Search Results — 2000 specimen records retrieved (1337 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-BC78129  Abies X shastensis G. B. Grant 1902-7-16 s.n. Siskiyou Alta Meadow Comment
  CAS-BOT-BC77939  Abies amabilis Gilbert J. Muth 1969-8-5 1274 Siskiyou Ridge above Deep Lake 2194 Comment
  HSC68975  Abies concolor Maralyn A. Renner 1980-7-24 2128 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC1409511  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou on steep slope ne of English Lake outlet (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  SEINET5643775  Acer circinatum Alv Dan Youngberg 1964-7-20 78 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  HSC4973  Acer glabrum var. torreyi J. O. Sawyer 1968-6-18 212 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  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
  SEINET4068104 Image available Acer macrophyllum O. M. Clark 1947-1 sn Siskiyou Siskiyou Mountains. Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC67934  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River Comment
  HSC44593  Achillea millefolium Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  UCSB22168  Achlys triphylla Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA237254  Achlys triphylla Frederick W. Oettinger 1967-6-28 133 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  JEPS449  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou M<?>ffitt Creek Comment
  JEPS84005  Achnatherum nelsonii subsp. dorei L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6359 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass; e slopes of Red Butte); Red Butte 1900 Comment
  CHSC110946  Achnatherum nevadense B. Castro; L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of N-facing slope. Ca 150 ft up old Rd 43N39 (now closed) from jcn with its 'A' spur, in the old roadbed. 1950 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  CHSC30753  Achnatherum occidentale subsp. californicum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UCD51161  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  RSA416308  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  UC891059  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Yreka Creek; Siskiyou Mts., Yreka Creek 853 Comment
  HSC22293  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-24 1519 Siskiyou W of Sugar Lake 1890 Comment
  CAS-BOT-BC412917  Aconogonon davisiae Alice Eastwood 1912-8-30 1994 Siskiyou Mount Eddy Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  UCD77946  Aconogonon davisiae Robert E. Preston 2001-6-23 1594 Siskiyou Klamath National Forest, n-facing ridge of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2103 Comment
  CAS-BOT-BC418815  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6607 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mountain Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  RSA184626  Adenocaulon bicolor Clare B. Hardham 1965-8-20 1302 Siskiyou Marble Mts. Granite Trail near Cudahy Lakes 1372 Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CAS-BOT-BC110722  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Road, 1 mile east of Montague. Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  HSC69247  Agastache urticifolia Maralyn A. Renner 1980-7-24 2063 Siskiyou Lily Pad Lake 1768 Comment
  RSA238533  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou E-facing slope, due NWW. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD124992  Agastache urticifolia A. H. Murphy 1958-8-4 58 D Siskiyou Klamath National Forest, Little Elk Lake. 1676 Comment
  HSC79317  Ageratina occidentalis D. H. Norris 1970-5-23 12240 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar 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
  HSC2260  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  HSC4598  Agoseris grandiflora R. C. Wunner 331 Siskiyou Lava Beds National Monument. Devil's Homestead Overlook 1250 Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  CAS-BOT-BC139569  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  RSA238357  Agrostis humilis Frederick W. Oettinger 1969-9-4 1631 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC139348  Agrostis idahoensis Elmer I. Applegate 3841 Siskiyou Medicine Lake, west side. 1981 Comment
  RSA237930  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1161 Siskiyou Above Halfway Spring, on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA239083  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA384953  Agrostis pallens M. B. Dunkle 9324 Siskiyou Marble Mountains. 2439 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  SEINET7594103 Image available Agrostis pallens F. W. Oettinger, R. F. Thorne 1969-1 1188 Siskiyou west side of English Lake, Salmon Mountains 1676 Comment
  HSC39675  Agrostis scabra J. P. Smith, J. O. Sawyer 1971-9-18 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  JEPS117468  Alisma plantago-aquatica Lowell Ahart, John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) 716 Comment
  JEPS83010  Allium acuminatum Roger Raiche with Kurt Zadnik 1982-10-14 20807 Siskiyou Forest Service Road 42N17 about 2 mi w Stewart Springs Road; Mt. Eddy area 1219 Comment
  CAS-BOT-BC459432  Allium acuminatum Alice Eastwood; John Thomas Howell 1934-4-20 1784 Siskiyou 4 miles N of Weed Comment
  HSC42108  Allium amplectens J. O. Sawyer, K. T. Stillman 1976-5-29 2751 Siskiyou Along Specimen Creek 884 Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan 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
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS61510  Allium validum George D. Butler 1908-8-3 109 Siskiyou near Log Lake; Shackleford Creek 1524 Comment
  UC803882  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4021 Siskiyou 10 mi w Weed (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  HSC4966  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-18 231 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC164051  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills; border of streams 1524 Comment
  UCD77319  Alnus incana subsp. tenuifolia Robert E. Preston 2002-6-20 1863 Siskiyou Klamath National Forest, Rainbow Mountain, north slope 1910 Comment
  UCR18793  Alnus incana subsp. tenuifolia John C. Roos 1945-9-1 3953 Siskiyou Salmon Mountains, mountains southwest of Etna 1829 Comment
  HSC22209  Alnus rhombifolia J. O. Sawyer 1969-7-11 865 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC171245  Alnus viridis subsp. crispa John Thomas Howell 1939-8-3 14956 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA204106  Alnus viridis subsp. sinuata Wm. Bridge Cooke; 1939-8-10 13862 Siskiyou Mount Shasta, around the springs on the walls of Mud Creek Canyon 2133 Comment
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 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
  CAS-BOT-BC18598  Alyssum alyssoides George Dexter Butler 1910-5-15 1341 Siskiyou Near Yreka. Comment
  SEINET7903653  Amaranthus californicus D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  UC1409346  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou below Halfway Spring (trail from English Lake to Diamond Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC142874  Amelanchier alnifolia var. semiintegrifolia Ira L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  CHSC27774  Amelanchier pallida K. Bridwell 1978-4-15 92 Siskiyou PP and L waterfall ca. 300 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  HSC76639  Amelanchier pallida K. T. Stillman 1976-6-25 83 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA237651  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 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
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  SEINET10628528 Image available Amelanchier pallida A. Arthur Heller 1905-6-5 Heller 7979 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136887  Amelanchier utahensis Doris K. Kildale 1928-7-4 5518 Siskiyou Summit of Divide between Salmon River & Scott Valley Comment
  CAS-BOT-BC136917  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11844 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC3527  Amsinckia tessellata R. C. Wunner 1965-6-22 256 Siskiyou Lava Beds National Monument, Canby Bay. 1220 Comment
  RSA465170  Anagallis arvensis Edwin Kline 1920-6-24 14839 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC45211  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC45218  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  RSA34228  Anaphalis margaritacea C. B. Wolf 1927-8-27 1148 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  JEPS13784  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou Yreka Comment
  RSA461382  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  CAS-BOT-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC4930  Anemone deltoidea J. O. Sawyer 1968-7-2 354 Siskiyou Upper drainage of Joe Creek 1677 Comment
  OBI80346  Anemone deltoidea David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC723023  Anemone drummondii C. L. Hitchcock and J. S. Martin 1930-7-9 5315 Siskiyou n. side of Black Mt. near Marble Mt.; Black Mt. 2072 Comment
  CAS-BOT-BC391933  Anemone lyallii Harley P. Chandler 1901-6-1 1551 Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  CAS-BOT-BC391977  Anemone occidentalis J. P. Smith; J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside west of Cliff Lake 1981 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  RSA470338  Angelica arguta var. arguta L. C. Wheeler 1934-8-16 3167 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  JEPS19763  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  HSC22435  Antennaria argentea J. O. Sawyer 1969-8-4 1795 Siskiyou Along C.C.C. road 1341 Comment
  CAS-BOT-BC58723  Antennaria geyeri L. E. Smith 1915-7-9 s.n. Siskiyou Near Sisson Comment
  JEPS84310  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road end area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  POM229877  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
  HSC29210  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; above Abbott's Lake Basin 1982 Comment
  SFV5166  Antennaria rosea B. C. Templeton 1960-6-21 8550 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  HSC21990  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-9 1252 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  HSC4643  Antennaria rosea subsp. rosea R. C. Wunner 1965-7-9 361 Siskiyou California Lava Beds National Monument; junction of main road and Crescent Butte Cinder Pit 1479 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  UC1096780  Apocynum androsaemifolium Barbe 1957-7-13 381 Siskiyou w. slope along path to spring w. of Big Flat Public Camp; Klamath Nat'l Forest 1524 Comment
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 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
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  SEINET10536307  Aquilegia formosa Linstedt 1984-5-27 LINSTEDT 68 Siskiyou T44n,r11w,sec.26, indian scotty campground, found on n-facing slope near Ceanothus and mitella. Corolla orange with yellow center 701 Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC40223  Arabidopsis thaliana J. P. Smith 1976-5-22 8789 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA0126146  Arabis divaricarpa L. C. Wheeler 1934-8-6 3053 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UC1408892  Arabis glabra F. W. Oettinger and R. F. Thorne 1969-8-5 1309 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  HSC46817  Arabis glabra William J. Ferlatte 1974-7-14 1520 Siskiyou Big Flat, near S fork of Salmon River, E side of Big Flat Campground and lower slopes of Grouse Ridge 1524 Comment
  HSC39200  Arabis holboellii var. pinetorum J. P. Smith 1976-5-21 8774 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  HSC22437  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-2 1013 Siskiyou Slope above Big Blue Lake 2256 Comment
  HSC39214  Arabis holboellii var. retrofracta J. P. Smith 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just W of Sawyers Bar 671 Comment
  CAS-BOT-BC16714  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River. Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  RSA0129720  Arabis platysperma George B. Grant 1902-9-7 5097 Siskiyou Mt. Shasta. Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC22086  Arabis rigidissima J. O. Sawyer 1969-8-1 1639 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC166108  Arabis subpinnatifida Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  CAS-BOT-BC407724  Arceuthobium abietinum W. R. Dudley s.n. Siskiyou side of Black Butte Comment
  CAS-BOT-BC407728  Arceuthobium abietinum Clarence R. Quick 1960-6-29 60 -21 Siskiyou Trestle Road to Hilt, N of Oak Knoll Ranger Station Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 Comment
  RSA237459  Arceuthobium californicum Frederick W. Oettinger 1969-9-5 1677 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
  SEINET2471194  Arceuthobium campylopodum R. L. Mathiasen 2009-8-15 2009 -46 Siskiyou 2.4 km from Stewart Hot Springs on forest road 17 1356 Comment
  SEINET2140126  Arceuthobium cyanocarpum R. L. Mathiasen 2007-1 2007 -54 Siskiyou 1.6 km N. of Park Creek trail head on forest road 17. 2000 Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  CAS-BOT-BC410075  Arceuthobium douglasii William Bridge Cooke 1939-8-25 13920 Siskiyou on the SW slopes of Mount Shasta 1524 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  CLARK-A1528-7768  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou Etna Comment
  HSC68313  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1228 Siskiyou SE edge of Flint Valley. 1390 Comment
  UCD52861  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 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-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  SEINET2029158 Image available Arctostaphylos patula L. C. Wheeler 1935-5-31 3413 Siskiyou Winston Butte, south base, west of Mt. Shasta 1189 Comment
  SEINET11988236  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cedar Lake 1768 Comment
  HSC6087  Arctostaphylos viscida G. L. Clifton, Griswold 1979-6-27 6087 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  HSC67139  Arctostaphylos viscida J. P. Smith 1973-5-5 6441 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC73228  Arctostaphylos viscida Gail Newton 1980-6-20 531 Siskiyou Near Bald Mtn. 1326 Comment
  RSA202100  Arctostaphylos viscida Freed W. Hoffman 1948-7-8 2584 Siskiyou North of West Branch Camp. Comment
  CAS-BOT-BC47016  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7717 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  UC718362  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1934-7-4 5925 Siskiyou 3 mi below Tee Bar Creek; Klamath River 213 Comment
  JEPS100201  Arenaria congesta var. suffrutescens Dean W. Taylor 2002-6-10 18123 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  RSA50233  Arnica cordifolia E. K. Balls 1949-7-9 13942 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC82552  Arnica discoidea Doris K. Kildale 1929-7-20 8628 Siskiyou trail up South [Frk] Fork of Indian Creek to Elk Lick 1524 Comment
  RSA264985  Arnica discoidea G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green pass near Seiad Valley 1463 Comment
  OBI55449  Arnica discoidea David J. Keil 1992-7-20 23507 Siskiyou Klamath Natl Foerst, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott River Rd 800 Comment
  UC76028  Arnica longifolia Milo S. Baker 1899-7-31 Siskiyou e slope, (on Oak Creek) Mt. Shasta; , Oak Creek Comment
  HSC22149  Arnica mollis J. O. Sawyer 1969-8-4 1809 Siskiyou Above Sugar Lake 2134 Comment
  SEINET5712781  Arnica mollis J. M. Tucker 1974-1 4322 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 1463 Comment
  RSA184712  Arnica parryi subsp. sonnei Gilbert Muth 1966-7-31 476 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  HSC77111  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-6-25 97 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC93762  Artemisia furcata K. T. Stillman 1976-7-9 220 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC97417  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  CHSC106108  Asclepias speciosa Lowell Ahart; John Dittes 2010-7-30 16965 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET10950966  Asclepias speciosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC29479  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou Salmon Mtns. Marble Mtn. Wilderness Area, due E and 50 ft. below Diamond Lake 2058 Comment
  CAS-BOT-BC178803  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1749 Siskiyou Near Yreka on Ft. Jones Road Comment
  POM24210  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Creek Comment
  CAS-BOT-BC177861  Astragalus curvicarpus var. curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC182967  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  UCD105227  Astragalus purshii var. lectulus W. R. Hildreth 1971-8-4 s.n. Siskiyou Summit of Marble Mountain. Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  UC1090388  Astragalus purshii var. tinctus Milo S. Baker 1957-6-16 13168 Siskiyou trip to Scott Mt. after turn off near Callahan; near Callahan Comment
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  SJSU2585  Asyneuma prenanthoides H. L. Buckalew 1962-7-4 Siskiyou Red Bank Camp, N Fork Salmon R, Salmon Mts Comment
  CAS-BOT-BC69574  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  RSA211515  Athyrium americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC23666  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou Head of Sugar Cr. 1860 Comment
  HSC29368  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou SE bank of Horse Range Lake 1829 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  CAS-BOT-BC66187  Athyrium filix-femina var. cyclosorum Grant 1902-9-15 5260 Siskiyou Shasta Springs Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  UC637178  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1073 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  CHSC72232  Atriplex rosea Vernon H. Oswald; Lowell Ahart 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1243 Comment
  UC163672  Atriplex rosea Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  POM211519  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CAS-BOT-BC106541  Balsamorhiza deltoidea Dorothy Parker 1961-4-20 825 Siskiyou Near Callahan 950 Comment
  CAS-BOT-BC100060  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  JEPS89303  Balsamorhiza lanata Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15981 Siskiyou ca. 4 air mi. s.w. Gazelle (hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley); Klamath Region (eKR), China Mt. Quad., Scott Mts. 960 Comment
  CAS-BOT-BC106446  Balsamorhiza sericea Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  HSC29189  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: N of Upper English Lake 1799 Comment
  HSC39830  Barbarea orthoceras J. O. Sawyer 1969-7-18 1369 Siskiyou Along S Russian Creek below Russian Lake 2012 Comment
  HSC64094  Barbarea orthoceras J. P. Smith 1973-5-5 6490 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CDA3610  Barbarea vulgaris C. S. Giebner 1961-5-1 Siskiyou Callahan . 0 Comment
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  SEINET3151153  Berberis nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou illegible Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  CHSC91250  Betula occidentalis Lowell Ahart; John Dittes 2005-6-10 12072 Siskiyou On the north side of the Shasta River, near rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC413075  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  CHSC86656  Blepharipappus scaber Jenny Marr 1993-7-1 39 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS11909  Blepharipappus scaber Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4793 Siskiyou 5 mi w of junction with U.S. Highway 99 (on grade over mountains on road from Yreka to Fort Jones); Yreka, Fort Jones 1158 Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  CAS-BOT-BC15803  Boechera acutina Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SEINET3165963  Boechera acutina P. J. Alexander 2008-7-24 868 -C Siskiyou Below the Pacific Crest Trail on the NW side of Lilypad Lake, +-0.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  CAS-BOT-BC16022  Boechera breweri subsp. breweri F. D. Douthitt 1926-3-16 52593 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  CAS-BOT-BC13809  Boechera howellii William Bridge Cooke 1941-8-14 16177 Siskiyou Mount Shasta. Above Horse Camp. 2743 Comment
  JEPS82521  Boechera lyallii Gilbert Muth 1966-8-3 493 Siskiyou Marble Valley Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 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
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC618785  Botrychium W. Bridge Cooke 1938-9-2 11600 Siskiyou along the Sisson Southern Trail Mount Shasta 1981 Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  JEPS25843  Boykinia major Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7468 Siskiyou at edge Twin Valley meadows (about 13 mi nw of Happy Camp); Siskiyou Mountains 1524 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  RSA127008  Bromus carinatus H. S. Yates 1936-6-21 5832 Siskiyou one mile southwest of Signal Butte. 1341 Comment
  CAS-BOT-BC149053  Bromus carinatus var. carinatus Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountains. Trail to Lookout, on ridge. 2042 Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  CAS-BOT-BC148800  Bromus carinatus var. marginatus William A. Dayton 1913-8-14 456 Siskiyou Shasta Forest. Ash Creek Sink. 1219 Comment
  CAS-BOT-BC155960  Bromus commutatus John Thomas Howell 1952-6-14 28350 Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC155982  Bromus diandrus R. E. Frenkel 1963-7-15 240 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River Railroad crossing near Mount Shasta. 1290 Comment
  CAS-BOT-BC162472  Bromus laevipes L. R. Short 1933-5-31 79 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  RSA239078  Bromus orcuttianus Frederick W. Oettinger 1969-8-3 1140 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD59264  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  UCD59539  Bromus rubens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3394 Siskiyou 7 miles N of Weed. Comment
  SACT000751  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou chaparral Comment
  CDA16171  Bromus tectorum G. F. Hrusa, T. D. Wilfred 1999-5-31 15070 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area former homestead, numerous cultivated plants, persisting, no evidence of habitation. With Lupinus albifrons on slope above river, in undisturbed area. Annual, common. 640 Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  LA13847  Bromus tectorum Wm. Bridge Cooke; 1938-6-17 11039 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC165294  Cacaliopsis nardosmia Geo. D. Butler 1900-5-1 1266 Siskiyou Humbug Mountain Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  CAS-BOT-BC185462  Calamagrostis canadensis Doris K. Kildale 1929-12-24 9100 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  HSC69231  Calamagrostis koelerioides Maralyn A. Renner 1980-9-1 2716 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC65345  Callitropsis nootkatensis Rich White 1978-7-18 257 Siskiyou Steep headwall at shoulder of NW ridge of Preston Peak 1905 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC1291  Calocedrus decurrens R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, along Tichner Rd. 2 mi. S of Mammoth Crater 1555 Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA12708  Calocedrus decurrens C. B. Wolf, E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 miles northeast of Fall River on road from Dana to Little Hot Springs Valley 1220 Comment
  RSA237991  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC139966  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou on Big Spring Creek; Sisson 1066 Comment
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  UC618672  Calochortus coeruleus unknown 1938-7-1 11154 Siskiyou above Bear Spring; Mount Shasta Comment
  CHSC96100  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  JEPS105052  Calochortus elegans Dean W. Taylor 1996-7-7 15802 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  SEINET4169788  Calochortus elegans C. L. Hitchcock, J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake , near King's Lake 1768 Comment
  CAS-BOT-BC488609  Calochortus elegans var. nanus L. E. Smith 1913-5-12 208 Siskiyou Dunsmuir Comment
  NY319580  Calochortus elegans var. oreophilus F. M. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  RSA249716  Calochortus nudus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC181517  Caltha leptosepala Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  RSA789267  Calycadenia truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 miles west of Gazelle on the Gazelle-Callahan Road, south of Yreka. 950 Comment
  HSC4943  Calypso bulbosa J. O. Sawyer 1968-6-18 199 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS96990  Calypso bulbosa Dean W. Taylor 1999-6-9 17231 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  RSA8246  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  SEINET10463325  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou NR KELLEY LAKE, PRESTON PK QUAD, NR HAPPY CAMP 4498', COBBLY SOIL Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10463080  Campanula prenanthoides Ferlatte 1966-8-18 FERLATTE 420 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. T37N R9W Sec. 19 & 30 1524 Comment
  SEINET10463093  Campanula prenanthoides Ground 1970-7-15 GROUND 594 Siskiyou Preston Peak, Klamath National Forest: slope northwest edge of Rattlesnake Meadow Montane Scrub 1646 Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463783  Campanula scouleri Setchell 1902-7-12 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463790  Campanula scouleri Ground 1970-7-22 GROUND 685 Siskiyou Preston Peak, Klamath National Forest: Raspberry Creek. Montane coniferous forest. 1494 Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10463882  Campanula wilkinsiana Cooke 1939-8-24 COOKE 11894 Siskiyou COMMON ALONG CREEKS IN SQUAW VALLEY CREEK MEADOWS 2286 Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  RSA297045  Cardamine cordifolia var. lyallii John F. Emmel 1974-7-21 521 Siskiyou Meaadows 0.2 air mile N of N end of lower Wright Lake, Marble Mtn Wildernes area. 2073 Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  HSC48639  Carex aquatilis D. H. Norris May 1970 12267 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC76315  Carex aquatilis L. P. Janeway 1982-8-21 167 Siskiyou Upper Twin Valley 1585 Comment
  HSC76317  Carex aquatilis L. P. Janeway 1982-7-11 62 Siskiyou Near Poker Flat next to creek crossing trail to Twin Valley/Kelly Lake 1555 Comment
  UC143808  Carex athrostachya Dr. E. B. Copeland 1903-9-7 3866 Siskiyou Mount Eddy 2133 Comment
  UC55222  Carex athrostachya H. M. Hall and E. B. Babcock Jun 1903 4062 Siskiyou Sisson Mount Shasta 106 Comment
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Nov 7 2009
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CAS-BOT-BC19654  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Ca. 0.5 mile north of West Branch USFS Station. 670 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  CHSC106472  Carex breweri Peter F. Zika 2009-8-16 24605 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2400 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC77165  Carex densa L. P. Janeway 1983-7-30 464 Siskiyou Along N shoreline of Iron Gate Reservoir 732 Comment
  UC1738896  Carex deweyana subsp. leptopoda Dean W. Taylor 1993-7-30 13985 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CAS-BOT-BC19873  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Ca. 15 air miles east of McCloud. Atkin's Meadow - at its northeast corner near the adjacent Lodgepole Pine Forest. Comment
  JEPS84066  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  CHSC106473  Carex fracta Peter F. Zika 2009-8-16 24603 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2370 Comment
  CAS-BOT-BC20749  Carex fracta Alice Eastwood; John Thomas Howell 1937-6-26 5058 Siskiyou Near Fork of Salmon Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  UC1755300  Carex inops subsp. inops Dean W. Taylor 2005-7-14 19406 Siskiyou Mount Shasta: Bear Spring, Big Canyon Creek drainage. 1533 Comment
  CAS-BOT-BC7659  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  CAS-BOT-BC7616  Carex interior Elmer Ivan Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 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
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  HSC85708  Carex luzulina L. P. Janeway 1982-7-2 33 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 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
  RSA577422  Carex mariposana L. C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mountains. 1677 Comment
  CHSC96143  Carex mertensii L. P. Janeway 2006-7-1 8718 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC32006  Carex multicaulis Elmer Ivan Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley. Comment
  RSA60627  Carex multicaulis I. L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC76788  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  HSC77270  Carex nebrascensis L. P. Janeway 1983-7-2 354 Siskiyou NW side of Klamath River and below Happy Camp 335 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  RSA233692  Carex nigricans Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237319  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1164 Siskiyou Diamond Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC119476  Carex nudata Louis C. Wheeler 1934-9-22 3296 Siskiyou Walker 518 Comment
  SEINET12774821  Carex nudata P. E. Hyatt 2002-8-6 11144 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CAS-BOT-BC119202  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CAS-BOT-BC119209  Carex pachystachya Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  HSC76655  Carex pachystachya K. T. Stillman 1976-7-23 296 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UCD140714  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls, east side of Mt. Eddy. 1524 Comment
  SEINET10713240  Carex pachystachya var. gracilis Louis C. Wheeler 1935-7-26 Wheeler 3718 Siskiyou Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. Wet sunny meadow. Jaynes Canyon. 1951 Comment
  JEPS63701  Carex pellita W. L. Jepson 1914-8-13 5792 Siskiyou Sisson 1097 Comment
  CDA33097  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou East side of Hwy 99, southern limits of Weed. 0 Comment
  CHSC102573  Carex phaeocephala L. P. Janeway 2009-8-4 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS117599  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) s 716 Comment
  UC1265433  Carex preslii Frederick W. Oettinger 1969-8-13 1357 Siskiyou on trail from Diamond Lake to Crapo View Gap Salmon Mountains, Marble Mountain Wilderness Area (the high lake basins in the vicinity of English Peak) 2438 Comment
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC91375  Carex rostrata Jennifer Whipple 1977-8-6 2244 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
  HSC76824  Carex scabriuscula L. P. Janeway 1982-8-14 136 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC30529  Carex scopulorum Frederick W. Oettinger 1969-8-6 1262 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lake lower hole 1951 Comment
  CHSC62596  Carex scopulorum var. bracteosa L. P. Janeway 1993-8-30 4562 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  HSC30556  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  UC1382  Carex straminiformis W. H. Brewer 1862-9-13 1397 Siskiyou Mt. Shasta 2133 Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  HSC30530  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Marble Mtn. Wilderness Area, between King David Peak and Abbotts Basin 1860 Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC39085  Carex vernacula D. H. Norris May 1970 12298 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  RSA211456  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  CAS-BOT-BC249375  Castilleja applegatei Elmer I. Applegate 1936-7-3 10499 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC103045  Castilleja applegatei subsp. pinetorum J. P. Smith 2014-6-7 13903 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  RSA425926  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 miles north of Mount Shasta City. 1159 Comment
  CAS-BOT-BC243751  Castilleja applegatei var. pinetorum Doris K. Kildale 1928-7-2 5394 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  JEPS57209  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  UC163704  Castilleja arachnoidea Geo. D. Butler 1908-8-6 422 Siskiyou n of and summit above West Fork Wooley Creek; ; N of W Fork Wooly Creek(?) Comment
  UC722105  Castilleja arachnoidea C. L. Hitchcock and J. S. Martin 1939-7-9 5333 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  UCR21105  Castilleja lacera T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CDA41242  Castilleja lacera A. & E. Hale 1984-6-1 s.n. Siskiyou Deer Meadow Road, near Yreka. 0 Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  SEINET3159239  Castilleja oreopola G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CDA41399  Castilleja pilosa County Ag. Dept. - Yreka 1959-5-25 s.n. Siskiyou Farm of Clint Jackson, Edgewood. 0 Comment
  CAS-BOT-BC32646  Castilleja pinetorum var. fragilis Copeland 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  CHSC9486  Castilleja pruinosa J. F. Goodwin 1971-7-3 139 Siskiyou North side of road . 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  RSA428399  Castilleja pruinosa M. B. Dunkle 1944-7-18 9132 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC241084  Castilleja schizotricha G. J. Muth 1969-8-6 1200 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  SFV8659  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Marble Mountain Wilderness Area. Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain). 2104 Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  CAS-BOT-BC48704  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  UC61165  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC49187  Ceanothus cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  UC796506  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11811 Siskiyou At Mule Creek crossing of Scott Mt. Rd 1524 Comment
  CAS-BOT-BC50247  Ceanothus integerrimus Doris K. Kildale 1929-7-20 8656 Siskiyou trail up South Fork Indian Creek to Elk Lick Comment
  JEPS42461  Ceanothus integerrimus W. L. Jepson 1902-7-17 2063 A Siskiyou Devil's Backbone 1828 Comment
  CAS-BOT-BC53091  Ceanothus prostratus Brandegee 1891-7-1 71 Siskiyou Sisson's Mt. Shasta Comment
  CAS-BOT-BC53098  Ceanothus prostratus Elmer I. Applegate 1895-5-29 82 Siskiyou Sisson Comment
  POM85302  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest Foothills. Comment
  RSA14414  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou [No location data on label] Comment
  RSA399822  Ceanothus prostratus Bonnie C. Templeton 1964-6-9 10069 Siskiyou Slope of Mt. Shasta Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  CAS-BOT-BC52170  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  JEPS42293  Ceanothus sanguineus Duncan Dunning 1922-6-5 Siskiyou Moffitt Creek 1066 Comment
  SEINET3162954  Ceanothus sanguineus G. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 2134 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC63158  Ceanothus velutinus W. B. C. 1938-6-24 11104 Siskiyou Sisson Southern Trail. 1524 Comment
  JEPS82497  Ceanothus velutinus Gilbert Muth 1965-7-30 141 Siskiyou back n ridge Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CDA7266  Centaurea maculosa Steelman, Casson 1996-7-1 Siskiyou I-5 at Mott Road interchange north of Dunsmuir. 0 Comment
  UCD108106  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S2-D Siskiyou Along Klamath River. Comment
  POM130333  Centaurium muehlenbergii E. B. Copeland 1903-7-14 3513 Siskiyou Klamathon. Comment
  UC897714  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou 2 mi se Yreka (Mt. Diablo Mer.); Shasta Valley 853 Comment
  CAS-BOT-BC288794  Centromadia fitchii L. R. Abrams 1927-9-11 12140 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CAS-BOT-BC288798  Centromadia fitchii Donald Myrick 1961-6-21 295 Siskiyou Along Highway 99 just S of Yreka Comment
  SEINET7379744 Image available Centromadia fitchii G. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  UCD97998  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC27672  Cercis occidentalis Carl W. Mize 1972-6-8 28 Siskiyou Along the main trail 351 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  UC585107  Cercocarpus betuloides var. betuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1922 Siskiyou about 7 mi sw of Yreka (s of hwy from Yreka to Fort Jones); Forest House Mountain 1371 Comment
  HSC18572  Cercocarpus ledifolius D. M. Thomson 1965-7-10 122 Siskiyou California Lava Beds National Monument, by Information Center parking lot Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS80545  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Black Mountain front slope, Marble Mt. Wilderness Area Black Mountain, Marble Mountain 2194 Comment
  UC1282028  Chaenactis douglasii var. douglasii Louise Kellogg Aug 5 1953-Aug 7 1953 128 Siskiyou 1 mi n of Cory Peak (Klamath National Forest (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road), Cabin Meadow); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  UCD19695  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  SEINET3863160 Image available Chamaecyparis lawsoniana Dan Youngberg 1964-7-19 76 Siskiyou Growing along West Branch of Indian Creek. S23, R6E, T18N, Humbolt Meridian.; 0 671 Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  CHSC1915  Chamaesaracha nana V. Holt 1932-6-23 Siskiyou McCloud river. Comment
  JEPS74470  Cheilanthes gracillima W. J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  CAS-BOT-BC68219  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  HSC60903  Chimaphila menziesii Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC452270  Chimaphila umbellata Alice Eastwood 1912-7-23 1352 Siskiyou Cantara Comment
  UC1483423  Chimaphila umbellata John Palmer 1980-8-15 1007 Siskiyou n.e. Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath Nat'l Forest, Seiad Valley Quad. 1463 Comment
  SD73153  Chimaphila umbellata Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC91334  Chrysolepis sempervirens Jennifer Whipple 1976-9-4 1796 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2348 Comment
  RSA34968  Chrysolepis sempervirens Roxana S. Ferris, Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lava Beds National Monument; Shasta National Forest. Comment
  RSA82828  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou Ca. 5 miles south-east of Callahan, beside road up Scott Mountain. Comment
  UC5442  Chrysolepis sempervirens Milo S. Baker 1893-8-17 Siskiyou near mouth Sacramento Canyon; Squaw Valley Mts. Comment
Read comments
1
  JEPS15738  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  HSC96305  Cinna latifolia Gordon Leppig 1998-8-14 1035 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UCD59689  Cinna latifolia Robert E. Preston 2001-7-20 1690 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, north of Hemlock Lake. 1731 Comment
  SBBG4936  Circaea alpina H. and M. Dearing 1939-7-1 3769 Siskiyou Etna Crk, W of Etna on grade 1219 Comment
  HSC19235  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1408 Siskiyou Head of S Russian Creek 1829 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  RSA453424  Circaea alpina subsp. pacifica M. B. Dunkle 1944-7-16 9114 Siskiyou Siskiyou National Forest 1768 Comment
  JEPS82112  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  UC30779  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 B Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC288772  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  POM33220  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC286475  Cirsium scariosum David D. Keck 1949-7-19 6350 Siskiyou 2 mi. S. of Grenada 777 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC930739  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview Scott Valley 883 Comment
  SJSU6071  Clarkia rhomboidea R. W. Trivelpiece 1971-7-5 45 Siskiyou Little Shasta Cr c. 8 mi E of Shasta Valley 1219 Comment
  UC337290  Clarkia rhomboidea Lemmon 1889-6-17 Siskiyou Edgwood Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC164975  Clarkia rhomboidea A. A. Heller 1928-6-9 14598 Siskiyou Slopes of Spring Hill near the town of Mt. Shasta 1097 Comment
  UCSB385  Clarkia rhomboidea Myrick, Donald 1961-6-20 Siskiyou near Mt.Shasta City 1066 Comment
  SEINET5336338  Claytonia cordifolia G. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  UC163798  Claytonia exigua subsp. exigua Geo. D. Butler 1909-4-17 674 Siskiyou near Yreka Comment
  HSC39748  Claytonia exigua subsp. exigua J. O. Sawyer 1970-4-4 2087 Siskiyou Along Sugar Creek 823 Comment
  HSC92962  Claytonia lanceolata Jennifer Whipple 1976-6-19 1068 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  HSC103544  Claytonia palustris J. O. Sawyer 1970-7-4 2322 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC439630  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53398 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC443820  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC796435  Claytonia rubra subsp. rubra Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11807 Siskiyou at Mule Creek crossing Scott Mountain Road; Mule Creek 1524 Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  JEPS24435  Claytonia saxosa Dorothy Boedecker 1941-3-6 Siskiyou e side Scott Valley 762 Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  UC1258443  Claytonia sibirica Maralyn A. Renner 1980-7-23 1839 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  POM164048  Claytonia sibirica E. B. Copeland 1903-8-13 3891 Siskiyou Sisson. 1067 Comment
  RSA238294  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Meadow at spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  SEINET3159193  Clematis ligusticifolia G. D. Butler 1910-8-3 sn Siskiyou Yreka creek Comment
  UC61655  Clematis ligusticifolia Geo. B. Grant September 1902 5215 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  UCSB18255  Collinsia linearis Breedlove, Dennis 1962-6-10 Siskiyou on roadbank along Indian Creek Road; 11.7 miles northwest of Happy Camp; Siskiyou Mountains 594 Comment
  HSC41087  Collinsia parviflora J. O. Sawyer 1970-3-4 2073 Siskiyou N of Idlewild Campground. 762 Comment
  RSA47996  Collinsia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11734 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC72483  Collinsia rattanii J. P. Smith 1973-5-5 6388 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  RSA412242  Collinsia torreyi Louis C. Wheeler 1935-4-17 3423 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  JEPS71023  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  HSC45982  Collomia heterophylla J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CAS-BOT-BC286040  Conyza canadensis L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 Comment
  UC196060  Cordylanthus tenuis A. A. Heller 1914-8-26 11723 Siskiyou Weed 975 Comment
  UCSB61656  Cordylanthus tenuis Bacigalupi, Rimo 1954-8-13 Siskiyou Lower part of grade over Scott Mountain, on road from Callahan to Carrville, 1.2 mi. above (& So. of) junction with Gazell road 1097 Comment
  JEPS6790  Cordylanthus tenuis subsp. pallescens Willis L. Jepson July 1894 21345 Siskiyou near Miner's Peak (<= ?> Black butte, w side of Mt. Shasta); Upton Plateau Comment
  JEPS86236  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1979-8-16 5157 Siskiyou n Mt. Shasta City (just sw of Black Butte, corner of old Hwy 99 and Pony Tail Dr.) 914 Comment
  CHSC111093  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. 704 Comment
  UCD123173  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. 1344 Comment
  JEPS60492  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6743 Siskiyou 27 mi n Happy Camp (Elder Mt Rd junction, on road to O'Brien) 822 Comment
  JEPS7008  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and se of) summit of road between Takilma, Ore. and Happy Camp, CA (drainage of West Branch of Indian Creek); Siskiyou Mountains, Klamath National Forest 914 Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  CAS-BOT-BC210394  Cornus sericea Doris K. Kildale 1929-7-20 8665 Siskiyou Trail for Elk Lick to Raspberry Lake near east spur Preston Peak 1828 Comment
  CAS-BOT-BC210398  Cornus sericea A. A. Heller 1920-6-27 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210413  Cornus sericea John Thomas Howell 1937-7-22 13289 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC210420  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou Near Sisson Comment
  HSC29144  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake. 1723 Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  JEPS75962  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Trinity Alps, Yellow Rose Mine Trail 1706 Comment
  UCD105669  Coronilla varia T. C. Fuller; G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I 5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  POM208197  Crataegus suksdorfii Louis C. Wheeler 1934-6-27 2804 Siskiyou Siskiyou Mountains : Cottonwood Creek. 884 Comment
  SBBG30619  Crepis acuminata D. Myrick 1968-6-22 1989 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC290480  Crepis acuminata Wm. Bridge Cooke 1940-6-4 15014 Siskiyou Mount Shasta. Near the Bolam Road Comment
  CAS-BOT-BC299655  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka Comment
  CDA4445  Crepis occidentalis Jess Grisham 1958-5-12 399 -58 Siskiyou W.H. Gamble property, Yreka. 0 Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  RSA78826  Crepis occidentalis subsp. conjuncta P. A. Munz 1952-7-2 17904 Siskiyou Baldy Mountain, about 6 air miles west of Happy Camp, Siskiyou Mts. 1723 Comment
  CAS-BOT-BC376563  Crepis occidentalis subsp. costata A. A. Heller 1905-6-19 8065 Siskiyou Along the railroad near Grenada station Comment
  HSC43862  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC43863  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UCD130980  Crepis pleurocarpa J. M. Tucker; L. K. Mann 1963-8-18 3762 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC290871  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou 2 mi. E White Mt., Siskiyou Mts. 1920 Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  SEINET7838868 Image available Crepis pleurocarpa H. M. Hall, E. B. Babcock 4024 Siskiyou Upper Sacramento River near Chromite 457 Comment
  JEPS93849  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9215 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  CDA4483  Crocidium multicaule G. Deal 1965-4-2 Siskiyou Butte Valley; Highway 97 south of Dorris. 0 Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  RSA63067  Crocidium multicaule L. S. Rose 1950-5-7 50107 Siskiyou Derris. 1292 Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  HSC99209  Cryptantha affinis J. O. Sawyer 1969-7-1 967 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  JEPS107318  Cryptantha intermedia Lowell Ahart, John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC36748  Cryptantha torreyana J. P. Smith 1974-5-25 7393 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC27334  Cryptogramma acrostichoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5710 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC19043  Cryptogramma acrostichoides J. O. Sawyer 1969-7-7 1071 Siskiyou NW facing upper slope above Little Duck Lake 2159 Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  UC618844  Cryptogramma cascadensis W. Bridge Cooke 1938-8-18 11502 Siskiyou above Horse Camp (Lower Horse Camp Slopes); Mt Shasta 2514 Comment
  CAS-BOT-BC80560  Cupressus bakeri John Kipping 1970-9-8 s.n. Siskiyou between e. and w. forks of Seiad Creek, Siskiyou Mts. 853 Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  CDA39930  Cuscuta campestris T. C. Fuller 1963-8-27 11167 Siskiyou South side of Dorris-Tulelake Highway, 12 miles west of Hatfield. 0 Comment
  JEPS85596  Cuscuta howelliana W. Robert Powell 1989-7-19 3533 Siskiyou 16 air mi n Fall River Mills (and 6 air mi w of Day, Modoc County, 1.2 mi e of Springs Creek Rd); Timbered Crater 7.5' Quad. 1097 Comment
  HSC45202  Cycladenia humilis J. Sawyer, E. Cope 1977-6-21 2977 Siskiyou Near Prescott Peak. 1677 Comment
  RSA38304  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte 1220 Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  UC61043  Cycladenia humilis var. humilis W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Mt. Shasta, Sisson Comment
  CHSC65214  Cymopterus terebinthinus var. californicus Julie Kierstead 1991-4-23 91004 Siskiyou Mt. Shasta Ranger District. North side of Mt. Shasta, north of Hwy. 97, 2 mi. SW of Haystack Rock. 1066 Comment
  UCD77585  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-6-20 1834 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  UCD77587  Cynoglossum officinale Robert E. Preston 2002-7-11 1898 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC114688  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou W. Fork Beaver Dreek. 1066 Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  CAS-BOT-BC70712  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou Along Thompson Creek, 3.5 miles above South Fork of Salmon River 1371 Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  HSC9541  Dactylis glomerata C. B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  RSA593953  Darlingtonia californica Louis C. Wheeler 1963-8-29 8303 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1433 Comment
  UCD168822  Darlingtonia californica Barry Rice 2015-8-14 BR 150801 Siskiyou Southwest shore of Castle Lake. 1660 Comment
  UCD168832  Darlingtonia californica Barry Rice 2015-8-15 BR 150803 Siskiyou Small site on the side of Hwy 26. 1786 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC420666  Darmera peltata Doris K. Kildale 1928-7-3 5451 Siskiyou Little North Fork Salmon River Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  HSC27050  Delphinium depauperatum J. O. Sawyer 1971-7-15 2427 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CAS-BOT-BC10133  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mt. 1818 Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  CAS-BOT-BC116167  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC116173  Delphinium nuttallianum Dorothy Inez Parker 1945-7-19 98 Siskiyou Bear Creek 1828 Comment
  UCD77598  Delphinium nuttallianum Robert E. Preston 2001-6-23 1615 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 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
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  CAS-BOT-BC201948  Deschampsia elongata John Thomas Howell 1939-8-2 14935 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  SEINET10524243  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 627 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Dryish, vegetated, northwest edge of the meadow, on the upper side of the road. 1524 Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  CAS-BOT-BC402475  Dicentra formosa subsp. formosa L. E. Smith 1913-4-24 100 Siskiyou Castle Crags Station Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA120726  Dicentra pauciflora S. S. Tillett 1956-7-9 644 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  CAS-BOT-BC402550  Dicentra pauciflora W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, region of Mt Shasta Comment
  SEINET10859948  Dichanthelium lanuginosum A. Arthur Heller 1905-6-5 Heller s.n. Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC45013  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6485 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC502677  Dichelostemma multiflorum V. Rattan 1879-6-1 s. n. Siskiyou Klamath Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  UC29894  Dieteria canescens var. shastensis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson, Mount Shasta Mount Shasta Comment
  UC598535  Dieteria canescens var. shastensis C. Hart Merriam 1898-7-17 3 Siskiyou Mt. Shasta Comment
  UC1576753  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9250 Siskiyou on crater floor at n interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC153647  Diplacus jepsonii Elmer I. Applegate 1923-8-18 3866 Siskiyou Top of Redshale Mountain, east of Medicine Lake Comment
  CAS-BOT-BC153456  Diplacus layneae Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  SEINET8341672  Diplacus nanus W. B. Cooke, V. G. Cooke 1962-6-30 45418 Siskiyou near Military Pass Road above Andesite Crossing, Mt. Shasta. 1524 Comment
  RSA78835  Dodecatheon hendersonii P. A. Munz 1952-7-2 17913 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  POM76574  Dodecatheon hendersonii Geo. D. Butler 1230 Siskiyou Pine woods, Quartz Valley Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  HSC40000  Draba aureola Jennifer Whipple 1976-7-24 1121 Siskiyou NW face of Mt. Eddy 2713 Comment
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  HSC197  Draba carnosula William J. Ferlatte 1967-7-26 757 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  RSA237274  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Down northeast end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2186 Comment
  RSA237280  Draba howellii Frederick W. Oettinger 1968-9-1 646 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC41306  Draba pterosperma John Thomas Howell 1939-8-8 15160 Siskiyou Marble Mountains. Black Mountain. Comment
  RSA186336  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  UCD113085  Drymocallis glandulosa Lynette Renouf 1992-5-31 24 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along the south fork of the Sacramento River. Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  RSA50232  Drymocallis glandulosa var. glandulosa E. K. Balls 1949-7-9 13940 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  UCD70122  Dryopteris arguta D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Seiad Valley-Happy Camp. Jefferson State Scenic Byway close to Klamath River. 430 Comment
  SJSU15097  Dysphania ambrosioides C. W. Sharsmith 1992-9-17 9243 Siskiyou Devils Homestead (lava flow), Lava beds National Monument 1225 Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  NY335211  Echinospermum greenei E. L. Greene 1876-5-10 744 Siskiyou Yreka Comment
  OBI80338  Elatine chilensis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC98409  Eleocharis decumbens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1181 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  UC642544  Eleocharis macrostachya H. K. Svenson 1939-6-23 13517 Siskiyou Bear Springs Mount Shasta 1524 Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  RSA238951  Eleocharis palustris Frederick W. Oettinger 1968-9-5 716 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  RSA610532  Eleocharis parishii L. C. Wheeler 1935-6-9 3550 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA184708  Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou Meadow on Black Mountain Trail, Marble Mountains 1799 Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  UCR143506  Elymus caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley 793 Comment
  UCD61650  Elymus elymoides subsp. californicus Robert E. Preston 2001-6-23 1624 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  UC1024954  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-25 3308 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 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
  HSC51628  Elymus glaucus Marvin Butler 1971-8-11 287 Siskiyou Near Marv's Meadow, close to the town of Cave Junction 2073 Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus southwest of Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC618640  Elymus glaucus W. Bridge Cooke 1938-7-15 11176 Siskiyou Bear Springs Mount Shasta (near spring creeks) Comment
  HSC101828  Elymus stebbinsii J. P. Smith, J. O. Sawyer 2011-7-31 13353 Siskiyou Sugar Creek Trail west of Callahan 1463 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  UCD62716  Elymus trachycaulus A. H. Murphy 1956-8-14 56 A Siskiyou Little Mill Creek Meadow. Klamath N. F. 2011 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  RSA463114  Epilobium angustifolium subsp. circumvagum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CHSC86458  Epilobium brachycarpum Jenny Marr 1993-7-1 75 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA15795  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1034 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC93865  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  HSC49651  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-8-7 4543 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  HSC61177  Epilobium glaberrimum Al Hobart 1967-7-19 Siskiyou El Capitan Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  RSA237397  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA755537  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  HSC46111  Epipactis gigantea J. P. Smith, Steve Selva 1970-6-15 3986 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  UC42745  Equisetum hyemale subsp. affine M. A. Howe 1894-8-8 196 Siskiyou woods near Shasta Springs Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS45874  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath R. 670 Comment
  UCD63886  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts. Oak Knoll Ranger Station, Klamath River. 670 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC174231  Eremogone congesta var. congesta M. B. Dunkle 1945-7-22 7238 Siskiyou Klamath National Forest. Big Elk Lake basin, Wooley Pocket 2072 Comment
  SEINET12875579 Image available Eremogone congesta var. suffrutescens Frederick W. Oettinger 1969-1 395 Siskiyou Trail break on Crapo Peak ridge 2195 Comment
  CAS-BOT-BC286705  Ericameria bloomeri Doris K. Kildale 1928-8-20 6614 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  SEINET516140  Ericameria nauseosa var. speciosa Vernon H. Oswald 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC294403  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  UC1333338  Erigeron aliceae Dorothy Parker 1968-7-18 1024 Siskiyou Salmon Cut Siskiyou Mountains, Salmon Cut 1828 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  CAS-BOT-BC294503  Erigeron bloomeri var. bloomeri R. C. Barneby 1954-5-16 11531 Siskiyou 6 mi. s.-w. of Yreka 975 Comment
  RSA455855  Erigeron bloomeri var. pubens M. B. Dunkle 1945-1 9357 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  CHSC62178  Erigeron cervinus Wayne Rolle 1991-8-1 485 Siskiyou Siskiyou Mountains. On east side of Pyramid Peak. Between small lake and the small pond above it. 1615 Comment
  JEPS105053  Erigeron cervinus Dean W. Taylor 1996-7-7 15803 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC46719  Erigeron compositus William J. Ferlatte 1974-7-15 1547 Siskiyou Dorleska summit, Grouse Ridge 200yd N of summit 2134 Comment
  UC585086  Erigeron filifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1955 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); Mt. Shasta 1249 Comment
  POM357580  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  CAS-BOT-BC296127  Erigeron foliosus var. confinis Doris K. Kildale 1929-7-20 8688 Siskiyou Raspberry Lake upper South Fork of Indian Creek 1828 Comment
  JEPS84323  Erigeron glacialis var. glacialis L. R. Heckard with J. Hickman et al. 1986-7-17 6475 Siskiyou trail up Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley, in a n-facing cirque) 1800 Comment
  UCD77641  Erigeron inornatus var. calidipetris Robert E. Preston 2001-7-21 1709 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 2026 Comment
  JEPS105172  Erigeron inornatus var. inornatus Dean W. Taylor 1993-7-30 14020 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC455841  Erigeron inornatus var. inornatus I. J. Condit 1911-7-3 Siskiyou along R.R. Shasta Retreat (Shasta Retreat) Comment
  JEPS109830  Erigeron nivalis Dean W. Taylor 2006-8-8 19578 Siskiyou Dry Creek Peak (ridge ca. 12 air miles NE of Mt Shasta summit, at headwaters Antelope Creek 2194 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  UC73902  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  UC24052  Eriodictyon californicum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  POM267114A  Eriogonum baileyi var. baileyi L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  CAS-BOT-BC246489  Eriogonum diclinum H. A. Thomas; J. H. Thomas 1954-7-24 4508 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC255728  Eriogonum elatum var. elatum Gilbert J. Muth 1969-8-6 1244 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC255759  Eriogonum elatum var. villosum Douglas Barbe 1955-7-4 087 Siskiyou 1.3 miles south of Etna on the Westside Road to Callahan, Klamath Mountains 853 Comment
  CHSC97394  Eriogonum hirtiflorum Jenny Marr 2006-6-18 230 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  HSC42999  Eriogonum luteolum J. P. Smith, Steve Selva 1970-6-15 3979 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  HSC43447  Eriogonum nudum var. nudum Jennifer Whipple 1976-7-8 1360 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  CAS-BOT-BC269740  Eriogonum nudum var. oblongifolium Alice Eastwood 1912-7-23 1355 Siskiyou Cantara Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  CAS-BOT-BC272472  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-8-3 10009 Siskiyou At north base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  CAS-BOT-BC272498  Eriogonum nudum var. pubiflorum V. June Wetherell 1961-8-9 491 Siskiyou Lava Beds National Monument Comment
  LA206891  Eriogonum nudum var. pubiflorum A. A. Heller; 1927-8-2 14443 Siskiyou Gravelly plains about 3 mi. S of Yreka; Transition Zone Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  CAS-BOT-BC258742  Eriogonum ovalifolium var. ovalifolium Elmer I. Applegate 1935-6-11 9493 Siskiyou Upper Ice Cave Area, Lava Beds National Monument Comment
  UC726561  Eriogonum ovalifolium var. purpureum A. A. Heller 1938-7-13 15272 Siskiyou meadow about 1 mi s Bray 1402 Comment
  LA207005  Eriogonum pyrolifolium W. B. C. after Stokes; 1939-7-17 sn Siskiyou upper Panther Creek Meadows 2438 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 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-BC267709  Eriogonum roseum Carl B. Wolf 1927-8-26 1082 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CHSC67580  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3415 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  CHSC71594  Eriogonum siskiyouense Vernon H. Oswald; Lowell Ahart 1998-8-3 9406 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside opening. 1524 Comment
  HSC43445  Eriogonum siskiyouense Jennifer Whipple 1976-8-20 1719 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  UC1324597  Eriogonum spergulinum var. reddingianum W. B. and V. G. Cooke 1966-7-17 37249 Siskiyou vicinity Inconstance Creek (meadow openings along Military Pass Road); Mt. Shasta 1828 Comment
  JEPS56420  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1909-5-10 721 Siskiyou near Yreka Comment
  SEINET13761715  Eriogonum sphaerocephalum var. halimioides R. R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  HSC17426  Eriogonum strictum var. anserinum R. C. Wunner 1965-6-7 127 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  CAS-BOT-BC263382  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC267940  Eriogonum umbellatum Gilbert Muth 1969-8-6 1184 Siskiyou Boulder Peak Comment
  CAS-BOT-BC267931  Eriogonum umbellatum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267993  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-21 13169 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  CHSC26172  Eriogonum umbellatum var. dumosum J. P. Kroessig 1977-8-6 61 Siskiyou Big Castle Lake, ca. 8.8 km wnw of Dunsmuir. 1700 Comment
  CAS-BOT-BC268143  Eriogonum umbellatum var. goodmanii E. K. Balls 1949-7-9 13945 Siskiyou Rd. from Etna to Sawyer's Bar. Summit of pass over Salmon Mts. 1478 Comment
  HSC43431  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-24 1552 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  UC1949261  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-16 9385 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  CAS-BOT-BC262377  Eriogonum vimineum W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  HSC69349  Eriophorum crinigerum Maralyn A. Renner 1980-8-21 2548 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC300354  Eriophyllum Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC94804  Eriophyllum lanatum R. C. Wenk 2006-7-24 532 Siskiyou Scott Mtns., border between Trinity and Siskiyou Cos., along Pacific Crest Trail, 0.5 km E of Hwy. 3 1700 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  RSA256612  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  CHSC331  Eriophyllum lanatum var. integrifolium V. Holt 1943-8-15 Siskiyou Marble mountains. 1219 Comment
  HSC19556  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-25 1548 Siskiyou W of High Lake 2256 Comment
  UC643287  Eriophyllum lanatum var. integrifolium unknown 1940-7-26 15368 Siskiyou in the lower part of Diller Canyon (in openings between chaparral and pine woods); Mount Shasta, Diller Canyon 1524 Comment
  POM358043  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-19 9218 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA12494  Eriophyllum lanatum var. lanceolatum C. B. Wolf 1934-7-4 5943 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 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
  UC1565573  Eryngium mathiasiae Beth Corbin 1989-8-28 547 Siskiyou ca. 15 air mi. n. Fall River Mills (ca. 1/4 mi. n.-n.w. of Adobe Flat Reservoir) 1097 Comment
  RSA264997  Erysimum capitatum Gilbert Muth 1975-7-29 5366 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  CAS-BOT-BC55121  Erysimum perenne Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  HSC91048  Erysimum perenne Jennifer Whipple 1976-7-14 1474 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  SEINET14287547  Erythranthe guttata G. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  SEINET14374345  Erythranthe primuloides G. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1219 Comment
  POM109650  Erythronium californicum Geo D. Butler 1909-4-24 661 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC133273  Erythronium citrinum Elmer I. Applegate 1932-4-16 7062 Siskiyou 6 miles down the Klamath River from the mouth of Doggett Creek, just above Hamburg Comment
  HSC58943  Erythronium grandiflorum subsp. grandiflorum Marvin Butler 1971-7-6 28 Siskiyou Near El Capitan 1524 Comment
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  SEINET10924656 Image available Eschscholzia californica Edwin B. Copel 1903-7-2 Copeland 3532 Siskiyou Klamathon. On a dry hill. Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  HSC65053  Euonymus occidentalis J. P. Smith, Steve Selva 1970-6-16 4089 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  JEPS69764  Euphorbia crenulata W. B. and V. G. Cooke 1972-7-6 45461 Siskiyou Mud Creek Dam Road Mt. Shasta (Mt. Shasta) Comment
  UC375459  Euphorbia crenulata Geo. D. Butler 1909-4-28 909 Siskiyou Cherry Creek Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC29204  Eurybia radulina Frederick W. Oettinger 1969-8-29 1563 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; above 'Willow Springs' between Abbott's Upper Cabin and English Lake 1677 Comment
  UC1557805  Euthamia occidentalis J. Semple, S. Heard 1986-8-16 8468 Siskiyou 1.6 km w Horse Creek (CA-96, before CA-3) Comment
  CAS-BOT-BC413902  Fallopia convolvulus R. E. Frenkel 1963-7-13 249 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  CAS-BOT-BC283181  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  HSC68492  Festuca idahoensis Maralyn A. Renner 1980-6-9 858 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC42967  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-29 2750 Siskiyou Along Specimen Creek. 1433 Comment
  HSC99293  Festuca occidentalis Gail Newton 1980-6-20 487 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET10930646  Festuca pratensis Louis C. Wheeler 1935-6-2 Wheeler 3545 Siskiyou Damp sunny river flat, Shasta River. Siskiyou Mts. T45N R7W S1. Mt. Diablo Mer. 732 Comment
  UC593533  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1945 Siskiyou about 8m mi s Yreka 822 Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CAS-BOT-BC278639  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  SEINET8274264  Fragaria vesca W. Bridge Cooke 1938-6-24 11079 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC457571  Fragaria vesca subsp. californica Clarence R. Quick 1959-6-19 59 - 21 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC59986  Frangula purshiana L. E. Smith 1912-8-1 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  HSC100188  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-3 13408 Siskiyou Along Old Shasta River Road. 744 Comment
  SBBG26938  Frangula purshiana subsp. purshiana D. K. Kildale 1928-8-20 Siskiyou between Finleys upper camp and English Lake, Salmon Mtns 1371 Comment
  SEINET11249900  Frangula rubra H. M. Hall, E. B. Babcock 4172 Siskiyou Head of McCloud River 1524 Comment
  RSA24286  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3.5 miles below mouth of Shasta River 610 Comment
  UC164252  Fritillaria affinis Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  UC909365  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou 0.3 mi w of Carmen Lake 1706 Comment
  HSC68357  Galium aparine J. P. Smith 1973-5-5 6503 Siskiyou Along Cook and Green Pass Rd. 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
  HSC58970  Galium bifolium Gilbert Muth 1975-7-29 3075 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  HSC19301  Galium bifolium J. O. Sawyer 1969-7-10 1282 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  JEPS26663  Galium bolanderi Lauramay T. Dempster 1961-7-2 1846 Siskiyou Sugar Pine Gulch Scott River (s of Steelhead) Comment
  JEPS52691  Galium bolanderi Lauramay T. Dempster 1963-9-2 3918 Siskiyou Happy Camp Rd 7 mi s state line Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  HSC39829  Galium triflorum J. O. Sawyer 1969-7-18 1398 Siskiyou Above S Russian Creek 1905 Comment
  HSC99812  Galium triflorum C. B. Wolf 1927-8-26 1065 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  HSC19070  Galium triflorum J. O. Sawyer 1969-6-11 834 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC29316  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Marble Mtn. Wilderness Area, along trail on E side of Hancock Lake 1936 Comment
  POM210648  Galium triflorum Louis C. Wheeler 1934-7-2 2836 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  CAS-BOT-BC182233  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC182277  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  HSC8396  Garrya fremontii C. B. Wolf 1927-8-27 1136 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  UC637152  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch of Indian Creek (watershed of West Branch of Indian Creek) 1219 Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  HSC26905  Gaultheria humifusa J. P. Smith 1971-9-17 4782 Siskiyou Little Duck Lake 1921 Comment
  HSC36727  Gaultheria shallon Brent Whiteley 1975-7-8 152 Siskiyou 610 Comment
  JEPS47719  Gayophytum diffusum subsp. parviflorum W. B. and V. G. Cooke 1966-7-16 37212 Siskiyou above Hotlum Station (along old dirt road); Mt. Shasta 1676 Comment
  CDA38117  Gayophytum diffusum subsp. parviflorum T. R. Haig & F. D. Horn 1979-7-26 s.n. Siskiyou Access road at Alder Creek, near Bray. 0 Comment
  HSC16313  Gayophytum diffusum subsp. parviflorum D. M. Thomson 1965-6-19 97 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC29481  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  UC164084  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  UC873666  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC91281  Gentiana calycosa Jennifer Whipple 1976-9-3 1777 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC29222  Gentiana calycosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Marble Mtn. Wilderness Area, SE side of Wire Grass Meadow and bordering on English Lake outlet brook. 1677 Comment
  UC1584288  Gentiana newberryi var. newberryi J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -71 Siskiyou s side Forest Service Rd. 26 (Gumboot Creek); Shasta/Trinity National Forest, Mt. Shasta Ranger Dist. 1767 Comment
  CAS-BOT-BC217412  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  HSC29223  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Marble Mtn. Wilderness Area, 'Base Camp', mid-slope between Diamond and Hancock Lake 2012 Comment
  SEINET6709654  Geum triflorum var. ciliatum G. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  HSC68529  Gilia capitata Maralyn A. Renner 1980-6-24 1048 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  POM75060  Gilia capitata Geo D. Butler 1908-8-6 32 Siskiyou Summit above Cold Spring, [Molly] Creek Comment
  RSA436245  Githopsis specularioides James Payne Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River. Comment
  UCR143023  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC67728  Glyceria elata John S. Palmer 1980-8-12 692 Siskiyou SE of Wards Gap. 1189 Comment
  CAS-BOT-BC282848  Glyceria striata Geo. D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek 1219 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 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
  RSA239001  Glyceria striata Frederick W. Oettinger 1968-9-2 665 Siskiyou Southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 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
  UC165256  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC885859  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview , Greenview (Scott Valley) 883 Comment
  CAS-BOT-BC388472  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  CDA3427  Gypsophila paniculata Bill Huse 1953-7-29 Siskiyou Soil Conservation Yard at McDoel, Tule Lake. 0 Comment
  JEPS84099  Hackelia californica L. R. Heckard with J. Hickman et al. 1986-7-17 6528 Siskiyou above and s of Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  HSC86549  Hackelia californica D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar; N of Haypress Meadow 1372 Comment
  HSC18  Hackelia micrantha William J. Ferlatte 1966-6-22 91 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC22162  Hackelia micrantha J. O. Sawyer 1969-7-16 1137 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC61912  Hackelia micrantha Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC1222249  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou at crossing of Takilma-Happy Camp Road (near state line, summit of the Siskiyous) Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  POM72143  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou Taylor Creek. 2134 Comment
  UC1560415  Hackelia setosa E. Joyal and D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp 1524 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
  JEPS25856  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  UCD15032  Hastingsia alba John M. Tucker; and Louis K. Mann 1963-7-7 3722 Siskiyou Marble Mountain Wilderness Area, ca. 1/4 mi. north of Paradise Lake; Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  UC637028  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou near summit Little Grayback 1868 Comment
  CAS-BOT-BC306739  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  HSC92210  Helenium bigelovii Jennifer Whipple 1976-7-24 1568 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC306745  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River) Comment
  JEPS24819  Helenium bigelovii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6835 Siskiyou just below and n Scott Mtn. road summit 1615 Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  SBBG8400  Helianthella californica C. B. Hardham 1961-7-3 8069 Siskiyou S of Calahan, Scott Mtns Comment
  RSA105494  Helianthella californica var. nevadensis G. D. Barbe 1955-7-26 267 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  UCR80231  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC305571  Helianthus bolanderi L. R. Abrams 1927-9-11 12139 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  RSA44889  Helianthus bolanderi J. C. Roos 1948-9-2 3977 Siskiyou Fort Jones. 915 Comment
  UCD132901  Helianthus bolanderi Morris Halperin 1930-7-11 s.n. Siskiyou Along main highway, between Montague and Yreka. Comment
  RSA420875  Hesperochiron californicus Christopher Davidson 1975-6-5 2687 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  POM73768  Hesperochiron pumilus Geo. D. Butler 1910-4-21 1210 Siskiyou Oro Fino. Comment
  OBI7192  Hesperocyparis bakeri Carl B. Wolf and E. R. Johnson, E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava beds, 1 mi NE of Timbered crater on Old Stage rd from Dana to Little Hot Springs Valley 1219 Comment
  UCD77767  Hesperolinon micranthum Robert E. Preston 2002-6-22 1884 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  HSC96812  Heuchera micrantha S. Lyon, J. McIntire 2006-6-25 28 Siskiyou 1.5 mi. SE of Blackbear Summit on USFS Rd. 39N14 1494 Comment
  HSC69292  Hieracium albiflorum Maralyn A. Renner 1980-7-24 1945 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  HSC34143  Hieracium albiflorum J. O. Sawyer 1969-6-17 957 Siskiyou 1768 Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  RSA120939  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  UC618673  Hieracium nudicaule unknown 1938-7-29 11407 Siskiyou below Wagon Camp; Mount Shasta 1676 Comment
  RSA238735  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CHSC69071  Hieracium scouleri var. nudicaule Vernon Oswald; Lowell Ahart 1997-7-28 8777 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
  UC897858  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mts, Marble Mts Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152362  Holodiscus discolor var. discolor Gilbert Muth 1965-8-3 s.n. Siskiyou Creek below Marble Valley Guard Station Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  RSA233673  Holodiscus microphyllus var. glabrescens Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38989 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
Read comments
Sep 13 2009
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  CAS-BOT-BC143965  Horkelia daucifolia D. E. Breedlove 1962-6-11 3340 Siskiyou Along Scott River, 0.5 mile south of Scott Bar 548 Comment
  CHSC89329  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges. At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +- 10 mi S of Weed, near Mt. Shasta City. Comment
  SEINET3156785  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  JEPS82693  Horkelia daucifolia Wayne Roderick 1984-6-6 Siskiyou about 5 mi s Gazelle 1021 Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  RSA739867  Horkelia fusca subsp. parviflora L. P. Janeway, B. Castro 2007-7-28 9127 Siskiyou High Cascade range, Medicine Lake Highlands, W side of Arnica Sink 6.km W of Glass Mtn. 2042 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  UC860237  Horkelia tridentata subsp. tridentata A. A. Heller 1916-8-24 12565 Siskiyou near Sisson 1077 Comment
  CAS-BOT-BC539434  Horkelia tridentata var. tridentata A. A. Heller 1916-8-24 12565 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC539438  Horkelia tridentata var. tridentata A. A. Heller 1916-8-24 12565 Siskiyou Near Sisson 1074 Comment
  HSC103838  Hosackia crassifolia G. Fred Hrusa 1998-7-5 14702 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8 Comment
  HSC61502  Hosackia crassifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC201121  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC82352  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4525 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC78376  Hosackia oblongifolia var. oblongifolia L. P. Janeway 1983-8-6 506 Siskiyou Poker Flat, upper edge of NE side of meadow 1524 Comment
  UC1034052  Hulsea nana W. Bridge Cooke 1941-9-10 16295 Siskiyou above Horse Camp; Mt. Shasta Comment
  POM260543  Hulsea nana W. Bridge Cooke 1939-7-26 s.n. Siskiyou Mount Shasta: scattered through the lava talus along the Summit Trail below Lake Helen Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC17  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC61785  Hydrophyllum occidentale Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69572  Hydrophyllum occidentale Maralyn A. Renner 1980-8-6 2265 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  CAS-BOT-BC312852  Hymenoxys lemmonii Brandegee No date on label s.n. Siskiyou Montague Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  RSA238862  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Mid-way between the English lake main camp and 'Sundew Bog' due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC100267  Hypericum scouleri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13053 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  CAS-BOT-BC206828  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  JEPS83033 Image available Iliamna bakeri L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U. S. 97, 0.7 mile south of Bolam road junction. Comment
  POM213070  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC1096800  Ipomopsis aggregata H. K. Wagnon 1957-8-11 Siskiyou 6 mi w Military Pass (along Brewer Creek); e slope of Mt Shasta Comment
  HSC30431  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Marble Mtn. Wilderness Area, on steep switchback slope on Pine Lake trail 2073 Comment
  RSA79003  Ipomopsis aggregata subsp. formosissima E. K. Balls, P. C. Everett 1952-10-13 18191 Siskiyou Mt. Shasta, 10.2 mi n.e. of town of Mt. Shasta, John Everitt Hwy 1829 Comment
  RSA17692  Ipomopsis congesta Elmer I. Applegate 1935-6-8 9459 Siskiyou West cinder slope of Sconchin Butte Lava Beds National Monument Comment
  RSA366780  Iris Anstruther Davidson 1930-1-20 s.n Siskiyou Siskiyou County Kessler [? Illeg] Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  RSA597971  Isoetes L. C. Wheeler 1963-8-31 8315 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC57676  Isoetes bolanderi John Thomas Howell 1937-7-29 13669 Siskiyou North side of Scott Mt. Comment
  JEPS82464  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou ridge of Marble Mt.; Marble Mt. Wilderness Area 2804 Comment
  CHSC98389  Ivesia pickeringii Dean Wm. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed and 1 air mile west of Stewart Springs). Shasta-Trinity National Forest. 1328 Comment
  HSC85696  Ivesia pickeringii J. P. Smith 1980-8-24 10342 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CHSC78934  Juncus balticus Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  HSC96558  Juncus drummondii Gordon Leppig 1998-8-14 1028 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC78324  Juncus ensifolius L. P. Janeway 1983-8-16 544 Siskiyou Poker Flat 1524 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  HSC62454  Juncus ensifolius Ruby Van Deventer 1959-7-10 Siskiyou Twin Valley 1524 Comment
  HSC85850  Juncus ensifolius L. P. Janeway 1983-8-26 613 Siskiyou Poker Flat, NW part of meadow near road 1524 Comment
  RSA607419  Juncus ensifolius L. C. Wheeler 1934-8-14 3131 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UC1601865  Juncus ensifolius Miss Edmonds 1890-7-4 Siskiyou Comment
  CHSC114076  Juncus howellii Jennifer Buck 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento Rivr headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  JEPS102935  Juncus howellii L. P. Janeway 2002-7-12 7630 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  HSC30678  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  CAS-BOT-BC127623  Juncus mertensianus Jennifer Whipple 1976-6-30 1219 Siskiyou Mount Eddy. Klamath Mountains. Wagon Creek drainage near Wagon Creek. 2194 Comment
  HSC22184  Juncus mertensianus J. O. Sawyer 1969-7-18 1368 Siskiyou Seep E of Waterdog Lake 2012 Comment
  CHSC38989  Juncus nevadensis J. D. Jokerst 1983-7-5 1825 Siskiyou Atkins meadow along east margin. Ca 15 air miles east of McCloud. Comment
  JEPS66999  Juncus nevadensis Geo. D. Butler 1910-6-20 1594 Siskiyou Yreka Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  RSA238908  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou At sundew bog on SE-facing gradual slope due west of the English Lake main campsite. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  POM111047  Juncus nevadensis var. nevadensis Geo D. Butler 1910-6-20 1594 Siskiyou Yreka. Comment
  HSC67680  Juncus orthophyllus John S. Palmer 1980-7-24 621 Siskiyou Elk Hole 1503 Comment
  RSA238912  Juncus orthophyllus Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1299 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC74838  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10007 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  HSC69032  Juniperus communis var. jackii Maralyn A. Renner 1980-7-28 2176 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  SEINET10531160  Juniperus occidentalis Jeffrey Huber 1971-6-9 Huber 268 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00 slope; roadside; in Pinus ponderosa, and P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  CHSC91342  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  POM316064  Juniperus occidentalis var. occidentalis Patricia Wilder 1965-9-29 4192 Siskiyou Lava Beds National Monument at campground 1372 Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  SEINET3108511  Kalmia polifolia Steve Selva, Robert Jensen 1974-8-25 48 Siskiyou Meadow at west end of Little Duck Lake. Comment
  SBBG15946  Kalmia polifolia subsp. polifolia D. Myrick 1961-6-21 308 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 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
  JEPS10868  Keckiella lemmonii W. L. Jepson 1894-8-9 21423 Siskiyou Shasta Springs; Sacramento River Canyon Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  JEPS94847  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97) 1243 Comment
  CDA3148  Kochia trichophylla Don Shaw 1971-9-19 Siskiyou South of Yreka 0 Comment
  CHSC71341  Koeleria macrantha Vernon H. Oswald; Lowell Ahart 1998-6-11 9194 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
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  CAS-BOT-BC499653  Kopsiopsis strobilacea J. H. Thomas 1954-5-13 4127 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, vicinity of Blind Horse Creek 1066 Comment
  RSA0104505  Kopsiopsis strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness area. On the north side of Charmaine Lake. 1920 Comment
  RSA0107897  Kopsiopsis strobilacea Thomas H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground, north of Happy Camp on Indian Creek Road. 1219 Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  SEINET11446755 Image available Lagophylla ramosissima G. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  UC726454  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  UCR52609  Lathyrus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  CAS-BOT-BC204984  Lathyrus jepsonii var. californicus Lewis S. Rose 1945-6-18 45137 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC204988  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA68869  Lathyrus nevadensis subsp. lanceolatus A. E. Culbertson 1943-7-1 87 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  SEINET10577313 Image available Lathyrus pauciflorus subsp. brownii H. E. Brown 1897-6-11 Brown 391 Siskiyou North Side Mt. Shasta. 1524 Comment
  HSC73231  Lathyrus polyphyllus Gail Newton 1980-6-20 515 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET10449271  Ledum glandulosum var. californicum Mary Susan Taylor 1980-7-8 Taylor 3101 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  SD53406  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou 56.8 miles east of Happy Camp on #96; bank of Klamouth River 609 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
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  UCSB7737  Leptosiphon ciliatus Hardham, Clare 1961-6-30 Siskiyou White Mt. 1828 Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  HSC17105  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mtn. 1677 Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  CAS-BOT-BC341903  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  RSA659527  Leucothoe davisiae Gary D. Wallace 1990-7-1 2954 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  CAS-BOT-BC444076  Lewisia leeana R. F. Thorne; Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  JEPS80491  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Marble Gap trail on flat above Marble Valley Marble Mt. Wilderness Area 1828 Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  RSA78837  Lewisia leeana P. A. Munz 1952-7-2 17915 Siskiyou Ridge on road to Baldy Mt, 6 miles W air of Happy Camp. 1433 Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  HSC65284  Lewisia triphylla Rich White 1978-7-6 251 Siskiyou Pond above Elk Hole 1524 Comment
  RSA237364  Lewisia triphylla Frederick W. Oettinger 1967-7-8 153 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET10661901  Leymus cinereus Lowell Ahart, John Dittes 2005-6-10 Ahart 12109 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC817464  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker Siskiyou Mts., Klamath River 518 Comment
  SEINET10531236  Libocedrus decurrens Edward L. Greene 1876-9-6 Greene 1040 Siskiyou collected near Yreka Comment
  HSC77243  Ligusticum californicum L. P. Janeway 1983-8-16 541 Siskiyou Poker Flat 1524 Comment
  HSC76876  Ligusticum californicum K. T. Stillman 1976-9-9 465 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS74145  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mountain Wilderness Area Haypress Meadows; , Haypress Meadows 1463 Comment
  JEPS83836  Ligusticum grayi Wayne Roderick July 1976 Siskiyou vicinity Cook & Green Pass (near Horse Tail Falls); Siskiyou Mts. 1463 Comment
  UCR51776  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 03645 Siskiyou Shasta River. 2 mi. NW Montague 765 Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SD218934  Lilium pardalinum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63355 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UC1190146  Lilium pardalinum Ira L. Wiggins 1955-7-21 13425 Siskiyou 7 mi above Cecilville on South Fork Salmon River (near Mt. View Ranch); South Fork Salmon River 975 Comment
  CAS-BOT-BC130822  Lilium pardalinum Wayne Roderick 1967-7-24 s.n. Siskiyou Near Lily Pad Lake, n. of Seiad Valley 1676 Comment
  HSC69228  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-31 2616 Siskiyou Twin Valley. 1494 Comment
  CHSC30135  Lilium pardalinum subsp. shastense M. S. Taylor 1980-7-8 3099 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC78956  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-6 487 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  RSA50161  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers Bar on road to Cecilville 1006 Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  RSA68900  Lilium washingtonianum A. E. Culbertson 1943-7-2 57 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600 eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  CAS-BOT-BC133025  Lilium washingtonianum subsp. purpurascens G. P. Rixford s.n. Siskiyou Hilt Comment
  HSC77518  Lilium washingtonianum subsp. purpurascens L. P. Janeway 1983-6-25 333 Siskiyou NE facing slope above Indian Creek and below dirt rd. 0.5 mi. N of W Branch USFS Station 671 Comment
  POM109728  Lilium washingtonianum subsp. purpurascens Geo D. Butler 1910-6-5 1484 Siskiyou Shackleford Creek Comment
  UC454444  Lilium washingtonianum subsp. washingtonianum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  UC984811  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 186 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  JEPS58260  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  UC1409392  Linanthus nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou vicinity English Peak (Hamilton Camp, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1402 Comment
  UC609327  Linanthus nuttallii subsp. nuttallii Eleanor Burks Hart 1938-8-20 943 Siskiyou below Red Cap 2316 Comment
  JEPS60247  Linaria genistifolia subsp. dalmatica L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2312 Siskiyou northwestern edge of Weed Weed Comment
  CAS-BOT-BC416405  Linnaea borealis subsp. longiflora H. A. Thomas; J. H. Thomas 1954-7-23 4462 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC61186  Listera convallarioides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Sisson Mount Shasta Comment
  RSA382548  Listera convallarioides Louis C. Wheeler 1934-6-18 2727 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA604379  Lithocarpus densiflorus var. densiflorus Louis C. Wheeler 1959-7-26 7607 Siskiyou Marble Mountains: Offield Mountain, north of Somes Bar. Comment
  CAS-BOT-BC36529  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CAS-BOT-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  HSC91190  Lithophragma glabrum Jennifer Whipple 1978-6-5 2352 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  UC375363  Lithophragma glabrum Geo. D. Butler 1909-3-14 558 Siskiyou near Yreka; near Yreka Comment
  HSC64822  Lithophragma heterophyllum J. P. Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  UC1473423  Lomatium engelmannii Gilbert Jerome Muth 1978-8-4 7757 Siskiyou near Scott Mountain (close to town of Callahan) 2080 Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
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Jun 26 2012
  UC595106  Lomatium macrocarpum David D. Keck 1938-8-6 4810 Siskiyou at Del Norte Co. line Poker Flat (summit of Siskiyou Mts., 4 mi. s. of Oregon line, on rd. from Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1555 Comment
  POM132828  Lomatium macrocarpum Geo. D. Butler 1910-5-18 1359 Siskiyou Yreka Comment
  SEINET3143883  Lomatium nudicaule G. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  POM68734  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mtn. 1220 Comment
  JEPS24026  Lonicera conjugialis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6888 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  RSA602929  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  CAS-BOT-BC240840  Lonicera interrupta L. R. Short 1933-6-16 44 Siskiyou Klamath National Forest. S. side of Klamath R. 609 Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  SEINET3154558  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  RSA181624  Lonicera involucrata Dorothy Parker 1950-6-7 456 Siskiyou Scott River. 854 Comment
  RSA47632  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11788 Siskiyou Scott Mountain Road south of Callahan. Comment
  RSA592550  Lotus oblongifolius S. O. Mattoon 1978-7-23 34 Siskiyou Forest Road 46N64, vicinity of Middle Creek Meadows; 7 air miles W of Scott River Highway at Gold Flat; Marble Mountains. 1341 Comment
  RSA406294  Lotus unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  CAS-BOT-BC140250  Luetkea pectinata Maxine Wilkes 1940-8-1 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  HSC69245  Luetkea pectinata Maralyn A. Renner 1980-9-1 2710 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  SEINET11912604  Luetkea pectinata Unknown 1986-1 60359 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt. above Hello Cyn 1798 Comment
  OBI55451  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  UC157017  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-3 372 Siskiyou Log Lake Log Lake, Shackleford Creek (Shackleford Creek) Comment
  RSA406971  Lupinus albicaulis var. shastensis M. B. Dunkle 1944-7-1 9059 Siskiyou Siskiyou National Forest. Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
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May 16 2007
  POM24890  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. 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
  UC711890  Lupinus angustiflorus Roxana S. Ferris and Laura Lorraine 1941-8-11 10503 Siskiyou above Medicine Lake (Shasta National Forest); , above Medicine Lake Comment
  SEINET10871218  Lupinus arbustus subsp. silvicola Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 688 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight se facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  CHSC99699  Lupinus breweri var. breweri L. P. Janeway 2008-7-24 9480 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. Rounded ridgetop. 2115 Comment
  CAS-BOT-BC215190  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  UC1023832  Lupinus croceus Douglas Barbe 1955-7-26 288 Siskiyou n slope Scott Mtn. (at a small pond); Klamath Mountains, n slope of Scott Mtn. 1981 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. 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
  UC1576147  Lupinus excubitus J. P. Smith, J. O. Sawyer, and Maralyn O'Meara 1972-7-3 5703 Siskiyou e slope Kangaroo Mtn. (above Toehead Lake); e slope of Kangaroo Mtn, above Toehead Lake 1889 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
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  JEPS65277  Lupinus latifolius var. viridifolius W. L. Jepson Aug. 1894 45 t Siskiyou Mt. Shasta Comment
  UC726316  Lupinus latifolius var. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  SBBG10909  Lupinus lepidus var. sellulus H. and M. Dearing 1939-6-28 2180 Siskiyou McCloud Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  UC796665  Lupinus lepidus var. sellulus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11759 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  SBBG15740  Lupinus leucophyllus D. Myrick 1961-6-21 314 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1737 Comment
  POM26762  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River. Comment
  UCD108619  Lupinus microcarpus Robert E. Preston 1995-6-18 874 Siskiyou ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  JEPS107668  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2005-6-9 12015 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  SEINET7040262 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  SBBG45486  Lupinus obtusilobus H. and M. Dearing 1948-9-12 6728 Siskiyou Mount Shasta 2316 Comment
  JEPS65409  Lupinus onustus W. L. Jepson 1902-7-22 2094 a Siskiyou Salmon Summit Trail Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  POM24578  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek. Comment
  RSA11943  Lupinus sellulus subsp. sellulus Elmer I. Applegate 1929-6-18 5739 Siskiyou [Unspecified] Comment
  RSA50219  Lupinus sellulus subsp. sellulus E. K. Balls 1949-7-8 13926 Siskiyou 1 mile east of Etna (Callahan to Etna Road). 854 Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  CAS-BOT-BC436604  Luzula cascadensis D. E. Breedlove 1962-6-11 3367 -A Siskiyou Along State Hwy 89, 8.0 miles E of McCloud, Cascade Mts. 1127 Comment
  HSC86563  Luzula comosa D. K. Imper Jul 1989 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows Region 1372 Comment
  HSC92875  Luzula comosa Jennifer Whipple 1978-7-20 2362 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  HSC2378  Luzula piperi William J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mtn. 2470 Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  SEINET516145  Machaeranthera canescens var. shastensis Vernon H. Oswald 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-sourthwest of Hambone Butte, ca 30 air mi north of Burney. 1311 Comment
  RSA215639  Machaeranthera canescens var. shastensis Gilbert Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge 2287 Comment
  CAS-BOT-BC343993  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  OBI53786  Madia elegans David J. Keil 1992-7-20 23472 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  UC61073  Madia exigua W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC343427  Madia gracilis Lewis S. Rose 1937-7-3 37391 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  JEPS74479  Madia gracilis W. J. Ferlatte 1966-8-3 248 Siskiyou wooded area near public campground; Trinity Alps, Big Flat 1524 Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  CHSC2308  Maianthemum racemosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  RSA377693  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass road. Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC514190  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
  SEINET7881717 Image available Malacothrix floccifera H. L. Mason 1950-1 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  CHSC91369  Marrubium vulgare Lowell Ahart; John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  CAS-BOT-BC281389  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 Comment
  UC1265410  Melica subulata F. W. Oettinger 1969-8-16 1394 Siskiyou near English Lake (sw of Wiregrass Meadow); Salmon Mtns 1676 Comment
  UC637092  Mentha arvensis Edward Lee 1934-8-12 1052 Siskiyou s bank <of> Klamath River 1/4 mi w Walker Creek ((between Hamburg and Seiad Valley)); s bank Klamath Riverk w of Walker Creek 426 Comment
  CHSC32900  Mentha spicata J. P. Smith; Steve Selva 1970-7-17 4439 Siskiyou Roadside and stream bank in farming area. 914 Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  RSA733949  Mentzelia multiflora J. Russell Bruff 1928-7-9 s.n. Siskiyou Summit of Jerome Mt. Comment
  UCD102787  Micranthes bryophora Joseph M. DiTomaso 1975-9-10 320 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  CAS-BOT-BC429036  Micranthes nidifica John Thomas Howell 1980-4-30 53449 Siskiyou Yreka 792 Comment
  CAS-BOT-BC429152  Micranthes odontoloma G. J. Muth 1969-8-12 1377 Siskiyou Second Valley Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  POM43854  Mimulus guttatus Geo. D. Butler 1910-7-13 1771 Siskiyou Shackleford Creek. 1220 Comment
  RSA237548  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou North side of Horse's Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  JEPS94384  Mimulus jepsonii Vernon Oswald and Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  UC164261  Mimulus lewisii Geo. D. Butler 1908-8-8 435 Siskiyou Marble Valley Comment
  CHSC1764  Mimulus moschatus V. Holt 1932-6-29 Siskiyou Castle Lake. 1981 Comment
  HSC445  Mimulus moschatus William J. Ferlatte 1967-8-22 1104 Siskiyou Kidd Creek Trail 1951 Comment
  UCD77261  Mimulus nanus var. jepsonii Robert E. Preston 2002-6-21 1873 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1709 Comment
  SDSU117  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 miles E of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89. Opposite Hwy 89 from USFS Road 40N16; 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station; T39N, R1W, N1/2 S5. 1097 Comment
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  JEPS84017  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET3159698  Mimulus primuloides G. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1219 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC34012  Minuartia douglasii J. P. Smith 1974-5-25 7511 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC174739  Minuartia nuttallii A. A. Heller 1916-7-22 12492 Siskiyou East side of Mt. Eddy Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC45195  Minuartia nuttallii subsp. gregaria J. O. Sawyer, E. Cope 1977-6-21 2988 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  UC166130  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  UC726553  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  HSC99989  Minuartia stolonifera Thomas W. Nelson, & Sydney Carothers 2005-7-17 9382 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  CAS-BOT-BC229605  Mirabilis greenei Elmer I. Applegate 1898-5-15 5142 Siskiyou Along Klamath River between Shovel Creek and Fall Creek 853 Comment
  HSC61889  Mitella pentandra Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  HSC45197  Moehringia macrophylla J. O. Sawyer, E. Cope 1977-6-21 2984 Siskiyou Near Prescott Peak 1677 Comment
  HSC68447  Moehringia macrophylla Maralyn A. Renner 1980-6-26 1215 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC77059  Monardella odoratissima K. T. Stillman 1976-8-7 193 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC75133  Monardella odoratissima J. P. Smith, Thomas W. Nelson 1979-6-16 10134 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  CAS-BOT-BC222034  Monardella odoratissima subsp. glauca Peter H. Raven 1956-9-4 10379 Siskiyou Ridges s. of Mt. Eddy 2286 Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  UC215539  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC1299605  Monardella odoratissima subsp. pallida Freed W. Hoffman 1950-7-14 3619 Siskiyou Clear Creek trail North Coast Ranges, Baldy Mountain Comment
  CAS-BOT-BC220232  Monardella sheltonii Clare B. Hardham 1965-8-1 13081 Siskiyou Near Happy Camp on Sulphur Springs Road Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  JEPS43194  Montia parvifolia Milo S. Baker 1923-8-14 248 a Siskiyou Siskiyou National Forest, Smith River Division, Camp 6 Smith River Division; Siskiyou National Forest, , Camp 6 Comment
  UCD86526  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Gravelly soil between Gazelle and Edgwood in the Shasta Valley. Upper Sonoran Life Zone. Comment
  SEINET10960335  Muhlenbergia asperifolia A. Arthur Heller 1918-7-25 Heller 13082 Siskiyou Shasta Valley between Gazelle and Edgwood on the border of a meadow in alkaline soil. Comment
  CAS-BOT-BC267046  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC62460  Muhlenbergia filiformis Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC275342  Muhlenbergia jonesii W. B. Cooke; V. G. Cooke 1966-7-17 37250 Siskiyou Along Military Pass Road, vicinity of Inconstance Creek, Mount Shasta 1828 Comment
  RSA211316  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  SEINET10497076  Nama lobbii Mary Susan Taylor 1980-8-18 Taylor 3256 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  CAS-BOT-BC516028  Narthecium californicum Elizabeth McClintock; Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, SW of Mount Eddy 1828 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC60911  Narthecium californicum Al Hobart 19 Jul [year missing] Siskiyou Black Butte Comment
  POM148757  Narthecium californicum J. B. Feudge 1927-7-24 1629 Siskiyou On trail to Mt. Eddy Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  UC908380  Navarretia divaricata W. Bridge Cooke 1938-7-29 11405 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC230385  Navarretia leucocephala subsp. minima Lewis S. Rose 1946-6-4 46142 Siskiyou 2 miles S of Dorris 1219 Comment
  RSA565355  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-29 84 -18 Siskiyou Highway 3, summit just W of Scott Mountain, near Siskiyou-Trinity county line. 1649 Comment
  HSC4780  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail 1982 Comment
  HSC23551  Nemophila parviflora var. austiniae J. O. Sawyer 1970-7-3 2315 Siskiyou 1402 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CAS-BOT-BC60583  Noccaea fendleri subsp. glauca John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53446 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC60596  Noccaea fendleri subsp. glauca R. C. Barneby 1954-5-16 11532 Siskiyou 6 miles southwest of Yreka. 975 Comment
  CAS-BOT-BC60575  Noccaea fendleri subsp. glauca A. A. Heller 1922-7-3 13677 Siskiyou Mount Eddy south of Wagon Creek. 2438 Comment
  CHSC110961  Nothocalais alpestris B. Castro; L. P. Janeway 2007-7-28 1662 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  UC573272  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou close to Schonchin Butte; Dorris Quad 1371 Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  NY790538  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just southeast of summit 1402.1 Comment
  CAS-BOT-BC400118  Nuphar polysepala Doris K. Kildale 1929-7-20 8663 Siskiyou Raspberry Lake, east spur Preston Peak 1981 Comment
  SEINET3150351  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Yneka Creek Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET8384039  Oreostemma alpigenum Wayne Rolle 1989-7-18 272 Siskiyou at south end of Azalea Lake. 1646 Comment
  HSC91957  Orobanche fasciculata Jennifer Whipple 1976-7-13 1457 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  CAS-BOT-BC500190  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  RSA0070941  Orobanche fasciculata Frederick W. Oettinger 1969-8-19 1451 Siskiyou Steep south side of David Mountain due south of Charmaine Lake. Near the ridgetop. 2042 Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC458087  Orthilia secunda Doris K. Kildale 1928-8-18 6450 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC266615  Orthocarpus cuspidatus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 miles NW of Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA237406  Osmorhiza berteroi Frederick W. Oettinger 1968-8-23 622 Siskiyou West of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA459031  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  CHSC1340  Oxyria digyna E. Willits 1943-8-11 Siskiyou Marble Mountains. 1828 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  JEPS13482  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi w Gazelle (on Highway 99); Klamath Mountains, Great Basin 914 Comment
  UC165943  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC253811  Panicum dichotomiflorum Henry Pollard 1956-10-7 s.n. Siskiyou Klamath River on Spink's Ranch at Roger's Creek about 5 miles above Somes Bar Comment
  RSA592506  Papaver rhoeas S. O. Mattoon 1977-6-18 1 Siskiyou At Callahan, Shasta Valley. 762 Comment
  CDA3569  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC175609  Parnassia palustris William A. Dayton 1913-9-15 599 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1676 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  RSA238304  Parnassia palustris var. californica Frederick W. Oettinger 1968-8-3 377 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC259743  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou S bank of Klamath River between McKinney and Parkhouse creeks. Near Hamburg 609 Comment
  UC1045278  Paxistima myrsinites W. Bridge Cooke 1940-6-6 15035 Siskiyou along Castle Lake Rd. Castle Lake Rd. Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  RSA68897  Pedicularis attollens A. E. Culbertson 1943-7-12 60 Siskiyou 0.25 mile below Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC266640  Pedicularis bracteosa Geo. D. Butler 1910-7-10 1735 Siskiyou Shackleford Creek, Upper Campbell Lake 1524 Comment
  JEPS19692  Pedicularis densiflora Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5959 Siskiyou region immediately s of Mount Eddy (Canyon of the South Fork of Sacramento River, along mountain road to Gumboot Lake); Sacramento River 1767 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  HSC48178  Pedicularis howellii Rich White 1978-7-3 217 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC66245  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  JEPS84021  Pedicularis howellii L. R. Heckard with R. Raiche 1986-7-16 6357 Siskiyou 7 mi nne of Seiad Valley (sw of Cook and Green Pass, 1/2 mi se of Red Butte) 1730 Comment
  UCD123294  Pedicularis racemosa J. M. Tucker; D. V. Hemphill 1974-7-26 4289 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC673175  Pellaea brachyptera Lincoln Constance and Reed C. Rollins 1942-5-14 2933 Siskiyou Shasta River 6 mi n of Yreka; Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  UC812365  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Spirit Lake; Marble Mts Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC922337  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1949-7-28 5873 Siskiyou Sky High Valley Marble Mountains, Sky High Valley 1767 Comment
  HSC61134  Penstemon anguineus Al Hobart 1968-7-8 Siskiyou El Capitan 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
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  RSA105343  Penstemon davidsonii subsp. davidsonii G. D. Barbe 1955-8-1 324 Siskiyou Summit of Mt Bolivar. Scott Mtns. 2470 Comment
  NY591454  Penstemon davidsonii var. davidsonii E. I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake. Comment
  UC60947  Penstemon davidsonii var. davidsonii Geo. B. Grant Sep 1902 5095 Siskiyou Mount Shasta Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  HSC76743  Penstemon deustus K. T. Stillman 1976-7-15 265 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET3160326  Penstemon deustus G. D. Butler 1910-5-25 1404 Siskiyou near Yreka Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  CDA41878  Penstemon deustus Jess Grisham 1958-5-13 421 -58 Siskiyou Wanaka property, Yreka. 0 Comment
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  UC164253  Penstemon deustus var. suffrutescens Geo. D. Butler 1910-5-25 1404 Siskiyou dry land near Yreka; Dry land near Yreka Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CHSC65847  Penstemon gracilentus Maria Ulloa-Cruz 1994-8-3 45 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  NY600746  Penstemon gracilentus D. D. Keck 1927-8-17 306 Siskiyou Horse Camp, south side of Mt. Shasta. Timberline. 2468.9 Comment
  SDSU10944  Penstemon gracilentus D. F. Howe 1962-8-9 3412 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC705378  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou e side of Mt. Shasta Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UCR93376  Penstemon humilis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  RSA43895  Penstemon laetus var. sagittatus H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  UC887112  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 a Siskiyou U.S. Highway #97, 16 mi ne Weed; ne of Weed Comment
  RSA211394  Penstemon newberryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET12271488  Penstemon newberryi H. P. Chandler 1901-1 1599 Siskiyou near Marble Mountain 2134 Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine 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
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  NY629986  Penstemon parvulus H. E. Brown 1897-6-15 471 Siskiyou Collected north side of Mt. Shasta 1524.0 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  HSC91118  Penstemon roezlii Jennifer Whipple 1976-7-8 1358 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  RSA120824  Penstemon roezlii S. S. Tillett 1956-7-9 666 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  RSA297052  Penstemon shastensis John F. Emmel 1974-7-23 524 Siskiyou 1 air miles SE of Bartle, just N of hwy 89 (0.5 road mile W of railroad crossing). 1210 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET10950522  Penstemon speciosus A. Arthur Heller 1916-6-23 Heller 12424 Siskiyou Open places in the yellow pine-belt in coarse sandy soil near Black Butte north of Sisson. 1128 Comment
  UC1390007  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5881 Siskiyou 3 mi w Cecilville Comment
  RSA0000738  Perideridia leptocarpa Lincoln Constance, T. Chuang, F. M. Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi. NW of Cecilville on west-facing slope above Trinity R. 762 Comment
  SEINET10693779 Image available Perideridia leptocarpa Lincoln Constance, Fei, Mei Chuang; Mario Sousa S. 1966-6-15 Constance 3768 Siskiyou West-facing slope above Trinity River 5 miles north-west of Cecilville. 762 Comment
  SEINET13945007 Image available Perideridia leptocarpa L. Constance, T. I. Chuang 1967-1 3802 Siskiyou West-facing slope above Trinity River, 5 mi NW of Cecilville, alt. 2500 ft 762 Comment
  JEPS22049  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6932 Siskiyou in meadow 1/4 mi n Scott Mtn. road summit (rd. from Callahan to Trinity Center) 1615 Comment
  CAS-BOT-BC423351  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  RSA75594  Phacelia greenei Albert M. Vollmer, L Beane 1951-5-31 s.n. Siskiyou Scott Mountain. Comment
  JEPS2080  Phacelia heterophylla subsp. virgata Geo. D. Butler 1909-5-8 743 Siskiyou near Yreka Comment
  RSA427988  Phacelia heterophylla subsp. virgata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CHSC48471  Phacelia linearis Vernon Oswald 1986-5-29 2075 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  JEPS105461  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  SEINET12280270  Phacelia magellanica H. M. Hall, Babcock, E. B. 1903-1 4087 Siskiyou Shasta Valley, Mount Shasta 914 Comment
  HSC24686  Phacelia mutabilis J. O. Sawyer 1969-7-9 1265 Siskiyou Summit above S Sugar Lake. 2378 Comment
  JEPS32027  Phacelia mutabilis W. B. and V. G. Cooke 1963-7-10 34267 Siskiyou along Bolam Logging Rd Mt. Shasta (n side of mt.) Comment
  UC642571  Phacelia mutabilis W. Bridge Cooke 1939-7-7 13633 Siskiyou along Wagon Camp-Horse Camp Trail Mount Shasta Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  UC923090  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3313 Siskiyou Cedar Camp Rd 8.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges 914 Comment
  SEINET12280335  Phacelia racemosa Unknown 1879-1 Siskiyou near Shasta Mountain 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
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  JEPS82419  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area; , Marble Valley horse pasture 1792 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. 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
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  HSC30428  Phlox diffusa subsp. diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, English Peak Gap 2134 Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  CAS-BOT-BC135339  Phoradendron juniperinum L. E. Smith 1914-3-17 586 Siskiyou Weed Comment
  RSA15797  Phoradendron villosum Carl B. Wolf 1927-8-26 1038 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC4823  Phyllodoce empetriformis J. O. Sawyer 1968-7-9 425 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC76940  Phyllodoce empetriformis K. T. Stillman 1976-7-14 230 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  RSA238386  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou Inlet meadow sloping down to Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC456184  Phyllodoce empetriformis I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Trinity Mountains, Castle Lake 2133 Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC82286  Physaria occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4807 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  UCR131594  Physocarpus capitatus L. C. Wheeler 1934-7-5 2877 Siskiyou Siskiyou Mtns., Beaver Creek at Deer Creek 976 Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC32589  Picea breweriana Steven Lagos 1974-5-26 90 Siskiyou Duck Lake Creek drainage, Bulk Collection 58 1463 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  NY30480  Picea breweriana A. Bell 1963-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC19112  Picea engelmannii J. O. Sawyer 1969-8-5 1970 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  HSC43428  Picea engelmannii Maralyn O'Meara 1974-5-25 388 Siskiyou Along rd. to Duck Lakes 1402 Comment
  HSC4809  Picea engelmannii J. O. Sawyer 1968-6-25 349 Siskiyou Along Horse Range Creek 1646 Comment
  SBBG56399  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Crk, a tributary of the Scott River 1432 Comment
  UC1267075  Picea engelmannii Dorothy Parker 1962-9-19 Siskiyou Horse Range Creek Siskiyou Mountains, Salmon Mountains 1676 Comment
  HSC30652  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou S side of E Boulder Lake in the Scott Mtns. 2043 Comment
  UC1980216  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe August 1975 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  UC688867  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou sw quarter Etna Quadrangle; Lyon Lake, Etna Quad. 2133 Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  HSC26021  Pinus contorta var. murrayana R. J. Mastrogiuseppe 1971-10-23 Siskiyou Ridge between Sugar Creek and Duck Lake Creek draianages 2195 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 Comment
  RSA759238  Pinus jeffreyi Doug Goldman, Frank Callahan 2005-7-20 3553 Siskiyou Along Forest Service Road 42N17C, about 0.3 miles southeast of Forest Road 17, about 8.9 miles southwest along FR 17 from the intersection with Stewart Springs Road., Probably less than 50 feet north of the Trinity County line. Mount Eddy, Trinity Mountains, Shasta-Trinity National Forest. 2116 Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA382824  Piperia unalascensis Louis C. Wheeler 1934-7-2 2839 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  CAS-BOT-BC231009  Plagiobothrys hispidulus John Thomas Howell 1937-7-22 13331 A Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC92949  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1985-6-19 7826 Siskiyou In and about Scott Mtn. Campground 1646 Comment
  RSA237608  Plantago lanceolata Frederick W. Oettinger 1969-8-15 1383 Siskiyou West of Upper English Lake where stock animals are grazed often. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  HSC61844  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC224081  Plectritis brachystemon Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2483 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  CAS-BOT-BC458195  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC254615  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  UCD90660  Poa bulbosa John R. Elliott 1958-5-8 s.n. Siskiyou 1 mile northwest of Mt. Shasta (city?). Comment
  RSA115696  Poa nervosa Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  HSC92144  Poa pratensis Jennifer Whipple 1976-7-2 1245 Siskiyou Near Durney Lake. 2073 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS81692  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  RSA238332  Poa pringlei Frederick W. Oettinger 1967-8-17 274 Siskiyou On northwest exposure of Crapo Peak Ridge along trial where it crosses the ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  SEINET10822297  Poa sandbergii George D. Butler 1910-4-16 Butler 1187 Siskiyou Klamath Bluffs. Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  SEINET8078289 Image available Poa secunda Louis C. Wheeler 1934-1 3076 Siskiyou Siskiyou Mts., Head Jaynes Canyon. 1920 Comment
  CAS-BOT-BC243224  Poa secunda subsp. secunda C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near Yreka Comment
  HSC42965  Poa secunda subsp. secunda J. O. Sawyer, Ken Stillman 1976-5-29 2753 Siskiyou Along Specimen Creek. 884 Comment
  JEPS74522  Poa secunda subsp. secunda W. J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin; Trinity alps 1676 Comment
  JEPS84090  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, and J. Hickman 1986-7-16 6388 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UCD91627  Poa secunda subsp. secunda A. A. Heller 1920-6-28 13402 Siskiyou Beyond Wagon Creek falls, east side of Mt. Eddy. 1524 Comment
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  POM86388  Polygala cornuta var. cornuta Edward Palmer 1892-7-12 2471 Siskiyou Mt. Shasta and vicinity Comment
  UC528012  Polygonum amphibium var. stipulaceum Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  JEPS107381  Polygonum arenastrum Lowell Ahart, John Dittes 2005-6-10 12060 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  RSA184744  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  UC1215081  Polygonum davisiae Paul C. Hutchison 1962-8-2 927 Siskiyou between Panther Meadow and top of ski lift (s slopes); Mount Shasta 2438 Comment
  UC163658  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  SEINET3160402  Polygonum davisiae M. S. Baker sn Siskiyou Mt. Shasta; Ash Creek above Warren & Anderson's Mill Comment
  UC164402  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  HSC32769  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Marble Mtn. Wilderness Area, trail side above Willow Spring on English Lake trail 1677 Comment
  UCR222502  Polygonum douglasii subsp. austiniae R. F. Thorne 1969-8-2 63401 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  JEPS83570  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  UC375151  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-8 186 Siskiyou West Fork of Woolly Creek; head Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  RSA0005197  Polygonum greenei Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC418598  Polygonum minimum G. J. Muth 1969-8-8 1279 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC420073  Polygonum polygaloides subsp. kelloggii Doris K. Kildale 1928-7-4 5528 Siskiyou 1 1/2 miles east of summit between Salmon River & Etna. Comment
  JEPS50591  Polygonum shastense W. L. Jepson 1894-8-4 14806 Siskiyou Snow Line Mt. Shasta Comment
  SEINET3404056 Image available Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta Comment
  CAS-BOT-BC421066  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1889 Comment
  HSC77491  Polygonum spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  RSA103321  Polygonum spergulariiforme Geo. D. Butler 1890-6-20 1593 Siskiyou Dry hill, Yreka. Comment
  CAS-BOT-BC237392  Polypogon monspeliensis D. H. Norris 1970-5-23 12248 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC79152  Polystichum imbricans C. J. Thomas 1983-10-1 102 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC79153  Polystichum imbricans C. J. Thomas 1983-10-1 103 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  POM120354  Polystichum imbricans Geo D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1220 Comment
  CAS-BOT-BC76773  Polystichum imbricans subsp. imbricans E. L. H. Knoche 1890-5-31 s.n. Siskiyou Moshrae Falls, Sacramento River Comment
  HSC79180  Polystichum kruckebergii C. J. Thomas 1983-10-1 109 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72383  Polystichum lemmonii Alice Eastwood 1912-8-30 2043 Siskiyou Mount Eddy Comment
  JEPS84172  Polystichum lemmonii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6347 Siskiyou ca. 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC72375  Polystichum lemmonii Lillian Mott 1976-7-18 56 LM76 Siskiyou base of Kangaroo Mt. near Cook and Green Pass 1828 Comment
  POM114187  Polystichum lemmonii Geo D. Butler 1908-8-5 238 Siskiyou West Fork of Wooley Creek. 1677 Comment
  CAS-BOT-BC72396  Polystichum lonchitis L. R. Short 1933-9-10 76 Siskiyou Rogue River National Forest 1889 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  HSC66086  Polystichum scopulinum M. Sacks 1977-10-4 16 Siskiyou S facing slope, N side of main rd. between Callahan and Cecilville, 6 mi. SW of Callahan 1463 Comment
  UC164391  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  HSC79092  Potamogeton natans Paul Wilson 1984-8-26 356 Siskiyou Juanita Lake Reservoir 1555 Comment
  CDA16694  Potamogeton pectinatus G. F. Hrusa, M. Hooper 2001-7-1 15871 Siskiyou Klamath R.,ca. 1.5 mi. E of Ft. Goff Campground at Sluice Box river access. 350 Comment
  SEINET10501887  Potamogeton richardsonii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  HSC62287  Potentilla breweri Al Hobart 1928-6-18 Siskiyou Youngs Valley Comment
  POM34961  Potentilla breweri var. breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake, Shackleford creek 1220 Comment
  UC1560737 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2122 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  UCD113826  Potentilla drummondii J. M. Tucker; L. K. Mann 1963-7-5 3705 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  UC609336  Potentilla flabellifolia Eleanor Burks Hart 1938-8-19 936 Siskiyou Upper Wright Lake 2225 Comment
  HSC90539  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-24 1543 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC158536  Potentilla millefolia Alice Eastwood; John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CHSC774  Prunella vulgaris var. lanceolata 1936-6-29 Siskiyou Shasta City. 1097 Comment
  CAS-BOT-BC158232  Prunus emarginata Doris K. Kildale 1928-8-18 6447 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  RSA585076  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  UC60994  Pseudotsuga menziesii var. menziesii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC460550  Pterospora andromedea G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  POM203179  Purshia tridentata var. tridentata L. S. Rose 1934-4-20 34228 Siskiyou Shasta River. NE of Yreka. Comment
  RSA30411  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte, N of Sisson. 1128 Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  JEPS58825  Pyrola crypta Willis L. Jepson 1894-8-4 14660 Siskiyou Cedar Spring, Trail to Mt. Shasta Comment
  JEPS82485  Pyrola crypta Gilbert Muth 1965-8-10 198 Siskiyou Along either trail, Black Mt., Marble Mt 1828 Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  CAS-BOT-BC94554  Pyrola picta R. C. Wenk 2006-9-2 560 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  HSC17971  Pyrola picta Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC466135  Pyrola picta Doris K. Kildale 1928-8-20 6601 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC45748  Quercus Roxana S. Ferris; Laura Lorraine 1948-6-12 11859 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  JEPS57399  Quercus garryana L. R. Heckard with T. I. Chuang 1968-7-3 1975 Siskiyou just s Klamath River (near the bridge crossing of the Hornbrook-Alger road) Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC62761  Quercus garryana var. breweri Doris K. Kildale 1928-7-2 5351 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA237385  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou On west facing gradual slope on e. side of Abbots Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  POM166670  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  CAS-BOT-BC104355  Quercus sadleriana Doris K. Kildale 1929-8-24 9075 Siskiyou Rattlesnake Meadow near Preston Peak 1524 Comment
  CDA22027  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  CDA22036  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20031 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  SFV895  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area. Junction of Red Rock Valley Trail and Canyon Creek Trail. 1341 Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  CAS-BOT-BC104635  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  CAS-BOT-BC104642  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  HSC19226  Quercus vacciniifolia J. O. Sawyer 1968-9-10 678 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS20043  Quercus vacciniifolia George D. Butler Aug 1908 230 Siskiyou near Cold Spring Camp; Wooley Creek 1676 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  RSA237834  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Near the seepage area along the trail from English Peak to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  RSA638899  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  JEPS49022  Ranunculus alismifolius var. alismellus Hilda W. Grinnell 1935-6-7 Siskiyou Deer Camp Ranger Station Siskiyou Mts. 1798 Comment
  CAS-BOT-BC380415  Ranunculus alismifolius var. hartwegii Dorothy Parker 1946-6-12 136 Siskiyou along marshy edges of Middle Boulder Lake 488 Comment
  CDA3501  Ranunculus arvensis T. C. Fuller 1962-5-17 8740 a Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  SEINET5338679  Ranunculus flammula G. Butler 1910-7-12 1741 Siskiyou Shackleford Creek. 1219 Comment
  JEPS2826 Image available Ranunculus occidentalis Harley P. Chandler Jun 1901 1691 Siskiyou near Marble Mountain; North Coast Ranges; Near Marble Mt., Siskiyou Co. Comment
  UC454029  Ranunculus occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; creek bed Comment
  UC454030  Ranunculus occidentalis I. J. Condit 1911-7-7 Siskiyou Dunsmuir; old logging road 914 Comment
  SEINET10619535 Image available Ranunculus occidentalis var. dissectus Harley P. Chandler Chandler 1691 Siskiyou Ridges and meadows near Marble Mountain. Siskiyou County. 2286 Comment
  SD88528  Ranunculus uncinatus Darley F. Howe 1972-7-4 Siskiyou Youngs Valley 1493 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  HSC101842  Rhamnus ilicifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13179 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  UC725519  Rhamnus rubra A. A. Heller 1920-8-13 13525 Siskiyou Upton Comment
  CAS-BOT-BC109792  Rhodiola integrifolia subsp. integrifolia John Thomas Howell 1936-8-10 15274 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  CHSC96003  Rhododendron occidentale L. P. Janeway 2006-7-4 8785 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC168121  Rhus aromatica L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC92532  Ribes binominatum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, Salmon Mountains. Comment
  RSA459479  Ribes bracteosum M. B. Dunkle 1944-7-15 9116 Siskiyou Tree Creek. 1829 Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  HSC19428  Ribes lacustre J. O. Sawyer 1968-6-18 210 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC61939  Ribes lacustre Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC173382  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11768 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  RSA47619  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11768 Siskiyou 6 miles from Etna on forks of Salmon Road 1677 Comment
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  CAS-BOT-BC219270  Ribes nevadense Alice Eastwood 1921-7-24 10777 Siskiyou Castle Lake Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  RSA0023151  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp. Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC199995  Ribes roezlii var. cruentum Carl B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  UC165382  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug road Comment
  RSA0024595  Ribes roezlii var. cruentum Louis C. Wheeler 1935-5-12 3491 Siskiyou Greenhorn Creek, Siskiyou Mts. 915 Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  RSA0019542  Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek. Comment
  RSA0019543  Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road near state line. Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144513  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-7-2 5341 Siskiyou Salmon Summit nr [?] Home Creek trail 1981 Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  CDA25583  Ribes sanguineum var. sanguineum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC173904  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills Comment
  CAS-BOT-BC173908  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou Eight miles north of Weed along U.S. Highway #97 Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  HSC67792  Ribes viscosissimum J. O. Sawyer, J. Cole 1980-7-20 3747 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC98320  Ribes viscosissimum G. L. Clifton 1979-7-1 6194 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  CAS-BOT-BC362935  Rigiopappus leptocladus Alice Eastwood 1912-7-20 1261 Siskiyou Hornbrook Comment
  CAS-BOT-BC50365  Rigiopappus leptocladus Lewis Samuel Rose 1945-6-18 45065 Siskiyou Horse Creek & Klamath River 502 Comment
  UC163901  Rigiopappus leptocladus Geo. D. Butler 1909-6-10 800 Siskiyou near Yreka Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  SBBG25913  Rorippa curvisiliqua D. Myrick 1966-8-9 1477 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  UC164424  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147063  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  UC1871378  Rosa pisocarpa subsp. ahartii Barbara Ertter 2006-7-30 18746 a Siskiyou Little Shasta Road at upper crossing of Little Shasta River, Cascade Range ca 20 air mi E of Yreka. 1463 Comment
  JEPS100526  Rosa pisocarpa subsp. pisocarpa Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15852 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  CAS-BOT-BC148193  Rosa rubiginosa Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 mi. above Happy Camp 182 Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  JEPS82988  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts., Bear Creek off West Fork Beaver Creek 1767 Comment
  LA208215  Rubus glaucifolius Louis C. Wheeler; 3233 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1767 Comment
  CAS-BOT-BC148353  Rubus lasiococcus Louis C. Wheeler 1934-8-13 3116 Siskiyou Johnson Dairy, Siskiyou Mts. 1828 Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 Comment
  HSC42911  Rubus leucodermis J. O. Sawyer, K. T. Stillman 1976-7-2 2817 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC59593  Rubus leucodermis J. P. Smith, Steve Selva 1970-6-16 4052 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  RSA68895  Rubus parviflorus var. hypomalacus A. E. Culbertson 1943-7-12 62 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC19445  Rumex acetosella J. O. Sawyer 1969-7-16 1119 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  HSC19447  Rumex acetosella J. O. Sawyer 1969-7-1 981 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC76973  Rumex acetosella K. T. Stillman 1976-6-25 45 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA237323  Rumex acetosella Frederick W. Oettinger 1967-6-29 119 Siskiyou Ride near Etna Summit on road from Etna to Sawyer Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  HSC28672  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  CHSC35572  Salix exigua var. hindsiana J. P. Smith; J. O. Sawyer 1978-7-3 9999 Siskiyou Klammath National Forest. Williams Point along the Klammath River, south of State Route 96. Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  UCSB10876  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City 1200 Comment
  UC375231  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-3-30 1149 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125445  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125462  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125480  Salix lasiandra var. lasiandra L. E. Smith 1913-4-2 621 Siskiyou Sisson Comment
  CAS-BOT-BC107083  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 852 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107149  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou Yreka Creek. Comment
  UC375228  Salix lasiolepis Geo. D. Butler 1910-3-21 1135 Siskiyou Yreka Creek Comment
  UC576387  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 860 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128307  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1117 Siskiyou On the Klamath River, Happy Camp Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  LA208914  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 446 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 Comment
  LA208921  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 444 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 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
  SBBG27416  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  UC198727  Salix sitchensis Annie M. Alexander and L. Kellogg 1911-6-23 180 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC175656  Salsola tragus Alice Eastwood s.n. Siskiyou Montague Comment
  CAS-BOT-BC220802  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-2 9283 Siskiyou Indian Well, Lava Beds National Monument Comment
  CDA5770  Salvia virgata C. S. Giebner 1968-7-29 Siskiyou E.H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka Comment
  JEPS83882  Sambucus mexicana Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. (along trail to Lily Pond Lake) 1706 Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek Comment
  CAS-BOT-BC236478  Sambucus racemosa subsp. racemosa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek 1828 Comment
  HSC22307  Sambucus racemosa var. melanocarpa J. O. Sawyer 1969-7-23 1456 Siskiyou Near Sugar Lake. Comment
  UCD137279  Sambucus racemosa var. racemosa J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  HSC26222  Sanicula tuberosa J. P. Smith, J. O. Sawyer 1972-5-27 5347 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  SEINET6631662 Image available Sarcodes sanguinea D. V. Hemphill 1974-1 Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness 1554 Comment
  UC56718  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  CAS-BOT-BC445878  Saxifragopsis fragarioides Doris K. Kildale 1928-8-19 6612 Siskiyou Hancok Lookout on trail to Marble Mountain 2194 Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  HSC19530  Scirpus congdonii J. O. Sawyer 1969-7-18 1415 Siskiyou Head of S Russian Creek 1829 Comment
  HSC39087  Scirpus congdonii D. H. Norris May 1970 12274 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  JEPS83993  Scirpus microcarpus L. R. Heckard, and J. C. Hickman 1986-7-16 6448 Siskiyou ca 5 mi n of the town Seiad Valley (Lily Pad Lake, se of Red Butte); se of Red Butte, n of Seiad Valley, Lily Pad Lake 1770 Comment
  JEPS107421  Scirpus nevadensis Lowell Ahart, John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD92542  Scribneria bolanderi Louis C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mts., Yreka Creek. 853 Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  CDA41035  Scutellaria siphocampyloides T. C. Fuller 1958-6-19 1891 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  CAS-BOT-BC240100  Secale cereale W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34330 Siskiyou Along highway, Memorial Highway, Mt. Shasta Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  UC1585427  Sedum R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 39 Siskiyou on Seiad Valley Rd. 10.5 km n Hwy 96 (toward Cook and Green Pass, Seiad Valley area, ridge at junction between the West and East Forks of Seiad Creek); Seiad Valley area, btwn West and East Forks Seiad Creek 975 Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC27599  Sedum laxum subsp. heckneri Carl W. Mize 1972-6-10 55 Siskiyou S slope 366 Comment
  HSC28658  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Marble Mountain Wilderness Area: Near summit of Little Medicine Mtn. (N of Hancock Lake) 2104 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  UC831036  Sedum obtusatum subsp. boreale W. B. Cooke 1942-7-2 16366 Siskiyou near base Mud Creek Canyon; Mount Shasta, near base Mud Creek Canyon 1676 Comment
  CAS-BOT-BC64651  Sedum obtusatum subsp. paradisum L. B. Kildale 1930-6-1 9744 Siskiyou Salmon River at Somes Bar Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UCR246356  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC77103  Sedum oregonense K. T. Stillman 1976-7-31 353 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  SBBG30539  Sedum oregonense D. Myrick 1968-6-27 2036 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  CAS-BOT-BC59064  Sedum spathulifolium D. M. Traugh 1933-8-10 25 Siskiyou Klamath National Forest 1889 Comment
  UC1299666  Sedum spathulifolium Freed W. Hoffman 1951-7-12 4025 Siskiyou Elk Lake Trail Marble Mountains (Marble Mountains) Comment
  UC163920  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC508  Senecio integerrimus var. major William J. Ferlatte 1967-6-27 539 Siskiyou Big Flat, near public camp 1524 Comment
  HSC81662  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-7-17 6082 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC62000  Senecio triangularis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  HSC58997  Sidalcea malviflora Gilbert Muth 1975-7-30 4013 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  SEINET1004223  Sidalcea oregana subsp. spicata Mark Fishbein, Lane Greer 2006-1 5881 Siskiyou Paynes Springs, about 2 mi southeast of Medicine Lake. 1980 Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UC871508  Sidalcea oregana subsp. spicata Alice Eastwood 1921-7-28 10964 Siskiyou Medicine Lake Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  JEPS23251  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  UC166129  Silene campanulata subsp. glandulosa Geo. D. Butler 1908-8-3 59 Siskiyou canyon near Log Lake (Shackleford Creek); , near Log Lake Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  RSA48582  Silene campanulata subsp. greenei P. A. Munz 1949-5-18 13306 Siskiyou 4 miles south of Callahan on road to Trinity Center. 1524 Comment
  UC1190192  Silene douglasii Ira L. Wiggins 1955-7-29 13580 Siskiyou trail to Caribou Lake , trail to Caribou Lake (Summit of ridge above Thompson Creek) 1999 Comment
  CAS-BOT-BC227478  Silene grayi Dana York 2011-8-12 3051 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  CAS-BOT-BC388961  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  HSC19241  Silene grayi J. O. Sawyer 1969-7-18 1377 Siskiyou Ridge above S Russian Creek 1921 Comment
  CAS-BOT-BC389537  Silene menziesii Volney Rattan 1913-6-1 s.n. Siskiyou Klamath Comment
  RSA610005  Silene menziesii subsp. menziesii L. C. Wheeler 1935-6-27 3593 .5 Siskiyou Yreka Creek; Siskiyou Mts. 884 Comment
  SEINET3154294  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  UC54246  Smilax californica H. M. Hall and E. B. Babcock June, 1903 4045 Siskiyou near Sisson; Mount Shasta, 18th Crossing 1036 Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  SBBG125916  Solanum dulcamara L. Ahart, J. Dittes 2010-7-30 16939 Siskiyou S edge of Shasta River, ca 100 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  JEPS11995  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake 1371 Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  UC1034622  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2.0 mi e of Callahan (at Trinity Center Road junction); Klamath Mountains 975 Comment
  UC1222769  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou 8 mi se of Flint Valley (on road to Orleans) Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  CDA8723  Solidago canadensis subsp. elongata Gordon Leppig 1998-8-14 1014 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  POM39717  Solidago canadensis subsp. elongata Geo D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  RSA473675  Solidago canadensis subsp. elongata L. S. Rose 1937-7-26 37604 Siskiyou McCloud 1006 Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  UC195382  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson Comment
  UC1409234  Solidago velutina subsp. californica Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins in the vicinity English Peak (English Lake Basin, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1897 Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  POM88253  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou Salmon Mountain. 1677 Comment
  UC642589  Sorbus californica W. B. Cooke 1939-6-30 13576 Siskiyou along Sisson Southern Trail; Mount Shasta 1981 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  CLARK-A1528-7822  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou Etna Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC65347  Sorbus sitchensis var. grayi Rich White 1978-7-3 207 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  HSC16043  Sphaeralcea ambigua D. M. Thomson 1965-8-6 166 Siskiyou Lava Beds N.M., S Boundry Rd., near Tichner Rd. Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  RSA30424  Spiraea densiflora var. splendens A. A. Heller 1916-7-22 12484 Siskiyou E side of Mt Eddy. 1677 Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  HSC73  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  LA208261  Spiraea douglasii Louis C. Wheeler; 1934-8-16 3176 Siskiyou Siskiyou Mountains, 2.0 mi. SE White Mt 1737 Comment
  CDA19580  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; Yreka Park, 0.5 mi W of Yreka. 844 Comment
  HSC164  Stachys rigida William J. Ferlatte 1966-8-2 242 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  RSA273427  Stachys rigida subsp. rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  RSA237782  Stellaria crispa Frederick W. Oettinger 1968-9-5 723 Siskiyou Campsite near stream, Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC528039  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-18 3886 Siskiyou Medicine Lake Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC584296  Streptanthus barbatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2428 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1380 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  SEINET3149309  Streptanthus tortuosus L. S. Rose 1937-7-3 37386 Siskiyou Black Butte, N of Mt. Shasta City 1006 Comment
  UC10899  Streptanthus tortuosus Geological Survey 1862-1 1418 Siskiyou in dry ravine Mt. Shasta 2438 Comment
  UCD116312  Streptanthus tortuosus Robert E. Preston 1984-7-26 496 Siskiyou Mt. Shasta Ski Bowl. 2316 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  UC710894  Streptanthus tortuosus var. orbiculatus C. L. Hitchcock and J. P. Martin 1939-7-7 5281 Siskiyou on side Sanger Peak 1645 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CDA35631  Suaeda calceoliformis J. R. Keck Jr., J. Massey 1980-8-2 PDR# 330196 Siskiyou Lower Klamath Refuge; near Dorris. 0 Comment
  JEPS47018  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS84333  Swertia albicaulis var. nitida L. R. Heckard with J. Hickman 1986-7-16 6439 Siskiyou ca 5 mi n Seiad Valley town (se of Red Butte); Lily Pad Lake 1770 Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 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-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC97579  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows Comment
  CAS-BOT-BC98942  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC60977  Symphyotrichum frondosum Geo. B. Grant Sep 1902 5235 Siskiyou Shasta Springs Comment
  UC609325  Symphyotrichum hendersonii Eleanor Burks Hart 1938-8-16 898 Siskiyou west slope of Lower Wright Lake Lower Wright Lake 2072 Comment
  JEPS16961  Symphyotrichum spathulatum Peter H. Raven 1956-9-5 10449 Siskiyou along a stream near the North Fork of the Sacramento River North Fork of the Sacramento River 2194 Comment
  JEPS40844  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou Bottoms Camp, Shackelford Creek Shackelford Creek 1371 Comment
  UC223701  Symphyotrichum spathulatum Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake Comment
  SEINET8409249  Symphyotrichum spathulatum Geraldine Allen Guppy 1978-8-23 555 Siskiyou near Panther Meadows campground in Mt. Shasta. 2100 Comment
  CAS-BOT-BC98853  Symphyotrichum spathulatum var. intermedium Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  OBI55463  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23541 Siskiyou Klamath NF Se of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  IRVC26651  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Shasta Valley; Grenada. 793 Comment
  UCD86125  Taeniatherum caput-medusae Beecher Crampton 1969-6-18 8462 Siskiyou Oro Fino. (ca. 4 miles w.s.w. of Fort Jones in direct line.) Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  UC637045  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  UC903493  Taxus brevifolia Dorothy Parker 1945-4-30 Siskiyou along banks Kidder Creek (Scott Valley); , along banks of Kidder Creek 853 Comment
  UC166555  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  CAS-BOT-BC88066  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  HSC49929  Thelypodium brachycarpum Gilbert Muth 1978-8-2 7326 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 1853 Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  RSA604464  Thermopsis robusta L. C. Wheeler 1959-7-25 7591 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  HSC64056  Thlaspi fendleri var. hesperium J. P. Smith, Steve Selva 1970-7-17 4457 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC375349  Thysanocarpus curvipes Geo. D. Butler 1909-4-4 572 Siskiyou dry land near Yreka; near Yreka Comment
  CDA7717  Tragopogon dubius T. C. Fuller 1958-6-19 1800 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC34265  Triantha occidentalis subsp. occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7317 Siskiyou W of Cliff Lake 1982 Comment
  HSC44991  Triantha occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-7-27 4508 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  CAS-BOT-BC519563  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1928-8-19 6509 Siskiyou Siskiyou: English Lake, Salmon River Comment
  CDA40990  Trichostema lanceolatum F. D. Horn 1977-10-4 s.n. Siskiyou Bogus Area east of Hornbrook. 0 Comment
  SBBG25930  Trichostema oblongum D. Myrick 1966-8-8 1476 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA119376  Trifolium breweri S. S. Tillett 1956-7-11 695 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CHSC86676  Trifolium cyathiferum Jenny Marr 1993-7-1 59 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237929  Trifolium cyathiferum Frederick W. Oettinger 1969-8-1 1127 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  POM349496  Trifolium eriocephalum subsp. eriocephalum M. B. Dunkle 1944-7-15 9104 Siskiyou Siskiyou National Park Comment
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  CAS-BOT-BC219036  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off. Seep 1/2 mi. south of Paradise Lake Comment
  UC1409202  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou vicinity English Peak (Pine Lake Meadow); Salmon Mtns, Marble Mtn Wilderness area 1874 Comment
  UCD109135  Trifolium howellii J. M. Tucker; D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC81684  Trifolium longipes Thomas W. Nelson, Jane P. Nelson 1980-7-20 6167 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA666382  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UCD111256  Trifolium longipes AHM 1953-7-28 KNF 3 Siskiyou Trinity county line. Long Gulch Canyon. 1676 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  JEPS65936  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Block 5, Yreka Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  UC1181807  Trillium chloropetalum Dorothy Parker 1950-4-22 405 Siskiyou Etna Creek Siskiyou Mts., Salmon Mts., Etna Creek 914 Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA234824  Trillium ovatum Frederick W. Oettinger 1969-8-25 1557 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
  HSC36427  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-6-12 937 Siskiyou Along Duck Lake Creek 1921 Comment
  HSC60806  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-24 229 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
  HSC66231  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-15 1761 Siskiyou English Lake inlet 1780 Comment
  RSA760934  Trillium ovatum subsp. oettingeri Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63359 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC19120  Trisetum spicatum J. O. Sawyer 1969-8-1 1631 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CHSC2079  Triteleia hyacinthina M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET8360227  Utricularia minor Barbara L. Wilson 2011-8-23 16864 Siskiyou Fawn Creek meadows; a couple hundred yards downstream. 1879 Comment
  HSC19529  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1627 Siskiyou NE facing slope above Duck Lake Creek 1921 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
  SJSU6545  Vaccinium cespitosum R. W. Trivelpiece 1973-6-21 151 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC618889  Vaccinium cespitosum unknown 1938-7-21 11302 Siskiyou Panther Creek Mount Shasta Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  HSC19355  Vaccinium membranaceum J. O. Sawyer 1968-6-25 304 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC69426  Vaccinium parvifolium Edward Palmer 1980-7-23 563 Siskiyou Past Elbow Springs at end of F.S. road 15N19 1220 Comment
  CAS-BOT-BC199484  Vaccinium scoparium John Thomas Howell 1939-8-6 15109 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC199488  Vaccinium scoparium Wayne Roderick 1967-9-1 s.n. Siskiyou Between Cedar and Cliff lakes 1828 Comment
  CAS-BOT-BC228831  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1930 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  RSA22057  Vahlodea atropurpurea J. T. Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC267276  Valeriana Carl B. Wolf 1934-7-4 5957 Siskiyou Siskiyou Mountains, 6.8 miles from Dry Lake Lookout on road to Horse Creek 1828 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  HSC61296  Vancouveria hexandra Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley