment
  JEPS63046  Stachys ajugoides var. rigida W. L. Jepson 1894-8-9 14958 Siskiyou Shasta Springs Comment
  UCLA70898  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15147 Siskiyou w Shasta River; Klamath River Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  JEPS9638 Image available Staphylea bolanderi L. E. Smith 1912-1 Siskiyou Dunsmuir Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  CAS-BOT-BC391221  Stellaria longipes subsp. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC516469  Stenanthium occidentale John Thomas Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC375940  Stephanomeria virgata Carl B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  HSC38713  Stipa lemmonii J. D. Ackerman 1975-7-18 575 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  HSC91042  Streptanthus barbatus Jennifer Whipple 1976-7-13 1460 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC1094385  Streptanthus barbatus Rimo C. Bacigalupi with Galen Smith 1957-6-26 5966 Siskiyou ca 4 mi sw junction with the North Fork (along road to Gumboot Lake, w of town of Mt. Shasta); South Fork of the Sacramento River 1371 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  CHSC30241  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3268 A Siskiyou Paint Pot Crater. 1920 Comment
  UC162647  Streptanthus tortuosus var. orbiculatus Harley P. Chandler June 1901 1636 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 A 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
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  JEPS97194  Streptopus amplexifolius var. americanus Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95054 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  UC1539987  Swertia albicaulis M. Mitchell 1936-5-21 40 Siskiyou 0.6 mi sw Fleener Chimney; Lava Beds National Monument 1402 Comment
  HSC61794  Swertia albicaulis var. nitida Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC154175  Swertia radiata Harley P. Chandler Jun 1901 1709 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1524 Comment
  HSC26922  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1971-9-18 4845 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  CAS-BOT-BC234786  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC91430  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1976-7-13 1458 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC585186  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1956 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  CAS-BOT-BC98429  Symphyotrichum spathulatum A. A. Heller 1939-7-31 15432 Siskiyou Among grasses in Panther Meadows Mt. Shasta. 2438 Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC99365  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou Scott-Salmon Trail, Salmon Mts. Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  UC922308  Tellima grandiflora Annie M. Alexander and Louise Kellogg 1949-7-28 5881 Siskiyou Sky High Valley; Marble Mountains 1767 Comment
  RSA184727  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  CAS-BOT-BC332877  Tetradymia canescens Elmer I. Applegate 1935-8-3 10003 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  CHSC85707  Thermopsis robusta G. F. Hrusa 1998-7-5 14700 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  JEPS81878  Thlaspi montanum var. montanum Roger Raiche 1982-7-3 20525 Siskiyou ne slope Mt. Eddy (Mt. Eddy); nw slope Mt. Eddy 1981 Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  CAS-BOT-BC66797  Thysanocarpus curvipes Alice Eastwood; John Thomas Howell 1936-6-13 2761 Siskiyou Junction of Klamath and Shasta rivers. Comment
  CDA25267  Thysanocarpus curvipes F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  CAS-BOT-BC67267  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou Dryland near Yreka. Comment
  POM354792  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  RSA264980  Tofieldia glutinosa subsp. occidentalis G. L. Clifton 1975-7-28 5903 Siskiyou Near Elk Meadow, near Seiad Valley 1634 Comment
  JEPS62178  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1894-7 Siskiyou wet swamp at Sisson Comment
  CAS-BOT-BC447626  Tolmiea menziesii Ira L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  HSC72671  Tonella tenella J. P. Smith 1976-5-5 8697 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  JEPS3896  Tonella tenella Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  SEINET6951471  Toxicodendron diversilobum M. K. Solecki, J. B. Taft 1986-9-9 2140 Siskiyou Along Scott River, near Indian Scotty campground. Comment
  CHSC91339  Tragopogon dubius Lowell Ahart; John Dittes 2005-6-9 12049 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
  CDA7717  Tragopogon dubius T. C. Fuller 1958-6-19 1800 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC377157  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC58945  Triantha occidentalis subsp. occidentalis Marvin Butler 1971-7-12 112 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  OBI55486  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  CAS-BOT-BC219040  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley, along creek 1792 Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  CDA4330  Trifolium incarnatum Don Shaw 1977-5-26 Siskiyou Highway 96 near Blue Heron Ranch, Somes Bar. 0 Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  POM349461  Trifolium longipes subsp. atrorubens M. O'Mera 1974-5-25 409 Siskiyou On road 8 ca. 4.7 miles W of junction with Hwy 3. 1159 Comment
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC85327  Trifolium longipes var. elmeri Harley P. Chandler June 1901 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  RSA237893  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Above trail near Young Cabin in region of Upper Abbots Cabin. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC60803  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-25 240 Siskiyou Tributary to N Russian Creek, 1/2 mi. S of Etna Summit on rd. from Sawyer's Bar to Etna 1707 Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  HSC61491  Trisetum spicatum Ruby Van Deventer 19 Jul [year missing] Siskiyou Lookout Mtn. Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  UCD94378  Trisetum spicatum J. M. Tucker 1963-8-19 3780 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UC1586939  Triteleia Juha Pykala and D. H. Norris 1987-6-26 2117 Siskiyou 0 to 3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC133488  Triteleia crocea L. E. Smith 1914-5-21 702 Siskiyou Yreka Comment
  HSC46189  Triteleia crocea Jennifer Whipple 1977-4-30 1871 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC15040  Triteleia crocea W. P. Gibbons May 1896 Siskiyou Comment
  UC454064  Triteleia crocea var. modesta I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC58903  Triteleia hyacinthina Marvin Butler 1971-7-21 188 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  RSA666433  Triteleia hyacinthina Barbara Ertter 1990-7-15 9369 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  SEINET10534159  Triteleia ixioides subsp. anilina A. Arthur Heller 1905-6-5 Heller 7986 Siskiyou Pleateau above Shasta Springs. Comment
  SBBG15525  Triteleia ixioides var. anilina D. Myrick 1961-7-22 320 Siskiyou St Hwy 89 near McCloud 914 Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC404212  Urtica dioica subsp. holosericea Elmer I. Applegate 1935-6-5 9298 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC164159  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UCD122057  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070703 Siskiyou in Cedar Lake. 1742 Comment
  HSC69171  Vaccinium cespitosum Maralyn A. Renner 1980-8-6 2329 Siskiyou Cracker Meadow 1555 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  UC917231  Vaccinium cespitosum R. Tofsrud and J. M. Tucker 1948-8-2 1766 Siskiyou s slope Mt. Shasta; , Panther Meadows 2407 Comment
  UC413098  Vaccinium deliciosum Jos. Grinnell 1911-6-22 174 Siskiyou Jackson Lake Comment
  CHSC88623  Vaccinium membranaceum Gail A. Newton 1981-8-1 2347 Siskiyou Klamath National Forest. On (very near) the Kelsey Trail. 1493 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  HSC19341  Vaccinium scoparium J. O. Sawyer 1969-7-9 1277 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  CAS-BOT-BC199797  Vahlodea atropurpurea John Thomas Howell 1939-8-9 15229 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC18952  Valeriana sitchensis subsp. sitchensis J. O. Sawyer 1968-7-2 371 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC76680  Veratrum viride K. T. Stillman 1976-7-30 327 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC527062  Veratrum viride var. eschscholzianum Gilbert Muth 1966-8-3 151 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  POM43036  Verbascum blattaria Edward Palmer 1892-7-13 2540 Siskiyou Mt. Shasta and vicinity. Comment
  RSA13898  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 671 Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  CAS-BOT-BC213723  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy Comment
  HSC77924  Veronica copelandii Wayne Rolle Aug 1983 Siskiyou N aspect, where the snow stays late, on peridotite 1890 Comment
  UC164332  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou near Yreka Comment
  UC887764  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek; Siskiyou Mountains, Greenhorn Creek 1005 Comment