Search Results — 2000 specimen records retrieved (1350 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  SBBG133153  Abies concolor B. C. Templeton 1968-6-13 11331 Siskiyou Mt Shasta, on rd to ski bowl 2835 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  JEPS42681  Acer glabrum Geo. D. Butler 1908-8-5 531 Siskiyou Wooley Creek Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  RSA300515  Acer glabrum var. torreyi John Dourley, Walter Wisura 1982-10-17 3880 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
Read comments
May 21 2014
  POM137064  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  SEINET7892718  Acer negundo subsp. californicum G. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC1190232  Achillea millefolium Ira L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC30441  Achillea millefolium Doris K. Kildale 1929-7-20 8732 Siskiyou Raspberry Lake, near east slope Preston Peak Comment
  HSC44579  Achlys triphylla Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  CAS-BOT-BC110707  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  UCD50899  Achnatherum occidentale R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  UCD37095  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD51162  Achnatherum occidentale subsp. californicum A. H. Murphy 1959-7-21 59 D Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  UCD51195  Achnatherum occidentale subsp. pubescens A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3384 Siskiyou 1.5 miles northeast of Weed. Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  CAS-BOT-BC29149  Achyrachaena mollis L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  SEINET6700613 Image available Achyrachaena mollis G. D. Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  HSC34  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 437 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC2417  Aconogonon davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn. 2470 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  HSC68883  Adiantum aleuticum Maralyn A. Renner 1980-6-23 980 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  SEINET10470216  Adiantum aleuticum G. B. Grant 1902-9-2 Grant UMO 32128 Siskiyou Collected at Shasta Springs northern keal. Comment
  UCD137057  Adiantum aleuticum B. Crampton 1956-8-21 3836 Siskiyou White Ridge, canyon of the South Fork of the Sacramento River. 1371 Comment
  JEPS107660  Aegilops cylindrica Lowell Ahart, John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC1475696  Agastache parvifolia Clifton and Ground 1978-6-19 1310 Siskiyou near Bray (close to town of Macdoel); Bray Quad. 1403 Comment
  HSC58926  Agastache urticifolia Marvin Butler 1971-8-19 200 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC61852  Agastache urticifolia Ruby Van Deventer 1938-7-17 Siskiyou Poker Flat 1585 Comment
  HSC77050  Agastache urticifolia K. T. Stillman 1976-7-7 171 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC21373  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Upper meadows of Marble Valley Comment
  SEINET6709771 Image available Agoseris glauca var. glauca G. D. Butler 1910-6-19 1589 Siskiyou Darry Land, Goosenest Foothills 1524 Comment
  CHSC91257  Agoseris grandiflora Lowell Ahart; John Dittes 2005-6-10 12128 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC13187  Agoseris monticola Alice Eastwood 1921-7-28 10922 Siskiyou Medicine Lake Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA184778  Agrostis Gilbert Muth 1966-7-31 478 Siskiyou North side of Black Mountain, Marble Mountains. 2073 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  POM115804  Agrostis exarata Geo D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  UCD52547  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou 1/2 mile northeast of Gumboot Lake, headwaters of the south fork of the Sacramento River. 1767 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA14318  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou West side of Medicine Lake 1982 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  HSC22461  Agrostis variabilis J. O. Sawyer 1969-8-5 1962 Siskiyou Slopes W of S Sugar Creek 1799 Comment
  RSA238338  Agrostis variabilis Frederick W. Oettinger 1969-9-2 1604 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCR143549  Agrostis viridis L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  JEPS29773  Allium amplectens Lauramay T. Dempster 1961-7-3 1866 Siskiyou se Callahan (w face of Scott Mountain); Scott Mountain Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  SBBG30569  Allium campanulatum D. Myrick 1968-6-27 2049 Siskiyou Preacher's Peak above Big Flat, head of Coffee Crk 2133 Comment
  HSC58904  Allium falcifolium Marvin Butler 1971-7-5 5 Siskiyou Near El Capitan Lake 1738 Comment
  CAS-BOT-BC469250  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou Ridge just above Grouse Lake (head waters of Grouse Creek) 1737 Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC474286  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69111  Allium validum Maralyn A. Renner 1980-8-6 2304 Siskiyou Cracker Meadow 1555 Comment
  JEPS61510  Allium validum George D. Butler 1908-8-3 109 Siskiyou near Log Lake; Shackleford Creek 1524 Comment
  RSA126291  Allium validum I. L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA607568  Allotropa virgata Barbara M. Leitner 1996-8-14 96 -002 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateu. Comment
  CAS-BOT-BC171246  Alnus L. E. Smith 1913-3-29 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC171398  Alnus incana subsp. tenuifolia L. E. Smith 1914-6-24 719 Siskiyou Sisson Comment
  CAS-BOT-BC171407  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 miles W of Mt. Shasta City 1066 Comment
  CAS-BOT-BC171411  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  HSC4965  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 305 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  JEPS94898  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9178 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC1258474  Alyssum alyssoides Maralyn A. Renner 1980-6-22 928 Siskiyou 1 mi n of Little Shasta River (Klamath National Forest); Klamath National Forest 1402 Comment
  CAS-BOT-BC17200  Alyssum alyssoides Alice Eastwood 1923-5-23 11935 Siskiyou Cantara. S.P.R.R. Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC18600  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Between Sisson and Barnard station. Comment
  CAS-BOT-BC142875  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1912-7-21 1270 Siskiyou Sisson Comment
  HSC101840  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13177 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  RSA237651  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC136899  Amelanchier utahensis John Thomas Howell 1939-8-6 15098 Siskiyou Elk Mt., Marble Mts. Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  UCR17262  Amelanchier utahensis Frank C. Vasek 1975-6-29 750629- 06 Siskiyou Gazelle Summit, 11.6 mi SW of Gazelle Comment
  HSC3527  Amsinckia tessellata R. C. Wunner 1965-6-22 256 Siskiyou Lava Beds National Monument, Canby Bay. 1220 Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  CAS-BOT-BC391861  Anemone drummondii C. L. Hitchcock; J. S. Martin 1939-7-9 5315 Siskiyou North side of Black Mt. near Marble Mt. 2072 Comment
  HSC58912  Anemone multifida Marvin Butler, J. L. Kraemer 1971-7-11 91 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC1409273  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou along trail just n. Crapo Peak rdige; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2194 Comment
  CAS-BOT-BC391974  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  RSA142621  Anemone occidentalis P. A. Munz 1960-8-22 24184 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  CAS-BOT-BC59284  Antennaria argentea Roxana S. Ferris; Laura Lorraine 1948-6-12 11724 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  SEINET2038331  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  UC485658  Antennaria geyeri M. K. Curran Jul 1887 Siskiyou Ager Comment
  UC891579  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on highway #49) 1066 Comment
  UC891587  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou McCloud Comment
  CAS-BOT-BC58723  Antennaria geyeri L. E. Smith 1915-7-9 s.n. Siskiyou Near Sisson Comment
  RSA93675  Antennaria geyeri F. W. Peirson 1923-7-20 3893 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  HSC27485  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer 1972-5-27 5354 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC29213  Antennaria rosea subsp. rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC102271  Anthemis cotula R. E. Frenkel 1964-10-2 874 Siskiyou On south-west side of Everitt Memorial Highway 1524 Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  RSA425832  Antirrhinum vexillocalyculatum subsp. breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5724 Siskiyou Road 8, 3.5 miles from junction with French Creek road. 915 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 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
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  UC1034601  Apocynum androsaemifolium Douglas Barbe 1955-6-30 53 Siskiyou just w. of Forest camp Etna 914 Comment
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 Comment
  CAS-BOT-BC407124  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  HSC728  Aquilegia formosa William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin 1982 Comment
  UC922384  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1949-7-20 5820 Siskiyou above Paradise Lake; Marble Mtns 1920 Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA211138  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake basin. 1677 Comment
  RSA0125738  Arabis breweri Frederick W. Oettinger 1969-7-15 1024 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA0125740  Arabis breweri L. P. Janeway 1983-9-10 650 Siskiyou South ridge of Little Grayback Mtn. 1738 Comment
  HSC39213  Arabis breweri var. breweri J. P. Smith 1976-5-4 8669 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  UC618764  Arabis glabra Reed Rollins 1938-7-15 11200 Siskiyou Bear Springs, meadow between Bear Springs creeks Mount Shasta 1524 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 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
  JEPS84111  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
  UC1173728  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi above mouth of Salmon River) 182 Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  RSA45328  Arabis subpinnatifida Dorothy Parker 1947-3-30 164 Siskiyou East side of Scott Valley near Hartstrand Gulch. 866 Comment
  UC1001157  Arabis subpinnatifida Dorothy Parker 1947-5-30 167 Siskiyou e side Scotts Valley; Siskiyou Mountains 865 Comment
  CAS-BOT-BC171030  Aralia californica L. E. Smith 1913-7-4 453 Siskiyou North fork Castle Creek Comment
  CAS-BOT-BC407726  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  SEINET2471353  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -51 Siskiyou Yellow Jacket Ridge on trail to Chimney Rock Lake 1250 Comment
  JEPS40133  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  SEINET2116924  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-11 2004 -31 Siskiyou Snowslide Lake. Trinity Alps Wilderness Area 1975 Comment
  SEINET11996228  Arctostaphylos klamathensis F. T. Callahan 1982-1 6045 Siskiyou intersection of main rd into wilderness area & spur rd ca 1.5 mi W of Scott Mt Campground 1829 Comment
  HSC22079  Arctostaphylos nevadensis J. O. Sawyer 1969-6-10 1305 Siskiyou Above S Sugar Lake, SE facing slope 2165 Comment
  HSC4919  Arctostaphylos nevadensis J. O. Sawyer 1968-6-18 223 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC4923  Arctostaphylos nevadensis J. O. Sawyer 1968-7-22 531 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS124855 Image available Arctostaphylos nevadensis Himayat H. Naqvi 1965-7-20 156 Siskiyou 200 feet north of the Ski level club, Mount Shasta. Comment
  SEINET11990949  Arctostaphylos nevadensis W. Knight, Knight, I. 1983-1 4885 Siskiyou Terrace Lake 1890 Comment
  SEINET11991025  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 102 Siskiyou on Cook & Green Pass E of pass 1524 Comment
  CAS-BOT-BC45413  Arctostaphylos nevadensis subsp. knightii Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp Road, near Oregon State line. Comment
  CAS-BOT-BC46469  Arctostaphylos patula Alice Eastwood 1917-9-2 6683 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46477  Arctostaphylos patula 1911-6-15 s.n. Siskiyou Jackson Lake. Comment
  CAS-BOT-BC46492  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta. Comment
  HSC68377  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1211 Siskiyou N edge of Flint Valley 1390 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  UC796519  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11771 Siskiyou on Forks of Salmon Rd about 6 mi from Etna 1706 Comment
  SEINET11988200  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cook & Green Pass 1372 Comment
  SDSU2844  Arctostaphylos viscida D. F. Howe 1961-8-3 3128 Siskiyou North of Klamouth River, 36 miles east of Happy Camp. 488 Comment
  CAS-BOT-BC47023  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  HSC61205  Arnica cordifolia Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC46236  Arnica cordifolia Jennifer Whipple 1976-7-1 1276 Siskiyou Mt. Eddy 2317 Comment
  UC1540129  Arnica dealbata Dean W. Taylor 1987-6-26 9071 Siskiyou 2 mi w Medicine Lake (on the sw side of Little Mount Hoffman near summit); Little Mount Hoffman 2209 Comment
  HSC62618  Arnica diversifolia Al Hobart 1967-8-17 Siskiyou Young's Valley Comment
  CAS-BOT-BC82660  Arnica latifolia H. A. Thomas; J. H. Thomas 1954-7-24 4490 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  HSC96833  Arnica latifolia S. Lyon, J. McIntire 2006-6-25 26 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  RSA237422  Arnica latifolia Frederick W. Oettinger 1967-7-30 220 Siskiyou Near the campsite at the N end of Abbotts lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  UC1408813  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou in gorge below, (the high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC609312  Arnica ovata Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC90084  Arnica viscosa R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC49949  Arnica viscosa Muth, Overton 1979-8-12 13687 Siskiyou Near Cliff Lake, close to the town of Fort Jones 1952 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  JEPS37041  Artemisia douglasiana Geo. D. Butler 1908-8-14 311 Siskiyou near Yreka (upper field); Butlers Ranch Comment
  SEINET6775399 Image available Artemisia douglasiana G. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  SEINET7239372 Image available Artemisia tridentata G. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  CAS-BOT-BC400706  Asarum hartwegii Elmer I. Applegate 1895-5-29 649 Siskiyou Sacramento Canyon below Sisson Comment
  SEINET10637017  Asclepias fascicularis George D. Butler 1910-6-29 Butler 1613 Siskiyou Near Yreka Comment
  POM129817  Asclepias speciosa Geo. D. Butler 1910-6-8 s.n. Siskiyou Dry land near Yreka Comment
  RSA577173  Aspidotis densa L. C. Wheeler 1934-8-26 3224 Siskiyou Trapper Creek Comment
  SEINET3868735  Aspidotis densa David B. Dunn, Conrad; LeDoux 1973-6-3 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville.; 0 Comment
  UCSB17935  Aspidotis densa Hardham, Clare 1961-7-3 Siskiyou Scott Mountains, S of Calahan Comment
  RSA119374  Astragalus accidens var. hendersonii S. S. Tillett 1956-7-9 670 Siskiyou Along ridge running n. from NW side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos. line, ca. 8 mi. SE of Callahan. 1951 Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  CAS-BOT-BC186919  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou SE. corner of Siskiyou Co. Comment
  JEPS87067  Astragalus inversus Dean Wm. Taylor and Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater, Modoc Plateau); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  CAS-BOT-BC194434  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  HSC71345  Astragalus purshii var. lectulus J. P. Smith 1976-5-22 8782 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC1333513  Astragalus purshii var. purshii John F. Davidson 1947-5-17 4634 Siskiyou 5 mi from Callahan, 27 mi from Trinity Center, at first summit of Scott Mt. Road on n slope of Scott Mt. Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  HSC92424  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-7-2 1264 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC34420  Astragalus whitneyi var. siskiyouensis A. M. Montalvo, J. D. Ackerman 1974-7-2 342 Siskiyou Sacramento River drainage between Mt. Shasta and Mt. Eddy, along road to Deadfall Lakes and Morgan Meadows. 1524 Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC42680  Athyrium distentifolium var. americanum W. H. Brewer 1862-9-13 1372 Siskiyou Mt Shasta 2743 Comment
  UC399393  Athyrium distentifolium var. americanum Geo. D. Butler 1909-7-15 876 Siskiyou head of Taylor Creek Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC66201  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-13 1074 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  UC637169  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1032 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  HSC36729  Athyrium filix-femina var. cyclosorum Brent Whiteley 1975-7-1 112 Siskiyou 671 Comment
  CAS-BOT-BC17619  Athysanus pusillus W. J. Crins; et al 1988-4-18 7431 Siskiyou Klamath National Forest. 10 km. west of I-5 on Highway 96, Tree-of-Heaven Camp. Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC106549  Balsamorhiza deltoidea C. L. Hitchcock; J. S. Martin 1939-7-6 5211 Siskiyou Siskiyou Mts., on teh summit on Takilma-Happy Camp Road 1676 Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  JEPS32268  Balsamorhiza lanata Geo. D. Butler 1909-4-14 635 Siskiyou Block 5 Yreka Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  HSC75155  Balsamorhiza sericea Thomas W. Nelson, Jane P. Nelson 1979-5-26 4716 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  CAS-BOT-BC145847  Beckmannia syzigachne Dorothy Parker 1950-6-21 s.n. Siskiyou Scott Valley (Fay Lane). 853 Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC75947  Berberis piperiana Alice Eastwood 1912-8-28 1959 Siskiyou Cantara. Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  JEPS16041  Berula erecta Willis L. Jepson July 1894 14212 Siskiyou Sisson Comment
  CHSC91250  Betula occidentalis Lowell Ahart; John Dittes 2005-6-10 12072 Siskiyou On the north side of the Shasta River, near rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC102121  Bidens cernua L. E. Smith 1913-9-14 s.n. Siskiyou Mi. Eddy Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  UCD129599  Blepharipappus scaber Daryl Koutnik; Martha Townsend 1979-9-10 593 Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  CAS-BOT-BC15798  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  UC61665  Boechera platysperma Geo. B. Grant Sep 1902 5097 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC25608  Boechera retrofracta Reed Rollins 1940-7-26 15365 Siskiyou Mount Shasta. Along Diller Canyon. 1828 Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CAS-BOT-BC25923  Boechera suffrutescens Doris K. Kildale 1928-8-20 6597 Siskiyou Lily Pad Lake near Hancock Lookout trail to Marble Mountain. 2133 Comment
  CAS-BOT-BC25926  Boechera suffrutescens Thomas W. Nelson; Jane P. Nelson 1980-7-17 6094 Siskiyou Along Forest Service road 17, 0.5 mile north of summit at county line. Comment
  UC1409255  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou e bank Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  UCR108347  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mtns, South fork Indian Creek, near Happy Camp 333 Comment
  SEINET10615085 Image available Brickellia greenei Edward L. Greene 1870-8-24 Greene 1012 Siskiyou At head of Scott River. Comment
  RSA68950  Brodiaea multiflora A. E. Culbertson 1943-7-1 8 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  SEINET10533843  Brodiaea multiflora Edward L. Greene 1876-6-5 Greene 822 Siskiyou Collected near Yreka, Calif. Comment
  JEPS74567  Bromus carinatus var. carinatus W. J. Ferlatte 1966-6-23 138 Siskiyou Trinity Alps, along the Yellow Rose Mine Trail Yellow Rose Mine Trail; Trinity Alps, Yellow Rose Mine Trail 1676 Comment
  UC1265359  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-13 1351 Siskiyou Salmon Mountains, English Peak, western Siskiyou County English Peak; Salmon Mountains, English Peak 2133 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  UCD58275  Bromus carinatus var. marginatus Mr. Roseman 1913-1 9 Siskiyou Butte Valley. Comment
  CAS-BOT-BC155959  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mountains. Cottonwood Creek. 914 Comment
  HSC9169  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Cottonwood Creek. 915 Comment
  CAS-BOT-BC155220  Bromus hordeaceus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53574 Siskiyou Yreka. 822 Comment
  UCD146710  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  RSA239076  Bromus orcuttianus Frederick W. Oettinger 1969-8-4 1157 Siskiyou near Halfway Spring between English Lake & Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  CAS-BOT-BC162130  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou Along ridge between upper reaches of China and Blind Horse Creeks, south side of South Fork of Salmon River. 1645 Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC164911  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou near Yreka Comment
  HSC42924  Bromus vulgaris J. O. Sawyer, Ken Stillman 1976-7-2 2819 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC185264  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  HSC22853  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1831 Siskiyou Above Sugar Lake 2134 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 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
  UC166502  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek 1371 Comment
  RSA237963  Callitriche heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Inlet meadow to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET10872529  Calochortus coeruleus var. fimbriatus Mary Susan Taylor 1980-7-8 Taylor 3109 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  CAS-BOT-BC488603  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  CDA39291  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC81989  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1979-6-16 4867 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA120642  Calochortus nudus G. D. Barbe 1955-7-28 300 Siskiyou Just west of Scott Mountain Forest Camp along the Siskiyou - Trinity County line, Klamath Mountains 1616 Comment
  RSA124163  Calochortus persistens Marion Ownbey, S. J. Preece Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka [8W?] Comment
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Jan 10 2020
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC181508  Caltha leptosepala A. A. Heller 1915-7-15 12086 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  SBBG51815  Calyptridium monospermum R. N. Philbrick 1976-7-2 Siskiyou S side of Sugar Lake, Klamath Nat Forest 1828 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  UC61049  Calystegia occidentalis subsp. occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CDA3580  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC64498  Camissonia tanacetifolia J. P. Smith, Steve Selva 1970-8-9 4586 Siskiyou By Grass Lake Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  SEINET10463266  Campanula prenanthoides Samuel B. Parish 1902-9-13 Parish E 2000 Siskiyou DUNSMUIR MOIST BANK Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  SEINET10463886  Campanula wilkinsiana Cooke 1946-9-2 COOKE 17642 Siskiyou In Horse Camp water supply spring above Horse Camp, Mount Shasta 2515 Comment
  CAS-BOT-BC37192  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CHSC102551  Cardamine bellidifolia var. pachyphylla L. P. Janeway 2009-8-3 9886 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 780 Comment
  UC1181803  Cardamine pensylvanica Dorothy Parker 1950-5-21 432 Siskiyou edges of swamp in Fay Lane (Scott Valley); Siskiyou Mountains, Scott Valley 853 Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC144184  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CHSC88397  Carex athrostachya Jenny Marr 1993-7-1 156 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC19652  Carex brainerdii William Bridge Cooke 1939-8-10 13859 Siskiyou Mount Shasta. Along the bottom of Mud Creek Canyon. 1981 Comment
  CHSC98584  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1983-7-29 7506 Siskiyou Along Forest road 41N14 5 miles north of junction with Callaghan-Cecileville county road at crossing over Sugar Creek. 1432 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  RSA237265  Carex deflexa var. boottii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  JEPS25915  Carex densa W. L. Jepson July, 1884 51 a Siskiyou Sisson Comment
  HSC82373  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4526 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  UC195520  Carex feta Geo. D. Butler 1909-6-13 807 Siskiyou Oro Fino Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  CAS-BOT-BC7598  Carex inops subsp. inops Ralph K. Gierisch 1968-8-6 3363 Siskiyou Elk Flat in Shasta-Trinity National Forest. 1310 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  CAS-BOT-BC35525  Carex jonesii A. A. Heller 1922-7-15 13706 Siskiyou Medicine Lake 2133 Comment
  HSC29639  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  UC1576760  Carex jonesii Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9025 Siskiyou Paynes Springs Upper Modoc Plateau, Medicine Lake highland 2011 Comment
  CAS-BOT-BC31104  Carex lemmonii J. W. Stacey 1939-7-13 13647 Siskiyou Along Squaw Valley Creek in the Heather Meadow. 2377 Comment
  CHSC96004  Carex lemmonii L. P. Janeway 2006-7-4 8784 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC81977  Carex lenticularis var. impressa Thomas W. Nelson, Jane Nelson 1979-6-16 4862 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  HSC37424  Carex leptopoda J. O. Sawyer 1969-8-5 1955 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC29664  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Marble Mtn. Wilderness Area, dry meadow below Tobacco Lake 1890 Comment
  HSC58920  Carex mertensii Marvin Butler 1971-8-31 318 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  UCD140661  Carex multicaulis S. S. Tillett 1956-7-9 656 Siskiyou Siskiyou-Trinity County line: south-facing slope above Masterson Meadow, east side of Scott Mountain, around 8 mile southeast of Callahan. 1828 Comment
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  HSC85798  Carex multicostata L. P. Janeway 1983-9-11 678 Siskiyou Poker Flat 1524 Comment
  HSC76849  Carex multicostata L. P. Janeway 1982-8-13 124 Siskiyou Along the Kelsey Trail 1738 Comment
  HSC9  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1677 Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  UCR45816  Carex nudata L. P. Janeway 1983-7-30 461 Siskiyou Condrey Mtn. Q., North side of Klamath River at the Walker Bridge 518 Comment
  HSC76395  Carex nudata L. P. Janeway 1982-8-14 132 Siskiyou Along N shore of Klamath River 427 Comment
  SEINET12774821  Carex nudata P. E. Hyatt 2002-8-6 11144 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  SEINET10711984  Carex ormantha Louis C. Wheeler 1935-7-26 Wheeler 3721 Siskiyou Wet sunny meadow. Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. 1951 Comment
  CHSC86629  Carex praegracilis Jenny Marr 1993-7-1 12 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS117599  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) s 716 Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  CAS-BOT-BC117908  Carex scabriuscula Peter H. Raven 1956-9-4 10382 Siskiyou Ridge S of Mt. Eddy 2286 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC30553  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC7173  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mtns. 1829 Comment
  SEINET4292103 Image available Carex straminiformis Unknown 2006-1 8776 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET10912836  Carex subfusca George D. Butler 1910-5-29 Butler 1426 Siskiyou Slough near Yreka. Comment
  UCD140918  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1280 Comment
  SEINET10751195  Carex teneriformis A. Arthur Heller 1922-7-15 Heller 13708 Siskiyou Common in moist meadows at Medicine Lake. Canadian. 2134 Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  CAS-BOT-BC114816  Carex whitneyi Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  JEPS95093  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  JEPS74507  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  CAS-BOT-BC248990  Castilleja Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  CAS-BOT-BC249375  Castilleja applegatei Elmer I. Applegate 1936-7-3 10499 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  HSC19025  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-25 1521 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  JEPS55948  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. R. Heckard 1968-7-3 6448 Siskiyou s of Black Butte Comment
  UCR136766  Castilleja applegatei var. fragilis E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City 1098 Comment
  CAS-BOT-BC243758  Castilleja applegatei var. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  JEPS23283  Castilleja arachnoidea Rimo Bacigalupi with Dr. Lincoln Constance 1959-6-16 7152 Siskiyou just e Mt. Shasta Ski Bowl Lodge (fields above Panther Meadow, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  RSA429371  Castilleja arachnoidea M. B. Dunkle 1945-08 9291 Siskiyou Klamath Nat'l Forest. Marble Mtns. 2439 Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  CAS-BOT-BC254014  Castilleja miniata Alice Eastwood 1921-7-24 10790 Siskiyou Castle Lake Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC58883  Castilleja miniata Butler 1971-7-19 147 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  RSA0010947  Castilleja minor subsp. minor L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1978-7-18 4872 Siskiyou West of Table Rock, 9 air miles east of Montague. 854 Comment
  CAS-BOT-BC241052  Castilleja pilosa Alice Eastwood 1921-7-28 10888 Siskiyou Medicine Lake Comment
  CAS-BOT-BC26229  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Station Comment
  HSC65287  Castilleja pruinosa Rich White 1978-7-6 257 Siskiyou Pond above Elk Hole 1524 Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  RSA428398  Castilleja pruinosa M. B. Dunkle 1945-7-19 9226 Siskiyou Sky-High. Klamath Nat'l Forest. Marble Mts. Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  POM85997  Ceanothus cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou Yreka Comment
  SEINET3110808  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou Along Road 8 to Sugar Lake trail. Comment
  CAS-BOT-BC50246  Ceanothus integerrimus Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  HSC42900  Ceanothus integerrimus J. O. Sawyer, Ken Stillman 1976-5-29 2733 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC61168  Ceanothus integerrimus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson Comment
  CAS-BOT-BC50243  Ceanothus integerrimus J. Cromwell; A. Thoele; J. Schneider 1994-5-16 077 Siskiyou 5 mi. W of Seiad Valley on Hwy 96 390 Comment
  CAS-BOT-BC50690  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-20 1251 Siskiyou Hornbrook Comment
  HSC101755  Ceanothus integerrimus var. macrothyrsus J. P. Smith, J. O. Sawyer 2011-9-3 13403 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  HSC43473  Ceanothus prostratus Maralyn O'Meara 1974-5-25 385 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  JEPS83631  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou US Forest Svc Rd 47N01 ca 0.5 mi n of bridge over W Fork (Jaynes Cyn below confluence of Jaynes Crk and W Fork of Beaver Crk, nw of Klamath River (town), Jaynes Cyn..); below confl Jaynes Crk and W Fork Beaver Crk, Jaynes Cyn dra 987 Comment
  CAS-BOT-BC63200  Ceanothus velutinus Alice Eastwood 1921-7-28 10890 Siskiyou Little Mt. Hoffman. Comment
  RSA381134  Ceanothus velutinus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  RSA398978  Ceanothus velutinus Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  UC642534  Ceanothus velutinus W. Bridge Cooke 1939-7-14 13674 Siskiyou along the Sisson Southern Trail; Mount Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC276996  Centaurea diffusa R. E. Frenkel 1964-10-2 875 Siskiyou On the south side of Everitt Memorial Highway in a pulloff area near McBride Springs turnoff, near Mount Shasta 1493 Comment
  CDA36763  Centaurea diffusa D. B. Joley 1976-5-13 7 Siskiyou Lake Siskiyou. 0 Comment
  CDA7263  Centaurea maculosa T. C. Fuller 1967-8-15 16261 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CHSC114370  Centaurea solstitialis Steve Orloff 2011-9-1 Siskiyou From a property along the Klamath River. Comment
  CDA37702  Centaurea squarrosa Breckenridge 2006-7-15 s.n. Siskiyou Weed, Terrace Drive, near Siskiyou College. 0 Comment
  OBI54096  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  UC166200  Centaurium venustum Geo. D. Butler 1908-7-10 1020 Siskiyou near Yreka Comment
  CAS-BOT-BC288797  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  HSC4098  Cerastium glomeratum Geo. D. Butler 1909-4-14 636 Siskiyou Yreka Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  UC75405  Cercocarpus betuloides var. macrourus Copeland 1903-7-14 3504 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  UC1733685  Cercocarpus ledifolius Frank Gould, Kay H. Beach 1940-5-16 1253 Siskiyou about 11 mi W of Mt. Hebron ( summit of Bald Mountain grade) Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  CAS-BOT-BC148531  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CHSC36164  Cercocarpus ledifolius var. ledifolius K. Bridwell 1978-7-7 176 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1615 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  CAS-BOT-BC106037  Chaenactis suffrutescens Brandegee s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  UC1303146  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou a short distance from Castle Crags (near Castle Lake, n source of the Sacramento River); Sacramento River, Castle Lake Comment
  CAS-BOT-BC141582  Chamaebatiaria millefolium Wm. Bridge Cooke 1938-8-24 11579 Siskiyou In a small ravine west of Bolam Creek - Mount Shasta 2133 Comment
  CHSC30244  Chamaebatiaria millefolium M. S. Taylor; J. Prouty, E Heinitz. 1980-8-19 3267 B Siskiyou Se side of Little Glass Mt. 1950 Comment
  CHSC98913  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9132 Siskiyou Modoc Plateau. Next to the southern lobe of the Callahan Flow, along Road 44N01 1.7 km south-southwest of Cinder Butte. 1795 Comment
  HSC67707  Chamaecyparis lawsoniana John Palmer 1980-7-24 607 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  NY19023  Chamaecyparis lawsoniana H. E. Brown 1897-6-1 s.n. Siskiyou Near Sisson 1083.6 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. Comment
  RSA275401  Chamaecyparis nootkatensis J. O. Sawyer, E. Cope 1977-6-20 2963 Siskiyou Open rocks behind Devil s Punchbowl 1829 Comment
  JEPS24811  Chamaesyce serpyllifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6822 Siskiyou 7 mi e Callahan 1127 Comment
  HSC19497  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-1 1670 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC19502  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-23 1169 Siskiyou Near Horse Range Creek. 1341 Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  UC618845  Cheilanthes gracillima W. Bridge Cooke 1938-8-18 11491 Siskiyou Lower Horse Camp Slopes Horse Camp; Mt Shasta Comment
  RSA602927  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  SEINET8671711 Image available Cheilanthes gracillima W. Bridge Cooke 1937-1 9094 Siskiyou Mt. Shasta, horse camp 2438 Comment
  RSA238385  Chenopodium Frederick W. Oettinger 1969-8-14 1370 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC1540165  Chenopodium rubrum Dean W. Taylor 1987-8-9 9293 Siskiyou along Hwy 161 (OR border) 8.3 mi w Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  JEPS90821  Chenopodium simplex Dean W. Taylor 1987-8-9 9292 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  RSA238329  Chimaphila menziesii Frederick W. Oettinger 1969-8-5 417 Siskiyou Forest on s. side Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CHSC33839  Chimaphila umbellata J. D. Prouty 1981-7-13 1233 Siskiyou W slope of Lookout Point. 1615 Comment
  HSC73224  Chimaphila umbellata Gail Newton 1980-6-20 519 Siskiyou Near Bald Mtn. 1326 Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  UCR52373  Chimaphila umbellata Barry Silver 1986-5-24 621 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  RSA758592  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  POM146273  Chimaphila umbellata subsp. occidentalis J. B. Feudge 1927-7-22 1728 Siskiyou Trail to Mt. Eddy. 1128 Comment
  CAS-BOT-BC36379  Chrysolepis chrysophylla Doris K. Kildale 1928-8-20 6626 Siskiyou at lead of north Fork Salmon River, Finleys upper Camp Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  JEPS15736  Cicuta douglasii Willis L. Jepson July, 1894 14230 Siskiyou Mount Shasta, Sisson, Camp 1 Sisson; Mount Shasta, , Camp 1 Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  UC637107  Circaea alpina subsp. pacifica Annetta Carter 1934-8-13 706 Siskiyou Happy Camp (CA) to Waldo (Oregon) rd. (W. Branch Indian Creek); Klamath Nat'l Forest, W. Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC71093  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mtn summit. 1585 Comment
  JEPS25880  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  SD110302  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below a log truck loading area, both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  CAS-BOT-BC278050  Cirsium cymosum A. A. Heller 1905-6-22 s.n. Siskiyou Between Igerna and Weed Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  CDA35789  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  UC30779  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 B Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC279883  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC288766  Cirsium remotifolium Thomas W. Nelson; Jane P. Nelson 1980-7-19 6197 Siskiyou Coffee Creek Quad. Along FS Road 39N01 ca 1 mile from junction with FS Rd 39N01 365 Comment
