Search Results — 2000 specimen records retrieved (1379 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC41645  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #116 2287 Comment
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  CAS-BOT-BC73510  Abies concolor Doris K. Kildale 1928-8-18 6456 Siskiyou Finley's Upper Camp - north fork Salmon River. 1371 Comment
  HSC69281  Abies concolor Maralyn A. Renner 1980-7-24 1967 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS82417  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Mt. 1792 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC32541  Abies lasiocarpa Steven Lagos 1974-5-26 83 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  JEPS105135  Acer glabrum var. diffusum Dean W. Taylor 1996-7-12 15792 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC330989  Acer glabrum var. glabrum Alice Eastwood; John Thomas Howell 1937-6-25 5018 Siskiyou Scott Mts. above Callahan Comment
  RSA47650  Acer macrophyllum Roxana S. Ferris, Laura Lorraine 1948-6-16 11778 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  SEINET2146077  Achillea lanulosa W. Bridge Cooke 1941-7-18 16068 Siskiyou Along the Wagon Camp-Bear Springs road. 1680 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
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  JEPS37099  Achillea millefolium W. L. Jepson 1940-6-23 20024 Siskiyou n of Mt. Shasta; Andesite sta., n. of Mt. Shasta 975 Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  HSC30339  Achillea millefolium Dale R. Gradek 1974-5-25 47 Siskiyou On Road Eight, 0.9 miles from junction with Hwy. 3 Comment
  UCD128329  Achillea millefolium Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  UC637079  Achlys californica Edward Lee 1934-8-13 1085 Siskiyou Happy Camp to Waldo (Oregon) rd., watershed of W. Branch Indian Creek Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  CAS-BOT-BC260333  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  UC165449  Achnatherum lemmonii Geo. D. Butler 810 Siskiyou near Yreka Comment
  CAS-BOT-BC210750  Achnatherum nelsonii H. A. Thomas; J. H. Thomas 1954-7-24 4513 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 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
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  UCD51225  Achnatherum occidentale subsp. pubescens Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  SBBG27160  Achyrachaena mollis L. C. Wheeler 1935-5-26 3533 Siskiyou Yreka Crk, Siskiyou Mts (S4, T 44N, R7W) 853 Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  CAS-BOT-BC391504  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  HSC64353  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-17 4453 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  SBBG1696  Aconogonon davisiae H. and M. Dearing 1939-7-1 3776 Siskiyou Salmon-Etna divide Salmon Mtn 1828 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  UCD98564  Aconogonon newberryi J. M Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  HSC61826  Aconogonon phytolaccifolium Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  SEINET5718353 Image available Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-1 3719 Siskiyou Ca. 0.25 mile down the trail (north of) from the lake, to a lesser extent on open slopes, Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  HSC98138  Adenocaulon bicolor J. O. Sawyer 1969-7-23 1451 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC77281  Adenocaulon bicolor L. P. Janeway 1983-6-29 352 Siskiyou Along road 19N07 approx. 2 miles N of the Indian Cr. Rd. 701 Comment
  RSA211518  Adenocaulon bicolor William J. Ferlatte 1966-8-18 405 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC46073  Adiantum aleuticum J. P. Smith, Steve Selva 1970-6-14 3876 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC68427  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1400 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC93000  Adiantum aleuticum Jennifer Whipple 1976-8-20 1723 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC110722  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Road, 1 mile east of Montague. Comment
  UCD51463  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along road just east of Montague. Comment
  CHSC114933  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. Comment
  UCD124874  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou pahoehoe lava at entrance of lava cave; Lava Beds National Monument. Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  RSA714932  Ageratina occidentalis M. E. Fishbein 2006-8-3 5873 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  UC1409448  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1950 Comment
  CAS-BOT-BC15483  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10875 Siskiyou Medicine Lake Comment
  CHSC69063  Agoseris aurantiaca Vernon H. Oswald; Lowell Ahart 1997-7-8 8785 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southest of Paynes Springs. 1920 Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA211195  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou Wooded slope on the north side of Caribou Mtn. 1921 Comment
  RSA238736  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Stream bank about 100 yards below Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC21372  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC21389  Agoseris aurantiaca var. aurantiaca Wm. Bridge Cooke 1939-7-26 13638 Siskiyou Near the lower portion of the Panther Creek meadow area 2286 Comment
  SFV5158  Agoseris grandiflora B. C. Templeton 1960-6-21 8525 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS36274  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou Marlahan Ranch Oro Fino Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  HSC76761  Agoseris monticola K. T. Stillman 1976-9-9 492 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  UC618847  Agoseris retrorsa W. Bridge Cooke 1938-6-17 11031 Siskiyou Southern Trail Sisson; Mount Shasta 1371 Comment
  CAS-BOT-BC110758  Agropyron cristatum T. C. Fuller 1963-8-26 11161 Siskiyou North limits of Macdoel, Butte Valley. 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-BC126987  Agrostis exarata Louis C. Wheeler 1934-6-26 2792 Siskiyou Cottonwood Creek. Siskiyou Mountains. 838 Comment
  CAS-BOT-BC126994  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, old Aromas Mine road. 609 Comment
  UCD52127  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  RSA129196  Agrostis gigantea H. S. Yates 1936-6-21 5824 Siskiyou one mile southeast of Gazelle. 793 Comment
  HSC30639  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC138930  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 2072 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA238994  Agrostis scabra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1169 Siskiyou Margin of lake, outlet to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  UCD53604  Agrostis stolonifera Beecher Crampton 1956-8-22 3868 Siskiyou Wagon Camp Road, about 5.5 miles SW of Panther Meadow, lower south slopes of Mt. Shasta. 1645 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC162059  Agrostis stolonifera Elmer I. Applegate 1895-8-23 801 Siskiyou West side of Klamath Lake, near Pelican Bay. Comment
  CAS-BOT-BC138477  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  RSA186327  Agrostis variabilis Gilbert Muth 1966-10-16 18 Siskiyou Marble Mountain. 1793 Comment
  JEPS84244  Allium L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 a Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC462379  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC21984  Allium bolanderi var. bolanderi J. O. Sawyer 1969-6-12 924 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC76636  Allium falcifolium K. T. Stillman 1976-6-25 54 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  UCD143200  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  HSC30918  Allium siskiyouense Melinda F. Denton 1973-6-27 2797 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  HSC69158  Allium validum Maralyn A. Renner 1980-8-4 2210 Siskiyou Flint Valley 1390 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
  CAS-BOT-BC478032  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  RSA237879  Allium validum Frederick W. Oettinger 1967-7-30 219 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC171411  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  CAS-BOT-BC169642  Alnus rhombifolia Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  HSC2384  Alnus viridis subsp. sinuata William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek trail 1677 Comment
  UC642581  Alnus viridis subsp. sinuata W. Bridge Cooke 1939-8-10 13862 Siskiyou Mud Creek Canyon Mount Shasta (around springs on walls, from the Hudsonian to the Transition Zones) Comment
  SEINET10628528 Image available Amelanchier pallida A. Arthur Heller 1905-6-5 Heller 7979 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  JEPS13784  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou Yreka Comment
  JEPS83039  Androsace filiformis Linda M. Barker 1980-6-29 1982 Siskiyou Parker Camp Meadow Klamath National Forest 1767 Comment
  UC1046555  Anemone deltoidea R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp Rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  RSA238286  Anemone deltoidea Frederick W. Oettinger 1967-8-3 s.n. Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  CAS-BOT-BC391855  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC391852  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC391933  Anemone lyallii Harley P. Chandler 1901-6-1 1551 Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  UCR37848  Anemone multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mountain Wilderness Area 2012 Comment
  UC985973  Angelica arguta T. S. Brandegee July 1887 Siskiyou Mount Shasta Comment
  CAS-BOT-BC221414  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit 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
  UCD127190  Angelica tomentosa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  HSC34298  Angelica tomentosa J. P. Smith, J. O. Sawyer 1973-8-14 7292 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA237410  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1967-7-26 194 Siskiyou Along Crapo Peak Ridge about mid-way between summit and where trail to Toms Lake crosses ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  HSC67032  Anisocarpus madioides J. P. Smith, Steve Selva 1970-6-14 3881 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC725677  Antennaria argentea A. A. Heller 1919-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy. 1371 Comment
  CAS-BOT-BC59276  Antennaria argentea W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake, near Sacramento -- ? Comment
  HSC58900  Antennaria corymbosa Marvin Butler 1971-8-31 327 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC59157  Antennaria dimorpha Roxana S. Ferris; Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  HSC61190  Antennaria racemosa Al Hobart Siskiyou El Capitan 1524 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  RSA123632  Antennaria rosea G. D. Barbe 1955-8-1 327 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UC1190277  Antennaria rosea Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC84731  Antennaria umbrinella Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  UC902212  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-9-14 18551 Siskiyou 5 mi w Cecilville (along South Fork of Salmon River) 670 Comment
  SBBG30602  Apocynum androsaemifolium D. Myrick 1968-6-24 2005 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC22900  Apocynum androsaemifolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott R. Valley Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  RSA45334  Apocynum cannabinum Dorothy Parker 1947-7-14 s.n. Siskiyou In Howman s Valley 1204 Comment
  CAS-BOT-BC394979  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  UC637157  Aquilegia formosa Edward Lee 1934-8-11 1038 Siskiyou Walker Creek; a tributary of the Klamath River 609 Comment
  CAS-BOT-BC394988  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  UCD95553  Aquilegia formosa J. P. Smith; Steve Selva 1970-6-15 3975 Siskiyou 1 mile west junction Calif. 3 and Road 8 leading to Sugar Creek. 1158 Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS53064  Arabis glabra Geo. D. Butler 1908-8-3 123 Siskiyou Log Lake Shackelford Creek Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  HSC40072  Arabis holboellii var. retrofracta J. P. Smith, Steve Selva 1970-6-15 3963 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  RSA0128697  Arabis lyallii Frederick W. Oettinger 1969-8-13 1356 Siskiyou North side, trail crossing Crapo Ridge; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt. Wilderness Area. 2195 Comment
  HSC90288  Arabis modesta D. L. Goforth 1980-6-26 634 Siskiyou Salmon River Rd. at Tom Payne Creek 290 Comment
  HSC6536  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 92 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC82564  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4724 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  UC705878  Aralia californica Marion Ownbey and Fred G. Meyer 1940-7-8 2221 Siskiyou 3 mi. e. Happy Camp (along Glade Creek near its mouth); Glade Creek Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UC375254  Arceuthobium campylopodum Geo. D. Butler 1908-8-4 270 Siskiyou Shackleford Creek Comment
  UC1034036  Arceuthobium cyanocarpum WBC 1941-8-21 16212 Siskiyou nw side of Shastina Mount Shasta 2438 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC39991  Arctostaphylos nevadensis Alice Eastwood 1921-7-24 10764 Siskiyou Castle Lake Comment
  POM367358  Arctostaphylos nevadensis H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house. 1250 Comment
  RSA14981  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City. 2134 Comment
  RSA211438  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1409401  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi s Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Shasta R 2072 Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  OBI36634  Arctostaphylos patula David J. Keil 1983-7-3 17348 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  POM301588  Arctostaphylos patula C. Hart Merriam 1899-10-6 s.n. Siskiyou Sisson. Comment
  UC1409417  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou n end Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC166197  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-4-26 693 Siskiyou Oro Fino hills Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  SD88364  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1659 Comment
  UCD129099  Arnica cernua G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3269 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC1608321  Arnica chamissonis J. Kierstead 1990-8-23 90 -136 Siskiyou small sedge meadow associated with spring feeding Cold Creek; Shasta-Trinity National Forests, McCloud Ranger District 1615 Comment
  HSC61205  Arnica cordifolia Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  CAS-BOT-BC82551  Arnica discoidea Alice Eastwood; John Thomas Howell 1937-6-26 5047 Siskiyou Salmon Mts. near Taylor Creek Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  HSC610  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou NW side of Caribou Mtn.; near Browns Meadow 1829 Comment
  UCD129170  Arnica mollis J. M. Tucker 1974-7-28 4322 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  UCD77358  Arnica mollis Robert E. Preston 2001-7-20 1693 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC90060  Arnica nevadensis Philip A. Munz 1952-7-2 17879 Siskiyou road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  POM211808  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  CHSC72224  Artemisia cana subsp. bolanderi Vernon H. Oswald; Lowell Ahart 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  UC1212151  Aruncus dioicus var. pubescens Francia Chisaki and Helen K. Sharsmith 1959-8-20 4742 Siskiyou Salmon River between Forks of Salmon and Somes Bar; Inner North Coast Ranges 304 Comment
  UC1736235  Aruncus dioicus var. pubescens Dean W. Taylor 1972-7-3 1583 Siskiyou Cook and Green Pass 1371 Comment
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  HSC36712  Asarum caudatum Brent Whiteley 1975-7-3 138 Siskiyou 1220 Comment
  UC1313032  Asarum caudatum J. M. Tucker 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  UCD137826  Asarum caudatum Mary Andriessen 1962-5-19 54 Siskiyou in vicinity of Flicker Ridge in the Moraga Hills. Comment
  CAS-BOT-BC400698  Asarum hartwegii Doris K. Kildale 1930-6-1 9715 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  RSA0092490  Asclepias cordifolia Jennifer Hedin 1996-5-27 228 Siskiyou Lower Mel, R falls, campground/picnic area. Location interpreted by M. Fishbein: Lower Fowler Falls near McClout and Fowler Camp. Comment
  RSA577024  Asclepias cordifolia L. C. Wheeler 1934-6-9 2669 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SEINET10455161  Asclepias cordifolia LeRoy E. Detling 1947-6-4 Detling 6118 Siskiyou Slater butte. Klamath national forest. Pseudosuga taxifolia - quercus chrysolepsis - q. Kelloggii - arbutus menziesii - acer macrophyllum - pinus lambertiana. Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  SEINET10741573  Asclepias speciosa H. E. Brown 1897-7-15 Brown 493 Siskiyou N side of Mt. Shasta Comment
  UCD121381  Asclepias speciosa J. P. Smith; Steve Selva 1970-7-15 4362 Siskiyou Baldy Mountain Lookout Station. 1722 Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  CAS-BOT-BC376178  Aspidotis densa Andrew Townesmith; Karen M. Meyer 2007-8-1 885 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  HSC19423  Aspidotis densa J. O. Sawyer 1968-7-23 618 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  RSA686379  Aspidotis densa M. B. Dunkle 1945-1 9305 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA259559  Aster ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1982 Comment
  POM261532  Aster radulinus Alice Eastwood 1912-7-21 1281 Siskiyou Sisson. Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  CAS-BOT-BC178819  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  UC163663  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Hills Comment
  CDA26664  Astragalus filipes L. Ahart, J. Dittes 2005-6-1 12092 Siskiyou North of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  HSC2393  Asyneuma prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  CAS-BOT-BC69574  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  CAS-BOT-BC68703  Athyrium alpestre var. americanum John Thomas Howell 1939-8-9 15227 Siskiyou Marble Mts. - ride sout of Marble Valley Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  CAS-BOT-BC66181  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at Marble Valley Comment
  UC725959  Atriplex rosea A. A. Heller 1925-7-25 13902 Siskiyou Shasta Valley near Gazelle; Shasta Valley near Gazelle Comment
  CAS-BOT-BC106543  Balsamorhiza deltoidea J. H. Thomas 1954-5-14 4183 Siskiyou Salmon Muontains, Klamath National Forest. Near South Fork of Salmon river, 5 to 9 miles southeast of Cecilville, 1219 Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  UC909370  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 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
  HSC60836  Barbarea orthoceras Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA237267  Barbarea orthoceras Frederick W. Oettinger 1969-8-22 1498 Siskiyou North side of Horse s Hole, near Horse Range Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC1191424  Bassia hyssopifolia Verne Grant and Irving Schneider 1947-8-25 8280 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  CHSC27775  Berberis aquifolium K. Bridwell 1978-4-14 85 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  LA204057  Berberis aquifolium var. aquifolium Carl B. Wolf; 1934-7-5 5974 Siskiyou Siskiyou Mountains, 4.7 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout 1219 Comment
  HSC22119  Berberis aquifolium var. repens J. O. Sawyer 1969-6-11 837 Siskiyou NE facing slope near C.C.C. Rd. on the N fork of Horse Range Creek 1341 Comment
  HSC26925  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4848 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC75728  Berberis nervosa L. E. Smith 1913-8-30 543 Siskiyou Mount Eddy. Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  RSA96620  Betula occidentalis P. C. Everett, E. K. Balls 1954-10-13 20281 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC102118  Bidens cernua Alice Eastwood 1917-9-2 6658 Siskiyou Shasta Springs Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127930  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  HSC68063  Blepharipappus scaber J. P. Smith, Steve Selva 1970-6-15 3982 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC894094  Blepharipappus scaber Louis C. Wheeler 1935-6-9 3553 Siskiyou s slope Yreka Creek, Siskiyou Mts. Siskiyou Mts., Yreka Creek 1219 Comment
  POM208286  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UC166207  Boechera acutina Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain 1828 Comment
  SEINET193231  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC16026  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13540 Siskiyou Caribou Mountain. 2438 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  UC1409351  Boechera platysperma Frederick W. Oettinger 1969-9-4 1636 Siskiyou peak just e Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  SEINET3166090  Boechera retrofracta P. J. Alexander 2008-7-23 867 -A Siskiyou Boulder Creek Trail, +-1.9 miles N of Boulder Peak, +-6 miles ENE of Black Marble Mountain, +-15 miles NW of Etna, Salmon Mountains, Klamath National Forest. 1798 Comment
  CAS-BOT-BC25618  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11858 Siskiyou 1.5 miles below summit of Gazelle Moutain grade, east side. 1417 Comment
  CAS-BOT-BC25619  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11762 Siskiyou East fork of Scott River one mile north of Callahan. Comment
  UC375281  Boechera sparsiflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka; ; Siskiyou Co. Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC25874  Boechera subpinnatifida George Dexter Butler 1909-4-8 587 Siskiyou Humbug Mountain. Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC163914  Brickellia grandiflora Geo. D. Butler 1908-8-8 305 Siskiyou summit above Woolly Creek Comment
  UCR108347  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mtns, South fork Indian Creek, near Happy Camp 333 Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  RSA127008  Bromus carinatus H. S. Yates 1936-6-21 5832 Siskiyou one mile southwest of Signal Butte. 1341 Comment
  CAS-BOT-BC149055  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 591 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  UCD59110  Bromus carinatus var. marginatus F. G. Stuckey 1933-10-1 s.n. Siskiyou 30 mi. NE of Mt. Shasta. 1097 Comment
  UCD59243  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou Prospect Hill, 3 miles (airline distance) NW from mouth of Salmon River. 1097 Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  UC1265364  Bromus suksdorfii F. W. Oettinger 1968-8-24 624 Siskiyou ne of Tom Taylor Cabin (above Crapo Ridge, Salmon Mountains, W Siskiyou County); Salmon Mountains 1889 Comment
  CAS-BOT-BC185599  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud. Comment
  HSC30543  Bromus tectorum Frederick W. Oettinger 1969-8-18 1432 Siskiyou Marble Mtn. Wilderness Area, NE of Horse Range Lake 1860 Comment
  UC909361  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou east fork of Scott River, at Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  UCD60239  Bromus vulgaris Robert E. Preston 2001-7-20 1688 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1731 Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  HSC23100  Calamagrostis canadensis var. langsdorffii J. O. Sawyer 1969-8-1 1605 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC31105  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1172 Siskiyou Salmon Mountains, Tobacco Lake, upper meadow 1890 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  HSC92434  Calamagrostis koelerioides Jennifer Whipple 1977-7-22 2028 Siskiyou Near Dobkins Lake 2073 Comment
  JEPS116610  Calamagrostis koelerioides Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -027 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2103 Comment
  RSA758079  Calamagrostis koelerioides Barbara Ertter 1990-7-14 9305 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
  UCD57318  Calamagrostis koelerioides A. H. Murphy 1956-8-16 56 U Siskiyou Klamath Natioal Forest, east end Big Marshy Meadow. 1828 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD132900  Calocedrus decurrens Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou southeast of Marble Mountain, Marble Mountains. 1828 Comment
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  RSA47796  Calochortus coeruleus Roxana S. Ferris, Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC1409212  Calochortus elegans Frederick W. Oettinger 1969-7-10 951 Siskiyou nw of Lower English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1767 Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  HSC15366  Calochortus macrocarpus var. macrocarpus D. M. Thomson 1965-7-21 155 Siskiyou Lava Beds National Monument, N boundary rd., near Canbys Cross Comment
  SEINET5108507  Calochortus nudus Unknown 1995-7-2 27 Siskiyou east of city Mt. Shasta; near intersection with Old Camp Two Rd. on highway 89 Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  UC337923  Calochortus tolmiei unknown Siskiyou near Shasta Comment
  JEPS30008  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou in Scott Valley, ne sector of T43N R9W S17 Scott Valley Comment
  HSC77017  Calyptridium umbellatum K. T. Stillman 1976-6-25 36 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC141667  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  CAS-BOT-BC221260  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS128468  Calystegia occidentalis subsp. occidentalis Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -024 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 3 miles northwest of Stewart Springs. Comment
  JEPS31612  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou near Yreka; near Yreka Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10462856  Campanula prenanthoides Butler 1908-8-10 BUTLER 145 Siskiyou SHACKLEFORD CREEK 4000 Comment
  SEINET10463313  Campanula prenanthoides Frank W. Peirson 1926-7-11 Peirson 7023 Siskiyou HALF WAY UP GRADE, GRADE W OF ETNA OR ETNA MILLS Comment
  SEINET10905888  Campanula prenanthoides Baker Baker s.n. Siskiyou McCloud River, 6 m below Bartles. Comment
  HSC49931  Campanula scabrella Gilbert Muth 1978-8-1 6957 Siskiyou Near Cory Peak, close to the town of Callahan. 2195 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  RSA456192  Campanula scouleri M. B. Dunkle 1944-7-18 9148 Siskiyou Siskiyou National Forest Comment
  UC131860  Campanula scouleri Dr. E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy 1310 Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  SEINET10905940  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou BUCK LAKE 1311 Comment
  UC1258470  Campanula scouleri John Palmer 1980-8-12 751 Siskiyou road from Beaver Creek Road to Bearground Spring; Condry Mtn. Quad. 1341 Comment
  HSC687  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  CAS-BOT-BC37235  Cardamine bellidifolia R. H. Bolimannsou 1926-7-16 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC37744  Cardamine californica A. A. Heller 1921-7-7 13565 Siskiyou On Mount Eddy. 1828 Comment
  RSA281668  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-23 120 Siskiyou Wright Lakes Trail at Upper Wright Lake, approx. 11 air miles W of Fort Jones, Marble Mts. 2195 Comment
  HSC40061  Cardamine oligosperma J. P. Smith, Steve Selva 1970-6-15 3955 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 Comment
  UC826284  Carex Frank W. Gould 1940-5-14 1228 Siskiyou Bull Meadows Goosenet Mountains 1524 Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  UCR52393  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road c. 0.5 mi north of West Branch USFS Station. 671 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  SEINET7556585 Image available Carex deflexa var. boottii Unknown 1969-8-5 1217 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Near Crapo Peak at Crapo View Gap. Comment
  CAS-BOT-BC20044  Carex echinata H. E. Brown 1897-6-16 416 Siskiyou North side of Mount Shasta. Comment
  CAS-BOT-BC19921  Carex epapillosa Alice Eastwood 1921-7-28 s.n. Siskiyou Medicine Lake. Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  HSC89763  Carex halliana D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Sep 21 2012
  JEPS95113  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CHSC106461  Carex hassei Peter F. Zika 2009-6-18 24535 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  UCD77474  Carex heteroneura Robert E. Preston 2001-6-30 1667 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1853 Comment
  CHSC39001  Carex hoodii J. D. Jokerst 1983-7-5 1827 Siskiyou Along the upper margin of the NE corner of Atkin's Meadow. Ca 15 air miles E. of McCloud. Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  POM81782  Carex lenticularis var. impressa Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  HSC39867  Carex luzulina J. O. Sawyer 1969-7-11 1329 Siskiyou S Sugar Creek 2012 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UCD140537  Carex luzulina Peter F. Zika 2009-6-18 s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summitm Klamath Range (KR). 1640 Comment
  CDA33108  Carex luzulina var. luzulina Gordon Leppig 1998-7-1 911 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC86630  Carex multicaulis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  UC495521  Carex multicaulis Geo. D. Butler 1909-7-15 853 Siskiyou Highland Mine Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  JEPS106479  Carex multicaulis J. K. Nelson with J. R. Nelson 2004-7-4 2004 -60 Siskiyou S side Mount Shasta, W side Squaw Valley Creek above Road 31 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC85829  Carex multicostata L. P. Janeway 1983-7-2 362 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  HSC77269  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Along road to Copco Lake 884 Comment
  CAS-BOT-BC119901  Carex nebrascensis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar, near NcCloud. Comment
  CAS-BOT-BC119681  Carex nervina W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring. Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  HSC29655  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lower Pond 1951 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  CHSC40165  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the East Fork Scott River at the Hwy 3 bridge just east of Callahan. 987 Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  POM80147  Carex phaeocephala E. B. Copeland 1903-7-16 3568 Siskiyou Mt. Shasta. 3171 Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  CAS-BOT-BC118790  Carex preslii George Dexter Butler 1909-6-13 806 Siskiyou Damp meadow near Oro Fins Comment
  HSC37426  Carex raynoldsii J. O. Sawyer 1969-7-24 1482 Siskiyou SW of Sugar Lake 1890 Comment
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  HSC76825  Carex scabriuscula L. P. Janeway 1982-8-14 135 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC91274  Carex scabriuscula Jennifer Whipple 1976-6-30 1216 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  CAS-BOT-BC117401  Carex senta A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 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-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA233693  Carex spectabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238927  Carex spectabilis Frederick W. Oettinger 1968-9-6 731 Siskiyou Trail southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. Comment
  SEINET7575713 Image available Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, slope southeast of Abbotts Lake. 1722 Comment
  RSA780390  Carex straminiformis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38983 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC115854  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 914 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  CHSC38988  Carex vesicaria J. D. Jokerst 1983-7-5 1829 A Siskiyou Along the upper edges of the wet meadow. N end of Atkin's Meadow, ca 15 air miles east of McCloud. Comment
  CAS-BOT-BC114816  Carex whitneyi Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  HSC99730  Cassiope mertensiana K. A. Wayman 2010-8-14 263 Siskiyou Trinity Alps Wilderness, near Thompson Peak, beneath N side of Caesar Peak 2439 Comment
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  CAS-BOT-BC241146  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-7-17 1185 Siskiyou Sisson Comment
  HSC91203  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-7-2 1249 Siskiyou Along stream draining Durney Lake 2073 Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  JEPS3786  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mt. 1828 Comment
  JEPS84015  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  POM42530  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. 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
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SEINET3159266  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  HSC63134  Castilleja miniata subsp. miniata M. A. Baker 1979-7-30 1070 Siskiyou 1900 Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  JEPS68264  Castilleja tenuis L. R. Heckard 1972-5-31 2938 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  CAS-BOT-BC48647  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 mi. E. of McCloud on Calif. Highway #89 1219 Comment
  CAS-BOT-BC48702  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson 1219 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  UC375371  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-20 497 Siskiyou near Yreka Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  CAS-BOT-BC63606  Ceanothus integerrimus Doris K. Kildale 1928-7-2 5353 Siskiyou Salmon Summit via How Creek Trail. 1981 Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  RSA301660  Ceanothus integerrimus var. integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  CAS-BOT-BC52114  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou Weed Comment
  HSC100190  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13410 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  UC1076021  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou on Scott Mountain road five mi s Callahan; s of Callahan Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  CAS-BOT-BC53027  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Klamath Forest - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  UC163692  Ceanothus sanguineus Geo. D. Butler 1909-5-30 771 Siskiyou Humbug Mountains Comment
  JEPS89111  Ceanothus tomentosus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
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May 9 2008
  CHSC33390  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou Open slopes south of Little Duck Lake. 2133 Comment
  HSC30657  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  RSA238028  Ceanothus velutinus Frederick W. Oettinger 1967-8-26 323 Siskiyou English Peak near the summit and covering a small solid area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC144560  Ceanothus velutinus A. A. Heller 1905-6-16 8046 Siskiyou near Sisson; near Sisson Comment
  UCD130021  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou west side of Highway 97 to Weed, 3 miles south of Macdoel. Comment
  RSA170310  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  HSC43134  Centaurea solstitialis Ken Stillman 1976-8-24 415 Siskiyou E and N slopes of Williams Point 366 Comment
  CDA7338  Centaurea squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. 0 Comment
  CAS-BOT-BC281206  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16261 Siskiyou W side of Highway 97 to Weed, 3 miles S of Macdoel Comment
  CAS-BOT-BC288795  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  HSC2328  Centromadia pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta Comment
  UC164420  Cephalanthera austiniae Geo. D. Butler 1909-7-15 882 Siskiyou Highland Mine Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  RSA138253  Cercis occidentalis Percy C. Everett, E. K. Balls 1959-10-24 23946 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  POM88102  Cercocarpus ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou Dry hill, Yreka. Comment
  UC1539981  Cercocarpus ledifolius var. ledifolius M. H. Mitchell 1936-5-21 Siskiyou Modoc Lava Beds National Monument, s of the road to Devil's Gate Modoc Lava Beds National Monument 1310 Comment
  UC60894  Cercocarpus ledifolius var. ledifolius W. A. Setchell, C. C. Dobie July 1902 Siskiyou Sheep Racks, Mount Shasta Sheep Racks; Mount Shasta, Sheep Racks Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  RSA105314  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  UC163690  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 445 Siskiyou near Yreka Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  UC335137  Cheilanthes gracillima unknown Nov. 1891 Siskiyou near Sisson (Box Canyon) Comment
  UCSB51233  Cheilanthes gracillima Almanza, Ed 1976-7-14 Siskiyou Castle Crags, Trinity Mountains 2438 Comment
  RSA45491  Chenopodium vulvaria J. C. Roos 1948-9-1 3985 Siskiyou Fort Jones. Comment
  HSC19315  Chimaphila menziesii J. O. Sawyer 1968-7-10 503 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC73225  Chimaphila menziesii Gail Newton 1980-6-20 518 Siskiyou Near Bald Mtn. 1326 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  CHSC33839  Chimaphila umbellata J. D. Prouty 1981-7-13 1233 Siskiyou W slope of Lookout Point. 1615 Comment
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC1505637  Chimaphila umbellata Robert T. Clausen and Harold Trapido 1940-7-26 4960 Siskiyou Mud Creek canyon Mt. Shasta; S. Cascade Mts., Sacramento R. Basin, , Mud Creek 1493 Comment
  RSA238330  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 305 Siskiyou Just about 10 yards n.w. of the Pine Lake campsite at the n.w. side of the lake. 1921 Comment
  CAS-BOT-BC498814  Chlorogalum pomeridianum Doris K. Kildale 1929-7-20 8651 Siskiyou trail up South Fork Indian Creek to Elk Lick. Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC572800  Chrysolepis sempervirens unknown 1937-7-23 9139 Siskiyou Mt. Shasta Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  RSA239134  Cinna latifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1165 Siskiyou Between Base Camp and Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  CAS-BOT-BC285349  Cirsium andersonii L. S. Smith 1913-8-30 536 Siskiyou Mount Eddy Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC277924  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CAS-BOT-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  HSC92673  Cirsium douglasii var. breweri Jennifer Whipple 1977-8-6 2207 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  CAS-BOT-BC288776  Cirsium remotifolium H. A. Thomas; J. H. Thomas 1954-7-25 4536 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  POM208257  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1934-6-2 2610 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC42940  Clarkia rhomboidea J. O. Sawyer, Ken Stillman 1976-7-1 2775 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS33855  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  UC454552  Clarkia rhomboidea I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  HSC16271  Clarkia stellata R. C. Wunner 1965-6-6 198 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  SFV1158  Claytonia exigua subsp. exigua J. R. Swanson 1961-3-27 670 Siskiyou 1 mile south of Fort Jones, west side of Scott Valley. Comment
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA238295  Claytonia rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC443828  Claytonia rubra subsp. rubra J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 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
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  HSC19260  Clintonia uniflora J. O. Sawyer 1968-9-13 724 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19262  Clintonia uniflora J. O. Sawyer 1968-7-2 372 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CHSC86632  Collinsia parviflora Jenny Marr 1993-7-1 15 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC68497  Collinsia parviflora Maralyn A. Renner 1980-6-22 887 Siskiyou Slopes N of Little Shasta River 1372 Comment
  SBBG6871  Collinsia parviflora J. M. Tucker 1947-5-17 1556 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  HSC74914  Collinsia rattanii J. P. Smith 1978-5-28 9951 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  UC1409406  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou meadow s of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 2026 Comment
  UC1190265  Collinsia torreyi var. latifolia Ira L. Wiggins 1955-7-24 13493 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks Blind Horse Creek 1645 Comment
  JEPS82448  Collinsia torreyi var. wrightii Gilbert Muth 1966-7-18 416 Siskiyou above Mable Valley (meadow along Marble Gap Trail); Marble Mt Wilderness Area 1828 Comment
  UC52546  Collomia grandiflora Geo. B. Grant September, 1902 5242 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UC52561  Collomia grandiflora Geo. B. Grant September, 1902 5159 Siskiyou Sisson Mount Shasta 914 Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  HSC68370  Collomia heterophylla J. P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC94908  Collomia tinctoria R. C. Wenk 2005-7-15 202 Siskiyou Trinity Alps, above S Fork of Salmon River, along Yellow Rose Mine Trail 1767 Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  HSC45974  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3898 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC230676  Collomia tracyi L. B. Kildale 1930-6-1 9702 Siskiyou Salmon River at [Cropp?] Creek Comment
  CAS-BOT-BC133722  Corallorhiza Doris K. Kildale 1928-8-20 6600 Siskiyou Field redacted by CAS, contact the data manager for more information 2133 Comment
  UC375215  Corallorhiza maculata Geo. D. Butler 1908-7-12 Siskiyou Humbug Mountain Comment
  RSA184810  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley, Marble Mountains 1793 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  JEPS57502  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2124 Siskiyou 13 1/2 mi w Shasta County Line (5 1/2 mi w of Medicine Lake junction, along Hwy 89) 1066 Comment
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  UCR246501  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson, Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir, Panorama Drive north of Hwy I-5. Study site 14 774 Comment
  HSC36710  Cornus canadensis Brent Whitely 1975-7-8 148 Siskiyou 762 Comment
  CAS-BOT-BC212270  Cornus glabrata Geo. D. Butler 1909-7-7 974 Siskiyou Along creek near Yreka Comment
  SEINET10739246  Cornus glabrata Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC19271  Cornus nuttallii J. O. Sawyer 1968-6-19 252 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  UC165402  Cornus sericea subsp. sericea Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  UC1585410  Corylus californica R. Raiche, K. Zadnik, and H. Forbes Feb 1989 UCBG 36 Siskiyou SW of Little Medicine Mt., Elk Valley, near Del Norte Co. line 1325 Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  UCR246630  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Hwy 3 on Lighthill Road south of Fort Jones 831 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
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS105110  Crepis acuminata Dean W. Taylor 1993-7-30 13988 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA715494  Crepis bakeri L. Ahart, John Dittes 2005-6-9 12028 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  UC581197  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1903 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC290839  Crepis occidentalis subsp. pumila J. Grisham 1958-5-14 399 -58 Siskiyou Yreka Comment
  UC1282027  Crepis pleurocarpa Louise Kellogg Aug 8 1953-Aug 9 1953 126 Siskiyou Blue Point Scott Mountains, Klamath National Forest (near Scott Mountain Public Campground) 1630 Comment
  UCR51766  Crocidium multicaule L. C. Wheeler 1935-5-5 03463 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  UC163852  Cryptantha dissita Geo. D. Butler 1910-5-27 1416 Siskiyou near Yreka Comment
  CDA18396  Cryptantha flaccida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2770 Siskiyou Klamath Ranges; At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  CHSC91345  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-9 12022 Siskiyou Pasture field, 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
  JEPS107419  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-9 12022 Siskiyou Pasture field, 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
  SBBG30587  Cryptantha torreyana D. Myrick 1968-6-25 2017 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC34491  Cryptogramma acrostichoides J. D. Ackerman 1974-8-18 431 Siskiyou Ridge above mine near Cyclone Gap and Copper Mtn. in the Preston Peak area 1524 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  CAS-BOT-BC80565  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  RSA22762  Cupressus bakeri O. V. Matthews 1939-7-22 41 Siskiyou North side of Lava Road . About 3.3 miles from junction with county road for Day 1220 Comment
  NY643322  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mts. 518.2 Comment
  UCSB23221  Cuscuta cephalanthi Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  RSA292911  Cuscuta howelliana Reino Alava 1958-9-2 2392 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. Comment
  JEPS80596  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  UCD121386  Cycladenia humilis Robert E. Preston 1996-7-23 982 Siskiyou 0.1 mi w of Forest Route 49, near Jot Dean Ice Caves. Comment
  HSC19016  Cynoglossum occidentale J. O. Sawyer 1969-7-26 1583 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  SEINET10497518  Cynoglossum occidentale Mary Merello 1993-6-25 Merello 718 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CDA37842  Cynoglossum officinale Ashley Knight 2012-7-16 PDR# 470 P06027571 Siskiyou Slightly west of Slagger Camp, Shasta/Trinity National Forest. 0 Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 Siskiyou ca. 4 mi.(air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  RSA13860  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC114150  Cyperus squarrosus Carl B. Wolf 1927-8-26 1087 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC13515  Cypripedium montanum F. P. McLean June, 1875 Siskiyou ravine Wicks Ranch Comment
  CAS-BOT-BC70715  Cystopteris fragilis John Thomas Howell 1989-8-3 14975 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61200  Cystopteris fragilis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1483412  Cystopteris fragilis Maralyn A. Renner 1980-7-23 1841 Siskiyou near ridge about 1 mi e of Cook and Green Pass; Klamath Nat'l Forest, Seiad Valley Quadrangle, Pacific Crest 1752 Comment
  CAS-BOT-BC70709  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou Marble, off trail to lookout, Marble Mts. 1828 Comment
  CAS-BOT-BC192259  Danthonia californica Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area 2042 Comment
  HSC69133  Danthonia californica Maralyn A. Renner 1980-8-4 2231 Siskiyou Flint Valley 1390 Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. Comment
  UCD61070  Danthonia intermedia A. H. Murphy 1954-8-11 54 -K Siskiyou Half Moon Meadow. 1524 Comment
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  UC1037462  Darlingtonia californica Douglas Barbe 1955-7-9 160 Siskiyou soggy meadow 1/4 mi n Kangaroo Lake; Scott Mtns., Rail Creek 1828 Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  CAS-BOT-BC420659  Darmera peltata Alice Eastwood 1923-5-20 11860 Siskiyou Shasta Springs Comment
  UC455366  Darmera peltata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC61163  Dasiphora fruticosa Al Hobart 1967-8-8 Siskiyou El Capitan 1829 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  RSA105391  Delphinium decorum subsp. tracyi G. D. Barbe 1955-7-6 134 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA184772  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  RSA17659  Delphinium nudicaule Elmer I. Applegate 1935-6-10 9484 Siskiyou steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  CAS-BOT-BC116168  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11893 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  CAS-BOT-BC116175  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  UC618686  Delphinium nuttallianum W. Bridge Cooke 1938-7-1 11156 Siskiyou near Wagon Camp (lower end of the Wagon Camp meadow along stream and road side); Mt. Shasta Comment
  CAS-BOT-BC116172  Delphinium nuttallianum Clare Butterworth Hardham 1961-7-3 8070 Siskiyou Scott Mountains, South of Calahan. Comment
  CAS-BOT-BC118069  Delphinium nuttallianum H. E. Brown 1897-6-11 s.n. Siskiyou North side Mt. Shasta 2743 Comment
  CAS-BOT-BC118073  Delphinium nuttallianum William Bridge Cooke 1938-7-1 11156 Siskiyou Near Wagon Camp. Locally common at the lower end of the Wagon Camp meadow along the stream and roadside Comment
  RSA238281  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 b Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC201634  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Cr. 1097 Comment
  POM161565  Deschampsia elongata Geo D. Butler 1909-6-20 840 Siskiyou Damp land near Yreka Comment
  UCD63526  Deschampsia elongata Robert E. Preston 2002-7-14 1926 a Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1754 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  CAS-BOT-BC43134  Descurainia pinnata subsp. brachycarpa Elmer I. Applegate 1935-6-5 9313 Siskiyou Modoc Stronghold, Lava Beds National Monument. Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  CAS-BOT-BC388466  Dianthus deltoides Duncan Dunning 1921-7-16 s.n. Siskiyou Toad Lake, southeast of Toad Mountain, northwest of Hambone, southeastern Siskiyou County Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  UC164157  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  POM109918  Dichelostemma capitatum subsp. capitatum Geo D. Butler 1910-4-17 1192 Siskiyou Near Yreka. Comment
  HSC30435  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Marble Mtns. Wilderness Area, just above Willow Springs on trail between Abbott's Upper Cabin and English Lake 1692 Comment
  SEINET3885606  Dichelostemma multiflorum Alv Dan Youngberg 1964-6-15 25 Siskiyou Growing on the forest floor along Elk Creek. Humbolt Meridian.; 0 427 Comment
  HSC5958  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 452 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CHSC69473  Dieteria canescens var. shastensis James D. Jokerst 1992-7-30 3421 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC444348  Dieteria canescens var. shastensis E. L. Greene 1876-1 Siskiyou Shasta River Comment
  CAS-BOT-BC153451  Diplacus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  SEINET208779  Diplacus layneae Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2116 Siskiyou 5 mi N of Mt Shasta at Black Butte on old highway 1195 Comment
  CAS-BOT-BC153723  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC153734  Diplacus nanus A. M. Vollmer; L. Beane 1951-5-31 14 Siskiyou Near highway, Scott Mountain Comment
  CHSC91248  Distichlis spicata Lowell Ahart; John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  RSA436124  Downingia pulchella L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  CAS-BOT-BC41766  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Ridge east of Hogan Lake. 2255 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
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  CDA16143  Draba verna G. F. Hrusa 1999-4-2 14933 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC61197  Draperia systyla W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  UC1023735  Drosera rotundifolia W. Bridge Cooke 1941-8-8 16164 Siskiyou Wagon Camp swamp Mount Shasta 1737 Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  CAS-BOT-BC159683  Drymocallis glandulosa John Thomas Howell 1939-8-10 15264 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC59615  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-6-16 4062 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UC454988  Drymocallis glandulosa I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC159439  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  UC1540016  Drymocallis lactea var. austiniae Roseberry 1936-5-15 32 Siskiyou 1/4 mi n Blue Eyes Point (Lava Beds National Monument); , n of Blue Eyes Point 1325 Comment
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Jun 18 2011
  UC903240  Drymocallis lactea var. austiniae Mrs. H. P. Bracelin 1931-6-21 462 Siskiyou above Dobkins Lake (n side Mount Eddy); n side Mount Eddy above Dobkins Lake 2042 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  HSC42935  Dysphania botrys Ken Stillman 1976-8-24 435 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC197269  Echinochloa muricata var. microstachya Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse creeks 609 Comment
  CAS-BOT-BC113721  Eleocharis acicularis Carl B. Wolf 1927-8-26 989 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  CAS-BOT-BC112694  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  CAS-BOT-BC112697  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  POM359907  Elymus X hansenii M. B. Dunkle 1945-7-11 9234 Siskiyou Klamath National Forest; Marble Mts. 1829 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  SEINET9359604  Elymus elymoides Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC67772  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3799 Siskiyou E side of Grouse Hill 2134 Comment
  UC1265399  Elymus glaucus F. W. Oettinger 1968-9-1 638 Siskiyou Abbot's Lake Salmon Mountains (se side, w Siskiyou Co.) 1722 Comment
  UCR142757  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mts., east end White Mt. 1768 Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC235223  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC42942  Elymus repens J. O. Sawyer, K. T. Stillman 1976-7-1 2769 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCD62652  Elymus trachycaulus Beecher Crampton 1956-8-21 3824 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  CHSC61573  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 597 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of meadow. 1524 Comment
  HSC18099  Enemion stipitatum D. H. Norris 1969-3-2 2273 Siskiyou 2 mi. E of Seiad Valley Comment
  SEINET6635547 Image available Epilobium angustifolium subsp. circumvagum A. A. Heller 1916-1 12434 Siskiyou near Black Butte N of Sisson 1128 Comment
  HSC29172  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1791 Comment
  POM89974  Epilobium brachycarpum L. R. Abrams 1922-8-7 9914 Siskiyou Weed. Comment
  SDSU8793  Epilobium brachycarpum D. F. Howe 1964-8-5 3940 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC1408912  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  UC20069  Epilobium hornemannii subsp. hornemannii Brewer 1417 Siskiyou Mt. Shasta Comment
  POM222043  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-7-26 13739 Siskiyou Near the sources of the springs which feed the creeks in Panther Creek Meadows; Mount Shasta 2439 Comment
  HSC61776  Epilobium luteum Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA139178  Epilobium luteum R. C. Bacigalupi, Constance, Heckard 1960-7-20 7450 Siskiyou Poker Flat, headwaters of the West Branck of Indian Creek; Siskiyou Mountains, close to Del Norte Co. line 1555 Comment
  HSC92071  Epilobium siskiyouense Jennifer Whipple 1976-6-15 1487 Siskiyou S face of Mount Eddy, draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC56953  Equisetum arvense Barbe 1957-7-13 373 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  UCSC004623  Eragrostis Randall Morgan 2004-5-31 4176 Siskiyou Castle Crags State Park, shore of Sacramento River Comment
  CAS-BOT-BC204510  Eragrostis cilianensis Dorothy Parker 1948-8-24 86 Siskiyou Along the road in Plowman's Valley 1188 Comment
  HSC102713  Eragrostis pectinacea var. pectinacea J. P. Smith 2013-6-18 13746 Siskiyou Camp Creek Recreation Area. 723 Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CHSC99721  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-24 9469 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. 1975 Comment
  RSA0119474  Eriastrum densifolium subsp. austromontanum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  CHSC30403  Ericameria bloomeri A. W. Ratcliff 1979-8-2 Siskiyou Shasta-Trinity National Forest. Bear Springs. 1536 Comment
  UC618705  Ericameria bloomeri unknown 1938-9-17 11687 Siskiyou on the slopes around Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC286697  Ericameria bloomeri Walter Knight; Irja Knight 1979-9-9 3433 Siskiyou On Evertt Memorial Highway. Mt. Shasta Comment
  RSA90623  Ericameria bloomeri F. W. Peirson 1923-7-19 3890 Siskiyou Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC287487  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou Pass just S of Mt Eddy 2438 Comment
  CAS-BOT-BC287497  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC26990  Ericameria greenei J. P. Smith, J. O. Sawyer 1971-9-16 4767 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  CAS-BOT-BC299466  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  HSC46938  Ericameria nauseosa var. speciosa William J. Ferlatte 1976-9-22 1853 Siskiyou Grouse Ridge along Yellow Rose Mine Trail 1860 Comment
  HSC92691  Ericameria nauseosa var. speciosa Jennifer Whipple 1978-10-6 2413 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  UC221410  Ericameria parryi var. latior Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 110 Siskiyou Mt. Shasta Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  HSC5546  Erigeron aliceae Ruby Van Deventer 1939-7-18 43 Siskiyou Poker Flat, south of Little Greyback Mtn 1524 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS84326  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6478 Siskiyou ca 5 mi n of the town Seiad Valley (above and w of Lily Pad Lake) Comment
  UC160448  Erigeron bloomeri var. nudatus I. J. Condit 1911-7-28 Siskiyou summit of ridge from Castle Lake to Mt. Bradley Comment
  HSC23629  Erigeron cervinus J. O. Sawyer 1969-8-4 1839 Siskiyou Above Sugar Lake 2134 Comment
  HSC29206  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; on 'Shasta Ridge, SE of Diamond Lake 2073 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
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  UC163907  Erigeron cervinus Geo. D. Butler 1910-6-5 1515 Siskiyou Shackleford Creek Comment
  HSC33321  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou South fork of Salmon River west of Big Flat. In cracks 400yd upstream from falls 1433 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC19465  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-18 1980 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19478  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-3 1781 Siskiyou Near Little Duck Lake 2073 Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  HSC59901  Erigeron glacialis var. glacialis D. L. Goforth 1979-7-19 261 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, at Upper Lake 2134 Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC60966  Erigeron inornatus var. inornatus Geo. B. Grant 1902-9-3 5173 Siskiyou Mount Shasta, Sisson Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  CAS-BOT-BC300087  Erigeron philadelphicus A. Eastwood 1921-7-30 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC300094  Erigeron philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest 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
  RSA50220  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on road to Sawyer's Bar 915 Comment
  JEPS57185  Erigeron tener L. R. Heckard 1967-8-13 1689 Siskiyou near summit of Mt. Eddy 2712 Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 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
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  NY323263  Eriogonum diclinum L. C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains; Mt. Diablo Mer.; Jaynes Canyon 1950.7 Comment
  RSA279588  Eriogonum diclinum James L. Reveal 1975-8-15 3956 Siskiyou Sisikiyou Mountains; Klamathe Nat'l Forest; along the Dry Lake Lookout Road ( FSR 40S01) 0.5 mile west of Dry Lake Lookout near the Buckhorn Trail. 2043 Comment
  CAS-BOT-BC255703  Eriogonum douglasii var. meridionale Gilbert J. Muth 1969-8-7 1267 Siskiyou Boulder Peak Ridge 2468 Comment
  POM165179  Eriogonum elatum var. elatum E. B. Copeland 1903-7-8 3525 Siskiyou Klamathon Comment
  UC164079  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; near Yreka, Siskiyou Co. Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  UC77583  Eriogonum hirtiflorum T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC419707  Eriogonum marifolium Twyla Miller 2012-8-6 s.n. Siskiyou Mt. Shasta; adjacent to Everitt Memorial Highway near Panther Meadow Campground. Comment
  RSA142625  Eriogonum marifolium P. A. Munz 1960-8-22 24181 Siskiyou Panther Meadows, Mt. Shasta 2409 Comment
  RSA756711  Eriogonum marifolium Barbara J. Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge. 2317 Comment
  RSA766346  Eriogonum marifolium W. Bridge Cooke 1941-9-10 16290 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2439 Comment
  UC849521  Eriogonum marifolium John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UCD100402  Eriogonum marifolium R. Tofsrud; J. M. Tucker 1948-8-2 1761 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 Comment
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC24687  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-9 1203 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  RSA495516  Eriogonum nudum var. nudum Elaine Joyal, D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC17337  Eriogonum ovalifolium var. ovalifolium R. C. Wunner 1965-7-9 373 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UCD100865  Eriogonum pyrolifolium Dean Wm. Taylor 1975-8-14 5452 Siskiyou between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC252965  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1921-7-29 10960 Siskiyou Little Mt. Hoffmann Comment
  RSA142605  Eriogonum pyrolifolium var. pyrolifolium P. A. Munz 1960-8-22 24195 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC267709  Eriogonum roseum Carl B. Wolf 1927-8-26 1082 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC268575  Eriogonum siskiyouense Peter H. Raven 1956-9-4 10389 Siskiyou Pass just south of Mt. Eddy 2438 Comment
  JEPS105024  Eriogonum siskiyouense Dean W. Taylor 1996-7-25 15835 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
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  UCD101262  Eriogonum spergulinum var. reddingianum J. M. Tucker 1950-7-24 1955 Siskiyou at Ash Creek crossing on the Military Road, east side of Mt. Shasta. Comment
  CAS-BOT-BC269971  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1975-9-3 50491 Siskiyou Ash Creek at Military Pass Road, East side of Mt. Shasta Comment
  RSA93057  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1954-7-10 12967 Siskiyou near County Rd., 6.1 mi. above Whitlock Campcutover comdereous forest. 1829 Comment
  RSA423132  Eriogonum sphaerocephalum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CAS-BOT-BC262753  Eriogonum strictum var. anserinum Elmer I. Applegate 1932-6-8 9441 Siskiyou Bear-paw [Bearpaw] Cave, Lava Beds National Monument Comment
  UC164080  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Yreka Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. 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
  HSC66393  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 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
  JEPS82245  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  UC77425  Eriogonum umbellatum var. humistratum H. E. Brown Jun 15 1897-Jun 30 1897 Siskiyou n side Mt. Shasta Mt. Shasta 1524 Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  UC1539986  Eriogonum umbellatum var. modocense Roseberry 1936-5-15 31 Siskiyou 1/4 mi n Blue Eyes Point; Lava Beds National Monument 1325 Comment
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Jun 18 2011
  UCSB63911  Eriogonum umbellatum var. nevadense Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Southeast of Medicine Lake at Paynes Springs: T43N R4E NW1/4 Sect. 19; on the rim of Paynes Creek Canyon north of the campground 1981 Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC435530  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath Naitonal Forest 1725 Comment
  UC1413437  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3797 Siskiyou about 12 mi sw Gazelle (along the Callahan-Gazelle road, about 16 mi ne of Callahan) 1219 Comment
  HSC45903  Eriophyllum lanatum Laura Witherspoon 1978-8-18 98 Siskiyou Klamath National Forest; Ball Mtn. Lookout Comment
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Oct 17 2014
  SEINET10672044  Eriophyllum lanatum Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 684 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposed lava, sandy on slight S-E facing slope. 1250 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  CAS-BOT-BC301122  Eriophyllum lanatum var. achilleoides Alice Eastwood 1912-8-30 1966 Siskiyou Mount Eddy Comment
  UC1034579  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-7-26 264 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
  UC727119  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou near the w base of Deer Mountain (on U. S. Highway #97, 16 mi ne of Weed); U. S. Highway #97 Comment
  CAS-BOT-BC308284  Eriophyllum lanatum var. integrifolium M. B. Dunkle 1945-7-19 9218 Siskiyou Marble Valley summit, Klamath Forest 2194 Comment
  JEPS95652  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and L. Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  RSA215650  Eriophyllum lanatum var. integrifolium Gilbert Muth 1969-8-6 1189 Siskiyou Boulder Park. 2530 Comment
  RSA47995  Eriophyllum lanatum var. integrifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1418 Comment
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Mar 28 2012
  JEPS80585  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou trail to Marble Mountain Lookout; Marble Mt. Wilderness Area 1792 Comment
  UC1559632  Eryngium mathiasiae Beth Corbin 1989-7-10 515 Siskiyou 1 mi. s.e. Adobe Flat (ca. 14 air miles n. of Fall River Mills); Lassen Nat'l Forest 1097 Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  HSC69017  Erysimum perenne Maralyn A. Renner 1980-7-24 2020 Siskiyou Lily Pad Lake 1768 Comment
  UC1037378  Erysimum perenne Douglas Barbe 1955-7-6 116 Siskiyou along ne shore Taylor Lake; Klamath Mountains, Salmon Mountains 1950 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  CDA39343  Erythronium oregonum subsp. leucandrum D. Osterhandt & D. H. Shaw 1979-5-3 s.n. Siskiyou Near Sawyers Bar 0 Comment
  JEPS61874  Erythronium revolutum J. W. Kisling March 1910 Siskiyou Edgewood Comment
  CAS-BOT-BC403675  Eschscholzia californica Doris K. Kildale 1929-5-26 9197 Siskiyou Salmon River at Hawkins Bar 609 Comment
  HSC68361  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4053 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC403672  Eschscholzia californica L. E. Smith 1914-6-9 715 Siskiyou Yreka Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  RSA144848  Eschscholzia californica subsp. californica W. R. Ernst 1958-8-11 301 Siskiyou Town of Mt. Shasta, between Highway 99 and railroad station Comment
  UC1557892  Eucephalus glabratus J. Semple, S. Heard 1986-8-16 8492 Siskiyou sW of Etna (Etna Summit on Forest HWY 93) Comment
  CAS-BOT-BC94805  Eucephalus ledophyllus var. ledophyllus R. C. Wenk 2006-9-2 550 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC72193  Euthamia occidentalis J. P. Smith 1976-9-5 8985 Siskiyou In Scott Valley 671 Comment
  HSC101711  Festuca arundinacea J. P. Smith, J. O. Sawyer 2011-6-25 13260 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CHSC118611  Festuca arundinacea Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016014 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  HSC49215  Festuca californica J. O. Sawyer, K. T. Stillman Jul 1977 2795 Siskiyou E of the Little N Fork Trail 732 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CHSC105879  Festuca occidentalis Julie Kierstead Nelson 2008-7-12 2008 -003 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  HSC24695  Festuca occidentalis J. O. Sawyer 1969-6-12 912 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  UC1265440  Festuca rubra F. W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin, w Siskiyou County Salmon Mountains 2011 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  HSC100316  Frangula californica subsp. californica J. P. Smith, J. O. Sawyer 2011-7-21 13027 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 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
  UC166185  Fraxinus latifolia Geo. D. Butler Jul 15 1908-Jan 1 1909 1076 Siskiyou near Yreka Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  JEPS6707  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou roadside Oro Fino Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA264981  Galium glabrescens Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  POM253613  Galium glabrescens subsp. glabrescens C. Leo Hitchcock, J. S. Martin 1939-7-6 5228 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  RSA78828  Galium glabrescens subsp. glabrescens Philip A. Munz 1952-7-2 17906 Siskiyou Ridge W of Baldy Mtn. About 6 air miles W of Happy Camp. 1738 Comment
  JEPS88934  Galium oreganum Joseph P. Tracy 1951-6-16 19504 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of Siskiyous); Siskiyous Comment
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  JEPS6534  Galium triflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou woods near Sisson; Region of the Upper Sacramento Comment
  RSA105415  Galium triflorum G. D. Barbe 1955-6-29 36 Siskiyou 1.8 miles E of Callahan. S bank of Scott River. 976 Comment
  JEPS25702  Galium triflorum P. C. Hutchison 1961-5-22 2035 Siskiyou on hwy US 299 3.7 mi s Clear Creek (south of Happy Camp) (w side of river at Browns Creek); Klamath River Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC182268  Garrya fremontii Elmer I. Applegate 1898-5-15 2138 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC182275  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  RSA604467  Gaultheria shallon L. C. Wheeler 1959-7-25 7595 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  HSC78203  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-7-3 367 Siskiyou Ridgetop NW of Poker Flat (the Siskiyou Crest) 1524 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UC873666  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  POM204499  Gayophytum humile Louis C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  JEPS80608  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1975 Comment
  UC165763  Gentiana calycosa Geo. D. Butler 1908-8-9 418 Siskiyou along trail West Fork of Wooly Creek Comment
  UC1584287  Gentianella amarella subsp. acuta J. Kierstead, R. Bittman, and M. Myers 1989-8-11 89 -69 Siskiyou Gumboot Creek crossing Shasta-Trinity National Forest, Mt. Shasta Ranger District (s side of FS Rd 26) 1767 Comment
  UC1608326  Gentianella amarella subsp. acuta J. Kierstead 1990-8-9 90 130 B Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyond end of FS Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CAS-BOT-BC459622  Geum macrophyllum L. E. Smith 1913-6-12 396 Siskiyou Road from Sissson to Castle Lake Comment
  JEPS44854  Geum triflorum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Mountain Comment
  RSA86642  Geum triflorum E. E. Stanford 1930-8-14 2087 Siskiyou Below summit of Sonora Pass. 2896 Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS69513  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou trail above Marble Valley (western Siskiyou Co.); trail above Marble Valley 1828 Comment
  UC1409306  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  NY214735  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  CDA28233  Glyceria elata T. C. Fuller 1975-10-23 20114 Siskiyou North side of Klamath River Hwy, Hwy 96, 1 mile west of Happy Camp. 0 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  CAS-BOT-BC282848  Glyceria striata Geo. D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek 1219 Comment
  HSC31080  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1234 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  RSA602581  Glyceria striata L. C. Wheeler 1935-7-26 3717 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1045212  Glycyrrhiza lepidota W. Bridge Cooke 1940-6-20 15162 Siskiyou Klamath River Gorge; along Pacific Hwy 609 Comment
  JEPS34010  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14747 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  UC246741  Gnaphalium palustre H. E. Brown Jul 15 1897-Jul 31 1897 531 Siskiyou s side Mt. Shasta 1524 Comment
  HSC29161  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Marble Mtn. Widerness Area, Dry Lake 2027 Comment
  JEPS64394  Goodyera oblongifolia Willis L. Jepson 1894-8-9 21282 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  CDA6251  Gratiola ebracteata T. C. Fuller 1960-6-3 4613 Siskiyou Shore of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  CAS-BOT-BC388471  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  RSA238562  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards SE of Tom Taylor Cabin. 2027 Comment
  HSC37566  Hackelia californica A. M. Montalvo, Ackerman 1975-7-19 588 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  UCD18306  Hackelia californica Joe Ditomaso 2001-6-12 s.n. Siskiyou Buck Mtn., near McCloud, off Pilgrim Creek Rd. 1828 Comment
  UC1540011  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of the road to Devil's Gate; Lava Beds National Monument 1310 Comment
  POM258915  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou On Takilma-Happy camp road. 1677 Comment
  UC1186470  Hackelia setosa John Weiler, A. P. Nelson 1960-6-26 60222 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  UC1222246  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou near Oregon-California State Line (on the Takilma-Happy Camp Road); Takilma-Happy Camp Road Comment
  UC3685  Hastingsia alba Brewer Sept. 1862 1421 Siskiyou Mount Shasta 2438 Comment
  RSA114964  Hastingsia alba E. K. Balls, Lee W. Lenz 1956-6-18 21720 Siskiyou 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir 884 Comment
  HSC26895  Hazardia whitneyi var. discoidea J. P. Smith 1971-9-17 4786 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC61972  Hazardia whitneyi var. discoidea Al Hobart 6 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  JEPS84317  Hazardia whitneyi var. discoidea L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6327 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte) 1850 Comment
  CDA6450  Helenium autumnale T. C. Fuller 1958-9-11 1218 -58 Siskiyou 5 miles south of Fort Jones, Scott Valley. 0 Comment
  CAS-BOT-BC305316  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS74412  Helianthus annuus W. B. and V. G. Cooke 1974-8-20 49243 Siskiyou Everett Memorial Highway Mt. Shasta Comment
  RSA298340  Helianthus annuus subsp. lenticularis J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  UCD119422  Heliotropium curassavicum var. oculatum Verne Grant; Irving Schneider 1947-8-26 8303 Siskiyou By Interstate Highway, Lower Klamath Lake. Comment
  POM210916  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  RSA507769  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou SE of Etna. On road to Gazelle, just NE of CA 3, 9.8 km S or road to Kangaroo Lake. Comment
  HSC266  Heuchera merriamii William J. Ferlatte 1967-8-21 1067 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2287 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC858017  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  HSC61970  Heuchera merriamii Al Hobart 16 Jul [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  UC897799  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou n side Mt. Eddy 2133 Comment
  HSC60907  Hieracium albiflorum Al Hobart Siskiyou Black Butte Comment
  SD88379  Hieracium albiflorum Darley F. Howe 1972-7-6 Siskiyou 4.4 miles south of Oregon State line on road to Happy Camp. Comment
  RSA237530  Hieracium gracile Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  CAS-BOT-BC318542  Hieracium greenei A. A. Heller 1925-7-29 13909 Siskiyou Along the Pacific highway near Black Butte, north of teh town of Mt. Shasta Comment
  UC618677  Hieracium horridum W. Bridge Cooke 1938-8-18 11492 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC312999  Hieracium triste G. J. Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC320104  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  HSC22178  Hieracium triste J. O. Sawyer 1969-8-3 1726 Siskiyou W of Little Duck Lake 2195 Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  HSC45194  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-21 2989 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC18679  Holodiscus microphyllus var. glabrescens R. C. Wunner 1965-6-22 272 Siskiyou Lava Beds National Monument, Devils Homestead Lava Flow where road crosses 1296 Comment
  UCD85470  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  RSA216102  Hordeum depressum Javier Penalosa 1967-3-26 2992 Siskiyou Vernal Pools Natural Area in Valley Grassland 4.5 miles ENE of Pixley 84 Comment
  UC1100318  Hordeum jubatum Verne Grant and Irving Schneider 1947-8-26 8302 Siskiyou lower Klamath Lake; lower Klamath Lake Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC585215  Horkelia daucifolia E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1942 Siskiyou ca 8 mi s Yreka 822 Comment
  RSA120910  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  JEPS77496  Horkelia fusca subsp. parviflora Susan Horner 1978-6-30 397 Siskiyou About 4 mi s-se Hambone (on road between 40N05 and Sand Flat Well) 1280 Comment
  UC574869  Horkelia fusca subsp. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  POM250749  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-1 11135 Siskiyou Mt. Shasta. 1677 Comment
  CAS-BOT-BC539428  Horkelia tridentata var. tridentata W. B. Cooke; V. G. Cooke 1972-6-7 45457 Siskiyou Along Mud Creek Dam Road, Mt. Shasta Comment
  JEPS107486  Hornungia procumbens Lowell Ahart, John Dittes 2005-6-9 12044 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS25569  Hulsea nana Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7194 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (sw slopes of mountain); Mt. Shasta 2834 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  JEPS8481  Hydrophyllum fendleri var. albifrons Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 Siskiyou near summit of Takilma-Happy Camp Road over Siskiyou Mountains (at Poker Flat); Poker Flat, Takilma-Happy Camp Road 1630 Comment
  HSC627  Hydrophyllum occidentale William J. Ferlatte 1966-7-7 215 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC93039  Hydrophyllum occidentale Jennifer Whipple 1976-6-12 985 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  HSC77091  Hypericum anagalloides K. T. Stillman 1976-7-30 334 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC400989  Hypericum anagalloides Wm. Bridge Cooke 1938-9-8 11654 Siskiyou Mount Shasta. Squaw Creek Heather Meadows Comment
  RSA211235  Hypericum androsaemum William J. Ferlatte 1966-6-23 142 Siskiyou Between campground and S. Fork of the Salmon River. 1524 Comment
  UC164399  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou <Goosenest> foothills 1219 Comment
  CHSC740  Hypericum perforatum V. Holt 1936-7-2 Siskiyou Mt. Eddy. 1219 Comment
  RSA239013  Hypericum perforatum Frederick W. Oettinger 1966-7-30 s.n. Siskiyou Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  CAS-BOT-BC88622  Idahoa scapigera George Dexter Butler 1909-2-1 571 Siskiyou Near Yreka. Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  CAS-BOT-BC206835  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou Ten miles northeast of Weed along U.S. Highway #97 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
  UC164139  Ipomopsis aggregata Geo. D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek 1219 Comment
  UCD35444  Ipomopsis aggregata Beecher Crampton 1956-8-22 3863 Siskiyou South slope of Mt. Shasta, Wagon Camp Road. 1828 Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  RSA469553  Ipomopsis aggregata subsp. formosissima L. C. Wheeler 1934-7-3 2857 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  RSA699547  Iris missouriensis Jenny Marr 1993-07 139 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  SD98938  Isatis tinctoria Darley F. Howe 1977-7-2 4983 Siskiyou 7.0 miles west of Fort Jones. 669 Comment
  HSC103153  Isoetes echinospora Dana York 2014-10-11 3225 Siskiyou Klamath National Forest, Marble Mountain Wilderness, Chinquapin Lake above Deep Lake. 2180 Comment
  JEPS83820  Isoetes echinospora Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass (in Lily Pad Lake); Siskiyou Mts., Lily Pad Lake 1828 Comment
  UC1094398  Isoetes howellii R. C. Bacigalupi with S. Galen Smith 1957-6-27 5971 Siskiyou 2 mi. s. Weed (along Hwy. 99) 1036 Comment
  UCR113020  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  HSC77133  Juncus effusus subsp. pacificus L. P. Janeway 1983-9-23 694 Siskiyou Along edge of FS Rd. 18N33, 6 mi. from the Grayback Rd. 1433 Comment
  RSA238916  Juncus ensifolius Frederick W. Oettinger 1968-9-7 749 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC36556  Juncus exiguus J. O. Sawyer 1969-6-12 914 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC110803  Juncus mertensianus Harry R. Saxton; Roy H. Canfield 1922-7-11 3 Siskiyou Klamath Forest. Mud Springs. 1676 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. Comment
  POM170542  Juncus mertensianus M. S. Baker 1899-8-1 s.n. Siskiyou East base of Mt. Shasta. Comment
  RSA238907  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1241 Siskiyou NNW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM215866  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  RSA739865  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  CAS-BOT-BC81140  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  NY21384  Juniperus communis W. B. Cooke 1939-7-26 13743 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
  SDSU1858  Juniperus communis var. saxatilis D. F. Howe 1962-8-6 3413 Siskiyou 2438 Comment
  RSA758202  Juniperus occidentalis Doug Goldman 2004-12-26 3015 Siskiyou Shasta Valley, along the south side of Route A12, just north of a small hill of volcanic rock and about 2.6 miles east of the intersection with Interstate 5. 236 Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line 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
  POM120195  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1108 Siskiyou Klamath hills Comment
  CAS-BOT-BC56355  Kalmia microphylla subsp. microphylla Donald Myrick 1961-6-21 308 Siskiyou on Deer Camp Road above Oak Knoll Range Station on Klamath River 19 miles west of Highway 99 1981 Comment
  HSC31492  Kalmia polifolia Steve Selva, Roger Jensen 1974-8-25 48 Siskiyou W end of Little Duck Lake Comment
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  HSC69360  Kalmia polifolia Maralyn A. Renner 1980-8-19 2488 Siskiyou S side of Caribou Lake 2104 Comment
  CAS-BOT-BC246174  Keckiella lemmonii Alice Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  RSA12591  Kelloggia galioides Carl B. Wolf 1934-7-6 5995 Siskiyou 4 miles from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC499661  Kopsiopsis strobilacea Marion Ownbey; Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA0076567  Kopsiopsis strobilacea Marion Ownbey, F. G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. 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
  JEPS39005  Lagophylla ramosissima Geo. D. Butler 1908-7-22 296 Siskiyou near Yreka; Butler's Ranch Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  POM208430  Lagophylla ramosissima L. C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  UC585091  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1983 Siskiyou about 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  SEINET5327317  Lathyrus nevadensis G. Butler 1910-6-19 1588 Siskiyou Gonewest foothills 1524 Comment
  UC1951315  Ledum glandulosum Robert F. Thorne and Fred Oettinger 1969-8-4 63376 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  JEPS93928  Lepidium campestre Vernon H. Oswald and Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Road 11.5 mi w of Gazelle; Gazelle-Callahan Road 1524 Comment
  RSA45316  Lepidium campestre Dorothy Parker 1946-05 s.n. Siskiyou Plowman s Valley. 1128 Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  CHSC4167  Lepidium perfoliatum R. Carter 1966-5-15 398 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  HSC41630  Lepidium perfoliatum Barbara Kelly 1977-5-21 432 Siskiyou Parking lot at Callahan, next to grocery store Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  UC1332117  Leptodactylon pungens Alice Eastwood and John Thomas Howell 1940-6-14 8261 Siskiyou near Indian Well (Lava Beds Nat<ional> Mon<ument> <Lava Beds National Monument>); Lava Beds Nat<ional> Mon<ument>, near Indian Well Comment
  RSA48218  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-12 11758 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS96946  Lesquerella occidentalis subsp. occidentalis Dean W. Taylor 1997-6-11 16047 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  CAS-BOT-BC341892  Lessingia nemaclada Lowell Ahart 1983-9-13 4412 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  HSC95468  Lessingia nemaclada G. Fred Hrusa 1997-9-18 14103 Siskiyou At intersection of Hwy. 3 and Callahan/ Gazelle Rd. 1000 Comment
  CAS-BOT-BC341895  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dusmuir 640 Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  POM361831  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  HSC46841  Leucanthemum vulgare William J. Ferlatte 1974-7-14 1532 Siskiyou Big Flat near South Fork of Salmon River, W of Campground. 1509 Comment
  CHSC96439  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 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
  HSC96499  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS17290  Lewisia columbiana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  JEPS127644  Lewisia cotyledon var. cotyledon Jurriaan M. de Vos 2014-7-10 312 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, E from Cook and Green pass (Forest Road 1055). Comment
  UC163730  Lewisia cotyledon var. cotyledon Geo. D. Butler 1908-8-7 1 Siskiyou divide between <Woo?>lly and Independence Creek Comment
  RSA211271  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin. 1982 Comment
  SEINET4176732 Image available Lewisia leeana Sally Walker 1982-7-17 Siskiyou Alex hole Klamath National Forest 2134 Comment
  CAS-BOT-BC272170  Leymus triticoides L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  POM112698  Leymus triticoides Geo D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  HSC410  Ligusticum californicum William J. Ferlatte 1967-8-23 1098 Siskiyou Head of Kidd Creek 2256 Comment
  HSC81751  Ligusticum californicum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6188 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC76876  Ligusticum californicum K. T. Stillman 1976-9-9 465 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  RSA453853  Ligusticum grayi M. B. Dunkle 1945-7-8 9202 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC22274  Lilium kelleyanum J. O. Sawyer 1969-7-26 1580 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  CAS-BOT-BC509386  Lilium kelleyanum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house. 1341 Comment
  JEPS61997  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  UC1034603  Lilium pardalinum Douglas Barbe 1955-6-29 47 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  SEINET8377150  Lilium pardalinum L. Beane Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99. Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  JEPS62024  Lilium rubescens H. P. Chandler 1725 Siskiyou Shackleford Canyon Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  JEPS25586  Linanthus harknessii Rimo Bacigalupi 1959-7-2 7218 Siskiyou near n base of Caribou Mtn. (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground, headwaters); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  CAS-BOT-BC509126  Linanthus pungens Dana York 2011-8-13 3066 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC61926  Listera caurina Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  UCD77828  Listera convallarioides Robert E. Preston 2001-6-30 1636 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  RSA240069  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou At the Cedars, along the main North Fork Trail between Yellow Dog Creek and Abbotts Lower Cabin. The Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 960 Comment
  CAS-BOT-BC36010  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36534  Lithocarpus densiflorus var. echinoides Marion Ownbey; Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud Comment
  CAS-BOT-BC36546  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-1 1090 Siskiyou Shasta Springs Comment
  UC705919  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi nw McCloud Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  CHSC27759  Lithophragma glabrum William Frank 1978-4-1 3 Siskiyou Scattered throughout foothills facing s Lake Shastina via public fishing access road ca. 3 miles to end. Comment
  UC1733971  Lithophragma glabrum Kay H. Beach, Frank Gould 1940-5-15 629 Siskiyou Bull Meadows Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  POM133077  Lomatium dissectum var. dissectum Geo. D. Butler 1909-5-8 746 Siskiyou Yreka Hills. Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  UC909516  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou margins Carmen Lake (ca. 1.5 mi. e.of Scott Mt. rd.) 1737 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  RSA78821  Lomatium macrocarpum P. A. Munz 1952-7-2 17899 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  SD98968  Lomatium marginatum Darley F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada 1220 Comment
  HSC68485  Lomatium nudicaule Maralyn A. Renner 1980-6-22 881 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC165257  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou hills near Yreka Comment
  CDA38336  Lomatium nudicaule G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2786 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  RSA48583  Lomatium nudicaule P. A. Munz 1949-5-18 13305 Siskiyou South of Callahan on road to Trinity Center 1524 Comment
  OBI8857  Lomatium peckianum Lincoln Constance, Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi S of Yreka 792 Comment
  UC673275  Lomatium peckianum Lincoln Constance and Reed C. Rollins 1942-5-14 2918 Siskiyou 1 mi. e. Yreka; Klamath-Siskiyou Region 762 Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA68930  Lonicera conjugialis A. E. Culbertson 1943-7-12 28 Siskiyou Castle Lake, 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. 1657 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CAS-BOT-BC240841  Lonicera interrupta Carl B. Wolf 1927-8-26 1029 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1299179  Lotus nevadensis var. nevadensis Freed W. Hoffman 1950-7-14 3628 Siskiyou Baldy Mountain, w Siskiyou County North Coast Ranges Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  UC80949  Lotus nevadensis var. nevadensis Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  JEPS91408  Lotus oblongifolius var. oblongifolius Dean W. Taylor 1972-7-3 1582 Siskiyou Cook and Green Pass 1371 Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  UC1408890  Lotus purshianus var. purshianus F. W. Oettinger and R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  CAS-BOT-BC140203  Luetkea pectinata John Thomas Howell 1937-7-24 13397 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC140206  Luetkea pectinata Wm. Bridge Cooke 1938-9-8 11635 Siskiyou Springs in The South Gate; in the South Gate and around the upper portion of the Squaw Creek Meadows Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  POM88097  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou Marker Mtn. 2134 Comment
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Nov 25 2011
  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
  RSA119495  Lupinus C. P. Smith 1947-5-13 47271 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  SEINET10931722  Lupinus albicaulis subsp. shastensis Charles Piper Smith 1947-5-13 Smith 47277 Siskiyou 2.2 miles e of weed Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA0003354  Lupinus albifrons Geo D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  RSA582455  Lupinus albifrons var. flumineus Louis C. Wheeler 1935-6-13 3581 Siskiyou N side Scot River, Scott Bar Mts. 823 Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  HSC32250  Lupinus breweri J. O. Sawyer 1970-6-17 2209 Siskiyou On trail to South Sugar Lake 1829 Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  NY15837  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  RSA790240  Lupinus croceus Rebecca Wenk 2005-7-15 229 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, near mines. 2104 Comment
  SEINET7040263 Image available Lupinus densiflorus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  SEINET10838197  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 A Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  HSC77004  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-6-25 85 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UCD109311  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou a short distance below Horse Camp, Mt. Shasta; near the upper limit of the Canadian zone. Comment
  UCD109316  Lupinus obtusilobus E. Whitney 1934-6-17 s.n. Siskiyou Mt. Shasta. 2133 Comment
  POM24888  Lupinus polyphyllus subsp. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  RSA414231  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-7-24 9247 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley Comment
  HSC41640  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-6-30 1205 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  SEINET10485918  Lupinus sellulus var. lobbii H. Dearing, M. Dearing 1938-6-28 Dearing 2180 Siskiyou Flower bluish. Location mccloud. Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  HSC42909  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-28 2722 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  POM215861  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  RSA0060498  Luzula macrantha Peter F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley. 730 Comment
  HSC22203  Luzula parviflora J. O. Sawyer 1968-7-2 380 Siskiyou Upper drainage of Joe Creek 1677 Comment
  JEPS96983  Luzula parviflora Dean W. Taylor 1999-8-12 17304 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  RSA0015987  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek. Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
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Aug 14 2017
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  UC1212558  Madia elegans Francia Chisaki, Helen K. Sharsmith 1959-8-20 4737 Siskiyou ca. 4 mi w of Callahan; Wildcat Creek road Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  OBI58649  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  RSA15597  Mahonia aquifolium C. B. Wolf 1927-8-27 1110 Siskiyou Happy Camp, Klamath River. Comment
  RSA237462  Mahonia nervosa Frederick W. Oettinger 1969-8-25 1551 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
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  SEINET8493798  Maianthemum stellatum G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek. Comment
  RSA298144  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  RSA715930  Medicago lupulina L. Ahart, John Dittes 2005-6-10 12063 Siskiyou 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. 777 Comment
  UCD107730  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch, northeast of Mt. Eddy. 1188 Comment
  CAS-BOT-BC271163  Melica W. R. Dudley 1899-7-5 s.n. Siskiyou Near Bartlett Trail, Preston's Peak, Siskiyou Mountains Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  UCD87564  Melica harfordii R. Tofsrud 1949-8-3 s.n. Siskiyou Scott River about 10 miles south of Scott Bar. Comment
  HSC71444  Melilotus albus J. P. Smith, Steve Selva 1970-8-9 4577 Siskiyou In potato fields W of Macdoel. Comment
  RSA239286  Mentzelia laevicaulis Frederick W. Oettinger 1966-7-20 33 Siskiyou Between Cecilville General Store and post office, along Cecilville to Callahan road. Comment
  CHSC99694  Micranthes ferruginea L. P. Janeway 2008-7-24 9472 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
  SJSU6538  Micranthes ferruginea R. W. Trivelpiece 1973-6-28 158 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC429154  Micranthes odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  POM33357  Micropus californicus var. californicus Geo D. Butler 1910-5-7 1297 Siskiyou Yreka. Comment
  CAS-BOT-BC322660  Microseris laciniata W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar near McCloud Comment
  UC585133  Microseris nutans E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2009 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC76976  Microsteris gracilis K. T. Stillman 1976-6-25 43 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA264957  Mimulus breweri Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC36530  Mimulus breweri J. O. Sawyer 1969-7-10 1281 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC61896  Mimulus guttatus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC61069  Mimulus guttatus W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  RSA237552  Mimulus guttatus Frederick W. Oettinger 1966-8-7 46 Siskiyou Stream from spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  UC1409387  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou near Horse Range Lake (n side of Horse's Hole); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CDA41799  Mimulus guttatus subsp. micranthus F. D. Horn 1977-5-17 s.n. Siskiyou Highway 263, Shasta River Canyon, northeast of Yreka. 0 Comment
  SEINET515909  Mimulus jepsonii Vernon Oswald 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. 1756 Comment
  JEPS8210  Mimulus layneae W. L. Jepson 1894-8-9 36 m Siskiyou Shasta Springs Comment
  UC164263  Mimulus moniliformis Geo. D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek Comment
  HSC99277  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi. SE of Deadhorse Summit. 1.3 mi. NW of Shasta Co. line along Hwy. 89 396 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  HSC68583  Mimulus nanus var. nanus Maralyn A. Renner 1980-6-24 1064 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS4007  Mimulus nanus var. nanus W. L. Jepson 1907-7-6 2846 Siskiyou Marble Mt. Comment
  JEPS86953  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  HSC77028  Mimulus nanus var. nanus K. T. Stillman 1976-6-25 49 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA261454  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  RSA101711  Mimulus primuloides C. Hart Merriam 1898-09 s.n. Siskiyou Wagon Camp. Comment
  HSC20823  Mimulus suksdorfii R. C. Wunner 1965-7-9 360 Siskiyou California Lava Beds National Monument; as Hardin Butte Trail leaves lava flow, 0.4 mi. from main road 1341 Comment
  SBBG40476  Mimulus tilingii W. J. Dress 1951-8-14 3724 Siskiyou SW side of Mt Shasta, above Horse Camp 2529 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
  CAS-BOT-BC481921  Minuartia nuttallii Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  UC852410  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  HSC91384  Minuartia nuttallii subsp. gregaria Jennifer Whipple 1976-7-7 1320 Siskiyou Mount Eddy. 2530 Comment
  JEPS109602  Minuartia stolonifera Dean W. Taylor 2002-6-29 18207 Siskiyou Forest Road 40N08 7 miles NE from Scott Mountain summit (ca. 2.75 mi N of Big Carmen Lake) 1524 Comment
  CAS-BOT-BC229603  Mirabilis greenei W. B. C. 1940-6-20 15155 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  RSA276571  Mirabilis greenei George Pilz 1973-5-26 997 Siskiyou Along the Klamath River, 1 mile W of I-5, along Route 96 700 Comment
  CAS-BOT-BC229606  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill E from Yreka Comment
  RSA30657  Mirabilis greenei Lincoln Constance, Reed Rolllins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  POM92177  Mitella breweri Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley. Comment
  UC1483460  Mitella caulescens Maralyn A. Renner 1980-7-14 1721 Siskiyou headwaters of Etna Creek Klamath National Forest, Etna Quad. (near road at switchback) 1706 Comment
  HSC86449  Mitella diversifolia D. K. Imper 1987-6-5 Siskiyou Marble Mtn. Wilderness Area, 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  UC165926  Mitella pentandra Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley Comment
  HSC36944  Moehringia macrophylla J. P. Smith 1974-5-26 7586 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CHSC763  Monardella odoratissima K. Jaekal 1939-7-6 Siskiyou Black Butte Meadows, Mt. Shasta. 1158 Comment
  SBBG25901  Monardella odoratissima D. Myrick 1966-8-10 1533 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA183457  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou headwaters of Canyon Creek, Marble Mtn Wilderness Area 1921 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  JEPS84084  Monardella odoratissima subsp. glauca L. R. Heckard with J. Hickman et al. 1986-7-17 6515 Siskiyou N slope Condrey Mt. 1960 Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  CAS-BOT-BC222031  Monardella odoratissima subsp. glauca G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  JEPS63424  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 59 f Siskiyou Mt. Shasta Comment
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  RSA256711  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CHSC71316  Montia dichotoma Vernon H. Oswald; Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy.97 ca. 5 mi north of Macdoel. Growing along the brushy edge of a drying vernal pool. 1295 Comment
  CAS-BOT-BC445108  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  RSA238302  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC267041  Muhlenbergia filiformis Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  UC1949300  Muhlenbergia filiformis Barbara Ertter 1900-7-14 9318 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
  HSC12275  Nama lobbii Richard Spjut 1970-7-18 468 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  POM196346  Nama lobbii C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake. 1829 Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  UC164018  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou near Oro Fino Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS81664  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  CAS-BOT-BC60581  Noccaea fendleri subsp. glauca Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek. Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  CAS-BOT-BC60577  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou On north slope of Scott Mountain. 1524 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  UC164292  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou at head of West Fork Wooley Creek, s of lake West Fork Wooley Creek Comment
  UCR80886  Nothochelone nemorosa G. Fred Hrusa 1993-8-14 11399 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
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1
  JEPS85595  Orcuttia tenuis W. Robert Powell 1989-7-19 3534 Siskiyou 1.2 mi e Spring Creek Road (16 air mi n of Fall Spring Mills, 6 air mi w of Day); Timbered Crater 7.5 minute Quadrangle 1097 Comment
  UC1222992  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1949-9-16 18571 Siskiyou on the road between Callahan and Trinity Center Scott Mountain 1615 Comment
  UC1608317  Oreostemma alpigenum var. andersonii J. Kierstead 1990-7-18 90 -103 Siskiyou Gumboot Creek 100 yd s Forest Service Rd 40N26 (s side of mt.); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt 1676 Comment
  UC618629  Oreostemma alpigenum var. andersonii W. Bridge Cooke 1938-9-8 11607 Siskiyou on e slope, in heather association Little Red Butte; Mount Shasta 2590 Comment
  RSA0066438  Orobanche fasciculata Frederick W. Oettinger, Robert Thorne 1969-8-4 1176 Siskiyou North of Tobacco Lake. 1889 Comment
  RSA75605  Orobanche uniflora Albert M. Vollmer, L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Hwy. Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  RSA0083193  Orthilia secunda A. E. Culbertson 1943-7-17 23 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  POM43390  Orthocarpus attenuatus Geo. D. Butler 1910-5-8 1314 Siskiyou Devils land, near Yreka. Comment
  CHSC67609  Orthocarpus cuspidatus subsp. copelandii James D. Jokerst 1992-7-30 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
  JEPS116587  Orthocarpus cuspidatus subsp. copelandii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -029 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  UC1282016  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg Aug 8 1953-Aug 9 1953 116 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  RSA120883  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1957-7-13 384 Siskiyou Big Flat Public Camp, Klamath National Forest. Along the entrance road into camp. 1524 Comment
  RSA165525  Orthocarpus cuspidatus subsp. copelandii Clare B. Hardham 1961-7-3 8066 Siskiyou Scott Mts. south of Calahan. Comment
  HSC89868  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-17 193 Siskiyou Lassen Volcanic National Park, near Hwy. 89, 2 mi. below sign marking trail to Bumpas Hell Comment
  POM229936  Orthocarpus lacerus Louis C. Wheeler 1935-6-27 3611 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET10549696  Orthocarpus lithospermoides Strull 1984-5-26 STRULL 65 Siskiyou T44n, r11w, s26, indian scotty campground, 15.2 mi w of fort jones on scott River rd. Collected on roadside growing with quercus, cornus, and aquilegia. 701 Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  SEINET11132532  Osmorhiza berteroi G. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley. Comment
  HSC76995  Osmorhiza occidentalis K. T. Stillman 1976-8-7 184 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SD88460  Osmorhiza occidentalis Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. 1705 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  CAS-BOT-BC413219  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-22 5836 Siskiyou Trail to Kings Castle. Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC316753  Packera cana William Bridge Cooke 1940-8-22 15478 Siskiyou A medium sized colony occurs near the upper limits of the Hudsonian Zone along the west rim of Mud Creek Canyon 2743 Comment
  UC128685  Packera streptanthifolia A. A. Heller 1905-6-20 8076 Siskiyou Gazelle Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  RSA585249  Panicum capillare L. C. Wheeler 1934-9-20 3288 Siskiyou Lumgrey Creek; Siskiyou Mountains 671 Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  SBBG4073  Paxistima myrsinites K. K. Muller 1954-6-23 647 Siskiyou Siskiyou Mtns 1.8 mi below summit, 3.5 mi S of Oregon line on rd to Happy Camp Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  HSC63988  Pectocarya pusilla J. P. Smith 1973-5-5 6557 Siskiyou Scott Bar along the Scott River Comment
  SEINET3152895  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Dry land near Yreka Comment
  HSC293  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin 1982 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  RSA12627  Pedicularis racemosa Carl B. Wolf 1934-7-5 5958 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  UC1409426  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou near English Lake (High Lake Basins in vicinity of English Peak, edge of base camp meadows); Salmon Mountains, Marble Mountain Wilderness Area 2011 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
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UCD77904  Pedicularis semibarbata Robert E. Preston 2001-6-30 1668 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1798 Comment
  CAS-BOT-BC67685  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Marble Mountain - Near summit of Cayenne Ridge on south side. Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  UC1408849  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou due n of Hancock Lake (near summit of Little Medicine Mt); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2087 Comment
  HSC61872  Penstemon anguineus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC164290  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  HSC49948  Penstemon cinicola G. L. Clifton, Terry Griswold 1979-7-22 8920 Siskiyou Near Little Mt. Hoffman, close to the town of Macdoel 613 Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  CAS-BOT-BC265371  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou Crest of Redshale Mountain, Medicine Lake region 2438 Comment
  JEPS23288  Penstemon davidsonii var. davidsonii Rimo Bacigalupi 1959-7-1 7185 Siskiyou Pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, southwestern slopes of Mt. Shasta); southwestern slopes of Mt. Shasta 2346 Comment
  SBBG82196  Penstemon deustus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  UC1483445  Penstemon deustus J. Sawyer and J. Cole 1980-7-22 3951 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  RSA12566  Penstemon deustus subsp. deustus Carl B. Wolf 1934-7-6 6020 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  RSA11918  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  NY591791  Penstemon deustus var. pedicellatus A. A. Heller 1905-6-16 8049 Siskiyou Near Sisson Comment
  NY609822  Penstemon deustus var. suffrutescens C. L. Hitchcock 1939-7-7 5293 Siskiyou North side of Sanger Peak 1645.9 Comment
  SD104854  Penstemon filiformis Darley F. Howe 1979-6-25 5197 Siskiyou Somes Bar Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
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Jun 8 2008
  UC618806  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou on lava flats and slopes around Horse Camp (on the sw side Mount Shasta); sw side Mount Shasta, Horse Camp 2438 Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  HSC20971  Penstemon humilis subsp. humilis D. M. Thomson 1965-6-19 102 Siskiyou Lava Beds National Monument, 0.5 mi. S of Merril Ice Cave, on fire road Comment
  HSC60145  Penstemon laetus subsp. sagittatus D. L. Goforth 1979-7-7 229 Siskiyou Klamath National Forest, Condrey Mtn. 1768 Comment
  HSC61125  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  HSC91119  Penstemon laetus subsp. sagittatus Jennifer Whipple 1976-6-30 1187 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  SEINET11053374  Penstemon laetus subsp. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  NY605199  Penstemon neotericus T. W. Nelson 1980-7-5 5977 Siskiyou Shoeinhorse Mountain Quad.; Fowler's Campground. 1005.8 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  SBBG16540  Penstemon newberryi D. Myrick 1961-6-19 266 Siskiyou rd to Mt Shasta Ski Bowl 1524 Comment
  UC313697  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (on W flank of Mount Shasta); Mount Shasta 1609 Comment
  UCSB24889  Penstemon newberryi var. newberryi Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC81671  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6074 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  POM259370  Penstemon parvulus J. T. Howell 1939-8-2 14899 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC886815  Penstemon parvulus John Thomas Howell 1939-8-2 14899 Siskiyou Spirit Lake , Spirit Lake (Marble Mts.) 1828 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  UCD124119  Penstemon procerus Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1859 Comment
  SEINET12291363  Penstemon procerus H. P. Chandler 1901-1 1639 Siskiyou near Marble Mtn 2134 Comment
  RSA238759  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou West end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS11376  Penstemon roezlii W. L. Jepson 1894-8-9 21429 Siskiyou Horseshoe Bend* Horseshoe Bend, Upper Sacramento River (Upper Sacramento River, *near Shasta Springs - bend in rr., not in river) Comment
  UC163814  Penstemon roezlii Geo. D. Butler 1909-6-22 933 Siskiyou foothills of Goosenest Mt. Goosenest Mountain Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  CHSC31037  Penstemon rupicola M. S. Taylor 1980-7-8 3094 Siskiyou W end of Little Castle Lake, near where creek enters the lake. 1767 Comment
  JEPS69754  Penstemon speciosus W. B. and V. G. Cooke 1972-7-6 45458 Siskiyou along Mud Creek Dam Road (Mt. Shasta); , along Mud Creek Dam Road 1066 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  UC535906  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 a Siskiyou s Lower Klamath Lake; Willow Creek 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
  UC1390009  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5879 Siskiyou 3 mi n Cecilville Comment
  HSC76863  Perideridia oregana K. T. Stillman 1976-9-9 480 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  UC1351727  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou between campground and S. Fork of Salmon R.; Trinity Alps, Big Flat 1524 Comment
  CHSC32966  Persicaria amphibia J. P. Smith; Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  SEINET3924776  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek.; 0 671 Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  UC1177549  Phacelia Lincoln Constance and Rimo Bacigalupi 1959-6-16 3673 Siskiyou w slope of mt 3.6 mi above Mt. Shasta (city) (on road to Panther Meadows); Mt. Shasta 1524 Comment
  UC672408  Phacelia Herbert L. Mason 1931-5-9 5867 Siskiyou Shasta Creek Comment
  UC1475688  Phacelia cookei Clifton and Ground 1978-6-14 1040 Siskiyou near Andesite (close to town of Weed); Whaleback quadrangle 1464 Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD120480  Phacelia hastata Robert E. Preston 1995-6-18 885 Siskiyou Irongate Reservoir, ca. 1/4 mi sw of mouth of Jenny Creek. 731 Comment
  RSA184649  Phacelia hastata subsp. hastata Clare B. Hardham 1965-8-20 13014 Siskiyou Cudahy Lakes Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  UCD120522  Phacelia heterophylla subsp. virgata Robert E. Preston 1995-6-18 882 Siskiyou ca. 3 mi ese of Hornbrook, adjacent to Ager Rd. 701 Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS25595  Phacelia mutabilis Rimo Bacigalupi 1959-7-2 7227 Siskiyou near north base of Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  RSA0106628  Phacelia pringlei Louise Kellogg 1953-8-5 105 Siskiyou Cabin Meadow, 1 mile north of Corey Peak, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on the logging road). 1845 Comment
  RSA238840  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Base of sheer cliff just due east of Diamond Lake and 50 feet below the lake in elevation. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness. 2058 Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  HSC29459  Philadelphus californicus Frederick W. Oettinger 1968-9-8 793 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1738 Comment
  CAS-BOT-BC77419  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5062 Siskiyou Near Forks of Salmon Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  RSA0097453  Philadelphus lewisii Walter Wisura, J. Romero 1991-10-17 4594 Siskiyou 4.9 mi W of Gazelle along rd to Callahan. Comment
  RSA233682  Phleum alpinum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38959 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD89299  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15-16 miles southwest of Mt. Shasta City. Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  HSC30605  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow., Tom's Lake region. 2188 Comment
  HSC58857  Phleum pratense Marvin Butler 1971-8-2 266 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  UC1024789  Phleum pratense Leo Whitney 1934-6-29 2233 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  CDA40295  Phlox adsurgens D. H. Shaw 1977-5-26 s.n. Siskiyou Southeast of Seiad Valley on Walker Creek, western part of county. 0 Comment
  RSA74735  Phlox adsurgens Albert M. Vollmer, L. Beane 1951-6-2 75 Siskiyou Happy Camp, Klamath River Hwy. Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC76920  Phlox diffusa K. T. Stillman 1976-6-26 132 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  SJSU11450  Phlox diffusa M. R. Kempf 1965-7-13 312 Siskiyou above Horse Camp W slope Mt Shasta 2438 Comment
  UC609316  Phlox diffusa Eleanor Burks Hart 1938-8-19 901 Siskiyou Upper Wright Lake 2194 Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  RSA237378  Phlox diffusa Frederick W. Oettinger 1967-7-7 156 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  RSA83077  Phlox diffusa subsp. diffusa Verne Grant, Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  RSA237975  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1969-7-10 964 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  UC1734049  Phlox gracilis Frank Gould, Kay H. Beach 1940-5-15 1249 Siskiyou Bald Mountain. Comment
  UC572311  Phlox hoodii subsp. canescens W. H. Mitchell 1936-5-8 Siskiyou Base of Schonclim Butte Dorris Quad. 1432 Comment
  UC722469  Phlox speciosa C. L. Hitchcock and J. S. Martin 1939-7-7 5272 Siskiyou 1 mi s Camp Chicago (Sanger Peak Trail, ca 12 mi s of Takilma, Oregon); Siskiyou Mts. 1432 Comment
  UC205784  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka hills Yreka Comment
  POM75065  Phlox speciosa subsp. occidentalis Geo D. Butler 1909-4-13 650 Siskiyou Near Yreka. Comment
  CAS-BOT-BC135340  Phoradendron juniperinum Peter H. Raven 1956-9-2 10470 Siskiyou N Fork of the Sacramento River 1463 Comment
  UC163740  Phoradendron villosum Geo. D. Butler 1909-3-21 565 Siskiyou near Oro Fino Comment
  UC163742  Phoradendron villosum Geo. D. Butler 1908-7-4 276 Siskiyou Shasta R. Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  SFV1495  Physaria occidentalis subsp. occidentalis D. Parker 1952-4-27 213 Siskiyou East Fork of the Scott River. 1220 Comment
  RSA30435  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1189 Comment
  RSA68932  Physocarpus capitatus A. E. Culbertson 1943-7-16 26 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6000' eastern spur of Trinity Wts. ; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCR131594  Physocarpus capitatus L. C. Wheeler 1934-7-5 2877 Siskiyou Siskiyou Mtns., Beaver Creek at Deer Creek 976 Comment
  CAS-BOT-BC73426  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon Rvr.), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mts 1615 Comment
  JEPS46724  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Happy Camp Trail Siskiyou Mts., Indian Creek (head of creek) Comment
  RSA100495  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA237209  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Cliffs above Hellhole, near Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC78156  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar 1615 Comment
  HSC4810  Picea engelmannii J. O. Sawyer 1968-6-19 253 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  UC1313050  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou ca 7 mi (airline) e Siskiyou County <border> (creek is tributary of Salmon River); lower Blake's Fork of South Russian Creek 1524 Comment
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  CAS-BOT-BC78321  Pinus attenuata Doris K. Kildale 1929-4-29 7480 Siskiyou Cecilville Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  HSC1371  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy, Bulk Collection # 88 2271 Comment
  HSC45575  Pinus balfouriana Maralyn O'Meara 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose Mine Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  HSC67770  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3806 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78957  Pinus monticola Doris K. Kildale 1928-8-19 6563 Siskiyou Hancock Lake trail to Marble Mt. 2133 Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC78961  Pinus monticola W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon to Scotts Creek Comment
  CAS-BOT-BC72871  Pinus ponderosa L. B. Kildale 1930-6-1 9775 Siskiyou Black Bear Trail to Sawyers Bar Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
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  RSA120507  Piperia unalascensis S. S. Tillett 1956-7-9 629 Siskiyou Northwest facing slope of Scott Mountain. Trinity-Siskiyou Cos line, ca. 8 miles southeast of Callahan 1829 Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  UC164105  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou near Yreka Comment
  JEPS68126  Plagiobothrys tenellus George D. Butler 1909-4-13 654 Siskiyou near Yreka Comment
  RSA210923  Plantago indica John H. Thomas 1969-9-6 15464 Siskiyou About 8 miles southward from MacDoel near US Hwy 97. 1524 Comment
  CAS-BOT-BC136640  Platanthera Arthur Menzies 1962-7-21 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information 1706 Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA382924  Platanthera sparsiflora M. B. Dunkle 1945-07 9257 Siskiyou Klamath National Forest; Marble Mts. Comment
  CAS-BOT-BC458196  Pleuricospora fimbriolata Ira L. Wiggins 1955-7-24 13492 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  JEPS64574  Pleuricospora fimbriolata Noel H. Holmgren, Liew Fah Seong 1969-6-24 3615 Siskiyou Siskiyou Mountains, along Obrian Happy Camp Road Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. 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
  UCD90539  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou 15 to 16 miles southwest of city of Mount Shasta. Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  POM215735  Poa bulbosa L. C. Wheeler 1935-6-1 3536 Siskiyou Siskiyou Mountains; Yreka Creek 854 Comment
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  SEINET7096775 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  UCD91098  Poa howellii Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain. Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  SJSU11320  Poa pringlei S. H. Casey 1981-7-4 1212 Siskiyou Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley, northwestern Siskiyou County. 1767 Comment
  HSC76922  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-26 135 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  HSC43815  Poa secunda subsp. secunda M. A. Baker 1977-5-22 326 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  UCD90998  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain. Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  UCD91743  Poa wheeleri R. Tofsrud 1948-8-1 s.n. Siskiyou Pather Meadow, Mt. Shasta. 2438 Comment
  UCD91758  Poa wheeleri Leo Whitney 1935-7-15 3473 Siskiyou near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  JEPS100991  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-11 10870 Siskiyou 2.5 miles NE Abobe Flat Reservoir (ca. 5 miles N of Timbered Creter), just west of right of way of Pacific Gas Pipeline. 1341 Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1072720  Polemonium californicum Douglas Barbe 1955-7-6 132 Siskiyou shore Taylor Lake Klamath Mountains, , Taylor Lake (Salmon Mts.) 1950 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC6423  Polemonium tricolor Harley Pierce Chandler 1901-6-1 1671 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  HSC27665  Polygala californica Carl W. Mize 1972-6-8 1 Siskiyou Along the main trail 328 Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  UCD99889  Polygonum argyrocoleon P. C. Everett; E. K. Balls 1954-10-13 20278 Siskiyou Yellow Pine Forest Community, Seiad Creek, road to Kangaroo Mt., 6.7 mi. n.e. from Hwy 96. 701 Comment
  CAS-BOT-BC414314  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Old mining dump near Oro Fino Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  UC1733715  Polygonum bistortoides Frank Gould, Kay H. Beach 1940-5-15 1227 Siskiyou Bull Meadows Comment
  JEPS50536  Polygonum davisiae Louis C. Wheeler 1935-6-27 3601 Siskiyou Etna Creek Marble Mts. (head) 1798 Comment
  UC618739  Polygonum davisiae W. Bridge Cooke 1938-7-21 11289 Siskiyou between Horse Camp and Panther Creek Meadows; Mount Shasta Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  POM211511  Polygonum douglasii var. latifolium Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  RSA466385  Polygonum kelloggii Louis C. Wheeler 1934-6-22 2769 Siskiyou Siskiyou Mountains: Cottonwood Creek. 1006 Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CHSC71494  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9335 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  JEPS77491  Polygonum polygaloides subsp. confertiflorum Susan Horner 1978-6-30 414 a Siskiyou about 4 mi sse of Hambone (road between 40N05 and Sand Flat Well, about 22 air mi ene of McCloud); ; 40N3E30 Comment
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  UCD100907  Polygonum shastense R. Tofsrud; J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  HSC10837  Polypogon monspeliensis C. B. Wolf 1927-8-26 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  RSA237502  Polystichum imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou In granitic rock on a hot dry site, boulder area due north of the English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1456685  Polystichum imbricans subsp. imbricans I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley 1524 Comment
  HSC29355  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou Due N of the English Lake Outlet 1784 Comment
  JEPS24014  Polystichum imbricans subsp. imbricans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6875 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River) 396 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
  RSA13704  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  CAS-BOT-BC76681  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral, Russian Creek Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102400  Populus fremontii Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  CAS-BOT-BC102767  Populus tremuloides John Thomas Howell 1939-8-9 15209 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC102770  Populus tremuloides L. E. Smith 1918-4-29 s.n. Siskiyou Sisson Comment
  UC416612  Porterella carnosula H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; about 10 mi (air) s of the Oregon boundary and about 11 mi (by road) n of Montague, northern Siskiyou Co. Comment
  JEPS125852  Potamogeton alpinus subsp. tenuifolius Dean W. Taylor 1996-6-24 15741 Siskiyou Klamath River canyon near Oregon State line Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  POM172662  Potamogeton illinoensis Geo D. Butler 1910-8-21 1853 Siskiyou Shasta River. Comment
  UC114325  Potentilla breweri Thomas Howell Siskiyou Hornbrook Comment
  UC1409356  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (Salmon Mts., high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, western Siskiyou County) 1889 Comment
  UC221751  Potentilla breweri H. E. Brown Jun 15 1897-Jun 30 1897 472 Siskiyou n side Mt. Shasta 1524 Comment
  POM34961  Potentilla breweri var. breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake, Shackleford creek 1220 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  CAS-BOT-BC143262  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  HSC96320  Potentilla flabellifolia Gordon Leppig, J. Kalt 1996-7-9 390 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA237236  Potentilla flabellifolia Frederick W. Oettinger 1967-7-8 159 Siskiyou Wet stream bank, just below Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237617  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou South of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS93908  Potentilla fruticosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9439 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  RSA74740  Potentilla glandulosa subsp. ashlandica Albert M. Vollmer 1951-5-31 36 Siskiyou Scott Mountain. Comment
  SJSU2556  Potentilla glandulosa subsp. ashlandica H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1143 Comment
  SBBG30526  Potentilla gracilis var. fastigiata D. Myrick 1968-6-25 2021 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  CAS-BOT-BC540552  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC540555  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  LA208101  Potentilla gracilis var. fastigiata W. B. C.; 1939-7-7 13591 Siskiyou Mount Shasta, Bear Springs 1523 Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  HSC4471  Primula suffrutescens William J. Ferlatte 1967-8-20 1045 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC19563  Prosartes hookeri J. O. Sawyer 1968-6-19 250 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  RSA120730  Prunella vulgaris subsp. lanceolata S. S. Tillett 1956-7-9 678 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC158224  Prunus emarginata D. E. Breedlove 1962-7-14 3925 Siskiyou On steep slope on ridge between Liebel Peak and Piute Peak, 12.4 miles southwest of Bodfish-Havilah Road; Piute Mountains 2164 Comment
  CAS-BOT-BC158233  Prunus emarginata A. A. Heller 1920-8-13 13523 Siskiyou Near the Big [Sprin] Spring near Sisson Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA78998  Prunus emarginata E. K. Balls 1952-10-13 18186 Siskiyou North end of Castle Lake 1585 Comment
  UC1540007  Prunus emarginata M. Mitchell 1936-6-8 6 Siskiyou Lava Beds National Monument, Irish Bridge Irish Bridge; Lava Beds National Monument, Irish Bridge 1417 Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CAS-BOT-BC151249  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  UC60883  Prunus virginiana var. demissa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  UC61666  Pseudognaphalium thermale Geo. B. Grant 1902-9-1 5075 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  HSC27953  Pseudotsuga menziesii var. menziesii Carl W. Mize 1972-9-23 115 Siskiyou 0.5 mi from end of Steinacher Creek Rd. 884 Comment
  UC401305  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1908-7-20 522 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC72685  Pteridium aquilinum H. A. Thomas; J. H. Thomas 1954-7-21 4390 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek 1036 Comment
  JEPS44606  Purshia tridentata var. tridentata W. L. Jepson 1940-6-28 20057 Siskiyou McCloud 975 Comment
  RSA449672  Purshia tridentata var. tridentata N. R. Zabriskie, W. Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just E of McCloud. SE of Mt Shasta. Comment
  HSC4788  Pyrola crypta William J. Ferlatte 1966-8-5 326 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC466127  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  UC86685  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou [illeg.] Mt. Eddy Comment
  CAS-BOT-BC362268  Pyrrocoma carthamoides var. cusickii J. D. Jokerst 1981-8-18 1462 Siskiyou East side of USFS logging road between road and canyon bottom 1249 Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 Comment
  CHSC88781  Pyrrocoma racemosa Jenny Marr 1993-7-1 194 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET4077684  Quercus chrysolepis Unknown No date 1090 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC94659  Quercus garryana Carl B. Wolf 1927-8-27 1109 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  CHSC86650  Quercus garryana Jenny Marr 1993-7-1 33 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC220658  Quercus garryana H. E. Brown Aug 1 1897-Aug 15 1897 Siskiyou s side Mt. Shasta 1524 Comment
  CAS-BOT-BC62760  Quercus garryana var. breweri Doris K. Kildale 1928-8-18 6442 Siskiyou lead of north fork of Salmon River at Finley's upper Camp Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  POM166635  Quercus garryana var. garryana Copeland 1903-7-14 3522 Siskiyou Klamathon. Comment
  RSA82773  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp. 335 Comment
  CAS-BOT-BC104358  Quercus sadleriana Lester Rowntree 1934-5-12 s.n. Siskiyou Happy Camp Road top of divide Comment
  HSC27623  Quercus sadleriana Carl W. Mize 1972-6-23 99 Siskiyou Along trail from Camp 3 976 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SBBG115705  Quercus sadleriana G. J. Muth, J. M. Tucker 1972-8-8 1796 Siskiyou Elk Pk, Scott Bar Quad 1828 Comment
  SEINET13953860 Image available Quercus sadleriana D. K. Bailey 1972-1 Siskiyou Understory shrubs beneath Picea breweriana, cf. NE slope above O'Brien to Happy Camp road 1311 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  RSA237825  Quercus vacciniifolia Frederick W. Oettinger 1968-9-1 641 Siskiyou On rocky ridge of Franz Peak NNE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCD77973  Raillardella argentea Robert E. Preston 2001-7-21 1714 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  JEPS87837  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou upstream side of Forest Rd 26 (to Mt. Shasta) ca 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  CHSC91256  Ranunculus cymbalaria var. saximontanus Lowell Ahart; John Dittes 2005-6-9 12040 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC165989  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 784 Siskiyou near Yreka Comment
  POM268891  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  CHSC71600  Rhamnus californica subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 Comment
  HSC68218  Rhamnus ilicifolia J. P. Smith, Steve Selva 1970-6-14 3865 Siskiyou Comment
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Feb 1 2013
  UC1045317  Rhamnus ilicifolia W. Bridge Cooke 1940-6-20 15141 Siskiyou w of Pacific Highway (along Klamath River); Klamath River Comment
  POM210877  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA12077  Rhamnus purshiana Louis C. Wheeler 1934-10-28 3351 Siskiyou Shasta Riuver 2miles below Yreka Creek, Siskiyou Mts. Mt. Diablo Mer 823 Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  JEPS41972  Rhamnus rubra Willis L. Jepson Jul 1894 13982 Siskiyou plateau about Muir's Peak Upper Sacramento Region, Black Butte 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
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  HSC749  Rhododendron columbianum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC200397  Rhododendron occidentale var. paludosum Isabelle C. Kimber 1934-6-9 29 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  POM146272  Rhododendron occidentale var. paludosum J. B. Feudge 1927-7-22 1729 Siskiyou Trail [sisson] to Mt. Eddy. 1524 Comment
  JEPS94252  Rhus trilobata Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC438011  Ribes W. R. Dudley 1899-8-22 s.n. Siskiyou Near spring - Craggy Peak Comment
  CAS-BOT-BC92410  Ribes aureum var. aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC67825  Ribes cereum J. O. Sawyer, J. Cole 1980-7-20 3764 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UC1483444  Ribes cereum J. Sawyer and J. Cole 1980-7-22 3999 Siskiyou Little Horse Peak Klamath National Forest, Bray Quad. 1719 Comment
  RSA0024866  Ribes cereum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin. 1982 Comment
  RSA0024874  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  JEPS49354  Ribes lobbii W. L. Jepson 1902-7-22 2093 Siskiyou trail from Salmon Forks; Salmon Summit 1676 Comment
  UC166553  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC34291  Ribes marshallii J. P. Smith, J. O. Sawyer 1973-8-14 7285 Siskiyou On trail from Campbell Lake to Cliff Lake 1585 Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  UC1167540  Ribes marshallii C. R. Quick 1936-8-18 Siskiyou n Happy Camp (margins of Poker Flat near summit of mountains); Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC219269  Ribes nevadense Alice Eastwood 1923-5-23 11909 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC219273  Ribes nevadense Alice Eastwood 1917-9-2 6701 Siskiyou Shasta Springs Comment
  UC465794 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 179 Siskiyou Jackson Lake 1798 Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA0022718  Ribes nevadense var. glaucescens Elmer I. Applegate 1895-5-29 197 Siskiyou Base of Mt. Shasta, near Sisson, Strawberry Valley. Comment
  HSC69254  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3727 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  RSA0024600  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino. Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS49241  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackelford Creek 1676 Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  RSA605519  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville. 1372 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  HSC63074  Ribes velutinum David Wheeler 1979-4-8 33 Siskiyou N facing slope Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC50365  Rigiopappus leptocladus Lewis Samuel Rose 1945-6-18 45065 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC99213  Romanzoffia sitchensis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS90364  Rorippa columbiae Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9247 Siskiyou White Deer Lake; margin of stock watering pond, extreme ne portion of county 1508 Comment
  UCD40868  Rorippa columbiae Paul A. Rude 1984-6-26 s.n. Siskiyou Vicinity of Tule Lake. Comment
  CHSC91251  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2005-6-10 12079 Siskiyou On the north side of the Shasta River, about 60 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
  POM88100  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka. Comment
  RSA715952  Rosa eglanteria L. Ahart, J. Dittes 2005-6-10 12065 Siskiyou E of a poor dirt road. About 90 yards NE of the pump house along the Shasta River. About 1.9 miles (air) S of Hwy 99/97 cutoff. About 6 miles (air) ESE of Grenada. 777 Comment
  HSC19381  Rosa gymnocarpa J. O. Sawyer 1968-6-25 346 Siskiyou Along Horse Range Creek 1646 Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  UC637139  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou summit of Happy Camp to Waldo (Oregon) rd Klamath National Forest, Indian Creek watershed 1615 Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  HSC44717  Rosa rubiginosa J. O. Sawyer, E. Cope 1977-6-18 2912 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC74836  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1978-7-3 10005 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  CAS-BOT-BC147139  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  UC375393  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug Mountain Comment
  HSC60413  Rubus laciniatus J. P. Smith, Steve Selva 1970-6-15 3901 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS82720  Rubus lasiococcus Wayne Roderick 1983-7-10 Siskiyou Doe Flat (next to Del Norte County) 1143 Comment
  RSA237648  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  HSC99687  Rubus parviflorus G. L. Clifton, Terry Griswold 1979-6-28 6129 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC59595  Rubus ursinus J. P. Smith 1973-5-5 6500 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA8560  Rudbeckia occidentalis T. C. Fuller 1962-8-3 9508 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC33984  Rumex acetosella J. P. Smith 1974-5-25 7473 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC55517  Rumex acetosella T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  UC164027  Rumex maritimus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  CAS-BOT-BC267084  Sagittaria Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  HSC41036  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou N of High Lake 2043 Comment
  RSA215632  Salix eastwoodiae Gilbert Muth 1969-8-11 1356 Siskiyou Boulder Peak. 2378 Comment
  SBBG50694  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 b Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  RSA0034854  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  CAS-BOT-BC125468  Salix lasiandra var. lasiandra W. B. Cooke; V. G. Cooke 1977-9-22 54823 Siskiyou Near Deter Camp, Mt. Shasta Comment
  CAS-BOT-BC125472  Salix lasiandra var. lasiandra W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  UC1034618  Salix lasiandra var. lasiandra unknown 1955-6-28 6 Siskiyou 0.8 mi. n. of Callahan (in dredgings near Hjertagers' Mill) 975 Comment
  POM107152  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  CHSC9563  Salix lemmonii E. L. Smith 1971-4-8 937 Siskiyou At Mt. Shasta City. 1097 Comment
  UC481733  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  CAS-BOT-BC125067  Salix ligulifolia L. S. Smith 1931-6-7 3 Siskiyou Tahoe National Forest, Mt. Shasta, Middle Fork American River near Chalf Bluff Xing 1066 Comment
  UC576381  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, beside creek at first bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  HSC28684  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  RSA238008  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Slope SE of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1768 Comment
  POM67465  Sambucus callicarpa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek. 1829 Comment
  UC1539995  Sambucus mexicana M. Mitchell 1936-5-19 35 Siskiyou Lava Beds National Monument 1371 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC12270  Saponaria officinalis Richard Spjut 1970-7-17 467 Siskiyou Just off Hwy. 89 at the W end of McCloud 1220 Comment
  RSA445294  Satureja douglasii M. B. Dunkle 1944-7-15 9103 Siskiyou Siskiyou National Forest. Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  JEPS82426  Saxifraga integrifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  SEINET12220731  Saxifraga marshallii H. P. Chandler 1901-1 1613 Siskiyou near Marble Mountain, North Coast Ranges 2134 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
  UC609344  Saxifraga odontoloma Eleanor Burks Hart 1938-8-20 900 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC445870  Saxifragopsis fragarioides J. Bernard Brinton 1882-9-5 s.n. Siskiyou Cliffs overhanging Castle Lake Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  HSC68114  Scleranthus annuus J. P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River Comment
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  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
  CAS-BOT-BC64650  Sedum kiersteadiae John Thomas Howell 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS96690  Sedum laxum subsp. flavidum Dean W. Taylor 1997-6-12 16064 Siskiyou 4 mi west of Gazelle; Shasta Valley, Willow Creek 944 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  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
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  SBBG30539  Sedum oregonense D. Myrick 1968-6-27 2036 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  HSC25456  Sedum stenopetalum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5651 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS60160  Selaginella wallacei Geo. D. Butler 1909-7-15 874 b Siskiyou Highland Mine Highland Mine Comment
  CAS-BOT-BC363423  Senecio aronicoides Alice Eastwood 1912-7-15 1102 Siskiyou McCloud Comment
  JEPS37594  Senecio aronicoides Geo. D. Butler 1909-4-9 629 Siskiyou 6.0 mi ne Yreka; Humbug Comment
  CAS-BOT-BC363646  Senecio fremontii var. occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Mt. Eddy Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  CAS-BOT-BC364041  Senecio integerrimus var. major Doris K. Kildale 1928-7-2 5382 Siskiyou Salmon Summit via Horn Creek trail 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
  UC1483550  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1192 Siskiyou forest at n edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad. 1389 Comment
  HSC68411  Senecio triangularis Maralyn A. Renner 1980-7-4 1410 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA264986  Senecio triangularis G. L. Clifton 1975-7-28 5765 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  JEPS95250  Shepherdia canadensis Janet and Steve Edwards 1995-7-30 Siskiyou Parks Creek Road (USFS Road 17; Stewart Springs Road of some maps) 1731 Comment
  CHSC99989  Sidalcea asprella L. P. Janeway 2008-7-25 9500 Siskiyou Klamath Ranges. Siskiyou Mountains; 3/2 air km souothwest of Cook and Green Pass; 0.4 km southeast of Red butte. 1736 Comment
  HSC103910  Sidalcea asprella subsp. nana Dana York 2010-9-12 3018 Siskiyou Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road 1250 Comment
  UC1299197  Sidalcea glaucescens Freed W. Hoffman 1950-7-14 3623 Siskiyou western Baldy Mountain Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  HSC92148  Sidalcea oregana subsp. spicata Jennifer Whipple 1977-8-6 2239 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS67254  Sidalcea oregana subsp. spicata W. L. Jepson 1914-8-13 5784 Siskiyou Sisson 1097 Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  UC454910  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  CAS-BOT-BC181192  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC181195  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  UC1096831  Silene campanulata subsp. glandulosa Milo S. Baker 1957-6-16 13151 Siskiyou Trip to Scott Mts. from Turn off near Callahan; North Coast Ranges, trip to Scott Mts. Comment
  UC166111  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  HSC68107  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6495 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  RSA11897  Silene douglasii Elmer I. Applegate 1923-8-18 3876 Siskiyou Redshale Mountain, E side of Medicine Lake. 2439 Comment
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Dec 30 2016
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC19525  Silene grayi J. O. Sawyer 1969-7-16 1135 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC389422  Silene lemmonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11735 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC389425  Silene lemmonii A. A. Heller 1920-6-27 13388 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC39834  Silene lemmonii J. O. Sawyer 1969-7-23 1162 Siskiyou Near Horse Range Creek 1341 Comment
  CAS-BOT-BC75156  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5901 Siskiyou Klamath River at Mack's Creek near Hamburg. 457 Comment
  RSA298160  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along Forest Service Road 47N03 1524 Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 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
  NY821171  Solanum parishii W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath gorge 2000 Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365581  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 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
  UC598533  Solidago elongata C. Hart Merriam Sept 1898 Siskiyou Wagon Camp , Wagon Camp (Mt. Shasta) Comment
  UC88139  Solidago elongata K. Brandegee July 1887 Siskiyou Sisson's Comment
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  JEPS22566  Solidago spectabilis Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-2 6833 Siskiyou just north and below Scott Mountain road summit 1615 Comment
  HSC27098  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1972-9-14 5809 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  UCD136122  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  CHSC69090  Sorbus californica Vernon Oswald; Lowell Ahart 1997-7-28 8794 Siskiyou Southeast of Medicine Lake at Paynes Springs. On the walls of Paynes Creek Canyon north of the campground. 1981 Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  UC73083  Sorbus californica Milo S. Baker 1898-8-1 471 Siskiyou Medicine Lake Comment
  CAS-BOT-BC158928  Sorbus scopulina Alice Eastwood; John Thomas Howell 1937-6-26 5039 Siskiyou Salmon Mts. above Taylor Creek Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC149681  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS46333  Spiraea douglasii W. L. Jepson 1940-7-3 20107 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA211181  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Between campground and S fork of the Salmon River. Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  RSA68956  Spiraea douglasii A. E. Culbertson 1943-8-8 2 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  HSC67726  Stachys rigida John Palmer 1980-8-12 688 Siskiyou SE of Ward's Gap. 1189 Comment
  UC642569  Stellaria calycantha unknown 1939-7-27 13746 Siskiyou above Panther Creek Meadows (w boreal spring); Mount Shasta Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  HSC41046  Stellaria nitens J. O. Sawyer 1970-3-4 2065 Siskiyou N of Idlewild Campground 762 Comment
  HSC75256  Stenanthium occidentale J. O. Sawyer, M. Mesler 1980-8-13 4050 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  UC165400  Stephanomeria lactucina Geo. D. Butler 1909-7-25 959 Siskiyou Highland Mine Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CHSC4552  Streptanthus J. E. Bowlin 1967-7-18 70 Siskiyou Beside road, ca. 2.7 mi w of Mount Shasta Ski Bowl. 2194 Comment
  CAS-BOT-BC61123  Streptanthus barbatus L. E. Smith 1915-7-1 s.n. Siskiyou Castella. Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  HSC65575  Streptanthus tortuosus R. White 1977-7-7 108 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  JEPS84282  Streptanthus tortuosus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 a Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  LA51459  Streptanthus tortuosus Reed C. Rollins; 1938-8-21 11555 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  HSC60663  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-22 8781 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  UCSB24734  Streptopus amplexifolius Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA237936  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Inlet to Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1936 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  HSC82559  Swertia albicaulis var. albicaulis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4720 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC61795  Swertia albicaulis var. nitida Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 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
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  JEPS26668  Symphoricarpos mollis Lauramay T. Dempster 1961-7-2 1849 Siskiyou at road crossing sw Etna (Mill Creek); Mill Creek Comment
  CDA42311  Symphoricarpos mollis G. D. Barbe 1973-8-14 1701 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CAS-BOT-BC245771  Symphoricarpos rotundifolius Elmer I. Applegate 1923-8-18 3872 Siskiyou Red Shale Mountain, east of Medicine Lake 2438 Comment
  CAS-BOT-BC97889  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  CAS-BOT-BC98428  Symphyotrichum spathulatum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  UC226163  Tanacetum parthenium H. E. Brown Jun 15 1897-Jun 30 1897 482 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC81338  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC81339  Taxus brevifolia J. G. Lemmon & Wife s.n. Siskiyou Near Mt. Shasta Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  CAS-BOT-BC88065  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  CDA25192  Thelypodium brachycarpum M. R. Pryor 1948-7-14 3705 Siskiyou 5 miles north of Gazelle, State Highway 99. 0 Comment
  UCD116429  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  JEPS105430  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  CAS-BOT-BC66796  Thysanocarpus curvipes Alice Eastwood 1923-5-29 11990 Siskiyou Shasta Springs. Comment
  UC165975  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou dry hill near Yreka; near Yreka Comment
  SEINET3166358  Thysanocarpus curvipes subsp. curvipes P. J. Alexander 2009-4-7 991 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  SEINET10810172  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-7-26 Wheeler 3714 Siskiyou Siskiyou Mts., Jaynes Canyon. Wet sunny meadow. Mt. Diablo Mer. S 12 T 47 N, R 10 W. 1951 Comment
  JEPS25581  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  CHSC30093  Triantha occidentalis subsp. occidentalis M. S. Taylor 1980-7-22 3173 Siskiyou Ca. 0.1 mi sw of Big Carmen Lake, on s side of 40N08, ca. 2.3 mi ne of its jct with Hwy 3 at Scott Mt. Summitt. 1737 Comment
  CAS-BOT-BC519557  Triantha occidentalis subsp. occidentalis John Thomas Howell 1937-7-23 13371 Siskiyou Siskiyou: South Fork of Salmon River near Big Flat 1524 Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  SD88333  Trientalis latifolia Darley F. Howe 1972-7-6 Siskiyou 1.6 miles south of Oregon state lineon road to Happy Camp 1584 Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  HSC72474  Trifolium eriocephalum J. P. Smith 1973-5-5 6460 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC75715  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  UC163745  Trifolium hybridum Geo. D. Butler 1909-5-20 716 Siskiyou near Yukia (along creek) Comment
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Nov 25 2011
  RSA183650  Trifolium hybridum Gilbert Muth 1965-8-16 228 Siskiyou Marble Valley Comment
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  RSA119327  Trifolium longipes var. shastense S. S. Tillett 1956-7-9 653 Siskiyou Above Masterson Meadow, e. side of Scott Mtn., Siskiyou-Trinity Co. line, ca. 8 mi. se of Callahan. 1890 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  POM27531  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Yreka. Comment
  UCD109298  Trifolium productum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake. Comment
  UC631385  Trifolium variegatum var. melananthum A. A. Heller 1919-6-25 13269 Siskiyou Compton's prairie north base of Mt, Eddy 1158 Comment
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC19419  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 482 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC200090  Trisetum canescens W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. 1981 Comment
  HSC48279  Trisetum canescens Ken Stillman, J. O. Sawyer 1978-7-6 1036 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC1265465  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou near Abbott Lake (Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC30533  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Cabin 2165 Comment
  HSC76726  Trisetum spicatum K. T. Stillman 1976-8-8 398 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  UCD78066  Trisetum spicatum Robert E. Preston 2001-8-26 1769 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  CAS-BOT-BC522335  Triteleia hyacinthina Alice Eastwood 1923-5-27 11957 Siskiyou Shasta Springs Comment
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  SBBG95899  Tsuga mertensiana J. F. Davidson, J. M. Tucker 1947-8-17 1564 Siskiyou 200' below summit on N side of Scott Mtn 2011 Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC404217  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  CHSC69748  Vaccinium cespitosum Loren Gehrung 1996-9-19 108 Siskiyou The Eddys. Jcn of County Rd 26 and Gumboot Creek, at Gumboot Crossing. 1511 Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  HSC29307  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC44965  Vaccinium cespitosum J. O. Sawyer 1978-6-20 3276 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC1190117  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  UC1409421  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou mid-trail between Diamond Lake and Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC642554  Vaccinium uliginosum subsp. occidentale unknown 1939-7-7 13606 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. Comment
  HSC100298  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13254 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC100307  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13281 Siskiyou At the junction of Hwy. 3 and Forest Service Rd. 17. 1001 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  HSC30442  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Tyler Cabin 1997 Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  RSA238775  Veronica americana Frederick W. Oettinger 1969-8-21 1478 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD76150  Veronica anagallis-aquatica Helen V. Witham 1969-10-7 585 Siskiyou At bridge to Indian Scotty Campground, Scott River, 10 Mi. west of Ft. Jones 700 Comment
  JEPS83001  Veronica catenata L. R. Heckard 1971-8-28 2782 Siskiyou about 5 mi n of Yreka (on old U.S. Highway 99, under and e of bridge across Shasta River); Shasta River 731 Comment
  JEPS101395  Veronica copelandii Dean W. Taylor 1988-7-11 9973 Siskiyou The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  CAS-BOT-BC238135  Veronica copelandii Helen K. Sharsmith 1960-8-27 4840 Siskiyou Scott Mountains. Near ridgetop between Marshy and Mosquito lakes, northeast-facing. Salmon-Trinity Alps Wilderness Area, Shasta National Forest Comment