  CAS-BOT-BC288779  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 8 miles from Sawyer's Bar on road to Cecilville 792 Comment
  CAS-BOT-BC286462  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  HSC16270  Clarkia rhomboidea R. C. Wunner 1965-6-29 296 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  POM208195  Clarkia rhomboidea Louis C. Wheeler 1934-6-19 2740 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA448345  Clarkia rhomboidea Louis C. Wheeler 1934-6-2 2611 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  RSA458875  Clarkia rhomboidea M. B. Dunkle 1944-6-25 9030 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC292669  Claytonia obovata Ira L. Wiggins 1950-5-28 12393 Siskiyou 0.3 miles west of Carmen Lake 1706 Comment
  SBBG15810  Claytonia palustris D. Myrick 1961-6-20 289 Siskiyou Bear Springs, Mt Shasta E of Mt Shasta City 1676 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  RSA238296  Claytonia rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CDA23964  Claytonia rubra subsp. depressa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2603 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CHSC34843  Claytonia rubra subsp. rubra M. S. Taylor 1980-6-20 2940 Siskiyou On both sides of Military Pass Rd, among the sagebrush, ca. 4 mi s of Klamath Falls Hwy, ne of Mt. Shasta. Comment
  HSC44889  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 405 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC29462  Claytonia rubra subsp. rubra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1253 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Basin 1829 Comment
  SEINET7042821  Claytonia rubra subsp. rubra A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  CHSC96592  Claytonia sibirica L. P. Janeway 2006-7-1 8722 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC76978  Claytonia sibirica K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UCR66723  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou Upper waters of Coffee Creek, Trinity Alps 1463 Comment
  CAS-BOT-BC92763  Clematis ligusticifolia Doris K. Kildale 1928-7-1 5318 Siskiyou Forks of Salmon. Comment
  CAS-BOT-BC92766  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  RSA386277  Clematis ligusticifolia Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  UC338808  Clintonia uniflora unknown 1444 Siskiyou near Shasta; California Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC142134  Clintonia uniflora Mrs. Legge Aug. 1900 Siskiyou Warm Castle Comment
  CHSC88115  Collinsia grandiflora Jenny Marr 1993-7-1 125 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC72580  Collinsia greenei J. P. Smith 1976-5-5 8681 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  HSC44972  Collinsia parviflora J. O. Sawyer 1978-6-20 3267 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  SJSU6055  Collinsia parviflora R. W. Trivelpiece 1971-6-16 37 Siskiyou N of Alder Cr divide between Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET3159394  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain 1219 Comment
  UC1112258  Collinsia rattanii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5961 Siskiyou along road to Gumboot Lake, South Fork of the Sacramento River 4 mi sw of junction with North Fork and w of the town of Mount Shasta South Fork of the Sacramento River 1432 Comment
  RSA165528  Collinsia rattanii Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA50224  Collinsia rattanii E. K. Balls 1949-7-9 13931 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  UCD123695  Collinsia torreyi var. latifolia W. C. Overton Jr. 1977-7-10 s.n. Siskiyou along trail from Big Flat to Sunrise Pass (between headwaters of Gulick Creek to northwest and Sunrise Creek to southeast) in area where trail leaves forest and enters large, open meadow and shurb area at head of Gulick Creek, Klamath National Forest. 2145 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  RSA237983  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou Along trail, English Lake to Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC230670  Collomia tracyi Alice Eastwood; John Thomas Howell 1937-6-26 5041 Siskiyou Salmon Mountains above Taylor Creek Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC180422  Comandra umbellata subsp. californica A. A. Heller 1905-6-1 7937 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CHSC72222  Conium maculatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9644 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  UC224205  Convolvulus arvensis H. E. Brown Jun 11 1897-Jun 16 1897 409 Siskiyou Mt. Shasta; n side 1524 Comment
  UC336582  Corallorhiza maculata unknown July 1879 Siskiyou near Shasta Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  RSA237632  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Steep west-southwest slope north-northeast of Pine Lake. The Salmon Mountains; high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  HSC19049  Corallorhiza mertensiana J. O. Sawyer 1969-7-25 1551 Siskiyou S of High Lake 2210 Comment
  JEPS70112  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1972-8-4 3149 Siskiyou southern edge Dunsmuir (near first Dunsmuir freeway exit) 822 Comment
  JEPS7008  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and se of) summit of road between Takilma, Ore. and Happy Camp, CA (drainage of West Branch of Indian Creek); Siskiyou Mountains, Klamath National Forest 914 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  LA40488  Cornus nuttallii Wm. Bridge Cooke; 1939-8-4 13804 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  RSA12595  Cornus nuttallii C. B. Wolf 1934-7-6 5991 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC210391  Cornus sericea Edward Lee 1934-8-13 1072 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  HSC34304  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1973-8-14 7300 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  UC1280732  Cornus sericea subsp. sericea H. E. McMinn 1931-6-27 2513 Siskiyou Mt. Shasta City Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  POM106653  Corylus cornuta var. californica Geo. D. Butler 1909-3-21 564 Siskiyou Oro Fino Hills. Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  RSA14481  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  CAS-BOT-BC376521  Crepis bakeri subsp. cusickii L. E. Smith 1914-5-14 699 Siskiyou Yreka Comment
  UC163903  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou thickets near Yreka Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  HSC78311  Crepis pleurocarpa L. P. Janeway 1983-8-26 614 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  UC604171  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou 4 mi s Oregon line (on road from Waldo to Happy Camp, summit of mts., at Del Norte Co. line); Siskiyou Mts., Poker Flat 1555 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  POM368920  Cryptantha Christopher Davidson 1975-6-5 2664 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC44935  Cryptantha affinis J. O. Sawyer 1978-6-19 3249 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC82249  Cryptantha affinis Thomas W. Nelson, Jane P. Nelson 1980-7-5 5982 Siskiyou Fowler's Campground 1006 Comment
  HSC99208  Cryptantha affinis Jennifer Whipple 1976-7-8 1370 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  CHSC63600  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1994-8-10 6455 Siskiyou Pilgrim Creek Rd. (FS 13) just E of Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  RSA256609  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1975 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  RSA238017  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Shasta Ridge, an open granitic rock ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  SEINET10529944  Cryptogramma crispa subsp. acrostichoides Mary Susan Taylor 1980-7-8 Taylor 3096 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  NY16609  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  UC1618394  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi n of Scott Mountain (summit on Hwy 3, at road junction); summit on Hwy 3 1371 Comment
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC114148  Cyperus squarrosus Doris K. Kildale 1928-7-25 5885 Siskiyou Klamath River at Mack's Creek near Hamburg. Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC1333339  Cystopteris fragilis Dorothy Parker 1949-8-3 359 Siskiyou near Paradise Lake Salmon Mt.; Siskiyou Mts. 1981 Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  JEPS121609  Danthonia intermedia Kendra Sikes 2011-9-14 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat wet meadow, over gabbro. China Mountain quadrangle. CLB_F Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UCD168832  Darlingtonia californica Barry Rice 2015-8-15 BR 150803 Siskiyou Small site on the side of Hwy 26. 1786 Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  RSA605527  Datisca glomerata L. C. Wheeler 1959-7-26 7608 Siskiyou Marble Mountains: Somes Bar. Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  UC673152  Delphinium decorum subsp. tracyi Lincoln Constance and Reed C. Rollins 1942-5-14 2926 Siskiyou basaltic knoll 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC9884  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  CAS-BOT-BC9882  Delphinium nudicaule George Dexter Butler 1909-4-18 599 Siskiyou Humbug Divide Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  CAS-BOT-BC116161  Delphinium nuttallianum Gilbert J. Muth 1966-7-17 407 Siskiyou Marble Mts. meadow on trail to Lookout. 1859 Comment
  HSC41686  Delphinium nuttallianum J. P. Smith 1976-5-21 8753 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  HSC81749  Delphinium nuttallianum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6193 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  CHSC61566  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Northwest edge of the meadow, on the upper side of the road. 1524 Comment
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  JEPS80519  Descurainia incana Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountain Wilderness Area; meadow above horse pasture 1804 Comment
  JEPS53412  Descurainia incisa subsp. incisa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek 1676 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  HSC26101  Dicentra pauciflora J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5684 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  UC1185288  Dicentra pauciflora H. E. Brown 1897-6-15 418 Siskiyou n side Mount Shasta 1524 Comment
  SEINET10859948  Dichanthelium lanuginosum A. Arthur Heller 1905-6-5 Heller s.n. Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  UC765914  Dichelostemma multiflorum unknown 1940-6-7 15093 Siskiyou between Mount Shasta City and Black Butte (along the Pacific Coast Highway (U.S. Hwy 99)) Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  UC609337  Dieteria canescens var. shastensis Eleanor Burks Hart 1938-8-16 943 Siskiyou Lower Wright Lake 2225 Comment
  CAS-BOT-BC291025  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC153454  Diplacus layneae Alice Eastwood 1912-7-17 1271 Siskiyou Sisson Comment
  CAS-BOT-BC153737  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou U. S. Highway 97, 8.3 miles north of Weed Comment
  SEINET8245390  Diplacus nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne of Weed along Hwy 97, nw side of road. 1150 Comment
  CDA6687  Dipsacus fullonum T. C. Fuller 1959-7-9 2911 Siskiyou West of Highway 99, north limits Mt. Shasta City. 0 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  HSC92946  Dodecatheon alpinum Jennifer Whipple 1976-6-12 972 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  RSA238734  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou On wet, cold, meadow at 'Bear Meadow' spring in saturated humus-located mid-way as the crow flies between Tom Taylor cabin and English Peak summit., The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  HSC43385  Dodecatheon conjugens Maralyn O'Meara 1974-5-26 461 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC1483417  Dodecatheon hendersonii Maralyn A. Renner 1980-7-23 1838 Siskiyou near ridge about 1 mi e Cook and Green Pass (s1/4 of ne1/4 Pacific Crest Trail, Klamath National Forest); Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1752 Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  UC562746  Dodecatheon jeffreyi Joseph P. Tracy 1935-8-1 14400 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); btw Salmon and New Rivers, Rock Lake, West Fork Knownothing 1889 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS94821  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1998-6-11 9225 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  CHSC88122  Downingia pulcherrima Jenny Marr 1993-7-1 132 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  CAS-BOT-BC41307  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  CAS-BOT-BC401590  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  HSC42906  Drymocallis glandulosa J. O. Sawyer, Ken Stillman 1976-5-28 2724 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC61835  Drymocallis glandulosa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 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
  CAS-BOT-BC158413  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1938-8-23 11570 Siskiyou Shastina, Mt. Shasta 2743 Comment
  HSC4381  Dysphania botrys R. C. Wunner 1965-9-1 496 Siskiyou Lava Beds National Monument, 1 mi. S of NW Ranger Station. 1220 Comment
  JEPS95047  Eleocharis engelmannii Vernon Oswald and Lowell Ahart 1997-7-28 8808 Siskiyou on e side of Forest Route 15, 10.9 mi n of Highway 89; Forest Route 15 1383 Comment
  HSC30716  Eleocharis macrostachya Frederick W. Oettinger 1968-9-5 716 Siskiyou Marble Mtn. Wilderness Area, inlet at SE side of Hancock Lake 1936 Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  CAS-BOT-BC112016  Eleocharis suksdorfiana Elmer Ivan Applegate 1995-5-28 s.n. Siskiyou Sacramento River below Sisson. 18th crossing of SPR Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  JEPS82281  Elymus elymoides subsp. elymoides Roger Raiche 1983-8-13 30592 Siskiyou Mt. Eddy; summit area, fell-field 2743 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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Jul 10 2014
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  HSC42919  Epilobium brachycarpum Ken Stillman 1976-8-31 458 Siskiyou E and N sides of Williams Point 366 Comment
  RSA15686  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1066 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  UC1190251  Epilobium ciliatum subsp. ciliatum Ira L. Wiggins 1955-7-22 13450 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  UC1409433  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou n side Horse's Hole (near Horse Range Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  HSC64496  Epilobium densiflorum J. P. Smith, Steve Selva 1970-7-17 4414 Siskiyou Along Klamath River. Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  POM256466  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1616 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC92085  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-6-30 1217 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC92786  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1977-7-21 2019 Siskiyou Near Durney Lake 2073 Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  UC157673  Epilobium lactiflorum Milo S. Baker 1898-8-1 509 Siskiyou bluffs sw Medicine Lake Comment
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  HSC70503  Epilobium minutum J. P. Smith 1973-5-5 6058 Siskiyou Along Cook and Green Pass Rd. Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC171833  Epilobium oreganum Alice Eastwood 1921-7-30 10999 Siskiyou Soda Creek Comment
  JEPS39227  Epilobium oregonense Willis L. Jepson 1894-8-4 14470 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  SEINET182276 Image available Equisetum hyemale L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek Siskiyou Mtns 1220 Comment
  UC1096837  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou w. side of camp Big Flat Public Camp (along footpath leading to spring); Klamath Nat'l Forest 1524 Comment
  UC637171  Equisetum laevigatum Edward Lee 1934-8-10 1201 Siskiyou near Hamburg (s bank Klamath River, between McKinney and Parkhouse Creeks) 609 Comment
  CAS-BOT-BC57804  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou Klamath National Forest, Big Flat Public Camp. W. side of Camp. 1524 Comment
  RSA86785  Eragrostis mexicana subsp. virescens L. C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River; Mt Diablo Mer; Siskiyou Mts. 671 Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  SEINET3894740  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd.; 0 Comment
  SJSU8729  Eriastrum wilcoxii G. R. Ostrander 1965-7-14 79 Siskiyou by Hwy 89, 10 mi E of McCloud 1036 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  UC455819  Ericameria bloomeri I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC299472  Ericameria nauseosa var. speciosa Gilbert J. Muth 1969-8-10 1347 Siskiyou Ridge west of Boulder Peak 2316 Comment
  CAS-BOT-BC294496  Erigeron bloomeri var. bloomeri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Summit of Marble Mt. Comment
  HSC75572  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 179 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  CAS-BOT-BC294897  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC19425  Erigeron cervinus J. O. Sawyer 1968-7-23 568 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA238777  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou On 'Shasta Ridge' where vernal snow melt waters flow over this face, SE of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  LA202507  Erigeron compositus Wm. Bridge Cooke; 1939-8-10 13670 Siskiyou Mount Shasta, along the W Bank of Mud Creek Canyon 2895 Comment
  SEINET516160  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou Dry Lake on the south side of Rennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC24898  Erigeron filifolius Richard Spjut 1970-7-24 869 Siskiyou 30mi N of Weed on Hwy. 97 1524 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  UC917219  Erigeron inornatus var. inornatus R. Tofsrud and J. M. Tucker 1948-8-2 1755 Siskiyou outskirts of McCloud Comment
  JEPS41523  Erigeron klamathensis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Comment
  SDSU3932  Erigeron lassenianus var. deficiens D. F. Howe 1965-8-8 4122 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  CAS-BOT-BC300096  Erigeron philadelphicus Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  UC1216708  Erigeron philadelphicus var. philadelphicus W. B. and V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs Mt. Shasta, McBride Springs 1524 Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  UCD99665  Eriogonum alpinum A. H. Murphy 1959-7-23 59 X Siskiyou Shasta National Forest. Between North and Middle fork of Sacramento River. 2286 Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  CAS-BOT-BC250067  Eriogonum compositum var. compositum E. K. Balls 1949-7-9 13932 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar 1005 Comment
  CAS-BOT-BC248843  Eriogonum compositum var. compositum Annie M. Alexander; Louise Kellogg 1949-7-29 5901 Siskiyou Trail to Hidden L. by way of Campbell L. trail, above Sky High Valley, Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CAS-BOT-BC246490  Eriogonum diclinum John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  UC1409242  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou due n Tobacco Lake (Medicine Mt.); Salmon Moutains, Marble Mountain Wilderness Area, The High L 1920 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  JEPS56173  Eriogonum luteolum var. luteolum W. L. Jepson 1907-7-22 2957 Siskiyou Miamber Trail from Scott Bar to Scott Valley 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
  UC725787  Eriogonum marifolium A. A. Heller 1939-7-31 15429 Siskiyou junction of the Horse Camp and Panther Meadow roads Mt. Shasta Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  UC912735  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou near Pilgim Creek nursery Comment
  UC1032176  Eriogonum microthecum var. laxiflorum M. H. Mitchell 1936-5-9 12 Siskiyou se slope of Schonchin Butte Modoc Lava Beds Natl. Monument, Dorris Quadrangle, Schonchin Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS95655  Eriogonum nudum var. nudum Vernon H. Oswald and L. Ahart 1999-7-5 9824 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  CAS-BOT-BC261676  Eriogonum nudum var. nudum Milo S. Baker 1926-7-17 63 -'26 Siskiyou Summit S. Fork Mt. 5 mi. N. of Highway Comment
  CAS-BOT-BC272485  Eriogonum nudum var. pubiflorum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC272493  Eriogonum nudum var. pubiflorum Lewis S. Rose 1945-6-19 45147 Siskiyou Horse Creek & Klamath River 502 Comment
  UC454351  Eriogonum nudum var. pubiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CDA22638  Eriogonum nudum var. pubiflorum J. R. Grisham 1958-6-13 Siskiyou Quartz Valley. 0 Comment
  UC726561  Eriogonum ovalifolium var. purpureum A. A. Heller 1938-7-13 15272 Siskiyou meadow about 1 mi s Bray 1402 Comment
  UC519883  Eriogonum pyrolifolium L. Ellison 1928-9-11 Siskiyou Mt. Shasta 2743 Comment
  RSA202123  Eriogonum pyrolifolium var. pyrolifolium C. F. Lagace 1966-8-24 s.n. Siskiyou Mount Shasta Ski Lodge. 2409 Comment
  RSA233648  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne, Fred Oettinger 1969-8-10 38984 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC67581  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3429 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
  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
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC262764  Eriogonum strictum var. anserinum Peter H. Raven 1956-9-4 10375 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  CAS-BOT-BC267940  Eriogonum umbellatum Gilbert Muth 1969-8-6 1184 Siskiyou Boulder Peak Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC725761  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Castle Lake Comment
  CAS-BOT-BC105078  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 931 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  CAS-BOT-BC267794  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  CAS-BOT-BC268147  Eriogonum umbellatum var. humistratum John Thomas Howell 1937-7-29 13631 Siskiyou Scott Mt. between Siskiyou and Trinity cos. Comment
  HSC43408  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-6-27 147 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  CAS-BOT-BC262373  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mile from Cecilville on way to Forks of Salmon 716 Comment
  HSC17387  Eriogonum vimineum R. C. Wunner 1965-7-9 362 Siskiyou California Lava Beds National Monument; 50 ft. on Black Crater Trail from jct. of Hardin Butte Trail 1341 Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  HSC41057  Eriophorum crinigerum J. O. Sawyer 1969-7-10 1041 Siskiyou Above Lipstick Lake 1829 Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA238942  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou Just N of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS34742  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou head of Long Gulch (near Yreka) Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  RSA165610  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1961-6-30 8000 Siskiyou Near White Mt. Comment
  HSC21490  Eryngium articulatum Doris K. Kildale 1925-9-7 1301 Siskiyou Klamath between Somes Bar and Happy Camp Comment
  UC117673  Erysimum capitatum Mrs. R. M. Austin June 1894 Siskiyou Willow Creek Valley Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC64096  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6457 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  CAS-BOT-BC55118  Erysimum perenne Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Skyhigh Lake. Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  SEINET14378928  Erythranthe W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Cabin Meadow. 1829 Comment
  SEINET14287547  Erythranthe guttata G. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  CAS-BOT-BC133263  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  POM266139  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  RSA184803  Erythronium grandiflorum subsp. grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC144488  Eschscholzia californica A. A. Heller 1905-6-9 8002 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
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  CAS-BOT-BC202762  Euonymus occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  UC17633  Euphorbia crenulata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA35316  Euphorbia crenulata T. C. Fuller 1966-5-31 14713 Siskiyou South bank of Greenhorn Creek, 2 miles west of Yreka. 0 Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  HSC72193  Euthamia occidentalis J. P. Smith 1976-9-5 8985 Siskiyou In Scott Valley 671 Comment
  CAS-BOT-BC418829  Fallopia japonica var. japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir Comment
  HSC39752  Festuca arundinacea J. O. Sawyer 1969-8-1 1617 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC39664  Festuca californica J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-4 5735 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  CAS-BOT-BC278879  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11744 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UCD66114  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC279069  Festuca rubra Peter H. Raven 1956-9-4 10400 Siskiyou South side of Mt. Eddy 2560 Comment
  CDA25856  Fragaria vesca T. C. Fuller 1958-6-18 1816 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC457568  Fragaria vesca subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11741 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC457572  Fragaria vesca subsp. californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  HSC101841  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13179 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  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-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC376592  Fraxinus dipetala Andrew Townesmith; Karen M. Meyer 2007-8-3 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  RSA576954  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  RSA261460  Fritillaria J. M. Tucker, L. K. Mann 1963-7-7 3721 Siskiyou Ca. 1/4 mile down the trail (north of) from the lake, Paradise Lake, at the base of Kings Castle on east side, Marble Mountain Wilderness Area 1982 Comment
  UC375207  Fritillaria atropurpurea Geo. D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  UC454407  Fritillaria atropurpurea I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Summit of Mount Bradley); Mount Bradley 1828 Comment
  CAS-BOT-BC502846  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  HSC46190  Fritillaria pudica Jennifer Whipple 1977-4-30 1882 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  UC1258445  Galium aparine Maralyn A. Renner 1980-7-23 1827 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UCD121734  Galium aparine J. M. Tucker 1950-7-23 1935 Siskiyou West of Mount Shasta High School, town of Mount Shasta. Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UC1094388  Galium bolanderi Rimo C. Bacigalupi with Galen Smith 1957-6-26 5962 Siskiyou w town of Mount Shasta (along road to Gumboot Lake, ca 4 mi sw of junction with the North Fork); South Fork of the Sacramento River 1432 Comment
  UC223987  Galium bolanderi Dr. Edward Palmer Jul 15 1892-Jul 27 1892 2498 Siskiyou Mount Shasta and vicinity Comment
  HSC36189  Galium bolanderi J. O. Sawyer 1969-6-11 819 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  JEPS16371  Galium glabrescens Peter H. Raven 1956-9-4 10399 Siskiyou s side Mount Eddy 2560 Comment
  UC1483410  Galium glabrescens subsp. glabrescens Maralyn A. Renner 1980-8-7 2419 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  UCD121771  Galium grayanum A. H. Murphy 1959-7-21 59 G Siskiyou Deadfall Lake area. Shasta National Forest. 2225 Comment
  HSC22198  Galium triflorum J. O. Sawyer 1968-6-18 245 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC68508  Garrya buxifolia Maralyn A. Renner 1980-6-10 876 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  CAS-BOT-BC182228  Garrya fremontii Doris K. Kildale 1927-11-20 4179 Siskiyou Fort Jones Comment
  CAS-BOT-BC182266  Garrya fremontii Carl B. Wolf 1927-8-27 1136 Siskiyou On the Klamath River, at mouth of Crawford Creek Comment
  CAS-BOT-BC182279  Garrya fremontii Doris K. Kildale 1928-7-4 5520 Siskiyou Summit of divide between Salmon River & Scott Valley on Sawyers Bar - Etna Mills road Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  SEINET3144595  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 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
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  UC1714622  Gayophytum diffusum subsp. parviflorum Milo S. Baker 126 Siskiyou near Medicine Lake; Payne's Springs Comment
  RSA120944A  Gayophytum diffusum subsp. parviflorum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA211350  Gayophytum heterozygum William J. Ferlatte 1966-8-18 413 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake Comment
  JEPS47042  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou McCloud River Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  UC741166  Gentiana plurisetosa C. C. and S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow Marble Mountain Primitive Area; Half Moon Meadow, Marble Mt. Primitive Area, Siskiyou Co. 1670 Comment
  CHSC62556  Gentianella amarella subsp. acuta L. P. Janeway 1993-8-30 4568 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  UC1001150  Gentianella amarella subsp. acuta Dorothy Parker 1952-7-26 34 Siskiyou Cabin Meadow Creek 1981 Comment
  HSC85691  Gentianella amarella subsp. acuta J. P. Smith 1980-8-24 10340 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  HSC91280  Gentianopsis simplex Jennifer Whipple 1976-9-4 1791 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  SEINET3151362  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  HSC86552  Geum macrophyllum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  SBBG30525  Geum macrophyllum var. perincisum D. Myrick 1968-6-27 2038 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  POM258025  Geum triflorum var. ciliatum C. Leo Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  JEPS69514  Gilia capitata subsp. capitata George D. Butler 1909-4-26 673 Siskiyou Oro Fino Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  CAS-BOT-BC282721  Glyceria elata Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  HSC73325  Glyceria elata Gail Newton 1980-6-20 485 Siskiyou Near Bald Mtn. 250 Comment
  JEPS84094  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC302671  Gnaphalium palustre Doris K. Kildale 1928-7-4 5535 Siskiyou 1 1/2 miles east of summit between Sawyers Bar & Etna Comment
  RSA237523  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  UC87889  Grindelia hirsutula T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  RSA190702  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou 20 acres of disturbed ground, W of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  SEINET3890709  Habenaria dilatata var. leucostachys W. J. Ferlatte 1966-1 Siskiyou Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  UCD119377  Hackelia californica R. Tofsrud; J. M. Tucker 1948-8-4 1783 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS80498  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  CLARK-A1528-5608  Haplopappus racemosus subsp. glomeratus John C. Roos 1948-9-1 3954 Siskiyou Fort Jones Comment
  HSC69219  Hastingsia alba Maralyn A. Renner 1980-8-31 2626 Siskiyou Twin Valley. 1494 Comment
  UC1282029  Hastingsia alba Louise Kellogg Aug 5 1953-Aug 7 1953 129 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC504599  Hastingsia alba Annie M. Alexander; Louise Kellogg 1949-7-23 5855 Siskiyou Start of trail to Bear lake, Paradise Lake, Marble Mountains 1920 Comment
  POM208384  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mountains; Mt. Diablo Meridian 1524 Comment
  HSC44998  Hastingsia serpentinicola J. P. Smith, Steve Selva 1970-7-17 4454 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  RSA183695  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Mountains, Marble Valley Comment
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306366  Helenium autumnale T. C. Fuller 1958-8-13 s.n. Siskiyou 10 mi S/Ft. Jones, Scott Valley Comment
  CAS-BOT-BC306735  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  SFV3966  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  JEPS35016  Helenium bigelovii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou stage road n Sisson; Region of the Upper Sacramento, Sisson Comment
  RSA183722  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley; Marble Mts. Comment
  UCR80231  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  HSC33987  Hemizonella minima J. P. Smith 1974-5-25 7489 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC48341  Hemizonella minima Maralyn O'Meara 1974-5-25 413 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  JEPS1674  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  RSA17429  Hesperochiron californicus Elmer I. Applegate 1939-6-14 5738 Siskiyou 5 miles north of Edgewood, Shasta Valley. Comment
  UCD20354  Hesperochiron pumilus Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  RSA238408  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Due N of Horse Range Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  CAS-BOT-BC311096  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna Comment
  JEPS94695  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  CAS-BOT-BC312301  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim 2072 Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC509283  Heuchera merriamii Dana York 2012-7-20 3119 Siskiyou Rogue River--Siskiyou National Forest, Siskiyou Mountains, ca 2.4 km WSW of Cook and Green Pass, moist slope above Echo Lake 1710 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  CAS-BOT-BC420934  Heuchera micrantha var. diversifolia H. E. Brown 1897-6-1 310 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC319696  Hieracium albiflorum Alice Eastwood 1921-7-28 10887 Siskiyou Medicine Lake Comment
  JEPS36578  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  UC165421  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  RSA215623  Hieracium greenei Gilbert Muth 1969-8-7 1268 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  HSC101868  Hieracium horridum R. D. Whittlesey 2013-6-5 6 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  CAS-BOT-BC316021  Hieracium scouleri P. A. Munz 1951-7-17 16602 Siskiyou Grasshopper Public Camp 2.5 mi. n.w. of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  CAS-BOT-BC316033  Hieracium scouleri A. A. Heller 1905-6-22 8088 Siskiyou Along the railroad near Igerna Comment
  CAS-BOT-BC320102  Hieracium triste Wm. Bridge Cooke 1938-9-8 11633 Siskiyou Mount Shasta. South Gate Springs. Around the upper ends of Panther and Squaw Creeks Comment
  RSA11810  Holodiscus discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  UC1281115  Holodiscus discolor H. E. McMinn 1931-6-27 2529 Siskiyou Klamath River, Clear Creek Clear Creek; Klamath River, Clear Creek Comment
  CAS-BOT-BC152362  Holodiscus discolor var. discolor Gilbert Muth 1965-8-3 s.n. Siskiyou Creek below Marble Valley Guard Station Comment
  SBBG21848  Holodiscus discolor var. glabrescens D. Myrick 1964-7-25 962 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  CAS-BOT-BC150137  Holodiscus microphyllus var. glabrescens 1902-9-7 s.n. Siskiyou Mt. Shasta - Horse Camp Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  CAS-BOT-BC388566  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 s.n. Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  SFV1210  Holosteum umbellatum D. Parker 1956-4-23 150 Siskiyou Scott Valley, Hartstrand Gulch. 1067 Comment
  CAS-BOT-BC289276  Hordeum brachyantherum subsp. brachyantherum L. N. Lorenzen No date on label. 32 Siskiyou Medicine Lake, Shasta forest 2072 Comment
  RSA715630  Hordeum murinum subsp. glaucum L. Ahart, John Dittes 2005-6-9 12000 Siskiyou 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 2.5 miles (air) east-southeast of Grenada. 775 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  POM266007  Horkelia daucifolia Lincoln Constance 1942-5-13 2913 Siskiyou Scott River 2 miles S of Scott Bar. 549 Comment
  POM88098  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Dry hill, Yreka. Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  RSA275399  Horkelia tridentata subsp. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 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
  CAS-BOT-BC539436  Horkelia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1797 Siskiyou Weed Comment
  CAS-BOT-BC201121  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS33847  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  HSC68015  Hypericum scouleri J. P. Smith, Steve Selva 1970-7-18 4495 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS5827  Idahoa scapigera J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  CAS-BOT-BC88627  Idahoa scapigera Peter H. Raven 1964-3-5 18763 Siskiyou Cultivated at Stanford, the seeds from Raven [coll. no.] 18397, at the Oreogn line on U.S. Highway 97. Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  UC725668  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou along US Highway 49, 10 miles northeast of Weed; Upper Sonoran Life Zone Comment
  POM213070  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SD46432  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  UC455676  Ipomopsis aggregata I. J. Condit 1911-7-15 Siskiyou McCloud; Toll Rd to Shasta Springs Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  UC1408886  Iris tenuissima F. W. Oettinger 1969-8-12 1332 Siskiyou near Yellow Dog Creek (w Siskiyou County); Salmon Mountains 914 Comment
  RSA150584  Iris tenuissima Lee W. Lenz 1961-6-21 24353 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  UC1174790  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou 1.25 mi above Salmon River junction with Klamath (along Salmon River); Salmon River 176 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UCD135770  Isoetes bolanderi Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Frying Pan Lake, east of Marble Mountain, Marble Mountains. 1783 Comment
  HSC34263  Isoetes occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7316 Siskiyou Around Cliff Lake 1860 Comment
  POM98234  Isopyrum stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Thickets in dry land near Yuka. Comment
  JEPS82464  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou ridge of Marble Mt.; Marble Mt. Wilderness Area 2804 Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  POM35450  Ivesia gordonii var. ursinorum E. B. Copeland 1903-8-18 3900 Siskiyou Mount Eddy. 2744 Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  CAS-BOT-BC109976  Juncus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  CAS-BOT-BC110021  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou On Highway 97 at Hebron Summit. Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  HSC77291  Juncus bolanderi L. P. Janeway 1982-6-30 31 Siskiyou E facing slope 300m N of West Branch Guard Station 671 Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS84032  Juncus drummondii L. R. Heckard with J. Hickman et al. 1986-7-17 6532 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA368327  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  UC637095  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 457 Comment
  HSC61119  Juncus ensifolius Ruby Van Deventer 1955-8-1 Siskiyou FS Rd. 17N04, Del Norte Bog near Doe Flat 915 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  UC1601865  Juncus ensifolius Miss Edmonds 1890-7-4 Siskiyou Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  LA20046  Juncus mertensianus F. J. Hermann; 1939-8-8 13818 Siskiyou Mount Shasta, around the upper Horse Camp Springs 2514 Comment
  JEPS74125  Juncus mexicanus Geo. D. Butler 1910-5-26 1409 Siskiyou Yreka Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  JEPS121619  Juncus nevadensis var. nevadensis Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  RSA238890  Juncus occidentalis Frederick W. Oettinger 1968-9-10 812 Siskiyou Just SW above Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  CHSC71610  Juncus orthophyllus Vernon H. Oswald; Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along roadside drainage. 1554 Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  CHSC98906  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9133 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. 1951 Comment
  HSC92705  Juncus parryi Jennifer Whipple 1978-10-6 2394 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  LA20128  Juncus parryi F. J. Hermann; 1938-8-21 11541 Siskiyou Mount Shasta, on the flats below Horse Camp Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  HSC101736  Juniperus communis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  RSA17905  Juniperus communis var. montana Doris K. Kildale 1929-8-23 8787 Siskiyou Bear Wallow, 2 miles north Sanger Peak 1372 Comment
  HSC4853  Juniperus communis var. saxatilis J. O. Sawyer 1968-7-9 405 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC81232  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA571790  Juniperus occidentalis var. occidentalis L. C. Wheeler 1934-6-9 2663 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
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Sep 25 2014
  RSA352529  Juniperus occidentalis var. occidentalis B. C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  HSC71257  Keckiella corymbosa J. P. Smith, Steve Selva 1970-6-15 3925 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SD76172  Kelloggia galioides Helen V. Witham 1969-10-6 558 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 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
  CDA3148  Kochia trichophylla Don Shaw 1971-9-19 Siskiyou South of Yreka 0 Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument 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
  CAS-BOT-BC340369  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. At Wagon Camp Comment
  CAS-BOT-BC340418  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  CAS-BOT-BC340437  Lactuca saligna Doris K. Kildale 1925-9-6 1284 Siskiyou Somes Bar, near junction of Salmon & Klamath River Comment
  CAS-BOT-BC341692  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC341701  Lagophylla ramosissima Louis C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River, Siskiyou Mts. 563 Comment
  UCR52609  Lathyrus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  JEPS100876 Image available Lathyrus brownii Dean W. Taylor 1997-6-11 16043 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UC398681  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou near w base Mount Shasta (about the base of Black Butte); , Black Butte Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC88860  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station. 975 Comment
  UCR101153  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon & Marble Mtns. region, Crawford Creek, c. 0.5 mi. upstream from Guard Station Comment
  CDA36788  Lepidium campestre D. B. Joley 1976-5-13 11 Siskiyou Lake Siskiyou. 0 Comment
  HSC27473  Lepidium campestre J. P. Smith, J. O. Sawyer 1972-5-28 5362 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  JEPS117568  Lepidium latifolium Lowell Ahart, John Dittes 2010-7-30 16966 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA603115  Lepidium montanum var. canescens L. C. Wheeler 1935-6-30 3639 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  HSC59843  Lepidium pinnatifidum Clark L. Miller 1979-4-28 1107 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC637134  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou e of mouth of Walker Creek (a tributary of the Klamath River, e end o Seiad Valley); Seiad Valley, Klamath River 441 Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  HSC752  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC58258  Leucothoe davisiae W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak. Salmon Mts. 2133 Comment
  HSC4438  Lewisia cotyledon William J. Ferlatte 1967-7-26 744 Siskiyou Caribou Basin 1982 Comment
  UC164414  Lewisia cotyledon var. heckneri Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
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Jun 6 2012
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  RSA215601  Lewisia leeana Gilbert Muth 1969-8-10 1338 Siskiyou Ridge W of Boulder Peak. 2409 Comment
  RSA120738  Lewisia nevadensis S. S. Tillett 1956-7-9 637 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  RSA601899  Lewisia nevadensis L. C. Wheeler 1935-7-23 3682 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  RSA47807  Lewisia rediviva Roxana S. Ferris, Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  HSC45147  Lewisia triphylla J. O. Sawyer, E. Cope 1977-6-20 2961 Siskiyou Behind Devil's Punchbowl 1829 Comment
  HSC40983  Lewisia triphylla J. O. Sawyer 1975-7-16 2698 Siskiyou Along trail to Little Duck Lake, 1/2 mi. E of Lake 1829 Comment
  RSA602819  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  UCD65622  Leymus triticoides Geo. D. Butler 1908-7-3 472 Siskiyou Dry banks near Yreka. Comment
  SEINET10531252  Libocedrus decurrens Edwin B. Copel 1903-8-13 Copeland 3913 Siskiyou Sisson. On Big Spring Creek. 3500 feet. 1050 Comment
  HSC22238  Ligusticum californicum J. O. Sawyer 1969-8-5 1749 Siskiyou W of Little Duck Lake 2073 Comment
  HSC66256  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-5 1494 Siskiyou Doe Flat 1220 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  HSC62308  Lilium pardalinum subsp. wigginsii Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  RSA211346  Lilium washingtonianum William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine. 1982 Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  CAS-BOT-BC133102  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 186 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  JEPS107441  Linanthus bolanderi Lowell Ahart, John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC52821  Linanthus ciliatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  SD98972  Linanthus pungens Darley F. Howe 1977-7-5 5002 Siskiyou 15 mi. SE of Granada 4000 Comment
  RSA139035  Linaria dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Rd. Comment
  UCD123898  Linaria dalmatica subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Road. Comment
  CAS-BOT-BC240385  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  HSC30489  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Stream crossing of N Fork River enroute to Abbott's Upper Cabin, Salmon Mtns. 1357 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  SJSU6060  Linum lewisii R. W. Trivelpiece 1971-6-16 32 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  UC61186  Listera convallarioides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Sisson Mount Shasta Comment
  RSA382548  Listera convallarioides Louis C. Wheeler 1934-6-18 2727 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  POM267244  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-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  CAS-BOT-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC64841  Lithophragma parviflorum J. P. Smith 1973-5-5 6531 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UC196916  Lolium multiflorum Geo. D. Butler 1909-6-7 827 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC269145  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou At Abrams Lake, near the town of Mt. Shasta Comment
  HSC76735  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-15 243 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  POM78347  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou In thickets, dry hills near Yreka. Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  UC1527502  Lomatium engelmannii Thomas Nelson and Jane Nelson 1979-5-26 4712 Siskiyou ca.3 mi N of Scott Mountain summit (along State Route 3, at jct of Frorest Service Rd. 40N03) Comment
  POM82364  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou Dry hill, Yreka. Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA78821  Lomatium macrocarpum P. A. Munz 1952-7-2 17899 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  OBI8857  Lomatium peckianum Lincoln Constance, Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi S of Yreka 792 Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  UC164429  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain 1219 Comment
  JEPS74560  Lonicera conjugialis W. J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UC28758  Lonicera conjugialis Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
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Jun 7 2008
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  RSA45326  Lonicera interrupta Dorothy Parker 1947-6-21 198 Siskiyou North slope of Gazelle Mt. Comment
  RSA715637  Lotus denticulatus L. Ahart 2005-6-9 12008 Siskiyou 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 2.5 miles (air) ESE of Grenada. 775 Comment
  JEPS101139  Lotus nevadensis var. nevadensis Dean W. Taylor 1996-6-20 15720 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  UC80949  Lotus nevadensis var. nevadensis Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  CDA27281  Lotus nevadensis var. nevadensis T. C. Fuller 1960-6-29 4642 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  JEPS55721  Lotus oblongifolius var. oblongifolius W. L. Jepson 1894-1 13791 Siskiyou Sisson Comment
  JEPS91408  Lotus oblongifolius var. oblongifolius Dean W. Taylor 1972-7-3 1582 Siskiyou Cook and Green Pass 1371 Comment
  CHSC99999  Luetkea pectinata L. P. Janeway 2008-7-25 9497 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. Steep north-northeast sloping bowl of rocky soil and small outcrops; mostly open in somewhat stabilized area with partial shade. 1834 Comment
  HSC83924  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA215614  Luetkea pectinata Gilbert Muth 1969-8-10 1330 Siskiyou Ridge W of Boulder Peak. 2348 Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  CAS-BOT-BC8288  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou above Shasta Springs Comment
  UC157016  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou foothills Goosenest; Goosenest foothills Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  RSA211165  Lupinus albicaulis var. shastensis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  SEINET10488384  Lupinus albifrons Donald E. Bright 1962-6-13 Bright 287 Siskiyou Rocky outcrop along klamath river, at junction of thompson creek, 20 miles n of Happy camp Comment
  CAS-BOT-BC195962  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-18 45074 Siskiyou Horse Creek & Klamath River 502 Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  POM11083  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  SEINET10484548  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 366 Siskiyou At the junction of shasta and klamath rivers on hwy 263 Comment
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  SEINET10871207  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 336 Siskiyou Decomposed volcanic soil on hornbrook to montague raod, about 1 mile se of Hornbrook Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. Comment
  CAS-BOT-BC196355  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  HSC43859  Lupinus bicolor Maralyn O'Meara 1974-5-25 369 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  HSC472  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  RSA414461  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  HSC81548  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-21 6155 Siskiyou Along F.S. Rd. 40N08, .25 mi. from jct. with State Route 3. 1646 Comment
  RSA249715  Lupinus croceus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi. SW of Weed, n ear Kangaroo Lake Campground. Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  JEPS64895  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  UC157009  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  CAS-BOT-BC202056  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Highway 99, 3.2 miles south of Gazelle or 4.2 miles north of its junction with Old Stage Road 888 Comment
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  SJSU6475  Lupinus lepidus var. sellulus R. W. Trivelpiece 1972-6-9 102 Siskiyou c. 4 mi W E of Grass L 1524 Comment
  SBBG3658  Lupinus leucophyllus H. and M. Dearing 1939-6-30 3751 Siskiyou near Etna 1219 Comment
  JEPS65317  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River near Yreka; Klamath River near Yreka Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC15983  Lupinus obtusilobus W. H. Brewer 1862-9-13 1387 Siskiyou Mount Shasta 2438 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  RSA11943  Lupinus sellulus subsp. sellulus Elmer I. Applegate 1929-6-18 5739 Siskiyou [Unspecified] Comment
  RSA50219  Lupinus sellulus subsp. sellulus E. K. Balls 1949-7-8 13926 Siskiyou 1 mile east of Etna (Callahan to Etna Road). 854 Comment
  SEINET10490236  Lupinus sellulus subsp. ursinus Worley 1985-6-1 WORLEY 89 Siskiyou Shast-trinity national forest, scott mtn. 1829 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  SEINET3881818  Luzula campestris Rimo C. Bacigalupi, Mr. Van Deventer; Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat.; 0 622 Comment
  CAS-BOT-BC436698  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  RSA605980  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  UC1025122  Luzula divaricata Douglas Barbe 1955-8-1 326 Siskiyou summit Mount Bolivar (Scott Mountains); Klamath Mountains, , Mt. Bolivar 2468 Comment
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Mar 6 2013
  RSA238897  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA29686  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  HSC74814  Lycopus americanus J. P. Smith 1978-7-1 9994 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  RSA605516  Lysichiton americanus L. C. Wheeler 1959-7-25 7592 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC90703  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  CAS-BOT-BC344013  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou Mouth of Doggett Creek, Klamath River Comment
  CAS-BOT-BC343996  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  RSA240067  Madia elegans subsp. elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones [east-northeast of the Marble Mountains Wilderness Area] Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC61073  Madia exigua W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  CAS-BOT-BC343430  Madia gracilis Alice Eastwood 1912-7-17 1148 Siskiyou Sisson Comment
  CAS-BOT-BC343425  Madia gracilis L. E. Smith 1915-6-15 s.n. Siskiyou Sisson Comment
  POM362186  Madia gracilis subsp. gracilis L. C. Wheeler 1934-9-5 3247 Siskiyou South side Sterling Mountain, Siskiyou Mountains 1982 Comment
  RSA211521  Madia gracilis subsp. gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  RSA605520  Mahonia aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Salmon and Marble Mountains Region: Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  HSC18912  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-2 381 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC36714  Maianthemum racemosum subsp. amplexicaule Brent Whiteley 1975-6-29 110 Siskiyou 976 Comment
  POM109347  Maianthemum racemosum subsp. amplexicaule Geo D. Butler 1910-6-19 1587 Siskiyou Goosenest Mountain 1524 Comment
  RSA605351  Maianthemum stellatum Louis C. Wheeler 1959-7-25 7605 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC1132220  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou 1 mi sw Signal Butte 1341 Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  UC333647  Melica bulbosa unknown 1889-6-28 Siskiyou Edgewood Comment
  UCD86422  Melica californica A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3411 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  POM114782  Melica fugax Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  UC197193  Melica fugax Geo. D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UC1265410  Melica subulata F. W. Oettinger 1969-8-16 1394 Siskiyou near English Lake (sw of Wiregrass Meadow); Salmon Mtns 1676 Comment
  UCD88595  Melica subulata Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat. 1536 Comment
  CDA30915  Melilotus albus M. Beyers, G. F. Hrusa 2010-8-18 704 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  SEINET516323  Mentha arvensis Vernon H. Oswald 1998-9-16 9635 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CHSC30253  Menyanthes trifoliata M. S. Taylor; Roderick Williams, B. Williams 1980-6-23 2945 Siskiyou Aquatic in Cedar Lake, 11 mi sw of Mt. Shasta City. 1737 Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC322664  Microseris laciniata Alice Eastwood 1912-7-17 1153 Siskiyou Sisson Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  HSC68001  Microseris nutans J. P. Smith, Steve Selva 1970-6-16 4006 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC69704  Microseris nutans Maralyn A. Renner 1980-6-26 1262 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA17746  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
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Dec 17 2015
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  POM35783  Microseris nutans Geo D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek. Comment
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  HSC60801  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC76976  Microsteris gracilis K. T. Stillman 1976-6-25 43 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  POM65022  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  UC1409383  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou vicinity English Peak (English Lake, main camp site); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC61898  Mimulus breweri Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS3799  Mimulus inodorus George D. Butler 1908-8-24 448 Siskiyou Eldridge's Corral Russian Creek 1219 Comment
  JEPS19674  Mimulus layneae Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5929 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S. P. Shasta Route)) 1188 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  UC1190118  Mimulus moniliformis Ira L. Wiggins 1955-7-27 13550 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA447997  Mimulus moschatus M. B. Dunkle 1944-7-1 9061 Siskiyou Smoky Crk., Siskiyou Natl' Forest. Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  UC718166  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi from Mt. Shasta City (on Wagon Camp Road, sw slope of mt.); Mt. Shasta 1219 Comment
  JEPS32001  Mimulus nanus var. nanus W. B. and V. G. Cooke 1963-7-10 34263 Siskiyou n side Mt. Shasta (Bolam Road) Comment
  UC1023727  Mimulus primuloides Francis W. Pennell 1940-7-20 26202 Siskiyou w Bartle (Route 89) 1158 Comment
  UC445168  Mimulus primuloides Milo S. Baker Aug. 1897 142 Siskiyou Payne's Springs Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  POM5108  Mimulus primuloides var. linearifolius E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy. 2287 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  POM101318  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka. Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  CHSC31053  Minuartia nuttallii subsp. gregaria M. S. Taylor 1980-7-8 3092 Siskiyou On s side of 40N43, ca. 3 mi w of 40N26 at w end of Lake Siskiyou. 1432 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  POM266000  Mirabilis greenei Lincoln Constance, Reed Rollins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  UCD125280  Monardella odoratissima R. Tofsrud; J. M. Tucker 1948-8-2 1757 Siskiyou Cemetary about 2 miles south of McCloud. Comment
  UC2035811  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi from Horse Creek Bridge. 1524 Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  HSC466  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-3 286 Siskiyou Josephine Lake basin. 1677 Comment
  SEINET11263741  Monardella sheltonii Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 696 Siskiyou Along Forest Road 26 to Lake Siskiyou outside of Mt Shasta City.; 0 1270 Comment
  CAS-BOT-BC220231  Monardella sheltonii Carl B. Wolf 1927-8-26 1078 Siskiyou On the Klamath River near Hamburg Comment
  HSC27667  Monardella sheltonii Carl W. Mize 1972-6-21 58 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  UC75187  Monardella villosa subsp. villosa Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  JEPS43326  Montia linearis J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC637038  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou 4 mi n of Happy Camp (Indian Creek, Klamath National Forest); Klamath National Forest, Indian Creek 411 Comment
  RSA239105  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-24 1521 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1625408  Muhlenbergia filiformis F. W. Oettinger 1968-8-22 592 Siskiyou on ridge between Diamond Lake and English Peak; Salmon Mountains 2194 Comment
  HSC102705  Muhlenbergia richardsonis J. P. Smith 2013-6-17 13738 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  RSA45312  Myosotis scorpioides Dorothy Parker 1946-6-6 3 Siskiyou (Etna) Scott Valley. 897 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  POM65067  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  JEPS93883  Navarretia intertexta subsp. intertexta Vernon H. Oswald and Lowell Ahart 1998-7-21 9334 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 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
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  RSA181897  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Rd, 30.1 miles from Klamath Highway. (western Siskiyou Co.) Comment
  RSA183715  Nothochelone nemorosa Gilbert Muth 1965-7-30 139 Siskiyou Marble Mts. Marble Valley. At edge of forest. Comment
  RSA420385  Nothochelone nemorosa M. B. Dunkle 1945-7-22 9235 Siskiyou Marble Mts., Klamath National Forest. Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  UCD138859  Olsynium douglasii var. douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99. 762 Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC91957  Orobanche fasciculata Jennifer Whipple 1976-7-13 1457 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  HSC19208  Orthilia secunda J. O. Sawyer 1968-9-28 748 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC44587  Orthilia secunda Laura Witherspoon 1977-7-8 Siskiyou Periphery of Flint Valley 1341 Comment
  UC1408765  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou North of English Peak on way down to Upper English Lake. 1950 Comment
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  RSA50200  Orthocarpus cuspidatus subsp. copelandii E. K. Balls 1949-7-8 13904 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1677 Comment
  UCSB17684  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-1 Siskiyou Siskiyou Mtns. Comment
  POM43391  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Foothills. 1524 Comment
  POM43117  Orthocarpus lacerus Geo. D. Butler 1910-5-26 1407 Siskiyou Yreka. Comment
  CAS-BOT-BC266626  Orthocarpus pachystachyus L. E. Smith 1913-5-18 267 Siskiyou Gazelle Comment
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  JEPS30369  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou 8.3 mi n Weed (U.S. Highway 97) Comment
  CAS-BOT-BC317128  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1934-4-20 1782 Siskiyou near Gazelle Comment
  UC1234786  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97 8.3 mi n Weed Comment
  CAS-BOT-BC253764  Panicum capillare Carl B. Wolf 1927-8-26 992 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175605  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  POM112088  Pascopyrum smithii Geo D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  CAS-BOT-BC202860  Paxistima myrsinites Doris K. Kildale 1928-8-18 6448 Siskiyou Head of north fork Salmon River at Finley's Upper Camp Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  RSA12672  Paxistima myrsinites C. B. Wolf 1934-7-6 6023 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 3 2012
  UC1608338  Paxistima myrsinites J. Kierstead 1990-5-8 90 -61 Siskiyou McCloud Ranger District, Lower Falls of McCloud River Shasta-Trinity Nat'l Forests, McCloud Ranger District 975 Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  UC164118  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  RSA68897  Pedicularis attollens A. E. Culbertson 1943-7-12 60 Siskiyou 0.25 mile below Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  CAS-BOT-BC266649  Pedicularis bracteosa var. flavida Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mountains Comment
  CAS-BOT-BC266651  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1948-9-9 5612 Siskiyou Siskiyou Mountains. Trail to Taylor Lake Comment
  CAS-BOT-BC266672  Pedicularis howellii Lillian Mott 1976-7-4 39 LM76 Siskiyou Lily Pad Lake ca 3 miles W of Cook and Green Pass 2011 Comment
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Feb 22 2021
  HSC77927  Pedicularis howellii L. P. Janeway 1983-8-6 514 Siskiyou 100 m SW of Poker Flat near trail to Twin Valley/Kelly Lake 1524 Comment
  HSC72409  Pedicularis racemosa J. P. Smith, Steve Selva 1970-7-27 4513 Siskiyou Gumboot Lake 1768 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  CAS-BOT-BC67678  Pellaea brachyptera Lincoln Constance; Reed C. Rollins 1942-5-14 2933 Siskiyou Klamath - Siskiyou Region - Shasta River 6 miles north of Yreka. 762 Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  POM281761  Pellaea breweri Geo D. Butler 1908-8-8 240 Siskiyou Marble Valley. Comment
  OBI80247  Penstemon David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS24965  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou summit of Takilma-Happy Camp Road Siskiyou Mts., summit Takilma-Happy Camp Road 1676 Comment
  RSA331964  Penstemon anguineus Walter Wisura, Dave Kelly 1985-7-30 4073 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  SEINET7073531  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
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Jul 13 2018
  JEPS6267  Penstemon cinicola H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC265365  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  UC618698  Penstemon davidsonii var. davidsonii W. Bridge Cooke 1938-8-18 11493 Siskiyou Horse Camp slopes Mount Shasta 2438 Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS13733  Penstemon deustus B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt. (Salmon Mt.); , nw of Etna Mt. Comment
  CHSC69095  Penstemon deustus var. pedicellatus Vernon Oswald 1997-7-28 8775 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  SBBG25896  Penstemon gracilentus D. Myrick 1966-8-12 1538 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  UC1483538  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-19 3675 Siskiyou near F.S. Road 45N05 in center of section; Klamath National Forest, Medicine Lake Quad. 2017 Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  POM188149  Penstemon gracilentus Marcus E. Jones 1931-7-17 28827 Siskiyou Shasta City (Session's). Comment
  RSA17740  Penstemon humilis var. humilis Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument 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
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  POM252934  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 Siskiyou Along HS Hwy 97, 16 miles northeast of Weed. Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  HSC91153  Penstemon newberryi subsp. berryi Jennifer Whipple 1977-7-22 2042 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Creek drainage 2348 Comment
  SEINET10547626  Penstemon newberryi subsp. newberryi Mary Merello 1993-6-22 Merello 692 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  RSA238828  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou East of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  UC138851  Penstemon newberryi var. newberryi Dr. E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828 Comment
  CHSC1881  Penstemon parvulus E. G. Copeland 1939-7-17 Siskiyou Mt. Eddy. 2133 Comment
  HSC60466  Penstemon parvulus Carl Wishner 1978-7-19 550 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  HSC61153  Penstemon procerus var. brachyanthus Al Hobart Siskiyou El Capitan Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  JEPS82505  Penstemon rupicola Todd Keeler-Wolf 1983-8-14 728 Siskiyou 1/4 mi S of Terrace lake 2087 Comment
  JEPS11509  Penstemon speciosus Milo S. Baker Aug. 1897 150 Siskiyou Top of Medicine Lake Mts. Comment
  NY661065  Penstemon speciosus W. B. Cooke 1940-6-7 15102 Siskiyou Along the Pacific Highway near Black Butte 4000 Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  UC887340  Penstemon speciosus Alice Eastwood 1912-7-17 1205 Siskiyou Sisson Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  RSA176492  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka. Comment
  UC27591  Penstemon speciosus Miss Edmonds May, 1893 Siskiyou Comment
  RSA0000738  Perideridia leptocarpa Lincoln Constance, T. Chuang, F. M. Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi. NW of Cecilville on west-facing slope above Trinity R. 762 Comment
  JEPS121603  Perideridia parishii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC17494  Persicaria amphibia R. C. Wunner 1965-8-24 478 Siskiyou Lava Beds NM, Capt. Jacks Stronghold Entrance 1220 Comment
  CAS-BOT-BC413738  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  RSA184649  Phacelia hastata subsp. hastata Clare B. Hardham 1965-8-20 13014 Siskiyou Cudahy Lakes Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA715801  Phacelia heterophylla subsp. virgata L. Ahart, John Dittes 2005-6-9 12026 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. 775 Comment
  UCD77222  Phacelia heterophylla subsp. virgata Robert E. Preston 2001-6-23 1625 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  RSA120909  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou Just south of Weed. 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
  JEPS94264  Phacelia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9182 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
  CHSC70138  Phacelia mutabilis Jennifer Whipple 1976-7-8 1350 Siskiyou Mount Eddy, Klamath Mountains. Dry slopes and meadows southwest of Dobkins Lake along the drainage into the lake. 2225 Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC86535  Phacelia mutabilis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  HSC29259  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Salmon Mtns., just below Tom Taylor Cabin Spring 2043 Comment
  RSA238770  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 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
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  SEINET12280335  Phacelia racemosa Unknown 1879-1 Siskiyou near Shasta Mountain Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC77418  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5055 Siskiyou Near Sawyers Bar Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  UC415566  Philadelphus lewisii H. E. Brown Jul 1 1897-Jul 5 1897 562 Siskiyou Mt. Shasta; s side 1524 Comment
  UCR222480  Philadelphus lewisii R. F. Thorne 1969-8-2 63398 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  SEINET10657527  Phleum alpinum Louis C. Wheeler 1935-7-26 Wheeler 3713 Siskiyou Siskiyou Mts. Wet sunny meadow Jaynes Canyon, S 12 T, T 47 N, R 10 W. Mt. Diablo Mer. 1951 Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  RSA233661  Phlox douglasii subsp. rigida R. F. Thorne, Frederick W. Oettinger 1969-8-10 3900 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  RSA123785  Phlox hoodii subsp. canescens G. D. Barbe 1955-7-6 117 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC45154  Phlox speciosa subsp. nitida J. O. Sawyer, E. Cope 1977-6-19 2952 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  POM94716  Phoenicaulis cheiranthoides Geo. D. Butler 1296 Siskiyou Dry hills near Yreka. Comment
  CAS-BOT-BC250993  Phragmites australis Louis C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley 4 miles E Grenada 868 Comment
  CAS-BOT-BC56489  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, on ridge between Salmon and New Rivers, at extreme head of West Fork of Knownothing Creek 1889 Comment
  CHSC96441  Phyllodoce empetriformis Gordon Leppig; T. LaBanca, L. Arguello 1997-6-27 496 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS84213  Phyllodoce empetriformis L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6418 Siskiyou 5 mi n of the town of Seiad Valley (e slope of Kangaroo Mountain, at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC60778  Physaria occidentalis Lincoln Constance; Herbert L. Mason; J. F. Davidson; J. M. Tucker 1947-5-17 3199 Siskiyou Summit of northwest spur of Scott Mountain. 1828 Comment
  HSC77123  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC64869  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-19 331 Siskiyou Along the Pacific Crest Trail, near top of Pass below Mount Eddy. 2440 Comment
  UC61680  Physocarpus capitatus Geo. B. Grant September 1902 5182 Siskiyou Dunsmuir; Mt Shasta 609 Comment
  CAS-BOT-BC140602  Physocarpus capitatus Doris K. Kildale 1929-7-20 8551 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  UC1313049  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou ca. 7 mi (airline) e of Saywer's Bar (on e facing slope above a wet boggy meadow, Blake's Fork of South Russian Creek (a tributary of Salmon River)); Salmon Mountains, South Russian Creek, Blake's Fork 1615 Comment
  UC1045296  Pinus albicaulis W. B. Cooke 1940-8-8 15454 Siskiyou on the ridge e Horse Camp; Mount Shasta 2590 Comment
  CAS-BOT-BC78324  Pinus attenuata L. E. Smith 1913-6-12 365 Siskiyou Sisson Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  HSC26021  Pinus contorta var. murrayana R. J. Mastrogiuseppe 1971-10-23 Siskiyou Ridge between Sugar Creek and Duck Lake Creek draianages 2195 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  CAS-BOT-BC78925  Pinus monticola Elmer I. Applegate 1935-6-11 s.n. Siskiyou East Base of Cinder Cone, Lava Beds National Monument 1524 Comment
  RSA624392  Pinus ponderosa L. C. Wheeler 1952-9-17 6936 Siskiyou Unspecified. Comment
  CHSC2354  Piperia unalascensis 1936-6-26 Siskiyou Mt. Shasta City. 1097 Comment
  UC130660  Piperia unalascensis H. M. Hall 1909-7-1 8678 Siskiyou Salmon River Salmon Mountains 1645 Comment
  RSA184715  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  JEPS77495  Plagiobothrys bracteatus Susan Horner 1978-6-30 403 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  RSA80219  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  POM72151  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou Yreka Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 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
  RSA233680  Platanthera leucostachys Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38962 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  RSA238571  Pleuricospora fimbriolata Frederick W. Oettinger 1969-7-29 1107 Siskiyou Just N. of Uncles' Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  CHSC22881  Poa bulbosa Robert A. Schlising 1963-6-6 2610 Siskiyou Northern part of County; SW of Hilt, along Beaver Creek Road, near crossing of Beaver Creek. Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  CHSC61586  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of a meadow. 1524 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  RSA186325  Poa pringlei Gilbert Muth 1966-10-16 12 Siskiyou Marble Mountains 1793 Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  POM228868  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD90329  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3449 Siskiyou 25 miles N of Happy Camp. Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UC1265426  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou at bnase of precipice at Abbotts Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1798 Comment
  UC144644  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou Montague Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  CAS-BOT-BC232873  Polemonium carneum Thos. Howell 1888-5-1 s.n. Siskiyou Hornbrook Comment
  HSC45816  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  RSA275400  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC170344  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 miles north of Dunsmuir 1005 Comment
  SEINET1004842  Polygala cornuta var. cornuta Marion Ownbey 1940-1 2164 Siskiyou 7 miles northwest of McCloud. Comment
  RSA237748  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Slope dropping down to upper English Lake near trail 'Y' to English Peak. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC618739  Polygonum davisiae W. Bridge Cooke 1938-7-21 11289 Siskiyou between Horse Camp and Panther Creek Meadows; Mount Shasta Comment
  UC164402  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  RSA237761  Polygonum kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Along trail just NW of falls, Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 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
  UCR66535  Polygonum minimum L. C. Wheeler 1934-8-13 3115 Siskiyou Johnson Dairy 1829 Comment
  SEINET3399369 Image available Polygonum minimum Joseph P. Tracy 1935-8-7 14618 Siskiyou Devil's Canyon Mts, at head of White Creek Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  UC1408824  Polygonum phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co.) 1889 Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  RSA466384  Polygonum ramosissimum Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  UCD100907  Polygonum shastense R. Tofsrud; J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  CAS-BOT-BC421068  Polygonum spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  CAS-BOT-BC421072  Polygonum spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  POM145045  Polygonum spergulariiforme E. B. Copeland 1903-8-18 3906 Siskiyou Mt. Eddy. 2134 Comment
  RSA18970  Polygonum spergulariiforme J. T. Howell 1937-7-21 13159 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  HSC41044  Polystichum imbricans J. O. Sawyer 1970-3-4 2063 Siskiyou N of Idlewild Campground 762 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC1483404  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 683 Siskiyou se of Wards Gap; Klamath Nat'l Forest, Condry Mt. Quadrangle 1188 Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC150386  Polystichum lemmonii Dr. E. B. Copeland 1903-8-18 3814 Siskiyou Mt. Eddy 1676 Comment
  UC334281  Polystichum lemmonii unknown 1878-7-12 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  CAS-BOT-BC72376  Polystichum lemmonii Geo. D. Butler 1908-8-5 238 Siskiyou below Cold Spring, West Fork of Woolly Creek Comment
  HSC79144  Polystichum lemmonii C. J. Thomas 1983-10-1 81 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  RSA259549  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  UCSB17940  Polystichum lemmonii Hardham, Clare 1961-7-3 Siskiyou S of Calahan, Scott Mountains. Comment
  RSA237507  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou On SE corner of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC61124  Polystichum munitum Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC102960  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  UC642551  Populus trichocarpa W. Bridge Cooke 1939-8-10 13855 Siskiyou Mount Shasta , Devastated Area (occur in the upper portion of Mud Creek Canyon becoming more abundant as creek reaches the Devastated Area) Comment
  RSA105419  Potamogeton foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 miles southeast of Etna on the Eastside Road. 915 Comment
  CAS-BOT-BC453681  Potamogeton gramineus John Thomas Howell 1939-8-9 15195 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC143180  Potentilla breweri Harley P. Chandler 1901-6-1 1697 Siskiyou Near Marble Mountain 1524 Comment
  POM366599  Potentilla breweri var. breweri M. B. Dunkle 1945-1 9302 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC538030 Image available Potentilla cristae David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
  HSC18937  Potentilla flabellifolia J. O. Sawyer 1969-6-13 1070 Siskiyou W of Little Duck Lake 2043 Comment
  JEPS60718  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Mountain Valley Camp 1676 Comment
  RSA211185  Potentilla fruticosa William J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail. 1829 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  UC574873  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  UCD119035  Primula suffrutescens Joseph M. DiTomaso 1975-9-10 321 Siskiyou Just below Sawtooth Pass on Caribou Lake side. 2286 Comment
  RSA60529  Prunella vulgaris var. lanceolata John H. Thomas 1949-6-16 950 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
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158239  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Back of Sisson on the Mt. Shasta trail 1371 Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS44943  Prunus emarginata W. L. Jepson 1894-8-9 13835 Siskiyou Shasta Springs Comment
  JEPS44954  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain, near summit Salmon Mountain Comment
  SBBG15938  Prunus emarginata D. Myrick 1961-6-21 311 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station on Klamath River 19 mi W of Hwy 99 1981 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  HSC67479  Pseudognaphalium stramineum J. P. Smith, Steve Selva 1970-6-15 3903 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC27788  Pseudognaphalium thermale J. P. Smith, J. O. Sawyer 1972-9-13 5785 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  HSC75250  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-27 4512 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  NY63884  Pseudotsuga menziesii var. menziesii D. B. Dunn 1973-6-3 20650 Siskiyou Vicinity of the campground on the Salmon River, 8.3 miles west of Cecilville Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  SEINET10795293 Image available Pseudotsuga taxifolia J. H. Sissons 1879-9-24 Sissons s.n. Siskiyou Comment
  UC42931  Pteridium aquilinum var. pubescens Marshall A. Howe 1894-8-8 Siskiyou Shasta Soda Springs Comment
  UC71481  Pteridium aquilinum var. pubescens W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mt. Shasta Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  CAS-BOT-BC460857  Pyrola aphylla David D. Keck 1938-8-6 4805 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC465506  Pyrola asarifolia A. A. Heller 1921-6-28 13559 Siskiyou At the State Teachers College near Mt. Shasta Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC18920  Pyrola minor J. O. Sawyer 1969-7-23 1187 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC1190175  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  UC166593  Pyrola picta Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  JEPS84286  Quercus L. R. Heckard with R. Raiche, S. Winchester 1986-7-17 6486 Siskiyou e of Cook and Green Pass (ridge w of summit of Copper Butte) 1767 Comment
  CAS-BOT-BC68601  Quercus chrysolepis A. A. Heller 1921-6-25 13555 Siskiyou about the base of Black Butte near Mt. Shasta Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  POM106357  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River. Comment
  UC637062  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  UCD83687  Quercus sadleriana J. M. Tucker 1963-8-20 3788 Siskiyou Marble Mountain Wilderness Area, trail from Marble Valley Guard Station to Lover's Camp, along Canyon Creek, ca. 2 mi up the canyon from Lover's Camp. 1432 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  SEINET12034999  Quercus sadleriana M. Ownbey, Meyer, F. G. 1940-1 2230 Siskiyou near summit of Siskiyou Mts, 20 mi N of Happy Camp Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104639  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  HSC19224  Quercus vacciniifolia J. O. Sawyer 1968-9-9 658 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA237819  Quercus vacciniifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1252 Siskiyou Southwest-facing slope of lower Toms Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1090393  Quercus vacciniifolia Milo S. Baker 1957-6-16 13144 Siskiyou trip to Scott Mt. North Coast Ranges 1219 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
  JEPS90106  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  RSA638899  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  UC375271  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-7-4 361 Siskiyou Shasta River; near mouth Comment
  HSC62284  Ranunculus orthorhynchus Al Hobart 1971-7-14 Siskiyou Youngs Valley 1220 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  SEINET13946380 Image available Rhamnus obtusissima A. A. Heller 1920-1 13525 Siskiyou near Black Butte north of Sisson, elev 3550 ft 1082 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  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
  POM136602  Rhamnus rubra H. M. Hall, E. B. Babcock 1903-06 s.n. Siskiyou Head of McCloud River Comment
  HSC30573  Rhododendron columbianum Frederick W. Oettinger 1968-8-2 349 Siskiyou Marble Mountain Wilderness, S of Diamond Lake 2073 Comment
  SFV2668  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  CAS-BOT-BC92530  Ribes binominatum Doris K. Kildale 1928-8-18 6459 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC92542  Ribes binominatum A. A. Heller 1920-7-9 13430 Siskiyou Sope of Mount Eddy. 2438 Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  RSA237679  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1167541  Ribes binominatum C. R. Quick 1936-8-18 Siskiyou near Oregon State Line (margins of Poker Flat, near summit of Siskiyou Mountains); Klamath National Forest Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC77492  Ribes lacustre L. P. Janeway 1983-6-26 344 Siskiyou Along FS Rd. 18N33 towards Poker Flat, 9 mi. from Grayback Rd. 1433 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  RSA0021104  Ribes lacustre Louis C. Wheeler 1934-6-14 2713 Siskiyou Arrrastre Creek off Hungry Creek, Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC173393  Ribes lobbii David D. Keck 1938-8-6 4814 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 1555 Comment
  HSC24242  Ribes lobbii J. O. Sawyer 1968-6-18 213 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA0021150  Ribes lobbii J. T. Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC212484  Ribes marshallii Harry R. Saxton; Roy H. Canfield 1922-9-2 38882 Siskiyou Head of Bridge Creek, Klamath Forest 1524 Comment
  RSA459485  Ribes marshallii M. B. Dunkle 1944-7-18 9152 Siskiyou Siskiyou National Forest. 1890 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  HSC100867  Ribes montigenum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13063 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  SEINET13942695 Image available Ribes nevadaense Alice Eastwood 2012-1 1324 Siskiyou Cantara Comment
  CAS-BOT-BC217877  Ribes nevadense Roxana S. Ferris; Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek Crossing on Scott Mountain Road S of Callahan 1493 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  UC165382  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug road Comment
  RSA0024603  Ribes roezlii var. cruentum Christopher Davidson 1975-6-5 2685 Siskiyou 0.8 miles N of Scott Mountain Summit on Highway 3. 1585 Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC33961  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC68315  Ribes sanguineum Maralyn A. Renner 1980-6-26 1235 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC61944  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  CHSC75693  Rorippa curvisiliqua Vernon H. Oswald; Lowell Ahart 1999-7-5 9805 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. 1188 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC29495  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Marble Mtn. Wilderness Area, Wire grass meadow near English Lake 1799 Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  UC375396  Rosa pisocarpa Geo. D. Butler 1908-8-5 279 Siskiyou camp below Cold Spring; Woolly Creek 1524 Comment
  CAS-BOT-BC147053  Rosa pisocarpa L. E. Detling 1950-6-11 6631 Siskiyou Siskiyou Pass Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  UC1871379  Rosa pisocarpa subsp. pisocarpa Barbara Ertter 2006-7-30 18744 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, ca 2 mi N of intersection of Little Shasta Road, roadside meadow (same meadow system as 18742, but larger and wetter site). 1584 Comment
  CAS-BOT-BC148188  Rosa rubiginosa Geo. D. Butler 1910-5-29 1427 Siskiyou Dry land near Yreka Comment
  HSC43137  Rosa rubiginosa Ken Stillman 1976-8-24 414 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  UC861594  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts, Bear Creek off West Fork Beaver Creek 1767 Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC1409363  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou nnw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  CAS-BOT-BC157169  Rubus ursinus Alice Eastwood 1912-7-17 1186 Siskiyou Sisson Comment
  HSC27982  Rubus ursinus Carl W. Mize 1972-9-24 130 Siskiyou Along trail from Camp 3 732 Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  POM366453  Rubus vitifolius M. B. Dunkle 1944-6-25 9027 Siskiyou Siskiyou National Forest. 1677 Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  CAS-BOT-BC422222  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SJSU15092  Rumex fueginus C. W. Sharsmith 1992-9-17 9244 Siskiyou Stateline Rd, Klamath Wildlife Refuge, Lower Klamath L 1225 Comment
  UC1072719  Rumex salicifolius var. salicifolius Douglas Barbe 1955-6-29 49 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC91337  Salix eastwoodiae Jennifer Whipple 1978-10-6 2436 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA238026  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1173604  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14396 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC922325  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1949-7-21 5828 Siskiyou Paradise Lake; Marble Mts. 1920 Comment
  SBBG28796  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC164393  Salix lasiandra subsp. lasiandra Geo. D. Butler 1909-4-20 1077 Siskiyou along creek near Yreka (opposite <Mc__ys> old dam) Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125479  Salix lasiandra var. lasiandra L. E. Smith 1914-4-26 646 Siskiyou Near Dunsmuir Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  JEPS77667  Salix lasiandra var. lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou near S. Fork Salmon River Big Flat (banks of river below campground); Trinity Alps 1508 Comment
  LA208779  Salix lasiolepis Louis C. Wheeler; 1934-12-16 3363 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SJSU215  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou 300 km below Dobbins L, N side Mt Eddy c. 21 km NW of Shasta City 1645 Comment
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  POM107036  Salix lucida subsp. lasiandra Geo. D. Butler 1910-3-29 1149 Siskiyou Yreka Creek. Comment
  RSA238010  Salix lucida subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou W of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125682  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4457 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  UC144197  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou near Sisson Sisson Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126171  Salix scouleriana John Thomas Howell 1939-8-5 15081 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  UC375234  Salix scouleriana Geo. D. Butler 1909-9-20 1104 Siskiyou along creek near Yreka Comment
  UCR142839  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City, Wagon Creek Canyon c. 1 km up from Metcalf ranch house 1170 Comment
  HSC92120  Salix sitchensis Jennifer Whipple 1978-10-6 2418 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1173611  Salix sitchensis Joseph P. Tracy 1935-8-1 14399 Siskiyou borders of Rock Lake (on ridge between Salmon and New Rivers, at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek, Rock Lake 1889 Comment
  CAS-BOT-BC175655  Salsola tragus Wm. Bridge Cooke 1941-9-5 16257 Siskiyou Along the Memorial Highway, Mt. Shasta Comment
  HSC14352  Salvia dorrii var. incana R. C. Wunner 1965-7-9 357 Siskiyou Lava Beds National Monument, Black Crater Trail, 25 yds. from Hardin Butte trail jct. Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  RSA105379  Sambucus caerulea G. D. Barbe 1955-7-5 96 Siskiyou 5.7 miles south of Etna on French Creek Road 884 Comment
  UC1539995  Sambucus mexicana M. Mitchell 1936-5-19 35 Siskiyou Lava Beds National Monument 1371 Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  CAS-BOT-BC238891  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1938-6-24 11087 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC287  Sambucus racemosa var. racemosa William J. Ferlatte 1967-8-22 1080 Siskiyou Caribou Basin. 1982 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  JEPS25630  Sanicula graveolens Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7268 Siskiyou Poker Flat 1536 Comment
  HSC61602  Sanicula graveolens Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  HSC26222  Sanicula tuberosa J. P. Smith, J. O. Sawyer 1972-5-27 5347 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  OBI8760  Sanicula tuberosa Tracey Call, Viola Call 1964-6-26 2296 Siskiyou Scott Mt. campground. 1676 Comment
  RSA269281  Saussurea americana T. C. Fuller, D. H. Shaw 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, SW slope of White Mountain, Siskiyou Mountains. Comment
  JEPS24028  Saxifraga ferruginea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6891 Siskiyou Poker Flat; Siskiyou Mountains, Poker Flat 1536 Comment
  RSA29832  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson s Dairy. (Mt. Diablo Mer.) 1707 Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  JEPS47635  Saxifraga oregana Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  CAS-BOT-BC445882  Saxifragopsis fragarioides C. G. Pringle 1883-9-1 s.n. Siskiyou Unspecified. Comment
  CAS-BOT-BC283650  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CHSC91389  Schoenoplectus americanus Lowell Ahart; John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC111095  Scirpus microcarpus C. F. Baker 1903-8-14 3722 Siskiyou Sisson Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  SEINET3160652  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  CHSC14081  Scrophularia desertorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Blue Grotto Cave, Lava Bed Natol. Monument. 1456 Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC659  Scutellaria antirrhinoides William J. Ferlatte 1967-7-8 674 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UCD13291  Scutellaria siphocampyloides W. C. Overton Jr. 1977-6-26 s.n. Siskiyou Siskiyou CO. Scott Bar Mountains, beside Ridge Road, 3.15 miles from junction with Hawkinsville Road, northwest of Yreka. Elevation ca. 4750 feet. Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  CHSC118117  Sedum kiersteadiae Jane Van Susteren 2011-7-30 2 Siskiyou Off trail between Heart Lake and Castle Lake below Little Castle; UTM zone 10, 4563809 east, 5688775 north (NAD 83). 1813 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC77356  Sedum lanceolatum var. lanceolatum L. P. Janeway 1982-6-27 28 Siskiyou SE side of Elk Creek 701 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  HSC100079  Sedum oblanceolatum G. L. Clifton, Griswold 1979-6-28 6139 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC83321  Sedum oblanceolatum J. M. O'Hare-Wade, S. Darington, S. B. Hogan, H. de Looze 1987-5-30 1 Siskiyou Along road from Cook and Green Pass to the Applegate River 1500 Comment
  JEPS19782  Sedum obtusatum subsp. boreale Rimo Bacigalupi with S. Galen Smith 1957-6-26 5942 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town (serpentine slopes in the canyon of the South Fork Sacramento River between White Ridge and Scott Camp Ridge); canyon South Fork Sacramento River, White Ridge, Scott Camp 1219 Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  HSC4764  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-8-19 455 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  HSC90579  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-2 1254 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  CAS-BOT-BC503091  Sedum oregonense Doris K. Kildale 1929-7-20 8585 Siskiyou Southeast spur, Preston Peak 1950 Comment
  CAS-BOT-BC94958  Sedum oregonense R. C. Wenk 2005-7-15 214 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  CDA25381  Sedum spathulifolium D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  UC91665  Senecio hydrophilus H. E. Brown July 1897 606 Siskiyou Mt. Shasta 2133 Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  SBBG8762  Senecio integerrimus H. and M. Dearing 1938-6-28 2187 Siskiyou Mt Shasta 1828 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
  UC166186  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  SEINET11803191  Senecio integerrimus var. major H. P. Chandler 1901-1 1606 Siskiyou near Marble Mountain, North Coast Ranges 1981 Comment
  HSC58875  Senecio triangularis Marvin Butler 1971-7-12 111 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  HSC60778  Senecio triangularis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  HSC62000  Senecio triangularis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC69084  Senecio triangularis Maralyn A. Renner 1980-8-4 2217 Siskiyou Flint Valley 1390 Comment
  POM255759  Senecio triangularis Marion Ownbey, Ruth Ownbey 1938-7-20 1759 Siskiyou 1 mile NW of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  UC129421  Senecio triangularis Harley P. Chandler June 1901 1717 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1524 Comment
  UC34193  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  OBI53729  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-19 23468 Siskiyou Klamath NF. 1.4 mi NE of Salmon Mtn Summit on Sawyers Bar rd, SW of Etna Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  OBI55438  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-20 23497 Siskiyou Klamath NF, SW of Fort Jones. Along forest rd 44N45, 8 mi S of Scott river Rd, 2.6 mi S of turnoff to Lover's Camp Comment
  HSC61977  Sibbaldia procumbens Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  CAS-BOT-BC213140  Sidalcea A. A. Heller 1938-7-13 15268 Siskiyou About a mile south of Bray. 1402 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  JEPS105035  Sidalcea glaucescens Dean W. Taylor 1996-7-7 15823 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  SD62050  Sidalcea malviflora subsp. asprella DarleyF. Howe 1965-8-8 4126 Siskiyou Saddle, south of Little Gray Back. 1402 Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  UC609326  Sidalcea setosa Eleanor Burks Hart 1938-8-18 911 Siskiyou above Big Meadow; above Big Meadow 2194 Comment
  JEPS84224  Silene bernardina L. R. Heckard with J. Hickman et al. 1986-7-17 6499 Siskiyou ca 14.5 mi from Hwy 96 Walker (near Dry Lake, Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  HSC44703  Silene campanulata subsp. glandulosa J. O. Sawyer, E. Cope 1977-6-18 2901 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 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
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CDA40561  Silene conoidea Jodi Aceves 2014-5-21 PDR# 470 P06027635 Siskiyou 0 Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  RSA17733  Silene douglasii Elmer I. Applegate 1935-6-8 9415 Siskiyou Indian Well; Lava Beds National Monument. Comment
  CHSC69076  Silene douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  RSA165436  Silene grayi Clare B. Hardham 1961-6-30 8010 Siskiyou Near White Mt. Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  CDA3457  Silene latifolia subsp. alba L. Witherspoon, F. D. Horn 1978-8-21 Siskiyou Highway 97 South, Butte Valley, Mt. Hebron. 0 Comment
  CAS-BOT-BC389429  Silene lemmonii Alice Eastwood 1923-5-18 11850 Siskiyou Shasta Springs Comment
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA610007  Silene parryi L. C. Wheeler 1935-6-27 3602 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  POM213958  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mt Shasta. 1220 Comment
  UC3906  Smilax californica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  UC54246  Smilax californica H. M. Hall and E. B. Babcock June, 1903 4045 Siskiyou near Sisson; Mount Shasta, 18th Crossing 1036 Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  RSA237903  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  JEPS107961  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
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  JEPS83867  Solanum umbelliferum Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (s side of pass); Siskiyou Mountains 1463 Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 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 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. 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-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC339855  Solidago multiradiata C. F. Baker 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  SEINET5709652 Image available Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7697 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UCD136123  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -a 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
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  RSA96708  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-13 20289 Siskiyou Indian Creek Rd to Obrien. At summit of pass. 21 miles NW of Hwy 96 at Happy Camp. 1555 Comment
  SBBG27223  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mtns 1828 Comment
  CAS-BOT-BC390719  Spergularia rubra Doris K. Kildale 1928-7-25 5882 Siskiyou Klamath River - Macks Creek near Hamburg 457 Comment
  RSA0097344  Spergularia rubra Frederick W. Oettinger 1969-8-31 1569 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1753 Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 Comment
  SDSU9260  Spiraea densiflora D. F. Howe 1977-7-1 4973 Siskiyou Mountain Creek on Scott River Road. 1463 Comment
  UC70411  Spiraea densiflora Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (above Warren and Anderson's Mill, e slope of Mt. Shasta) Comment
  CAS-BOT-BC149681  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC149690  Spiraea douglasii Alice Eastwood 1921-7-24 10717 Siskiyou Castle Lake 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
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC63614  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1994-8-10 6461 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC26908  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1971-9-17 4774 Siskiyou Little Duck Lake outlet Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC642569  Stellaria calycantha unknown 1939-7-27 13746 Siskiyou above Panther Creek Meadows (w boreal spring); Mount Shasta Comment
  CAS-BOT-BC391222  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake 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
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  HSC30477  Stephanomeria virgata Frederick W. Oettinger 1969-8-10 1330 Siskiyou At Ft. Jones Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC92557  Stipa occidentalis var. occidentalis Jennifer Whipple 1977-7-20 2004 Siskiyou Mt. Eddy, N slopes 2317 Comment
  CAS-BOT-BC87841  Streptanthus tortuosus Alice Eastwood 1921-7-29 10961 Siskiyou Little Mount Hoffman. Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  UC1190144  Streptanthus tortuosus Ira L. Wiggins 1955-6-27 13523 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC956608  Streptanthus tortuosus Freed W. Hoffman 1948-7-9 2287 Siskiyou along road to O'Brien from Happy Camp 4.5 mi n West Branch Forest Camp (3.8 mi s of Siskiyou Mountains summit); North Coast Ranges Comment
  CHSC557  Streptanthus tortuosus var. orbiculatus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC62006  Streptopus amplexifolius Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC516431  Streptopus amplexifolius Doris K. Kildale 1929-7-21 8734 Siskiyou Elk Lick, south Fork Indian Creek Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka Comment
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 Comment
  RSA238534  Symphoricarpos hesperius Frederick W. Oettinger 1968-8-6 542 Siskiyou East side of Little Medicine Mt. due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC478989  Symphoricarpos mollis Marcus E. Jones, A. M. 1931-7-17 29034 Siskiyou Shasta City; Session's Comment
  CAS-BOT-BC97892  Symphyotrichum eatonii Alice Eastwood 1921-7-24 10735 Siskiyou Castle Lake Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  UC135391 Image available Symphyotrichum spathulatum Dr. E. B. Copeland 1903-9-7 Siskiyou Mt. Eddy 2743 Comment
  UC1222979  Symphyotrichum spathulatum Joseph P. Tracy 1949-9-16 18572 Siskiyou on rd between Callahan and Trinity Center Callahan (at the top on the n side of Scott Mtn); Scott Mountain 1615 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CHSC88391  Taraxia tanacetifolia Jenny Marr 1993-7-1 150 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1482562  Tauschia howellii Laurie Andrews 1981-6-10 15 Siskiyou at the top of the ridge by Crapo Peak (English Peak meadows, Marble Mtn Wilderness Area, Salmon River District); Marble Mtn Wilderness Area, Sawyers Bar Quad., Salmon River 2194 Comment
  CAS-BOT-BC85238  Taxus brevifolia Doris K. Kildale 1928-4-2 4403 Siskiyou Klamath River at Somes Bar Comment
  JEPS117554  Tetradymia canescens Lowell Ahart, John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  UC1282005  Thelypodium brachycarpum Louise Kellogg Aug 5 1953-Aug 7 1953 99 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  UC144226  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
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Jan 14 2009
  UC1222603  Thermopsis macrophylla var. macrophylla Joseph P. Tracy 1950-7-20 19213 Siskiyou on road to Prospect Hill 5 mi se Flint Valley Comment
  RSA697268  Thlaspi arvense D. 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). 1159 Comment
  UC165985  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino; fields Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  JEPS62174  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1907-7-10 2879 Siskiyou Cottage Grove, Crescent City Trail at Onion Patch western Siskiyou Co. Comment
  UC682095  Tolmiea diplomenziesii G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3264 Siskiyou 0.75 mi n Happy Camp (on edge of Indian Creek); Indian Creek 335 Comment
  UCD102966  Tolmiea diplomenziesii G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  HSC72467  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC30688  Torreyochloa erecta Frederick W. Oettinger 1969-9-1 1582 Siskiyou Marble Mtns. Wilderness Area, between Bear Meadow and English Peak. 2027 Comment
  HSC42953  Torreyochloa pallida var. pauciflora J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC27946  Toxicodendron diversilobum Carl W. Mize 1972-9-23 112 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  CHSC91246  Tragopogon dubius Lowell Ahart; John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC377095  Tragopogon dubius Roxana S. Ferris; Laura Lorraine 1948-6-12 11723 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC6293  Tragopogon dubius R. C. Wunner 1965-7-9 359 Siskiyou California Lava Beds National Monument; Crescent Butte. 0.1 mi. on road to Mammoth Crater from junction of road headquarters 1448 Comment
  HSC18875  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-22 528 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC44996  Triantha occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  CDA40990  Trichostema lanceolatum F. D. Horn 1977-10-4 s.n. Siskiyou Bogus Area east of Hornbrook. 0 Comment
  SBBG25930  Trichostema oblongum D. Myrick 1966-8-8 1476 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UCD117589  Trientalis latifolia James P. Smith 1973-5-5 6401 Siskiyou in and around the O'Neill Campground near Seiad Valley. 487 Comment
  JEPS75368  Trifolium cyathiferum Geo. D. Butler 1909-6-20 919 Siskiyou near Yreka (McNutty's field) Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  UC555455  Trifolium eriocephalum var. eriocephalum H. L. Mason 1931-5-9 5868 Siskiyou 5 mi n Yreka Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  CAS-BOT-BC219047  Trifolium howellii L. R. Short 1933-8-6 22 Siskiyou Klamath National Forest 1767 Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  JEPS65928  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC1  Trifolium longipes William J. Ferlatte 1966-6-23 130 Siskiyou Yellow Rose Mine 1982 Comment
  CHSC38996  Trifolium longipes subsp. hansenii J. D. Jokerst 1983-7-5 1830 Siskiyou Atkin's Meadow, northern 1/2, ca 15 air miles east of McCloud. Comment
  JEPS84258  Trifolium longipes var. shastense L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6319 Siskiyou Ca 7 mi NNE of Seiad Valley, W of Cook and Green Pass, ca 1/2 air mile from Red Butte, eastern slopes of butte. 1750 Comment
  RSA11936  Trifolium longipes var. shastense Elmer I. Applegate 1923-8-20 39069 Siskiyou Medicine Lake Comment
  JEPS65972  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  POM28041  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain. 1829 Comment
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  JEPS74422  Trifolium wormskioldii W. J. Ferlatte 1966-8-2 228 Siskiyou Big Flat hillside Trinity Alps (betw campground and Sout Fork Salmon River) Comment
  UC867040  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  HSC30709  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Marble Mtn. Wilderness Area, near hairpin turn of Music Creek logging road along Statue Creek 1732 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  HSC77003  Trillium ovatum subsp. oettingeri K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA211419  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  POM207158  Trisetum spicatum E. B. Copeland 1903-8-16 3895 Siskiyou Mt. Shasta 2439 Comment
  HSC76956  Trisetum spicatum K. T. Stillman 1976-9-9 477 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC133492  Triteleia crocea D. E. Breedlove 1962-6-10 3301 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  SBBG15525  Triteleia ixioides var. anilina D. Myrick 1961-7-22 320 Siskiyou St Hwy 89 near McCloud 914 Comment
  JEPS48254  Tsuga mertensiana W. L. Jepson 1907-7-5 2820 Siskiyou Marble Mt. Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  CAS-BOT-BC91273  Umbellularia californica Berta B. Kessel 1959-10-24 s.n. Siskiyou Pick-a-wish Forest Camp, about 8 miles south of Happy Camp. Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UCD122054  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070702 Siskiyou in Lower Cliff Lake. 1747 Comment
  RSA238872  Vaccinium Frederick W. Oettinger 1969-07 11 Siskiyou A short ways up the trail from Hancock Lake to Daimond Lake before Base Camp Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  HSC18866  Vaccinium cespitosum J. O. Sawyer 1968-7-23 589 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC19105  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1614 Siskiyou Horseshoe Lake 2073 Comment
  HSC19514  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1697 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC19529  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1627 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC96882  Vaccinium cespitosum Gordon Leppig 1998-7-10 912 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  JEPS58715  Vaccinium cespitosum Harley P. Chandler Jun 1901 1578 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS776  Vaccinium cespitosum Harley P. Chandler Jun 1901 1578 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC22198  Vaccinium deliciosum Harley P. Chandler June 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges; near Marble Mt., Siskiyou Co. 2133 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC199235  Vaccinium membranaceum Harley P. Chandler 1901-6-1 1577 Siskiyou Near Marble Mountain 2133 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  RSA238839  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  HSC68457  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1442 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  CAS-BOT-BC199482  Vaccinium scoparium Doris K. Kildale 1928-8-19 6552 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC31490  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou W end of Little Duck Lake Comment
  RSA761683  Vaccinium scoparium R. F. Thorne, Frederick W. Oettinger 1969-8-4 63373 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CHSC1995  Valeriana californica V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  JEPS9213  Valeriana californica W. L. Jepson Jul 17 1902-Jul 22 1902 2074 Siskiyou Salmon Summit, Western Siskiyou 2286 Comment
  CHSC95123  Valeriana sitchensis subsp. sitchensis L. P. Janeway 2006-7-2 8750 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC29287  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Pine Lake 1860 Comment
  HSC102655  Ventenata dubia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC529108  Veratrum californicum John Thomas Howell 1939-8-10 15284 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment
  RSA237882  Veratrum viride Frederick W. Oettinger 1969-9-4 1647 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET3889182  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains; on moist slope just above Little Marble Valley.; 0 1890 Comment
  UC1174940  Veratrum viride P. C. Everett and E. K. Balls 1959-10-23 23940 Siskiyou 4 mi sw from Etna (on road from Callaban to Somesbar); Salmon Mountains 1676 Comment
  UC1409321  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou near Tom Tyler Cabin (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  SEINET6221076  Verbascum blattaria A. D. Youngberg 1964-1 21 Siskiyou Happy Camp Airport. R7E T16N sec 10, Humbolt Meridian. Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  HSC66250  Veronica copelandii Maralyn A. Renner 1980-8-21 2589 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  RSA238792  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-7-29 1103 Siskiyou Shore of Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCR208050  Veronica triphyllos L. C. Wheeler 1935-4-18 3433 Siskiyou Yreka 823 Comment
  CAS-BOT-BC238173  Veronica wormskjoldii Alice Eastwood 1921-7-28 10917 Siskiyou Medicine Lake Comment
  UC917285  Veronica wormskjoldii R. Tofsrud and J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, s slope of Mount Shasta Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment